////////////////////////////////////////////////////////////////////////////
///
/// Pass accumulated data to the output ring and maintain class state variables.
///
/// \todo If we were more clever about buffer management we wouldn't have to
/// copy the frame header onto the stack.
///
/// \return Collator status code, CollatorNoError indicates success.
///
CollatorStatus_t Collator_PesAudio_c::InternalFrameFlush(void)
{
CollatorStatus_t Status;
unsigned char CopiedFrameHeader[FrameHeaderLength];
//
AssertComponentState("Collator_PesAudio_c::InternalFrameFlush", ComponentRunning);
//
COLLATOR_DEBUG(">><<\n");
// temporarily copy the following frame header (if there is one) to the stack
if (AccumulatedFrameReady)
{
memcpy(CopiedFrameHeader, StoredFrameHeader, FrameHeaderLength);
AccumulatedDataSize -= FrameHeaderLength;
//Assert( BufferBase + AccumulatedDataLength == StoredFrameHeader );
}
// now pass the complete frame onward
Status = Collator_Pes_c::InternalFrameFlush();
if (Status != CodecNoError)
return Status;
if (AccumulatedFrameReady)
{
// put the stored frame header into the new buffer
Status = AccumulateData(FrameHeaderLength, CopiedFrameHeader);
if (Status != CollatorNoError)
COLLATOR_DEBUG("Cannot accumulate data #8 (%d)\n", Status);
AccumulatedFrameReady = false;
}
else
{
ResetCollatorStateAfterForcedFrameFlush();
}
return CodecNoError;
}
CollatorStatus_t Collator_PesAudioLpcm_c::Reset( void )
{
CollatorStatus_t Status;
//
COLLATOR_DEBUG(">><<\n");
Status = Collator_PesAudio_c::Reset();
if( Status != CollatorNoError )
return Status;
// FrameHeaderLength belongs to Collator_PesAudio_c so we must set it after the class has been reset
FrameHeaderLength = LPCM_FRAME_HEADER_SIZE;
Configuration.StreamIdentifierMask = 0xff;
Configuration.StreamIdentifierCode = 0xbd; // lpcm packets always have a stream_id equal to 0xbd
Configuration.BlockTerminateMask = 0xff;
Configuration.BlockTerminateCode = 0x00;
Configuration.IgnoreCodesRangeStart = 0x01; // All slice codes
Configuration.IgnoreCodesRangeEnd = 0xbd - 1;
Configuration.InsertFrameTerminateCode = false;
Configuration.TerminalCode = 0;
Configuration.ExtendedHeaderLength = AudioPesPrivateDataLength[StreamType];
Configuration.DeferredTerminateFlag = false;
ResetCollatorStateAfterForcedFrameFlush();
return CollatorNoError;
}
