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Import some changes from internal

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This commit is contained in:
Drake Arconis
2013-03-12 06:03:06 -04:00
parent 9bce5d479a
commit 20cdb35172
5 changed files with 84 additions and 93 deletions
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104
indra/llaudio/llaudioengine_openal.cpp
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@@ -38,6 +38,8 @@
#include "lllistener_openal.h"
const float LLAudioEngine_OpenAL::WIND_BUFFER_SIZE_SEC = 0.05f;
LLAudioEngine_OpenAL::LLAudioEngine_OpenAL()
:
mWindGen(NULL),
@@ -185,6 +187,8 @@ LLAudioChannelOpenAL::~LLAudioChannelOpenAL()
void LLAudioChannelOpenAL::cleanup()
{
alSourceStop(mALSource);
alSourcei(mALSource, AL_BUFFER, AL_NONE);
mCurrentBufferp = NULL;
}
@@ -324,7 +328,14 @@ void LLAudioBufferOpenAL::cleanup()
{
if(mALBuffer != AL_NONE)
{
alGetError(); // clear error
alDeleteBuffers(1, &mALBuffer);
ALenum error = alutGetError();
if(ALC_NO_ERROR != error)
{
LL_WARNS("OpenAL") << "Error: " << alutGetErrorString( error ) << " when cleaning up a buffer" << LL_ENDL;
}
mALBuffer = AL_NONE;
}
}
@@ -441,6 +452,7 @@ void LLAudioEngine_OpenAL::updateWind(LLVector3 wind_vec, F32 camera_altitude)
F64 pitch;
F64 center_freq;
ALenum error;
ALuint *buffers = NULL;
if (!mEnableWind)
return;
@@ -484,58 +496,68 @@ void LLAudioEngine_OpenAL::updateWind(LLVector3 wind_vec, F32 camera_altitude)
mNumEmptyWindALBuffers = llmax(mNumEmptyWindALBuffers, 0);
//llinfos << "mNumEmptyWindALBuffers: " << mNumEmptyWindALBuffers <<" (" << unprocessed << ":" << processed << ")" << llendl;
while(processed--) // unqueue old buffers
//delete the old wind buffers
buffers = new ALuint[processed];
alGetError(); /* clear error */
alSourceUnqueueBuffers(mWindSource, processed, &buffers[0]);
error = alGetError();
if(error != AL_NO_ERROR)
{
ALuint buffer;
ALenum error;
alGetError(); /* clear error */
alSourceUnqueueBuffers(mWindSource, 1, &buffer);
error = alGetError();
if(error != AL_NO_ERROR)
{
llwarns << "LLAudioEngine_OpenAL::updateWind() error swapping (unqueuing) buffers" << llendl;
}
else
{
alDeleteBuffers(1, &buffer);
}
llwarns << "LLAudioEngine_OpenAL::updateWind() error swapping (unqueuing) buffers" << llendl;
}
else
{
alDeleteBuffers(processed, &buffers[0]);
}
// We dont need to keep track of the buffers' id now.
delete[] buffers;
buffers = NULL;
//create the buffers for the empty wind buffers
unprocessed += mNumEmptyWindALBuffers;
buffers = new ALuint[mNumEmptyWindALBuffers];
alGetError(); /* clear error */
alGenBuffers(mNumEmptyWindALBuffers,&buffers[0]);
if((error=alGetError()) != AL_NO_ERROR)
{
llwarns << "LLAudioEngine_OpenAL::updateWind() Error creating wind buffer: " << error << llendl;
//break;
}
unprocessed += mNumEmptyWindALBuffers;
while (mNumEmptyWindALBuffers > 0) // fill+queue new buffers
//fill the buffers with generated wind.
int errors = 0;
for(int i = 0; i < mNumEmptyWindALBuffers; i++)
{
ALuint buffer;
alGetError(); /* clear error */
alGenBuffers(1,&buffer);
if((error=alGetError()) != AL_NO_ERROR)
{
llwarns << "LLAudioEngine_OpenAL::updateWind() Error creating wind buffer: " << error << llendl;
break;
}
alBufferData(buffer,
AL_FORMAT_STEREO16,
mWindGen->windGenerate(mWindBuf,
mWindBufSamples),
mWindBufBytes,
mWindBufFreq);
alBufferData(buffers[i],
AL_FORMAT_STEREO16,
mWindGen->windGenerate(mWindBuf,
mWindBufSamples),
mWindBufBytes,
mWindBufFreq);
error = alGetError();
if(error != AL_NO_ERROR)
{
llwarns << "LLAudioEngine_OpenAL::updateWind() error swapping (bufferdata) buffers" << llendl;
errors++;
}
alSourceQueueBuffers(mWindSource, 1, &buffer);
error = alGetError();
if(error != AL_NO_ERROR)
{
llwarns << "LLAudioEngine_OpenAL::updateWind() error swapping (queuing) buffers" << llendl;
}
--mNumEmptyWindALBuffers;
}
//queue the buffers
alSourceQueueBuffers(mWindSource, mNumEmptyWindALBuffers, &buffers[0]);
error = alGetError();
if(error != AL_NO_ERROR)
{
llwarns << "LLAudioEngine_OpenAL::updateWind() error swapping (queuing) buffers" << llendl;
}
mNumEmptyWindALBuffers = errors;
// We dont need to keep track of the buffers' id now.
delete[] buffers;
buffers = NULL;
//restart playing if not playing
ALint playing;
alGetSourcei(mWindSource, AL_SOURCE_STATE, &playing);
if(playing != AL_PLAYING)