void OpenALChannel::addData(const ByteArray &inBytes)
{
if (!mDynamicStackSize)
{
//LOG_SOUND("Adding data with no buffers?");
return;
}
mDynamicDone = false;
ALuint buffer = mDynamicStack[0];
mDynamicStack[0] = mDynamicStack[1];
mDynamicStackSize--;
QueueBuffer(buffer,inBytes);
// Make sure it is still playing ...
if (!mDynamicDone && mDynamicStackSize==1)
{
ALint val = 0;
alGetSourcei(mSourceID, AL_SOURCE_STATE, &val);
if(val != AL_PLAYING)
{
//LOG_SOUND("Kickstart (%d/%d)",val,mDynamicStackSize);
// This is an indication that the previous buffer finished playing before we could deliver the new buffer.
// You will hear ugly popping noises...
alSourcePlay(mSourceID);
}
}
}
OpenALChannel::OpenALChannel(const ByteArray &inBytes,const SoundTransform &inTransform)
{
//LOG_SOUND("OpenALChannel dynamic %d",inBytes.Size());
mSound = 0;
mSourceID = 0;
mUseStream = false;
mDynamicBuffer[0] = 0;
mDynamicBuffer[1] = 0;
mDynamicStackSize = 0;
mSampleBuffer = 0;
mWasPlaying = true;
mStream = 0;
alGenBuffers(2, mDynamicBuffer);
if (!mDynamicBuffer[0])
{
//LOG_SOUND("Error creating dynamic sound buffer!");
}
else
{
mSampleBuffer = new short[8192*STEREO_SAMPLES];
// grab a source ID from openAL
alGenSources(1, &mSourceID);
QueueBuffer(mDynamicBuffer[0],inBytes);
if (!mDynamicDone)
mDynamicStack[mDynamicStackSize++] = mDynamicBuffer[1];
// set some basic source prefs
alSourcef(mSourceID, AL_PITCH, 1.0f);
alSourcef(mSourceID, AL_GAIN, inTransform.volume);
alSource3f(mSourceID, AL_POSITION, (float) cos((inTransform.pan - 1) * (1.5707)), 0, (float) sin((inTransform.pan + 1) * (1.5707)));
alSourcePlay(mSourceID);
}
//sgOpenChannels.push_back((intptr_t)this);
}
ManifestorStatus_t Manifestor_Audio_c::QueueDecodeBuffer(class Buffer_c *Buffer)
{
ManifestorStatus_t Status;
BufferStatus_t BufferStatus;
unsigned int BufferIndex;
//MANIFESTOR_DEBUG(">><<\n");
AssertComponentState("Manifestor_Audio_c::QueueDecodeBuffer", ComponentRunning);
//
// Obtain the index for the buffer and populate the parameter data.
//
BufferStatus = Buffer->GetIndex(&BufferIndex);
if (BufferStatus != BufferNoError)
{
MANIFESTOR_ERROR("Unable to lookup buffer index %x.\n", BufferStatus);
return ManifestorError;
}
StreamBuffer[BufferIndex].Buffer = Buffer;
StreamBuffer[BufferIndex].EventPending = EventPending;
EventPending = false;
BufferStatus = Buffer->ObtainMetaDataReference(Player->MetaDataParsedFrameParametersReferenceType,
(void **) &StreamBuffer[BufferIndex].FrameParameters);
if (BufferStatus != BufferNoError)
{
MANIFESTOR_ERROR("Unable to access buffer parsed frame parameters %x.\n", BufferStatus);
return ManifestorError;
}
BufferStatus = Buffer->ObtainMetaDataReference(Player->MetaDataParsedAudioParametersType,
(void **) &StreamBuffer[BufferIndex].AudioParameters);
if (BufferStatus != BufferNoError)
{
MANIFESTOR_ERROR("Unable to access buffer parsed audio parameters %x.\n", BufferStatus);
return ManifestorError;
}
Buffer->DumpToRelayFS(ST_RELAY_TYPE_DECODED_AUDIO_BUFFER, ST_RELAY_SOURCE_AUDIO_MANIFESTOR + RelayfsIndex, (void *)Player);
BufferStatus = Buffer->ObtainMetaDataReference(Player->MetaDataAudioOutputTimingType,
(void **) &StreamBuffer[BufferIndex].AudioOutputTiming);
if (BufferStatus != BufferNoError)
{
MANIFESTOR_ERROR("Unable to access buffer audio output timing parameters %x.\n", BufferStatus);
return ManifestorError;
}
BufferStatus = Buffer->ObtainDataReference(NULL, NULL,
(void **)(&StreamBuffer[BufferIndex].Data), UnCachedAddress);
if (BufferStatus != BufferNoError)
{
MANIFESTOR_ERROR("Unable to obtain buffer's data reference %x.\n", BufferStatus);
return ManifestorError;
}
StreamBuffer[BufferIndex].QueueAsCodedData = true;
//
// Check if there are new audio parameters (i.e. change of sample rate etc.) and note this
//
if (0 == memcmp(&LastSeenAudioParameters, StreamBuffer[BufferIndex].AudioParameters,
sizeof(LastSeenAudioParameters)))
{
StreamBuffer[BufferIndex].UpdateAudioParameters = false;
}
else
{
StreamBuffer[BufferIndex].UpdateAudioParameters = true;
memcpy(&LastSeenAudioParameters, StreamBuffer[BufferIndex].AudioParameters,
sizeof(LastSeenAudioParameters));
}
//
// Allow the sub-class to have a peek at the buffer before we queue it for display
//
Status = QueueBuffer(BufferIndex);
if (Status != ManifestorNoError)
{
MANIFESTOR_ERROR("Unable to queue buffer %x.\n", Status);
return Status;
}
//
// Enqueue the buffer for display within the playback thread
//
OS_LockMutex(&BufferQueueLock);
QueuedBufferCount++;
StreamBuffer[BufferIndex].NextIndex = INVALID_BUFFER_ID; // end marker
if (BufferQueueHead == INVALID_BUFFER_ID)
{
BufferQueueHead = BufferIndex;
}
else
{
StreamBuffer[BufferQueueTail].NextIndex = BufferIndex;
}
BufferQueueTail = BufferIndex;
OS_UnLockMutex(&BufferQueueLock);
OS_SetEvent(&BufferQueueUpdated);
return ManifestorNoError;
}
