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Another attempt to fix #1041. This time I'm sending real data from decoder

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once after playback started.
This commit is contained in:
Nikolay Kasyanov 2014-02-17 02:35:13 +04:00
parent 4e28fd85a3
commit 5e8cb2e466
1 changed files with 23 additions and 10 deletions
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33
apps/openmw/mwsound/openal_output.cpp
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@ -172,6 +172,7 @@ class OpenAL_SoundStream : public Sound
DecoderPtr mDecoder;
volatile bool mIsFinished;
volatile bool mIsInitialBatchEnqueued;
void updateAll(bool local);
@ -264,7 +265,7 @@ private:
OpenAL_SoundStream::OpenAL_SoundStream(OpenAL_Output &output, ALuint src, DecoderPtr decoder, float basevol, float pitch, int flags)
: Sound(Ogre::Vector3(0.0f), 1.0f, basevol, pitch, 1.0f, 1000.0f, flags)
, mOutput(output), mSource(src), mSamplesQueued(0), mDecoder(decoder), mIsFinished(true)
, mOutput(output), mSource(src), mSamplesQueued(0), mDecoder(decoder), mIsFinished(true), mIsInitialBatchEnqueued(false)
{
throwALerror();
@ -315,16 +316,8 @@ void OpenAL_SoundStream::play()
alSourcei(mSource, AL_BUFFER, 0);
throwALerror();
mSamplesQueued = 0;
for(ALuint i = 0;i < sNumBuffers;i++)
alBufferData(mBuffers[i], mFormat, this, 0, mSampleRate);
throwALerror();
alSourceQueueBuffers(mSource, sNumBuffers, mBuffers);
alSourcePlay(mSource);
throwALerror();
mIsFinished = false;
mIsInitialBatchEnqueued = false;
mOutput.mStreamThread->add(this);
}
@ -332,6 +325,7 @@ void OpenAL_SoundStream::stop()
{
mOutput.mStreamThread->remove(this);
mIsFinished = true;
mIsInitialBatchEnqueued = false;
alSourceStop(mSource);
alSourcei(mSource, AL_BUFFER, 0);
@ -444,6 +438,24 @@ bool OpenAL_SoundStream::process()
} while(processed > 0);
throwALerror();
}
else if (!mIsInitialBatchEnqueued) { // nothing enqueued yet
std::vector<char> data(mBufferSize);
for(ALuint i = 0;i < sNumBuffers && !finished;i++)
{
size_t got = mDecoder->read(&data[0], data.size());
finished = (got < data.size());
if(got > 0)
{
ALuint bufid = mBuffers[i];
alBufferData(bufid, mFormat, &data[0], got, mSampleRate);
alSourceQueueBuffers(mSource, 1, &bufid);
throwALerror();
mSamplesQueued += getBufferSampleCount(bufid);
}
}
mIsInitialBatchEnqueued = true;
}
if(state != AL_PLAYING && state != AL_PAUSED)
{
@ -461,6 +473,7 @@ bool OpenAL_SoundStream::process()
std::cout<< "Error updating stream \""<<mDecoder->getName()<<"\"" <<std::endl;
mSamplesQueued = 0;
mIsFinished = true;
mIsInitialBatchEnqueued = false;
}
return !mIsFinished;
}