//-----------------------------------------------------------------------------
void MusicOggStream::update()
{
if (m_pausedMusic || m_soundSource == ALuint(-1))
{
// nothing todo
return;
}
int processed= 0;
bool active= true;
alGetSourcei(m_soundSource, AL_BUFFERS_PROCESSED, &processed);
while(processed--)
{
ALuint buffer;
alSourceUnqueueBuffers(m_soundSource, 1, &buffer);
if(!check("alSourceUnqueueBuffers")) return;
active = streamIntoBuffer(buffer);
if(!active)
{
// no more data. Seek to beginning (causes the sound to loop)
ov_time_seek(&m_oggStream, 0);
active = streamIntoBuffer(buffer);//now there really should be data
}
alSourceQueueBuffers(m_soundSource, 1, &buffer);
if (!check("alSourceQueueBuffers")) return;
}
if (active)
{
// For debugging
SFXManager::checkError("before source state");
// we have data, so we should be playing...
ALenum state;
alGetSourcei(m_soundSource, AL_SOURCE_STATE, &state);
if (state != AL_PLAYING)
{
// Prevent flooding
static int count = 0;
count++;
if (count<10)
Log::warn("MusicOgg", "Music not playing when it should be. "
"Source state: %d", state);
alGetSourcei(m_soundSource, AL_BUFFERS_PROCESSED, &processed);
alSourcePlay(m_soundSource);
}
}
else
{
Log::warn("MusicOgg", "Attempt to stream music into buffer failed "
"twice in a row.");
}
} // update
ALuint CreateSource() {
auto source = ALuint(0);
alGenSources(1, &source);
alSourcef(source, AL_PITCH, 1.f);
alSourcef(source, AL_GAIN, 1.f);
alSource3f(source, AL_POSITION, 0, 0, 0);
alSource3f(source, AL_VELOCITY, 0, 0, 0);
alSourcei(source, AL_LOOPING, 0);
return source;
}
bool SoundBuffer::play(ALint source) const
{
ALint buffer;
alGetSourcei(source, AL_BUFFER, &buffer);
if (ALuint(buffer) != mBuffers[0])
alSourcei(source, AL_BUFFER, mBuffers[0]);
alSourcePlay(source);
SoundSystem::checkError(__FUNCTION__);
return true;
}
//-----------------------------------------------------------------------------
void MusicOggStream::update()
{
if (m_pausedMusic || m_soundSource == ALuint(-1))
{
// nothing todo
return;
}
int processed= 0;
bool active= true;
alGetSourcei(m_soundSource, AL_BUFFERS_PROCESSED, &processed);
while(processed--)
{
ALuint buffer;
alSourceUnqueueBuffers(m_soundSource, 1, &buffer);
if(!check("alSourceUnqueueBuffers")) return;
active = streamIntoBuffer(buffer);
if(!active)
{
// no more data. Seek to beginning (causes the sound to loop)
ov_time_seek(&m_oggStream, 0);
active = streamIntoBuffer(buffer);//now there really should be data
//fprintf(stdout,"Music buffer under-run.\n");
}
alSourceQueueBuffers(m_soundSource, 1, &buffer);
if (!check("alSourceQueueBuffers")) return;
}
if (active)
{
// we have data, so we should be playing...
ALenum state;
alGetSourcei(m_soundSource, AL_SOURCE_STATE, &state);
if (state != AL_PLAYING)
{
fprintf(stderr,"WARNING: Music not playing when it should be. Source state: %d\n", state);
alGetSourcei(m_soundSource, AL_BUFFERS_PROCESSED, &processed);
alSourcePlay(m_soundSource);
}
}
else
{
fprintf(stderr,"WARNING: Attempt to stream music into buffer failed twice in a row.\n");
}
} // update
/**
* @alsymbols
* @alfunref{BufferData}
*/
void Data(
DataFormat format,
const ALvoid* data,
ALsizei size,
ALsizei frequency
)
{
OALPLUS_ALFUNC(BufferData)(
ALuint(this->_name),
ALenum(format),
data,
size,
frequency
);
OALPLUS_CHECK(
BufferData,
ObjectError,
Object(*this)
);
}
ALuint CreateBuffer() {
auto buffer = ALuint(0);
alGenBuffers(1, &buffer);
return buffer;
}