Initial commit
authorlpcamargo <lucaspcamargo@gmail.com>
Sun, 10 May 2015 11:58:19 +0000 (14:58 +0300)
committerlpcamargo <lucaspcamargo@gmail.com>
Sun, 10 May 2015 11:58:19 +0000 (14:58 +0300)
34 files changed:
src/nSoundBag.cpp [new file with mode: 0644]
src/nSoundBag.h [new file with mode: 0644]
src/nSoundBuffer.cpp [new file with mode: 0644]
src/nSoundBuffer.h [new file with mode: 0644]
src/nSoundEffectParameters.cpp [new file with mode: 0644]
src/nSoundEffectParameters.h [new file with mode: 0644]
src/nSoundFormat.h [new file with mode: 0644]
src/nSoundListener.cpp [new file with mode: 0644]
src/nSoundListener.h [new file with mode: 0644]
src/nSoundScriptMetatypes.cpp [new file with mode: 0644]
src/nSoundScriptMetatypes.h [new file with mode: 0644]
src/nSoundSource.cpp [new file with mode: 0644]
src/nSoundSource.h [new file with mode: 0644]
src/nSoundSourceRole.h [new file with mode: 0644]
src/nSoundStream.cpp [new file with mode: 0644]
src/nSoundStream.h [new file with mode: 0644]
src/nSoundStreamer.cpp [new file with mode: 0644]
src/nSoundStreamer.h [new file with mode: 0644]
src/nSoundStreamerPlaylist.cpp [new file with mode: 0644]
src/nSoundStreamerPlaylist.h [new file with mode: 0644]
src/nSoundSystem.cpp [new file with mode: 0644]
src/nSoundSystem.h [new file with mode: 0644]
src/qt/qtaudiostream.cpp [new file with mode: 0644]
src/qt/qtaudiostream.h [new file with mode: 0644]
src/sndfile/nSndfileStream.cpp [new file with mode: 0644]
src/sndfile/nSndfileStream.h [new file with mode: 0644]
src/stb_vorbis/nvorbisstream.cpp [new file with mode: 0644]
src/stb_vorbis/nvorbisstream.h [new file with mode: 0644]
src/stb_vorbis/stb_vorbis.c [new file with mode: 0644]
src/util/efx-util.h [new file with mode: 0644]
src/util/nEfxHelper.cpp [new file with mode: 0644]
src/util/nEfxHelper.h [new file with mode: 0644]
src/wav/nwavestream.cpp [new file with mode: 0644]
src/wav/nwavestream.h [new file with mode: 0644]

diff --git a/src/nSoundBag.cpp b/src/nSoundBag.cpp
new file mode 100644 (file)
index 0000000..52e6ade
--- /dev/null
@@ -0,0 +1,18 @@
+#include "nSoundBag.h"
+#include <cstdio>
+#include <cstdlib>
+
+nSoundBag::nSoundBag(nSoundFormat format, quint64 frames, int freq, QObject * parent):
+    QObject(parent)
+{
+    m_frames = frames;
+    m_data_size = nSoundFormat_getFramesize(format)*frames;
+    m_data = new unsigned char[m_data_size];
+    m_frequency = freq;
+    m_format = format;
+}
+
+nSoundBag::~nSoundBag()
+{
+    delete[] m_data;
+}
diff --git a/src/nSoundBag.h b/src/nSoundBag.h
new file mode 100644 (file)
index 0000000..dd5e46e
--- /dev/null
@@ -0,0 +1,30 @@
+#ifndef NSOUNDBAG_H
+#define NSOUNDBAG_H
+
+#include <QObject>
+#include "nSoundFormat.h"
+
+
+class nSoundBag : public QObject
+{
+    Q_OBJECT
+    Q_ENUMS(nSoundFormat)
+public:
+    nSoundBag(nSoundFormat format, quint64 frames, int frequency, QObject * parent = 0);
+    virtual ~nSoundBag();
+
+    quint64 m_frames;
+    uchar * m_data;
+    quint64 m_data_size;
+    int m_frequency;
+    nSoundFormat m_format;
+
+signals:
+
+public slots:
+
+private:
+
+};
+
+#endif // NSOUNDBAG_H
diff --git a/src/nSoundBuffer.cpp b/src/nSoundBuffer.cpp
new file mode 100644 (file)
index 0000000..f2300e1
--- /dev/null
@@ -0,0 +1,70 @@
+#include "nSoundBuffer.h"
+#include "nSoundSystem.h"
+#include "nSoundBag.h"
+#include "nSoundStream.h"
+#include "AL/al.h"
+
+nSoundBuffer::nSoundBuffer(QString name, nSoundSystem * parent) :
+    QObject(parent)
+{
+    setObjectName(name);
+
+    alGetError(); //reset error state
+
+    unsigned int hnd;
+    alGenBuffers(1, &hnd);
+    m_handle = hnd;
+
+    ALenum error = alGetError();
+    if(error!=AL_NO_ERROR)
+    {
+        throw QString("nSoundBuffer: alGenBuffers() failed.");
+    }
+}
+
+nSoundBuffer::~nSoundBuffer()
+{
+    alGetError();
+
+    alDeleteBuffers(1, &m_handle);    
+
+    if(alGetError()!=AL_NO_ERROR)
+        throw QString("nSoundBuffer::~nSoundBuffer(): Error destroying openal buffer.");
+}
+
+void nSoundBuffer::setData(nSoundBag * bag)
+{
+    alGetError();
+
+    alBufferData(m_handle, openalFormat(bag->m_format), bag->m_data, bag->m_data_size, bag->m_frequency);
+
+    if(alGetError()!=AL_NO_ERROR)
+        throw QString("nSoundBuffer::setData(): Error loading buffer data.");
+}
+
+void nSoundBuffer::setData(nSoundStream * stream)
+{
+    nSoundBag * tmp = stream->createSoundBag();
+    setData(tmp);
+    delete tmp;
+}
+
+int nSoundBuffer::openalFormat(nSoundFormat format)
+{
+    switch(format)
+    {
+    case SF_8BIT_MONO:
+        return AL_FORMAT_MONO8;
+
+    case SF_8BIT_STEREO:
+        return AL_FORMAT_STEREO8;
+
+    case SF_16BIT_MONO:
+        return AL_FORMAT_MONO16;
+
+    case SF_16BIT_STEREO:
+        return AL_FORMAT_STEREO16;
+    }
+
+    return -1;
+}
diff --git a/src/nSoundBuffer.h b/src/nSoundBuffer.h
new file mode 100644 (file)
index 0000000..67537eb
--- /dev/null
@@ -0,0 +1,34 @@
+#ifndef NSOUNDBUFFER_H
+#define NSOUNDBUFFER_H
+
+#include <QObject>
+#include "nSoundFormat.h"
+
+class nSoundSystem;
+class nSoundBag;
+class nSoundStream;
+
+class nSoundBuffer : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(unsigned int openalHandle READ openalHandle)
+public:
+    explicit nSoundBuffer(QString name, nSoundSystem * parent);
+    virtual ~nSoundBuffer();
+
+    unsigned int openalHandle(){return m_handle;}
+
+    void setData(nSoundBag * bag);
+    void setData(nSoundStream * stream);
+
+    int openalFormat(nSoundFormat format);
+
+signals:
+
+public slots:
+
+private:
+    unsigned int m_handle;
+};
+
+#endif // NSOUNDBUFFER_H
diff --git a/src/nSoundEffectParameters.cpp b/src/nSoundEffectParameters.cpp
new file mode 100644 (file)
index 0000000..690b409
--- /dev/null
@@ -0,0 +1,35 @@
+#include "nSoundEffectParameters.h"
+#include "AL/al.h"
+#include "util/nEfxHelper.h"
+
+
+nSoundEffectParameters::nSoundEffectParameters(QObject * parent)
+    : QObject(parent)
+{
+
+}
+
+nSoundEffectType nSoundEffectParameters::type()
+{
+    return m_type;
+}
+
+void nSoundEffectParameters::setType(nSoundEffectType type)
+{
+    m_type=type;
+}
+
+QVariant nSoundEffectParameters::parameter(QString name)
+{
+    return m_parameters.value(name);
+}
+
+void nSoundEffectParameters::setParameter(QString name, QVariant param)
+{
+
+}
+
+void nSoundEffectParameters::clearParameters()
+{
+    m_parameters.clear();
+}
diff --git a/src/nSoundEffectParameters.h b/src/nSoundEffectParameters.h
new file mode 100644 (file)
index 0000000..bc13933
--- /dev/null
@@ -0,0 +1,46 @@
+#ifndef NSOUNDEFFECTPARAMETERS_H
+#define NSOUNDEFFECTPARAMETERS_H
+
+#include <QObject>
+#include <QVariantMap>
+
+enum nSoundEffectType
+{
+    SET_NONE,
+    SET_REVERB,
+    SET_HIGHPASS,
+    SET_EAXREVERB,
+    SET_CHORUS,
+    SET_ECHO,
+    SET_FLANGER,
+    SET_AUTOWAH,
+    SET_COMPRESSOR,
+    SET_UNDEFINED
+};
+
+quint32 nSoundEffectType_toOpenalType();
+
+class nSoundEffectParameters : public QObject
+{
+    Q_OBJECT
+    Q_ENUMS(nSoundEffectType)
+    Q_PROPERTY(nSoundEffectType type READ type WRITE setType )
+
+public:
+    nSoundEffectParameters(QObject * parent = 0);
+
+    nSoundEffectType type();
+    void setType(nSoundEffectType type);
+
+    QVariant parameter(QString name);
+    void setParameter(QString name, QVariant param);
+    void clearParameters();
+
+private:
+    quint32 m_handle;
+    nSoundEffectType m_type;
+    QVariantMap m_parameters;
+
+};
+
+#endif // NSOUNDEFFECTPARAMETERS_H
diff --git a/src/nSoundFormat.h b/src/nSoundFormat.h
new file mode 100644 (file)
index 0000000..b1c6a06
--- /dev/null
@@ -0,0 +1,60 @@
+#ifndef NSOUNDFORMAT_H
+#define NSOUNDFORMAT_H
+
+#include <QtGlobal>
+
+enum nSoundFormat
+{
+    SF_UNDEFINED,
+    SF_8BIT_MONO,
+    SF_8BIT_STEREO,
+    SF_16BIT_MONO,
+    SF_16BIT_STEREO,
+    SF_WAVE_HEADER
+};
+
+inline quint64 nSoundFormat_getFramesize(nSoundFormat sf)
+{
+    switch(sf)
+    {
+    case SF_UNDEFINED:
+        return 0;
+
+    case SF_8BIT_MONO:
+        return 1;
+
+    case SF_8BIT_STEREO:
+        return 2;
+
+    case SF_16BIT_MONO:
+        return 2;
+
+    case SF_16BIT_STEREO:
+        return 4;
+
+    default:
+        return 0;
+    }
+}
+
+
+inline int nSoundFormat_getChannelCount(nSoundFormat sf)
+{
+    switch(sf)
+    {
+    case SF_UNDEFINED:
+        return 0;
+
+    case SF_8BIT_MONO:
+    case SF_16BIT_MONO:
+        return 1;
+
+    case SF_8BIT_STEREO:
+    case SF_16BIT_STEREO:
+        return 2;
+
+    default:
+        return 0;
+    }
+}
+#endif // NSOUNDFORMAT_H
diff --git a/src/nSoundListener.cpp b/src/nSoundListener.cpp
new file mode 100644 (file)
index 0000000..5aa9ad8
--- /dev/null
@@ -0,0 +1,76 @@
+#include "nSoundListener.h"
+#include "nSoundSystem.h"
+#ifdef NEIA
+#include "../scene/nSceneCamera.h"
+#include "OgreCamera.h"
+#endif
+
+#include "AL/al.h"
+
+nSoundListener::nSoundListener(nSoundSystem * parent) :
+    QObject(parent)
+{
+#ifdef NEIA
+    m_camera = 0;
+#endif
+    m_updating = true;
+}
+
+#ifdef NEIA
+void nSoundListener::setSourceCamera(nSceneCamera * cam)
+{
+    if(m_camera)
+    {
+        disconnect(this, SLOT(cameraDestroyed()));
+    }
+    m_camera = cam;
+    if(m_camera) //camera can be set to null
+    {
+        m_camLastPos = m_camera->ogreCamera()->getPosition();
+        connect(m_camera, SIGNAL(destroyed()), SLOT(cameraDestroyed()));
+    }
+}
+void nSoundListener::cameraDestroyed()
+{
+    disconnect(this, SLOT(cameraDestroyed()));
+    m_camera = 0;
+}
+#endif
+
+void nSoundListener::update(qreal frameTime)
+{
+#ifdef NEIA
+    if(m_updating && m_camera)
+    {
+        nVec3 pos(m_camera->ogreCamera()->getRealPosition()),
+                dir(m_camera->ogreCamera()->getRealDirection()),
+                up(m_camera->ogreCamera()->getRealUp());
+        nVec3 vel = pos - m_camLastPos;
+        m_camLastPos = pos;
+        vel/=frameTime;
+
+
+        updateManual(QVector3D());
+    }
+#endif
+
+}
+
+void nSoundListener::updateManual(QVector3D pos, QVector3D dir, QVector3D up, QVector3D vel)
+{
+    float orient[6];
+    orient[0] = dir[0];
+    orient[1] = dir[1];
+    orient[2] = dir[2];
+    orient[3] = up[0];
+    orient[4] = up[1];
+    orient[5] = up[2];
+
+    alGetError();
+    alListener3f(AL_POSITION, pos[0], pos[1], pos[2]);
+    alListenerfv(AL_ORIENTATION, orient);
+    alListener3f(AL_VELOCITY, vel[0], vel[1], vel[2]);
+
+    if(alGetError()!=AL_NO_ERROR)
+        throw QString("nSoundListener: Failed to update listener transformations.");
+}
diff --git a/src/nSoundListener.h b/src/nSoundListener.h
new file mode 100644 (file)
index 0000000..5f9c350
--- /dev/null
@@ -0,0 +1,45 @@
+#ifndef NSOUNDLISTENER_H
+#define NSOUNDLISTENER_H
+
+#include <QObject>
+#include <QVector3D>
+
+class nSceneCamera;
+class nSoundSystem;
+
+class nSoundListener : public QObject
+{
+    Q_OBJECT
+#ifdef NEIA
+    Q_PROPERTY(nSceneCamera * sourceCamera READ sourceCamera WRITE setSourceCamera)
+#endif
+    Q_PROPERTY(bool updating READ isUpdating WRITE setUpdating)
+public:
+    explicit nSoundListener(nSoundSystem * parent);
+
+#ifdef NEIA
+    nSceneCamera * sourceCamera(){return m_camera;}
+    void setSourceCamera(nSceneCamera * cam);
+#endif
+
+    bool isUpdating(){return m_updating;}
+    void setUpdating(bool b){m_updating = b;}
+
+signals:
+
+public slots:
+#ifdef NEIA
+    void cameraDestroyed();
+#endif
+    void update(qreal frameTime);
+    void updateManual(QVector3D position, QVector3D direction, QVector3D up, QVector3D velocity);
+
+private:
+#ifdef NEIA
+    nSceneCamera * m_camera;
+    nVec3 m_camLastPos;
+#endif
+    bool m_updating;
+};
+
+#endif // NSOUNDLISTENER_H
diff --git a/src/nSoundScriptMetatypes.cpp b/src/nSoundScriptMetatypes.cpp
new file mode 100644 (file)
index 0000000..1fdfb67
--- /dev/null
@@ -0,0 +1,27 @@
+#include "nSoundScriptMetatypes.h"
+
+#ifdef NEIA
+
+N_SCRIPT_METATYPE_QOBJECT_PTR_FUNCTIONS(nSoundBag)
+N_SCRIPT_METATYPE_QOBJECT_PTR_FUNCTIONS(nSoundBuffer)
+N_SCRIPT_METATYPE_QOBJECT_PTR_FUNCTIONS(nSoundEffectParameters)
+N_SCRIPT_METATYPE_QOBJECT_PTR_FUNCTIONS(nSoundListener)
+N_SCRIPT_METATYPE_QOBJECT_PTR_FUNCTIONS(nSoundSource)
+N_SCRIPT_METATYPE_QOBJECT_PTR_FUNCTIONS(nSoundStream)
+N_SCRIPT_METATYPE_QOBJECT_PTR_FUNCTIONS(nSoundStreamer)
+N_SCRIPT_METATYPE_QOBJECT_PTR_FUNCTIONS(nSoundStreamerPlaylist)
+N_SCRIPT_METATYPE_QOBJECT_PTR_FUNCTIONS(nSoundSystem)
+
+void nSoundScriptMetatypes_registerAll(QScriptEngine & engine)
+{
+    N_SCRIPT_METATYPE_REGISTER( engine, nSoundBag);
+    N_SCRIPT_METATYPE_REGISTER( engine, nSoundBuffer);
+    N_SCRIPT_METATYPE_REGISTER( engine, nSoundEffectParameters);
+    N_SCRIPT_METATYPE_REGISTER( engine, nSoundListener);
+    N_SCRIPT_METATYPE_REGISTER( engine, nSoundSource);
+    N_SCRIPT_METATYPE_REGISTER( engine, nSoundStream);
+    N_SCRIPT_METATYPE_REGISTER( engine, nSoundStreamer);
+    N_SCRIPT_METATYPE_REGISTER( engine, nSoundStreamerPlaylist);
+    N_SCRIPT_METATYPE_REGISTER( engine, nSoundSystem);
+}
+#endif
diff --git a/src/nSoundScriptMetatypes.h b/src/nSoundScriptMetatypes.h
new file mode 100644 (file)
index 0000000..4c5f140
--- /dev/null
@@ -0,0 +1,32 @@
+#ifndef NSOUNDSCRIPTMETATYPES_H
+#define NSOUNDSCRIPTMETATYPES_H
+
+#include "nSoundBag.h"
+#include "nSoundBuffer.h"
+#include "nSoundEffectParameters.h"
+#include "nSoundFormat.h"
+#include "nSoundListener.h"
+#include "nSoundSource.h"
+#include "nSoundStream.h"
+#include "nSoundStreamer.h"
+#include "nSoundStreamerPlaylist.h"
+#include "nSoundSystem.h"
+
+#ifdef NEIA
+#include "../util/nScriptMetatypeMacros.h"
+
+Q_DECLARE_METATYPE(nSoundBag*)
+Q_DECLARE_METATYPE(nSoundBuffer*)
+Q_DECLARE_METATYPE(nSoundEffectParameters*)
+Q_DECLARE_METATYPE(nSoundFormat*)
+Q_DECLARE_METATYPE(nSoundListener*)
+Q_DECLARE_METATYPE(nSoundSource*)
+Q_DECLARE_METATYPE(nSoundStream*)
+Q_DECLARE_METATYPE(nSoundStreamer*)
+Q_DECLARE_METATYPE(nSoundStreamerPlaylist*)
+Q_DECLARE_METATYPE(nSoundSystem*)
+
+void nSoundScriptMetatypes_registerAll(QScriptEngine & engine);
+#endif
+
+#endif // NSOUNDSCRIPTMETATYPES_H
diff --git a/src/nSoundSource.cpp b/src/nSoundSource.cpp
new file mode 100644 (file)
index 0000000..cdce6fe
--- /dev/null
@@ -0,0 +1,280 @@
+#include "nSoundSource.h"
+#include "nSoundSystem.h"
+#include "nSoundBuffer.h"
+
+#include "AL/al.h"
+
+
+nSoundSource::nSoundSource(QString name, nSoundSourceRole role, nSoundSystem * parent) :
+    QObject(parent)
+{
+    setObjectName(name);
+    m_role = role;
+    m_gainMirror = _roleGainVolume(role);
+    m_fading = false;
+    m_fadeTarget = 0.0f;
+    m_fadeDeltaPerSecond = 0.0f;
+    m_destroyAfterStopped = false;
+
+    alGetError(); //reset error state
+
+    unsigned int hnd;
+    alGenSources(1, &hnd);
+    m_handle = hnd;
+
+    ALenum error = alGetError();
+    if(error!=AL_NO_ERROR)
+    {
+        throw QString("nSoundSource: alGenSources() failed.");
+    }
+
+    alSourcef(m_handle, AL_GAIN, m_gainMirror);
+    alSource3f(m_handle, AL_POSITION, 0.0f ,0.0f ,0.0f);
+    alSource3f(m_handle, AL_VELOCITY, 0.0f ,0.0f ,0.0f);
+    alSource3f(m_handle, AL_DIRECTION, 0.0f, 0.0f, 0.0f);
+    if(error!=AL_NO_ERROR)
+        throw QString("nSoundSource: Setting of source properties failed.");
+
+}
+
+nSoundSource::~nSoundSource()
+{
+    alDeleteSources(1, &m_handle);
+}
+
+// PROPERTIES
+
+nSoundSource::nSoundSourceState nSoundSource::state()
+{
+    alGetError();
+
+    int state;
+    alGetSourcei(m_handle, AL_SOURCE_STATE, &state);
+
+    switch (state)
+    {
+    case AL_INITIAL:
+        return SSS_INITIAL;
+
+    case AL_PLAYING:
+        return SSS_PLAYING;
+
+    case AL_PAUSED:
+        return SSS_PAUSED;
+
+    case AL_STOPPED:
+        return SSS_STOPPED;
+    }
+
+    return SSS_UNKNOWN;
+
+}
+
+qreal nSoundSource::gain()
+{
+    return m_gainMirror;
+}
+
+void nSoundSource::setGain(qreal f)
+{
+    if(f<0.0f)
+        f=0.0f;
+    alSourcef(m_handle, AL_GAIN, f);    
+    m_gainMirror = f;
+}
+
+
+qreal nSoundSource::pitch()
+{
+    ALfloat pitch;
+    alGetSourcef(m_handle, AL_PITCH, &pitch);
+    return pitch;
+}
+
+void nSoundSource::setPitch(qreal f)
+{
+    if(f<0.0f)
+        f=0.0f;
+    alSourcef(m_handle, AL_PITCH, f);
+}
+
+
+qreal nSoundSource::rolloffFactor()
+{
+    ALfloat rolloff;
+    alGetSourcef(m_handle, AL_ROLLOFF_FACTOR, &rolloff);
+    return rolloff;
+}
+
+void nSoundSource::setRolloffFactor(qreal f)
+{
+    if(f<0.0f)
+        f=0.0f;
+    alSourcef(m_handle, AL_ROLLOFF_FACTOR, f);
+}
+
+
+bool nSoundSource::loop()
+{
+    ALint loop;
+    alGetSourcei(m_handle, AL_LOOPING, &loop);
+    return (loop?true:false);
+}
+
+void nSoundSource::setLoop(bool b)
+{
+    alSourcei(m_handle, AL_LOOPING, (b?AL_TRUE:AL_FALSE));
+}
+
+QVector3D nSoundSource::position()
+{
+    ALfloat x,y,z;
+    alGetSource3f(m_handle, AL_POSITION, &x, &y, &z);
+    return QVector3D(x,y,z);
+}
+
+void nSoundSource::setPosition(QVector3D pos)
+{
+    alSource3f(m_handle, AL_POSITION, pos.x(), pos.y(), pos.z() );
+}
+
+
+// METHODS
+
+bool nSoundSource::update(qreal frameTime)
+{
+    if(m_fading)
+    {
+        qreal newGain = m_gainMirror + frameTime*m_fadeDeltaPerSecond;
+        if( ((m_fadeDeltaPerSecond < 0.0f)&&(newGain<m_fadeTarget)) ||
+            ((m_fadeDeltaPerSecond > 0.0f)&&(newGain>m_fadeTarget)) )
+        {
+            newGain = m_fadeTarget;
+            m_fading = false;
+        }
+        setGain(newGain);
+    }if(destroyAfterStopped() && state() == SSS_STOPPED)
+    {
+        return false;
+    }
+
+    return true;
+}
+
+void nSoundSource::fade(qreal to, qreal duration, qreal from)
+{
+    if(to==from)
+    {
+        setGain(to);
+        m_fading = false;
+        return;
+    }
+
+    qreal newGain;
+    if(from >= 0.0f)
+    {
+        setGain(from);
+        newGain = from;
+    }else newGain = gain();
+
+    m_fadeTarget = to;
+    m_fadeDeltaPerSecond = (to - newGain)/duration;
+    m_fading = true;
+
+}
+
+void nSoundSource::attachBuffer(nSoundBuffer * buffer)
+{
+    if(!buffer) return;
+    alGetError();
+
+    ALint sourceType;
+    alGetSourcei(m_handle, AL_SOURCE_TYPE, &sourceType);
+    if(sourceType == AL_STREAMING)
+        throw QString("nSoundSource: Tried to play a single buffer on a streaming source.");
+
+    alSourcei(m_handle, AL_BUFFER, buffer->openalHandle());
+
+    ALenum err = alGetError();
+    if(err!=AL_NO_ERROR)
+        throw QString("nSoundSource: failed to bind buffer \"")+buffer->objectName()+
+                QString("\" to source \"")+objectName()+QString("\".");
+}
+
+void nSoundSource::play()
+{
+    alGetError();
+    alSourcePlay(m_handle);
+    if(alGetError()!=AL_NO_ERROR)
+        throw QString("nSoundSource: Failed to play source.");
+}
+
+void nSoundSource::pause()
+{
+    alGetError();
+    alSourcePause(m_handle);
+    if(alGetError()!=AL_NO_ERROR)
+        throw QString("nSoundSource: Failed to pause source.");
+}
+
+void nSoundSource::stop()
+{
+    alGetError();
+    alSourceStop(m_handle);
+    if(alGetError()!=AL_NO_ERROR)
+        throw QString("nSoundSource: Failed to stop source.");
+}
+
+void nSoundSource::rewind()
+{
+    alGetError();
+    alSourceRewind(m_handle);
+    if(alGetError()!=AL_NO_ERROR)
+        throw QString("nSoundSource: Failed to rewind source.");
+}
+
+// GAIN CFG SUPPORT
+
+bool nSoundSource::_m_gainsInitialized = false;
+qreal nSoundSource::_m_musicGain = 0.0f;
+qreal nSoundSource::_m_sfxGain = 0.0f;
+qreal nSoundSource::_m_voiceGain = 0.0f;
+qreal nSoundSource::_m_ambienceGain = 0.0f;
+
+#include <QSettings>
+
+void nSoundSource::_resetRoleGains()
+{
+    QSettings settings;
+    settings.beginGroup("Audio");
+    _m_musicGain = settings.value("MusicGain", 60).toFloat()/100.0f;
+    _m_sfxGain = settings.value("SfxGain", 90).toFloat()/100.0f;
+    _m_voiceGain = settings.value("VoiceGain", 70).toFloat()/100.0f;
+    _m_ambienceGain = settings.value("AmbienceGain", 60).toFloat()/100.0f;
+    _m_gainsInitialized = true;
+    settings.endGroup();
+
+    _m_gainsInitialized = true;
+}
+
+qreal nSoundSource::_roleGainVolume(nSoundSourceRole role)
+{
+    if(!_m_gainsInitialized)
+        nSoundSource::_resetRoleGains();
+
+    switch(role)
+    {
+    case SSR_MUSIC:
+        return _m_musicGain;
+    case SSR_SFX:
+        return _m_sfxGain;
+    case SSR_AMBIENCE:
+        return _m_ambienceGain;
+    case SSR_VOICE:
+        return _m_voiceGain;
+    default:
+        return 1.0f;
+    }
+
+}
+
diff --git a/src/nSoundSource.h b/src/nSoundSource.h
new file mode 100644 (file)
index 0000000..bb8623d
--- /dev/null
@@ -0,0 +1,119 @@
+#ifndef NSOUNDSOURCE_H
+#define NSOUNDSOURCE_H
+
+#include <QObject>
+#include <QVector3D>
+#include "nSoundSourceRole.h"
+
+class nSoundSystem;
+class nSoundBuffer;
+
+
+class nSoundSource : public QObject
+{
+    Q_OBJECT
+    Q_ENUMS(nSoundSourceState)
+    Q_ENUMS(nSoundSourceRole)
+
+    Q_PROPERTY(unsigned int openalHandle READ openalHandle)
+    Q_PROPERTY(nSoundSourceRole role READ role)
+    Q_PROPERTY(nSoundSourceState state READ state)
+    Q_PROPERTY(qreal gain READ gain WRITE setGain)
+    Q_PROPERTY(qreal pitch READ pitch WRITE setPitch)
+    Q_PROPERTY(qreal rolloffFactor READ rolloffFactor WRITE setRolloffFactor)
+    Q_PROPERTY(bool loop READ loop WRITE setLoop)
+    Q_PROPERTY(QVector3D position READ position WRITE setPosition)
+    Q_PROPERTY(bool destroyAfterStopped READ destroyAfterStopped WRITE setDestroyAfterStopped NOTIFY onDestroyAfterStoppedChanged )
+
+    Q_PROPERTY(qreal fading READ isFading)
+    Q_PROPERTY(qreal fadeTarget READ fadeTarget)
+    Q_PROPERTY(qreal fadeDeltaPerSecond READ fadeDeltaPerSecond)
+
+
+public:
+    enum nSoundSourceState
+    {
+        SSS_UNKNOWN,
+        SSS_PLAYING,
+        SSS_PAUSED,
+        SSS_STOPPED,
+        SSS_INITIAL
+    };
+
+    explicit nSoundSource(QString name, nSoundSourceRole role, nSoundSystem * parent);
+    virtual ~nSoundSource();
+
+    unsigned int openalHandle(){return m_handle;}
+    nSoundSourceState state();
+    nSoundSourceRole role(){return m_role;}
+    qreal gain();
+    qreal pitch();
+    qreal rolloffFactor();
+    bool loop();
+    QVector3D position();
+
+    bool isFading() const {return m_fading;}
+    qreal fadeTarget() const {return m_fadeTarget;}
+    qreal fadeDeltaPerSecond() const {return m_fadeDeltaPerSecond;}
+
+    // GAIN CFG SUPPORT
+    static qreal _roleGainVolume(nSoundSourceRole role);
+    static void _resetRoleGains();
+
+    bool destroyAfterStopped() const
+    {
+        return m_destroyAfterStopped;
+    }
+
+signals:
+
+    void onDestroyAfterStoppedChanged(bool arg);
+
+public slots:
+    bool update(qreal frameTime);
+
+    void attachBuffer(nSoundBuffer * buffer);
+
+    void setGain(qreal);
+    void setPitch(qreal);
+    void setRolloffFactor(qreal);
+    void setLoop(bool);
+    void setPosition(QVector3D pos);
+
+    void fade(qreal to, qreal duration, qreal from = -1.0f);
+
+    void play();
+    void pause();
+    void stop();
+    void rewind();
+
+    void setDestroyAfterStopped(bool arg)
+    {
+        if (m_destroyAfterStopped == arg)
+            return;
+
+        m_destroyAfterStopped = arg;
+        emit onDestroyAfterStoppedChanged(arg);
+    }
+
+private:
+    unsigned int m_handle;
+    nSoundSourceRole m_role;
+
+    qreal m_gainMirror;
+
+    bool m_fading;
+    qreal m_fadeTarget;
+    qreal m_fadeDeltaPerSecond;
+
+    //GAIN CFG SUPPORT
+    static bool _m_gainsInitialized;
+    static qreal _m_musicGain;
+    static qreal _m_sfxGain;
+    static qreal _m_voiceGain;
+    static qreal _m_ambienceGain;
+
+    bool m_destroyAfterStopped;
+};
+
+#endif // NSOUNDSOURCE_H
diff --git a/src/nSoundSourceRole.h b/src/nSoundSourceRole.h
new file mode 100644 (file)
index 0000000..7d7498a
--- /dev/null
@@ -0,0 +1,13 @@
+#ifndef NSOUNDSOURCEROLE_H
+#define NSOUNDSOURCEROLE_H
+
+enum  nSoundSourceRole
+{
+    SSR_MUSIC,
+    SSR_SFX,
+    SSR_AMBIENCE,
+    SSR_VOICE,
+    SSR_OTHER
+};
+
+#endif // NSOUNDSOURCEROLE_H
diff --git a/src/nSoundStream.cpp b/src/nSoundStream.cpp
new file mode 100644 (file)
index 0000000..f3c4bf1
--- /dev/null
@@ -0,0 +1,14 @@
+#include "nSoundStream.h"
+#include "nSoundBag.h"
+
+nSoundStream::nSoundStream(QObject *parent) :
+    QObject(parent)
+{
+}
+
+nSoundBag *nSoundStream::createSoundBag(QObject *parent)
+{
+    nSoundBag * bag = new nSoundBag( format(), frames(), frequency() );
+    read(bag->m_data, frames());
+    return bag;
+}
diff --git a/src/nSoundStream.h b/src/nSoundStream.h
new file mode 100644 (file)
index 0000000..5c81123
--- /dev/null
@@ -0,0 +1,36 @@
+#ifndef NSOUNDSTREAM_H
+#define NSOUNDSTREAM_H
+
+#include <QObject>
+#include "nSoundFormat.h"
+
+class nSoundBag;
+
+class nSoundStream : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(int channels READ channels)
+    Q_PROPERTY(quint64 frames READ frames)
+    Q_PROPERTY(int frequency READ frequency)
+    Q_PROPERTY(nSoundFormat format READ format)
+    Q_PROPERTY(bool suggestStreaming READ suggestStreaming)
+public:
+    explicit nSoundStream(QObject *parent = 0);
+
+    virtual quint64 frames()=0;
+    virtual int channels()=0;
+    virtual int frequency()=0;
+
+    virtual nSoundBag * createSoundBag(QObject * parent = 0);
+    virtual nSoundFormat format() = 0;
+    virtual bool suggestStreaming() = 0;
+
+    virtual void rewind() = 0;
+    virtual quint64 read(void* data, unsigned long frames) = 0;
+signals:
+
+public slots:
+
+};
+
+#endif // NSOUNDSTREAM_H
diff --git a/src/nSoundStreamer.cpp b/src/nSoundStreamer.cpp
new file mode 100644 (file)
index 0000000..596a9d6
--- /dev/null
@@ -0,0 +1,235 @@
+#include "nSoundStreamer.h"
+#include "nSoundSystem.h"
+#include "nSoundSource.h"
+#include "nSoundBag.h"
+#include "nSoundStream.h"
+#include "nSoundStreamerPlaylist.h"
+#include "AL/al.h"
+
+
+const int nSS_BUFFER_SIZE = 4096;
+
+nSoundStreamer::nSoundStreamer(QString name, nSoundSource * source, nSoundStreamerPlaylist * playlist, nSoundSystem * parent) :
+    QObject(parent)
+{
+    setObjectName(name);
+    m_playlist = playlist;
+
+    if(!playlist->itemCount()) {
+        qWarning("nSoundStreamer has no items in playlist");
+        return;
+    }
+
+    // make sure we can stream to source
+    alGetError();
+    int sourceType;
+    alGetSourcei(source->openalHandle(), AL_SOURCE_TYPE, &sourceType);
+    if(sourceType == AL_STATIC)
+        throw QString("nSoundStreamer::nSoundStreamer(...): Tried to create stream \"")+name+("\" to an AL_STATIC source.");
+    m_source = source;
+
+    // create OpenAL buffers
+    alGetError();
+    unsigned int buffers[3];
+    alGenBuffers(3, buffers);
+    m_buffer0 = buffers[0];
+    m_buffer1 = buffers[1];
+    m_buffer2 = buffers[2];
+    if(alGetError()!=AL_NO_ERROR)
+        throw QString("nSoundStreamer::nSoundStreamer(...): Failed to create streaming buffers for \"")+name+QString("\".");
+
+
+    //reserve buffer memory
+    m_currentStream = 0;
+    nSoundStream * stream = m_playlist->m_items[m_currentStream].m_soundStream;
+    m_bag = new nSoundBag(stream->format(),
+        (stream->frames() < nSS_BUFFER_SIZE? stream->frames() : nSS_BUFFER_SIZE),
+        stream->frequency(), this);
+
+    //fill in initial data and queue buffers
+    m_keepStreaming = fillAndQueueBuffer(m_buffer0);
+    if(m_keepStreaming) m_keepStreaming = fillAndQueueBuffer(m_buffer1);
+    if(m_keepStreaming) m_keepStreaming = fillAndQueueBuffer(m_buffer2);
+
+    // start threaded updater
+    QThread * updaterThread = new QThread(0);
+    updaterThread->setObjectName(objectName() + "_THREAD");
+    m_updater = new nSoundStreamerUpdater(this);
+    m_updater->moveToThread(updaterThread);
+    updaterThread->start();
+    updaterThread->setPriority(QThread::LowPriority);
+    m_updater->setup();
+
+}
+
+nSoundStreamer::~nSoundStreamer()
+{
+    if(!m_playlist->itemCount()) {
+        return;
+    }
+
+    QMutexLocker lock(&_mutex);
+
+    m_updater->_keepGoing = false;
+    alGetError();
+
+    m_source->stop();
+
+    int queuedBuffers;
+    alGetSourcei(m_source->openalHandle(), AL_BUFFERS_QUEUED, &queuedBuffers);
+    while(queuedBuffers--)
+    {
+        unsigned int buffer;
+        alSourceUnqueueBuffers(m_source->openalHandle(), 1, &buffer);
+        if(alGetError()!=AL_NO_ERROR)
+        {
+            qWarning("nSoundStreamer::~nSoundStreamer(): Failed to unqueue buffer");
+        }
+    }
+
+    unsigned int buffers[3];
+    buffers[0] = m_buffer0;
+    buffers[1] = m_buffer1;
+    buffers[2] = m_buffer2;
+    alDeleteBuffers(3, buffers);
+
+    if(alGetError()!=AL_NO_ERROR)
+        qWarning("nSoundStreamer::~nSoundStreamer(): Failed to destroy buffers.");
+
+    delete m_bag;
+}
+
+void nSoundStreamer::update(float frameTime)
+{
+
+    if(!m_playlist->itemCount()) {
+        return;
+    }
+
+    QMutexLocker lock(&_mutex);
+
+    if(m_keepStreaming)
+    {
+        unsigned int sourceHandle = m_source->openalHandle();
+
+        alGetError();
+        int processedBuffers;
+        alGetSourcei(sourceHandle, AL_BUFFERS_PROCESSED, &processedBuffers);
+
+        while(processedBuffers--)
+        {
+            unsigned int buffer;
+            alSourceUnqueueBuffers(sourceHandle, 1, &buffer);
+            if(alGetError()!=AL_NO_ERROR)
+                throw QString("nSoundStreamer::update(...): Failed to unqueue buffer.");
+
+            if(m_keepStreaming) m_keepStreaming = fillAndQueueBuffer(buffer);
+        }
+    }
+
+
+}
+
+void nSoundStreamer::rewind()
+{
+    if(!m_playlist->itemCount()) {
+        return;
+    }
+
+    bool playing = m_source->state() == nSoundSource::SSS_PLAYING;
+    m_source->stop();
+    m_playlist->m_items[m_currentStream].m_soundStream->rewind();
+    m_currentStream = 0;
+
+    update(0);
+    if(playing) m_source->play();
+
+}
+
+bool nSoundStreamer::fillAndQueueBuffer(unsigned int buffer)
+{
+    bool keep = true;
+
+    nSoundBag * bag = m_bag;
+    quint64 frames = bag->m_frames;
+    quint64 readFrames = 0;
+    int byteFactor = nSoundFormat_getFramesize(bag->m_format);
+
+    do
+    {
+        nSoundStream * stream = m_playlist->m_items[m_currentStream].m_soundStream;
+
+        readFrames += stream->read(m_bag->m_data+(readFrames*byteFactor), m_bag->m_frames - readFrames);
+
+        if(readFrames!=frames)
+        {
+            stream->rewind();
+            if( ! m_playlist->item(m_currentStream).m_loop)
+            {
+                m_currentStream++;
+                if(m_currentStream==m_playlist->m_items.size())
+                    if(m_playlist->loopPlaylist())m_currentStream = 0;
+                    else keep = false;
+            }
+        }
+    }while ( keep && (readFrames < frames));
+
+    alGetError();
+    alBufferData(buffer, openalFormat(m_bag->m_format), m_bag->m_data, readFrames*byteFactor, m_bag->m_frequency);
+    if(alGetError()!=AL_NO_ERROR)
+        throw QString("nSoundStreamer::fillAndQueueBuffer(...): Failed to refill buffer.");
+
+    alSourceQueueBuffers(m_source->openalHandle(), 1, &buffer);
+    if(alGetError()!=AL_NO_ERROR)
+        throw QString("nSoundStreamer::fillAndQueueBuffer(...): Failed to queue buffer.");
+
+    return keep;
+}
+
+int nSoundStreamer::openalFormat(nSoundFormat format)
+{
+    switch(format)
+    {
+    case SF_8BIT_MONO:
+        return AL_FORMAT_MONO8;
+
+    case SF_8BIT_STEREO:
+        return AL_FORMAT_STEREO8;
+
+    case SF_16BIT_MONO:
+        return AL_FORMAT_MONO16;
+
+    case SF_16BIT_STEREO:
+        return AL_FORMAT_STEREO16;
+    }
+
+    return -1;
+}
+
+
+nSoundStreamerUpdater::nSoundStreamerUpdater(nSoundStreamer *parent) : QObject(0),
+    _streamer(parent),
+    _keepGoing(true)
+{
+    startTimer(static_cast<int>(nSS_BUFFER_SIZE / 44100.0 * 1000));
+}
+
+nSoundStreamerUpdater::~nSoundStreamerUpdater()
+{
+
+}
+
+void nSoundStreamerUpdater::setup()
+{
+}
+
+void nSoundStreamerUpdater::timerEvent(QTimerEvent * evt)
+{
+    if(_keepGoing)
+        _streamer->update(0);
+    else {
+        deleteLater();
+        QThread::currentThread()->deleteLater();
+        QThread::currentThread()->exit(0);
+    }
+}
diff --git a/src/nSoundStreamer.h b/src/nSoundStreamer.h
new file mode 100644 (file)
index 0000000..d4ea36d
--- /dev/null
@@ -0,0 +1,104 @@
+#ifndef NSOUNDSTREAMER_H
+#define NSOUNDSTREAMER_H
+
+#include <QObject>
+#include <QThread>
+#include <QMutex>
+
+#include "nSoundFormat.h"
+
+class nSoundSystem;
+class nSoundSource;
+class nSoundBag;
+class nSoundStream;
+class nSoundStreamerPlaylist;
+
+
+class nSoundStreamerUpdater;
+
+class nSoundStreamer : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(nSoundSource* source READ source WRITE setSource NOTIFY sourceChanged)
+    Q_PROPERTY(nSoundStreamerPlaylist* playlist READ playlist WRITE setPlaylist NOTIFY playlistChanged)
+public:
+    explicit nSoundStreamer(QString name, nSoundSource * source,  nSoundStreamerPlaylist * playlist, nSoundSystem * parent);
+    virtual ~nSoundStreamer();
+
+    nSoundSource* source() const
+    {
+        return m_source;
+    }
+
+    nSoundStreamerPlaylist* playlist() const
+    {
+        return m_playlist;
+    }
+
+signals:
+
+
+    void sourceChanged(nSoundSource* arg);
+
+    void playlistChanged(nSoundStreamerPlaylist* arg);
+
+public slots:
+    void update(float);
+    void rewind();
+
+    void setSource(nSoundSource* arg)
+    {
+        if (m_source == arg)
+            return;
+
+        m_source = arg;
+        emit sourceChanged(arg);
+    }
+
+    void setPlaylist(nSoundStreamerPlaylist* arg)
+    {
+        if (m_playlist == arg)
+            return;
+
+        m_playlist = arg;
+        emit playlistChanged(arg);
+    }
+
+private:
+    friend class nSoundStreamerUpdater;
+
+    bool fillAndQueueBuffer(unsigned int buffer);
+    int openalFormat(nSoundFormat format);
+
+    nSoundStreamerPlaylist * m_playlist;
+    int m_currentStream;
+
+    nSoundSource * m_source;
+    nSoundBag * m_bag;
+
+    bool m_keepStreaming;
+    unsigned int m_buffer0, m_buffer1, m_buffer2;
+
+    QMutex _mutex;
+    nSoundStreamerUpdater * m_updater;
+
+};
+
+
+class nSoundStreamerUpdater : public QObject
+{
+    Q_OBJECT
+
+public:
+    nSoundStreamerUpdater(nSoundStreamer * parent);
+    ~nSoundStreamerUpdater();
+
+    void setup();
+    void timerEvent(QTimerEvent *);
+private:
+    friend class nSoundStreamer;
+    nSoundStreamer * _streamer;
+    bool _keepGoing;
+};
+
+#endif // NSOUNDSTREAMER_H
diff --git a/src/nSoundStreamerPlaylist.cpp b/src/nSoundStreamerPlaylist.cpp
new file mode 100644 (file)
index 0000000..eb95029
--- /dev/null
@@ -0,0 +1,39 @@
+#include "nSoundStreamerPlaylist.h"
+
+nSoundStreamerPlaylist::nSoundStreamerPlaylist(QObject *parent) :
+    QObject(parent),
+    m_loopPlaylist(false),
+    m_items(QList<nSoundStreamerItem>())
+{
+}
+
+nSoundStreamerPlaylist::~nSoundStreamerPlaylist()
+{
+}
+
+void nSoundStreamerPlaylist::createItem(nSoundStream * stream, bool loop)
+{
+    qDebug("Item");
+
+    if(!stream)
+    {
+        qWarning("Attempted to create nSoundStreamerPlaylist item with null stream pointer.");
+        return;
+    }
+
+    nSoundStreamerItem item;
+    item.m_soundStream = stream;
+    item.m_loop = loop;
+    m_items.append(item);
+
+}
+
+nSoundStreamerItem nSoundStreamerPlaylist::item(int index)
+{
+    return m_items[index];
+}
+
+void nSoundStreamerPlaylist::clearItems()
+{
+    m_items.clear();
+}
diff --git a/src/nSoundStreamerPlaylist.h b/src/nSoundStreamerPlaylist.h
new file mode 100644 (file)
index 0000000..061471e
--- /dev/null
@@ -0,0 +1,41 @@
+#ifndef NSOUNDSTREAMERPLAYLIST_H
+#define NSOUNDSTREAMERPLAYLIST_H
+
+#include <QObject>
+#include <QList>
+
+class nSoundStream;
+
+typedef struct _nSoundStreamerItem
+{
+    nSoundStream * m_soundStream = 0;
+    bool m_loop;
+} nSoundStreamerItem;
+
+class nSoundStreamerPlaylist : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(bool loopPlaylist READ loopPlaylist WRITE setLoopPlaylist) 
+public:
+    explicit nSoundStreamerPlaylist(QObject *parent = 0);
+    virtual ~nSoundStreamerPlaylist();
+    nSoundStreamerItem item(int index);
+
+    bool loopPlaylist(){return m_loopPlaylist;}
+    void setLoopPlaylist(bool b){m_loopPlaylist = b;}
+
+signals:
+
+public slots:
+    void createItem(nSoundStream * stream, bool loop);
+    int itemCount() { return m_items.count(); }
+    void clearItems();
+
+private:
+    friend class nSoundStreamer;
+    QList<nSoundStreamerItem> m_items;
+    bool m_loopPlaylist;
+
+};
+
+#endif // NSOUNDSTREAMERPLAYLIST_H
diff --git a/src/nSoundSystem.cpp b/src/nSoundSystem.cpp
new file mode 100644 (file)
index 0000000..5ff8f53
--- /dev/null
@@ -0,0 +1,247 @@
+#include "nSoundSystem.h"
+#include "nSoundSource.h"
+#include "nSoundBuffer.h"
+#include "nSoundListener.h"
+#include "nSoundStreamer.h"
+#include "nSoundStreamerPlaylist.h"
+
+#include <AL/al.h>
+#include <AL/alc.h>
+#include <AL/alext.h>
+
+#include "util/nEfxHelper.h"
+#include <QSettings>
+#include <QUuid>
+
+nSoundSystem::nSoundSystem(QObject *parent) :
+    QObject(parent), m_success(false)
+{
+    qDebug("nSoundSystem initializing.");
+
+    m_context = 0;
+    m_device = 0;
+
+    m_device = alcOpenDevice(0); //default device
+    if(!m_device)
+        throw QString("Error creating OpenAL device.");
+
+    int attributes[] = {ALC_FREQUENCY, 44100, 0};
+    m_context = alcCreateContext(m_device, attributes);
+    if(!m_context)
+        throw QString("Error creating OpenAL context.");
+
+    alcMakeContextCurrent(m_context);
+    if( alGetError()!=AL_NO_ERROR)
+        qWarning("nSoundSystem::nSoundSystem(): Failed to set context as current.");
+
+    if(!nEfxHelper::initialize(m_device))
+        qWarning("nSoundSystem::nSoundSystem(): nEfxHelper initialization failed.");
+
+    m_listener = new nSoundListener(this);
+    m_success = true;
+
+#ifdef ANDROID
+#ifdef MOB
+    alcDeviceEnableHrtfMOB( m_device, false );
+#endif
+#endif
+
+    qDebug("nSoundSystem initialized successfully.");
+
+    alcGetIntegerv(m_device, ALC_MAX_AUXILIARY_SENDS, 1, &m_numSends);
+    qDebug(QString("OpenAL device supports %1 auxiliary sends per source.").arg(m_numSends).toLocal8Bit());
+
+    nSoundSource::_resetRoleGains();
+    QSettings settings;
+    settings.beginGroup("Audio");
+    setMasterGain(settings.value("MasterGain", 100).toFloat()/100.0f);
+    settings.endGroup();
+
+}
+
+nSoundSystem::~nSoundSystem()
+{
+    // ensure deletion of resources in right order
+    QHash<QString, nSoundSource*> sources = m_sources;
+    QHash<QString, nSoundBuffer*> buffers = m_buffers;
+    QHash<QString, nSoundStreamer*> streamers = m_streamers;
+
+    foreach(nSoundStreamer * streamer, streamers)
+    {
+        destroyStreamer(streamer);
+    }
+
+    foreach(nSoundSource * source, sources)
+    {
+        destroySource(source);
+    }
+
+    foreach(nSoundBuffer * buffer, buffers)
+    {
+        destroyBuffer(buffer);
+    }
+
+
+    alcMakeContextCurrent(0);
+    alcDestroyContext(m_context);
+    alcCloseDevice(m_device);
+}
+
+void nSoundSystem::update(qreal frameTime)
+{
+
+    m_listener->update(frameTime);
+
+//    Not necessary anymore, streamers update themselves in owned threads.
+
+//    foreach(nSoundStreamer * streamer, m_streamers)
+//    {
+//        streamer->update(frameTime);
+//    }
+
+    QList<nSoundSource*> toDestroy;
+    foreach(nSoundSource * source, m_sources)
+    {
+        if(!source->update(frameTime))
+            toDestroy.append(source);
+    }
+
+    foreach (nSoundSource * source, toDestroy) {
+        destroySource(source);
+    }
+}
+
+// SOUND STUFF METHODS
+
+qreal nSoundSystem::masterGain()
+{
+    float ret;
+    alGetListenerf(AL_GAIN, &ret);
+    return ret;
+}
+
+void nSoundSystem::setMasterGain(qreal gain)
+{
+    alListenerf(AL_GAIN, gain);
+
+    emit masterGainChanged(gain);
+}
+
+// SOURCE METHODS
+
+nSoundSource * nSoundSystem::createSource(QString name, nSoundSourceRole role)
+{
+    if(name.isEmpty())
+    {
+        name = QString("nSoundSource_%1").arg(QUuid::createUuid().toString());
+    }
+
+    nSoundSource * src;
+    try{
+        src = new nSoundSource(name, role, this);
+        m_sources.insert(name, src);
+        return src;
+    }catch(...)
+    {
+        return 0;
+    }
+}
+
+nSoundSource * nSoundSystem::source(QString name)
+{
+    return m_sources.value(name, 0);
+}
+
+bool nSoundSystem::destroySource(QString name)
+{
+    nSoundSource * src = m_sources.value(name, 0);
+    if(!src) return false;
+    m_sources.remove(name);
+    delete src;
+    return true;
+}
+
+bool nSoundSystem::destroySource(nSoundSource * source)
+{
+    nSoundSource * src = m_sources.value(source->objectName(), 0);
+    if(!src) return false;
+    m_sources.remove(source->objectName());
+    delete src;
+    return true;
+}
+
+
+// BUFFER METHODS
+
+nSoundBuffer * nSoundSystem::createBuffer(QString name)
+{
+    if(name.isEmpty()) qWarning("Creating nSoundBuffer with empty name.");
+
+    nSoundBuffer * buf = new nSoundBuffer(name, this);
+    m_buffers.insert(name, buf);
+    return buf;
+}
+
+nSoundBuffer * nSoundSystem::buffer(QString name)
+{
+    return m_buffers.value(name, 0);
+}
+
+bool nSoundSystem::destroyBuffer(QString name)
+{
+    nSoundBuffer * buf = m_buffers.value(name, 0);
+    if(!buf) return false;
+    m_buffers.remove(name);
+    delete buf;
+    return true;
+}
+
+bool nSoundSystem::destroyBuffer(nSoundBuffer * buffer)
+{
+    nSoundBuffer * buf = m_buffers.value(buffer->objectName(), 0);
+    if(!buf) return false;
+    m_buffers.remove(buffer->objectName());
+    delete buf;
+    return true;
+}
+
+
+// STREAMER METHODS
+
+nSoundStreamer * nSoundSystem::createStreamer(QString name, nSoundSource * source, nSoundStreamerPlaylist * playlist)
+{
+    if(name.isEmpty()) qWarning("Creating nSoundStreamer with an empty name.");
+
+    nSoundStreamer * streamer = new nSoundStreamer(name, source, playlist, this);
+    playlist->setParent(streamer);
+    m_streamers.insert(name, streamer);
+    return streamer;
+}
+
+nSoundStreamerPlaylist *nSoundSystem::createStreamerPlaylist(QObject *parent)
+{
+    return new nSoundStreamerPlaylist(parent);
+}
+
+nSoundStreamer * nSoundSystem::streamer(QString name)
+{
+    return m_streamers.value(name, 0);
+}
+
+bool nSoundSystem::destroyStreamer(QString name)
+{
+    nSoundStreamer * streamer = m_streamers.value(name, 0);
+    if(!streamer) return false;
+    m_streamers.remove(name);
+    delete streamer;
+    return true;
+}
+
+bool nSoundSystem::destroyStreamer(nSoundStreamer * streamer)
+{
+    nSoundStreamer * strm = m_streamers.value(streamer->objectName(), 0);
+    if(!strm) return false;
+    m_streamers.remove(strm->objectName());
+    delete strm;
+    return true;
+}
diff --git a/src/nSoundSystem.h b/src/nSoundSystem.h
new file mode 100644 (file)
index 0000000..9eabc66
--- /dev/null
@@ -0,0 +1,85 @@
+#ifndef NSOUNDSYSTEM_H
+#define NSOUNDSYSTEM_H
+
+#include <QObject>
+#include <QHash>
+#include "nSoundSourceRole.h"
+#include "nSoundFormat.h"
+
+// *sigh* ugly but necessary
+struct ALCcontext_struct;
+struct ALCdevice_struct;
+typedef struct ALCcontext_struct ALCcontext;
+typedef struct ALCdevice_struct ALCdevice;
+
+class nSoundSource;
+class nSoundBuffer;
+class nSoundListener;
+class nSoundStreamer;
+class nSoundStreamerPlaylist;
+
+class nSoundSystem : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(int supportedAuxiliarySends READ supportedAuxiliarySends)
+    Q_PROPERTY(qreal masterGain READ masterGain WRITE setMasterGain NOTIFY masterGainChanged)
+    Q_PROPERTY(nSoundListener * listener READ listener)
+    Q_PROPERTY(ALCcontext * openalContext READ openalContext)
+    Q_PROPERTY(ALCdevice * openalDevice READ openalDevice)
+    Q_ENUMS(nSoundFormat)
+    Q_ENUMS(nSoundSourceRole)
+public:
+    explicit nSoundSystem(QObject *parent = 0);
+    virtual ~nSoundSystem();
+
+    ALCcontext * openalContext(){return m_context;}
+    ALCdevice * openalDevice(){return m_device;}
+
+    nSoundListener * listener(){return m_listener;}
+
+    qreal masterGain();
+
+    int supportedAuxiliarySends(){return m_numSends;}
+
+signals:
+
+    void masterGainChanged(qreal arg);
+
+public slots:
+
+    void update(qreal);
+
+    void setMasterGain(qreal gain);
+
+    nSoundSource * createSource(QString name = "", nSoundSourceRole = SSR_SFX);
+    nSoundSource * source(QString name);
+    bool destroySource(QString name);
+    bool destroySource(nSoundSource * source);
+
+    nSoundBuffer * createBuffer(QString name);
+    nSoundBuffer * buffer(QString name);
+    bool destroyBuffer(QString name);
+    bool destroyBuffer(nSoundBuffer * buffer);
+
+
+    nSoundStreamer * createStreamer(QString name, nSoundSource * source, nSoundStreamerPlaylist * playlist = 0);
+    nSoundStreamerPlaylist * createStreamerPlaylist(QObject * parent);
+    nSoundStreamer * streamer(QString name);
+    bool destroyStreamer(QString name);
+    bool destroyStreamer(nSoundStreamer * streamer);
+
+private:
+    QHash<QString, nSoundSource*> m_sources;
+    QHash<QString, nSoundBuffer*> m_buffers;
+    QHash<QString, nSoundStreamer*> m_streamers;
+
+    nSoundListener * m_listener;
+
+    bool m_success;
+    int m_numSends;
+    ALCcontext * m_context;
+    ALCdevice * m_device;
+    qreal m_masterGain;
+};
+
+#endif // NSOUNDSYSTEM_H
diff --git a/src/qt/qtaudiostream.cpp b/src/qt/qtaudiostream.cpp
new file mode 100644 (file)
index 0000000..cb484e8
--- /dev/null
@@ -0,0 +1,122 @@
+#include "qtaudiostream.h"
+
+#include <QIODevice>
+#include <QAudioDecoder>
+#include <QCoreApplication>
+#include <QThread>
+#include <QtMath>
+
+nQtAudioStream::nQtAudioStream(QIODevice * dev, QObject *parent) :
+    nSoundStream(parent),
+    _device(dev),
+    _totalFrames(0),
+    _channels(0),
+    _frequency(0),
+    _format(SF_16BIT_STEREO)
+{
+    _decoder = 0;
+    _lastBufConsumedFrames = 0;
+
+    if(!dev->isOpen())
+        dev->open(QIODevice::ReadOnly);
+    _deviceBuf.buffer() = dev->readAll();
+    dev->close();
+
+    _decoder = new QAudioDecoder(this);
+    _decoder->setSourceDevice(&_deviceBuf);
+
+    _decoder->start();
+    QCoreApplication::processEvents();
+    while( !_decoder->state() == QAudioDecoder::StoppedState && !_decoder->bufferAvailable()) { QThread::msleep(1); }
+    _qtFormat = _decoder->audioFormat();
+    if(_qtFormat.sampleType() != QAudioFormat::UnSignedInt || _qtFormat.sampleSize() != 16)
+    {
+        int a = _qtFormat.sampleType(), b = _qtFormat.sampleSize();
+        QString codec = _qtFormat.codec();
+        _qtFormat.setSampleType(QAudioFormat::UnSignedInt);
+        _qtFormat.setSampleSize(16);
+        _decoder->stop();
+        _decoder->setAudioFormat(_qtFormat);
+        _decoder->start();
+    }
+
+    _qtFormat = _decoder->audioFormat();
+
+    _channels = _qtFormat.channelCount();
+    _frequency = _qtFormat.sampleRate();
+    _totalFrames = (_decoder->duration()) / _qtFormat.durationForFrames(1);
+
+    qDebug(QString("[nQtAudioStream] sample type ").arg(_qtFormat.sampleType()).toLocal8Bit());
+
+    switch (_channels) {
+    case 1:
+        _format = SF_16BIT_MONO;
+        break;
+    case 2:
+        _format = SF_16BIT_STEREO;
+        break;
+    default:
+        _format = SF_UNDEFINED;
+        break;
+    }
+
+
+}
+
+nQtAudioStream::~nQtAudioStream()
+{
+    _decoder->stop();
+    delete _decoder;
+
+}
+
+quint64 nQtAudioStream::read(void *data, unsigned long frames)
+{
+    quint64 readFrames = 0;
+
+    while (readFrames < frames)
+    {
+        bool finished = false;
+
+        if( (!_lastBuf.isValid()) || _lastBufConsumedFrames >= _lastBuf.frameCount() )
+        {
+            // get a new buffer
+
+            while(true)
+            {
+                if(_decoder->bufferAvailable())
+                {
+                    _lastBuf = _decoder->read();
+                    _lastBufConsumedFrames = 0;
+                    break;
+                }
+                else if(_decoder->state() == QAudioDecoder::StoppedState)
+                {
+                    finished = true;
+                    break;
+                }
+
+                QThread::msleep(1);
+            }
+
+        }
+
+        if(!finished)
+        {
+            int framesToConsume = qMin(frames - readFrames, (quint64) (_lastBuf.frameCount() - _lastBufConsumedFrames) );
+            const char* src = ((const char*) _lastBuf.data()) + _qtFormat.bytesForFrames(_lastBufConsumedFrames);
+            char* dst = ((char*) data) + _qtFormat.bytesForFrames(_lastBufConsumedFrames);
+
+            _lastBufConsumedFrames += framesToConsume;
+            readFrames += framesToConsume;
+        }
+    }
+
+    return readFrames;
+}
+
+void nQtAudioStream::rewind()
+{
+
+}
+
diff --git a/src/qt/qtaudiostream.h b/src/qt/qtaudiostream.h
new file mode 100644 (file)
index 0000000..9daf3d1
--- /dev/null
@@ -0,0 +1,51 @@
+#ifndef QTAUDIOSTREAM_H
+#define QTAUDIOSTREAM_H
+
+#include "../nSoundStream.h"
+#include <QAudioFormat>
+#include <QAudioBuffer>
+#include <QBuffer>
+
+
+class QIODevice;
+class QAudioDecoder;
+
+class nQtAudioStream : public nSoundStream
+{
+    Q_OBJECT
+public:
+    explicit nQtAudioStream(QIODevice * dev, QObject *parent = 0);
+    ~nQtAudioStream();
+
+signals:
+
+public slots:
+    virtual quint64 frames() { return _totalFrames; }
+    virtual int channels() { return _channels; }
+    virtual int frequency() { return _frequency; }
+
+    virtual nSoundFormat format() { return _format; }
+    virtual bool suggestStreaming() { return _totalFrames > 88200; }
+
+    virtual quint64 read(void* data, unsigned long frames);
+    virtual void rewind();
+
+
+private:
+    QIODevice * _device;
+    QBuffer _deviceBuf;
+
+    QAudioDecoder * _decoder;
+    QAudioFormat _qtFormat;
+    QAudioBuffer _lastBuf;
+    int _lastBufConsumedFrames;
+
+
+
+    quint64 _totalFrames;
+    int _channels;
+    int _frequency;
+    nSoundFormat _format;
+};
+
+#endif // QTAUDIOSTREAM_H
diff --git a/src/sndfile/nSndfileStream.cpp b/src/sndfile/nSndfileStream.cpp
new file mode 100644 (file)
index 0000000..0cf3b11
--- /dev/null
@@ -0,0 +1,163 @@
+#include "nSndfileStream.h"
+#include "sndfile.h"
+#include <cstdio>
+#include <QDataStream>
+#include "../nSoundBag.h"
+
+// SF_VIRTUAL_IO handler functions
+
+sf_count_t nSndfileStream_vio_filelen(void * userData)
+{
+    QIODevice * device = ((QIODevice*)userData);
+    sf_count_t size = device->size();
+    return size;
+}
+
+sf_count_t nSndfileStream_vio_seek(sf_count_t offset, int whence, void * userData)
+{
+    QIODevice * device = ((QIODevice*)userData);
+    switch(whence)
+    {
+    case SEEK_SET:
+        device->seek(offset);
+        return 0;
+
+    case SEEK_CUR:
+        device->seek(device->pos()+offset);
+        return 0;
+
+    case SEEK_END:
+        device->seek(device->size()-offset);
+        return 0;
+    }
+
+    return -1;
+}
+
+sf_count_t nSndfileStream_vio_read(void * ptr, sf_count_t count, void * userData)
+{
+    QIODevice * device = ((QIODevice*)userData);
+    return device->read((char*)ptr, count);
+}
+
+sf_count_t nSndfileStream_vio_write(const void * ptr, sf_count_t count, void * userData)
+{
+    // WRITING UNSUPPORTED
+    return -1;
+}
+
+sf_count_t nSndfileStream_vio_tell(void * userData)
+{
+    QIODevice * device = ((QIODevice*)userData);
+    sf_count_t pos = device->pos();
+    return pos;
+}
+
+
+
+
+
+
+// ------------------------
+// class nSndfileStream
+// ------------------------
+
+nSndfileStream::nSndfileStream(QString filename, QObject * parent)
+    :nSoundStream(parent)
+{
+    m_iodevice = 0;
+    m_ownsDevice = false;
+    m_virtualio = 0;
+    m_sndinfo = new SF_INFO();
+    ((SF_INFO*)m_sndinfo)->format = 0;
+
+    m_sndfile = sf_open(filename.toLocal8Bit(), SFM_READ, (SF_INFO*)m_sndinfo);
+    if(!m_sndfile)
+        throw QString("nSndfileStream::nSndfileStream(QString): Failed to open file: ")+filename;
+
+    fillInfo();
+}
+
+nSndfileStream::nSndfileStream(QIODevice * device, QObject * parent, bool ownsDevice)
+    :nSoundStream(parent), m_ownsDevice(ownsDevice)
+{
+    m_iodevice = device;
+    if(!m_iodevice->isOpen())
+        if(!m_iodevice->open(QIODevice::ReadOnly))
+            throw QString("nSndfileStream::nSndfileStream(QIODevice*): Failed to open device for reading.");
+
+    m_sndinfo = new SF_INFO();
+    ((SF_INFO*)m_sndinfo)->format = 0;
+    m_virtualio = new SF_VIRTUAL_IO();
+
+    //setup function pointers
+    SF_VIRTUAL_IO & vio = *((SF_VIRTUAL_IO*)m_virtualio);
+    vio.get_filelen = nSndfileStream_vio_filelen;
+    vio.read = nSndfileStream_vio_read;
+    vio.write = nSndfileStream_vio_write;
+    vio.seek = nSndfileStream_vio_seek;
+    vio.tell = nSndfileStream_vio_tell;
+
+    m_sndfile = sf_open_virtual((SF_VIRTUAL_IO*)m_virtualio, SFM_READ, (SF_INFO*)m_sndinfo, m_iodevice);
+
+    if(!m_sndfile)
+        throw QString("nSndfileStream::nSndfileStream(OgreStreamEtc...): Failed to open virtual stream.");
+
+    fillInfo();
+}
+
+nSndfileStream::~nSndfileStream()
+{
+    if(m_virtualio) delete ((SF_VIRTUAL_IO*)m_virtualio);
+
+    sf_close((SNDFILE*)m_sndfile);
+    delete m_sndinfo;
+
+    if(m_ownsDevice && m_iodevice)
+        delete m_iodevice;
+}
+
+nSoundBag * nSndfileStream::createSoundBag(QObject * parent)
+{
+    nSoundBag * bag = new nSoundBag(format(), m_info_frames, m_info_samplerate, parent);
+    read(bag->m_data, m_info_frames);
+    return bag;
+}
+
+void nSndfileStream::fillInfo()
+{
+    m_info_frames = (((SF_INFO*)(m_sndinfo)))->frames;
+    m_info_format = (((SF_INFO*)(m_sndinfo)))->format;
+    m_info_samplerate = (((SF_INFO*)(m_sndinfo)))->samplerate;
+    m_info_channels = (((SF_INFO*)(m_sndinfo)))->channels;
+    // nLog::defaultLog(QString("nSndFileStream: Created new stream, %1 frames, %2hz, %3s, %4 channels.").arg(m_info_frames).arg(m_info_samplerate).arg(((double)m_info_frames)/m_info_samplerate).arg(m_info_channels), nLog::LL_WHOGIVESAFUCKANYWAY);
+
+}
+
+nSoundFormat nSndfileStream::format()
+{
+    if(m_info_channels==1)
+        return SF_16BIT_MONO;
+
+    if(m_info_channels==2)
+        return SF_16BIT_STEREO;
+
+    return SF_UNDEFINED;
+}
+
+bool nSndfileStream::suggestStreaming()
+{
+    if( ((m_info_format & SF_FORMAT_VORBIS) != 0) || (m_info_frames > m_info_samplerate*5))
+        return true; //suggest stream if ogg vorbis or if larger than 5 seconds
+}
+
+
+void nSndfileStream::rewind()
+{
+    sf_seek((SNDFILE*)m_sndfile, 0, SEEK_SET);
+}
+
+quint64 nSndfileStream::read(void* data, unsigned long frames)
+{
+    return sf_readf_short((SNDFILE*)m_sndfile, (short*)data, frames);
+}
diff --git a/src/sndfile/nSndfileStream.h b/src/sndfile/nSndfileStream.h
new file mode 100644 (file)
index 0000000..2582b4b
--- /dev/null
@@ -0,0 +1,45 @@
+#ifndef NSNDFILESTREAM_H
+#define NSNDFILESTREAM_H
+
+#include "../nSoundStream.h"
+#include "../nSoundFormat.h"
+
+class QIODevice;
+class nSoundBag;
+
+class nSndfileStream : public nSoundStream
+{
+public:
+    nSndfileStream(QString filename, QObject * parent = 0);
+    nSndfileStream(QIODevice * stream, QObject * parent = 0, bool ownsDevice = true);
+    virtual ~nSndfileStream();
+
+    quint64 frames(){return m_info_frames;}
+    int channels(){return m_info_channels;}
+    int frequency(){return m_info_samplerate;}
+
+    nSoundBag * createSoundBag(QObject * parent = 0);
+
+    nSoundFormat format();
+    bool suggestStreaming();
+
+    void rewind();
+    quint64 read(void* data, unsigned long frames);
+
+private:
+    void fillInfo();
+
+    QIODevice * m_iodevice;
+    bool m_ownsDevice;
+    void * m_virtualio;
+
+    void * m_sndfile;
+    void * m_sndinfo;
+
+    int m_info_format;
+    quint64 m_info_frames;
+    int m_info_samplerate;
+    int m_info_channels;
+};
+
+#endif // NSNDFILESTREAM_H
diff --git a/src/stb_vorbis/nvorbisstream.cpp b/src/stb_vorbis/nvorbisstream.cpp
new file mode 100644 (file)
index 0000000..c148bd7
--- /dev/null
@@ -0,0 +1,83 @@
+#include "nvorbisstream.h"
+
+#include <QIODevice>
+#include "../nSoundBag.h"
+
+
+#define STB_VORBIS_MAX_CHANNELS     2
+#include "stb_vorbis.c"
+
+
+nVorbisStream::nVorbisStream(QIODevice * dev, QObject *parent) : nSoundStream(parent),
+    _device(dev),
+    m_error(false),
+    _totalFrames(0),
+    _channels(0),
+    _frequency(0),
+    _format(SF_16BIT_STEREO)
+{
+    _vorbis = 0;
+
+    if(!dev->isOpen())
+        dev->open(QIODevice::ReadOnly);
+
+    _qtBuf = dev->readAll();
+
+    dev->close();
+
+    if(_qtBuf.size())
+    {
+        _bufSize = _qtBuf.size();
+        _buf = _qtBuf.data();
+
+
+        int err = VORBIS__no_error;
+        _vorbis = stb_vorbis_open_memory((unsigned char*)_buf, _bufSize, &err,  0 );
+        if(!_vorbis || err != VORBIS__no_error)
+        {
+            qDebug(QStringLiteral("[nVorbisStream] Error initializing vorbis stream: %1").arg(err).toLocal8Bit());
+        }
+
+        stb_vorbis_info info = stb_vorbis_get_info(_vorbis);
+
+        _totalFrames = stb_vorbis_stream_length_in_samples(_vorbis);
+        _channels = _vorbis->channels;
+        _frequency = _vorbis->sample_rate;
+
+        switch (channels()) {
+        case 1:
+            _format = SF_16BIT_MONO;
+            break;
+        case 2:
+            _format = SF_16BIT_STEREO;
+            break;
+        default:
+            _format = SF_UNDEFINED;
+            break;
+        }
+    }
+    else
+    {
+        qDebug("[nVorbisStream] Error reading QIODevice");
+    }
+
+}
+
+nVorbisStream::~nVorbisStream()
+{
+    stb_vorbis_close(_vorbis);
+    _qtBuf.clear();
+}
+
+void nVorbisStream::rewind()
+{
+    if(_vorbis) stb_vorbis_seek_start(_vorbis);
+}
+
+quint64 nVorbisStream::read(void *data, unsigned long frames)
+{
+    if(!frames) return 0;
+    return stb_vorbis_get_samples_short_interleaved(_vorbis, _channels, (short*) data, frames * _channels );
+
+}
+
diff --git a/src/stb_vorbis/nvorbisstream.h b/src/stb_vorbis/nvorbisstream.h
new file mode 100644 (file)
index 0000000..7422ce2
--- /dev/null
@@ -0,0 +1,54 @@
+#ifndef NVORBISSTREAM_H
+#define NVORBISSTREAM_H
+
+#include "../nSoundStream.h"
+
+class QIODevice;
+class stb_vorbis;
+
+class nVorbisStream : public nSoundStream
+{
+    Q_OBJECT    
+    Q_PROPERTY(bool error READ error CONSTANT)
+public:
+    explicit nVorbisStream(QIODevice * device, QObject *parent = 0);
+    ~nVorbisStream();
+
+
+
+    bool error() const
+    {
+        return m_error;
+    }
+
+signals:
+
+public slots:
+    virtual quint64 frames() { return _totalFrames; }
+    virtual int channels() { return _channels; }
+    virtual int frequency() { return _frequency; }
+
+    virtual nSoundFormat format() { return _format; }
+    virtual bool suggestStreaming() { return _totalFrames > 88200; }
+
+    virtual quint64 read(void* data, unsigned long frames);
+    virtual void rewind();
+
+private:
+    QIODevice * _device;
+    QByteArray _qtBuf;
+    char * _buf;
+    int _bufSize;
+
+    stb_vorbis * _vorbis;
+
+    quint64 _totalFrames;
+    int _channels;
+    int _frequency;
+    nSoundFormat _format;
+
+
+    bool m_error;
+};
+
+#endif // NVORBISSTREAM_H
diff --git a/src/stb_vorbis/stb_vorbis.c b/src/stb_vorbis/stb_vorbis.c
new file mode 100644 (file)
index 0000000..1589e40
--- /dev/null
@@ -0,0 +1,5370 @@
+// Ogg Vorbis I audio decoder  -- version 0.99996
+//
+// Written in April 2007 by Sean Barrett, sponsored by RAD Game Tools.
+//
+// Placed in the public domain April 2007 by the author: no copyright is
+// claimed, and you may use it for any purpose you like.
+//
+// No warranty for any purpose is expressed or implied by the author (nor
+// by RAD Game Tools). Report bugs and send enhancements to the author.
+//
+// Get the latest version and other information at:
+//     http://nothings.org/stb_vorbis/
+
+
+// Todo:
+//
+//   - seeking (note you can seek yourself using the pushdata API)
+//
+// Limitations:
+//
+//   - floor 0 not supported (used in old ogg vorbis files)
+//   - lossless sample-truncation at beginning ignored
+//   - cannot concatenate multiple vorbis streams
+//   - sample positions are 32-bit, limiting seekable 192Khz
+//       files to around 6 hours (Ogg supports 64-bit)
+// 
+// All of these limitations may be removed in future versions.
+
+
+//////////////////////////////////////////////////////////////////////////////
+//
+//  HEADER BEGINS HERE
+//
+
+#ifndef STB_VORBIS_INCLUDE_STB_VORBIS_H
+#define STB_VORBIS_INCLUDE_STB_VORBIS_H
+
+#if defined(STB_VORBIS_NO_CRT) && !defined(STB_VORBIS_NO_STDIO)
+#define STB_VORBIS_NO_STDIO 1
+#endif
+
+#ifndef STB_VORBIS_NO_STDIO
+#include <stdio.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+///////////   THREAD SAFETY
+
+// Individual stb_vorbis* handles are not thread-safe; you cannot decode from
+// them from multiple threads at the same time. However, you can have multiple
+// stb_vorbis* handles and decode from them independently in multiple thrads.
+
+
+///////////   MEMORY ALLOCATION
+
+// normally stb_vorbis uses malloc() to allocate memory at startup,
+// and alloca() to allocate temporary memory during a frame on the
+// stack. (Memory consumption will depend on the amount of setup
+// data in the file and how you set the compile flags for speed
+// vs. size. In my test files the maximal-size usage is ~150KB.)
+//
+// You can modify the wrapper functions in the source (setup_malloc,
+// setup_temp_malloc, temp_malloc) to change this behavior, or you
+// can use a simpler allocation model: you pass in a buffer from
+// which stb_vorbis will allocate _all_ its memory (including the
+// temp memory). "open" may fail with a VORBIS_outofmem if you
+// do not pass in enough data; there is no way to determine how
+// much you do need except to succeed (at which point you can
+// query get_info to find the exact amount required. yes I know
+// this is lame).
+//
+// If you pass in a non-NULL buffer of the type below, allocation
+// will occur from it as described above. Otherwise just pass NULL
+// to use malloc()/alloca()
+
+typedef struct
+{
+   char *alloc_buffer;
+   int   alloc_buffer_length_in_bytes;
+} stb_vorbis_alloc;
+
+
+///////////   FUNCTIONS USEABLE WITH ALL INPUT MODES
+
+typedef struct stb_vorbis stb_vorbis;
+
+typedef struct
+{
+   unsigned int sample_rate;
+   int channels;
+
+   unsigned int setup_memory_required;
+   unsigned int setup_temp_memory_required;
+   unsigned int temp_memory_required;
+
+   int max_frame_size;
+} stb_vorbis_info;
+
+// get general information about the file
+extern stb_vorbis_info stb_vorbis_get_info(stb_vorbis *f);
+
+// get the last error detected (clears it, too)
+extern int stb_vorbis_get_error(stb_vorbis *f);
+
+// close an ogg vorbis file and free all memory in use
+extern void stb_vorbis_close(stb_vorbis *f);
+
+// this function returns the offset (in samples) from the beginning of the
+// file that will be returned by the next decode, if it is known, or -1
+// otherwise. after a flush_pushdata() call, this may take a while before
+// it becomes valid again.
+// NOT WORKING YET after a seek with PULLDATA API
+extern int stb_vorbis_get_sample_offset(stb_vorbis *f);
+
+// returns the current seek point within the file, or offset from the beginning
+// of the memory buffer. In pushdata mode it returns 0.
+extern unsigned int stb_vorbis_get_file_offset(stb_vorbis *f);
+
+///////////   PUSHDATA API
+
+#ifndef STB_VORBIS_NO_PUSHDATA_API
+
+// this API allows you to get blocks of data from any source and hand
+// them to stb_vorbis. you have to buffer them; stb_vorbis will tell
+// you how much it used, and you have to give it the rest next time;
+// and stb_vorbis may not have enough data to work with and you will
+// need to give it the same data again PLUS more. Note that the Vorbis
+// specification does not bound the size of an individual frame.
+
+extern stb_vorbis *stb_vorbis_open_pushdata(
+         unsigned char *datablock, int datablock_length_in_bytes,
+         int *datablock_memory_consumed_in_bytes,
+         int *error,
+         stb_vorbis_alloc *alloc_buffer);
+// create a vorbis decoder by passing in the initial data block containing
+//    the ogg&vorbis headers (you don't need to do parse them, just provide
+//    the first N bytes of the file--you're told if it's not enough, see below)
+// on success, returns an stb_vorbis *, does not set error, returns the amount of
+//    data parsed/consumed on this call in *datablock_memory_consumed_in_bytes;
+// on failure, returns NULL on error and sets *error, does not change *datablock_memory_consumed
+// if returns NULL and *error is VORBIS_need_more_data, then the input block was
+//       incomplete and you need to pass in a larger block from the start of the file
+
+extern int stb_vorbis_decode_frame_pushdata(
+         stb_vorbis *f, unsigned char *datablock, int datablock_length_in_bytes,
+         int *channels,             // place to write number of float * buffers
+         float ***output,           // place to write float ** array of float * buffers
+         int *samples               // place to write number of output samples
+     );
+// decode a frame of audio sample data if possible from the passed-in data block
+//
+// return value: number of bytes we used from datablock
+// possible cases:
+//     0 bytes used, 0 samples output (need more data)
+//     N bytes used, 0 samples output (resynching the stream, keep going)
+//     N bytes used, M samples output (one frame of data)
+// note that after opening a file, you will ALWAYS get one N-bytes,0-sample
+// frame, because Vorbis always "discards" the first frame.
+//
+// Note that on resynch, stb_vorbis will rarely consume all of the buffer,
+// instead only datablock_length_in_bytes-3 or less. This is because it wants
+// to avoid missing parts of a page header if they cross a datablock boundary,
+// without writing state-machiney code to record a partial detection.
+//
+// The number of channels returned are stored in *channels (which can be
+// NULL--it is always the same as the number of channels reported by
+// get_info). *output will contain an array of float* buffers, one per
+// channel. In other words, (*output)[0][0] contains the first sample from
+// the first channel, and (*output)[1][0] contains the first sample from
+// the second channel.
+
+extern void stb_vorbis_flush_pushdata(stb_vorbis *f);
+// inform stb_vorbis that your next datablock will not be contiguous with
+// previous ones (e.g. you've seeked in the data); future attempts to decode
+// frames will cause stb_vorbis to resynchronize (as noted above), and
+// once it sees a valid Ogg page (typically 4-8KB, as large as 64KB), it
+// will begin decoding the _next_ frame.
+//
+// if you want to seek using pushdata, you need to seek in your file, then
+// call stb_vorbis_flush_pushdata(), then start calling decoding, then once
+// decoding is returning you data, call stb_vorbis_get_sample_offset, and
+// if you don't like the result, seek your file again and repeat.
+#endif
+
+
+//////////   PULLING INPUT API
+
+#ifndef STB_VORBIS_NO_PULLDATA_API
+// This API assumes stb_vorbis is allowed to pull data from a source--
+// either a block of memory containing the _entire_ vorbis stream, or a
+// FILE * that you or it create, or possibly some other reading mechanism
+// if you go modify the source to replace the FILE * case with some kind
+// of callback to your code. (But if you don't support seeking, you may
+// just want to go ahead and use pushdata.)
+
+#if !defined(STB_VORBIS_NO_STDIO) && !defined(STB_VORBIS_NO_INTEGER_CONVERSION)
+extern int stb_vorbis_decode_filename(char *filename, int *channels, short **output);
+#endif
+extern int stb_vorbis_decode_memory(unsigned char *mem, int len, int *channels, short **output);
+// decode an entire file and output the data interleaved into a malloc()ed
+// buffer stored in *output. The return value is the number of samples
+// decoded, or -1 if the file could not be opened or was not an ogg vorbis file.
+// When you're done with it, just free() the pointer returned in *output.
+
+extern stb_vorbis * stb_vorbis_open_memory(unsigned char *data, int len,
+                                  int *error, stb_vorbis_alloc *alloc_buffer);
+// create an ogg vorbis decoder from an ogg vorbis stream in memory (note
+// this must be the entire stream!). on failure, returns NULL and sets *error
+
+#ifndef STB_VORBIS_NO_STDIO
+extern stb_vorbis * stb_vorbis_open_filename(char *filename,
+                                  int *error, stb_vorbis_alloc *alloc_buffer);
+// create an ogg vorbis decoder from a filename via fopen(). on failure,
+// returns NULL and sets *error (possibly to VORBIS_file_open_failure).
+
+extern stb_vorbis * stb_vorbis_open_file(FILE *f, int close_handle_on_close,
+                                  int *error, stb_vorbis_alloc *alloc_buffer);
+// create an ogg vorbis decoder from an open FILE *, looking for a stream at
+// the _current_ seek point (ftell). on failure, returns NULL and sets *error.
+// note that stb_vorbis must "own" this stream; if you seek it in between
+// calls to stb_vorbis, it will become confused. Morever, if you attempt to
+// perform stb_vorbis_seek_*() operations on this file, it will assume it
+// owns the _entire_ rest of the file after the start point. Use the next
+// function, stb_vorbis_open_file_section(), to limit it.
+
+extern stb_vorbis * stb_vorbis_open_file_section(FILE *f, int close_handle_on_close,
+                int *error, stb_vorbis_alloc *alloc_buffer, unsigned int len);
+// create an ogg vorbis decoder from an open FILE *, looking for a stream at
+// the _current_ seek point (ftell); the stream will be of length 'len' bytes.
+// on failure, returns NULL and sets *error. note that stb_vorbis must "own"
+// this stream; if you seek it in between calls to stb_vorbis, it will become
+// confused.
+#endif
+
+extern int stb_vorbis_seek_frame(stb_vorbis *f, unsigned int sample_number);
+extern int stb_vorbis_seek(stb_vorbis *f, unsigned int sample_number);
+// NOT WORKING YET
+// these functions seek in the Vorbis file to (approximately) 'sample_number'.
+// after calling seek_frame(), the next call to get_frame_*() will include
+// the specified sample. after calling stb_vorbis_seek(), the next call to
+// stb_vorbis_get_samples_* will start with the specified sample. If you
+// do not need to seek to EXACTLY the target sample when using get_samples_*,
+// you can also use seek_frame().
+
+extern void stb_vorbis_seek_start(stb_vorbis *f);
+// this function is equivalent to stb_vorbis_seek(f,0), but it
+// actually works
+
+extern unsigned int stb_vorbis_stream_length_in_samples(stb_vorbis *f);
+extern float        stb_vorbis_stream_length_in_seconds(stb_vorbis *f);
+// these functions return the total length of the vorbis stream
+
+extern int stb_vorbis_get_frame_float(stb_vorbis *f, int *channels, float ***output);
+// decode the next frame and return the number of samples. the number of
+// channels returned are stored in *channels (which can be NULL--it is always
+// the same as the number of channels reported by get_info). *output will
+// contain an array of float* buffers, one per channel. These outputs will
+// be overwritten on the next call to stb_vorbis_get_frame_*.
+//
+// You generally should not intermix calls to stb_vorbis_get_frame_*()
+// and stb_vorbis_get_samples_*(), since the latter calls the former.
+
+#ifndef STB_VORBIS_NO_INTEGER_CONVERSION
+extern int stb_vorbis_get_frame_short_interleaved(stb_vorbis *f, int num_c, short *buffer, int num_shorts);
+extern int stb_vorbis_get_frame_short            (stb_vorbis *f, int num_c, short **buffer, int num_samples);
+#endif
+// decode the next frame and return the number of samples per channel. the
+// data is coerced to the number of channels you request according to the
+// channel coercion rules (see below). You must pass in the size of your
+// buffer(s) so that stb_vorbis will not overwrite the end of the buffer.
+// The maximum buffer size needed can be gotten from get_info(); however,
+// the Vorbis I specification implies an absolute maximum of 4096 samples
+// per channel. Note that for interleaved data, you pass in the number of
+// shorts (the size of your array), but the return value is the number of
+// samples per channel, not the total number of samples.
+
+// Channel coercion rules:
+//    Let M be the number of channels requested, and N the number of channels present,
+//    and Cn be the nth channel; let stereo L be the sum of all L and center channels,
+//    and stereo R be the sum of all R and center channels (channel assignment from the
+//    vorbis spec).
+//        M    N       output
+//        1    k      sum(Ck) for all k
+//        2    *      stereo L, stereo R
+//        k    l      k > l, the first l channels, then 0s
+//        k    l      k <= l, the first k channels
+//    Note that this is not _good_ surround etc. mixing at all! It's just so
+//    you get something useful.
+
+extern int stb_vorbis_get_samples_float_interleaved(stb_vorbis *f, int channels, float *buffer, int num_floats);
+extern int stb_vorbis_get_samples_float(stb_vorbis *f, int channels, float **buffer, int num_samples);
+// gets num_samples samples, not necessarily on a frame boundary--this requires
+// buffering so you have to supply the buffers. DOES NOT APPLY THE COERCION RULES.
+// Returns the number of samples stored per channel; it may be less than requested
+// at the end of the file. If there are no more samples in the file, returns 0.
+
+#ifndef STB_VORBIS_NO_INTEGER_CONVERSION
+extern int stb_vorbis_get_samples_short_interleaved(stb_vorbis *f, int channels, short *buffer, int num_shorts);
+extern int stb_vorbis_get_samples_short(stb_vorbis *f, int channels, short **buffer, int num_samples);
+#endif
+// gets num_samples samples, not necessarily on a frame boundary--this requires
+// buffering so you have to supply the buffers. Applies the coercion rules above
+// to produce 'channels' channels. Returns the number of samples stored per channel;
+// it may be less than requested at the end of the file. If there are no more
+// samples in the file, returns 0.
+
+#endif
+
+////////   ERROR CODES
+
+enum STBVorbisError
+{
+   VORBIS__no_error,
+
+   VORBIS_need_more_data=1,             // not a real error
+
+   VORBIS_invalid_api_mixing,           // can't mix API modes
+   VORBIS_outofmem,                     // not enough memory
+   VORBIS_feature_not_supported,        // uses floor 0
+   VORBIS_too_many_channels,            // STB_VORBIS_MAX_CHANNELS is too small
+   VORBIS_file_open_failure,            // fopen() failed
+   VORBIS_seek_without_length,          // can't seek in unknown-length file
+
+   VORBIS_unexpected_eof=10,            // file is truncated?
+   VORBIS_seek_invalid,                 // seek past EOF
+
+   // decoding errors (corrupt/invalid stream) -- you probably
+   // don't care about the exact details of these
+
+   // vorbis errors:
+   VORBIS_invalid_setup=20,
+   VORBIS_invalid_stream,
+
+   // ogg errors:
+   VORBIS_missing_capture_pattern=30,
+   VORBIS_invalid_stream_structure_version,
+   VORBIS_continued_packet_flag_invalid,
+   VORBIS_incorrect_stream_serial_number,
+   VORBIS_invalid_first_page,
+   VORBIS_bad_packet_type,
+   VORBIS_cant_find_last_page,
+   VORBIS_seek_failed,
+};
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // STB_VORBIS_INCLUDE_STB_VORBIS_H
+//
+//  HEADER ENDS HERE
+//
+//////////////////////////////////////////////////////////////////////////////
+
+#ifndef STB_VORBIS_HEADER_ONLY
+
+// global configuration settings (e.g. set these in the project/makefile),
+// or just set them in this file at the top (although ideally the first few
+// should be visible when the header file is compiled too, although it's not
+// crucial)
+
+// STB_VORBIS_NO_PUSHDATA_API
+//     does not compile the code for the various stb_vorbis_*_pushdata()
+//     functions
+// #define STB_VORBIS_NO_PUSHDATA_API
+
+// STB_VORBIS_NO_PULLDATA_API
+//     does not compile the code for the non-pushdata APIs
+// #define STB_VORBIS_NO_PULLDATA_API
+
+// STB_VORBIS_NO_STDIO
+//     does not compile the code for the APIs that use FILE *s internally
+//     or externally (implied by STB_VORBIS_NO_PULLDATA_API)
+// #define STB_VORBIS_NO_STDIO
+
+// STB_VORBIS_NO_INTEGER_CONVERSION
+//     does not compile the code for converting audio sample data from
+//     float to integer (implied by STB_VORBIS_NO_PULLDATA_API)
+// #define STB_VORBIS_NO_INTEGER_CONVERSION
+
+// STB_VORBIS_NO_FAST_SCALED_FLOAT
+//      does not use a fast float-to-int trick to accelerate float-to-int on
+//      most platforms which requires endianness be defined correctly.
+//#define STB_VORBIS_NO_FAST_SCALED_FLOAT
+
+
+// STB_VORBIS_MAX_CHANNELS [number]
+//     globally define this to the maximum number of channels you need.
+//     The spec does not put a restriction on channels except that
+//     the count is stored in a byte, so 255 is the hard limit.
+//     Reducing this saves about 16 bytes per value, so using 16 saves
+//     (255-16)*16 or around 4KB. Plus anything other memory usage
+//     I forgot to account for. Can probably go as low as 8 (7.1 audio),
+//     6 (5.1 audio), or 2 (stereo only).
+#ifndef STB_VORBIS_MAX_CHANNELS
+#define STB_VORBIS_MAX_CHANNELS    16  // enough for anyone?
+#endif
+
+// STB_VORBIS_PUSHDATA_CRC_COUNT [number]
+//     after a flush_pushdata(), stb_vorbis begins scanning for the
+//     next valid page, without backtracking. when it finds something
+//     that looks like a page, it streams through it and verifies its
+//     CRC32. Should that validation fail, it keeps scanning. But it's
+//     possible that _while_ streaming through to check the CRC32 of
+//     one candidate page, it sees another candidate page. This #define
+//     determines how many "overlapping" candidate pages it can search
+//     at once. Note that "real" pages are typically ~4KB to ~8KB, whereas
+//     garbage pages could be as big as 64KB, but probably average ~16KB.
+//     So don't hose ourselves by scanning an apparent 64KB page and
+//     missing a ton of real ones in the interim; so minimum of 2
+#ifndef STB_VORBIS_PUSHDATA_CRC_COUNT
+#define STB_VORBIS_PUSHDATA_CRC_COUNT  4
+#endif
+
+// STB_VORBIS_FAST_HUFFMAN_LENGTH [number]
+//     sets the log size of the huffman-acceleration table.  Maximum
+//     supported value is 24. with larger numbers, more decodings are O(1),
+//     but the table size is larger so worse cache missing, so you'll have
+//     to probe (and try multiple ogg vorbis files) to find the sweet spot.
+#ifndef STB_VORBIS_FAST_HUFFMAN_LENGTH
+#define STB_VORBIS_FAST_HUFFMAN_LENGTH   10
+#endif
+
+// STB_VORBIS_FAST_BINARY_LENGTH [number]
+//     sets the log size of the binary-search acceleration table. this
+//     is used in similar fashion to the fast-huffman size to set initial
+//     parameters for the binary search
+
+// STB_VORBIS_FAST_HUFFMAN_INT
+//     The fast huffman tables are much more efficient if they can be
+//     stored as 16-bit results instead of 32-bit results. This restricts
+//     the codebooks to having only 65535 possible outcomes, though.
+//     (At least, accelerated by the huffman table.)
+#ifndef STB_VORBIS_FAST_HUFFMAN_INT
+#define STB_VORBIS_FAST_HUFFMAN_SHORT
+#endif
+
+// STB_VORBIS_NO_HUFFMAN_BINARY_SEARCH
+//     If the 'fast huffman' search doesn't succeed, then stb_vorbis falls
+//     back on binary searching for the correct one. This requires storing
+//     extra tables with the huffman codes in sorted order. Defining this
+//     symbol trades off space for speed by forcing a linear search in the
+//     non-fast case, except for "sparse" codebooks.
+// #define STB_VORBIS_NO_HUFFMAN_BINARY_SEARCH
+
+// STB_VORBIS_DIVIDES_IN_RESIDUE
+//     stb_vorbis precomputes the result of the scalar residue decoding
+//     that would otherwise require a divide per chunk. you can trade off
+//     space for time by defining this symbol.
+// #define STB_VORBIS_DIVIDES_IN_RESIDUE
+
+// STB_VORBIS_DIVIDES_IN_CODEBOOK
+//     vorbis VQ codebooks can be encoded two ways: with every case explicitly
+//     stored, or with all elements being chosen from a small range of values,
+//     and all values possible in all elements. By default, stb_vorbis expands
+//     this latter kind out to look like the former kind for ease of decoding,
+//     because otherwise an integer divide-per-vector-element is required to
+//     unpack the index. If you define STB_VORBIS_DIVIDES_IN_CODEBOOK, you can
+//     trade off storage for speed.
+//#define STB_VORBIS_DIVIDES_IN_CODEBOOK
+
+// STB_VORBIS_CODEBOOK_SHORTS
+//     The vorbis file format encodes VQ codebook floats as ax+b where a and
+//     b are floating point per-codebook constants, and x is a 16-bit int.
+//     Normally, stb_vorbis decodes them to floats rather than leaving them
+//     as 16-bit ints and computing ax+b while decoding. This is a speed/space
+//     tradeoff; you can save space by defining this flag.
+#ifndef STB_VORBIS_CODEBOOK_SHORTS
+#define STB_VORBIS_CODEBOOK_FLOATS
+#endif
+
+// STB_VORBIS_DIVIDE_TABLE
+//     this replaces small integer divides in the floor decode loop with
+//     table lookups. made less than 1% difference, so disabled by default.
+
+// STB_VORBIS_NO_INLINE_DECODE
+//     disables the inlining of the scalar codebook fast-huffman decode.
+//     might save a little codespace; useful for debugging
+// #define STB_VORBIS_NO_INLINE_DECODE
+
+// STB_VORBIS_NO_DEFER_FLOOR
+//     Normally we only decode the floor without synthesizing the actual
+//     full curve. We can instead synthesize the curve immediately. This
+//     requires more memory and is very likely slower, so I don't think
+//     you'd ever want to do it except for debugging.
+// #define STB_VORBIS_NO_DEFER_FLOOR
+
+
+
+
+//////////////////////////////////////////////////////////////////////////////
+
+#ifdef STB_VORBIS_NO_PULLDATA_API
+   #define STB_VORBIS_NO_INTEGER_CONVERSION
+   #define STB_VORBIS_NO_STDIO
+#endif
+
+#if defined(STB_VORBIS_NO_CRT) && !defined(STB_VORBIS_NO_STDIO)
+   #define STB_VORBIS_NO_STDIO 1
+#endif
+
+#ifndef STB_VORBIS_NO_INTEGER_CONVERSION
+#ifndef STB_VORBIS_NO_FAST_SCALED_FLOAT
+
+   // only need endianness for fast-float-to-int, which we don't
+   // use for pushdata
+
+   #ifndef STB_VORBIS_BIG_ENDIAN
+     #define STB_VORBIS_ENDIAN  0
+   #else
+     #define STB_VORBIS_ENDIAN  1
+   #endif
+
+#endif
+#endif
+
+
+#ifndef STB_VORBIS_NO_STDIO
+#include <stdio.h>
+#endif
+
+#ifndef STB_VORBIS_NO_CRT
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <math.h>
+#if !(defined(__APPLE__) || defined(MACOSX) || defined(macintosh) || defined(Macintosh))
+#include <malloc.h>
+#endif
+#else
+#define NULL 0
+#endif
+
+#ifndef _MSC_VER
+   #if __GNUC__
+      #define __forceinline inline
+   #else
+      #define __forceinline
+   #endif
+#endif
+
+#if STB_VORBIS_MAX_CHANNELS > 256
+#error "Value of STB_VORBIS_MAX_CHANNELS outside of allowed range"
+#endif
+
+#if STB_VORBIS_FAST_HUFFMAN_LENGTH > 24
+#error "Value of STB_VORBIS_FAST_HUFFMAN_LENGTH outside of allowed range"
+#endif
+
+
+#define MAX_BLOCKSIZE_LOG  13   // from specification
+#define MAX_BLOCKSIZE      (1 << MAX_BLOCKSIZE_LOG)
+
+
+typedef unsigned char  uint8;
+typedef   signed char   int8;
+typedef unsigned short uint16;
+typedef   signed short  int16;
+typedef unsigned int   uint32;
+typedef   signed int    int32;
+
+#ifndef TRUE
+#define TRUE 1
+#define FALSE 0
+#endif
+
+#ifdef STB_VORBIS_CODEBOOK_FLOATS
+typedef float codetype;
+#else
+typedef uint16 codetype;
+#endif
+
+// @NOTE
+//
+// Some arrays below are tagged "//varies", which means it's actually
+// a variable-sized piece of data, but rather than malloc I assume it's
+// small enough it's better to just allocate it all together with the
+// main thing
+//
+// Most of the variables are specified with the smallest size I could pack
+// them into. It might give better performance to make them all full-sized
+// integers. It should be safe to freely rearrange the structures or change
+// the sizes larger--nothing relies on silently truncating etc., nor the
+// order of variables.
+
+#define FAST_HUFFMAN_TABLE_SIZE   (1 << STB_VORBIS_FAST_HUFFMAN_LENGTH)
+#define FAST_HUFFMAN_TABLE_MASK   (FAST_HUFFMAN_TABLE_SIZE - 1)
+
+typedef struct
+{
+   int dimensions, entries;
+   uint8 *codeword_lengths;
+   float  minimum_value;
+   float  delta_value;
+   uint8  value_bits;
+   uint8  lookup_type;
+   uint8  sequence_p;
+   uint8  sparse;
+   uint32 lookup_values;
+   codetype *multiplicands;
+   uint32 *codewords;
+   #ifdef STB_VORBIS_FAST_HUFFMAN_SHORT
+    int16  fast_huffman[FAST_HUFFMAN_TABLE_SIZE];
+   #else
+    int32  fast_huffman[FAST_HUFFMAN_TABLE_SIZE];
+   #endif
+   uint32 *sorted_codewords;
+   int    *sorted_values;
+   int     sorted_entries;
+} Codebook;
+
+typedef struct
+{
+   uint8 order;
+   uint16 rate;
+   uint16 bark_map_size;
+   uint8 amplitude_bits;
+   uint8 amplitude_offset;
+   uint8 number_of_books;
+   uint8 book_list[16]; // varies
+} Floor0;
+
+typedef struct
+{
+   uint8 partitions;
+   uint8 partition_class_list[32]; // varies
+   uint8 class_dimensions[16]; // varies
+   uint8 class_subclasses[16]; // varies
+   uint8 class_masterbooks[16]; // varies
+   int16 subclass_books[16][8]; // varies
+   uint16 Xlist[31*8+2]; // varies
+   uint8 sorted_order[31*8+2];
+   uint8 neighbors[31*8+2][2];
+   uint8 floor1_multiplier;
+   uint8 rangebits;
+   int values;
+} Floor1;
+
+typedef union
+{
+   Floor0 floor0;
+   Floor1 floor1;
+} Floor;
+
+typedef struct
+{
+   uint32 begin, end;
+   uint32 part_size;
+   uint8 classifications;
+   uint8 classbook;
+   uint8 **classdata;
+   int16 (*residue_books)[8];
+} Residue;
+
+typedef struct
+{
+   uint8 magnitude;
+   uint8 angle;
+   uint8 mux;
+} MappingChannel;
+
+typedef struct
+{
+   uint16 coupling_steps;
+   MappingChannel *chan;
+   uint8  submaps;
+   uint8  submap_floor[15]; // varies
+   uint8  submap_residue[15]; // varies
+} Mapping;
+
+typedef struct
+{
+   uint8 blockflag;
+   uint8 mapping;
+   uint16 windowtype;
+   uint16 transformtype;
+} Mode;
+
+typedef struct
+{
+   uint32  goal_crc;    // expected crc if match
+   int     bytes_left;  // bytes left in packet
+   uint32  crc_so_far;  // running crc
+   int     bytes_done;  // bytes processed in _current_ chunk
+   uint32  sample_loc;  // granule pos encoded in page
+} CRCscan;
+
+typedef struct
+{
+   uint32 page_start, page_end;
+   uint32 after_previous_page_start;
+   uint32 first_decoded_sample;
+   uint32 last_decoded_sample;
+} ProbedPage;
+
+struct stb_vorbis
+{
+  // user-accessible info
+   unsigned int sample_rate;
+   int channels;
+
+   unsigned int setup_memory_required;
+   unsigned int temp_memory_required;
+   unsigned int setup_temp_memory_required;
+
+  // input config
+#ifndef STB_VORBIS_NO_STDIO
+   FILE *f;
+   uint32 f_start;
+   int close_on_free;
+#endif
+
+   uint8 *stream;
+   uint8 *stream_start;
+   uint8 *stream_end;
+
+   uint32 stream_len;
+
+   uint8  push_mode;
+
+   uint32 first_audio_page_offset;
+
+   ProbedPage p_first, p_last;
+
+  // memory management
+   stb_vorbis_alloc alloc;
+   int setup_offset;
+   int temp_offset;
+
+  // run-time results
+   int eof;
+   enum STBVorbisError error;
+
+  // user-useful data
+
+  // header info
+   int blocksize[2];
+   int blocksize_0, blocksize_1;
+   int codebook_count;
+   Codebook *codebooks;
+   int floor_count;
+   uint16 floor_types[64]; // varies
+   Floor *floor_config;
+   int residue_count;
+   uint16 residue_types[64]; // varies
+   Residue *residue_config;
+   int mapping_count;
+   Mapping *mapping;
+   int mode_count;
+   Mode mode_config[64];  // varies
+
+   uint32 total_samples;
+
+  // decode buffer
+   float *channel_buffers[STB_VORBIS_MAX_CHANNELS];
+   float *outputs        [STB_VORBIS_MAX_CHANNELS];
+
+   float *previous_window[STB_VORBIS_MAX_CHANNELS];
+   int previous_length;
+
+   #ifndef STB_VORBIS_NO_DEFER_FLOOR
+   int16 *finalY[STB_VORBIS_MAX_CHANNELS];
+   #else
+   float *floor_buffers[STB_VORBIS_MAX_CHANNELS];
+   #endif
+
+   uint32 current_loc; // sample location of next frame to decode
+   int    current_loc_valid;
+
+  // per-blocksize precomputed data
+   
+   // twiddle factors
+   float *A[2],*B[2],*C[2];
+   float *window[2];
+   uint16 *bit_reverse[2];
+
+  // current page/packet/segment streaming info
+   uint32 serial; // stream serial number for verification
+   int last_page;
+   int segment_count;
+   uint8 segments[255];
+   uint8 page_flag;
+   uint8 bytes_in_seg;
+   uint8 first_decode;
+   int next_seg;
+   int last_seg;  // flag that we're on the last segment
+   int last_seg_which; // what was the segment number of the last seg?
+   uint32 acc;
+   int valid_bits;
+   int packet_bytes;
+   int end_seg_with_known_loc;
+   uint32 known_loc_for_packet;
+   int discard_samples_deferred;
+   uint32 samples_output;
+
+  // push mode scanning
+   int page_crc_tests; // only in push_mode: number of tests active; -1 if not searching
+#ifndef STB_VORBIS_NO_PUSHDATA_API
+   CRCscan scan[STB_VORBIS_PUSHDATA_CRC_COUNT];
+#endif
+
+  // sample-access
+   int channel_buffer_start;
+   int channel_buffer_end;
+};
+
+extern int my_prof(int slot);
+//#define stb_prof my_prof
+
+#ifndef stb_prof
+#define stb_prof(x)  0
+#endif
+
+#if defined(STB_VORBIS_NO_PUSHDATA_API)
+   #define IS_PUSH_MODE(f)   FALSE
+#elif defined(STB_VORBIS_NO_PULLDATA_API)
+   #define IS_PUSH_MODE(f)   TRUE
+#else
+   #define IS_PUSH_MODE(f)   ((f)->push_mode)
+#endif
+
+typedef struct stb_vorbis vorb;
+
+static int error(vorb *f, enum STBVorbisError e)
+{
+   f->error = e;
+   if (!f->eof && e != VORBIS_need_more_data) {
+      f->error=e; // breakpoint for debugging
+   }
+   return 0;
+}
+
+
+// these functions are used for allocating temporary memory
+// while decoding. if you can afford the stack space, use
+// alloca(); otherwise, provide a temp buffer and it will
+// allocate out of those.
+
+#define array_size_required(count,size)  (count*(sizeof(void *)+(size)))
+
+#define temp_alloc(f,size)              (f->alloc.alloc_buffer ? setup_temp_malloc(f,size) : alloca(size))
+#ifdef dealloca
+#define temp_free(f,p)                  (f->alloc.alloc_buffer ? 0 : dealloca(size))
+#else
+#define temp_free(f,p)                  0
+#endif
+#define temp_alloc_save(f)              ((f)->temp_offset)
+#define temp_alloc_restore(f,p)         ((f)->temp_offset = (p))
+
+#define temp_block_array(f,count,size)  make_block_array(temp_alloc(f,array_size_required(count,size)), count, size)
+
+// given a sufficiently large block of memory, make an array of pointers to subblocks of it
+static void *make_block_array(void *mem, int count, int size)
+{
+   int i;
+   void ** p = (void **) mem;
+   char *q = (char *) (p + count);
+   for (i=0; i < count; ++i) {
+      p[i] = q;
+      q += size;
+   }
+   return p;
+}
+
+static void *setup_malloc(vorb *f, int sz)
+{
+   sz = (sz+3) & ~3;
+   f->setup_memory_required += sz;
+   if (f->alloc.alloc_buffer) {
+      void *p = (char *) f->alloc.alloc_buffer + f->setup_offset;
+      if (f->setup_offset + sz > f->temp_offset) return NULL;
+      f->setup_offset += sz;
+      return p;
+   }
+   return sz ? malloc(sz) : NULL;
+}
+
+static void setup_free(vorb *f, void *p)
+{
+   if (f->alloc.alloc_buffer) return; // do nothing; setup mem is not a stack
+   free(p);
+}
+
+static void *setup_temp_malloc(vorb *f, int sz)
+{
+   sz = (sz+3) & ~3;
+   if (f->alloc.alloc_buffer) {
+      if (f->temp_offset - sz < f->setup_offset) return NULL;
+      f->temp_offset -= sz;
+      return (char *) f->alloc.alloc_buffer + f->temp_offset;
+   }
+   return malloc(sz);
+}
+
+static void setup_temp_free(vorb *f, void *p, size_t sz)
+{
+   if (f->alloc.alloc_buffer) {
+      f->temp_offset += (sz+3)&~3;
+      return;
+   }
+   free(p);
+}
+
+#define CRC32_POLY    0x04c11db7   // from spec
+
+static uint32 crc_table[256];
+static void crc32_init(void)
+{
+   int i,j;
+   uint32 s;
+   for(i=0; i < 256; i++) {
+      for (s=i<<24, j=0; j < 8; ++j)
+         s = (s << 1) ^ (s >= (1<<31) ? CRC32_POLY : 0);
+      crc_table[i] = s;
+   }
+}
+
+static __forceinline uint32 crc32_update(uint32 crc, uint8 byte)
+{
+   return (crc << 8) ^ crc_table[byte ^ (crc >> 24)];
+}
+
+
+// used in setup, and for huffman that doesn't go fast path
+static unsigned int bit_reverse(unsigned int n)
+{
+  n = ((n & 0xAAAAAAAA) >>  1) | ((n & 0x55555555) << 1);
+  n = ((n & 0xCCCCCCCC) >>  2) | ((n & 0x33333333) << 2);
+  n = ((n & 0xF0F0F0F0) >>  4) | ((n & 0x0F0F0F0F) << 4);
+  n = ((n & 0xFF00FF00) >>  8) | ((n & 0x00FF00FF) << 8);
+  return (n >> 16) | (n << 16);
+}
+
+static float square(float x)
+{
+   return x*x;
+}
+
+// this is a weird definition of log2() for which log2(1) = 1, log2(2) = 2, log2(4) = 3
+// as required by the specification. fast(?) implementation from stb.h
+// @OPTIMIZE: called multiple times per-packet with "constants"; move to setup
+static int ilog(int32 n)
+{
+   static signed char log2_4[16] = { 0,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4 };
+
+   // 2 compares if n < 16, 3 compares otherwise (4 if signed or n > 1<<29)
+   if (n < (1U << 14))
+        if (n < (1U <<  4))        return     0 + log2_4[n      ];
+        else if (n < (1U <<  9))      return  5 + log2_4[n >>  5];
+             else                     return 10 + log2_4[n >> 10];
+   else if (n < (1U << 24))
+             if (n < (1U << 19))      return 15 + log2_4[n >> 15];
+             else                     return 20 + log2_4[n >> 20];
+        else if (n < (1U << 29))      return 25 + log2_4[n >> 25];
+             else if (n < (1U << 31)) return 30 + log2_4[n >> 30];
+                  else                return 0; // signed n returns 0
+}
+
+#ifndef M_PI
+  #define M_PI  3.14159265358979323846264f  // from CRC
+#endif
+
+// code length assigned to a value with no huffman encoding
+#define NO_CODE   255
+
+/////////////////////// LEAF SETUP FUNCTIONS //////////////////////////
+//
+// these functions are only called at setup, and only a few times
+// per file
+
+static float float32_unpack(uint32 x)
+{
+   // from the specification
+   uint32 mantissa = x & 0x1fffff;
+   uint32 sign = x & 0x80000000;
+   uint32 exp = (x & 0x7fe00000) >> 21;
+   double res = sign ? -(double)mantissa : (double)mantissa;
+   return (float) ldexp((float)res, exp-788);
+}
+
+
+// zlib & jpeg huffman tables assume that the output symbols
+// can either be arbitrarily arranged, or have monotonically
+// increasing frequencies--they rely on the lengths being sorted;
+// this makes for a very simple generation algorithm.
+// vorbis allows a huffman table with non-sorted lengths. This
+// requires a more sophisticated construction, since symbols in
+// order do not map to huffman codes "in order".
+static void add_entry(Codebook *c, uint32 huff_code, int symbol, int count, int len, uint32 *values)
+{
+   if (!c->sparse) {
+      c->codewords      [symbol] = huff_code;
+   } else {
+      c->codewords       [count] = huff_code;
+      c->codeword_lengths[count] = len;
+      values             [count] = symbol;
+   }
+}
+
+static int compute_codewords(Codebook *c, uint8 *len, int n, uint32 *values)
+{
+   int i,k,m=0;
+   uint32 available[32];
+
+   memset(available, 0, sizeof(available));
+   // find the first entry
+   for (k=0; k < n; ++k) if (len[k] < NO_CODE) break;
+   if (k == n) { assert(c->sorted_entries == 0); return TRUE; }
+   // add to the list
+   add_entry(c, 0, k, m++, len[k], values);
+   // add all available leaves
+   for (i=1; i <= len[k]; ++i)
+      available[i] = 1 << (32-i);
+   // note that the above code treats the first case specially,
+   // but it's really the same as the following code, so they
+   // could probably be combined (except the initial code is 0,
+   // and I use 0 in available[] to mean 'empty')
+   for (i=k+1; i < n; ++i) {
+      uint32 res;
+      int z = len[i], y;
+      if (z == NO_CODE) continue;
+      // find lowest available leaf (should always be earliest,
+      // which is what the specification calls for)
+      // note that this property, and the fact we can never have
+      // more than one free leaf at a given level, isn't totally
+      // trivial to prove, but it seems true and the assert never
+      // fires, so!
+      while (z > 0 && !available[z]) --z;
+      if (z == 0) { assert(0); return FALSE; }
+      res = available[z];
+      available[z] = 0;
+      add_entry(c, bit_reverse(res), i, m++, len[i], values);
+      // propogate availability up the tree
+      if (z != len[i]) {
+         for (y=len[i]; y > z; --y) {
+            assert(available[y] == 0);
+            available[y] = res + (1 << (32-y));
+         }
+      }
+   }
+   return TRUE;
+}
+
+// accelerated huffman table allows fast O(1) match of all symbols
+// of length <= STB_VORBIS_FAST_HUFFMAN_LENGTH
+static void compute_accelerated_huffman(Codebook *c)
+{
+   int i, len;
+   for (i=0; i < FAST_HUFFMAN_TABLE_SIZE; ++i)
+      c->fast_huffman[i] = -1;
+
+   len = c->sparse ? c->sorted_entries : c->entries;
+   #ifdef STB_VORBIS_FAST_HUFFMAN_SHORT
+   if (len > 32767) len = 32767; // largest possible value we can encode!
+   #endif
+   for (i=0; i < len; ++i) {
+      if (c->codeword_lengths[i] <= STB_VORBIS_FAST_HUFFMAN_LENGTH) {
+         uint32 z = c->sparse ? bit_reverse(c->sorted_codewords[i]) : c->codewords[i];
+         // set table entries for all bit combinations in the higher bits
+         while (z < FAST_HUFFMAN_TABLE_SIZE) {
+             c->fast_huffman[z] = i;
+             z += 1 << c->codeword_lengths[i];
+         }
+      }
+   }
+}
+
+static int uint32_compare(const void *p, const void *q)
+{
+   uint32 x = * (uint32 *) p;
+   uint32 y = * (uint32 *) q;
+   return x < y ? -1 : x > y;
+}
+
+static int include_in_sort(Codebook *c, uint8 len)
+{
+   if (c->sparse) { assert(len != NO_CODE); return TRUE; }
+   if (len == NO_CODE) return FALSE;
+   if (len > STB_VORBIS_FAST_HUFFMAN_LENGTH) return TRUE;
+   return FALSE;
+}
+
+// if the fast table above doesn't work, we want to binary
+// search them... need to reverse the bits
+static void compute_sorted_huffman(Codebook *c, uint8 *lengths, uint32 *values)
+{
+   int i, len;
+   // build a list of all the entries
+   // OPTIMIZATION: don't include the short ones, since they'll be caught by FAST_HUFFMAN.
+   // this is kind of a frivolous optimization--I don't see any performance improvement,
+   // but it's like 4 extra lines of code, so.
+   if (!c->sparse) {
+      int k = 0;
+      for (i=0; i < c->entries; ++i)
+         if (include_in_sort(c, lengths[i])) 
+            c->sorted_codewords[k++] = bit_reverse(c->codewords[i]);
+      assert(k == c->sorted_entries);
+   } else {
+      for (i=0; i < c->sorted_entries; ++i)
+         c->sorted_codewords[i] = bit_reverse(c->codewords[i]);
+   }
+
+   qsort(c->sorted_codewords, c->sorted_entries, sizeof(c->sorted_codewords[0]), uint32_compare);
+   c->sorted_codewords[c->sorted_entries] = 0xffffffff;
+
+   len = c->sparse ? c->sorted_entries : c->entries;
+   // now we need to indicate how they correspond; we could either
+   //   #1: sort a different data structure that says who they correspond to
+   //   #2: for each sorted entry, search the original list to find who corresponds
+   //   #3: for each original entry, find the sorted entry
+   // #1 requires extra storage, #2 is slow, #3 can use binary search!
+   for (i=0; i < len; ++i) {
+      int huff_len = c->sparse ? lengths[values[i]] : lengths[i];
+      if (include_in_sort(c,huff_len)) {
+         uint32 code = bit_reverse(c->codewords[i]);
+         int x=0, n=c->sorted_entries;
+         while (n > 1) {
+            // invariant: sc[x] <= code < sc[x+n]
+            int m = x + (n >> 1);
+            if (c->sorted_codewords[m] <= code) {
+               x = m;
+               n -= (n>>1);
+            } else {
+               n >>= 1;
+            }
+         }
+         assert(c->sorted_codewords[x] == code);
+         if (c->sparse) {
+            c->sorted_values[x] = values[i];
+            c->codeword_lengths[x] = huff_len;
+         } else {
+            c->sorted_values[x] = i;
+         }
+      }
+   }
+}
+
+// only run while parsing the header (3 times)
+static int vorbis_validate(uint8 *data)
+{
+   static uint8 vorbis[6] = { 'v', 'o', 'r', 'b', 'i', 's' };
+   return memcmp(data, vorbis, 6) == 0;
+}
+
+// called from setup only, once per code book
+// (formula implied by specification)
+static int lookup1_values(int entries, int dim)
+{
+   int r = (int) floor(exp((float) log((float) entries) / dim));
+   if ((int) floor(pow((float) r+1, dim)) <= entries)   // (int) cast for MinGW warning;
+      ++r;                                              // floor() to avoid _ftol() when non-CRT
+   assert(pow((float) r+1, dim) > entries);
+   assert((int) floor(pow((float) r, dim)) <= entries); // (int),floor() as above
+   return r;
+}
+
+// called twice per file
+static void compute_twiddle_factors(int n, float *A, float *B, float *C)
+{
+   int n4 = n >> 2, n8 = n >> 3;
+   int k,k2;
+
+   for (k=k2=0; k < n4; ++k,k2+=2) {
+      A[k2  ] = (float)  cos(4*k*M_PI/n);
+      A[k2+1] = (float) -sin(4*k*M_PI/n);
+      B[k2  ] = (float)  cos((k2+1)*M_PI/n/2) * 0.5f;
+      B[k2+1] = (float)  sin((k2+1)*M_PI/n/2) * 0.5f;
+   }
+   for (k=k2=0; k < n8; ++k,k2+=2) {
+      C[k2  ] = (float)  cos(2*(k2+1)*M_PI/n);
+      C[k2+1] = (float) -sin(2*(k2+1)*M_PI/n);
+   }
+}
+
+static void compute_window(int n, float *window)
+{
+   int n2 = n >> 1, i;
+   for (i=0; i < n2; ++i)
+      window[i] = (float) sin(0.5 * M_PI * square((float) sin((i - 0 + 0.5) / n2 * 0.5 * M_PI)));
+}
+
+static void compute_bitreverse(int n, uint16 *rev)
+{
+   int ld = ilog(n) - 1; // ilog is off-by-one from normal definitions
+   int i, n8 = n >> 3;
+   for (i=0; i < n8; ++i)
+      rev[i] = (bit_reverse(i) >> (32-ld+3)) << 2;
+}
+
+static int init_blocksize(vorb *f, int b, int n)
+{
+   int n2 = n >> 1, n4 = n >> 2, n8 = n >> 3;
+   f->A[b] = (float *) setup_malloc(f, sizeof(float) * n2);
+   f->B[b] = (float *) setup_malloc(f, sizeof(float) * n2);
+   f->C[b] = (float *) setup_malloc(f, sizeof(float) * n4);
+   if (!f->A[b] || !f->B[b] || !f->C[b]) return error(f, VORBIS_outofmem);
+   compute_twiddle_factors(n, f->A[b], f->B[b], f->C[b]);
+   f->window[b] = (float *) setup_malloc(f, sizeof(float) * n2);
+   if (!f->window[b]) return error(f, VORBIS_outofmem);
+   compute_window(n, f->window[b]);
+   f->bit_reverse[b] = (uint16 *) setup_malloc(f, sizeof(uint16) * n8);
+   if (!f->bit_reverse[b]) return error(f, VORBIS_outofmem);
+   compute_bitreverse(n, f->bit_reverse[b]);
+   return TRUE;
+}
+
+static void neighbors(uint16 *x, int n, int *plow, int *phigh)
+{
+   int low = -1;
+   int high = 65536;
+   int i;
+   for (i=0; i < n; ++i) {
+      if (x[i] > low  && x[i] < x[n]) { *plow  = i; low = x[i]; }
+      if (x[i] < high && x[i] > x[n]) { *phigh = i; high = x[i]; }
+   }
+}
+
+// this has been repurposed so y is now the original index instead of y
+typedef struct
+{
+   uint16 x,y;
+} Point;
+
+int point_compare(const void *p, const void *q)
+{
+   Point *a = (Point *) p;
+   Point *b = (Point *) q;
+   return a->x < b->x ? -1 : a->x > b->x;
+}
+
+//
+/////////////////////// END LEAF SETUP FUNCTIONS //////////////////////////
+
+
+#if defined(STB_VORBIS_NO_STDIO)
+   #define USE_MEMORY(z)    TRUE
+#else
+   #define USE_MEMORY(z)    ((z)->stream)
+#endif
+
+static uint8 get8(vorb *z)
+{
+   if (USE_MEMORY(z)) {
+      if (z->stream >= z->stream_end) { z->eof = TRUE; return 0; }
+      return *z->stream++;
+   }
+
+   #ifndef STB_VORBIS_NO_STDIO
+   {
+   int c = fgetc(z->f);
+   if (c == EOF) { z->eof = TRUE; return 0; }
+   return c;
+   }
+   #endif
+}
+
+static uint32 get32(vorb *f)
+{
+   uint32 x;
+   x = get8(f);
+   x += get8(f) << 8;
+   x += get8(f) << 16;
+   x += get8(f) << 24;
+   return x;
+}
+
+static int getn(vorb *z, uint8 *data, int n)
+{
+   if (USE_MEMORY(z)) {
+      if (z->stream+n > z->stream_end) { z->eof = 1; return 0; }
+      memcpy(data, z->stream, n);
+      z->stream += n;
+      return 1;
+   }
+
+   #ifndef STB_VORBIS_NO_STDIO   
+   if (fread(data, n, 1, z->f) == 1)
+      return 1;
+   else {
+      z->eof = 1;
+      return 0;
+   }
+   #endif
+}
+
+static void skip(vorb *z, int n)
+{
+   if (USE_MEMORY(z)) {
+      z->stream += n;
+      if (z->stream >= z->stream_end) z->eof = 1;
+      return;
+   }
+   #ifndef STB_VORBIS_NO_STDIO
+   {
+      long x = ftell(z->f);
+      fseek(z->f, x+n, SEEK_SET);
+   }
+   #endif
+}
+
+static int set_file_offset(stb_vorbis *f, unsigned int loc)
+{
+   #ifndef STB_VORBIS_NO_PUSHDATA_API
+   if (f->push_mode) return 0;
+   #endif
+   f->eof = 0;
+   if (USE_MEMORY(f)) {
+      if (f->stream_start + loc >= f->stream_end || f->stream_start + loc < f->stream_start) {
+         f->stream = f->stream_end;
+         f->eof = 1;
+         return 0;
+      } else {
+         f->stream = f->stream_start + loc;
+         return 1;
+      }
+   }
+   #ifndef STB_VORBIS_NO_STDIO
+   if (loc + f->f_start < loc || loc >= 0x80000000) {
+      loc = 0x7fffffff;
+      f->eof = 1;
+   } else {
+      loc += f->f_start;
+   }
+   if (!fseek(f->f, loc, SEEK_SET))
+      return 1;
+   f->eof = 1;
+   fseek(f->f, f->f_start, SEEK_END);
+   return 0;
+   #endif
+}
+
+
+static uint8 ogg_page_header[4] = { 0x4f, 0x67, 0x67, 0x53 };
+
+static int capture_pattern(vorb *f)
+{
+   if (0x4f != get8(f)) return FALSE;
+   if (0x67 != get8(f)) return FALSE;
+   if (0x67 != get8(f)) return FALSE;
+   if (0x53 != get8(f)) return FALSE;
+   return TRUE;
+}
+
+#define PAGEFLAG_continued_packet   1
+#define PAGEFLAG_first_page         2
+#define PAGEFLAG_last_page          4
+
+static int start_page_no_capturepattern(vorb *f)
+{
+   uint32 loc0,loc1,n,i;
+   // stream structure version
+   if (0 != get8(f)) return error(f, VORBIS_invalid_stream_structure_version);
+   // header flag
+   f->page_flag = get8(f);
+   // absolute granule position
+   loc0 = get32(f); 
+   loc1 = get32(f);
+   // @TODO: validate loc0,loc1 as valid positions?
+   // stream serial number -- vorbis doesn't interleave, so discard
+   get32(f);
+   //if (f->serial != get32(f)) return error(f, VORBIS_incorrect_stream_serial_number);
+   // page sequence number
+   n = get32(f);
+   f->last_page = n;
+   // CRC32
+   get32(f);
+   // page_segments
+   f->segment_count = get8(f);
+   if (!getn(f, f->segments, f->segment_count))
+      return error(f, VORBIS_unexpected_eof);
+   // assume we _don't_ know any the sample position of any segments
+   f->end_seg_with_known_loc = -2;
+   if (loc0 != ~0 || loc1 != ~0) {
+      // determine which packet is the last one that will complete
+      for (i=f->segment_count-1; i >= 0; --i)
+         if (f->segments[i] < 255)
+            break;
+      // 'i' is now the index of the _last_ segment of a packet that ends
+      if (i >= 0) {
+         f->end_seg_with_known_loc = i;
+         f->known_loc_for_packet   = loc0;
+      }
+   }
+   if (f->first_decode) {
+      int i,len;
+      ProbedPage p;
+      len = 0;
+      for (i=0; i < f->segment_count; ++i)
+         len += f->segments[i];
+      len += 27 + f->segment_count;
+      p.page_start = f->first_audio_page_offset;
+      p.page_end = p.page_start + len;
+      p.after_previous_page_start = p.page_start;
+      p.first_decoded_sample = 0;
+      p.last_decoded_sample = loc0;
+      f->p_first = p;
+   }
+   f->next_seg = 0;
+   return TRUE;
+}
+
+static int start_page(vorb *f)
+{
+   if (!capture_pattern(f)) return error(f, VORBIS_missing_capture_pattern);
+   return start_page_no_capturepattern(f);
+}
+
+static int start_packet(vorb *f)
+{
+   while (f->next_seg == -1) {
+      if (!start_page(f)) return FALSE;
+      if (f->page_flag & PAGEFLAG_continued_packet)
+         return error(f, VORBIS_continued_packet_flag_invalid);
+   }
+   f->last_seg = FALSE;
+   f->valid_bits = 0;
+   f->packet_bytes = 0;
+   f->bytes_in_seg = 0;
+   // f->next_seg is now valid
+   return TRUE;
+}
+
+static int maybe_start_packet(vorb *f)
+{
+   if (f->next_seg == -1) {
+      int x = get8(f);
+      if (f->eof) return FALSE; // EOF at page boundary is not an error!
+      if (0x4f != x      ) return error(f, VORBIS_missing_capture_pattern);
+      if (0x67 != get8(f)) return error(f, VORBIS_missing_capture_pattern);
+      if (0x67 != get8(f)) return error(f, VORBIS_missing_capture_pattern);
+      if (0x53 != get8(f)) return error(f, VORBIS_missing_capture_pattern);
+      if (!start_page_no_capturepattern(f)) return FALSE;
+      if (f->page_flag & PAGEFLAG_continued_packet) {
+         // set up enough state that we can read this packet if we want,
+         // e.g. during recovery
+         f->last_seg = FALSE;
+         f->bytes_in_seg = 0;
+         return error(f, VORBIS_continued_packet_flag_invalid);
+      }
+   }
+   return start_packet(f);
+}
+
+static int next_segment(vorb *f)
+{
+   int len;
+   if (f->last_seg) return 0;
+   if (f->next_seg == -1) {
+      f->last_seg_which = f->segment_count-1; // in case start_page fails
+      if (!start_page(f)) { f->last_seg = 1; return 0; }
+      if (!(f->page_flag & PAGEFLAG_continued_packet)) return error(f, VORBIS_continued_packet_flag_invalid);
+   }
+   len = f->segments[f->next_seg++];
+   if (len < 255) {
+      f->last_seg = TRUE;
+      f->last_seg_which = f->next_seg-1;
+   }
+   if (f->next_seg >= f->segment_count)
+      f->next_seg = -1;
+   assert(f->bytes_in_seg == 0);
+   f->bytes_in_seg = len;
+   return len;
+}
+
+#define EOP    (-1)
+#define INVALID_BITS  (-1)
+
+static int get8_packet_raw(vorb *f)
+{
+   if (!f->bytes_in_seg)
+      if (f->last_seg) return EOP;
+      else if (!next_segment(f)) return EOP;
+   assert(f->bytes_in_seg > 0);
+   --f->bytes_in_seg;
+   ++f->packet_bytes;
+   return get8(f);
+}
+
+static int get8_packet(vorb *f)
+{
+   int x = get8_packet_raw(f);
+   f->valid_bits = 0;
+   return x;
+}
+
+static void flush_packet(vorb *f)
+{
+   while (get8_packet_raw(f) != EOP);
+}
+
+// @OPTIMIZE: this is the secondary bit decoder, so it's probably not as important
+// as the huffman decoder?
+static uint32 get_bits(vorb *f, int n)
+{
+   uint32 z;
+
+   if (f->valid_bits < 0) return 0;
+   if (f->valid_bits < n) {
+      if (n > 24) {
+         // the accumulator technique below would not work correctly in this case
+         z = get_bits(f, 24);
+         z += get_bits(f, n-24) << 24;
+         return z;
+      }
+      if (f->valid_bits == 0) f->acc = 0;
+      while (f->valid_bits < n) {
+         int z = get8_packet_raw(f);
+         if (z == EOP) {
+            f->valid_bits = INVALID_BITS;
+            return 0;
+         }
+         f->acc += z << f->valid_bits;
+         f->valid_bits += 8;
+      }
+   }
+   if (f->valid_bits < 0) return 0;
+   z = f->acc & ((1 << n)-1);
+   f->acc >>= n;
+   f->valid_bits -= n;
+   return z;
+}
+
+static int32 get_bits_signed(vorb *f, int n)
+{
+   uint32 z = get_bits(f, n);
+   if (z & (1 << (n-1)))
+      z += ~((1 << n) - 1);
+   return (int32) z;
+}
+
+// @OPTIMIZE: primary accumulator for huffman
+// expand the buffer to as many bits as possible without reading off end of packet
+// it might be nice to allow f->valid_bits and f->acc to be stored in registers,
+// e.g. cache them locally and decode locally
+static __forceinline void prep_huffman(vorb *f)
+{
+   if (f->valid_bits <= 24) {
+      if (f->valid_bits == 0) f->acc = 0;
+      do {
+         int z;
+         if (f->last_seg && !f->bytes_in_seg) return;
+         z = get8_packet_raw(f);
+         if (z == EOP) return;
+         f->acc += z << f->valid_bits;
+         f->valid_bits += 8;
+      } while (f->valid_bits <= 24);
+   }
+}
+
+enum
+{
+   VORBIS_packet_id = 1,
+   VORBIS_packet_comment = 3,
+   VORBIS_packet_setup = 5,
+};
+
+static int codebook_decode_scalar_raw(vorb *f, Codebook *c)
+{
+   int i;
+   prep_huffman(f);
+
+   assert(c->sorted_codewords || c->codewords);
+   // cases to use binary search: sorted_codewords && !c->codewords
+   //                             sorted_codewords && c->entries > 8
+   if (c->entries > 8 ? c->sorted_codewords!=NULL : !c->codewords) {
+      // binary search
+      uint32 code = bit_reverse(f->acc);
+      int x=0, n=c->sorted_entries, len;
+
+      while (n > 1) {
+         // invariant: sc[x] <= code < sc[x+n]
+         int m = x + (n >> 1);
+         if (c->sorted_codewords[m] <= code) {
+            x = m;
+            n -= (n>>1);
+         } else {
+            n >>= 1;
+         }
+      }
+      // x is now the sorted index
+      if (!c->sparse) x = c->sorted_values[x];
+      // x is now sorted index if sparse, or symbol otherwise
+      len = c->codeword_lengths[x];
+      if (f->valid_bits >= len) {
+         f->acc >>= len;
+         f->valid_bits -= len;
+         return x;
+      }
+
+      f->valid_bits = 0;
+      return -1;
+   }
+
+   // if small, linear search
+   assert(!c->sparse);
+   for (i=0; i < c->entries; ++i) {
+      if (c->codeword_lengths[i] == NO_CODE) continue;
+      if (c->codewords[i] == (f->acc & ((1 << c->codeword_lengths[i])-1))) {
+         if (f->valid_bits >= c->codeword_lengths[i]) {
+            f->acc >>= c->codeword_lengths[i];
+            f->valid_bits -= c->codeword_lengths[i];
+            return i;
+         }
+         f->valid_bits = 0;
+         return -1;
+      }
+   }
+
+   error(f, VORBIS_invalid_stream);
+   f->valid_bits = 0;
+   return -1;
+}
+
+static int codebook_decode_scalar(vorb *f, Codebook *c)
+{
+   int i;
+   if (f->valid_bits < STB_VORBIS_FAST_HUFFMAN_LENGTH)
+      prep_huffman(f);
+   // fast huffman table lookup
+   i = f->acc & FAST_HUFFMAN_TABLE_MASK;
+   i = c->fast_huffman[i];
+   if (i >= 0) {
+      f->acc >>= c->codeword_lengths[i];
+      f->valid_bits -= c->codeword_lengths[i];
+      if (f->valid_bits < 0) { f->valid_bits = 0; return -1; }
+      return i;
+   }
+   return codebook_decode_scalar_raw(f,c);
+}
+
+#ifndef STB_VORBIS_NO_INLINE_DECODE
+
+#define DECODE_RAW(var, f,c)                                  \
+   if (f->valid_bits < STB_VORBIS_FAST_HUFFMAN_LENGTH)        \
+      prep_huffman(f);                                        \
+   var = f->acc & FAST_HUFFMAN_TABLE_MASK;                    \
+   var = c->fast_huffman[var];                                \
+   if (var >= 0) {                                            \
+      int n = c->codeword_lengths[var];                       \
+      f->acc >>= n;                                           \
+      f->valid_bits -= n;                                     \
+      if (f->valid_bits < 0) { f->valid_bits = 0; var = -1; } \
+   } else {                                                   \
+      var = codebook_decode_scalar_raw(f,c);                  \
+   }
+
+#else
+
+#define DECODE_RAW(var,f,c)    var = codebook_decode_scalar(f,c);
+
+#endif
+
+#define DECODE(var,f,c)                                       \
+   DECODE_RAW(var,f,c)                                        \
+   if (c->sparse) var = c->sorted_values[var];
+
+#ifndef STB_VORBIS_DIVIDES_IN_CODEBOOK
+  #define DECODE_VQ(var,f,c)   DECODE_RAW(var,f,c)
+#else
+  #define DECODE_VQ(var,f,c)   DECODE(var,f,c)
+#endif
+
+
+
+
+
+
+// CODEBOOK_ELEMENT_FAST is an optimization for the CODEBOOK_FLOATS case
+// where we avoid one addition
+#ifndef STB_VORBIS_CODEBOOK_FLOATS
+   #define CODEBOOK_ELEMENT(c,off)          (c->multiplicands[off] * c->delta_value + c->minimum_value)
+   #define CODEBOOK_ELEMENT_FAST(c,off)     (c->multiplicands[off] * c->delta_value)
+   #define CODEBOOK_ELEMENT_BASE(c)         (c->minimum_value)
+#else
+   #define CODEBOOK_ELEMENT(c,off)          (c->multiplicands[off])
+   #define CODEBOOK_ELEMENT_FAST(c,off)     (c->multiplicands[off])
+   #define CODEBOOK_ELEMENT_BASE(c)         (0)
+#endif
+
+static int codebook_decode_start(vorb *f, Codebook *c, int len)
+{
+   int z = -1;
+
+   // type 0 is only legal in a scalar context
+   if (c->lookup_type == 0)
+      error(f, VORBIS_invalid_stream);
+   else {
+      DECODE_VQ(z,f,c);
+      if (c->sparse) assert(z < c->sorted_entries);
+      if (z < 0) {  // check for EOP
+         if (!f->bytes_in_seg)
+            if (f->last_seg)
+               return z;
+         error(f, VORBIS_invalid_stream);
+      }
+   }
+   return z;
+}
+
+static int codebook_decode(vorb *f, Codebook *c, float *output, int len)
+{
+   int i,z = codebook_decode_start(f,c,len);
+   if (z < 0) return FALSE;
+   if (len > c->dimensions) len = c->dimensions;
+
+#ifdef STB_VORBIS_DIVIDES_IN_CODEBOOK
+   if (c->lookup_type == 1) {
+      float last = CODEBOOK_ELEMENT_BASE(c);
+      int div = 1;
+      for (i=0; i < len; ++i) {
+         int off = (z / div) % c->lookup_values;
+         float val = CODEBOOK_ELEMENT_FAST(c,off) + last;
+         output[i] += val;
+         if (c->sequence_p) last = val + c->minimum_value;
+         div *= c->lookup_values;
+      }
+      return TRUE;
+   }
+#endif
+
+   z *= c->dimensions;
+   if (c->sequence_p) {
+      float last = CODEBOOK_ELEMENT_BASE(c);
+      for (i=0; i < len; ++i) {
+         float val = CODEBOOK_ELEMENT_FAST(c,z+i) + last;
+         output[i] += val;
+         last = val + c->minimum_value;
+      }
+   } else {
+      float last = CODEBOOK_ELEMENT_BASE(c);
+      for (i=0; i < len; ++i) {
+         output[i] += CODEBOOK_ELEMENT_FAST(c,z+i) + last;
+      }
+   }
+
+   return TRUE;
+}
+
+static int codebook_decode_step(vorb *f, Codebook *c, float *output, int len, int step)
+{
+   int i,z = codebook_decode_start(f,c,len);
+   float last = CODEBOOK_ELEMENT_BASE(c);
+   if (z < 0) return FALSE;
+   if (len > c->dimensions) len = c->dimensions;
+
+#ifdef STB_VORBIS_DIVIDES_IN_CODEBOOK
+   if (c->lookup_type == 1) {
+      int div = 1;
+      for (i=0; i < len; ++i) {
+         int off = (z / div) % c->lookup_values;
+         float val = CODEBOOK_ELEMENT_FAST(c,off) + last;
+         output[i*step] += val;
+         if (c->sequence_p) last = val;
+         div *= c->lookup_values;
+      }
+      return TRUE;
+   }
+#endif
+
+   z *= c->dimensions;
+   for (i=0; i < len; ++i) {
+      float val = CODEBOOK_ELEMENT_FAST(c,z+i) + last;
+      output[i*step] += val;
+      if (c->sequence_p) last = val;
+   }
+
+   return TRUE;
+}
+
+static int codebook_decode_deinterleave_repeat(vorb *f, Codebook *c, float **outputs, int ch, int *c_inter_p, int *p_inter_p, int len, int total_decode)
+{
+   int c_inter = *c_inter_p;
+   int p_inter = *p_inter_p;
+   int i,z, effective = c->dimensions;
+
+   // type 0 is only legal in a scalar context
+   if (c->lookup_type == 0)   return error(f, VORBIS_invalid_stream);
+
+   while (total_decode > 0) {
+      float last = CODEBOOK_ELEMENT_BASE(c);
+      DECODE_VQ(z,f,c);
+      #ifndef STB_VORBIS_DIVIDES_IN_CODEBOOK
+      assert(!c->sparse || z < c->sorted_entries);
+      #endif
+      if (z < 0) {
+         if (!f->bytes_in_seg)
+            if (f->last_seg) return FALSE;
+         return error(f, VORBIS_invalid_stream);
+      }
+
+      // if this will take us off the end of the buffers, stop short!
+      // we check by computing the length of the virtual interleaved
+      // buffer (len*ch), our current offset within it (p_inter*ch)+(c_inter),
+      // and the length we'll be using (effective)
+      if (c_inter + p_inter*ch + effective > len * ch) {
+         effective = len*ch - (p_inter*ch - c_inter);
+      }
+
+   #ifdef STB_VORBIS_DIVIDES_IN_CODEBOOK
+      if (c->lookup_type == 1) {
+         int div = 1;
+         for (i=0; i < effective; ++i) {
+            int off = (z / div) % c->lookup_values;
+            float val = CODEBOOK_ELEMENT_FAST(c,off) + last;
+            outputs[c_inter][p_inter] += val;
+            if (++c_inter == ch) { c_inter = 0; ++p_inter; }
+            if (c->sequence_p) last = val;
+            div *= c->lookup_values;
+         }
+      } else
+   #endif
+      {
+         z *= c->dimensions;
+         if (c->sequence_p) {
+            for (i=0; i < effective; ++i) {
+               float val = CODEBOOK_ELEMENT_FAST(c,z+i) + last;
+               outputs[c_inter][p_inter] += val;
+               if (++c_inter == ch) { c_inter = 0; ++p_inter; }
+               last = val;
+            }
+         } else {
+            for (i=0; i < effective; ++i) {
+               float val = CODEBOOK_ELEMENT_FAST(c,z+i) + last;
+               outputs[c_inter][p_inter] += val;
+               if (++c_inter == ch) { c_inter = 0; ++p_inter; }
+            }
+         }
+      }
+
+      total_decode -= effective;
+   }
+   *c_inter_p = c_inter;
+   *p_inter_p = p_inter;
+   return TRUE;
+}
+
+#ifndef STB_VORBIS_DIVIDES_IN_CODEBOOK
+static int codebook_decode_deinterleave_repeat_2(vorb *f, Codebook *c, float **outputs, int *c_inter_p, int *p_inter_p, int len, int total_decode)
+{
+   int c_inter = *c_inter_p;
+   int p_inter = *p_inter_p;
+   int i,z, effective = c->dimensions;
+
+   // type 0 is only legal in a scalar context
+   if (c->lookup_type == 0)   return error(f, VORBIS_invalid_stream);
+
+   while (total_decode > 0) {
+      float last = CODEBOOK_ELEMENT_BASE(c);
+      DECODE_VQ(z,f,c);
+
+      if (z < 0) {
+         if (!f->bytes_in_seg)
+            if (f->last_seg) return FALSE;
+         return error(f, VORBIS_invalid_stream);
+      }
+
+      // if this will take us off the end of the buffers, stop short!
+      // we check by computing the length of the virtual interleaved
+      // buffer (len*ch), our current offset within it (p_inter*ch)+(c_inter),
+      // and the length we'll be using (effective)
+      if (c_inter + p_inter*2 + effective > len * 2) {
+         effective = len*2 - (p_inter*2 - c_inter);
+      }
+
+      {
+         z *= c->dimensions;
+         stb_prof(11);
+         if (c->sequence_p) {
+            // haven't optimized this case because I don't have any examples
+            for (i=0; i < effective; ++i) {
+               float val = CODEBOOK_ELEMENT_FAST(c,z+i) + last;
+               outputs[c_inter][p_inter] += val;
+               if (++c_inter == 2) { c_inter = 0; ++p_inter; }
+               last = val;
+            }
+         } else {
+            i=0;
+            if (c_inter == 1) {
+               float val = CODEBOOK_ELEMENT_FAST(c,z+i) + last;
+               outputs[c_inter][p_inter] += val;
+               c_inter = 0; ++p_inter;
+               ++i;
+            }
+            {
+               float *z0 = outputs[0];
+               float *z1 = outputs[1];
+               for (; i+1 < effective;) {
+                  z0[p_inter] += CODEBOOK_ELEMENT_FAST(c,z+i) + last;
+                  z1[p_inter] += CODEBOOK_ELEMENT_FAST(c,z+i+1) + last;
+                  ++p_inter;
+                  i += 2;
+               }
+            }
+            if (i < effective) {
+               float val = CODEBOOK_ELEMENT_FAST(c,z+i) + last;
+               outputs[c_inter][p_inter] += val;
+               if (++c_inter == 2) { c_inter = 0; ++p_inter; }
+            }
+         }
+      }
+
+      total_decode -= effective;
+   }
+   *c_inter_p = c_inter;
+   *p_inter_p = p_inter;
+   return TRUE;
+}
+#endif
+
+static int predict_point(int x, int x0, int x1, int y0, int y1)
+{
+   int dy = y1 - y0;
+   int adx = x1 - x0;
+   // @OPTIMIZE: force int division to round in the right direction... is this necessary on x86?
+   int err = abs(dy) * (x - x0);
+   int off = err / adx;
+   return dy < 0 ? y0 - off : y0 + off;
+}
+
+// the following table is block-copied from the specification
+static float inverse_db_table[256] =
+{
+  1.0649863e-07f, 1.1341951e-07f, 1.2079015e-07f, 1.2863978e-07f, 
+  1.3699951e-07f, 1.4590251e-07f, 1.5538408e-07f, 1.6548181e-07f, 
+  1.7623575e-07f, 1.8768855e-07f, 1.9988561e-07f, 2.1287530e-07f, 
+  2.2670913e-07f, 2.4144197e-07f, 2.5713223e-07f, 2.7384213e-07f, 
+  2.9163793e-07f, 3.1059021e-07f, 3.3077411e-07f, 3.5226968e-07f, 
+  3.7516214e-07f, 3.9954229e-07f, 4.2550680e-07f, 4.5315863e-07f, 
+  4.8260743e-07f, 5.1396998e-07f, 5.4737065e-07f, 5.8294187e-07f, 
+  6.2082472e-07f, 6.6116941e-07f, 7.0413592e-07f, 7.4989464e-07f, 
+  7.9862701e-07f, 8.5052630e-07f, 9.0579828e-07f, 9.6466216e-07f, 
+  1.0273513e-06f, 1.0941144e-06f, 1.1652161e-06f, 1.2409384e-06f, 
+  1.3215816e-06f, 1.4074654e-06f, 1.4989305e-06f, 1.5963394e-06f, 
+  1.7000785e-06f, 1.8105592e-06f, 1.9282195e-06f, 2.0535261e-06f, 
+  2.1869758e-06f, 2.3290978e-06f, 2.4804557e-06f, 2.6416497e-06f, 
+  2.8133190e-06f, 2.9961443e-06f, 3.1908506e-06f, 3.3982101e-06f, 
+  3.6190449e-06f, 3.8542308e-06f, 4.1047004e-06f, 4.3714470e-06f, 
+  4.6555282e-06f, 4.9580707e-06f, 5.2802740e-06f, 5.6234160e-06f, 
+  5.9888572e-06f, 6.3780469e-06f, 6.7925283e-06f, 7.2339451e-06f, 
+  7.7040476e-06f, 8.2047000e-06f, 8.7378876e-06f, 9.3057248e-06f, 
+  9.9104632e-06f, 1.0554501e-05f, 1.1240392e-05f, 1.1970856e-05f, 
+  1.2748789e-05f, 1.3577278e-05f, 1.4459606e-05f, 1.5399272e-05f, 
+  1.6400004e-05f, 1.7465768e-05f, 1.8600792e-05f, 1.9809576e-05f, 
+  2.1096914e-05f, 2.2467911e-05f, 2.3928002e-05f, 2.5482978e-05f, 
+  2.7139006e-05f, 2.8902651e-05f, 3.0780908e-05f, 3.2781225e-05f, 
+  3.4911534e-05f, 3.7180282e-05f, 3.9596466e-05f, 4.2169667e-05f, 
+  4.4910090e-05f, 4.7828601e-05f, 5.0936773e-05f, 5.4246931e-05f, 
+  5.7772202e-05f, 6.1526565e-05f, 6.5524908e-05f, 6.9783085e-05f, 
+  7.4317983e-05f, 7.9147585e-05f, 8.4291040e-05f, 8.9768747e-05f, 
+  9.5602426e-05f, 0.00010181521f, 0.00010843174f, 0.00011547824f, 
+  0.00012298267f, 0.00013097477f, 0.00013948625f, 0.00014855085f, 
+  0.00015820453f, 0.00016848555f, 0.00017943469f, 0.00019109536f, 
+  0.00020351382f, 0.00021673929f, 0.00023082423f, 0.00024582449f, 
+  0.00026179955f, 0.00027881276f, 0.00029693158f, 0.00031622787f, 
+  0.00033677814f, 0.00035866388f, 0.00038197188f, 0.00040679456f, 
+  0.00043323036f, 0.00046138411f, 0.00049136745f, 0.00052329927f, 
+  0.00055730621f, 0.00059352311f, 0.00063209358f, 0.00067317058f, 
+  0.00071691700f, 0.00076350630f, 0.00081312324f, 0.00086596457f, 
+  0.00092223983f, 0.00098217216f, 0.0010459992f,  0.0011139742f, 
+  0.0011863665f,  0.0012634633f,  0.0013455702f,  0.0014330129f, 
+  0.0015261382f,  0.0016253153f,  0.0017309374f,  0.0018434235f, 
+  0.0019632195f,  0.0020908006f,  0.0022266726f,  0.0023713743f, 
+  0.0025254795f,  0.0026895994f,  0.0028643847f,  0.0030505286f, 
+  0.0032487691f,  0.0034598925f,  0.0036847358f,  0.0039241906f, 
+  0.0041792066f,  0.0044507950f,  0.0047400328f,  0.0050480668f, 
+  0.0053761186f,  0.0057254891f,  0.0060975636f,  0.0064938176f, 
+  0.0069158225f,  0.0073652516f,  0.0078438871f,  0.0083536271f, 
+  0.0088964928f,  0.009474637f,   0.010090352f,   0.010746080f, 
+  0.011444421f,   0.012188144f,   0.012980198f,   0.013823725f, 
+  0.014722068f,   0.015678791f,   0.016697687f,   0.017782797f, 
+  0.018938423f,   0.020169149f,   0.021479854f,   0.022875735f, 
+  0.024362330f,   0.025945531f,   0.027631618f,   0.029427276f, 
+  0.031339626f,   0.033376252f,   0.035545228f,   0.037855157f, 
+  0.040315199f,   0.042935108f,   0.045725273f,   0.048696758f, 
+  0.051861348f,   0.055231591f,   0.058820850f,   0.062643361f, 
+  0.066714279f,   0.071049749f,   0.075666962f,   0.080584227f, 
+  0.085821044f,   0.091398179f,   0.097337747f,   0.10366330f, 
+  0.11039993f,    0.11757434f,    0.12521498f,    0.13335215f, 
+  0.14201813f,    0.15124727f,    0.16107617f,    0.17154380f, 
+  0.18269168f,    0.19456402f,    0.20720788f,    0.22067342f, 
+  0.23501402f,    0.25028656f,    0.26655159f,    0.28387361f, 
+  0.30232132f,    0.32196786f,    0.34289114f,    0.36517414f, 
+  0.38890521f,    0.41417847f,    0.44109412f,    0.46975890f, 
+  0.50028648f,    0.53279791f,    0.56742212f,    0.60429640f, 
+  0.64356699f,    0.68538959f,    0.72993007f,    0.77736504f, 
+  0.82788260f,    0.88168307f,    0.9389798f,     1.0f
+};
+
+
+// @OPTIMIZE: if you want to replace this bresenham line-drawing routine,
+// note that you must produce bit-identical output to decode correctly;
+// this specific sequence of operations is specified in the spec (it's
+// drawing integer-quantized frequency-space lines that the encoder
+// expects to be exactly the same)
+//     ... also, isn't the whole point of Bresenham's algorithm to NOT
+// have to divide in the setup? sigh.
+#ifndef STB_VORBIS_NO_DEFER_FLOOR
+#define LINE_OP(a,b)   a *= b
+#else
+#define LINE_OP(a,b)   a = b
+#endif
+
+#ifdef STB_VORBIS_DIVIDE_TABLE
+#define DIVTAB_NUMER   32
+#define DIVTAB_DENOM   64
+int8 integer_divide_table[DIVTAB_NUMER][DIVTAB_DENOM]; // 2KB
+#endif
+
+static __forceinline void draw_line(float *output, int x0, int y0, int x1, int y1, int n)
+{
+   int dy = y1 - y0;
+   int adx = x1 - x0;
+   int ady = abs(dy);
+   int base;
+   int x=x0,y=y0;
+   int err = 0;
+   int sy;
+
+#ifdef STB_VORBIS_DIVIDE_TABLE
+   if (adx < DIVTAB_DENOM && ady < DIVTAB_NUMER) {
+      if (dy < 0) {
+         base = -integer_divide_table[ady][adx];
+         sy = base-1;
+      } else {
+         base =  integer_divide_table[ady][adx];
+         sy = base+1;
+      }
+   } else {
+      base = dy / adx;
+      if (dy < 0)
+         sy = base - 1;
+      else
+         sy = base+1;
+   }
+#else
+   base = dy / adx;
+   if (dy < 0)
+      sy = base - 1;
+   else
+      sy = base+1;
+#endif
+   ady -= abs(base) * adx;
+   if (x1 > n) x1 = n;
+   LINE_OP(output[x], inverse_db_table[y]);
+   for (++x; x < x1; ++x) {
+      err += ady;
+      if (err >= adx) {
+         err -= adx;
+         y += sy;
+      } else
+         y += base;
+      LINE_OP(output[x], inverse_db_table[y]);
+   }
+}
+
+static int residue_decode(vorb *f, Codebook *book, float *target, int offset, int n, int rtype)
+{
+   int k;
+   if (rtype == 0) {
+      int step = n / book->dimensions;
+      for (k=0; k < step; ++k)
+         if (!codebook_decode_step(f, book, target+offset+k, n-offset-k, step))
+            return FALSE;
+   } else {
+      for (k=0; k < n; ) {
+         if (!codebook_decode(f, book, target+offset, n-k))
+            return FALSE;
+         k += book->dimensions;
+         offset += book->dimensions;
+      }
+   }
+   return TRUE;
+}
+
+static void decode_residue(vorb *f, float *residue_buffers[], int ch, int n, int rn, uint8 *do_not_decode)
+{
+   int i,j,pass;
+   Residue *r = f->residue_config + rn;
+   int rtype = f->residue_types[rn];
+   int c = r->classbook;
+   int classwords = f->codebooks[c].dimensions;
+   int n_read = r->end - r->begin;
+   int part_read = n_read / r->part_size;
+   int temp_alloc_point = temp_alloc_save(f);
+   #ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
+   uint8 ***part_classdata = (uint8 ***) temp_block_array(f,f->channels, part_read * sizeof(**part_classdata));
+   #else
+   int **classifications = (int **) temp_block_array(f,f->channels, part_read * sizeof(**classifications));
+   #endif
+
+   stb_prof(2);
+   for (i=0; i < ch; ++i)
+      if (!do_not_decode[i])
+         memset(residue_buffers[i], 0, sizeof(float) * n);
+
+   if (rtype == 2 && ch != 1) {
+      int len = ch * n;
+      for (j=0; j < ch; ++j)
+         if (!do_not_decode[j])
+            break;
+      if (j == ch)
+         goto done;
+
+      stb_prof(3);
+      for (pass=0; pass < 8; ++pass) {
+         int pcount = 0, class_set = 0;
+         if (ch == 2) {
+            stb_prof(13);
+            while (pcount < part_read) {
+               int z = r->begin + pcount*r->part_size;
+               int c_inter = (z & 1), p_inter = z>>1;
+               if (pass == 0) {
+                  Codebook *c = f->codebooks+r->classbook;
+                  int q;
+                  DECODE(q,f,c);
+                  if (q == EOP) goto done;
+                  #ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
+                  part_classdata[0][class_set] = r->classdata[q];
+                  #else
+                  for (i=classwords-1; i >= 0; --i) {
+                     classifications[0][i+pcount] = q % r->classifications;
+                     q /= r->classifications;
+                  }
+                  #endif
+               }
+               stb_prof(5);
+               for (i=0; i < classwords && pcount < part_read; ++i, ++pcount) {
+                  int z = r->begin + pcount*r->part_size;
+                  #ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
+                  int c = part_classdata[0][class_set][i];
+                  #else
+                  int c = classifications[0][pcount];
+                  #endif
+                  int b = r->residue_books[c][pass];
+                  if (b >= 0) {
+                     Codebook *book = f->codebooks + b;
+                     stb_prof(20);  // accounts for X time
+                     #ifdef STB_VORBIS_DIVIDES_IN_CODEBOOK
+                     if (!codebook_decode_deinterleave_repeat(f, book, residue_buffers, ch, &c_inter, &p_inter, n, r->part_size))
+                        goto done;
+                     #else
+                     // saves 1%
+                     if (!codebook_decode_deinterleave_repeat_2(f, book, residue_buffers, &c_inter, &p_inter, n, r->part_size))
+                        goto done;
+                     #endif
+                     stb_prof(7);
+                  } else {
+                     z += r->part_size;
+                     c_inter = z & 1;
+                     p_inter = z >> 1;
+                  }
+               }
+               stb_prof(8);
+               #ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
+               ++class_set;
+               #endif
+            }
+         } else if (ch == 1) {
+            while (pcount < part_read) {
+               int z = r->begin + pcount*r->part_size;
+               int c_inter = 0, p_inter = z;
+               if (pass == 0) {
+                  Codebook *c = f->codebooks+r->classbook;
+                  int q;
+                  DECODE(q,f,c);
+                  if (q == EOP) goto done;
+                  #ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
+                  part_classdata[0][class_set] = r->classdata[q];
+                  #else
+                  for (i=classwords-1; i >= 0; --i) {
+                     classifications[0][i+pcount] = q % r->classifications;
+                     q /= r->classifications;
+                  }
+                  #endif
+               }
+               for (i=0; i < classwords && pcount < part_read; ++i, ++pcount) {
+                  int z = r->begin + pcount*r->part_size;
+                  #ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
+                  int c = part_classdata[0][class_set][i];
+                  #else
+                  int c = classifications[0][pcount];
+                  #endif
+                  int b = r->residue_books[c][pass];
+                  if (b >= 0) {
+                     Codebook *book = f->codebooks + b;
+                     stb_prof(22);
+                     if (!codebook_decode_deinterleave_repeat(f, book, residue_buffers, ch, &c_inter, &p_inter, n, r->part_size))
+                        goto done;
+                     stb_prof(3);
+                  } else {
+                     z += r->part_size;
+                     c_inter = 0;
+                     p_inter = z;
+                  }
+               }
+               #ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
+               ++class_set;
+               #endif
+            }
+         } else {
+            while (pcount < part_read) {
+               int z = r->begin + pcount*r->part_size;
+               int c_inter = z % ch, p_inter = z/ch;
+               if (pass == 0) {
+                  Codebook *c = f->codebooks+r->classbook;
+                  int q;
+                  DECODE(q,f,c);
+                  if (q == EOP) goto done;
+                  #ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
+                  part_classdata[0][class_set] = r->classdata[q];
+                  #else
+                  for (i=classwords-1; i >= 0; --i) {
+                     classifications[0][i+pcount] = q % r->classifications;
+                     q /= r->classifications;
+                  }
+                  #endif
+               }
+               for (i=0; i < classwords && pcount < part_read; ++i, ++pcount) {
+                  int z = r->begin + pcount*r->part_size;
+                  #ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
+                  int c = part_classdata[0][class_set][i];
+                  #else
+                  int c = classifications[0][pcount];
+                  #endif
+                  int b = r->residue_books[c][pass];
+                  if (b >= 0) {
+                     Codebook *book = f->codebooks + b;
+                     stb_prof(22);
+                     if (!codebook_decode_deinterleave_repeat(f, book, residue_buffers, ch, &c_inter, &p_inter, n, r->part_size))
+                        goto done;
+                     stb_prof(3);
+                  } else {
+                     z += r->part_size;
+                     c_inter = z % ch;
+                     p_inter = z / ch;
+                  }
+               }
+               #ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
+               ++class_set;
+               #endif
+            }
+         }
+      }
+      goto done;
+   }
+   stb_prof(9);
+
+   for (pass=0; pass < 8; ++pass) {
+      int pcount = 0, class_set=0;
+      while (pcount < part_read) {
+         if (pass == 0) {
+            for (j=0; j < ch; ++j) {
+               if (!do_not_decode[j]) {
+                  Codebook *c = f->codebooks+r->classbook;
+                  int temp;
+                  DECODE(temp,f,c);
+                  if (temp == EOP) goto done;
+                  #ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
+                  part_classdata[j][class_set] = r->classdata[temp];
+                  #else
+                  for (i=classwords-1; i >= 0; --i) {
+                     classifications[j][i+pcount] = temp % r->classifications;
+                     temp /= r->classifications;
+                  }
+                  #endif
+               }
+            }
+         }
+         for (i=0; i < classwords && pcount < part_read; ++i, ++pcount) {
+            for (j=0; j < ch; ++j) {
+               if (!do_not_decode[j]) {
+                  #ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
+                  int c = part_classdata[j][class_set][i];
+                  #else
+                  int c = classifications[j][pcount];
+                  #endif
+                  int b = r->residue_books[c][pass];
+                  if (b >= 0) {
+                     float *target = residue_buffers[j];
+                     int offset = r->begin + pcount * r->part_size;
+                     int n = r->part_size;
+                     Codebook *book = f->codebooks + b;
+                     if (!residue_decode(f, book, target, offset, n, rtype))
+                        goto done;
+                  }
+               }
+            }
+         }
+         #ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
+         ++class_set;
+         #endif
+      }
+   }
+  done:
+   stb_prof(0);
+   temp_alloc_restore(f,temp_alloc_point);
+}
+
+
+#if 0
+// slow way for debugging
+void inverse_mdct_slow(float *buffer, int n)
+{
+   int i,j;
+   int n2 = n >> 1;
+   float *x = (float *) malloc(sizeof(*x) * n2);
+   memcpy(x, buffer, sizeof(*x) * n2);
+   for (i=0; i < n; ++i) {
+      float acc = 0;
+      for (j=0; j < n2; ++j)
+         // formula from paper:
+         //acc += n/4.0f * x[j] * (float) cos(M_PI / 2 / n * (2 * i + 1 + n/2.0)*(2*j+1));
+         // formula from wikipedia
+         //acc += 2.0f / n2 * x[j] * (float) cos(M_PI/n2 * (i + 0.5 + n2/2)*(j + 0.5));
+         // these are equivalent, except the formula from the paper inverts the multiplier!
+         // however, what actually works is NO MULTIPLIER!?!
+         //acc += 64 * 2.0f / n2 * x[j] * (float) cos(M_PI/n2 * (i + 0.5 + n2/2)*(j + 0.5));
+         acc += x[j] * (float) cos(M_PI / 2 / n * (2 * i + 1 + n/2.0)*(2*j+1));
+      buffer[i] = acc;
+   }
+   free(x);
+}
+#elif 0
+// same as above, but just barely able to run in real time on modern machines
+void inverse_mdct_slow(float *buffer, int n, vorb *f, int blocktype)
+{
+   float mcos[16384];
+   int i,j;
+   int n2 = n >> 1, nmask = (n << 2) -1;
+   float *x = (float *) malloc(sizeof(*x) * n2);
+   memcpy(x, buffer, sizeof(*x) * n2);
+   for (i=0; i < 4*n; ++i)
+      mcos[i] = (float) cos(M_PI / 2 * i / n);
+
+   for (i=0; i < n; ++i) {
+      float acc = 0;
+      for (j=0; j < n2; ++j)
+         acc += x[j] * mcos[(2 * i + 1 + n2)*(2*j+1) & nmask];
+      buffer[i] = acc;
+   }
+   free(x);
+}
+#else
+// transform to use a slow dct-iv; this is STILL basically trivial,
+// but only requires half as many ops
+void dct_iv_slow(float *buffer, int n)
+{
+   float mcos[16384];
+   float x[2048];
+   int i,j;
+   int n2 = n >> 1, nmask = (n << 3) - 1;
+   memcpy(x, buffer, sizeof(*x) * n);
+   for (i=0; i < 8*n; ++i)
+      mcos[i] = (float) cos(M_PI / 4 * i / n);
+   for (i=0; i < n; ++i) {
+      float acc = 0;
+      for (j=0; j < n; ++j)
+         acc += x[j] * mcos[((2 * i + 1)*(2*j+1)) & nmask];
+         //acc += x[j] * cos(M_PI / n * (i + 0.5) * (j + 0.5));
+      buffer[i] = acc;
+   }
+   free(x);
+}
+
+void inverse_mdct_slow(float *buffer, int n, vorb *f, int blocktype)
+{
+   int i, n4 = n >> 2, n2 = n >> 1, n3_4 = n - n4;
+   float temp[4096];
+
+   memcpy(temp, buffer, n2 * sizeof(float));
+   dct_iv_slow(temp, n2);  // returns -c'-d, a-b'
+
+   for (i=0; i < n4  ; ++i) buffer[i] = temp[i+n4];            // a-b'
+   for (   ; i < n3_4; ++i) buffer[i] = -temp[n3_4 - i - 1];   // b-a', c+d'
+   for (   ; i < n   ; ++i) buffer[i] = -temp[i - n3_4];       // c'+d
+}
+#endif
+
+#ifndef LIBVORBIS_MDCT
+#define LIBVORBIS_MDCT 0
+#endif
+
+#if LIBVORBIS_MDCT
+// directly call the vorbis MDCT using an interface documented
+// by Jeff Roberts... useful for performance comparison
+typedef struct 
+{
+  int n;
+  int log2n;
+  
+  float *trig;
+  int   *bitrev;
+
+  float scale;
+} mdct_lookup;
+
+extern void mdct_init(mdct_lookup *lookup, int n);
+extern void mdct_clear(mdct_lookup *l);
+extern void mdct_backward(mdct_lookup *init, float *in, float *out);
+
+mdct_lookup M1,M2;
+
+void inverse_mdct(float *buffer, int n, vorb *f, int blocktype)
+{
+   mdct_lookup *M;
+   if (M1.n == n) M = &M1;
+   else if (M2.n == n) M = &M2;
+   else if (M1.n == 0) { mdct_init(&M1, n); M = &M1; }
+   else { 
+      if (M2.n) __asm int 3;
+      mdct_init(&M2, n);
+      M = &M2;
+   }
+
+   mdct_backward(M, buffer, buffer);
+}
+#endif
+
+
+// the following were split out into separate functions while optimizing;
+// they could be pushed back up but eh. __forceinline showed no change;
+// they're probably already being inlined.
+static void imdct_step3_iter0_loop(int n, float *e, int i_off, int k_off, float *A)
+{
+   float *ee0 = e + i_off;
+   float *ee2 = ee0 + k_off;
+   int i;
+
+   assert((n & 3) == 0);
+   for (i=(n>>2); i > 0; --i) {
+      float k00_20, k01_21;
+      k00_20  = ee0[ 0] - ee2[ 0];
+      k01_21  = ee0[-1] - ee2[-1];
+      ee0[ 0] += ee2[ 0];//ee0[ 0] = ee0[ 0] + ee2[ 0];
+      ee0[-1] += ee2[-1];//ee0[-1] = ee0[-1] + ee2[-1];
+      ee2[ 0] = k00_20 * A[0] - k01_21 * A[1];
+      ee2[-1] = k01_21 * A[0] + k00_20 * A[1];
+      A += 8;
+
+      k00_20  = ee0[-2] - ee2[-2];
+      k01_21  = ee0[-3] - ee2[-3];
+      ee0[-2] += ee2[-2];//ee0[-2] = ee0[-2] + ee2[-2];
+      ee0[-3] += ee2[-3];//ee0[-3] = ee0[-3] + ee2[-3];
+      ee2[-2] = k00_20 * A[0] - k01_21 * A[1];
+      ee2[-3] = k01_21 * A[0] + k00_20 * A[1];
+      A += 8;
+
+      k00_20  = ee0[-4] - ee2[-4];
+      k01_21  = ee0[-5] - ee2[-5];
+      ee0[-4] += ee2[-4];//ee0[-4] = ee0[-4] + ee2[-4];
+      ee0[-5] += ee2[-5];//ee0[-5] = ee0[-5] + ee2[-5];
+      ee2[-4] = k00_20 * A[0] - k01_21 * A[1];
+      ee2[-5] = k01_21 * A[0] + k00_20 * A[1];
+      A += 8;
+
+      k00_20  = ee0[-6] - ee2[-6];
+      k01_21  = ee0[-7] - ee2[-7];
+      ee0[-6] += ee2[-6];//ee0[-6] = ee0[-6] + ee2[-6];
+      ee0[-7] += ee2[-7];//ee0[-7] = ee0[-7] + ee2[-7];
+      ee2[-6] = k00_20 * A[0] - k01_21 * A[1];
+      ee2[-7] = k01_21 * A[0] + k00_20 * A[1];
+      A += 8;
+      ee0 -= 8;
+      ee2 -= 8;
+   }
+}
+
+static void imdct_step3_inner_r_loop(int lim, float *e, int d0, int k_off, float *A, int k1)
+{
+   int i;
+   float k00_20, k01_21;
+
+   float *e0 = e + d0;
+   float *e2 = e0 + k_off;
+
+   for (i=lim >> 2; i > 0; --i) {
+      k00_20 = e0[-0] - e2[-0];
+      k01_21 = e0[-1] - e2[-1];
+      e0[-0] += e2[-0];//e0[-0] = e0[-0] + e2[-0];
+      e0[-1] += e2[-1];//e0[-1] = e0[-1] + e2[-1];
+      e2[-0] = (k00_20)*A[0] - (k01_21) * A[1];
+      e2[-1] = (k01_21)*A[0] + (k00_20) * A[1];
+
+      A += k1;
+
+      k00_20 = e0[-2] - e2[-2];
+      k01_21 = e0[-3] - e2[-3];
+      e0[-2] += e2[-2];//e0[-2] = e0[-2] + e2[-2];
+      e0[-3] += e2[-3];//e0[-3] = e0[-3] + e2[-3];
+      e2[-2] = (k00_20)*A[0] - (k01_21) * A[1];
+      e2[-3] = (k01_21)*A[0] + (k00_20) * A[1];
+
+      A += k1;
+
+      k00_20 = e0[-4] - e2[-4];
+      k01_21 = e0[-5] - e2[-5];
+      e0[-4] += e2[-4];//e0[-4] = e0[-4] + e2[-4];
+      e0[-5] += e2[-5];//e0[-5] = e0[-5] + e2[-5];
+      e2[-4] = (k00_20)*A[0] - (k01_21) * A[1];
+      e2[-5] = (k01_21)*A[0] + (k00_20) * A[1];
+
+      A += k1;
+
+      k00_20 = e0[-6] - e2[-6];
+      k01_21 = e0[-7] - e2[-7];
+      e0[-6] += e2[-6];//e0[-6] = e0[-6] + e2[-6];
+      e0[-7] += e2[-7];//e0[-7] = e0[-7] + e2[-7];
+      e2[-6] = (k00_20)*A[0] - (k01_21) * A[1];
+      e2[-7] = (k01_21)*A[0] + (k00_20) * A[1];
+
+      e0 -= 8;
+      e2 -= 8;
+
+      A += k1;
+   }
+}
+
+static void imdct_step3_inner_s_loop(int n, float *e, int i_off, int k_off, float *A, int a_off, int k0)
+{
+   int i;
+   float A0 = A[0];
+   float A1 = A[0+1];
+   float A2 = A[0+a_off];
+   float A3 = A[0+a_off+1];
+   float A4 = A[0+a_off*2+0];
+   float A5 = A[0+a_off*2+1];
+   float A6 = A[0+a_off*3+0];
+   float A7 = A[0+a_off*3+1];
+
+   float k00,k11;
+
+   float *ee0 = e  +i_off;
+   float *ee2 = ee0+k_off;
+
+   for (i=n; i > 0; --i) {
+      k00     = ee0[ 0] - ee2[ 0];
+      k11     = ee0[-1] - ee2[-1];
+      ee0[ 0] =  ee0[ 0] + ee2[ 0];
+      ee0[-1] =  ee0[-1] + ee2[-1];
+      ee2[ 0] = (k00) * A0 - (k11) * A1;
+      ee2[-1] = (k11) * A0 + (k00) * A1;
+
+      k00     = ee0[-2] - ee2[-2];
+      k11     = ee0[-3] - ee2[-3];
+      ee0[-2] =  ee0[-2] + ee2[-2];
+      ee0[-3] =  ee0[-3] + ee2[-3];
+      ee2[-2] = (k00) * A2 - (k11) * A3;
+      ee2[-3] = (k11) * A2 + (k00) * A3;
+
+      k00     = ee0[-4] - ee2[-4];
+      k11     = ee0[-5] - ee2[-5];
+      ee0[-4] =  ee0[-4] + ee2[-4];
+      ee0[-5] =  ee0[-5] + ee2[-5];
+      ee2[-4] = (k00) * A4 - (k11) * A5;
+      ee2[-5] = (k11) * A4 + (k00) * A5;
+
+      k00     = ee0[-6] - ee2[-6];
+      k11     = ee0[-7] - ee2[-7];
+      ee0[-6] =  ee0[-6] + ee2[-6];
+      ee0[-7] =  ee0[-7] + ee2[-7];
+      ee2[-6] = (k00) * A6 - (k11) * A7;
+      ee2[-7] = (k11) * A6 + (k00) * A7;
+
+      ee0 -= k0;
+      ee2 -= k0;
+   }
+}
+
+static __forceinline void iter_54(float *z)
+{
+   float k00,k11,k22,k33;
+   float y0,y1,y2,y3;
+
+   k00  = z[ 0] - z[-4];
+   y0   = z[ 0] + z[-4];
+   y2   = z[-2] + z[-6];
+   k22  = z[-2] - z[-6];
+
+   z[-0] = y0 + y2;      // z0 + z4 + z2 + z6
+   z[-2] = y0 - y2;      // z0 + z4 - z2 - z6
+
+   // done with y0,y2
+
+   k33  = z[-3] - z[-7];
+
+   z[-4] = k00 + k33;    // z0 - z4 + z3 - z7
+   z[-6] = k00 - k33;    // z0 - z4 - z3 + z7
+
+   // done with k33
+
+   k11  = z[-1] - z[-5];
+   y1   = z[-1] + z[-5];
+   y3   = z[-3] + z[-7];
+
+   z[-1] = y1 + y3;      // z1 + z5 + z3 + z7
+   z[-3] = y1 - y3;      // z1 + z5 - z3 - z7
+   z[-5] = k11 - k22;    // z1 - z5 + z2 - z6
+   z[-7] = k11 + k22;    // z1 - z5 - z2 + z6
+}
+
+static void imdct_step3_inner_s_loop_ld654(int n, float *e, int i_off, float *A, int base_n)
+{
+   int k_off = -8;
+   int a_off = base_n >> 3;
+   float A2 = A[0+a_off];
+   float *z = e + i_off;
+   float *base = z - 16 * n;
+
+   while (z > base) {
+      float k00,k11;
+
+      k00   = z[-0] - z[-8];
+      k11   = z[-1] - z[-9];
+      z[-0] = z[-0] + z[-8];
+      z[-1] = z[-1] + z[-9];
+      z[-8] =  k00;
+      z[-9] =  k11 ;
+
+      k00    = z[ -2] - z[-10];
+      k11    = z[ -3] - z[-11];
+      z[ -2] = z[ -2] + z[-10];
+      z[ -3] = z[ -3] + z[-11];
+      z[-10] = (k00+k11) * A2;
+      z[-11] = (k11-k00) * A2;
+
+      k00    = z[-12] - z[ -4];  // reverse to avoid a unary negation
+      k11    = z[ -5] - z[-13];
+      z[ -4] = z[ -4] + z[-12];
+      z[ -5] = z[ -5] + z[-13];
+      z[-12] = k11;
+      z[-13] = k00;
+
+      k00    = z[-14] - z[ -6];  // reverse to avoid a unary negation
+      k11    = z[ -7] - z[-15];
+      z[ -6] = z[ -6] + z[-14];
+      z[ -7] = z[ -7] + z[-15];
+      z[-14] = (k00+k11) * A2;
+      z[-15] = (k00-k11) * A2;
+
+      iter_54(z);
+      iter_54(z-8);
+      z -= 16;
+   }
+}
+
+static void inverse_mdct(float *buffer, int n, vorb *f, int blocktype)
+{
+   int n2 = n >> 1, n4 = n >> 2, n8 = n >> 3, l;
+   int n3_4 = n - n4, ld;
+   // @OPTIMIZE: reduce register pressure by using fewer variables?
+   int save_point = temp_alloc_save(f);
+   float *buf2 = (float *) temp_alloc(f, n2 * sizeof(*buf2));
+   float *u=NULL,*v=NULL;
+   // twiddle factors
+   float *A = f->A[blocktype];
+
+   // IMDCT algorithm from "The use of multirate filter banks for coding of high quality digital audio"
+   // See notes about bugs in that paper in less-optimal implementation 'inverse_mdct_old' after this function.
+
+   // kernel from paper
+
+
+   // merged:
+   //   copy and reflect spectral data
+   //   step 0
+
+   // note that it turns out that the items added together during
+   // this step are, in fact, being added to themselves (as reflected
+   // by step 0). inexplicable inefficiency! this became obvious
+   // once I combined the passes.
+
+   // so there's a missing 'times 2' here (for adding X to itself).
+   // this propogates through linearly to the end, where the numbers
+   // are 1/2 too small, and need to be compensated for.
+
+   {
+      float *d,*e, *AA, *e_stop;
+      d = &buf2[n2-2];
+      AA = A;
+      e = &buffer[0];
+      e_stop = &buffer[n2];
+      while (e != e_stop) {
+         d[1] = (e[0] * AA[0] - e[2]*AA[1]);
+         d[0] = (e[0] * AA[1] + e[2]*AA[0]);
+         d -= 2;
+         AA += 2;
+         e += 4;
+      }
+
+      e = &buffer[n2-3];
+      while (d >= buf2) {
+         d[1] = (-e[2] * AA[0] - -e[0]*AA[1]);
+         d[0] = (-e[2] * AA[1] + -e[0]*AA[0]);
+         d -= 2;
+         AA += 2;
+         e -= 4;
+      }
+   }
+
+   // now we use symbolic names for these, so that we can
+   // possibly swap their meaning as we change which operations
+   // are in place
+
+   u = buffer;
+   v = buf2;
+
+   // step 2    (paper output is w, now u)
+   // this could be in place, but the data ends up in the wrong
+   // place... _somebody_'s got to swap it, so this is nominated
+   {
+      float *AA = &A[n2-8];
+      float *d0,*d1, *e0, *e1;
+
+      e0 = &v[n4];
+      e1 = &v[0];
+
+      d0 = &u[n4];
+      d1 = &u[0];
+
+      while (AA >= A) {
+         float v40_20, v41_21;
+
+         v41_21 = e0[1] - e1[1];
+         v40_20 = e0[0] - e1[0];
+         d0[1]  = e0[1] + e1[1];
+         d0[0]  = e0[0] + e1[0];
+         d1[1]  = v41_21*AA[4] - v40_20*AA[5];
+         d1[0]  = v40_20*AA[4] + v41_21*AA[5];
+
+         v41_21 = e0[3] - e1[3];
+         v40_20 = e0[2] - e1[2];
+         d0[3]  = e0[3] + e1[3];
+         d0[2]  = e0[2] + e1[2];
+         d1[3]  = v41_21*AA[0] - v40_20*AA[1];
+         d1[2]  = v40_20*AA[0] + v41_21*AA[1];
+
+         AA -= 8;
+
+         d0 += 4;
+         d1 += 4;
+         e0 += 4;
+         e1 += 4;
+      }
+   }
+
+   // step 3
+   ld = ilog(n) - 1; // ilog is off-by-one from normal definitions
+
+   // optimized step 3:
+
+   // the original step3 loop can be nested r inside s or s inside r;
+   // it's written originally as s inside r, but this is dumb when r
+   // iterates many times, and s few. So I have two copies of it and
+   // switch between them halfway.
+
+   // this is iteration 0 of step 3
+   imdct_step3_iter0_loop(n >> 4, u, n2-1-n4*0, -(n >> 3), A);
+   imdct_step3_iter0_loop(n >> 4, u, n2-1-n4*1, -(n >> 3), A);
+
+   // this is iteration 1 of step 3
+   imdct_step3_inner_r_loop(n >> 5, u, n2-1 - n8*0, -(n >> 4), A, 16);
+   imdct_step3_inner_r_loop(n >> 5, u, n2-1 - n8*1, -(n >> 4), A, 16);
+   imdct_step3_inner_r_loop(n >> 5, u, n2-1 - n8*2, -(n >> 4), A, 16);
+   imdct_step3_inner_r_loop(n >> 5, u, n2-1 - n8*3, -(n >> 4), A, 16);
+
+   l=2;
+   for (; l < (ld-3)>>1; ++l) {
+      int k0 = n >> (l+2), k0_2 = k0>>1;
+      int lim = 1 << (l+1);
+      int i;
+      for (i=0; i < lim; ++i)
+         imdct_step3_inner_r_loop(n >> (l+4), u, n2-1 - k0*i, -k0_2, A, 1 << (l+3));
+   }
+
+   for (; l < ld-6; ++l) {
+      int k0 = n >> (l+2), k1 = 1 << (l+3), k0_2 = k0>>1;
+      int rlim = n >> (l+6), r;
+      int lim = 1 << (l+1);
+      int i_off;
+      float *A0 = A;
+      i_off = n2-1;
+      for (r=rlim; r > 0; --r) {
+         imdct_step3_inner_s_loop(lim, u, i_off, -k0_2, A0, k1, k0);
+         A0 += k1*4;
+         i_off -= 8;
+      }
+   }
+
+   // iterations with count:
+   //   ld-6,-5,-4 all interleaved together
+   //       the big win comes from getting rid of needless flops
+   //         due to the constants on pass 5 & 4 being all 1 and 0;
+   //       combining them to be simultaneous to improve cache made little difference
+   imdct_step3_inner_s_loop_ld654(n >> 5, u, n2-1, A, n);
+
+   // output is u
+
+   // step 4, 5, and 6
+   // cannot be in-place because of step 5
+   {
+      uint16 *bitrev = f->bit_reverse[blocktype];
+      // weirdly, I'd have thought reading sequentially and writing
+      // erratically would have been better than vice-versa, but in
+      // fact that's not what my testing showed. (That is, with
+      // j = bitreverse(i), do you read i and write j, or read j and write i.)
+
+      float *d0 = &v[n4-4];
+      float *d1 = &v[n2-4];
+      while (d0 >= v) {
+         int k4;
+
+         k4 = bitrev[0];
+         d1[3] = u[k4+0];
+         d1[2] = u[k4+1];
+         d0[3] = u[k4+2];
+         d0[2] = u[k4+3];
+
+         k4 = bitrev[1];
+         d1[1] = u[k4+0];
+         d1[0] = u[k4+1];
+         d0[1] = u[k4+2];
+         d0[0] = u[k4+3];
+         
+         d0 -= 4;
+         d1 -= 4;
+         bitrev += 2;
+      }
+   }
+   // (paper output is u, now v)
+
+
+   // data must be in buf2
+   assert(v == buf2);
+
+   // step 7   (paper output is v, now v)
+   // this is now in place
+   {
+      float *C = f->C[blocktype];
+      float *d, *e;
+
+      d = v;
+      e = v + n2 - 4;
+
+      while (d < e) {
+         float a02,a11,b0,b1,b2,b3;
+
+         a02 = d[0] - e[2];
+         a11 = d[1] + e[3];
+
+         b0 = C[1]*a02 + C[0]*a11;
+         b1 = C[1]*a11 - C[0]*a02;
+
+         b2 = d[0] + e[ 2];
+         b3 = d[1] - e[ 3];
+
+         d[0] = b2 + b0;
+         d[1] = b3 + b1;
+         e[2] = b2 - b0;
+         e[3] = b1 - b3;
+
+         a02 = d[2] - e[0];
+         a11 = d[3] + e[1];
+
+         b0 = C[3]*a02 + C[2]*a11;
+         b1 = C[3]*a11 - C[2]*a02;
+
+         b2 = d[2] + e[ 0];
+         b3 = d[3] - e[ 1];
+
+         d[2] = b2 + b0;
+         d[3] = b3 + b1;
+         e[0] = b2 - b0;
+         e[1] = b1 - b3;
+
+         C += 4;
+         d += 4;
+         e -= 4;
+      }
+   }
+
+   // data must be in buf2
+
+
+   // step 8+decode   (paper output is X, now buffer)
+   // this generates pairs of data a la 8 and pushes them directly through
+   // the decode kernel (pushing rather than pulling) to avoid having
+   // to make another pass later
+
+   // this cannot POSSIBLY be in place, so we refer to the buffers directly
+
+   {
+      float *d0,*d1,*d2,*d3;
+
+      float *B = f->B[blocktype] + n2 - 8;
+      float *e = buf2 + n2 - 8;
+      d0 = &buffer[0];
+      d1 = &buffer[n2-4];
+      d2 = &buffer[n2];
+      d3 = &buffer[n-4];
+      while (e >= v) {
+         float p0,p1,p2,p3;
+
+         p3 =  e[6]*B[7] - e[7]*B[6];
+         p2 = -e[6]*B[6] - e[7]*B[7]; 
+
+         d0[0] =   p3;
+         d1[3] = - p3;
+         d2[0] =   p2;
+         d3[3] =   p2;
+
+         p1 =  e[4]*B[5] - e[5]*B[4];
+         p0 = -e[4]*B[4] - e[5]*B[5]; 
+
+         d0[1] =   p1;
+         d1[2] = - p1;
+         d2[1] =   p0;
+         d3[2] =   p0;
+
+         p3 =  e[2]*B[3] - e[3]*B[2];
+         p2 = -e[2]*B[2] - e[3]*B[3]; 
+
+         d0[2] =   p3;
+         d1[1] = - p3;
+         d2[2] =   p2;
+         d3[1] =   p2;
+
+         p1 =  e[0]*B[1] - e[1]*B[0];
+         p0 = -e[0]*B[0] - e[1]*B[1]; 
+
+         d0[3] =   p1;
+         d1[0] = - p1;
+         d2[3] =   p0;
+         d3[0] =   p0;
+
+         B -= 8;
+         e -= 8;
+         d0 += 4;
+         d2 += 4;
+         d1 -= 4;
+         d3 -= 4;
+      }
+   }
+
+   temp_alloc_restore(f,save_point);
+}
+
+#if 0
+// this is the original version of the above code, if you want to optimize it from scratch
+void inverse_mdct_naive(float *buffer, int n)
+{
+   float s;
+   float A[1 << 12], B[1 << 12], C[1 << 11];
+   int i,k,k2,k4, n2 = n >> 1, n4 = n >> 2, n8 = n >> 3, l;
+   int n3_4 = n - n4, ld;
+   // how can they claim this only uses N words?!
+   // oh, because they're only used sparsely, whoops
+   float u[1 << 13], X[1 << 13], v[1 << 13], w[1 << 13];
+   // set up twiddle factors
+
+   for (k=k2=0; k < n4; ++k,k2+=2) {
+      A[k2  ] = (float)  cos(4*k*M_PI/n);
+      A[k2+1] = (float) -sin(4*k*M_PI/n);
+      B[k2  ] = (float)  cos((k2+1)*M_PI/n/2);
+      B[k2+1] = (float)  sin((k2+1)*M_PI/n/2);
+   }
+   for (k=k2=0; k < n8; ++k,k2+=2) {
+      C[k2  ] = (float)  cos(2*(k2+1)*M_PI/n);
+      C[k2+1] = (float) -sin(2*(k2+1)*M_PI/n);
+   }
+
+   // IMDCT algorithm from "The use of multirate filter banks for coding of high quality digital audio"
+   // Note there are bugs in that pseudocode, presumably due to them attempting
+   // to rename the arrays nicely rather than representing the way their actual
+   // implementation bounces buffers back and forth. As a result, even in the
+   // "some formulars corrected" version, a direct implementation fails. These
+   // are noted below as "paper bug".
+
+   // copy and reflect spectral data
+   for (k=0; k < n2; ++k) u[k] = buffer[k];
+   for (   ; k < n ; ++k) u[k] = -buffer[n - k - 1];
+   // kernel from paper
+   // step 1
+   for (k=k2=k4=0; k < n4; k+=1, k2+=2, k4+=4) {
+      v[n-k4-1] = (u[k4] - u[n-k4-1]) * A[k2]   - (u[k4+2] - u[n-k4-3])*A[k2+1];
+      v[n-k4-3] = (u[k4] - u[n-k4-1]) * A[k2+1] + (u[k4+2] - u[n-k4-3])*A[k2];
+   }
+   // step 2
+   for (k=k4=0; k < n8; k+=1, k4+=4) {
+      w[n2+3+k4] = v[n2+3+k4] + v[k4+3];
+      w[n2+1+k4] = v[n2+1+k4] + v[k4+1];
+      w[k4+3]    = (v[n2+3+k4] - v[k4+3])*A[n2-4-k4] - (v[n2+1+k4]-v[k4+1])*A[n2-3-k4];
+      w[k4+1]    = (v[n2+1+k4] - v[k4+1])*A[n2-4-k4] + (v[n2+3+k4]-v[k4+3])*A[n2-3-k4];
+   }
+   // step 3
+   ld = ilog(n) - 1; // ilog is off-by-one from normal definitions
+   for (l=0; l < ld-3; ++l) {
+      int k0 = n >> (l+2), k1 = 1 << (l+3);
+      int rlim = n >> (l+4), r4, r;
+      int s2lim = 1 << (l+2), s2;
+      for (r=r4=0; r < rlim; r4+=4,++r) {
+         for (s2=0; s2 < s2lim; s2+=2) {
+            u[n-1-k0*s2-r4] = w[n-1-k0*s2-r4] + w[n-1-k0*(s2+1)-r4];
+            u[n-3-k0*s2-r4] = w[n-3-k0*s2-r4] + w[n-3-k0*(s2+1)-r4];
+            u[n-1-k0*(s2+1)-r4] = (w[n-1-k0*s2-r4] - w[n-1-k0*(s2+1)-r4]) * A[r*k1]
+                                - (w[n-3-k0*s2-r4] - w[n-3-k0*(s2+1)-r4]) * A[r*k1+1];
+            u[n-3-k0*(s2+1)-r4] = (w[n-3-k0*s2-r4] - w[n-3-k0*(s2+1)-r4]) * A[r*k1]
+                                + (w[n-1-k0*s2-r4] - w[n-1-k0*(s2+1)-r4]) * A[r*k1+1];
+         }
+      }
+      if (l+1 < ld-3) {
+         // paper bug: ping-ponging of u&w here is omitted
+         memcpy(w, u, sizeof(u));
+      }
+   }
+
+   // step 4
+   for (i=0; i < n8; ++i) {
+      int j = bit_reverse(i) >> (32-ld+3);
+      assert(j < n8);
+      if (i == j) {
+         // paper bug: original code probably swapped in place; if copying,
+         //            need to directly copy in this case
+         int i8 = i << 3;
+         v[i8+1] = u[i8+1];
+         v[i8+3] = u[i8+3];
+         v[i8+5] = u[i8+5];
+         v[i8+7] = u[i8+7];
+      } else if (i < j) {
+         int i8 = i << 3, j8 = j << 3;
+         v[j8+1] = u[i8+1], v[i8+1] = u[j8 + 1];
+         v[j8+3] = u[i8+3], v[i8+3] = u[j8 + 3];
+         v[j8+5] = u[i8+5], v[i8+5] = u[j8 + 5];
+         v[j8+7] = u[i8+7], v[i8+7] = u[j8 + 7];
+      }
+   }
+   // step 5
+   for (k=0; k < n2; ++k) {
+      w[k] = v[k*2+1];
+   }
+   // step 6
+   for (k=k2=k4=0; k < n8; ++k, k2 += 2, k4 += 4) {
+      u[n-1-k2] = w[k4];
+      u[n-2-k2] = w[k4+1];
+      u[n3_4 - 1 - k2] = w[k4+2];
+      u[n3_4 - 2 - k2] = w[k4+3];
+   }
+   // step 7
+   for (k=k2=0; k < n8; ++k, k2 += 2) {
+      v[n2 + k2 ] = ( u[n2 + k2] + u[n-2-k2] + C[k2+1]*(u[n2+k2]-u[n-2-k2]) + C[k2]*(u[n2+k2+1]+u[n-2-k2+1]))/2;
+      v[n-2 - k2] = ( u[n2 + k2] + u[n-2-k2] - C[k2+1]*(u[n2+k2]-u[n-2-k2]) - C[k2]*(u[n2+k2+1]+u[n-2-k2+1]))/2;
+      v[n2+1+ k2] = ( u[n2+1+k2] - u[n-1-k2] + C[k2+1]*(u[n2+1+k2]+u[n-1-k2]) - C[k2]*(u[n2+k2]-u[n-2-k2]))/2;
+      v[n-1 - k2] = (-u[n2+1+k2] + u[n-1-k2] + C[k2+1]*(u[n2+1+k2]+u[n-1-k2]) - C[k2]*(u[n2+k2]-u[n-2-k2]))/2;
+   }
+   // step 8
+   for (k=k2=0; k < n4; ++k,k2 += 2) {
+      X[k]      = v[k2+n2]*B[k2  ] + v[k2+1+n2]*B[k2+1];
+      X[n2-1-k] = v[k2+n2]*B[k2+1] - v[k2+1+n2]*B[k2  ];
+   }
+
+   // decode kernel to output
+   // determined the following value experimentally
+   // (by first figuring out what made inverse_mdct_slow work); then matching that here
+   // (probably vorbis encoder premultiplies by n or n/2, to save it on the decoder?)
+   s = 0.5; // theoretically would be n4
+
+   // [[[ note! the s value of 0.5 is compensated for by the B[] in the current code,
+   //     so it needs to use the "old" B values to behave correctly, or else
+   //     set s to 1.0 ]]]
+   for (i=0; i < n4  ; ++i) buffer[i] = s * X[i+n4];
+   for (   ; i < n3_4; ++i) buffer[i] = -s * X[n3_4 - i - 1];
+   for (   ; i < n   ; ++i) buffer[i] = -s * X[i - n3_4];
+}
+#endif
+
+static float *get_window(vorb *f, int len)
+{
+   len <<= 1;
+   if (len == f->blocksize_0) return f->window[0];
+   if (len == f->blocksize_1) return f->window[1];
+   assert(0);
+   return NULL;
+}
+
+#ifndef STB_VORBIS_NO_DEFER_FLOOR
+typedef int16 YTYPE;
+#else
+typedef int YTYPE;
+#endif
+static int do_floor(vorb *f, Mapping *map, int i, int n, float *target, YTYPE *finalY, uint8 *step2_flag)
+{
+   int n2 = n >> 1;
+   int s = map->chan[i].mux, floor;
+   floor = map->submap_floor[s];
+   if (f->floor_types[floor] == 0) {
+      return error(f, VORBIS_invalid_stream);
+   } else {
+      Floor1 *g = &f->floor_config[floor].floor1;
+      int j,q;
+      int lx = 0, ly = finalY[0] * g->floor1_multiplier;
+      for (q=1; q < g->values; ++q) {
+         j = g->sorted_order[q];
+         #ifndef STB_VORBIS_NO_DEFER_FLOOR
+         if (finalY[j] >= 0)
+         #else
+         if (step2_flag[j])
+         #endif
+         {
+            int hy = finalY[j] * g->floor1_multiplier;
+            int hx = g->Xlist[j];
+            draw_line(target, lx,ly, hx,hy, n2);
+            lx = hx, ly = hy;
+         }
+      }
+      if (lx < n2)
+         // optimization of: draw_line(target, lx,ly, n,ly, n2);
+         for (j=lx; j < n2; ++j)
+            LINE_OP(target[j], inverse_db_table[ly]);
+   }
+   return TRUE;
+}
+
+static int vorbis_decode_initial(vorb *f, int *p_left_start, int *p_left_end, int *p_right_start, int *p_right_end, int *mode)
+{
+   Mode *m;
+   int i, n, prev, next, window_center;
+   f->channel_buffer_start = f->channel_buffer_end = 0;
+
+  retry:
+   if (f->eof) return FALSE;
+   if (!maybe_start_packet(f))
+      return FALSE;
+   // check packet type
+   if (get_bits(f,1) != 0) {
+      if (IS_PUSH_MODE(f))
+         return error(f,VORBIS_bad_packet_type);
+      while (EOP != get8_packet(f));
+      goto retry;
+   }
+
+   if (f->alloc.alloc_buffer)
+      assert(f->alloc.alloc_buffer_length_in_bytes == f->temp_offset);
+
+   i = get_bits(f, ilog(f->mode_count-1));
+   if (i == EOP) return FALSE;
+   if (i >= f->mode_count) return FALSE;
+   *mode = i;
+   m = f->mode_config + i;
+   if (m->blockflag) {
+      n = f->blocksize_1;
+      prev = get_bits(f,1);
+      next = get_bits(f,1);
+   } else {
+      prev = next = 0;
+      n = f->blocksize_0;
+   }
+
+// WINDOWING
+
+   window_center = n >> 1;
+   if (m->blockflag && !prev) {
+      *p_left_start = (n - f->blocksize_0) >> 2;
+      *p_left_end   = (n + f->blocksize_0) >> 2;
+   } else {
+      *p_left_start = 0;
+      *p_left_end   = window_center;
+   }
+   if (m->blockflag && !next) {
+      *p_right_start = (n*3 - f->blocksize_0) >> 2;
+      *p_right_end   = (n*3 + f->blocksize_0) >> 2;
+   } else {
+      *p_right_start = window_center;
+      *p_right_end   = n;
+   }
+   return TRUE;
+}
+
+static int vorbis_decode_packet_rest(vorb *f, int *len, Mode *m, int left_start, int left_end, int right_start, int right_end, int *p_left)
+{
+   Mapping *map;
+   int i,j,k,n,n2;
+   int zero_channel[256];
+   int really_zero_channel[256];
+   int window_center;
+
+// WINDOWING
+
+   n = f->blocksize[m->blockflag];
+   window_center = n >> 1;
+
+   map = &f->mapping[m->mapping];
+
+// FLOORS
+   n2 = n >> 1;
+
+   stb_prof(1);
+   for (i=0; i < f->channels; ++i) {
+      int s = map->chan[i].mux, floor;
+      zero_channel[i] = FALSE;
+      floor = map->submap_floor[s];
+      if (f->floor_types[floor] == 0) {
+         return error(f, VORBIS_invalid_stream);
+      } else {
+         Floor1 *g = &f->floor_config[floor].floor1;
+         if (get_bits(f, 1)) {
+            short *finalY;
+            uint8 step2_flag[256];
+            static int range_list[4] = { 256, 128, 86, 64 };
+            int range = range_list[g->floor1_multiplier-1];
+            int offset = 2;
+            finalY = f->finalY[i];
+            finalY[0] = get_bits(f, ilog(range)-1);
+            finalY[1] = get_bits(f, ilog(range)-1);
+            for (j=0; j < g->partitions; ++j) {
+               int pclass = g->partition_class_list[j];
+               int cdim = g->class_dimensions[pclass];
+               int cbits = g->class_subclasses[pclass];
+               int csub = (1 << cbits)-1;
+               int cval = 0;
+               if (cbits) {
+                  Codebook *c = f->codebooks + g->class_masterbooks[pclass];
+                  DECODE(cval,f,c);
+               }
+               for (k=0; k < cdim; ++k) {
+                  int book = g->subclass_books[pclass][cval & csub];
+                  cval = cval >> cbits;
+                  if (book >= 0) {
+                     int temp;
+                     Codebook *c = f->codebooks + book;
+                     DECODE(temp,f,c);
+                     finalY[offset++] = temp;
+                  } else
+                     finalY[offset++] = 0;
+               }
+            }
+            if (f->valid_bits == INVALID_BITS) goto error; // behavior according to spec
+            step2_flag[0] = step2_flag[1] = 1;
+            for (j=2; j < g->values; ++j) {
+               int low, high, pred, highroom, lowroom, room, val;
+               low = g->neighbors[j][0];
+               high = g->neighbors[j][1];
+               //neighbors(g->Xlist, j, &low, &high);
+               pred = predict_point(g->Xlist[j], g->Xlist[low], g->Xlist[high], finalY[low], finalY[high]);
+               val = finalY[j];
+               highroom = range - pred;
+               lowroom = pred;
+               if (highroom < lowroom)
+                  room = highroom * 2;
+               else
+                  room = lowroom * 2;
+               if (val) {
+                  step2_flag[low] = step2_flag[high] = 1;
+                  step2_flag[j] = 1;
+                  if (val >= room)
+                     if (highroom > lowroom)
+                        finalY[j] = val - lowroom + pred;
+                     else
+                        finalY[j] = pred - val + highroom - 1;
+                  else
+                     if (val & 1)
+                        finalY[j] = pred - ((val+1)>>1);
+                     else
+                        finalY[j] = pred + (val>>1);
+               } else {
+                  step2_flag[j] = 0;
+                  finalY[j] = pred;
+               }
+            }
+
+#ifdef STB_VORBIS_NO_DEFER_FLOOR
+            do_floor(f, map, i, n, f->floor_buffers[i], finalY, step2_flag);
+#else
+            // defer final floor computation until _after_ residue
+            for (j=0; j < g->values; ++j) {
+               if (!step2_flag[j])
+                  finalY[j] = -1;
+            }
+#endif
+         } else {
+           error:
+            zero_channel[i] = TRUE;
+         }
+         // So we just defer everything else to later
+
+         // at this point we've decoded the floor into buffer
+      }
+   }
+   stb_prof(0);
+   // at this point we've decoded all floors
+
+   if (f->alloc.alloc_buffer)
+      assert(f->alloc.alloc_buffer_length_in_bytes == f->temp_offset);
+
+   // re-enable coupled channels if necessary
+   memcpy(really_zero_channel, zero_channel, sizeof(really_zero_channel[0]) * f->channels);
+   for (i=0; i < map->coupling_steps; ++i)
+      if (!zero_channel[map->chan[i].magnitude] || !zero_channel[map->chan[i].angle]) {
+         zero_channel[map->chan[i].magnitude] = zero_channel[map->chan[i].angle] = FALSE;
+      }
+
+// RESIDUE DECODE
+   for (i=0; i < map->submaps; ++i) {
+      float *residue_buffers[STB_VORBIS_MAX_CHANNELS];
+      int r,t;
+      uint8 do_not_decode[256];
+      int ch = 0;
+      for (j=0; j < f->channels; ++j) {
+         if (map->chan[j].mux == i) {
+            if (zero_channel[j]) {
+               do_not_decode[ch] = TRUE;
+               residue_buffers[ch] = NULL;
+            } else {
+               do_not_decode[ch] = FALSE;
+               residue_buffers[ch] = f->channel_buffers[j];
+            }
+            ++ch;
+         }
+      }
+      r = map->submap_residue[i];
+      t = f->residue_types[r];
+      decode_residue(f, residue_buffers, ch, n2, r, do_not_decode);
+   }
+
+   if (f->alloc.alloc_buffer)
+      assert(f->alloc.alloc_buffer_length_in_bytes == f->temp_offset);
+
+// INVERSE COUPLING
+   stb_prof(14);
+   for (i = map->coupling_steps-1; i >= 0; --i) {
+      int n2 = n >> 1;
+      float *m = f->channel_buffers[map->chan[i].magnitude];
+      float *a = f->channel_buffers[map->chan[i].angle    ];
+      for (j=0; j < n2; ++j) {
+         float a2,m2;
+         if (m[j] > 0)
+            if (a[j] > 0)
+               m2 = m[j], a2 = m[j] - a[j];
+            else
+               a2 = m[j], m2 = m[j] + a[j];
+         else
+            if (a[j] > 0)
+               m2 = m[j], a2 = m[j] + a[j];
+            else
+               a2 = m[j], m2 = m[j] - a[j];
+         m[j] = m2;
+         a[j] = a2;
+      }
+   }
+
+   // finish decoding the floors
+#ifndef STB_VORBIS_NO_DEFER_FLOOR
+   stb_prof(15);
+   for (i=0; i < f->channels; ++i) {
+      if (really_zero_channel[i]) {
+         memset(f->channel_buffers[i], 0, sizeof(*f->channel_buffers[i]) * n2);
+      } else {
+         do_floor(f, map, i, n, f->channel_buffers[i], f->finalY[i], NULL);
+      }
+   }
+#else
+   for (i=0; i < f->channels; ++i) {
+      if (really_zero_channel[i]) {
+         memset(f->channel_buffers[i], 0, sizeof(*f->channel_buffers[i]) * n2);
+      } else {
+         for (j=0; j < n2; ++j)
+            f->channel_buffers[i][j] *= f->floor_buffers[i][j];
+      }
+   }
+#endif
+
+// INVERSE MDCT
+   stb_prof(16);
+   for (i=0; i < f->channels; ++i)
+      inverse_mdct(f->channel_buffers[i], n, f, m->blockflag);
+   stb_prof(0);
+
+   // this shouldn't be necessary, unless we exited on an error
+   // and want to flush to get to the next packet
+   flush_packet(f);
+
+   if (f->first_decode) {
+      // assume we start so first non-discarded sample is sample 0
+      // this isn't to spec, but spec would require us to read ahead
+      // and decode the size of all current frames--could be done,
+      // but presumably it's not a commonly used feature
+      f->current_loc = -n2; // start of first frame is positioned for discard
+      // we might have to discard samples "from" the next frame too,
+      // if we're lapping a large block then a small at the start?
+      f->discard_samples_deferred = n - right_end;
+      f->current_loc_valid = TRUE;
+      f->first_decode = FALSE;
+   } else if (f->discard_samples_deferred) {
+      left_start += f->discard_samples_deferred;
+      *p_left = left_start;
+      f->discard_samples_deferred = 0;
+   } else if (f->previous_length == 0 && f->current_loc_valid) {
+      // we're recovering from a seek... that means we're going to discard
+      // the samples from this packet even though we know our position from
+      // the last page header, so we need to update the position based on
+      // the discarded samples here
+      // but wait, the code below is going to add this in itself even
+      // on a discard, so we don't need to do it here...
+   }
+
+   // check if we have ogg information about the sample # for this packet
+   if (f->last_seg_which == f->end_seg_with_known_loc) {
+      // if we have a valid current loc, and this is final:
+      if (f->current_loc_valid && (f->page_flag & PAGEFLAG_last_page)) {
+         uint32 current_end = f->known_loc_for_packet - (n-right_end);
+         // then let's infer the size of the (probably) short final frame
+         if (current_end < f->current_loc + right_end) {
+            if (current_end < f->current_loc) {
+               // negative truncation, that's impossible!
+               *len = 0;
+            } else {
+               *len = current_end - f->current_loc;
+            }
+            *len += left_start;
+            f->current_loc += *len;
+            return TRUE;
+         }
+      }
+      // otherwise, just set our sample loc
+      // guess that the ogg granule pos refers to the _middle_ of the
+      // last frame?
+      // set f->current_loc to the position of left_start
+      f->current_loc = f->known_loc_for_packet - (n2-left_start);
+      f->current_loc_valid = TRUE;
+   }
+   if (f->current_loc_valid)
+      f->current_loc += (right_start - left_start);
+
+   if (f->alloc.alloc_buffer)
+      assert(f->alloc.alloc_buffer_length_in_bytes == f->temp_offset);
+   *len = right_end;  // ignore samples after the window goes to 0
+   return TRUE;
+}
+
+static int vorbis_decode_packet(vorb *f, int *len, int *p_left, int *p_right)
+{
+   int mode, left_end, right_end;
+   if (!vorbis_decode_initial(f, p_left, &left_end, p_right, &right_end, &mode)) return 0;
+   return vorbis_decode_packet_rest(f, len, f->mode_config + mode, *p_left, left_end, *p_right, right_end, p_left);
+}
+
+static int vorbis_finish_frame(stb_vorbis *f, int len, int left, int right)
+{
+   int prev,i,j;
+   // we use right&left (the start of the right- and left-window sin()-regions)
+   // to determine how much to return, rather than inferring from the rules
+   // (same result, clearer code); 'left' indicates where our sin() window
+   // starts, therefore where the previous window's right edge starts, and
+   // therefore where to start mixing from the previous buffer. 'right'
+   // indicates where our sin() ending-window starts, therefore that's where
+   // we start saving, and where our returned-data ends.
+
+   // mixin from previous window
+   if (f->previous_length) {
+      int i,j, n = f->previous_length;
+      float *w = get_window(f, n);
+      for (i=0; i < f->channels; ++i) {
+         for (j=0; j < n; ++j)
+            f->channel_buffers[i][left+j] =
+               f->channel_buffers[i][left+j]*w[    j] +
+               f->previous_window[i][     j]*w[n-1-j];
+      }
+   }
+
+   prev = f->previous_length;
+
+   // last half of this data becomes previous window
+   f->previous_length = len - right;
+
+   // @OPTIMIZE: could avoid this copy by double-buffering the
+   // output (flipping previous_window with channel_buffers), but
+   // then previous_window would have to be 2x as large, and
+   // channel_buffers couldn't be temp mem (although they're NOT
+   // currently temp mem, they could be (unless we want to level
+   // performance by spreading out the computation))
+   for (i=0; i < f->channels; ++i)
+      for (j=0; right+j < len; ++j)
+         f->previous_window[i][j] = f->channel_buffers[i][right+j];
+
+   if (!prev)
+      // there was no previous packet, so this data isn't valid...
+      // this isn't entirely true, only the would-have-overlapped data
+      // isn't valid, but this seems to be what the spec requires
+      return 0;
+
+   // truncate a short frame
+   if (len < right) right = len;
+
+   f->samples_output += right-left;
+
+   return right - left;
+}
+
+static void vorbis_pump_first_frame(stb_vorbis *f)
+{
+   int len, right, left;
+   if (vorbis_decode_packet(f, &len, &left, &right))
+      vorbis_finish_frame(f, len, left, right);
+}
+
+#ifndef STB_VORBIS_NO_PUSHDATA_API
+static int is_whole_packet_present(stb_vorbis *f, int end_page)
+{
+   // make sure that we have the packet available before continuing...
+   // this requires a full ogg parse, but we know we can fetch from f->stream
+
+   // instead of coding this out explicitly, we could save the current read state,
+   // read the next packet with get8() until end-of-packet, check f->eof, then
+   // reset the state? but that would be slower, esp. since we'd have over 256 bytes
+   // of state to restore (primarily the page segment table)
+
+   int s = f->next_seg, first = TRUE;
+   uint8 *p = f->stream;
+
+   if (s != -1) { // if we're not starting the packet with a 'continue on next page' flag
+      for (; s < f->segment_count; ++s) {
+         p += f->segments[s];
+         if (f->segments[s] < 255)               // stop at first short segment
+            break;
+      }
+      // either this continues, or it ends it...
+      if (end_page)
+         if (s < f->segment_count-1)             return error(f, VORBIS_invalid_stream);
+      if (s == f->segment_count)
+         s = -1; // set 'crosses page' flag
+      if (p > f->stream_end)                     return error(f, VORBIS_need_more_data);
+      first = FALSE;
+   }
+   for (; s == -1;) {
+      uint8 *q; 
+      int n;
+
+      // check that we have the page header ready
+      if (p + 26 >= f->stream_end)               return error(f, VORBIS_need_more_data);
+      // validate the page
+      if (memcmp(p, ogg_page_header, 4))         return error(f, VORBIS_invalid_stream);
+      if (p[4] != 0)                             return error(f, VORBIS_invalid_stream);
+      if (first) { // the first segment must NOT have 'continued_packet', later ones MUST
+         if (f->previous_length)
+            if ((p[5] & PAGEFLAG_continued_packet))  return error(f, VORBIS_invalid_stream);
+         // if no previous length, we're resynching, so we can come in on a continued-packet,
+         // which we'll just drop
+      } else {
+         if (!(p[5] & PAGEFLAG_continued_packet)) return error(f, VORBIS_invalid_stream);
+      }
+      n = p[26]; // segment counts
+      q = p+27;  // q points to segment table
+      p = q + n; // advance past header
+      // make sure we've read the segment table
+      if (p > f->stream_end)                     return error(f, VORBIS_need_more_data);
+      for (s=0; s < n; ++s) {
+         p += q[s];
+         if (q[s] < 255)
+            break;
+      }
+      if (end_page)
+         if (s < n-1)                            return error(f, VORBIS_invalid_stream);
+      if (s == f->segment_count)
+         s = -1; // set 'crosses page' flag
+      if (p > f->stream_end)                     return error(f, VORBIS_need_more_data);
+      first = FALSE;
+   }
+   return TRUE;
+}
+#endif // !STB_VORBIS_NO_PUSHDATA_API
+
+static int start_decoder(vorb *f)
+{
+   uint8 header[6], x,y;
+   int len,i,j,k, max_submaps = 0;
+   int longest_floorlist=0;
+
+   // first page, first packet
+
+   if (!start_page(f))                              return FALSE;
+   // validate page flag
+   if (!(f->page_flag & PAGEFLAG_first_page))       return error(f, VORBIS_invalid_first_page);
+   if (f->page_flag & PAGEFLAG_last_page)           return error(f, VORBIS_invalid_first_page);
+   if (f->page_flag & PAGEFLAG_continued_packet)    return error(f, VORBIS_invalid_first_page);
+   // check for expected packet length
+   if (f->segment_count != 1)                       return error(f, VORBIS_invalid_first_page);
+   if (f->segments[0] != 30)                        return error(f, VORBIS_invalid_first_page);
+   // read packet
+   // check packet header
+   if (get8(f) != VORBIS_packet_id)                 return error(f, VORBIS_invalid_first_page);
+   if (!getn(f, header, 6))                         return error(f, VORBIS_unexpected_eof);
+   if (!vorbis_validate(header))                    return error(f, VORBIS_invalid_first_page);
+   // vorbis_version
+   if (get32(f) != 0)                               return error(f, VORBIS_invalid_first_page);
+   f->channels = get8(f); if (!f->channels)         return error(f, VORBIS_invalid_first_page);
+   if (f->channels > STB_VORBIS_MAX_CHANNELS)       return error(f, VORBIS_too_many_channels);
+   f->sample_rate = get32(f); if (!f->sample_rate)  return error(f, VORBIS_invalid_first_page);
+   get32(f); // bitrate_maximum
+   get32(f); // bitrate_nominal
+   get32(f); // bitrate_minimum
+   x = get8(f);
+   { int log0,log1;
+   log0 = x & 15;
+   log1 = x >> 4;
+   f->blocksize_0 = 1 << log0;
+   f->blocksize_1 = 1 << log1;
+   if (log0 < 6 || log0 > 13)                       return error(f, VORBIS_invalid_setup);
+   if (log1 < 6 || log1 > 13)                       return error(f, VORBIS_invalid_setup);
+   if (log0 > log1)                                 return error(f, VORBIS_invalid_setup);
+   }
+
+   // framing_flag
+   x = get8(f);
+   if (!(x & 1))                                    return error(f, VORBIS_invalid_first_page);
+
+   // second packet!
+   if (!start_page(f))                              return FALSE;
+
+   if (!start_packet(f))                            return FALSE;
+   do {
+      len = next_segment(f);
+      skip(f, len);
+      f->bytes_in_seg = 0;
+   } while (len);
+
+   // third packet!
+   if (!start_packet(f))                            return FALSE;
+
+   #ifndef STB_VORBIS_NO_PUSHDATA_API
+   if (IS_PUSH_MODE(f)) {
+      if (!is_whole_packet_present(f, TRUE)) {
+         // convert error in ogg header to write type
+         if (f->error == VORBIS_invalid_stream)
+            f->error = VORBIS_invalid_setup;
+         return FALSE;
+      }
+   }
+   #endif
+
+   crc32_init(); // always init it, to avoid multithread race conditions
+
+   if (get8_packet(f) != VORBIS_packet_setup)       return error(f, VORBIS_invalid_setup);
+   for (i=0; i < 6; ++i) header[i] = get8_packet(f);
+   if (!vorbis_validate(header))                    return error(f, VORBIS_invalid_setup);
+
+   // codebooks
+
+   f->codebook_count = get_bits(f,8) + 1;
+   f->codebooks = (Codebook *) setup_malloc(f, sizeof(*f->codebooks) * f->codebook_count);
+   if (f->codebooks == NULL)                        return error(f, VORBIS_outofmem);
+   memset(f->codebooks, 0, sizeof(*f->codebooks) * f->codebook_count);
+   for (i=0; i < f->codebook_count; ++i) {
+      uint32 *values;
+      int ordered, sorted_count;
+      int total=0;
+      uint8 *lengths;
+      Codebook *c = f->codebooks+i;
+      x = get_bits(f, 8); if (x != 0x42)            return error(f, VORBIS_invalid_setup);
+      x = get_bits(f, 8); if (x != 0x43)            return error(f, VORBIS_invalid_setup);
+      x = get_bits(f, 8); if (x != 0x56)            return error(f, VORBIS_invalid_setup);
+      x = get_bits(f, 8);
+      c->dimensions = (get_bits(f, 8)<<8) + x;
+      x = get_bits(f, 8);
+      y = get_bits(f, 8);
+      c->entries = (get_bits(f, 8)<<16) + (y<<8) + x;
+      ordered = get_bits(f,1);
+      c->sparse = ordered ? 0 : get_bits(f,1);
+
+      if (c->sparse)
+         lengths = (uint8 *) setup_temp_malloc(f, c->entries);
+      else
+         lengths = c->codeword_lengths = (uint8 *) setup_malloc(f, c->entries);
+
+      if (!lengths) return error(f, VORBIS_outofmem);
+
+      if (ordered) {
+         int current_entry = 0;
+         int current_length = get_bits(f,5) + 1;
+         while (current_entry < c->entries) {
+            int limit = c->entries - current_entry;
+            int n = get_bits(f, ilog(limit));
+            if (current_entry + n > (int) c->entries) { return error(f, VORBIS_invalid_setup); }
+            memset(lengths + current_entry, current_length, n);
+            current_entry += n;
+            ++current_length;
+         }
+      } else {
+         for (j=0; j < c->entries; ++j) {
+            int present = c->sparse ? get_bits(f,1) : 1;
+            if (present) {
+               lengths[j] = get_bits(f, 5) + 1;
+               ++total;
+            } else {
+               lengths[j] = NO_CODE;
+            }
+         }
+      }
+
+      if (c->sparse && total >= c->entries >> 2) {
+         // convert sparse items to non-sparse!
+         if (c->entries > (int) f->setup_temp_memory_required)
+            f->setup_temp_memory_required = c->entries;
+
+         c->codeword_lengths = (uint8 *) setup_malloc(f, c->entries);
+         memcpy(c->codeword_lengths, lengths, c->entries);
+         setup_temp_free(f, lengths, c->entries); // note this is only safe if there have been no intervening temp mallocs!
+         lengths = c->codeword_lengths;
+         c->sparse = 0;
+      }
+
+      // compute the size of the sorted tables
+      if (c->sparse) {
+         sorted_count = total;
+         //assert(total != 0);
+      } else {
+         sorted_count = 0;
+         #ifndef STB_VORBIS_NO_HUFFMAN_BINARY_SEARCH
+         for (j=0; j < c->entries; ++j)
+            if (lengths[j] > STB_VORBIS_FAST_HUFFMAN_LENGTH && lengths[j] != NO_CODE)
+               ++sorted_count;
+         #endif
+      }
+
+      c->sorted_entries = sorted_count;
+      values = NULL;
+
+      if (!c->sparse) {
+         c->codewords = (uint32 *) setup_malloc(f, sizeof(c->codewords[0]) * c->entries);
+         if (!c->codewords)                  return error(f, VORBIS_outofmem);
+      } else {
+         unsigned int size;
+         if (c->sorted_entries) {
+            c->codeword_lengths = (uint8 *) setup_malloc(f, c->sorted_entries);
+            if (!c->codeword_lengths)           return error(f, VORBIS_outofmem);
+            c->codewords = (uint32 *) setup_temp_malloc(f, sizeof(*c->codewords) * c->sorted_entries);
+            if (!c->codewords)                  return error(f, VORBIS_outofmem);
+            values = (uint32 *) setup_temp_malloc(f, sizeof(*values) * c->sorted_entries);
+            if (!values)                        return error(f, VORBIS_outofmem);
+         }
+         size = c->entries + (sizeof(*c->codewords) + sizeof(*values)) * c->sorted_entries;
+         if (size > f->setup_temp_memory_required)
+            f->setup_temp_memory_required = size;
+      }
+
+      if (!compute_codewords(c, lengths, c->entries, values)) {
+         if (c->sparse) setup_temp_free(f, values, 0);
+         return error(f, VORBIS_invalid_setup);
+      }
+
+      if (c->sorted_entries) {
+         // allocate an extra slot for sentinels
+         c->sorted_codewords = (uint32 *) setup_malloc(f, sizeof(*c->sorted_codewords) * (c->sorted_entries+1));
+         // allocate an extra slot at the front so that c->sorted_values[-1] is defined
+         // so that we can catch that case without an extra if
+         c->sorted_values    = ( int   *) setup_malloc(f, sizeof(*c->sorted_values   ) * (c->sorted_entries+1));
+         if (c->sorted_values) { ++c->sorted_values; c->sorted_values[-1] = -1; }
+         compute_sorted_huffman(c, lengths, values);
+      }
+
+      if (c->sparse) {
+         setup_temp_free(f, values, sizeof(*values)*c->sorted_entries);
+         setup_temp_free(f, c->codewords, sizeof(*c->codewords)*c->sorted_entries);
+         setup_temp_free(f, lengths, c->entries);
+         c->codewords = NULL;
+      }
+
+      compute_accelerated_huffman(c);
+
+      c->lookup_type = get_bits(f, 4);
+      if (c->lookup_type > 2) return error(f, VORBIS_invalid_setup);
+      if (c->lookup_type > 0) {
+         uint16 *mults;
+         c->minimum_value = float32_unpack(get_bits(f, 32));
+         c->delta_value = float32_unpack(get_bits(f, 32));
+         c->value_bits = get_bits(f, 4)+1;
+         c->sequence_p = get_bits(f,1);
+         if (c->lookup_type == 1) {
+            c->lookup_values = lookup1_values(c->entries, c->dimensions);
+         } else {
+            c->lookup_values = c->entries * c->dimensions;
+         }
+         mults = (uint16 *) setup_temp_malloc(f, sizeof(mults[0]) * c->lookup_values);
+         if (mults == NULL) return error(f, VORBIS_outofmem);
+         for (j=0; j < (int) c->lookup_values; ++j) {
+            int q = get_bits(f, c->value_bits);
+            if (q == EOP) { setup_temp_free(f,mults,sizeof(mults[0])*c->lookup_values); return error(f, VORBIS_invalid_setup); }
+            mults[j] = q;
+         }
+
+#ifndef STB_VORBIS_DIVIDES_IN_CODEBOOK
+         if (c->lookup_type == 1) {
+            int len, sparse = c->sparse;
+            // pre-expand the lookup1-style multiplicands, to avoid a divide in the inner loop
+            if (sparse) {
+               if (c->sorted_entries == 0) goto skip;
+               c->multiplicands = (codetype *) setup_malloc(f, sizeof(c->multiplicands[0]) * c->sorted_entries * c->dimensions);
+            } else
+               c->multiplicands = (codetype *) setup_malloc(f, sizeof(c->multiplicands[0]) * c->entries        * c->dimensions);
+            if (c->multiplicands == NULL) { setup_temp_free(f,mults,sizeof(mults[0])*c->lookup_values); return error(f, VORBIS_outofmem); }
+            len = sparse ? c->sorted_entries : c->entries;
+            for (j=0; j < len; ++j) {
+               int z = sparse ? c->sorted_values[j] : j, div=1;
+               for (k=0; k < c->dimensions; ++k) {
+                  int off = (z / div) % c->lookup_values;
+                  c->multiplicands[j*c->dimensions + k] =
+                         #ifndef STB_VORBIS_CODEBOOK_FLOATS
+                            mults[off];
+                         #else
+                            mults[off]*c->delta_value + c->minimum_value;
+                            // in this case (and this case only) we could pre-expand c->sequence_p,
+                            // and throw away the decode logic for it; have to ALSO do
+                            // it in the case below, but it can only be done if
+                            //    STB_VORBIS_CODEBOOK_FLOATS
+                            //   !STB_VORBIS_DIVIDES_IN_CODEBOOK
+                         #endif
+                  div *= c->lookup_values;
+               }
+            }
+            setup_temp_free(f, mults,sizeof(mults[0])*c->lookup_values);
+            c->lookup_type = 2;
+         }
+         else
+#endif
+         {
+            c->multiplicands = (codetype *) setup_malloc(f, sizeof(c->multiplicands[0]) * c->lookup_values);
+            #ifndef STB_VORBIS_CODEBOOK_FLOATS
+            memcpy(c->multiplicands, mults, sizeof(c->multiplicands[0]) * c->lookup_values);
+            #else
+            for (j=0; j < (int) c->lookup_values; ++j)
+               c->multiplicands[j] = mults[j] * c->delta_value + c->minimum_value;
+            setup_temp_free(f, mults,sizeof(mults[0])*c->lookup_values);
+            #endif
+         }
+        skip:;
+
+         #ifdef STB_VORBIS_CODEBOOK_FLOATS
+         if (c->lookup_type == 2 && c->sequence_p) {
+            for (j=1; j < (int) c->lookup_values; ++j)
+               c->multiplicands[j] = c->multiplicands[j-1];
+            c->sequence_p = 0;
+         }
+         #endif
+      }
+   }
+
+   // time domain transfers (notused)
+
+   x = get_bits(f, 6) + 1;
+   for (i=0; i < x; ++i) {
+      uint32 z = get_bits(f, 16);
+      if (z != 0) return error(f, VORBIS_invalid_setup);
+   }
+
+   // Floors
+   f->floor_count = get_bits(f, 6)+1;
+   f->floor_config = (Floor *)  setup_malloc(f, f->floor_count * sizeof(*f->floor_config));
+   for (i=0; i < f->floor_count; ++i) {
+      f->floor_types[i] = get_bits(f, 16);
+      if (f->floor_types[i] > 1) return error(f, VORBIS_invalid_setup);
+      if (f->floor_types[i] == 0) {
+         Floor0 *g = &f->floor_config[i].floor0;
+         g->order = get_bits(f,8);
+         g->rate = get_bits(f,16);
+         g->bark_map_size = get_bits(f,16);
+         g->amplitude_bits = get_bits(f,6);
+         g->amplitude_offset = get_bits(f,8);
+         g->number_of_books = get_bits(f,4) + 1;
+         for (j=0; j < g->number_of_books; ++j)
+            g->book_list[j] = get_bits(f,8);
+         return error(f, VORBIS_feature_not_supported);
+      } else {
+         Point p[31*8+2];
+         Floor1 *g = &f->floor_config[i].floor1;
+         int max_class = -1; 
+         g->partitions = get_bits(f, 5);
+         for (j=0; j < g->partitions; ++j) {
+            g->partition_class_list[j] = get_bits(f, 4);
+            if (g->partition_class_list[j] > max_class)
+               max_class = g->partition_class_list[j];
+         }
+         for (j=0; j <= max_class; ++j) {
+            g->class_dimensions[j] = get_bits(f, 3)+1;
+            g->class_subclasses[j] = get_bits(f, 2);
+            if (g->class_subclasses[j]) {
+               g->class_masterbooks[j] = get_bits(f, 8);
+               if (g->class_masterbooks[j] >= f->codebook_count) return error(f, VORBIS_invalid_setup);
+            }
+            for (k=0; k < 1 << g->class_subclasses[j]; ++k) {
+               g->subclass_books[j][k] = get_bits(f,8)-1;
+               if (g->subclass_books[j][k] >= f->codebook_count) return error(f, VORBIS_invalid_setup);
+            }
+         }
+         g->floor1_multiplier = get_bits(f,2)+1;
+         g->rangebits = get_bits(f,4);
+         g->Xlist[0] = 0;
+         g->Xlist[1] = 1 << g->rangebits;
+         g->values = 2;
+         for (j=0; j < g->partitions; ++j) {
+            int c = g->partition_class_list[j];
+            for (k=0; k < g->class_dimensions[c]; ++k) {
+               g->Xlist[g->values] = get_bits(f, g->rangebits);
+               ++g->values;
+            }
+         }
+         // precompute the sorting
+         for (j=0; j < g->values; ++j) {
+            p[j].x = g->Xlist[j];
+            p[j].y = j;
+         }
+         qsort(p, g->values, sizeof(p[0]), point_compare);
+         for (j=0; j < g->values; ++j)
+            g->sorted_order[j] = (uint8) p[j].y;
+         // precompute the neighbors
+         for (j=2; j < g->values; ++j) {
+            int low,hi;
+            neighbors(g->Xlist, j, &low,&hi);
+            g->neighbors[j][0] = low;
+            g->neighbors[j][1] = hi;
+         }
+
+         if (g->values > longest_floorlist)
+            longest_floorlist = g->values;
+      }
+   }
+
+   // Residue
+   f->residue_count = get_bits(f, 6)+1;
+   f->residue_config = (Residue *) setup_malloc(f, f->residue_count * sizeof(*f->residue_config));
+   for (i=0; i < f->residue_count; ++i) {
+      uint8 residue_cascade[64];
+      Residue *r = f->residue_config+i;
+      f->residue_types[i] = get_bits(f, 16);
+      if (f->residue_types[i] > 2) return error(f, VORBIS_invalid_setup);
+      r->begin = get_bits(f, 24);
+      r->end = get_bits(f, 24);
+      r->part_size = get_bits(f,24)+1;
+      r->classifications = get_bits(f,6)+1;
+      r->classbook = get_bits(f,8);
+      for (j=0; j < r->classifications; ++j) {
+         uint8 high_bits=0;
+         uint8 low_bits=get_bits(f,3);
+         if (get_bits(f,1))
+            high_bits = get_bits(f,5);
+         residue_cascade[j] = high_bits*8 + low_bits;
+      }
+      r->residue_books = (short (*)[8]) setup_malloc(f, sizeof(r->residue_books[0]) * r->classifications);
+      for (j=0; j < r->classifications; ++j) {
+         for (k=0; k < 8; ++k) {
+            if (residue_cascade[j] & (1 << k)) {
+               r->residue_books[j][k] = get_bits(f, 8);
+               if (r->residue_books[j][k] >= f->codebook_count) return error(f, VORBIS_invalid_setup);
+            } else {
+               r->residue_books[j][k] = -1;
+            }
+         }
+      }
+      // precompute the classifications[] array to avoid inner-loop mod/divide
+      // call it 'classdata' since we already have r->classifications
+      r->classdata = (uint8 **) setup_malloc(f, sizeof(*r->classdata) * f->codebooks[r->classbook].entries);
+      if (!r->classdata) return error(f, VORBIS_outofmem);
+      memset(r->classdata, 0, sizeof(*r->classdata) * f->codebooks[r->classbook].entries);
+      for (j=0; j < f->codebooks[r->classbook].entries; ++j) {
+         int classwords = f->codebooks[r->classbook].dimensions;
+         int temp = j;
+         r->classdata[j] = (uint8 *) setup_malloc(f, sizeof(r->classdata[j][0]) * classwords);
+         for (k=classwords-1; k >= 0; --k) {
+            r->classdata[j][k] = temp % r->classifications;
+            temp /= r->classifications;
+         }
+      }
+   }
+
+   f->mapping_count = get_bits(f,6)+1;
+   f->mapping = (Mapping *) setup_malloc(f, f->mapping_count * sizeof(*f->mapping));
+   for (i=0; i < f->mapping_count; ++i) {
+      Mapping *m = f->mapping + i;      
+      int mapping_type = get_bits(f,16);
+      if (mapping_type != 0) return error(f, VORBIS_invalid_setup);
+      m->chan = (MappingChannel *) setup_malloc(f, f->channels * sizeof(*m->chan));
+      if (get_bits(f,1))
+         m->submaps = get_bits(f,4);
+      else
+         m->submaps = 1;
+      if (m->submaps > max_submaps)
+         max_submaps = m->submaps;
+      if (get_bits(f,1)) {
+         m->coupling_steps = get_bits(f,8)+1;
+         for (k=0; k < m->coupling_steps; ++k) {
+            m->chan[k].magnitude = get_bits(f, ilog(f->channels)-1);
+            m->chan[k].angle = get_bits(f, ilog(f->channels)-1);
+            if (m->chan[k].magnitude >= f->channels)        return error(f, VORBIS_invalid_setup);
+            if (m->chan[k].angle     >= f->channels)        return error(f, VORBIS_invalid_setup);
+            if (m->chan[k].magnitude == m->chan[k].angle)   return error(f, VORBIS_invalid_setup);
+         }
+      } else
+         m->coupling_steps = 0;
+
+      // reserved field
+      if (get_bits(f,2)) return error(f, VORBIS_invalid_setup);
+      if (m->submaps > 1) {
+         for (j=0; j < f->channels; ++j) {
+            m->chan[j].mux = get_bits(f, 4);
+            if (m->chan[j].mux >= m->submaps)                return error(f, VORBIS_invalid_setup);
+         }
+      } else
+         // @SPECIFICATION: this case is missing from the spec
+         for (j=0; j < f->channels; ++j)
+            m->chan[j].mux = 0;
+
+      for (j=0; j < m->submaps; ++j) {
+         get_bits(f,8); // discard
+         m->submap_floor[j] = get_bits(f,8);
+         m->submap_residue[j] = get_bits(f,8);
+         if (m->submap_floor[j] >= f->floor_count)      return error(f, VORBIS_invalid_setup);
+         if (m->submap_residue[j] >= f->residue_count)  return error(f, VORBIS_invalid_setup);
+      }
+   }
+
+   // Modes
+   f->mode_count = get_bits(f, 6)+1;
+   for (i=0; i < f->mode_count; ++i) {
+      Mode *m = f->mode_config+i;
+      m->blockflag = get_bits(f,1);
+      m->windowtype = get_bits(f,16);
+      m->transformtype = get_bits(f,16);
+      m->mapping = get_bits(f,8);
+      if (m->windowtype != 0)                 return error(f, VORBIS_invalid_setup);
+      if (m->transformtype != 0)              return error(f, VORBIS_invalid_setup);
+      if (m->mapping >= f->mapping_count)     return error(f, VORBIS_invalid_setup);
+   }
+
+   flush_packet(f);
+
+   f->previous_length = 0;
+
+   for (i=0; i < f->channels; ++i) {
+      f->channel_buffers[i] = (float *) setup_malloc(f, sizeof(float) * f->blocksize_1);
+      f->previous_window[i] = (float *) setup_malloc(f, sizeof(float) * f->blocksize_1/2);
+      f->finalY[i]          = (int16 *) setup_malloc(f, sizeof(int16) * longest_floorlist);
+      #ifdef STB_VORBIS_NO_DEFER_FLOOR
+      f->floor_buffers[i]   = (float *) setup_malloc(f, sizeof(float) * f->blocksize_1/2);
+      #endif
+   }
+
+   if (!init_blocksize(f, 0, f->blocksize_0)) return FALSE;
+   if (!init_blocksize(f, 1, f->blocksize_1)) return FALSE;
+   f->blocksize[0] = f->blocksize_0;
+   f->blocksize[1] = f->blocksize_1;
+
+#ifdef STB_VORBIS_DIVIDE_TABLE
+   if (integer_divide_table[1][1]==0)
+      for (i=0; i < DIVTAB_NUMER; ++i)
+         for (j=1; j < DIVTAB_DENOM; ++j)
+            integer_divide_table[i][j] = i / j;
+#endif
+
+   // compute how much temporary memory is needed
+
+   // 1.
+   {
+      uint32 imdct_mem = (f->blocksize_1 * sizeof(float) >> 1);
+      uint32 classify_mem;
+      int i,max_part_read=0;
+      for (i=0; i < f->residue_count; ++i) {
+         Residue *r = f->residue_config + i;
+         int n_read = r->end - r->begin;
+         int part_read = n_read / r->part_size;
+         if (part_read > max_part_read)
+            max_part_read = part_read;
+      }
+      #ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
+      classify_mem = f->channels * (sizeof(void*) + max_part_read * sizeof(uint8 *));
+      #else
+      classify_mem = f->channels * (sizeof(void*) + max_part_read * sizeof(int *));
+      #endif
+
+      f->temp_memory_required = classify_mem;
+      if (imdct_mem > f->temp_memory_required)
+         f->temp_memory_required = imdct_mem;
+   }
+
+   f->first_decode = TRUE;
+
+   if (f->alloc.alloc_buffer) {
+      assert(f->temp_offset == f->alloc.alloc_buffer_length_in_bytes);
+      // check if there's enough temp memory so we don't error later
+      if (f->setup_offset + sizeof(*f) + f->temp_memory_required > (unsigned) f->temp_offset)
+         return error(f, VORBIS_outofmem);
+   }
+
+   f->first_audio_page_offset = stb_vorbis_get_file_offset(f);
+
+   return TRUE;
+}
+
+static void vorbis_deinit(stb_vorbis *p)
+{
+   int i,j;
+   for (i=0; i < p->residue_count; ++i) {
+      Residue *r = p->residue_config+i;
+      if (r->classdata) {
+         for (j=0; j < p->codebooks[r->classbook].entries; ++j)
+            setup_free(p, r->classdata[j]);
+         setup_free(p, r->classdata);
+      }
+      setup_free(p, r->residue_books);
+   }
+
+   if (p->codebooks) {
+      for (i=0; i < p->codebook_count; ++i) {
+         Codebook *c = p->codebooks + i;
+         setup_free(p, c->codeword_lengths);
+         setup_free(p, c->multiplicands);
+         setup_free(p, c->codewords);
+         setup_free(p, c->sorted_codewords);
+         // c->sorted_values[-1] is the first entry in the array
+         setup_free(p, c->sorted_values ? c->sorted_values-1 : NULL);
+      }
+      setup_free(p, p->codebooks);
+   }
+   setup_free(p, p->floor_config);
+   setup_free(p, p->residue_config);
+   for (i=0; i < p->mapping_count; ++i)
+      setup_free(p, p->mapping[i].chan);
+   setup_free(p, p->mapping);
+   for (i=0; i < p->channels; ++i) {
+      setup_free(p, p->channel_buffers[i]);
+      setup_free(p, p->previous_window[i]);
+      #ifdef STB_VORBIS_NO_DEFER_FLOOR
+      setup_free(p, p->floor_buffers[i]);
+      #endif
+      setup_free(p, p->finalY[i]);
+   }
+   for (i=0; i < 2; ++i) {
+      setup_free(p, p->A[i]);
+      setup_free(p, p->B[i]);
+      setup_free(p, p->C[i]);
+      setup_free(p, p->window[i]);
+   }
+   #ifndef STB_VORBIS_NO_STDIO
+   if (p->close_on_free) fclose(p->f);
+   #endif
+}
+
+void stb_vorbis_close(stb_vorbis *p)
+{
+   if (p == NULL) return;
+   vorbis_deinit(p);
+   setup_free(p,p);
+}
+
+static void vorbis_init(stb_vorbis *p, stb_vorbis_alloc *z)
+{
+   memset(p, 0, sizeof(*p)); // NULL out all malloc'd pointers to start
+   if (z) {
+      p->alloc = *z;
+      p->alloc.alloc_buffer_length_in_bytes = (p->alloc.alloc_buffer_length_in_bytes+3) & ~3;
+      p->temp_offset = p->alloc.alloc_buffer_length_in_bytes;
+   }
+   p->eof = 0;
+   p->error = VORBIS__no_error;
+   p->stream = NULL;
+   p->codebooks = NULL;
+   p->page_crc_tests = -1;
+   #ifndef STB_VORBIS_NO_STDIO
+   p->close_on_free = FALSE;
+   p->f = NULL;
+   #endif
+}
+
+int stb_vorbis_get_sample_offset(stb_vorbis *f)
+{
+   if (f->current_loc_valid)
+      return f->current_loc;
+   else
+      return -1;
+}
+
+stb_vorbis_info stb_vorbis_get_info(stb_vorbis *f)
+{
+   stb_vorbis_info d;
+   d.channels = f->channels;
+   d.sample_rate = f->sample_rate;
+   d.setup_memory_required = f->setup_memory_required;
+   d.setup_temp_memory_required = f->setup_temp_memory_required;
+   d.temp_memory_required = f->temp_memory_required;
+   d.max_frame_size = f->blocksize_1 >> 1;
+   return d;
+}
+
+int stb_vorbis_get_error(stb_vorbis *f)
+{
+   int e = f->error;
+   f->error = VORBIS__no_error;
+   return e;
+}
+
+static stb_vorbis * vorbis_alloc(stb_vorbis *f)
+{
+   stb_vorbis *p = (stb_vorbis *) setup_malloc(f, sizeof(*p));
+   return p;
+}
+
+#ifndef STB_VORBIS_NO_PUSHDATA_API
+
+void stb_vorbis_flush_pushdata(stb_vorbis *f)
+{
+   f->previous_length = 0;
+   f->page_crc_tests  = 0;
+   f->discard_samples_deferred = 0;
+   f->current_loc_valid = FALSE;
+   f->first_decode = FALSE;
+   f->samples_output = 0;
+   f->channel_buffer_start = 0;
+   f->channel_buffer_end = 0;
+}
+
+static int vorbis_search_for_page_pushdata(vorb *f, uint8 *data, int data_len)
+{
+   int i,n;
+   for (i=0; i < f->page_crc_tests; ++i)
+      f->scan[i].bytes_done = 0;
+
+   // if we have room for more scans, search for them first, because
+   // they may cause us to stop early if their header is incomplete
+   if (f->page_crc_tests < STB_VORBIS_PUSHDATA_CRC_COUNT) {
+      if (data_len < 4) return 0;
+      data_len -= 3; // need to look for 4-byte sequence, so don't miss
+                     // one that straddles a boundary
+      for (i=0; i < data_len; ++i) {
+         if (data[i] == 0x4f) {
+            if (0==memcmp(data+i, ogg_page_header, 4)) {
+               int j,len;
+               uint32 crc;
+               // make sure we have the whole page header
+               if (i+26 >= data_len || i+27+data[i+26] >= data_len) {
+                  // only read up to this page start, so hopefully we'll
+                  // have the whole page header start next time
+                  data_len = i;
+                  break;
+               }
+               // ok, we have it all; compute the length of the page
+               len = 27 + data[i+26];
+               for (j=0; j < data[i+26]; ++j)
+                  len += data[i+27+j];
+               // scan everything up to the embedded crc (which we must 0)
+               crc = 0;
+               for (j=0; j < 22; ++j)
+                  crc = crc32_update(crc, data[i+j]);
+               // now process 4 0-bytes
+               for (   ; j < 26; ++j)
+                  crc = crc32_update(crc, 0);
+               // len is the total number of bytes we need to scan
+               n = f->page_crc_tests++;
+               f->scan[n].bytes_left = len-j;
+               f->scan[n].crc_so_far = crc;
+               f->scan[n].goal_crc = data[i+22] + (data[i+23] << 8) + (data[i+24]<<16) + (data[i+25]<<24);
+               // if the last frame on a page is continued to the next, then
+               // we can't recover the sample_loc immediately
+               if (data[i+27+data[i+26]-1] == 255)
+                  f->scan[n].sample_loc = ~0;
+               else
+                  f->scan[n].sample_loc = data[i+6] + (data[i+7] << 8) + (data[i+ 8]<<16) + (data[i+ 9]<<24);
+               f->scan[n].bytes_done = i+j;
+               if (f->page_crc_tests == STB_VORBIS_PUSHDATA_CRC_COUNT)
+                  break;
+               // keep going if we still have room for more
+            }
+         }
+      }
+   }
+
+   for (i=0; i < f->page_crc_tests;) {
+      uint32 crc;
+      int j;
+      int n = f->scan[i].bytes_done;
+      int m = f->scan[i].bytes_left;
+      if (m > data_len - n) m = data_len - n;
+      // m is the bytes to scan in the current chunk
+      crc = f->scan[i].crc_so_far;
+      for (j=0; j < m; ++j)
+         crc = crc32_update(crc, data[n+j]);
+      f->scan[i].bytes_left -= m;
+      f->scan[i].crc_so_far = crc;
+      if (f->scan[i].bytes_left == 0) {
+         // does it match?
+         if (f->scan[i].crc_so_far == f->scan[i].goal_crc) {
+            // Houston, we have page
+            data_len = n+m; // consumption amount is wherever that scan ended
+            f->page_crc_tests = -1; // drop out of page scan mode
+            f->previous_length = 0; // decode-but-don't-output one frame
+            f->next_seg = -1;       // start a new page
+            f->current_loc = f->scan[i].sample_loc; // set the current sample location
+                                    // to the amount we'd have decoded had we decoded this page
+            f->current_loc_valid = f->current_loc != ~0;
+            return data_len;
+         }
+         // delete entry
+         f->scan[i] = f->scan[--f->page_crc_tests];
+      } else {
+         ++i;
+      }
+   }
+
+   return data_len;
+}
+
+// return value: number of bytes we used
+int stb_vorbis_decode_frame_pushdata(
+         stb_vorbis *f,                 // the file we're decoding
+         uint8 *data, int data_len,     // the memory available for decoding
+         int *channels,                 // place to write number of float * buffers
+         float ***output,               // place to write float ** array of float * buffers
+         int *samples                   // place to write number of output samples
+     )
+{
+   int i;
+   int len,right,left;
+
+   if (!IS_PUSH_MODE(f)) return error(f, VORBIS_invalid_api_mixing);
+
+   if (f->page_crc_tests >= 0) {
+      *samples = 0;
+      return vorbis_search_for_page_pushdata(f, data, data_len);
+   }
+
+   f->stream     = data;
+   f->stream_end = data + data_len;
+   f->error      = VORBIS__no_error;
+
+   // check that we have the entire packet in memory
+   if (!is_whole_packet_present(f, FALSE)) {
+      *samples = 0;
+      return 0;
+   }
+
+   if (!vorbis_decode_packet(f, &len, &left, &right)) {
+      // save the actual error we encountered
+      enum STBVorbisError error = f->error;
+      if (error == VORBIS_bad_packet_type) {
+         // flush and resynch
+         f->error = VORBIS__no_error;
+         while (get8_packet(f) != EOP)
+            if (f->eof) break;
+         *samples = 0;
+         return f->stream - data;
+      }
+      if (error == VORBIS_continued_packet_flag_invalid) {
+         if (f->previous_length == 0) {
+            // we may be resynching, in which case it's ok to hit one
+            // of these; just discard the packet
+            f->error = VORBIS__no_error;
+            while (get8_packet(f) != EOP)
+               if (f->eof) break;
+            *samples = 0;
+            return f->stream - data;
+         }
+      }
+      // if we get an error while parsing, what to do?
+      // well, it DEFINITELY won't work to continue from where we are!
+      stb_vorbis_flush_pushdata(f);
+      // restore the error that actually made us bail
+      f->error = error;
+      *samples = 0;
+      return 1;
+   }
+
+   // success!
+   len = vorbis_finish_frame(f, len, left, right);
+   for (i=0; i < f->channels; ++i)
+      f->outputs[i] = f->channel_buffers[i] + left;
+
+   if (channels) *channels = f->channels;
+   *samples = len;
+   *output = f->outputs;
+   return f->stream - data;
+}
+
+stb_vorbis *stb_vorbis_open_pushdata(
+         unsigned char *data, int data_len, // the memory available for decoding
+         int *data_used,              // only defined if result is not NULL
+         int *error, stb_vorbis_alloc *alloc)
+{
+   stb_vorbis *f, p;
+   vorbis_init(&p, alloc);
+   p.stream     = data;
+   p.stream_end = data + data_len;
+   p.push_mode  = TRUE;
+   if (!start_decoder(&p)) {
+      if (p.eof)
+         *error = VORBIS_need_more_data;
+      else
+         *error = p.error;
+      return NULL;
+   }
+   f = vorbis_alloc(&p);
+   if (f) {
+      *f = p;
+      *data_used = f->stream - data;
+      *error = 0;
+      return f;
+   } else {
+      vorbis_deinit(&p);
+      return NULL;
+   }
+}
+#endif // STB_VORBIS_NO_PUSHDATA_API
+
+unsigned int stb_vorbis_get_file_offset(stb_vorbis *f)
+{
+   #ifndef STB_VORBIS_NO_PUSHDATA_API
+   if (f->push_mode) return 0;
+   #endif
+   if (USE_MEMORY(f)) return f->stream - f->stream_start;
+   #ifndef STB_VORBIS_NO_STDIO
+   return ftell(f->f) - f->f_start;
+   #endif
+}
+
+#ifndef STB_VORBIS_NO_PULLDATA_API
+//
+// DATA-PULLING API
+//
+
+static uint32 vorbis_find_page(stb_vorbis *f, uint32 *end, uint32 *last)
+{
+   for(;;) {
+      int n;
+      if (f->eof) return 0;
+      n = get8(f);
+      if (n == 0x4f) { // page header
+         unsigned int retry_loc = stb_vorbis_get_file_offset(f);
+         int i;
+         // check if we're off the end of a file_section stream
+         if (retry_loc - 25 > f->stream_len)
+            return 0;
+         // check the rest of the header
+         for (i=1; i < 4; ++i)
+            if (get8(f) != ogg_page_header[i])
+               break;
+         if (f->eof) return 0;
+         if (i == 4) {
+            uint8 header[27];
+            uint32 i, crc, goal, len;
+            for (i=0; i < 4; ++i)
+               header[i] = ogg_page_header[i];
+            for (; i < 27; ++i)
+               header[i] = get8(f);
+            if (f->eof) return 0;
+            if (header[4] != 0) goto invalid;
+            goal = header[22] + (header[23] << 8) + (header[24]<<16) + (header[25]<<24);
+            for (i=22; i < 26; ++i)
+               header[i] = 0;
+            crc = 0;
+            for (i=0; i < 27; ++i)
+               crc = crc32_update(crc, header[i]);
+            len = 0;
+            for (i=0; i < header[26]; ++i) {
+               int s = get8(f);
+               crc = crc32_update(crc, s);
+               len += s;
+            }
+            if (len && f->eof) return 0;
+            for (i=0; i < len; ++i)
+               crc = crc32_update(crc, get8(f));
+            // finished parsing probable page
+            if (crc == goal) {
+               // we could now check that it's either got the last
+               // page flag set, OR it's followed by the capture
+               // pattern, but I guess TECHNICALLY you could have
+               // a file with garbage between each ogg page and recover
+               // from it automatically? So even though that paranoia
+               // might decrease the chance of an invalid decode by
+               // another 2^32, not worth it since it would hose those
+               // invalid-but-useful files?
+               if (end)
+                  *end = stb_vorbis_get_file_offset(f);
+               if (last)
+                  if (header[5] & 0x04)
+                     *last = 1;
+                  else
+                     *last = 0;
+               set_file_offset(f, retry_loc-1);
+               return 1;
+            }
+         }
+        invalid:
+         // not a valid page, so rewind and look for next one
+         set_file_offset(f, retry_loc);
+      }
+   }
+}
+
+// seek is implemented with 'interpolation search'--this is like
+// binary search, but we use the data values to estimate the likely
+// location of the data item (plus a bit of a bias so when the
+// estimation is wrong we don't waste overly much time)
+
+#define SAMPLE_unknown  0xffffffff
+
+
+// ogg vorbis, in its insane infinite wisdom, only provides
+// information about the sample at the END of the page.
+// therefore we COULD have the data we need in the current
+// page, and not know it. we could just use the end location
+// as our only knowledge for bounds, seek back, and eventually
+// the binary search finds it. or we can try to be smart and
+// not waste time trying to locate more pages. we try to be
+// smart, since this data is already in memory anyway, so
+// doing needless I/O would be crazy!
+static int vorbis_analyze_page(stb_vorbis *f, ProbedPage *z)
+{
+   uint8 header[27], lacing[255];
+   uint8 packet_type[255];
+   int num_packet, packet_start, previous =0;
+   int i,len;
+   uint32 samples;
+
+   // record where the page starts
+   z->page_start = stb_vorbis_get_file_offset(f);
+
+   // parse the header
+   getn(f, header, 27);
+   assert(header[0] == 'O' && header[1] == 'g' && header[2] == 'g' && header[3] == 'S');
+   getn(f, lacing, header[26]);
+
+   // determine the length of the payload
+   len = 0;
+   for (i=0; i < header[26]; ++i)
+      len += lacing[i];
+
+   // this implies where the page ends
+   z->page_end = z->page_start + 27 + header[26] + len;
+
+   // read the last-decoded sample out of the data
+   z->last_decoded_sample = header[6] + (header[7] << 8) + (header[8] << 16) + (header[9] << 16);
+
+   if (header[5] & 4) {
+      // if this is the last page, it's not possible to work
+      // backwards to figure out the first sample! whoops! fuck.
+      z->first_decoded_sample = SAMPLE_unknown;
+      set_file_offset(f, z->page_start);
+      return 1;
+   }
+
+   // scan through the frames to determine the sample-count of each one...
+   // our goal is the sample # of the first fully-decoded sample on the
+   // page, which is the first decoded sample of the 2nd page
+
+   num_packet=0;
+
+   packet_start = ((header[5] & 1) == 0);
+
+   for (i=0; i < header[26]; ++i) {
+      if (packet_start) {
+         uint8 n,b,m;
+         if (lacing[i] == 0) goto bail; // trying to read from zero-length packet
+         n = get8(f);
+         // if bottom bit is non-zero, we've got corruption
+         if (n & 1) goto bail;
+         n >>= 1;
+         b = ilog(f->mode_count-1);
+         m = n >> b;
+         n &= (1 << b)-1;
+         if (n >= f->mode_count) goto bail;
+         if (num_packet == 0 && f->mode_config[n].blockflag)
+            previous = (m & 1);
+         packet_type[num_packet++] = f->mode_config[n].blockflag;
+         skip(f, lacing[i]-1);
+      } else
+         skip(f, lacing[i]);
+      packet_start = (lacing[i] < 255);
+   }
+
+   // now that we know the sizes of all the pages, we can start determining
+   // how much sample data there is.
+
+   samples = 0;
+
+   // for the last packet, we step by its whole length, because the definition
+   // is that we encoded the end sample loc of the 'last packet completed',
+   // where 'completed' refers to packets being split, and we are left to guess
+   // what 'end sample loc' means. we assume it means ignoring the fact that
+   // the last half of the data is useless without windowing against the next
+   // packet... (so it's not REALLY complete in that sense)
+   if (num_packet > 1)
+      samples += f->blocksize[packet_type[num_packet-1]];
+
+   for (i=num_packet-2; i >= 1; --i) {
+      // now, for this packet, how many samples do we have that
+      // do not overlap the following packet?
+      if (packet_type[i] == 1)
+         if (packet_type[i+1] == 1)
+            samples += f->blocksize_1 >> 1;
+         else
+            samples += ((f->blocksize_1 - f->blocksize_0) >> 2) + (f->blocksize_0 >> 1);
+      else
+         samples += f->blocksize_0 >> 1;
+   }
+   // now, at this point, we've rewound to the very beginning of the
+   // _second_ packet. if we entirely discard the first packet after
+   // a seek, this will be exactly the right sample number. HOWEVER!
+   // we can't as easily compute this number for the LAST page. The
+   // only way to get the sample offset of the LAST page is to use
+   // the end loc from the previous page. But what that returns us
+   // is _exactly_ the place where we get our first non-overlapped
+   // sample. (I think. Stupid spec for being ambiguous.) So for
+   // consistency it's better to do that here, too. However, that
+   // will then require us to NOT discard all of the first frame we
+   // decode, in some cases, which means an even weirder frame size
+   // and extra code. what a fucking pain.
+   
+   // we're going to discard the first packet if we
+   // start the seek here, so we don't care about it. (we could actually
+   // do better; if the first packet is long, and the previous packet
+   // is short, there's actually data in the first half of the first
+   // packet that doesn't need discarding... but not worth paying the
+   // effort of tracking that of that here and in the seeking logic)
+   // except crap, if we infer it from the _previous_ packet's end
+   // location, we DO need to use that definition... and we HAVE to
+   // infer the start loc of the LAST packet from the previous packet's
+   // end location. fuck you, ogg vorbis.
+
+   z->first_decoded_sample = z->last_decoded_sample - samples;
+
+   // restore file state to where we were
+   set_file_offset(f, z->page_start);
+   return 1;
+
+   // restore file state to where we were
+  bail:
+   set_file_offset(f, z->page_start);
+   return 0;
+}
+
+static int vorbis_seek_frame_from_page(stb_vorbis *f, uint32 page_start, uint32 first_sample, uint32 target_sample, int fine)
+{
+   int left_start, left_end, right_start, right_end, mode,i;
+   int frame=0;
+   uint32 frame_start;
+   int frames_to_skip, data_to_skip;
+
+   // first_sample is the sample # of the first sample that doesn't
+   // overlap the previous page... note that this requires us to
+   // _partially_ discard the first packet! bleh.
+   set_file_offset(f, page_start);
+
+   f->next_seg = -1;  // force page resync
+
+   frame_start = first_sample;
+   // frame start is where the previous packet's last decoded sample
+   // was, which corresponds to left_end... EXCEPT if the previous
+   // packet was long and this packet is short? Probably a bug here.
+
+
+   // now, we can start decoding frames... we'll only FAKE decode them,
+   // until we find the frame that contains our sample; then we'll rewind,
+   // and try again
+   for (;;) {
+      int start;
+
+      if (!vorbis_decode_initial(f, &left_start, &left_end, &right_start, &right_end, &mode))
+         return error(f, VORBIS_seek_failed);
+
+      if (frame == 0)
+         start = left_end;
+      else
+         start = left_start;
+
+      // the window starts at left_start; the last valid sample we generate
+      // before the next frame's window start is right_start-1
+      if (target_sample < frame_start + right_start-start)
+         break;
+
+      flush_packet(f);
+      if (f->eof)
+         return error(f, VORBIS_seek_failed);
+
+      frame_start += right_start - start;
+
+      ++frame;
+   }
+
+   // ok, at this point, the sample we want is contained in frame #'frame'
+
+   // to decode frame #'frame' normally, we have to decode the
+   // previous frame first... but if it's the FIRST frame of the page
+   // we can't. if it's the first frame, it means it falls in the part
+   // of the first frame that doesn't overlap either of the other frames.
+   // so, if we have to handle that case for the first frame, we might
+   // as well handle it for all of them, so:
+   if (target_sample > frame_start + (left_end - left_start)) {
+      // so what we want to do is go ahead and just immediately decode
+      // this frame, but then make it so the next get_frame_float() uses
+      // this already-decoded data? or do we want to go ahead and rewind,
+      // and leave a flag saying to skip the first N data? let's do that
+      frames_to_skip = frame;  // if this is frame #1, skip 1 frame (#0)
+      data_to_skip = left_end - left_start;
+   } else {
+      // otherwise, we want to skip frames 0, 1, 2, ... frame-2
+      // (which means frame-2+1 total frames) then decode frame-1,
+      // then leave frame pending
+      frames_to_skip = frame - 1;
+      assert(frames_to_skip >= 0);
+      data_to_skip = -1;      
+   }
+
+   set_file_offset(f, page_start);
+   f->next_seg = - 1; // force page resync
+
+   for (i=0; i < frames_to_skip; ++i) {
+      maybe_start_packet(f);
+      flush_packet(f);
+   }
+
+   if (data_to_skip >= 0) {
+      int i,j,n = f->blocksize_0 >> 1;
+      f->discard_samples_deferred = data_to_skip;
+      for (i=0; i < f->channels; ++i)
+         for (j=0; j < n; ++j)
+            f->previous_window[i][j] = 0;
+      f->previous_length = n;
+      frame_start += data_to_skip;
+   } else {
+      f->previous_length = 0;
+      vorbis_pump_first_frame(f);
+   }
+
+   // at this point, the NEXT decoded frame will generate the desired sample
+   if (fine) {
+      // so if we're doing sample accurate streaming, we want to go ahead and decode it!
+      if (target_sample != frame_start) {
+         int n;
+         stb_vorbis_get_frame_float(f, &n, NULL);
+         assert(target_sample > frame_start);
+         assert(f->channel_buffer_start + (int) (target_sample-frame_start) < f->channel_buffer_end);
+         f->channel_buffer_start += (target_sample - frame_start);
+      }
+   }
+
+   return 0;
+}
+
+static int vorbis_seek_base(stb_vorbis *f, unsigned int sample_number, int fine)
+{
+   ProbedPage p[2],q;
+   if (IS_PUSH_MODE(f)) return error(f, VORBIS_invalid_api_mixing);
+
+   // do we know the location of the last page?
+   if (f->p_last.page_start == 0) {
+      uint32 z = stb_vorbis_stream_length_in_samples(f);
+      if (z == 0) return error(f, VORBIS_cant_find_last_page);
+   }
+
+   p[0] = f->p_first;
+   p[1] = f->p_last;
+
+   if (sample_number >= f->p_last.last_decoded_sample)
+      sample_number = f->p_last.last_decoded_sample-1;
+
+   if (sample_number < f->p_first.last_decoded_sample) {
+      vorbis_seek_frame_from_page(f, p[0].page_start, 0, sample_number, fine);
+      return 0;
+   } else {
+      int attempts=0;
+      while (p[0].page_end < p[1].page_start) {
+         uint32 probe;
+         uint32 start_offset, end_offset;
+         uint32 start_sample, end_sample;
+
+         // copy these into local variables so we can tweak them
+         // if any are unknown
+         start_offset = p[0].page_end;
+         end_offset   = p[1].after_previous_page_start; // an address known to seek to page p[1]
+         start_sample = p[0].last_decoded_sample;
+         end_sample   = p[1].last_decoded_sample;
+
+         // currently there is no such tweaking logic needed/possible?
+         if (start_sample == SAMPLE_unknown || end_sample == SAMPLE_unknown)
+            return error(f, VORBIS_seek_failed);
+
+         // now we want to lerp between these for the target samples...
+      
+         // step 1: we need to bias towards the page start...
+         if (start_offset + 4000 < end_offset)
+            end_offset -= 4000;
+
+         // now compute an interpolated search loc
+         probe = start_offset + (int) floor((float) (end_offset - start_offset) / (end_sample - start_sample) * (sample_number - start_sample));
+
+         // next we need to bias towards binary search...
+         // code is a little wonky to allow for full 32-bit unsigned values
+         if (attempts >= 4) {
+            uint32 probe2 = start_offset + ((end_offset - start_offset) >> 1);
+            if (attempts >= 8)
+               probe = probe2;
+            else if (probe < probe2)
+               probe = probe + ((probe2 - probe) >> 1);
+            else
+               probe = probe2 + ((probe - probe2) >> 1);
+         }
+         ++attempts;
+
+         set_file_offset(f, probe);
+         if (!vorbis_find_page(f, NULL, NULL))   return error(f, VORBIS_seek_failed);
+         if (!vorbis_analyze_page(f, &q))        return error(f, VORBIS_seek_failed);
+         q.after_previous_page_start = probe;
+
+         // it's possible we've just found the last page again
+         if (q.page_start == p[1].page_start) {
+            p[1] = q;
+            continue;
+         }
+
+         if (sample_number < q.last_decoded_sample)
+            p[1] = q;
+         else
+            p[0] = q;
+      }
+
+      if (p[0].last_decoded_sample <= sample_number && sample_number < p[1].last_decoded_sample) {
+         vorbis_seek_frame_from_page(f, p[1].page_start, p[0].last_decoded_sample, sample_number, fine);
+         return 0;
+      }
+      return error(f, VORBIS_seek_failed);
+   }
+}
+
+int stb_vorbis_seek_frame(stb_vorbis *f, unsigned int sample_number)
+{
+   return vorbis_seek_base(f, sample_number, FALSE);
+}
+
+int stb_vorbis_seek(stb_vorbis *f, unsigned int sample_number)
+{
+   return vorbis_seek_base(f, sample_number, TRUE);
+}
+
+void stb_vorbis_seek_start(stb_vorbis *f)
+{
+   if (IS_PUSH_MODE(f)) { error(f, VORBIS_invalid_api_mixing); return; }
+   set_file_offset(f, f->first_audio_page_offset);
+   f->previous_length = 0;
+   f->first_decode = TRUE;
+   f->next_seg = -1;
+   vorbis_pump_first_frame(f);
+}
+
+unsigned int stb_vorbis_stream_length_in_samples(stb_vorbis *f)
+{
+   unsigned int restore_offset, previous_safe;
+   unsigned int end, last_page_loc;
+
+   if (IS_PUSH_MODE(f)) return error(f, VORBIS_invalid_api_mixing);
+   if (!f->total_samples) {
+      int last;
+      uint32 lo,hi;
+      char header[6];
+
+      // first, store the current decode position so we can restore it
+      restore_offset = stb_vorbis_get_file_offset(f);
+
+      // now we want to seek back 64K from the end (the last page must
+      // be at most a little less than 64K, but let's allow a little slop)
+      if (f->stream_len >= 65536 && f->stream_len-65536 >= f->first_audio_page_offset)
+         previous_safe = f->stream_len - 65536;
+      else
+         previous_safe = f->first_audio_page_offset;
+
+      set_file_offset(f, previous_safe);
+      // previous_safe is now our candidate 'earliest known place that seeking
+      // to will lead to the final page'
+
+      if (!vorbis_find_page(f, &end, (int unsigned *)&last)) {
+         // if we can't find a page, we're hosed!
+         f->error = VORBIS_cant_find_last_page;
+         f->total_samples = 0xffffffff;
+         goto done;
+      }
+
+      // check if there are more pages
+      last_page_loc = stb_vorbis_get_file_offset(f);
+
+      // stop when the last_page flag is set, not when we reach eof;
+      // this allows us to stop short of a 'file_section' end without
+      // explicitly checking the length of the section
+      while (!last) {
+         set_file_offset(f, end);
+         if (!vorbis_find_page(f, &end, (int unsigned *)&last)) {
+            // the last page we found didn't have the 'last page' flag
+            // set. whoops!
+            break;
+         }
+         previous_safe = last_page_loc+1;
+         last_page_loc = stb_vorbis_get_file_offset(f);
+      }
+
+      set_file_offset(f, last_page_loc);
+
+      // parse the header
+      getn(f, (unsigned char *)header, 6);
+      // extract the absolute granule position
+      lo = get32(f);
+      hi = get32(f);
+      if (lo == 0xffffffff && hi == 0xffffffff) {
+         f->error = VORBIS_cant_find_last_page;
+         f->total_samples = SAMPLE_unknown;
+         goto done;
+      }
+      if (hi)
+         lo = 0xfffffffe; // saturate
+      f->total_samples = lo;
+
+      f->p_last.page_start = last_page_loc;
+      f->p_last.page_end   = end;
+      f->p_last.last_decoded_sample = lo;
+      f->p_last.first_decoded_sample = SAMPLE_unknown;
+      f->p_last.after_previous_page_start = previous_safe;
+
+     done:
+      set_file_offset(f, restore_offset);
+   }
+   return f->total_samples == SAMPLE_unknown ? 0 : f->total_samples;
+}
+
+float stb_vorbis_stream_length_in_seconds(stb_vorbis *f)
+{
+   return stb_vorbis_stream_length_in_samples(f) / (float) f->sample_rate;
+}
+
+
+
+int stb_vorbis_get_frame_float(stb_vorbis *f, int *channels, float ***output)
+{
+   int len, right,left,i;
+   if (IS_PUSH_MODE(f)) return error(f, VORBIS_invalid_api_mixing);
+
+   if (!vorbis_decode_packet(f, &len, &left, &right)) {
+      f->channel_buffer_start = f->channel_buffer_end = 0;
+      return 0;
+   }
+
+   len = vorbis_finish_frame(f, len, left, right);
+   for (i=0; i < f->channels; ++i)
+      f->outputs[i] = f->channel_buffers[i] + left;
+
+   f->channel_buffer_start = left;
+   f->channel_buffer_end   = left+len;
+
+   if (channels) *channels = f->channels;
+   if (output)   *output = f->outputs;
+   return len;
+}
+
+#ifndef STB_VORBIS_NO_STDIO
+
+stb_vorbis * stb_vorbis_open_file_section(FILE *file, int close_on_free, int *error, stb_vorbis_alloc *alloc, unsigned int length)
+{
+   stb_vorbis *f, p;
+   vorbis_init(&p, alloc);
+   p.f = file;
+   p.f_start = ftell(file);
+   p.stream_len   = length;
+   p.close_on_free = close_on_free;
+   if (start_decoder(&p)) {
+      f = vorbis_alloc(&p);
+      if (f) {
+         *f = p;
+         vorbis_pump_first_frame(f);
+         return f;
+      }
+   }
+   if (error) *error = p.error;
+   vorbis_deinit(&p);
+   return NULL;
+}
+
+stb_vorbis * stb_vorbis_open_file(FILE *file, int close_on_free, int *error, stb_vorbis_alloc *alloc)
+{
+   unsigned int len, start;
+   start = ftell(file);
+   fseek(file, 0, SEEK_END);
+   len = ftell(file) - start;
+   fseek(file, start, SEEK_SET);
+   return stb_vorbis_open_file_section(file, close_on_free, error, alloc, len);
+}
+
+stb_vorbis * stb_vorbis_open_filename(char *filename, int *error, stb_vorbis_alloc *alloc)
+{
+   FILE *f = fopen(filename, "rb");
+   if (f) 
+      return stb_vorbis_open_file(f, TRUE, error, alloc);
+   if (error) *error = VORBIS_file_open_failure;
+   return NULL;
+}
+#endif // STB_VORBIS_NO_STDIO
+
+stb_vorbis * stb_vorbis_open_memory(unsigned char *data, int len, int *error, stb_vorbis_alloc *alloc)
+{
+   stb_vorbis *f, p;
+   if (data == NULL) return NULL;
+   vorbis_init(&p, alloc);
+   p.stream = data;
+   p.stream_end = data + len;
+   p.stream_start = p.stream;
+   p.stream_len = len;
+   p.push_mode = FALSE;
+   if (start_decoder(&p)) {
+      f = vorbis_alloc(&p);
+      if (f) {
+         *f = p;
+         vorbis_pump_first_frame(f);
+         return f;
+      }
+   }
+   if (error) *error = p.error;
+   vorbis_deinit(&p);
+   return NULL;
+}
+
+#ifndef STB_VORBIS_NO_INTEGER_CONVERSION
+#define PLAYBACK_MONO     1
+#define PLAYBACK_LEFT     2
+#define PLAYBACK_RIGHT    4
+
+#define L  (PLAYBACK_LEFT  | PLAYBACK_MONO)
+#define C  (PLAYBACK_LEFT  | PLAYBACK_RIGHT | PLAYBACK_MONO)
+#define R  (PLAYBACK_RIGHT | PLAYBACK_MONO)
+
+static int8 channel_position[7][6] =
+{
+   { 0 },
+   { C },
+   { L, R },
+   { L, C, R },
+   { L, R, L, R },
+   { L, C, R, L, R },
+   { L, C, R, L, R, C },
+};
+
+
+#ifndef STB_VORBIS_NO_FAST_SCALED_FLOAT
+   typedef union {
+      float f;
+      int i;
+   } float_conv;
+   typedef char stb_vorbis_float_size_test[sizeof(float)==4 && sizeof(int) == 4];
+   #define FASTDEF(x) float_conv x
+   // add (1<<23) to convert to int, then divide by 2^SHIFT, then add 0.5/2^SHIFT to round
+   #define MAGIC(SHIFT) (1.5f * (1 << (23-SHIFT)) + 0.5f/(1 << SHIFT))
+   #define ADDEND(SHIFT) (((150-SHIFT) << 23) + (1 << 22))
+   #define FAST_SCALED_FLOAT_TO_INT(temp,x,s) (temp.f = (x) + MAGIC(s), temp.i - ADDEND(s))
+   #define check_endianness()  
+#else
+   #define FAST_SCALED_FLOAT_TO_INT(temp,x,s) ((int) ((x) * (1 << (s))))
+   #define check_endianness()
+   #define FASTDEF(x)
+#endif
+
+static void copy_samples(short *dest, float *src, int len)
+{
+   int i;
+   check_endianness();
+   for (i=0; i < len; ++i) {
+      FASTDEF(temp);
+      int v = FAST_SCALED_FLOAT_TO_INT(temp, src[i],15);
+      if ((unsigned int) (v + 32768) > 65535)
+         v = v < 0 ? -32768 : 32767;
+      dest[i] = v;
+   }
+}
+
+static void compute_samples(int mask, short *output, int num_c, float **data, int d_offset, int len)
+{
+   #define BUFFER_SIZE  32
+   float buffer[BUFFER_SIZE];
+   int i,j,o,n = BUFFER_SIZE;
+   check_endianness();
+   for (o = 0; o < len; o += BUFFER_SIZE) {
+      memset(buffer, 0, sizeof(buffer));
+      if (o + n > len) n = len - o;
+      for (j=0; j < num_c; ++j) {
+         if (channel_position[num_c][j] & mask) {
+            for (i=0; i < n; ++i)
+               buffer[i] += data[j][d_offset+o+i];
+         }
+      }
+      for (i=0; i < n; ++i) {
+         FASTDEF(temp);
+         int v = FAST_SCALED_FLOAT_TO_INT(temp,buffer[i],15);
+         if ((unsigned int) (v + 32768) > 65535)
+            v = v < 0 ? -32768 : 32767;
+         output[o+i] = v;
+      }
+   }
+}
+
+static int channel_selector[3][2] = { {0}, {PLAYBACK_MONO}, {PLAYBACK_LEFT, PLAYBACK_RIGHT} };
+static void compute_stereo_samples(short *output, int num_c, float **data, int d_offset, int len)
+{
+   #define BUFFER_SIZE  32
+   float buffer[BUFFER_SIZE];
+   int i,j,o,n = BUFFER_SIZE >> 1;
+   // o is the offset in the source data
+   check_endianness();
+   for (o = 0; o < len; o += BUFFER_SIZE >> 1) {
+      // o2 is the offset in the output data
+      int o2 = o << 1;
+      memset(buffer, 0, sizeof(buffer));
+      if (o + n > len) n = len - o;
+      for (j=0; j < num_c; ++j) {
+         int m = channel_position[num_c][j] & (PLAYBACK_LEFT | PLAYBACK_RIGHT);
+         if (m == (PLAYBACK_LEFT | PLAYBACK_RIGHT)) {
+            for (i=0; i < n; ++i) {
+               buffer[i*2+0] += data[j][d_offset+o+i];
+               buffer[i*2+1] += data[j][d_offset+o+i];
+            }
+         } else if (m == PLAYBACK_LEFT) {
+            for (i=0; i < n; ++i) {
+               buffer[i*2+0] += data[j][d_offset+o+i];
+            }
+         } else if (m == PLAYBACK_RIGHT) {
+            for (i=0; i < n; ++i) {
+               buffer[i*2+1] += data[j][d_offset+o+i];
+            }
+         }
+      }
+      for (i=0; i < (n<<1); ++i) {
+         FASTDEF(temp);
+         int v = FAST_SCALED_FLOAT_TO_INT(temp,buffer[i],15);
+         if ((unsigned int) (v + 32768) > 65535)
+            v = v < 0 ? -32768 : 32767;
+         output[o2+i] = v;
+      }
+   }
+}
+
+static void convert_samples_short(int buf_c, short **buffer, int b_offset, int data_c, float **data, int d_offset, int samples)
+{
+   int i;
+   if (buf_c != data_c && buf_c <= 2 && data_c <= 6) {
+      static int channel_selector[3][2] = { {0}, {PLAYBACK_MONO}, {PLAYBACK_LEFT, PLAYBACK_RIGHT} };
+      for (i=0; i < buf_c; ++i)
+         compute_samples(channel_selector[buf_c][i], buffer[i]+b_offset, data_c, data, d_offset, samples);
+   } else {
+      int limit = buf_c < data_c ? buf_c : data_c;
+      for (i=0; i < limit; ++i)
+         copy_samples(buffer[i]+b_offset, data[i], samples);
+      for (   ; i < buf_c; ++i)
+         memset(buffer[i]+b_offset, 0, sizeof(short) * samples);
+   }
+}
+
+int stb_vorbis_get_frame_short(stb_vorbis *f, int num_c, short **buffer, int num_samples)
+{
+   float **output;
+   int len = stb_vorbis_get_frame_float(f, NULL, &output);
+   if (len > num_samples) len = num_samples;
+   if (len)
+      convert_samples_short(num_c, buffer, 0, f->channels, output, 0, len);
+   return len;
+}
+
+static void convert_channels_short_interleaved(int buf_c, short *buffer, int data_c, float **data, int d_offset, int len)
+{
+   int i;
+   check_endianness();
+   if (buf_c != data_c && buf_c <= 2 && data_c <= 6) {
+      assert(buf_c == 2);
+      for (i=0; i < buf_c; ++i)
+         compute_stereo_samples(buffer, data_c, data, d_offset, len);
+   } else {
+      int limit = buf_c < data_c ? buf_c : data_c;
+      int j;
+      for (j=0; j < len; ++j) {
+         for (i=0; i < limit; ++i) {
+            FASTDEF(temp);
+            float f = data[i][d_offset+j];
+            int v = FAST_SCALED_FLOAT_TO_INT(temp, f,15);//data[i][d_offset+j],15);
+            if ((unsigned int) (v + 32768) > 65535)
+               v = v < 0 ? -32768 : 32767;
+            *buffer++ = v;
+         }
+         for (   ; i < buf_c; ++i)
+            *buffer++ = 0;
+      }
+   }
+}
+
+int stb_vorbis_get_frame_short_interleaved(stb_vorbis *f, int num_c, short *buffer, int num_shorts)
+{
+   float **output;
+   int len;
+   if (num_c == 1) return stb_vorbis_get_frame_short(f,num_c,&buffer, num_shorts);
+   len = stb_vorbis_get_frame_float(f, NULL, &output);
+   if (len) {
+      if (len*num_c > num_shorts) len = num_shorts / num_c;
+      convert_channels_short_interleaved(num_c, buffer, f->channels, output, 0, len);
+   }
+   return len;
+}
+
+int stb_vorbis_get_samples_short_interleaved(stb_vorbis *f, int channels, short *buffer, int num_shorts)
+{
+   float **outputs;
+   int len = num_shorts / channels;
+   int n=0;
+   int z = f->channels;
+   if (z > channels) z = channels;
+   while (n < len) {
+      int k = f->channel_buffer_end - f->channel_buffer_start;
+      if (n+k >= len) k = len - n;
+      if (k)
+         convert_channels_short_interleaved(channels, buffer, f->channels, f->channel_buffers, f->channel_buffer_start, k);
+      buffer += k*channels;
+      n += k;
+      f->channel_buffer_start += k;
+      if (n == len) break;
+      if (!stb_vorbis_get_frame_float(f, NULL, &outputs)) break;
+   }
+   return n;
+}
+
+int stb_vorbis_get_samples_short(stb_vorbis *f, int channels, short **buffer, int len)
+{
+   float **outputs;
+   int n=0;
+   int z = f->channels;
+   if (z > channels) z = channels;
+   while (n < len) {
+      int k = f->channel_buffer_end - f->channel_buffer_start;
+      if (n+k >= len) k = len - n;
+      if (k)
+         convert_samples_short(channels, buffer, n, f->channels, f->channel_buffers, f->channel_buffer_start, k);
+      n += k;
+      f->channel_buffer_start += k;
+      if (n == len) break;
+      if (!stb_vorbis_get_frame_float(f, NULL, &outputs)) break;
+   }
+   return n;
+}
+
+#ifndef STB_VORBIS_NO_STDIO
+int stb_vorbis_decode_filename(char *filename, int *channels, short **output)
+{
+   int data_len, offset, total, limit, error;
+   short *data;
+   stb_vorbis *v = stb_vorbis_open_filename(filename, &error, NULL);
+   if (v == NULL) return -1;
+   limit = v->channels * 4096;
+   *channels = v->channels;
+   offset = data_len = 0;
+   total = limit;
+   data = (short *) malloc(total * sizeof(*data));
+   if (data == NULL) {
+      stb_vorbis_close(v);
+      return -2;
+   }
+   for (;;) {
+      int n = stb_vorbis_get_frame_short_interleaved(v, v->channels, data+offset, total-offset);
+      if (n == 0) break;
+      data_len += n;
+      offset += n * v->channels;
+      if (offset + limit > total) {
+         short *data2;
+         total *= 2;
+         data2 = (short *) realloc(data, total * sizeof(*data));
+         if (data2 == NULL) {
+            free(data);
+            stb_vorbis_close(v);
+            return -2;
+         }
+         data = data2;
+      }
+   }
+   *output = data;
+   return data_len;
+}
+#endif // NO_STDIO
+
+int stb_vorbis_decode_memory(uint8 *mem, int len, int *channels, short **output)
+{
+   int data_len, offset, total, limit, error;
+   short *data;
+   stb_vorbis *v = stb_vorbis_open_memory(mem, len, &error, NULL);
+   if (v == NULL) return -1;
+   limit = v->channels * 4096;
+   *channels = v->channels;
+   offset = data_len = 0;
+   total = limit;
+   data = (short *) malloc(total * sizeof(*data));
+   if (data == NULL) {
+      stb_vorbis_close(v);
+      return -2;
+   }
+   for (;;) {
+      int n = stb_vorbis_get_frame_short_interleaved(v, v->channels, data+offset, total-offset);
+      if (n == 0) break;
+      data_len += n;
+      offset += n * v->channels;
+      if (offset + limit > total) {
+         short *data2;
+         total *= 2;
+         data2 = (short *) realloc(data, total * sizeof(*data));
+         if (data2 == NULL) {
+            free(data);
+            stb_vorbis_close(v);
+            return -2;
+         }
+         data = data2;
+      }
+   }
+   *output = data;
+   return data_len;
+}
+#endif
+
+int stb_vorbis_get_samples_float_interleaved(stb_vorbis *f, int channels, float *buffer, int num_floats)
+{
+   float **outputs;
+   int len = num_floats / channels;
+   int n=0;
+   int z = f->channels;
+   if (z > channels) z = channels;
+   while (n < len) {
+      int i,j;
+      int k = f->channel_buffer_end - f->channel_buffer_start;
+      if (n+k >= len) k = len - n;
+      for (j=0; j < k; ++j) {
+         for (i=0; i < z; ++i)
+            *buffer++ = f->channel_buffers[i][f->channel_buffer_start+j];
+         for (   ; i < channels; ++i)
+            *buffer++ = 0;
+      }
+      n += k;
+      f->channel_buffer_start += k;
+      if (n == len) break;
+      if (!stb_vorbis_get_frame_float(f, NULL, &outputs)) break;
+   }
+   return n;
+}
+
+int stb_vorbis_get_samples_float(stb_vorbis *f, int channels, float **buffer, int num_samples)
+{
+   float **outputs;
+   int n=0;
+   int z = f->channels;
+   if (z > channels) z = channels;
+   while (n < num_samples) {
+      int i;
+      int k = f->channel_buffer_end - f->channel_buffer_start;
+      if (n+k >= num_samples) k = num_samples - n;
+      if (k) {
+         for (i=0; i < z; ++i)
+            memcpy(buffer[i]+n, f->channel_buffers+f->channel_buffer_start, sizeof(float)*k);
+         for (   ; i < channels; ++i)
+            memset(buffer[i]+n, 0, sizeof(float) * k);
+      }
+      n += k;
+      f->channel_buffer_start += k;
+      if (n == num_samples) break;
+      if (!stb_vorbis_get_frame_float(f, NULL, &outputs)) break;
+   }
+   return n;
+}
+#endif // STB_VORBIS_NO_PULLDATA_API
+
+#endif // STB_VORBIS_HEADER_ONLY
diff --git a/src/util/efx-util.h b/src/util/efx-util.h
new file mode 100644 (file)
index 0000000..dd7a7de
--- /dev/null
@@ -0,0 +1,447 @@
+/*******************************************************************\
+*                                                                   *
+*  EFX-UTIL.H - EFX Utilities functions and Reverb Presets          *
+*                                                                   *
+*               File revision 1.0                                   *
+*                                                                   *
+* from https://svn.lcube.de/websvn/dev123/filedetails.php?repname=projects&path=%2Fvendor%2Fopenal-win%2Finclude%2FEFX-Util.h&rev=4 *
+\*******************************************************************/
+
+#ifndef EFX_UTIL_H_INCLUDED
+#define EFX_UTIL_H_INCLUDED
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+#pragma pack(push, 4)
+
+#ifndef EAXVECTOR_DEFINED
+#define EAXVECTOR_DEFINED
+typedef struct _EAXVECTOR {
+        float x;
+        float y;
+        float z;
+} EAXVECTOR;
+#endif
+
+#ifndef EAXREVERBPROPERTIES_DEFINED
+#define EAXREVERBPROPERTIES_DEFINED
+typedef struct _EAXREVERBPROPERTIES
+{
+    unsigned long ulEnvironment;
+    float flEnvironmentSize;
+    float flEnvironmentDiffusion;
+    long lRoom;
+    long lRoomHF;
+    long lRoomLF;
+    float flDecayTime;
+    float flDecayHFRatio;
+    float flDecayLFRatio;
+    long lReflections;
+    float flReflectionsDelay;
+    EAXVECTOR vReflectionsPan;
+    long lReverb;
+    float flReverbDelay;
+    EAXVECTOR vReverbPan;
+    float flEchoTime;
+    float flEchoDepth;
+    float flModulationTime;
+    float flModulationDepth;
+    float flAirAbsorptionHF;
+    float flHFReference;
+    float flLFReference;
+    float flRoomRolloffFactor;
+    unsigned long ulFlags;
+} EAXREVERBPROPERTIES, *LPEAXREVERBPROPERTIES;
+#endif
+
+#ifndef EFXEAXREVERBPROPERTIES_DEFINED
+#define EFXEAXREVERBPROPERTIES_DEFINED
+typedef struct
+{
+        float flDensity;
+        float flDiffusion;
+        float flGain;
+        float flGainHF;
+        float flGainLF;
+        float flDecayTime;
+        float flDecayHFRatio;
+        float flDecayLFRatio;
+        float flReflectionsGain;
+        float flReflectionsDelay;
+        float flReflectionsPan[3];
+        float flLateReverbGain;
+        float flLateReverbDelay;
+        float flLateReverbPan[3];
+        float flEchoTime;
+        float flEchoDepth;
+        float flModulationTime;
+        float flModulationDepth;
+        float flAirAbsorptionGainHF;
+        float flHFReference;
+        float flLFReference;
+        float flRoomRolloffFactor;
+        int     iDecayHFLimit;
+} EFXEAXREVERBPROPERTIES, *LPEFXEAXREVERBPROPERTIES;
+#endif
+
+#ifndef EAXOBSTRUCTIONPROPERTIES_DEFINED
+#define EAXOBSTRUCTIONPROPERTIES_DEFINED
+typedef struct _EAXOBSTRUCTIONPROPERTIES
+{
+    long          lObstruction;
+    float         flObstructionLFRatio;
+} EAXOBSTRUCTIONPROPERTIES, *LPEAXOBSTRUCTIONPROPERTIES;
+#endif
+
+#ifndef EAXOCCLUSIONPROPERTIES_DEFINED
+#define EAXOCCLUSIONPROPERTIES_DEFINED
+typedef struct _EAXOCCLUSIONPROPERTIES
+{
+    long          lOcclusion;
+    float         flOcclusionLFRatio;
+    float         flOcclusionRoomRatio;
+    float         flOcclusionDirectRatio;
+} EAXOCCLUSIONPROPERTIES, *LPEAXOCCLUSIONPROPERTIES;
+#endif
+
+#ifndef EAXEXCLUSIONPROPERTIES_DEFINED
+#define EAXEXCLUSIONPROPERTIES_DEFINED
+typedef struct _EAXEXCLUSIONPROPERTIES
+{
+    long          lExclusion;
+    float         flExclusionLFRatio;
+} EAXEXCLUSIONPROPERTIES, *LPEAXEXCLUSIONPROPERTIES;
+#endif
+
+#ifndef EFXLOWPASSFILTER_DEFINED
+#define EFXLOWPASSFILTER_DEFINED
+typedef struct _EFXLOWPASSFILTER
+{
+        float           flGain;
+        float           flGainHF;
+} EFXLOWPASSFILTER, *LPEFXLOWPASSFILTER;
+#endif
+
+#ifdef EFXUTILDLL_EXPORTS
+ #define EFX_API __declspec(dllexport)
+#else
+ #define EFX_API
+#endif
+
+EFX_API void __cdecl ConvertReverbParameters(EAXREVERBPROPERTIES *pEAXProp, EFXEAXREVERBPROPERTIES *pEFXEAXReverb);
+EFX_API void __cdecl ConvertObstructionParameters(EAXOBSTRUCTIONPROPERTIES *pObProp, EFXLOWPASSFILTER *pDirectLowPassFilter);
+EFX_API void __cdecl ConvertExclusionParameters(EAXEXCLUSIONPROPERTIES *pExProp, EFXLOWPASSFILTER *pSendLowPassFilter);
+EFX_API void __cdecl ConvertOcclusionParameters(EAXOCCLUSIONPROPERTIES *pOcProp, EFXLOWPASSFILTER *pDirectLowPassFilter, EFXLOWPASSFILTER *pSendLowPassFilter);
+EFX_API void __cdecl AdjustEnvironmentSize(EAXREVERBPROPERTIES *pEAXProp, float flEnvironmentSize);
+
+/***********************************************************************************************\
+*
+* EAX Reverb Presets in legacy format - use ConvertReverbParameters() to convert to
+* EFX EAX Reverb Presets for use with the OpenAL Effects Extension.
+*
+************************************************************************************************/
+
+//      Env             Size    Diffus  Room    RoomHF  RoomLF  DecTm   DcHF    DcLF    Refl    RefDel  Ref Pan                         Revb    RevDel          Rev Pan                         EchTm   EchDp   ModTm   ModDp   AirAbs  HFRef           LFRef   RRlOff  FLAGS
+#define REVERB_PRESET_GENERIC \
+        {0,             7.5f,   1.000f, -1000,  -100,   0,              1.49f,  0.83f,  1.00f,  -2602,  0.007f, 0.00f,0.00f,0.00f,      200,    0.011f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x3f }
+#define REVERB_PRESET_PADDEDCELL \
+        {1,             1.4f,   1.000f, -1000,  -6000,  0,              0.17f,  0.10f,  1.00f,  -1204,  0.001f, 0.00f,0.00f,0.00f,  207,        0.002f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x3f }
+#define REVERB_PRESET_ROOM \
+        {2,             1.9f,   1.000f, -1000,  -454,   0,              0.40f,  0.83f,  1.00f,  -1646,  0.002f, 0.00f,0.00f,0.00f,      53,             0.003f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x3f }
+#define REVERB_PRESET_BATHROOM \
+        {3,             1.4f,   1.000f, -1000,  -1200,  0,              1.49f,  0.54f,  1.00f,  -370,   0.007f, 0.00f,0.00f,0.00f,      1030,   0.011f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x3f }
+#define REVERB_PRESET_LIVINGROOM \
+        {4,             2.5f,   1.000f, -1000,  -6000,  0,              0.50f,  0.10f,  1.00f,  -1376,  0.003f, 0.00f,0.00f,0.00f,      -1104,  0.004f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x3f }
+#define REVERB_PRESET_STONEROOM \
+        {5,             11.6f,  1.000f,  -1000, -300,   0,              2.31f,  0.64f,  1.00f,  -711,   0.012f, 0.00f,0.00f,0.00f,      83,             0.017f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x3f }
+#define REVERB_PRESET_AUDITORIUM \
+        {6,             21.6f,  1.000f,  -1000, -476,   0,              4.32f,  0.59f,  1.00f,  -789,   0.020f, 0.00f,0.00f,0.00f,      -289,   0.030f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x3f }
+#define REVERB_PRESET_CONCERTHALL \
+        {7,             19.6f,  1.000f,  -1000, -500,   0,              3.92f,  0.70f,  1.00f,  -1230,  0.020f, 0.00f,0.00f,0.00f,  -02,        0.029f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x3f }
+#define REVERB_PRESET_CAVE \
+        {8,             14.6f,  1.000f,  -1000, 0,              0,              2.91f,  1.30f,  1.00f,  -602,   0.015f, 0.00f,0.00f,0.00f,      -302,   0.022f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x1f }
+#define REVERB_PRESET_ARENA \
+        {9,             36.2f,  1.000f,  -1000, -698,   0,              7.24f,  0.33f,  1.00f,  -1166,  0.020f, 0.00f,0.00f,0.00f,  16,         0.030f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x3f }
+#define REVERB_PRESET_HANGAR \
+        {10,    50.3f,  1.000f,  -1000, -1000,  0,              10.05f, 0.23f,  1.00f,  -602,   0.020f, 0.00f,0.00f,0.00f,  198,        0.030f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x3f }
+#define REVERB_PRESET_CARPETTEDHALLWAY \
+        {11,    1.9f,   1.000f, -1000,  -4000,  0,              0.30f,  0.10f,  1.00f,  -1831,  0.002f, 0.00f,0.00f,0.00f,      -1630,  0.030f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x3f }
+#define REVERB_PRESET_HALLWAY \
+        {12,    1.8f,   1.000f, -1000,  -300,   0,              1.49f,  0.59f,  1.00f,  -1219,  0.007f, 0.00f,0.00f,0.00f,  441,        0.011f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x3f }
+#define REVERB_PRESET_STONECORRIDOR \
+        {13,    13.5f,  1.000f, -1000,  -237,   0,              2.70f,  0.79f,  1.00f,  -1214,  0.013f, 0.00f,0.00f,0.00f,  395,        0.020f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x3f }
+#define REVERB_PRESET_ALLEY \
+        {14,    7.5f,   0.300f, -1000,  -270,   0,              1.49f,  0.86f,  1.00f,  -1204,  0.007f, 0.00f,0.00f,0.00f,  -4,         0.011f,         0.00f,0.00f,0.00f,      0.125f, 0.950f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x3f }
+#define REVERB_PRESET_FOREST \
+        {15,    38.0f,  0.300f, -1000,  -3300,  0,              1.49f,  0.54f,  1.00f,  -2560,  0.162f, 0.00f,0.00f,0.00f,      -229,   0.088f,         0.00f,0.00f,0.00f,      0.125f, 1.000f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x3f }
+#define REVERB_PRESET_CITY \
+        {16,    7.5f,   0.500f, -1000,  -800,   0,              1.49f,  0.67f,  1.00f,  -2273,  0.007f, 0.00f,0.00f,0.00f,      -1691,  0.011f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x3f }
+#define REVERB_PRESET_MOUNTAINS \
+        {17,    100.0f, 0.270f, -1000,  -2500,  0,              1.49f,  0.21f,  1.00f,  -2780,  0.300f, 0.00f,0.00f,0.00f,      -1434,  0.100f,         0.00f,0.00f,0.00f,      0.250f, 1.000f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x1f }
+#define REVERB_PRESET_QUARRY \
+        {18,    17.5f,  1.000f, -1000,  -1000,  0,              1.49f,  0.83f,  1.00f,  -10000, 0.061f, 0.00f,0.00f,0.00f,  500,        0.025f,         0.00f,0.00f,0.00f,      0.125f, 0.700f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x3f }
+#define REVERB_PRESET_PLAIN \
+        {19,    42.5f,  0.210f, -1000,  -2000,  0,              1.49f,  0.50f,  1.00f,  -2466,  0.179f, 0.00f,0.00f,0.00f,      -1926,  0.100f,         0.00f,0.00f,0.00f,      0.250f, 1.000f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x3f }
+#define REVERB_PRESET_PARKINGLOT \
+        {20,    8.3f,   1.000f, -1000,  0,              0,              1.65f,  1.50f,  1.00f,  -1363,  0.008f, 0.00f,0.00f,0.00f,      -1153,  0.012f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x1f }
+#define REVERB_PRESET_SEWERPIPE \
+        {21,    1.7f,   0.800f, -1000,  -1000,  0,              2.81f,  0.14f,  1.00f,  429,    0.014f, 0.00f,0.00f,0.00f,      1023,   0.021f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x3f }
+#define REVERB_PRESET_UNDERWATER \
+        {22,    1.8f,   1.000f, -1000,  -4000,  0,              1.49f,  0.10f,  1.00f,  -449,   0.007f, 0.00f,0.00f,0.00f,      1700,   0.011f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 1.180f, 0.348f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x3f }
+#define REVERB_PRESET_DRUGGED \
+        {23,    1.9f,   0.500f, -1000,  0,              0,              8.39f,  1.39f,  1.00f,  -115,   0.002f, 0.00f,0.00f,0.00f,  985,        0.030f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 1.000f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x1f }
+#define REVERB_PRESET_DIZZY \
+        {24,    1.8f,   0.600f, -1000,  -400,   0,              17.23f, 0.56f,  1.00f,  -1713,  0.020f, 0.00f,0.00f,0.00f,      -613,   0.030f,         0.00f,0.00f,0.00f,      0.250f, 1.000f, 0.810f, 0.310f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x1f }
+#define REVERB_PRESET_PSYCHOTIC \
+        {25,    1.0f,   0.500f, -1000,  -151,   0,              7.56f,  0.91f,  1.00f,  -626,   0.020f, 0.00f,0.00f,0.00f,  774,        0.030f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 4.000f, 1.000f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x1f }
+
+
+// CASTLE PRESETS
+
+//      Env             Size    Diffus  Room    RoomHF  RoomLF  DecTm   DcHF    DcLF    Refl    RefDel  Ref Pan                         Revb    RevDel          Rev Pan                         EchTm   EchDp   ModTm   ModDp   AirAbs  HFRef           LFRef   RRlOff  FLAGS
+#define REVERB_PRESET_CASTLE_SMALLROOM \
+        { 26,   8.3f,   0.890f, -1000,  -800,   -2000,  1.22f,  0.83f,  0.31f,  -100,   0.022f, 0.00f,0.00f,0.00f,      600,    0.011f,         0.00f,0.00f,0.00f,      0.138f, 0.080f, 0.250f, 0.000f, -5.0f,  5168.6f,        139.5f,  0.00f, 0x20 }
+#define REVERB_PRESET_CASTLE_SHORTPASSAGE \
+        { 26,   8.3f,   0.890f, -1000,  -1000,  -2000,  2.32f,  0.83f,  0.31f,  -100,   0.007f, 0.00f,0.00f,0.00f,  200,                0.023f,         0.00f,0.00f,0.00f,      0.138f, 0.080f, 0.250f, 0.000f, -5.0f,  5168.6f,        139.5f,  0.00f, 0x20 }
+#define REVERB_PRESET_CASTLE_MEDIUMROOM \
+        { 26,   8.3f,   0.930f, -1000,  -1100,  -2000,  2.04f,  0.83f,  0.46f,  -400,   0.022f, 0.00f,0.00f,0.00f,      400,    0.011f,         0.00f,0.00f,0.00f,      0.155f, 0.030f, 0.250f, 0.000f, -5.0f,  5168.6f,        139.5f,  0.00f, 0x20 }
+#define REVERB_PRESET_CASTLE_LONGPASSAGE \
+        { 26,   8.3f,   0.890f, -1000,  -800,   -2000,  3.42f,  0.83f,  0.31f,  -100,   0.007f, 0.00f,0.00f,0.00f,      300,    0.023f,         0.00f,0.00f,0.00f,      0.138f, 0.080f, 0.250f, 0.000f, -5.0f,  5168.6f,        139.5f,  0.00f, 0x20 }
+#define REVERB_PRESET_CASTLE_LARGEROOM \
+        { 26,   8.3f,   0.820f, -1000,  -1100,  -1800,  2.53f,  0.83f,  0.50f,  -700,   0.034f, 0.00f,0.00f,0.00f,      200,            0.016f,         0.00f,0.00f,0.00f,      0.185f, 0.070f, 0.250f, 0.000f, -5.0f,  5168.6f,        139.5f,  0.00f, 0x20 }
+#define REVERB_PRESET_CASTLE_HALL \
+        { 26,   8.3f,   0.810f, -1000,  -1100,  -1500,  3.14f,  0.79f,  0.62f,  -1500,  0.056f, 0.00f,0.00f,0.00f,      100,    0.024f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  5168.6f,        139.5f,  0.00f, 0x20 }
+#define REVERB_PRESET_CASTLE_CUPBOARD \
+        { 26,   8.3f,   0.890f, -1000,  -1100,  -2000,  0.67f,  0.87f,  0.31f,  300,    0.010f, 0.00f,0.00f,0.00f,      1100,   0.007f,         0.00f,0.00f,0.00f,      0.138f, 0.080f, 0.250f, 0.000f, -5.0f,  5168.6f,        139.5f,  0.00f, 0x20 }
+#define REVERB_PRESET_CASTLE_COURTYARD \
+        { 26,   8.3f,   0.420f, -1000,  -700,   -1400,  2.13f,  0.61f,  0.23f,  -1300,  0.160f, 0.00f,0.00f,0.00f,      -300,   0.036f,         0.00f,0.00f,0.00f,      0.250f, 0.370f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f,  0.00f, 0x1f }
+#define REVERB_PRESET_CASTLE_ALCOVE \
+        { 26,   8.3f,   0.890f, -1000,  -600,   -2000,  1.64f,  0.87f,  0.31f,  00,     0.007f, 0.00f,0.00f,0.00f,              300,    0.034f,         0.00f,0.00f,0.00f,      0.138f, 0.080f, 0.250f, 0.000f, -5.0f,  5168.6f,        139.5f,  0.00f, 0x20 }
+
+
+// FACTORY PRESETS
+
+//      Env             Size    Diffus  Room    RoomHF  RoomLF  DecTm   DcHF    DcLF    Refl    RefDel  Ref Pan                         Revb    RevDel          Rev Pan                         EchTm   EchDp   ModTm   ModDp   AirAbs  HFRef           LFRef   RRlOff  FLAGS
+#define REVERB_PRESET_FACTORY_ALCOVE \
+        { 26,   1.8f,   0.590f,  -1200, -200,   -600,   3.14f,  0.65f,  1.31f,  300,    0.010f, 0.00f,0.00f,0.00f,      000,    0.038f,         0.00f,0.00f,0.00f,      0.114f, 0.100f, 0.250f, 0.000f, -5.0f,  3762.6f,        362.5f,  0.00f, 0x20 }
+#define REVERB_PRESET_FACTORY_SHORTPASSAGE \
+        { 26,   1.8f,   0.640f,  -1200, -200,   -600,   2.53f,  0.65f,  1.31f,  0,              0.010f, 0.00f,0.00f,0.00f,      200,    0.038f,         0.00f,0.00f,0.00f,      0.135f, 0.230f, 0.250f, 0.000f, -5.0f,  3762.6f,        362.5f,  0.00f, 0x20 }
+#define REVERB_PRESET_FACTORY_MEDIUMROOM \
+        { 26,   1.9f,   0.820f,  -1200, -200,   -600,   2.76f,  0.65f,  1.31f,  -1100,  0.022f, 0.00f,0.00f,0.00f,      300,    0.023f,         0.00f,0.00f,0.00f,      0.174f, 0.070f, 0.250f, 0.000f, -5.0f,  3762.6f,        362.5f,  0.00f, 0x20 }
+#define REVERB_PRESET_FACTORY_LONGPASSAGE \
+        { 26,   1.8f,   0.640f,  -1200, -200,   -600,   4.06f,  0.65f,  1.31f,  0,              0.020f, 0.00f,0.00f,0.00f,      200,    0.037f,         0.00f,0.00f,0.00f,      0.135f, 0.230f, 0.250f, 0.000f, -5.0f,  3762.6f,        362.5f,  0.00f, 0x20 }
+#define REVERB_PRESET_FACTORY_LARGEROOM \
+        { 26,   1.9f,   0.750f,  -1200, -300,   -400,   4.24f,  0.51f,  1.31f,  -1500,  0.039f, 0.00f,0.00f,0.00f,      100,            0.023f,         0.00f,0.00f,0.00f,      0.231f, 0.070f, 0.250f, 0.000f, -5.0f,  3762.6f,        362.5f,  0.00f, 0x20 }
+#define REVERB_PRESET_FACTORY_HALL \
+        { 26,   1.9f,   0.750f,  -1000, -300,   -400,   7.43f,  0.51f,  1.31f,  -2400,  0.073f, 0.00f,0.00f,0.00f,      -100,   0.027f,         0.00f,0.00f,0.00f,      0.250f, 0.070f, 0.250f, 0.000f, -5.0f,  3762.6f,        362.5f,  0.00f, 0x20 }
+#define REVERB_PRESET_FACTORY_CUPBOARD \
+        { 26,   1.7f,   0.630f,  -1200, -200,   -600,   0.49f,  0.65f,  1.31f,  200,    0.010f, 0.00f,0.00f,0.00f,      600,    0.032f,         0.00f,0.00f,0.00f,      0.107f, 0.070f, 0.250f, 0.000f, -5.0f,  3762.6f,        362.5f,  0.00f, 0x20 }
+#define REVERB_PRESET_FACTORY_COURTYARD \
+        { 26,   1.7f,   0.570f,  -1000, -1000,  -400,   2.32f,  0.29f,  0.56f,  -1300,  0.140f, 0.00f,0.00f,0.00f,      -800,   0.039f,         0.00f,0.00f,0.00f,      0.250f, 0.290f, 0.250f, 0.000f, -5.0f,  3762.6f,        362.5f,  0.00f, 0x20 }
+#define REVERB_PRESET_FACTORY_SMALLROOM \
+        { 26,   1.8f,   0.820f,  -1000, -200,   -600,   1.72f,  0.65f,  1.31f,  -300,   0.010f, 0.00f,0.00f,0.00f,      500,    0.024f,         0.00f,0.00f,0.00f,      0.119f, 0.070f, 0.250f, 0.000f, -5.0f,  3762.6f,        362.5f,  0.00f, 0x20 }
+
+
+// ICE PALACE PRESETS
+
+//      Env             Size    Diffus  Room    RoomHF  RoomLF  DecTm   DcHF    DcLF    Refl    RefDel  Ref Pan                         Revb    RevDel          Rev Pan                         EchTm   EchDp   ModTm   ModDp   AirAbs  HFRef           LFRef   RRlOff  FLAGS
+#define REVERB_PRESET_ICEPALACE_ALCOVE \
+        { 26,   2.7f,   0.840f, -1000,  -500,   -1100,  2.76f,  1.46f,  0.28f,  100,    0.010f, 0.00f,0.00f,0.00f,      -100,   0.030f,         0.00f,0.00f,0.00f,      0.161f, 0.090f, 0.250f, 0.000f, -5.0f,  12428.5f,       99.6f,  0.00f,  0x20 }
+#define REVERB_PRESET_ICEPALACE_SHORTPASSAGE \
+        { 26,   2.7f,   0.750f, -1000,  -500,   -1100,  1.79f,  1.46f,  0.28f,  -600,   0.010f, 0.00f,0.00f,0.00f,      100,            0.019f,         0.00f,0.00f,0.00f,      0.177f, 0.090f, 0.250f, 0.000f, -5.0f,  12428.5f,       99.6f,  0.00f,  0x20 }
+#define REVERB_PRESET_ICEPALACE_MEDIUMROOM \
+        { 26,   2.7f,   0.870f, -1000,  -500,   -700,   2.22f,  1.53f,  0.32f,  -800,   0.039f, 0.00f,0.00f,0.00f,      100,    0.027f,         0.00f,0.00f,0.00f,      0.186f, 0.120f, 0.250f, 0.000f, -5.0f,  12428.5f,       99.6f,  0.00f,  0x20 }
+#define REVERB_PRESET_ICEPALACE_LONGPASSAGE \
+        { 26,   2.7f,   0.770f, -1000,  -500,   -800,   3.01f,  1.46f,  0.28f,  -200,   0.012f, 0.00f,0.00f,0.00f,      200,    0.025f,         0.00f,0.00f,0.00f,      0.186f, 0.040f, 0.250f, 0.000f, -5.0f,  12428.5f,       99.6f,  0.00f,  0x20 }
+#define REVERB_PRESET_ICEPALACE_LARGEROOM \
+        { 26,   2.9f,   0.810f, -1000,  -500,   -700,   3.14f,  1.53f,  0.32f,  -1200,  0.039f, 0.00f,0.00f,0.00f,      000,    0.027f,         0.00f,0.00f,0.00f,      0.214f, 0.110f, 0.250f, 0.000f, -5.0f,  12428.5f,       99.6f,  0.00f,  0x20 }
+#define REVERB_PRESET_ICEPALACE_HALL \
+        { 26,   2.9f,   0.760f, -1000,  -700,   -500,   5.49f,  1.53f,  0.38f,  -1900,  0.054f, 0.00f,0.00f,0.00f,      -400,   0.052f,         0.00f,0.00f,0.00f,      0.226f, 0.110f, 0.250f, 0.000f, -5.0f,  12428.5f,       99.6f,  0.00f,  0x20 }
+#define REVERB_PRESET_ICEPALACE_CUPBOARD \
+        { 26,   2.7f,   0.830f, -1000,  -600,   -1300,  0.76f,  1.53f,  0.26f,  100,    0.012f, 0.00f,0.00f,0.00f,      600,    0.016f,         0.00f,0.00f,0.00f,      0.143f, 0.080f, 0.250f, 0.000f, -5.0f,  12428.5f,       99.6f,  0.00f,  0x20 }
+#define REVERB_PRESET_ICEPALACE_COURTYARD \
+        { 26,   2.9f,   0.590f, -1000,  -1100,  -1000,  2.04f,  1.20f,  0.38f,  -1000,  0.173f, 0.00f,0.00f,0.00f,      -1000,  0.043f,         0.00f,0.00f,0.00f,      0.235f, 0.480f, 0.250f, 0.000f, -5.0f,  12428.5f,       99.6f,  0.00f,  0x20 }
+#define REVERB_PRESET_ICEPALACE_SMALLROOM \
+        { 26,   2.7f,   0.840f, -1000,  -500,   -1100,  1.51f,  1.53f,  0.27f,  -100,   0.010f, 0.00f,0.00f,0.00f,      300,    0.011f,         0.00f,0.00f,0.00f,      0.164f, 0.140f, 0.250f, 0.000f, -5.0f,  12428.5f,       99.6f,  0.00f,  0x20 }
+
+
+// SPACE STATION PRESETS
+
+//      Env             Size    Diffus  Room    RoomHF  RoomLF  DecTm   DcHF    DcLF    Refl    RefDel  Ref Pan                         Revb    RevDel          Rev Pan                         EchTm   EchDp   ModTm   ModDp   AirAbs  HFRef           LFRef   RRlOff  FLAGS
+#define REVERB_PRESET_SPACESTATION_ALCOVE \
+        { 26,   1.5f,   0.780f, -1000,  -300,   -100,   1.16f,  0.81f,  0.55f,  300,    0.007f, 0.00f,0.00f,0.00f,      000,    0.018f,         0.00f,0.00f,0.00f,      0.192f, 0.210f, 0.250f, 0.000f, -5.0f,  3316.1f,        458.2f,  0.00f, 0x20 }
+#define REVERB_PRESET_SPACESTATION_MEDIUMROOM \
+        { 26,   1.5f,   0.750f, -1000,  -400,   -100,   3.01f,  0.50f,  0.55f,  -800,   0.034f, 0.00f,0.00f,0.00f,      100,            0.035f,         0.00f,0.00f,0.00f,      0.209f, 0.310f, 0.250f, 0.000f, -5.0f,  3316.1f,        458.2f,  0.00f, 0x20 }
+#define REVERB_PRESET_SPACESTATION_SHORTPASSAGE \
+        { 26,   1.5f,   0.870f, -1000,  -400,   -100,   3.57f,  0.50f,  0.55f,  0,              0.012f, 0.00f,0.00f,0.00f,      100,            0.016f,         0.00f,0.00f,0.00f,      0.172f, 0.200f, 0.250f, 0.000f, -5.0f,  3316.1f,        458.2f,  0.00f, 0x20 }
+#define REVERB_PRESET_SPACESTATION_LONGPASSAGE \
+        { 26,   1.9f,   0.820f, -1000,  -400,   -100,   4.62f,  0.62f,  0.55f,  0,              0.012f, 0.00f,0.00f,0.00f,      200,            0.031f,         0.00f,0.00f,0.00f,      0.250f, 0.230f, 0.250f, 0.000f, -5.0f,  3316.1f,        458.2f,  0.00f, 0x20 }
+#define REVERB_PRESET_SPACESTATION_LARGEROOM \
+        { 26,   1.8f,   0.810f, -1000,  -400,   -100,   3.89f,  0.38f,  0.61f,  -1000,  0.056f, 0.00f,0.00f,0.00f,      -100,   0.035f,         0.00f,0.00f,0.00f,      0.233f, 0.280f, 0.250f, 0.000f, -5.0f,  3316.1f,        458.2f,  0.00f, 0x20 }
+#define REVERB_PRESET_SPACESTATION_HALL \
+        { 26,   1.9f,   0.870f, -1000,  -400,   -100,   7.11f,  0.38f,  0.61f,  -1500,  0.100f, 0.00f,0.00f,0.00f,      -400,   0.047f,         0.00f,0.00f,0.00f,      0.250f, 0.250f, 0.250f, 0.000f, -5.0f,  3316.1f,        458.2f,  0.00f, 0x20 }
+#define REVERB_PRESET_SPACESTATION_CUPBOARD \
+        { 26,   1.4f,   0.560f, -1000,  -300,   -100,   0.79f,  0.81f,  0.55f,  300,    0.007f, 0.00f,0.00f,0.00f,      500,    0.018f,         0.00f,0.00f,0.00f,      0.181f, 0.310f, 0.250f, 0.000f, -5.0f,  3316.1f,        458.2f,  0.00f, 0x20 }
+#define REVERB_PRESET_SPACESTATION_SMALLROOM \
+        { 26,   1.5f,   0.700f, -1000,  -300,   -100,   1.72f,  0.82f,  0.55f,  -200,   0.007f, 0.00f,0.00f,0.00f,      300,    0.013f,         0.00f,0.00f,0.00f,      0.188f, 0.260f, 0.250f, 0.000f, -5.0f,  3316.1f,        458.2f,  0.00f, 0x20 }
+
+
+// WOODEN GALLEON PRESETS
+
+//      Env             Size    Diffus  Room    RoomHF  RoomLF  DecTm   DcHF    DcLF    Refl    RefDel  Ref Pan                         Revb    RevDel          Rev Pan                         EchTm   EchDp   ModTm   ModDp   AirAbs  HFRef           LFRef   RRlOff  FLAGS
+#define REVERB_PRESET_WOODEN_ALCOVE \
+        { 26,   7.5f,   1.000f, -1000,  -1800,  -1000,  1.22f,  0.62f,  0.91f,  100,    0.012f, 0.00f,0.00f,0.00f,      -300,   0.024f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  4705.0f,        99.6f,  0.00f,  0x3f }
+#define REVERB_PRESET_WOODEN_SHORTPASSAGE \
+        { 26,   7.5f,   1.000f, -1000,  -1800,  -1000,  1.75f,  0.50f,  0.87f,  -100,   0.012f, 0.00f,0.00f,0.00f,      -400,   0.024f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  4705.0f,        99.6f,  0.00f,  0x3f }
+#define REVERB_PRESET_WOODEN_MEDIUMROOM \
+        { 26,   7.5f,   1.000f, -1000,  -2000,  -1100,  1.47f,  0.42f,  0.82f,  -100,   0.049f, 0.00f,0.00f,0.00f,      -100,   0.029f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  4705.0f,        99.6f,  0.00f,  0x3f }
+#define REVERB_PRESET_WOODEN_LONGPASSAGE \
+        { 26,   7.5f,   1.000f, -1000,  -2000,  -1000,  1.99f,  0.40f,  0.79f,  000,    0.020f, 0.00f,0.00f,0.00f,      -700,   0.036f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  4705.0f,        99.6f,  0.00f,  0x3f }
+#define REVERB_PRESET_WOODEN_LARGEROOM \
+        { 26,   7.5f,   1.000f, -1000,  -2100,  -1100,  2.65f,  0.33f,  0.82f,  -100,   0.066f, 0.00f,0.00f,0.00f,      -200,   0.049f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  4705.0f,        99.6f,  0.00f,  0x3f }
+#define REVERB_PRESET_WOODEN_HALL \
+        { 26,   7.5f,   1.000f, -1000,  -2200,  -1100,  3.45f,  0.30f,  0.82f,  -100,   0.088f, 0.00f,0.00f,0.00f,      -200,   0.063f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  4705.0f,        99.6f,  0.00f,  0x3f }
+#define REVERB_PRESET_WOODEN_CUPBOARD \
+        { 26,   7.5f,   1.000f, -1000,  -1700,  -1000,  0.56f,  0.46f,  0.91f,  100,    0.012f, 0.00f,0.00f,0.00f,      100,    0.028f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  4705.0f,        99.6f,  0.00f,  0x3f }
+#define REVERB_PRESET_WOODEN_SMALLROOM \
+        { 26,   7.5f,   1.000f, -1000,  -1900,  -1000,  0.79f,  0.32f,  0.87f,  00,             0.032f, 0.00f,0.00f,0.00f,      -100,   0.029f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  4705.0f,        99.6f,  0.00f,  0x3f }
+#define REVERB_PRESET_WOODEN_COURTYARD \
+        { 26,   7.5f,   0.650f, -1000,  -2200,  -1000,  1.79f,  0.35f,  0.79f,  -500,   0.123f, 0.00f,0.00f,0.00f,      -2000,  0.032f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  4705.0f,        99.6f,  0.00f,  0x3f }
+
+
+// SPORTS PRESETS
+
+//      Env             Size    Diffus  Room    RoomHF  RoomLF  DecTm   DcHF    DcLF    Refl    RefDel  Ref Pan                         Revb    RevDel          Rev Pan                         EchTm   EchDp   ModTm   ModDp   AirAbs  HFRef           LFRef   RRlOff  FLAGS
+#define REVERB_PRESET_SPORT_EMPTYSTADIUM \
+        { 26,   7.2f,   1.000f, -1000,  -700,   -200,   6.26f,  0.51f,  1.10f,  -2400,  0.183f, 0.00f,0.00f,0.00f,      -800,   0.038f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f,  0.00f, 0x20 }
+#define REVERB_PRESET_SPORT_SQUASHCOURT \
+        { 26,   7.5f,   0.750f, -1000,  -1000,  -200,   2.22f,  0.91f,  1.16f,  -700,   0.007f, 0.00f,0.00f,0.00f,      -200,   0.011f,         0.00f,0.00f,0.00f,      0.126f, 0.190f, 0.250f, 0.000f, -5.0f,  7176.9f,        211.2f,  0.00f, 0x20 }
+#define REVERB_PRESET_SPORT_SMALLSWIMMINGPOOL \
+        { 26,  36.2f,   0.700f, -1000,  -200,   -100,   2.76f,  1.25f,  1.14f,  -400,   0.020f, 0.00f,0.00f,0.00f,      -200,   0.030f,         0.00f,0.00f,0.00f,      0.179f, 0.150f, 0.895f, 0.190f, -5.0f,  5000.0f,        250.0f,  0.00f, 0x0 }
+#define REVERB_PRESET_SPORT_LARGESWIMMINGPOOL\
+        { 26,  36.2f,   0.820f, -1000,  -200,   0,              5.49f,  1.31f,  1.14f,  -700,   0.039f, 0.00f,0.00f,0.00f,      -600,   0.049f,         0.00f,0.00f,0.00f,      0.222f, 0.550f, 1.159f, 0.210f, -5.0f,  5000.0f,        250.0f,  0.00f, 0x0 }
+#define REVERB_PRESET_SPORT_GYMNASIUM \
+        { 26,   7.5f,   0.810f, -1000,  -700,   -100,   3.14f,  1.06f,  1.35f,  -800,   0.029f, 0.00f,0.00f,0.00f,      -500,   0.045f,         0.00f,0.00f,0.00f,      0.146f, 0.140f, 0.250f, 0.000f, -5.0f,  7176.9f,        211.2f,  0.00f, 0x20 }
+#define REVERB_PRESET_SPORT_FULLSTADIUM \
+        { 26,   7.2f,   1.000f, -1000,  -2300,  -200,   5.25f,  0.17f,  0.80f,  -2000,  0.188f, 0.00f,0.00f,0.00f,      -1100,  0.038f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f,  0.00f, 0x20 }
+#define REVERB_PRESET_SPORT_STADIUMTANNOY \
+        { 26,   3.0f,   0.780f, -1000,   -500,   -600,  2.53f,  0.88f,  0.68f,  -1100,  0.230f, 0.00f,0.00f,0.00f,      -600,   0.063f,         0.00f,0.00f,0.00f,      0.250f, 0.200f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f,  0.00f, 0x20 }
+
+
+// PREFAB PRESETS
+
+//      Env             Size    Diffus  Room    RoomHF  RoomLF  DecTm   DcHF    DcLF    Refl    RefDel  Ref Pan                         Revb    RevDel          Rev Pan                         EchTm   EchDp   ModTm   ModDp   AirAbs  HFRef           LFRef   RRlOff  FLAGS
+#define REVERB_PRESET_PREFAB_WORKSHOP \
+        { 26,   1.9f,   1.000f, -1000,  -1700,  -800,   0.76f,  1.00f,  1.00f,  0,              0.012f, 0.00f,0.00f,0.00f,      100,            0.012f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f,  0.00f, 0x0 }
+#define REVERB_PRESET_PREFAB_SCHOOLROOM \
+        { 26,   1.86f,  0.690f, -1000,  -400,   -600,   0.98f,  0.45f,  0.18f,  300,    0.017f, 0.00f,0.00f,0.00f,  300,        0.015f,         0.00f,0.00f,0.00f,      0.095f, 0.140f, 0.250f, 0.000f, -5.0f,  7176.9f,        211.2f,  0.00f, 0x20 }
+#define REVERB_PRESET_PREFAB_PRACTISEROOM \
+        { 26,   1.86f,  0.870f, -1000,  -800,   -600,   1.12f,  0.56f,  0.18f,  200,    0.010f, 0.00f,0.00f,0.00f,      300,    0.011f,         0.00f,0.00f,0.00f,      0.095f, 0.140f, 0.250f, 0.000f, -5.0f,  7176.9f,        211.2f,  0.00f, 0x20 }
+#define REVERB_PRESET_PREFAB_OUTHOUSE \
+        { 26,  80.3f,   0.820f, -1000,  -1900,  -1600,  1.38f,  0.38f,  0.35f,  -100,   0.024f, 0.00f,0.00f,-0.00f,     -400,   0.044f,         0.00f,0.00f,0.00f,      0.121f, 0.170f, 0.250f, 0.000f, -5.0f,  2854.4f,        107.5f,  0.00f, 0x0 }
+#define REVERB_PRESET_PREFAB_CARAVAN \
+        { 26,   8.3f,   1.000f, -1000,  -2100,  -1800,  0.43f,  1.50f,  1.00f,  0,              0.012f, 0.00f,0.00f,0.00f,      600,    0.012f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f,  0.00f, 0x1f }
+                        // for US developers, a caravan is the same as a trailer =o)
+
+
+// DOME AND PIPE PRESETS
+
+//      Env             Size    Diffus  Room    RoomHF  RoomLF  DecTm   DcHF    DcLF    Refl    RefDel  Ref Pan                         Revb    RevDel          Rev Pan                         EchTm   EchDp   ModTm   ModDp   AirAbs  HFRef           LFRef   RRlOff  FLAGS
+#define REVERB_PRESET_DOME_TOMB \
+        { 26,  51.8f,   0.790f, -1000,  -900,   -1300,  4.18f,  0.21f,  0.10f,  -825,   0.030f, 0.00f,0.00f,0.00f,      450,    0.022f,         0.00f,0.00f,0.00f,      0.177f, 0.190f, 0.250f, 0.000f, -5.0f,  2854.4f,        20.0f,  0.00f,  0x0 }
+#define REVERB_PRESET_PIPE_SMALL \
+        { 26,  50.3f,   1.000f, -1000,  -900,   -1300,  5.04f,  0.10f,  0.10f,  -600,   0.032f, 0.00f,0.00f,0.00f,      800,    0.015f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  2854.4f,        20.0f,  0.00f,  0x3f }
+#define REVERB_PRESET_DOME_SAINTPAULS \
+        { 26,  50.3f,   0.870f, -1000,  -900,   -1300,  10.48f, 0.19f,  0.10f,  -1500,  0.090f, 0.00f,0.00f,0.00f,      200,    0.042f,         0.00f,0.00f,0.00f,      0.250f, 0.120f, 0.250f, 0.000f, -5.0f,  2854.4f,        20.0f,  0.00f,  0x3f }
+#define REVERB_PRESET_PIPE_LONGTHIN \
+        { 26,   1.6f,   0.910f, -1000,  -700,   -1100,  9.21f,  0.18f,  0.10f,  -300,   0.010f, 0.00f,0.00f,0.00f,      -300,   0.022f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  2854.4f,        20.0f,  0.00f,  0x0 }
+#define REVERB_PRESET_PIPE_LARGE \
+        { 26,  50.3f,   1.000f, -1000,  -900,   -1300,  8.45f,  0.10f,  0.10f,  -800,   0.046f, 0.00f,0.00f,0.00f,  400,        0.032f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  2854.4f,        20.0f,  0.00f,  0x3f }
+#define REVERB_PRESET_PIPE_RESONANT \
+        { 26,   1.3f,   0.910f, -1000,  -700,   -1100,  6.81f,  0.18f,  0.10f,  -300,   0.010f, 0.00f,0.00f,0.00f,      00,             0.022f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  2854.4f,        20.0f,  0.00f,  0x0 }
+
+
+// OUTDOORS PRESETS
+
+//      Env             Size    Diffus  Room    RoomHF  RoomLF  DecTm   DcHF    DcLF    Refl    RefDel  Ref Pan                         Revb    RevDel          Rev Pan                         EchTm   EchDp   ModTm   ModDp   AirAbs  HFRef           LFRef   RRlOff  FLAGS
+#define REVERB_PRESET_OUTDOORS_BACKYARD \
+        { 26,  80.3f,   0.450f, -1000,  -1200,  -600,   1.12f,  0.34f,  0.46f,  -700,   0.069f, 0.00f,0.00f,-0.00f,     -300,   0.023f,         0.00f,0.00f,0.00f,      0.218f, 0.340f, 0.250f, 0.000f, -5.0f,  4399.1f,        242.9f,  0.00f, 0x0 }
+#define REVERB_PRESET_OUTDOORS_ROLLINGPLAINS \
+        { 26,  80.3f,   0.000f, -1000,  -3900,  -400,   2.13f,  0.21f,  0.46f,  -1500,  0.300f, 0.00f,0.00f,-0.00f,     -700,   0.019f,         0.00f,0.00f,0.00f,      0.250f, 1.000f, 0.250f, 0.000f, -5.0f,  4399.1f,        242.9f,  0.00f, 0x0 }
+#define REVERB_PRESET_OUTDOORS_DEEPCANYON \
+        { 26,  80.3f,   0.740f, -1000,  -1500,  -400,   3.89f,  0.21f,  0.46f,  -1000,  0.223f, 0.00f,0.00f,-0.00f,     -900,   0.019f,         0.00f,0.00f,0.00f,      0.250f, 1.000f, 0.250f, 0.000f, -5.0f,  4399.1f,        242.9f,  0.00f, 0x0 }
+#define REVERB_PRESET_OUTDOORS_CREEK \
+        { 26,  80.3f,   0.350f, -1000,  -1500,  -600,   2.13f,  0.21f,  0.46f,  -800,   0.115f, 0.00f,0.00f,-0.00f,     -1400,  0.031f,         0.00f,0.00f,0.00f,      0.218f, 0.340f, 0.250f, 0.000f, -5.0f,  4399.1f,        242.9f,  0.00f, 0x0 }
+#define REVERB_PRESET_OUTDOORS_VALLEY \
+        { 26,  80.3f,   0.280f, -1000,  -3100,  -1600,  2.88f,  0.26f,  0.35f,  -1700,  0.263f, 0.00f,0.00f,-0.00f,     -800,   0.100f,         0.00f,0.00f,0.00f,      0.250f, 0.340f, 0.250f, 0.000f, -5.0f,  2854.4f,        107.5f,  0.00f, 0x0 }
+
+
+// MOOD PRESETS
+
+//      Env             Size    Diffus  Room    RoomHF  RoomLF  DecTm   DcHF    DcLF    Refl    RefDel  Ref Pan                         Revb    RevDel          Rev Pan                         EchTm   EchDp   ModTm   ModDp   AirAbs  HFRef           LFRef   RRlOff  FLAGS
+#define REVERB_PRESET_MOOD_HEAVEN \
+        { 26,  19.6f,   0.940f,  -1000, -200,   -700,   5.04f,  1.12f,  0.56f,  -1230,  0.020f, 0.00f,0.00f,0.00f,      200,    0.029f,         0.00f,0.00f,0.00f,      0.250f, 0.080f, 2.742f, 0.050f, -2.0f,  5000.0f,        250.0f,  0.00f, 0x3f }
+#define REVERB_PRESET_MOOD_HELL \
+        { 26, 100.0f,   0.570f,  -1000, -900,   -700,   3.57f,  0.49f,  2.00f,  -10000, 0.020f, 0.00f,0.00f,0.00f,      300,    0.030f,         0.00f,0.00f,0.00f,      0.110f, 0.040f, 2.109f, 0.520f, -5.0f,  5000.0f,        139.5f,  0.00f, 0x40 }
+#define REVERB_PRESET_MOOD_MEMORY \
+        { 26,   8.0f,   0.850f,  -1000, -400,   -900,   4.06f,  0.82f,  0.56f,  -2800,  0.000f, 0.00f,0.00f,0.00f,      100,    0.000f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.474f, 0.450f, -10.0f,  5000.0f,       250.0f,  0.00f, 0x0 }
+
+
+// DRIVING SIMULATION PRESETS
+
+//      Env             Size    Diffus  Room    RoomHF  RoomLF  DecTm   DcHF    DcLF    Refl    RefDel  Ref Pan                         Revb    RevDel          Rev Pan                         EchTm   EchDp   ModTm   ModDp   AirAbs  HFRef           LFRef   RRlOff  FLAGS
+#define REVERB_PRESET_DRIVING_COMMENTATOR \
+        { 26,   3.0f,   0.000f, -1000,  -500,   -600,   2.42f,  0.88f,  0.68f,  -1400,  0.093f, 0.00f,0.00f,0.00f,      -1200,  0.017f,         0.00f,0.00f,0.00f,      0.250f, 1.000f, 0.250f, 0.000f, -10.0f,  5000.0f,       250.0f,  0.00f, 0x20 }
+#define REVERB_PRESET_DRIVING_PITGARAGE \
+        { 26,   1.9f,   0.590f, -1000,  -300,   -500,   1.72f,  0.93f,  0.87f,  -500,   0.000f, 0.00f,0.00f,0.00f,      200,            0.016f,         0.00f,0.00f,0.00f,      0.250f, 0.110f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f,  0.00f, 0x0 }
+#define REVERB_PRESET_DRIVING_INCAR_RACER \
+        { 26,   1.1f,   0.800f, -1000,   0,             -200,   0.17f,  2.00f,  0.41f,  500,    0.007f, 0.00f,0.00f,0.00f,      -300,   0.015f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  10268.2f,       251.0f,  0.00f, 0x20 }
+#define REVERB_PRESET_DRIVING_INCAR_SPORTS \
+        { 26,   1.1f,   0.800f, -1000,  -400,   0,              0.17f,  0.75f,  0.41f,  0,              0.010f, 0.00f,0.00f,0.00f,      -500,   0.000f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  10268.2f,       251.0f,  0.00f, 0x20 }
+#define REVERB_PRESET_DRIVING_INCAR_LUXURY \
+        { 26,   1.6f,   1.000f, -1000,  -2000,  -600,   0.13f,  0.41f,  0.46f,  -200,   0.010f, 0.00f,0.00f,0.00f,      400,    0.010f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  10268.2f,       251.0f,  0.00f, 0x20 }
+#define REVERB_PRESET_DRIVING_FULLGRANDSTAND \
+        { 26,   8.3f,   1.000f, -1000,  -1100,  -400,   3.01f,  1.37f,  1.28f,  -900,   0.090f, 0.00f,0.00f,0.00f,      -1500,  0.049f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  10420.2f,       250.0f,  0.00f, 0x1f }
+#define REVERB_PRESET_DRIVING_EMPTYGRANDSTAND \
+        { 26,   8.3f,   1.000f, -1000,   0,             -200,   4.62f,  1.75f,  1.40f,  -1363,  0.090f, 0.00f,0.00f,0.00f,      -1200,  0.049f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.000f, -5.0f,  10420.2f,       250.0f,  0.00f, 0x1f }
+#define REVERB_PRESET_DRIVING_TUNNEL \
+        { 26,   3.1f,   0.810f, -1000,   -800,  -100,   3.42f,  0.94f,  1.31f,  -300,   0.051f, 0.00f,0.00f,0.00f,  -300,       0.047f,         0.00f,0.00f,0.00f,      0.214f, 0.050f, 0.250f, 0.000f, -5.0f,  5000.0f,        155.3f,  0.00f, 0x20 }
+
+
+// CITY PRESETS
+
+//      Env             Size    Diffus  Room    RoomHF  RoomLF  DecTm   DcHF    DcLF    Refl    RefDel  Ref Pan                         Revb    RevDel          Rev Pan                         EchTm   EchDp   ModTm   ModDp   AirAbs  HFRef           LFRef   RRlOff  FLAGS
+#define REVERB_PRESET_CITY_STREETS \
+        { 26,   3.0f,   0.780f, -1000,  -300,   -100,   1.79f,  1.12f,  0.91f,  -1100,  0.046f, 0.00f,0.00f,0.00f,      -1400,  0.028f,         0.00f,0.00f,0.00f,      0.250f, 0.200f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f,  0.00f, 0x20 }
+#define REVERB_PRESET_CITY_SUBWAY \
+        { 26,   3.0f,   0.740f, -1000,  -300,   -100,   3.01f,  1.23f,  0.91f,   -300,  0.046f, 0.00f,0.00f,0.00f,      200,    0.028f,         0.00f,0.00f,0.00f,      0.125f, 0.210f, 0.250f, 0.000f, -5.0f,  5000.0f,        250.0f,  0.00f, 0x20 }
+#define REVERB_PRESET_CITY_MUSEUM \
+        { 26,  80.3f,   0.820f, -1000,  -1500,  -1500,  3.28f,  1.40f,  0.57f,  -1200,  0.039f, 0.00f,0.00f,-0.00f, -100,       0.034f,         0.00f,0.00f,0.00f,      0.130f, 0.170f, 0.250f, 0.000f, -5.0f,  2854.4f,        107.5f,  0.00f, 0x0 }
+#define REVERB_PRESET_CITY_LIBRARY \
+        { 26,  80.3f,   0.820f, -1000,  -1100,  -2100,  2.76f,  0.89f,  0.41f,  -900,   0.029f, 0.00f,0.00f,-0.00f, -100,       0.020f,         0.00f,0.00f,0.00f,      0.130f, 0.170f, 0.250f, 0.000f, -5.0f,  2854.4f,        107.5f,  0.00f, 0x0 }
+#define REVERB_PRESET_CITY_UNDERPASS \
+        { 26,   3.0f,   0.820f, -1000,  -700,   -100,   3.57f,  1.12f,  0.91f,  -800,   0.059f, 0.00f,0.00f,0.00f,      -100,   0.037f,         0.00f,0.00f,0.00f,      0.250f, 0.140f, 0.250f, 0.000f, -7.0f,  5000.0f,        250.0f,  0.00f, 0x20 }
+#define REVERB_PRESET_CITY_ABANDONED \
+        { 26,   3.0f,   0.690f, -1000,  -200,   -100,   3.28f,  1.17f,  0.91f,  -700,   0.044f, 0.00f,0.00f,0.00f,      -1100,  0.024f,         0.00f,0.00f,0.00f,      0.250f, 0.200f, 0.250f, 0.000f, -3.0f,  5000.0f,        250.0f,  0.00f, 0x20 }
+
+
+// MISC ROOMS
+
+//      Env             Size    Diffus  Room    RoomHF  RoomLF  DecTm   DcHF    DcLF    Refl    RefDel  Ref Pan                         Revb    RevDel          Rev Pan                         EchTm   EchDp   ModTm   ModDp   AirAbs  HFRef           LFRef   RRlOff  FLAGS
+#define REVERB_PRESET_DUSTYROOM  \
+        { 26,   1.8f,   0.560f, -1000,  -200,   -300,   1.79f,  0.38f,  0.21f,  -600,   0.002f, 0.00f,0.00f,0.00f,      200,    0.006f,         0.00f,0.00f,0.00f,      0.202f, 0.050f, 0.250f, 0.000f, -10.0f,  13046.0f,      163.3f, 0.00f,  0x20 }
+#define REVERB_PRESET_CHAPEL \
+        { 26,  19.6f,   0.840f, -1000,  -500,   0,              4.62f,  0.64f,  1.23f,  -700,   0.032f, 0.00f,0.00f,0.00f,      -200,   0.049f,         0.00f,0.00f,0.00f,      0.250f, 0.000f, 0.250f, 0.110f, -5.0f,  5000.0f,        250.0f, 0.00f,  0x3f }
+#define REVERB_PRESET_SMALLWATERROOM \
+        { 26,  36.2f,   0.700f, -1000,  -698,   0,              1.51f,  1.25f,  1.14f,  -100,   0.020f, 0.00f,0.00f,0.00f,      300,    0.030f,         0.00f,0.00f,0.00f,      0.179f, 0.150f, 0.895f, 0.190f, -7.0f,  5000.0f,        250.0f, 0.00f, 0x0 }
+
+
+#pragma pack(pop)
+
+#ifdef __cplusplus
+}
+#endif // __cplusplus
+
+#endif // EFX-UTIL_H_INCLUDED
diff --git a/src/util/nEfxHelper.cpp b/src/util/nEfxHelper.cpp
new file mode 100644 (file)
index 0000000..b4b27e2
--- /dev/null
@@ -0,0 +1,109 @@
+#include "nEfxHelper.h"
+#include <QString>
+
+bool nEfxHelper::sm_initialized = false;
+
+LPALGENAUXILIARYEFFECTSLOTS nEfxHelper::alGenAuxiliaryEffectSlots = 0;
+LPALISAUXILIARYEFFECTSLOT nEfxHelper::alIsAuxiliaryEffectSlot = 0;
+LPALDELETEAUXILIARYEFFECTSLOTS nEfxHelper::alDeleteAuxiliaryEffectSlots = 0;
+LPALAUXILIARYEFFECTSLOTI nEfxHelper::alAuxiliaryEffectSloti = 0;
+LPALAUXILIARYEFFECTSLOTIV nEfxHelper::alAuxiliaryEffectSlotiv = 0;
+LPALAUXILIARYEFFECTSLOTF nEfxHelper::alAuxiliaryEffectSlotf = 0;
+LPALAUXILIARYEFFECTSLOTFV nEfxHelper::alAuxiliaryEffectSlotfv = 0;
+LPALGETAUXILIARYEFFECTSLOTI nEfxHelper::alGetAuxiliaryEffectSloti = 0;
+LPALGETAUXILIARYEFFECTSLOTIV nEfxHelper::alGetAuxiliaryEffectSlotiv = 0;
+LPALGETAUXILIARYEFFECTSLOTF nEfxHelper::alGetAuxiliaryEffectSlotf = 0;
+LPALGETAUXILIARYEFFECTSLOTFV nEfxHelper::alGetAuxiliaryEffectSlotfv = 0;
+
+LPALGENEFFECTS nEfxHelper::alGenEffects = 0;
+LPALISEFFECT nEfxHelper::alIsEffect = 0;
+LPALDELETEEFFECTS nEfxHelper::alDeleteEffects = 0;
+LPALEFFECTI nEfxHelper::alEffecti = 0;
+LPALEFFECTIV nEfxHelper::alEffectiv = 0;
+LPALEFFECTF nEfxHelper::alEffectf = 0;
+LPALEFFECTFV nEfxHelper::alEffectfv = 0;
+LPALGETEFFECTI nEfxHelper::alGetEffecti = 0;
+LPALGETEFFECTIV nEfxHelper::alGetEffectiv = 0;
+LPALGETEFFECTF nEfxHelper::alGetEffectf = 0;
+LPALGETEFFECTFV nEfxHelper::alGetEffectfv = 0;
+
+LPALGENFILTERS nEfxHelper::alGenFilters = 0;
+LPALISFILTER nEfxHelper::alIsFilter = 0;
+LPALDELETEFILTERS nEfxHelper::alDeleteFilters = 0;
+LPALFILTERI nEfxHelper::alFilteri = 0;
+LPALFILTERIV nEfxHelper::alFilteriv = 0;
+LPALFILTERF nEfxHelper::alFilterf = 0;
+LPALFILTERFV nEfxHelper::alFilterfv = 0;
+LPALGETFILTERI nEfxHelper::alGetFilteri = 0;
+LPALGETFILTERIV nEfxHelper::alGetFilteriv = 0;
+LPALGETFILTERF nEfxHelper::alGetFilterf = 0;
+LPALGETFILTERFV nEfxHelper::alGetFilterfv = 0;
+
+nEfxHelper::nEfxHelper()
+{
+}
+
+bool nEfxHelper::initialize(ALCdevice * device)
+{
+    if(sm_initialized) return true;
+
+    if(alcIsExtensionPresent(device, "ALC_EXT_EFX")==AL_FALSE)
+        return false;
+
+
+    alGenAuxiliaryEffectSlots = (LPALGENAUXILIARYEFFECTSLOTS) alGetProcAddress("alGenAuxiliaryEffectSlots");
+    alIsAuxiliaryEffectSlot = (LPALISAUXILIARYEFFECTSLOT) alGetProcAddress("alIsAuxiliaryEffectSlot");
+    alDeleteAuxiliaryEffectSlots = (LPALDELETEAUXILIARYEFFECTSLOTS) alGetProcAddress("alDeleteAuxiliaryEffectSlots");
+    alAuxiliaryEffectSloti = (LPALAUXILIARYEFFECTSLOTI) alGetProcAddress("alAuxiliaryEffectSloti");
+    alAuxiliaryEffectSlotiv = (LPALAUXILIARYEFFECTSLOTIV) alGetProcAddress("alAuxiliaryEffectSlotiv");
+    alAuxiliaryEffectSlotf = (LPALAUXILIARYEFFECTSLOTF) alGetProcAddress("alAuxiliaryEffectSlotf");
+    alAuxiliaryEffectSlotfv = (LPALAUXILIARYEFFECTSLOTFV) alGetProcAddress("alAuxiliaryEffectSlotfv");
+    alGetAuxiliaryEffectSloti = (LPALGETAUXILIARYEFFECTSLOTI) alGetProcAddress("alGetAuxiliaryEffectSloti");
+    alGetAuxiliaryEffectSlotiv = (LPALGETAUXILIARYEFFECTSLOTIV) alGetProcAddress("alGetAuxiliaryEffectSlotiv");
+    alGetAuxiliaryEffectSlotf = (LPALGETAUXILIARYEFFECTSLOTF) alGetProcAddress("alGetAuxiliaryEffectSlotf");
+    alGetAuxiliaryEffectSlotfv = (LPALGETAUXILIARYEFFECTSLOTFV) alGetProcAddress("alGetAuxiliaryEffectSlotfv");
+
+    bool alAuxiliaryEffectSlotCheck = (alGenAuxiliaryEffectSlots && alIsAuxiliaryEffectSlot && alDeleteAuxiliaryEffectSlots && alAuxiliaryEffectSloti &&
+                          alAuxiliaryEffectSlotiv && alAuxiliaryEffectSlotf && alAuxiliaryEffectSlotfv && alGetAuxiliaryEffectSloti &&
+                          alGetAuxiliaryEffectSlotiv && alGetAuxiliaryEffectSlotf && alGetAuxiliaryEffectSlotfv);
+
+
+
+    alGenEffects = (LPALGENEFFECTS) alGetProcAddress("alGenEffects");
+    alIsEffect = (LPALISEFFECT) alGetProcAddress("alIsEffect");
+    alDeleteEffects = (LPALDELETEEFFECTS) alGetProcAddress("alDeleteEffects");
+    alEffecti = (LPALEFFECTI) alGetProcAddress("alEffecti");
+    alEffectiv = (LPALEFFECTIV) alGetProcAddress("alEffectiv");
+    alEffectf = (LPALEFFECTF) alGetProcAddress("alEffectf");
+    alEffectfv = (LPALEFFECTFV) alGetProcAddress("alEffectfv");
+    alGetEffecti = (LPALGETEFFECTI) alGetProcAddress("alGetEffecti");
+    alGetEffectiv = (LPALGETEFFECTIV) alGetProcAddress("alGetEffectiv");
+    alGetEffectf = (LPALGETEFFECTF) alGetProcAddress("alGetEffectf");
+    alGetEffectfv = (LPALGETEFFECTFV) alGetProcAddress("alGetEffectfv");
+
+    bool alEffectCheck = (alGenEffects && alIsEffect && alDeleteEffects && alEffecti &&
+                          alEffectiv && alEffectf && alEffectfv && alGetEffecti &&
+                          alGetEffectiv && alGetEffectf && alGetEffectfv);
+
+    alGenFilters = (LPALGENFILTERS) alGetProcAddress("alGenFilters");
+    alIsFilter = (LPALISFILTER) alGetProcAddress("alIsFilter");
+    alDeleteFilters = (LPALDELETEFILTERS) alGetProcAddress("alDeleteFilters");
+    alFilteri = (LPALFILTERI) alGetProcAddress("alFilteri");
+    alFilteriv = (LPALFILTERIV) alGetProcAddress("alFilteriv");
+    alFilterf = (LPALFILTERF) alGetProcAddress("alFilterf");
+    alFilterfv = (LPALFILTERFV) alGetProcAddress("alFilterfv");
+    alGetFilteri = (LPALGETFILTERI) alGetProcAddress("alGetFilteri");
+    alGetFilteriv = (LPALGETFILTERIV) alGetProcAddress("alGetFilteriv");
+    alGetFilterf = (LPALGETFILTERF) alGetProcAddress("alGetFilterf");
+    alGetFilterfv = (LPALGETFILTERFV) alGetProcAddress("alGetFilterfv");
+
+    bool alFilterCheck = (alGenFilters && alIsFilter && alDeleteFilters && alFilteri &&
+                          alFilteriv && alFilterf && alFilterfv && alGetFilteri &&
+                          alGetFilteriv && alGetFilterf && alGetFilterfv);
+
+
+    if(!(alAuxiliaryEffectSlotCheck && alEffectCheck && alFilterCheck)) return false;
+
+    sm_initialized = true;
+    return true;
+}
diff --git a/src/util/nEfxHelper.h b/src/util/nEfxHelper.h
new file mode 100644 (file)
index 0000000..e14ea8a
--- /dev/null
@@ -0,0 +1,57 @@
+#ifndef NEFXHELPER_H
+#define NEFXHELPER_H
+
+#include "AL/al.h"
+#include "AL/alc.h"
+#include "AL/alext.h"
+
+class nEfxHelper
+{
+
+public:
+
+    static bool initialize(ALCdevice*);
+    static bool isInitialized(){return sm_initialized;}
+
+    static LPALGENAUXILIARYEFFECTSLOTS alGenAuxiliaryEffectSlots;
+    static LPALISAUXILIARYEFFECTSLOT alIsAuxiliaryEffectSlot;
+    static LPALDELETEAUXILIARYEFFECTSLOTS alDeleteAuxiliaryEffectSlots;
+    static LPALAUXILIARYEFFECTSLOTI alAuxiliaryEffectSloti;
+    static LPALAUXILIARYEFFECTSLOTIV alAuxiliaryEffectSlotiv;
+    static LPALAUXILIARYEFFECTSLOTF alAuxiliaryEffectSlotf;
+    static LPALAUXILIARYEFFECTSLOTFV alAuxiliaryEffectSlotfv;
+    static LPALGETAUXILIARYEFFECTSLOTI alGetAuxiliaryEffectSloti;
+    static LPALGETAUXILIARYEFFECTSLOTIV alGetAuxiliaryEffectSlotiv;
+    static LPALGETAUXILIARYEFFECTSLOTF alGetAuxiliaryEffectSlotf;
+    static LPALGETAUXILIARYEFFECTSLOTFV alGetAuxiliaryEffectSlotfv;
+
+    static LPALGENEFFECTS alGenEffects;
+    static LPALISEFFECT alIsEffect;
+    static LPALDELETEEFFECTS alDeleteEffects;
+    static LPALEFFECTI alEffecti;
+    static LPALEFFECTIV alEffectiv;
+    static LPALEFFECTF alEffectf;
+    static LPALEFFECTFV alEffectfv;
+    static LPALGETEFFECTI alGetEffecti;
+    static LPALGETEFFECTIV alGetEffectiv;
+    static LPALGETEFFECTF alGetEffectf;
+    static LPALGETEFFECTFV alGetEffectfv;
+
+    static LPALGENFILTERS alGenFilters;
+    static LPALISFILTER alIsFilter;
+    static LPALDELETEFILTERS alDeleteFilters;
+    static LPALFILTERI alFilteri;
+    static LPALFILTERIV alFilteriv;
+    static LPALFILTERF alFilterf;
+    static LPALFILTERFV alFilterfv;
+    static LPALGETFILTERI alGetFilteri;
+    static LPALGETFILTERIV alGetFilteriv;
+    static LPALGETFILTERF alGetFilterf;
+    static LPALGETFILTERFV alGetFilterfv;
+
+private:
+    nEfxHelper();
+    static bool sm_initialized;
+};
+
+#endif // NEFXHELPER_H
diff --git a/src/wav/nwavestream.cpp b/src/wav/nwavestream.cpp
new file mode 100644 (file)
index 0000000..7c11d37
--- /dev/null
@@ -0,0 +1,51 @@
+#include "nwavestream.h"
+#include "../nSoundBag.h"
+#include <QIODevice>
+
+
+nWaveStream::nWaveStream(QIODevice *device, nSoundFormat format, int frequency, int channels, QObject *parent)
+    : nSoundStream(parent),
+      _device(device),
+      _format(format),
+      _frequency(frequency),
+      _channels(channels)
+{
+
+    if(format == SF_WAVE_HEADER)
+    {
+
+        unsigned char header[44];
+
+        device->read(reinterpret_cast<char*>(header), 44);
+        _channels = header[22];
+        _frequency = header[24] + (((int)header[25])<<8) + (((int)header[26])<<16) + (((int)header[27])<<24);
+        _format = (_channels == 1?
+                       (header[34]==16? SF_16BIT_MONO : SF_8BIT_MONO):
+                       (header[34]==16? SF_16BIT_STEREO : SF_8BIT_STEREO)
+                       );
+        int chunkSize = header[40] + (((int)header[41])<<8) + (((int)header[42])<<16) + (((int)header[43])<<24);
+        _totalFrames = chunkSize / nSoundFormat_getFramesize(_format);
+    }
+    else
+    {
+        if(channels < 0) channels = (format == SF_8BIT_STEREO || format  == SF_16BIT_STEREO)? 2 : 1;
+    }
+}
+
+nSoundBag *nWaveStream::createSoundBag(QObject *parent)
+{
+    nSoundBag * bag = new nSoundBag( _format, _totalFrames, _frequency );
+    read(bag->m_data, _totalFrames);
+    return bag;
+}
+
+
+void nWaveStream::rewind()
+{
+    _device->reset();
+}
+
+quint64 nWaveStream::read(void *data, unsigned long frames)
+{
+    return _device->read( (char *) data, nSoundFormat_getFramesize(_format) * frames ) / nSoundFormat_getFramesize(_format);
+}
diff --git a/src/wav/nwavestream.h b/src/wav/nwavestream.h
new file mode 100644 (file)
index 0000000..ef3c5d3
--- /dev/null
@@ -0,0 +1,41 @@
+#ifndef DWSOUNDRAWSTREAM_H
+#define DWSOUNDRAWSTREAM_H
+
+#include "../nSoundStream.h"
+
+class QIODevice;
+
+class nWaveStream : public nSoundStream
+{
+    Q_OBJECT
+public:
+    explicit nWaveStream(QIODevice * device, nSoundFormat format, int frequency, int channels = -1, QObject *parent = 0);
+
+signals:
+
+public slots:
+    virtual quint64 frames() { return _totalFrames; }
+    virtual int channels() { return _channels; }
+    virtual int frequency() { return _frequency; }
+
+    virtual nSoundBag * createSoundBag(QObject * parent = 0);
+
+    virtual nSoundFormat format() { return _format; }
+    virtual bool suggestStreaming() { return false; }
+
+    virtual quint64 read(void* data, unsigned long frames);
+
+    virtual void rewind();
+
+private:
+
+    QIODevice * _device;
+    quint64 _totalFrames;
+    int _channels;
+    int _frequency;
+    int _deviceOffset;
+    nSoundFormat _format;
+
+};
+
+#endif // DWSOUNDRAWSTREAM_H