//-----------------------------------------------------------------------------
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
//-----------------------------------------------------------------------------
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
//-----------------------------------------------------------------------------
bool MusicOggStream::playMusic()
{
if(isPlaying())
return true;
if(!streamIntoBuffer(m_soundBuffers[0]))
return false;
if(!streamIntoBuffer(m_soundBuffers[1]))
return false;
alSourceQueueBuffers(m_soundSource, 2, m_soundBuffers);
alSourcePlay(m_soundSource);
m_pausedMusic = false;
m_playing = true;
check("playMusic");
return true;
} // playMusic
