long
AudioStream::DataCallback(void* aBuffer, long aFrames)
{
MonitorAutoLock mon(mMonitor);
MOZ_ASSERT(mState != SHUTDOWN, "No data callback after shutdown");
auto writer = AudioBufferWriter(
reinterpret_cast<AudioDataValue*>(aBuffer), mOutChannels, aFrames);
// FIXME: cubeb_pulse sometimes calls us before cubeb_stream_start() is called.
// We don't want to consume audio data until Start() is called by the client.
if (mState == INITIALIZED) {
NS_WARNING("data callback fires before cubeb_stream_start() is called");
mAudioClock.UpdateFrameHistory(0, aFrames);
return writer.WriteZeros(aFrames);
}
// NOTE: wasapi (others?) can call us back *after* stop()/Shutdown() (mState == SHUTDOWN)
// Bug 996162
// callback tells us cubeb succeeded initializing
if (mState == STARTED) {
mState = RUNNING;
}
if (mInRate == mOutRate) {
GetUnprocessed(writer);
} else {
GetTimeStretched(writer);
}
// Always send audible frames first, and silent frames later.
// Otherwise it will break the assumption of FrameHistory.
if (!mDataSource.Ended()) {
mAudioClock.UpdateFrameHistory(aFrames - writer.Available(), writer.Available());
if (writer.Available() > 0) {
LOGW("lost %d frames", writer.Available());
writer.WriteZeros(writer.Available());
}
} else {
// No more new data in the data source. Don't send silent frames so the
// cubeb stream can start draining.
mAudioClock.UpdateFrameHistory(aFrames - writer.Available(), 0);
}
WriteDumpFile(mDumpFile, this, aFrames, aBuffer);
return aFrames - writer.Available();
}
long
AudioStream::DataCallback(void* aBuffer, long aFrames)
{
MonitorAutoLock mon(mMonitor);
MOZ_ASSERT(mState != SHUTDOWN, "No data callback after shutdown");
auto writer = AudioBufferWriter(
reinterpret_cast<AudioDataValue*>(aBuffer), mOutChannels, aFrames);
if (mPrefillQuirk) {
// Don't consume audio data until Start() is called.
// Expected only with cubeb winmm backend.
if (mState == INITIALIZED) {
NS_WARNING("data callback fires before cubeb_stream_start() is called");
mAudioClock.UpdateFrameHistory(0, aFrames);
return writer.WriteZeros(aFrames);
}
} else {
MOZ_ASSERT(mState != INITIALIZED);
}
// NOTE: wasapi (others?) can call us back *after* stop()/Shutdown() (mState == SHUTDOWN)
// Bug 996162
if (mAudioClock.GetInputRate() == mAudioClock.GetOutputRate()) {
GetUnprocessed(writer);
} else {
GetTimeStretched(writer);
}
// Always send audible frames first, and silent frames later.
// Otherwise it will break the assumption of FrameHistory.
if (!mDataSource.Ended()) {
mAudioClock.UpdateFrameHistory(aFrames - writer.Available(), writer.Available());
if (writer.Available() > 0) {
LOGW("lost %d frames", writer.Available());
writer.WriteZeros(writer.Available());
}
} else {
// No more new data in the data source. Don't send silent frames so the
// cubeb stream can start draining.
mAudioClock.UpdateFrameHistory(aFrames - writer.Available(), 0);
}
WriteDumpFile(mDumpFile, this, aFrames, aBuffer);
return aFrames - writer.Available();
}
/**********************************************************************
* TABMAPHeaderBlock::CommitToFile()
*
* Commit the current state of the binary block to the file to which
* it has been previously attached.
*
* This method makes sure all values are properly set in the header
* block buffer and then calls TABRawBinBlock::CommitToFile() to do
* the actual writing to disk.
*
* Returns 0 if succesful or -1 if an error happened, in which case
* CPLError() will have been called.
**********************************************************************/
int TABMAPHeaderBlock::CommitToFile()
{
int i, nStatus = 0;
if ( m_pabyBuf == NULL || m_nBlockSize != HDR_DATA_BLOCK_SIZE )
{
CPLError(CE_Failure, CPLE_AssertionFailed,
"TABRawBinBlock::CommitToFile(): Block has not been initialized yet!");
return -1;
}
/*-----------------------------------------------------------------
* Reconstruct header to make sure it is in sync with members variables.
*----------------------------------------------------------------*/
GotoByteInBlock(0x000);
WriteBytes(HDR_OBJ_LEN_ARRAY_SIZE, gabyObjLenArray);
m_nMaxObjLenArrayId = HDR_OBJ_LEN_ARRAY_SIZE-1;
GotoByteInBlock(0x100);
WriteInt32(HDR_MAGIC_COOKIE);
WriteInt16(m_nMAPVersionNumber);
WriteInt16(HDR_DATA_BLOCK_SIZE);
WriteDouble(m_dCoordsys2DistUnits);
WriteInt32(m_nXMin);
WriteInt32(m_nYMin);
WriteInt32(m_nXMax);
WriteInt32(m_nYMax);
WriteZeros(16); // ???
WriteInt32(m_nFirstIndexBlock);
WriteInt32(m_nFirstGarbageBlock);
WriteInt32(m_nFirstToolBlock);
WriteInt32(m_numPointObjects);
WriteInt32(m_numLineObjects);
WriteInt32(m_numRegionObjects);
WriteInt32(m_numTextObjects);
WriteInt32(m_nMaxCoordBufSize);
WriteZeros(14); // ???
WriteByte(m_nDistUnitsCode);
WriteByte(m_nMaxSpIndexDepth);
WriteByte(m_nCoordPrecision);
WriteByte(m_nCoordOriginQuadrant);
WriteByte(m_nReflectXAxisCoord);
WriteByte(m_nMaxObjLenArrayId); // See gabyObjLenArray[]
WriteByte(m_numPenDefs);
WriteByte(m_numBrushDefs);
WriteByte(m_numSymbolDefs);
WriteByte(m_numFontDefs);
WriteInt16(m_numMapToolBlocks);
WriteZeros(3); // ???
WriteByte(m_sProj.nProjId);
WriteByte(m_sProj.nEllipsoidId);
WriteByte(m_sProj.nUnitsId);
WriteDouble(m_XScale);
WriteDouble(m_YScale);
WriteDouble(m_XDispl);
WriteDouble(m_YDispl);
for(i=0; i<6; i++)
WriteDouble(m_sProj.adProjParams[i]);
WriteDouble(m_sProj.dDatumShiftX);
WriteDouble(m_sProj.dDatumShiftY);
WriteDouble(m_sProj.dDatumShiftZ);
for(i=0; i<5; i++)
WriteDouble(m_sProj.adDatumParams[i]);
/*-----------------------------------------------------------------
* OK, call the base class to write the block to disk.
*----------------------------------------------------------------*/
if (nStatus == 0)
nStatus = TABRawBinBlock::CommitToFile();
return nStatus;
}
