bool LLAudioChannel::updateBuffer()
{
if (!mCurrentSourcep)
{
// This channel isn't associated with any source, nothing
// to be updated
return false;
}
// Initialize the channel's gain setting for this sound.
if(gAudiop)
{
setSecondaryGain(gAudiop->getSecondaryGain(mCurrentSourcep->getType()));
}
LLAudioBuffer *bufferp = mCurrentSourcep->getCurrentBuffer();
//This buffer is still in use, so mark it as such, and reset the use timer.
if (bufferp)
{
bufferp->mLastUseTimer.reset();
bufferp->mInUse = true;
}
//Return true if the buffer changed and is not null.
return bufferp != mCurrentBufferp && !!(mCurrentBufferp = bufferp);
}
bool LLAudioChannel::updateBuffer()
{
if (!mCurrentSourcep)
{
// This channel isn't associated with any source, nothing
// to be updated
return false;
}
// Initialize the channel's gain setting for this sound.
if(gAudiop)
{
setSecondaryGain(gAudiop->getSecondaryGain(mCurrentSourcep->getType()));
}
LLAudioBuffer *bufferp = mCurrentSourcep->getCurrentBuffer();
if (bufferp == mCurrentBufferp)
{
if (bufferp)
{
// The source hasn't changed what buffer it's playing
bufferp->mLastUseTimer.reset();
bufferp->mInUse = true;
}
return false;
}
//
// The source changed what buffer it's playing. We need to clean up
// the existing channel
//
LLAudioSource* source = mCurrentSourcep;
cleanup();
mCurrentSourcep = source;
mCurrentSourcep->setChannel(this);
llassert(mCurrentBufferp == NULL);
mCurrentBufferp = bufferp;
if (bufferp)
{
bufferp->mLastUseTimer.reset();
bufferp->mInUse = true;
}
if (!mCurrentBufferp)
{
// There's no new buffer to be played, so we just abort.
return false;
}
return true;
}
bool LLAudioChannel::updateBuffer()
{
if (!gAudiop)
{
LL_WARNS("AudioEngine") << "LLAudioEngine instance doesn't exist!" << LL_ENDL;
return false;
}
if (!mCurrentSourcep)
{
// This channel isn't associated with any source, nothing
// to be updated
return false;
}
// Initialize the channel's gain setting for this sound.
setSecondaryGain(gAudiop->getSecondaryGain(mCurrentSourcep->getType()));
LLAudioBuffer *bufferp = mCurrentSourcep->getCurrentBuffer();
if (bufferp == mCurrentBufferp)
{
if (bufferp)
{
// The source hasn't changed what buffer it's playing
bufferp->mLastUseTimer.reset();
bufferp->mInUse = true;
}
return false;
}
//
// The source changed what buffer it's playing. We need to clean up
// the existing channel
//
cleanup();
mCurrentBufferp = bufferp;
if (bufferp)
{
bufferp->mLastUseTimer.reset();
bufferp->mInUse = true;
}
if (!mCurrentBufferp)
{
// There's no new buffer to be played, so we just abort.
return false;
}
return true;
}