SoundSourcePtr SoundManager::createSoundSource(const std::string& filename)
{
SoundSourcePtr source;
try {
auto it = m_buffers.find(filename);
if(it != m_buffers.end()) {
source = SoundSourcePtr(new SoundSource);
source->setBuffer(it->second);
} else {
SoundFilePtr soundFile = SoundFile::loadSoundFile(filename);
if(!soundFile)
return nullptr;
if(soundFile->getSize() <= MAX_CACHE_SIZE) {
source = SoundSourcePtr(new SoundSource);
SoundBufferPtr buffer = SoundBufferPtr(new SoundBuffer);
buffer->fillBuffer(soundFile);
source->setBuffer(buffer);
m_buffers[filename] = buffer;
g_logger.warning(stdext::format("uncached sound '%s' requested to be played", filename));
} else {
StreamSoundSourcePtr streamSource(new StreamSoundSource);
streamSource->setSoundFile(soundFile);
source = streamSource;
#if defined __linux && !defined OPENGL_ES
// due to OpenAL implementation bug, stereo buffers are always downmixed to mono on linux systems
// this is hack to work around the issue
// solution taken from http://opensource.creative.com/pipermail/openal/2007-April/010355.html
if(soundFile->getSampleFormat() == AL_FORMAT_STEREO16) {
CombinedSoundSourcePtr combinedSource(new CombinedSoundSource);
streamSource->downMix(StreamSoundSource::DownMixLeft);
streamSource->setRelative(true);
streamSource->setPosition(Point(-128, 0));
combinedSource->addSource(streamSource);
streamSource = StreamSoundSourcePtr(new StreamSoundSource);
streamSource->setSoundFile(SoundFile::loadSoundFile(filename));
streamSource->downMix(StreamSoundSource::DownMixRight);
streamSource->setRelative(true);
streamSource->setPosition(Point(128,0));
combinedSource->addSource(streamSource);
source = combinedSource;
}
#endif
}
}
} catch(std::exception& e) {
g_logger.error(stdext::format("failed to load sound source: '%s'", e.what()));
return nullptr;
}
return source;
}
void SoundManager::preload(const std::string& filename)
{
auto it = m_buffers.find(filename);
if(it != m_buffers.end())
return;
SoundFilePtr soundFile = SoundFile::loadSoundFile(filename);
// only keep small files
if(soundFile->getSize() > MAX_CACHE_SIZE)
return;
SoundBufferPtr buffer = SoundBufferPtr(new SoundBuffer);
if(buffer->fillBuffer(soundFile))
m_buffers[filename] = buffer;
}
void SoundManager::preload(std::string filename)
{
filename = resolveSoundFile(filename);
auto it = m_buffers.find(filename);
if(it != m_buffers.end())
return;
ensureContext();
SoundFilePtr soundFile = SoundFile::loadSoundFile(filename);
// only keep small files
if(!soundFile || soundFile->getSize() > MAX_CACHE_SIZE)
return;
SoundBufferPtr buffer = SoundBufferPtr(new SoundBuffer);
if(buffer->fillBuffer(soundFile))
m_buffers[filename] = buffer;
}
