--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/heaac_dec/ariheaacdecmmfcodec/src/ariheaacdecmmfcodec.cpp Fri Jul 23 16:58:44 2010 +0100
@@ -0,0 +1,787 @@
+/*
+* Copyright (c) 2009 Aricent and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Aricent - initial contribution.
+*
+* Contributors:
+*
+* Description:
+* Implementation of member functions of Plugin class
+* (CAriHeAacDecMmfCodec).
+*
+*/
+
+
+#include <ecom.h>
+#include <implementationproxy.h>
+
+#include "ariheaacdecwrapper.h"
+#include "ariheaacdecmmfcodec.h"
+#include "ariheaacdecmmfcodec_uid.hrh"
+#include "ariprint.h"
+
+//Maximum size of a single input frame in an AAC stream
+const TInt KMinBytesInput = 1536;
+//Maximum size of a single output frame in an AAC stream
+const TInt KMaxOutputBufSize = 8192;
+
+const TInt KMinParamSize = 11;
+const TInt KRenderStatusIndex = 13;
+const TInt KMarkPlayStatusIndex = 14;
+const TInt KEnableStatusIndex = 15;
+
+// ---------------------------------------------------------------------------
+// Two-phased constructor.
+// Creates an instance of CAriHeAacDecMmfCodec.
+// Instance is not left on cleanup stack.
+// ---------------------------------------------------------------------------
+//
+CMMFCodec* CAriHeAacDecMmfCodec::NewL()
+ {
+ PRINT_ENTRY;
+ CAriHeAacDecMmfCodec* self = new ( ELeave ) CAriHeAacDecMmfCodec();
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop( self );
+ PRINT_EXIT;
+ return ( CMMFCodec* )self;
+ }
+
+// ---------------------------------------------------------------------------
+// Destructor;Destroys the decoder instance and any internal buffers
+// ---------------------------------------------------------------------------
+//
+CAriHeAacDecMmfCodec::~CAriHeAacDecMmfCodec()
+ {
+ PRINT_ENTRY;
+ if ( iInternalInputBuffer )
+ {
+ delete iInternalInputBuffer;
+ iInternalInputBuffer = NULL;
+ }
+ if ( iInternalOutputBuffer )
+ {
+ delete iInternalOutputBuffer;
+ iInternalOutputBuffer = NULL;
+ }
+ if ( iCodec )
+ {
+ delete iCodec;
+ iCodec = NULL;
+ }
+
+ iConfigured = EFalse;
+ PRINT_EXIT;
+ }
+
+
+// ---------------------------------------------------------------------------
+// From class CMMFCodec.
+// The function Sets codec configuration.
+// The value used for aConfigType must be KUidMmfCodecAudioSettings
+// (defined in include\mmf\plugins\mmfCodecImplementationUIDs.hrh)
+// ---------------------------------------------------------------------------
+//
+void CAriHeAacDecMmfCodec::ConfigureL( TUid /* aConfigType */,
+ const TDesC8& aParam )
+ {
+ PRINT_ENTRY;
+ TInt paramLen = aParam.Length();
+ PRINT_MSG( LEVEL_HIGH, ( "param Len: %d",
+ paramLen ) );
+ if ( paramLen < KMinParamSize )
+ {
+ PRINT_MSG( LEVEL_HIGH, ( "param Len: %d",
+ paramLen ) );
+ PRINT_ERR( "Incorrect parameter descriptor " );
+ User::Leave( KErrArgument );
+ }
+ if ( !iConfigured )
+ {
+ RArray<TInt> configParam = ( RArray<TInt>& )( aParam );
+ TInt index = 0;
+
+ index++;
+ //configParam[1] holds NoOfChannels
+ iFrameInfo.iNoOfChannels = configParam[index++];
+ //configParam[2] holds Profile
+ iFrameInfo.iProfile = configParam[index++];
+ //configParam[3] holds OutFrameSize
+ iFrameInfo.iOutFrameSize = configParam[index++];
+ //configParam[4] holds NoOfSamples
+ iFrameInfo.iNoOfSamples = configParam[index++];
+ //configParam[5] holds SamplingFrequency
+ iFrameInfo.iSamplingFrequency = configParam[index++];
+ //Ignore fields 6,7 & 8
+ index++;
+ index++;
+ index++;
+ //configParam[9] holds OutSamplingFrequency
+ iFrameInfo.iOutSamplingFrequency = configParam[index++];
+ //configParam[10] holds ExtObjectType
+ iFrameInfo.iExtObjectType = configParam[index];
+ iFrameInfo.iDownSampledMode = 0;
+
+ if ( paramLen > KMinParamSize)
+ {
+ /**
+ * Call Reset only if fields 13,14 and 15 of the
+ * Param array are set to zero
+ */
+ if ( ( configParam[KRenderStatusIndex] == 0 &&
+ configParam[KMarkPlayStatusIndex] == 0 &&
+ configParam[KEnableStatusIndex] == 0 ) )
+ {
+ PRINT_MSG( LEVEL_HIGH, ( "frameInfo->OutFrameSize: %d",
+ iFrameInfo.iOutFrameSize ) );
+ PRINT_MSG( LEVEL_HIGH, ( "iFrameInfo->NoOfSamples: %d",
+ iFrameInfo.iNoOfSamples ) );
+ PRINT_MSG( LEVEL_HIGH, ( "iFrameInfo->SamplingFrequency: %d",
+ iFrameInfo.iSamplingFrequency ) );
+ PRINT_MSG( LEVEL_HIGH, ( "iFrameInfo->NoOfChannels: %d",
+ iFrameInfo.iNoOfChannels ) );
+ PRINT_MSG( LEVEL_HIGH, ( "iFrameInfo->Profile: %d",
+ iFrameInfo.iProfile ) );
+ PRINT_MSG( LEVEL_HIGH,
+ ( "iFrameInfo->OutSamplingFrequency: %d",
+ iFrameInfo.iOutSamplingFrequency ) );
+ PRINT_MSG( LEVEL_HIGH, ( "iFrameInfo->ExtObjectType: %d",
+ iFrameInfo.iExtObjectType ) );
+ PRINT_MSG( LEVEL_HIGH, ( "iFrameInfo->DownSampledMode: %d",
+ iFrameInfo.iDownSampledMode ) );
+
+ User::LeaveIfError( iCodec->Reset( &iFrameInfo ) );
+
+ iConfigured = ETrue;
+ iOutFrameSize = iFrameInfo.iOutFrameSize;
+ }
+ }
+ else
+ {
+ PRINT_MSG( LEVEL_HIGH, ( "frameInfo->OutFrameSize: %d",
+ iFrameInfo.iOutFrameSize ) );
+ PRINT_MSG( LEVEL_HIGH, ( "iFrameInfo->NoOfSamples: %d",
+ iFrameInfo.iNoOfSamples ) );
+ PRINT_MSG( LEVEL_HIGH, ( "iFrameInfo->SamplingFrequency: %d",
+ iFrameInfo.iSamplingFrequency ) );
+ PRINT_MSG( LEVEL_HIGH, ( "iFrameInfo->NoOfChannels: %d",
+ iFrameInfo.iNoOfChannels ) );
+ PRINT_MSG( LEVEL_HIGH, ( "iFrameInfo->Profile: %d",
+ iFrameInfo.iProfile ) );
+ PRINT_MSG( LEVEL_HIGH, ( "iFrameInfo->OutSamplingFrequency: %d",
+ iFrameInfo.iOutSamplingFrequency ) );
+ PRINT_MSG( LEVEL_HIGH, ( "iFrameInfo->ExtObjectType: %d",
+ iFrameInfo.iExtObjectType ) );
+ PRINT_MSG( LEVEL_HIGH, ( "iFrameInfo->DownSampledMode: %d",
+ iFrameInfo.iDownSampledMode ) );
+
+ User::LeaveIfError( iCodec->Reset( &iFrameInfo ) );
+
+ iConfigured = ETrue;
+
+ iOutFrameSize = iFrameInfo.iOutFrameSize;
+ }
+ }
+ PRINT_EXIT;
+ }
+
+// ---------------------------------------------------------------------------
+// From class CMMFCodec.
+// This function is used to flush out status information when a
+// reposition occurs.
+// This is used if the codec requires resetting prior to use.
+// ---------------------------------------------------------------------------
+//
+void CAriHeAacDecMmfCodec::ResetL()
+ {
+ PRINT_ENTRY;
+ iInternalInputBufferResidueLen = 0;
+ iInternalOutputBufferResidueLen = 0;
+ iInternalOutputBufferPos = 0;
+ PRINT_EXIT;
+ }
+
+
+// ---------------------------------------------------------------------------
+// From class CMMFCodec.
+// This function is used to decode the given source and fill the destination
+// buffer with the decode data.
+// The buffers can be of any size. Since the buffers can be of any size
+// there is no guarantee that all the source buffer can be processed to fill
+// the destination buffer or that the all the source buffer may be processed
+// before the destination is full. Therefore the ProcessL needs to return a
+// TCodecProcessResult returing the number of source bytes processed and the
+// number of destination bytes processed along with a process result code
+// defined thus:
+// - EProcessComplete: the codec processed all the source data into the sink
+// buffer
+// - EProcessIncomplete: the codec filled sink buffer before all the source
+// buffer was processed
+// - EDstNotFilled: the codec processed the source buffer but the sink buffer
+// was not filled
+// - EEndOfData: the codec detected the end data - all source data in
+// processed but sink may not be full
+// - EProcessError: the codec process error condition
+//
+// The ProcessL should start processing the source buffer from the iPosition
+// data member of the source data and start filling the destination buffer
+// from its iPosition.
+// --------------------------------------------------------------------------
+//
+TCodecProcessResult CAriHeAacDecMmfCodec::ProcessL( const CMMFBuffer& aSrc,
+ CMMFBuffer& aDst )
+ {
+ PRINT_ENTRY;
+
+ if ( !iConfigured )
+ {
+ PRINT_ERR( "Decoder not yet configured" );
+ User::Leave( KErrNotReady );
+ }
+ // total decoded bytes added to the dst buffer
+ TInt totalDstBytesAdded = 0;
+ // total src bytes added to the internal src buffer
+ TInt totalSrcBytesCopied = 0;
+ // temporary variable to use for copying the sorce or destination data
+ TInt numberOfBytesCopied = 0;
+ TInt dstBufferRemainingBytes = 0;
+
+ /**
+ * Process the dst buffer, update the dstBufferPos and check
+ * whether dst buffer is NULL or not.
+ */
+ CMMFDataBuffer* dst = static_cast<CMMFDataBuffer*>( &aDst );
+ const TInt dstMaxLen = dst->Data().MaxLength();
+ TUint8* dstPtr = const_cast<TUint8*>( dst->Data().Ptr() );
+ TInt dstBufferPos = dst->Position();
+
+ /**
+ * Process the src buffer, update srcbuffer length, position and
+ * flag for last frame. check whether src buffer is NULL or not
+ * and check src buffer contains any data
+ */
+ const CMMFDataBuffer* src = static_cast<const CMMFDataBuffer*>( &aSrc );
+ TUint8* srcPtr = const_cast<TUint8*>( src->Data().Ptr() );
+ TInt srcBufferLen = src->Data().Length();
+ TInt srcBufferPos = src->Position();
+ TBool lastFrame = src->LastBuffer();
+
+ PRINT_MSG( LEVEL_HIGH, ( "Src Buffer Pos: %d", srcBufferPos ) );
+ PRINT_MSG( LEVEL_HIGH, ( "Dst Buffer Pos: %d", dstBufferPos ) );
+ PRINT_MSG( LEVEL_HIGH, ( "Residue in internal output buffer: %d",
+ iInternalOutputBufferResidueLen - iInternalOutputBufferPos ) );
+ PRINT_MSG( LEVEL_HIGH, ( "Residue in internal input buffer: %d",
+ iInternalInputBufferResidueLen ) );
+ /**
+ * if any destination bytes from internal destination buffer is not
+ * given to the dst buffer from the previous call, give it to the
+ * dst buffer. After this block, it ensures that no bytes are remaining
+ * in the internal destination buffer.
+ */
+ if ( iInternalOutputBufferResidueLen - iInternalOutputBufferPos > 0 )
+ {
+ numberOfBytesCopied = CopyToDstBuffer( dst, totalDstBytesAdded );
+
+ if ( iInternalOutputBufferResidueLen - iInternalOutputBufferPos > 0 )
+ {
+ PRINT_EXIT;
+ return Result( TCodecProcessResult::EProcessIncomplete,
+ totalSrcBytesCopied, totalDstBytesAdded );
+ }
+ else
+ {
+ //Decode NULL frame to handle error concealment
+ if ( lastFrame && ( srcBufferLen - srcBufferPos == 0 )&&
+ ( iInternalInputBufferResidueLen == 0 && !iLastFrameDecoded ) )
+ {
+ dstBufferRemainingBytes = dstMaxLen - dstBufferPos -
+ totalDstBytesAdded;
+ if ( dstBufferRemainingBytes == 0 )
+ {
+ iInternalOutputBufferPos = 0;
+ iInternalOutputBufferResidueLen = 0;
+ totalSrcBytesCopied = 0;
+ PRINT_EXIT;
+ return Result( TCodecProcessResult::EProcessIncomplete,
+ totalSrcBytesCopied, totalDstBytesAdded );
+ }
+
+ TInt dstLen = iOutFrameSize;
+ DecodeLastFrame(dstLen);
+ iInternalOutputBufferResidueLen = dstLen;
+
+ numberOfBytesCopied =
+ CopyToDstBuffer( dst, totalDstBytesAdded );
+ totalDstBytesAdded += numberOfBytesCopied;
+ dstBufferRemainingBytes -= numberOfBytesCopied;
+
+ if ( ( iInternalOutputBufferResidueLen -
+ iInternalOutputBufferPos == 0 ) && iLastFrameDecoded )
+ {
+ totalSrcBytesCopied = 0;
+ iInternalOutputBufferResidueLen = 0;
+ iInternalInputBufferResidueLen = 0;
+ iInternalOutputBufferPos = 0;
+ PRINT_EXIT;
+ return Result( TCodecProcessResult::EEndOfData,
+ totalSrcBytesCopied, totalDstBytesAdded );
+ }
+ else
+ {
+ totalSrcBytesCopied = 0;
+ PRINT_EXIT;
+ return Result( TCodecProcessResult::EProcessIncomplete,
+ totalSrcBytesCopied, totalDstBytesAdded );
+ }
+ }
+ iInternalOutputBufferPos = 0;
+ iInternalOutputBufferResidueLen = 0;
+ }
+ }
+ else
+ {
+ if ( lastFrame && ( srcBufferLen - srcBufferPos == 0 )&&
+ ( iInternalInputBufferResidueLen == 0 && !iLastFrameDecoded ) )
+ {
+ TInt dstLen = iOutFrameSize;
+ DecodeLastFrame(dstLen);
+ iInternalOutputBufferResidueLen = dstLen;
+
+ numberOfBytesCopied = CopyToDstBuffer( dst, totalDstBytesAdded );
+ totalDstBytesAdded += numberOfBytesCopied;
+ dstBufferRemainingBytes -= numberOfBytesCopied;
+
+ if ( ( iInternalOutputBufferResidueLen -
+ iInternalOutputBufferPos == 0 ) && iLastFrameDecoded )
+ {
+ totalSrcBytesCopied = 0;
+ iInternalOutputBufferResidueLen = 0;
+ iInternalInputBufferResidueLen = 0;
+ iInternalOutputBufferPos = 0;
+ PRINT_EXIT;
+ return Result( TCodecProcessResult::EEndOfData,
+ totalSrcBytesCopied, totalDstBytesAdded );
+ }
+ else
+ {
+ totalSrcBytesCopied = 0;
+ PRINT_EXIT;
+ return Result( TCodecProcessResult::EProcessIncomplete,
+ totalSrcBytesCopied, totalDstBytesAdded );
+ }
+ }
+ }
+
+ /**
+ * copy the src buffer data into the internal buffer till internal buffer
+ * holds minimum bytes to process i.e KMinBytesInput. After this block,
+ * it ensures that internal source buffer holds KMinBytesInput.
+ * if it is a last frame, treat remaining residual buffer as internal
+ * buffer.
+ */
+ if ( ( KMinBytesInput - iInternalInputBufferResidueLen > 0 ) &&
+ ( srcBufferLen - srcBufferPos > 0 ) )
+ {
+ numberOfBytesCopied = CopyFromSrcBuffer( src, totalSrcBytesCopied );
+ }
+
+ /**
+ * update the internal buffer length.
+ */
+ if ( ( KMinBytesInput > iInternalInputBufferResidueLen ) &&
+ ( !lastFrame ) )
+ {
+ PRINT_EXIT;
+ return Result( TCodecProcessResult::EDstNotFilled,
+ srcBufferLen - srcBufferPos, totalDstBytesAdded );
+ }
+
+ if ( iLastFrameDecoded && iInternalInputBufferResidueLen == 0 &&
+ iInternalOutputBufferResidueLen == 0 )
+ {
+ totalSrcBytesCopied = 0;
+ iInternalOutputBufferResidueLen = 0;
+ iInternalInputBufferResidueLen = 0;
+ iInternalOutputBufferPos = 0;
+ PRINT_EXIT;
+ return Result( TCodecProcessResult::EEndOfData,
+ totalSrcBytesCopied, totalDstBytesAdded );
+ }
+
+ /**
+ * process the src buffer till destination buffer or source buffer or
+ * both buffers are exhausted.
+ */
+ do
+ {
+ TInt srcBufferRemainingBytes = srcBufferLen - srcBufferPos -
+ totalSrcBytesCopied;
+ dstBufferRemainingBytes = dstMaxLen - dstBufferPos -
+ totalDstBytesAdded;
+ TInt internalInputBufferPos = 0;
+
+ /**
+ * initialize the variables like iSrcUsed and dstLen accordingly.
+ * call Decode.
+ */
+ iSrcUsed = iInternalInputBufferResidueLen - internalInputBufferPos;
+ TInt dstLen = iOutFrameSize;
+
+ TInt error = iCodec->Decode(
+ &iInternalInputBuffer[internalInputBufferPos],
+ iSrcUsed, iInternalOutputBuffer, dstLen );
+ if ( error != 0 )
+ {
+ iInternalInputBufferResidueLen = 0;
+ totalSrcBytesCopied = srcBufferLen;
+ PRINT_ERR( error );
+ return Result(
+ TCodecProcessResult::EProcessError,
+ totalSrcBytesCopied, totalDstBytesAdded + dstBufferPos);
+ }
+ iFrameNum++;
+ PRINT_MSG( LEVEL_HIGH, ( "Frame: %d", iFrameNum ) );
+ PRINT_MSG( LEVEL_HIGH, ( "iSrcUsed: %d", iSrcUsed ) );
+ PRINT_MSG( LEVEL_HIGH, ( "dstLen: %d", dstLen ) );
+
+ /**
+ * Fill Destination Buffer
+ */
+ iInternalOutputBufferResidueLen = dstLen;
+ numberOfBytesCopied = CopyToDstBuffer( dst, totalDstBytesAdded );
+ dstBufferRemainingBytes -= numberOfBytesCopied;
+
+ /**
+ * Fill Source Buffer
+ */
+ internalInputBufferPos += iSrcUsed ;
+ ShiftData( internalInputBufferPos, 0 );
+ numberOfBytesCopied = CopyFromSrcBuffer( src, totalSrcBytesCopied );
+ srcBufferRemainingBytes -= numberOfBytesCopied;
+
+ /**
+ * check four conditions if else for src and if else for dst
+ */
+ /**
+ * src has available bytes
+ */
+ if ( srcBufferRemainingBytes > 0 ||
+ iInternalInputBufferResidueLen >= KMinBytesInput )
+ {
+ if ( dstBufferRemainingBytes == 0 )
+ {
+ PRINT_EXIT;
+ return Result(
+ TCodecProcessResult::EProcessIncomplete,
+ totalSrcBytesCopied, totalDstBytesAdded );
+ }
+ }
+ else
+ {
+ // dst buffer has availabe space for decoded bytes
+ if ( dstBufferRemainingBytes > 0 )
+ {
+ if ( lastFrame )
+ {
+ if ( iInternalInputBufferResidueLen == 0 )
+ {
+ TInt dstLen = iOutFrameSize;
+ DecodeLastFrame(dstLen);
+ iInternalOutputBufferResidueLen = dstLen;
+
+ numberOfBytesCopied =
+ CopyToDstBuffer( dst, totalDstBytesAdded );
+ totalDstBytesAdded += numberOfBytesCopied;
+ dstBufferRemainingBytes -= numberOfBytesCopied;
+
+ if ( ( iInternalOutputBufferResidueLen -
+ iInternalOutputBufferPos == 0 ) &&
+ iLastFrameDecoded )
+ {
+ totalSrcBytesCopied = 0;
+ iInternalOutputBufferResidueLen = 0;
+ iInternalInputBufferResidueLen = 0;
+ iInternalOutputBufferPos = 0;
+ PRINT_EXIT;
+ return Result( TCodecProcessResult::EEndOfData,
+ totalSrcBytesCopied, totalDstBytesAdded );
+ }
+ else
+ {
+ totalSrcBytesCopied = 0;
+ PRINT_EXIT;
+ return Result(
+ TCodecProcessResult::EProcessIncomplete,
+ totalSrcBytesCopied, totalDstBytesAdded );
+ }
+ }
+ }
+ else
+ {
+ PRINT_EXIT;
+ return Result( TCodecProcessResult::EDstNotFilled,
+ totalSrcBytesCopied, totalDstBytesAdded );
+ }
+ }
+ else
+ {
+ if ( iInternalOutputBufferResidueLen -
+ iInternalOutputBufferPos > 0 )
+ {
+ PRINT_EXIT;
+ return Result( TCodecProcessResult::EProcessIncomplete,
+ totalSrcBytesCopied, totalDstBytesAdded );
+ }
+ else
+ {
+ if ( lastFrame )
+ {
+ PRINT_EXIT;
+ return Result(
+ TCodecProcessResult::EProcessIncomplete,
+ totalSrcBytesCopied, totalDstBytesAdded );
+ }
+ else
+ {
+ PRINT_EXIT;
+ return Result(
+ TCodecProcessResult::EProcessComplete,
+ totalSrcBytesCopied, totalDstBytesAdded );
+ }
+ }
+ }
+ }
+ }while ( 1 );
+ }
+
+
+// --------------------------------------------------------------------------
+// Default constructor for performing 1st stage construction.
+// Should not contain any code that could leave.
+// --------------------------------------------------------------------------
+//
+CAriHeAacDecMmfCodec::CAriHeAacDecMmfCodec()
+ {
+ PRINT_ENTRY;
+ iCodec = NULL;
+ iConfigured = EFalse;
+ iOutFrameSize = 0;
+ iLastFrameDecoded = EFalse;
+
+ iFrameNum = 0;
+ PRINT_EXIT;
+ }
+
+
+// ---------------------------------------------------------------------------
+// Second phase of the two-phased constructor.
+// Creates an instance of decoder
+// ---------------------------------------------------------------------------
+//
+void CAriHeAacDecMmfCodec::ConstructL()
+ {
+ PRINT_ENTRY;
+ iCodec = CAriHeAacDecWrapper::NewL();
+
+ iInternalInputBuffer = ( TUint8* ) User::AllocZL( KMinBytesInput );
+ iInternalOutputBuffer = ( TUint8* ) User::AllocZL( KMaxOutputBufSize );
+ PRINT_EXIT;
+ }
+
+//----------------------------------------------------------------------------
+// Updates the result of the processing
+//----------------------------------------------------------------------------
+//
+TCodecProcessResult CAriHeAacDecMmfCodec::Result(
+ TCodecProcessResult::TCodecProcessResultStatus aStatus,
+ TInt aSrcBytesConsumed, TInt aDstBytesAdded )
+ {
+ PRINT_ENTRY;
+ TCodecProcessResult result;
+
+ result.iDstBytesAdded = aDstBytesAdded;
+ result.iSrcBytesProcessed = aSrcBytesConsumed;
+
+ switch ( aStatus )
+ {
+ case TCodecProcessResult::EProcessComplete:
+ result.iStatus = TCodecProcessResult::EProcessComplete;
+ break;
+ case TCodecProcessResult::EProcessIncomplete:
+ result.iStatus = TCodecProcessResult::EProcessIncomplete;
+ break;
+ case TCodecProcessResult::EEndOfData:
+ result.iStatus = TCodecProcessResult::EEndOfData;
+ break;
+ case TCodecProcessResult::EDstNotFilled:
+ result.iStatus = TCodecProcessResult::EDstNotFilled;
+ break;
+ case TCodecProcessResult::EProcessError:
+ result.iStatus = TCodecProcessResult::EProcessError;
+ break;
+ default:
+ result.iStatus = TCodecProcessResult::EProcessError;
+ break;
+ }
+ PRINT_MSG( LEVEL_HIGH, ( "result.iSrcBytesProcessed = %d",
+ result.iSrcBytesProcessed ) );
+ PRINT_MSG( LEVEL_HIGH, ( "result.iDstBytesAdded = %d",
+ result.iDstBytesAdded ) );
+ PRINT_MSG( LEVEL_HIGH, ( "result.iStatus = %d",
+ result.iStatus ) );
+ PRINT_EXIT;
+ return result;
+ }
+
+//----------------------------------------------------------------------------
+// Copy the bytes to destination buffer from the internal buffer
+// first checks whether the number of bytes to be copied is lesser of the
+// destination buffer reamining bytes and internal input internal remaining
+// remaining bytes and then copies that many bytes.
+//----------------------------------------------------------------------------
+//
+ TInt CAriHeAacDecMmfCodec::CopyToDstBuffer( CMMFDataBuffer* aDst,
+ TInt &aDstBytesConsumed )
+ {
+ PRINT_ENTRY;
+ TInt numberOfBytesToBeCopied;
+ const TInt dstMaxLen = aDst->Data().MaxLength();
+ TUint8* dstPtr = const_cast<TUint8*>(aDst->Data().Ptr() );
+ TInt dstBufferPos = aDst->Position();
+
+ TInt dstBufferRemainingBytes = dstMaxLen
+ - dstBufferPos
+ - aDstBytesConsumed;
+ TInt internalOutputBufferRemainingBytes =
+ iInternalOutputBufferResidueLen
+ - iInternalOutputBufferPos;
+
+ if ( internalOutputBufferRemainingBytes > dstBufferRemainingBytes )
+ {
+ numberOfBytesToBeCopied = dstBufferRemainingBytes;
+ }
+ else
+ {
+ numberOfBytesToBeCopied = internalOutputBufferRemainingBytes;
+ iInternalOutputBufferResidueLen = 0;
+ }
+
+ Mem::Copy( dstPtr + dstBufferPos + aDstBytesConsumed,
+ iInternalOutputBuffer + iInternalOutputBufferPos,
+ numberOfBytesToBeCopied );
+
+ if( iInternalOutputBufferResidueLen )
+ {
+ iInternalOutputBufferPos += dstBufferRemainingBytes;
+ }
+ else
+ {
+ iInternalOutputBufferPos = 0;
+ }
+
+ aDstBytesConsumed += numberOfBytesToBeCopied;
+ aDst->Data().SetLength( dstBufferPos + aDstBytesConsumed );
+ PRINT_EXIT;
+ return numberOfBytesToBeCopied;
+ }
+
+//---------------------------------------------------------------------------
+// Copy the bytes from the source buffer to the internal input buffer.
+// first it checks number of bytes to be copied is lesser of the source buffer
+// remaining bytes or internal input buffer remaining bytes and then copies
+// that many bytes.
+//---------------------------------------------------------------------------
+//
+ TInt CAriHeAacDecMmfCodec::CopyFromSrcBuffer(const CMMFDataBuffer* aSrc,
+ TInt &aSrcBytesConsumed )
+ {
+ PRINT_ENTRY;
+ TInt numberOfBytesToBeCopied;
+ TUint8* srcPtr = const_cast <TUint8*>( aSrc->Data().Ptr() );
+ TInt srcBufferLen = aSrc->Data().Length();
+ TInt srcBufferPos = aSrc->Position();
+
+ TInt srcBufferRemainingBytes = srcBufferLen - srcBufferPos
+ - aSrcBytesConsumed;
+
+ TInt internalInputBufferRemaingBytes = KMinBytesInput
+ - iInternalInputBufferResidueLen;
+
+ if ( internalInputBufferRemaingBytes > srcBufferRemainingBytes )
+ {
+ numberOfBytesToBeCopied = srcBufferRemainingBytes;
+ }
+ else
+ {
+ numberOfBytesToBeCopied = internalInputBufferRemaingBytes;
+ }
+
+ Mem::Copy( iInternalInputBuffer + iInternalInputBufferResidueLen,
+ srcPtr + srcBufferPos + aSrcBytesConsumed,
+ numberOfBytesToBeCopied );
+
+ iInternalInputBufferResidueLen += numberOfBytesToBeCopied;
+ aSrcBytesConsumed += numberOfBytesToBeCopied;
+ PRINT_EXIT;
+ return numberOfBytesToBeCopied;
+ }
+
+//---------------------------------------------------------------------------
+// Moves the data of the internal input buffer to the start position
+//---------------------------------------------------------------------------
+//
+void CAriHeAacDecMmfCodec::ShiftData( TInt aFromPos, TInt aToPos )
+ {
+ PRINT_ENTRY;
+ for ( TInt i = 0; i < ( iInternalInputBufferResidueLen -
+ aFromPos ); i++ )
+ {
+ iInternalInputBuffer[i] =
+ iInternalInputBuffer[i + aFromPos];
+ }
+ iInternalInputBufferResidueLen -= aFromPos;
+ PRINT_EXIT;
+ }
+
+//---------------------------------------------------------------------------
+// Calls Decode with NULL as source after all source data is exhausted
+//---------------------------------------------------------------------------
+//
+void CAriHeAacDecMmfCodec::DecodeLastFrame( TInt& aDstLen )
+ {
+ TInt error = iCodec->Decode( NULL, iSrcUsed,
+ iInternalOutputBuffer, aDstLen );
+ if ( KErrNone != error )
+ {
+ aDstLen = 0;
+ }
+
+ iLastFrameDecoded = ETrue;
+ }
+
+// ---------------------------------------------------------------------------
+// Exported proxy for instantiation method resolution
+// Define the interface UIDs
+// ---------------------------------------------------------------------------
+//
+const TImplementationProxy ImplementationTable[] =
+ {
+ IMPLEMENTATION_PROXY_ENTRY( KUidHeAacDecMmfImplUid,
+ CAriHeAacDecMmfCodec::NewL )
+ };
+
+EXPORT_C const TImplementationProxy* ImplementationGroupProxy(
+ TInt& aTableCount )
+ {
+ PRINT_ENTRY;
+ aTableCount = sizeof( ImplementationTable ) /
+ sizeof( TImplementationProxy );
+ PRINT_EXIT;
+ return ImplementationTable;
+ }