1 // Copyright (C) 2015 Lucas Pires Camargo
3 // This file is part of neiasound - Qt-style OpenAL wrapper for games.
5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions are
9 // 1. Redistributions of source code must retain the above copyright notice,
10 // this list of conditions and the following disclaimer.
12 // 2. Redistributions in binary form must reproduce the above copyright notice,
13 // this list of conditions and the following disclaimer in the documentation
14 // and/or other materials provided with the distribution.
16 // THIS SOFTWARE IS PROVIDED BY THE FREEBSD PROJECT ``AS IS'' AND ANY EXPRESS
17 // OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
19 // NO EVENT SHALL THE FREEBSD PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
20 // INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 // ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 // THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 #include "nvorbisstream.h"
30 #include "../nSoundBag.h"
33 #define STB_VORBIS_MAX_CHANNELS 2
34 #pragma GCC diagnostic push
35 #pragma GCC diagnostic ignored "-Wsign-compare"
36 #pragma GCC diagnostic ignored "-Wtype-limits"
37 #pragma GCC diagnostic ignored "-Wparentheses"
38 #pragma GCC diagnostic ignored "-Wunused-parameter"
39 #pragma GCC diagnostic ignored "-Wunused-value"
40 #pragma GCC diagnostic ignored "-Wunused-variable"
41 #pragma GCC diagnostic ignored "-Wunused-function"
42 #pragma GCC diagnostic ignored "-Wunused-but-set-variable"
43 #include "stb_vorbis.c"
44 #pragma GCC diagnostic pop
47 nVorbisStream::nVorbisStream(QIODevice * dev, QObject *parent) : nSoundStream(parent),
52 _format(SF_16BIT_STEREO),
58 dev->open(QIODevice::ReadOnly);
60 _qtBuf = dev->readAll();
66 _bufSize = _qtBuf.size();
70 int err = VORBIS__no_error;
71 _vorbis = stb_vorbis_open_memory((unsigned char*)_buf, _bufSize, &err, 0 );
72 if(!_vorbis || err != VORBIS__no_error)
74 qDebug("[nVorbisStream] Error initializing vorbis stream");
77 //stb_vorbis_info info = stb_vorbis_get_info(_vorbis);
79 _totalFrames = stb_vorbis_stream_length_in_samples(_vorbis);
80 _channels = _vorbis->channels;
81 _frequency = _vorbis->sample_rate;
85 _format = SF_16BIT_MONO;
88 _format = SF_16BIT_STEREO;
91 _format = SF_UNDEFINED;
97 qDebug("[nVorbisStream] Error reading QIODevice");
102 nVorbisStream::~nVorbisStream()
104 stb_vorbis_close(_vorbis);
108 void nVorbisStream::rewind()
110 if(_vorbis) stb_vorbis_seek_start(_vorbis);
113 quint64 nVorbisStream::read(void *data, unsigned long frames)
115 if(!frames) return 0;
116 return stb_vorbis_get_samples_short_interleaved(_vorbis, _channels, (short*) data, frames * _channels );