diff --git a/apps/openmw/mwsound/openal_output.cpp b/apps/openmw/mwsound/openal_output.cpp index 9dc0b8c5d..7563ad015 100644 --- a/apps/openmw/mwsound/openal_output.cpp +++ b/apps/openmw/mwsound/openal_output.cpp @@ -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 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 \""<getName()<<"\"" <