--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/amrnb_enc/ariamrnbencmmfcodec/src/ariamrnbencmmfcodec.cpp Fri Jul 23 16:58:44 2010 +0100
@@ -0,0 +1,622 @@
+/*
+* 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
+* (CAriAmrNbEncMmfCodec).
+*
+*/
+
+#include <ecom.h>
+#include <implementationproxy.h>
+
+#include "ariamrnbencwrapper.h"
+#include "ariamrnbencmmfcodec.h"
+#include "ariamrnbencmmfcodec_uid.hrh"
+#include "AriPrint.h"
+
+//Minimum bytes that contain 160 samples that has to be encoded at a time
+const TUint KMinBytesInput = 320;
+const TUint KMinDstLen = 32;
+
+
+// --------------------------------------------------------------------------
+// Two-phased constructor.
+// Creates an instance of CAriAmrNbEncMmfCodec.
+// Instance is not left on cleanup stack.
+// --------------------------------------------------------------------------
+//
+CMMFCodec* CAriAmrNbEncMmfCodec::NewL()
+ {
+ PRINT_ENTRY;
+ CAriAmrNbEncMmfCodec* self = new ( ELeave ) CAriAmrNbEncMmfCodec();
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop( self );
+ PRINT_EXIT;
+ return ( CMMFCodec* )self;
+ }
+
+// --------------------------------------------------------------------------
+// Destructor;Destroys the encoder instance and any internal buffers
+// --------------------------------------------------------------------------
+//
+CAriAmrNbEncMmfCodec::~CAriAmrNbEncMmfCodec()
+ {
+ 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.
+// value used for aConfigType must be KUidMmfCodecAudioSettings
+// (defined in include\mmf\plugins\mmfCodecImplementationUIDs.hrh)
+//
+// --------------------------------------------------------------------------
+//
+void CAriAmrNbEncMmfCodec::ConfigureL( TUid /* aConfigType */,
+ const TDesC8& aParam )
+ {
+ PRINT_ENTRY;
+ if ( !iConfigured )
+ {
+ TInt encMode = 0;
+ TInt dtx = 0;
+ TInt offset = 0;
+
+ Mem::Copy( &encMode, aParam.Ptr() + offset, sizeof( TInt ) );
+ offset += sizeof(TInt);
+
+ Mem::Copy( &dtx, aParam.Ptr() + offset, sizeof( TInt ) );
+ offset += sizeof(TInt);
+
+ iParam.iMode = ( TInt16 )encMode;
+ iParam.iDtx = ( TInt16 )dtx;
+
+ PRINT_MSG( LEVEL_HIGH, ( "Mode: %d", iParam.iMode ) );
+ PRINT_MSG( LEVEL_HIGH, ( "DTX: %d", iParam.iDtx ) );
+
+ User::LeaveIfError( iCodec->Reset( &iParam ) );
+
+ iConfigured = ETrue;
+ }
+ 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 CAriAmrNbEncMmfCodec::ResetL()
+ {
+ PRINT_ENTRY;
+ User::LeaveIfError( iCodec->Reset( &iParam ) );
+ PRINT_EXIT;
+ }
+
+
+// --------------------------------------------------------------------------
+// From class CMMFCodec.
+// This function is used to encode the given source and fill the destination
+// buffer with the encode 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 is
+// 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 CAriAmrNbEncMmfCodec::ProcessL( const CMMFBuffer& aSrc,
+ CMMFBuffer& aDst )
+ {
+ PRINT_ENTRY;
+
+ // total encoded 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;
+ TInt srcBufferRemainingBytes = 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
+ {
+ if ( lastFrame && ( srcBufferLen - srcBufferPos == 0 ) &&
+ ( iInternalInputBufferResidueLen == 0 ) )
+ {
+ totalSrcBytesCopied = 0;
+ iInternalOutputBufferResidueLen = 0;
+ iInternalInputBufferResidueLen = 0;
+ iInternalOutputBufferPos = 0;
+ PRINT_EXIT;
+ return Result( TCodecProcessResult::EEndOfData,
+ totalSrcBytesCopied, totalDstBytesAdded );
+ }
+ iInternalOutputBufferPos = 0;
+ iInternalOutputBufferResidueLen = 0;
+ }
+ }
+
+ /**
+ * 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 ( ( iSrclenToProcess - iInternalInputBufferResidueLen > 0 ) &&
+ ( srcBufferLen - srcBufferPos > 0 ) )
+ {
+ numberOfBytesCopied = CopyFromSrcBuffer( src, totalSrcBytesCopied );
+ }
+
+ if ( ( iSrclenToProcess > iInternalInputBufferResidueLen ) &&
+ ( !lastFrame ) )
+ {
+ PRINT_EXIT;
+ return Result( TCodecProcessResult::EDstNotFilled,
+ srcBufferLen - srcBufferPos, totalDstBytesAdded );
+ }
+ srcBufferRemainingBytes = srcBufferLen - srcBufferPos -
+ totalSrcBytesCopied;
+ dstBufferRemainingBytes = dstMaxLen - dstBufferPos - totalDstBytesAdded;
+
+ if ( lastFrame && ( ( iSrclenToProcess > iInternalInputBufferResidueLen )
+ && ( iSrclenToProcess > srcBufferRemainingBytes ) )
+ && ( iInternalOutputBufferResidueLen -
+ iInternalOutputBufferPos == 0 ) )
+ {
+ totalSrcBytesCopied = 0;
+ iInternalOutputBufferResidueLen = 0;
+ iInternalInputBufferResidueLen = 0;
+ iInternalOutputBufferPos = 0;
+ PRINT_EXIT;
+ return Result( TCodecProcessResult::EEndOfData,
+ totalSrcBytesCopied, totalDstBytesAdded );
+ }
+
+ if ( iInternalOutputBufferResidueLen - iInternalOutputBufferPos == 0 )
+ {
+ iInternalOutputBufferResidueLen = 0;
+ iInternalOutputBufferPos = 0;
+ }
+ /**
+ * process the src buffer till destination buffer or source buffer or
+ * both buffers are exhausted.
+ */
+ do
+ {
+ srcBufferRemainingBytes = srcBufferLen - srcBufferPos -
+ totalSrcBytesCopied;
+ dstBufferRemainingBytes = dstMaxLen - dstBufferPos -
+ totalDstBytesAdded;
+ TInt internalInputBufferPos = 0;
+
+ /**
+ * initialize the variables like srcUsed and dstLen accordingly.
+ * call encode.
+ */
+ TInt index;
+ TInt srcUsed = iSrclenToProcess;
+ TInt dstLen = KMinDstLen;
+ TInt* tempIn = NULL;
+ TInt len = KMinBytesInput / sizeof( TInt );
+ tempIn = ( TInt* ) ( ( iInternalInputBuffer +
+ internalInputBufferPos ) );
+ for ( index = 0; index < len; index++ )
+ {
+ tempIn[index] &= 0xfff8fff8;
+ }
+
+ TInt error = iCodec->Encode( tempIn, srcUsed,
+ iInternalOutputBuffer, dstLen );
+ if ( error != 0 )
+ {
+ iInternalInputBufferResidueLen = 0;
+ totalSrcBytesCopied = srcBufferLen;
+ PRINT_ERR( error );
+ return Result(
+ TCodecProcessResult::EProcessError,
+ totalSrcBytesCopied, totalDstBytesAdded + dstBufferPos );
+ }
+
+ /**
+ * Fill Destination Buffer
+ */
+ iInternalOutputBufferResidueLen = dstLen;
+ numberOfBytesCopied = CopyToDstBuffer( dst, totalDstBytesAdded );
+ dstBufferRemainingBytes -= numberOfBytesCopied;
+
+ /***
+ * Fill Source Buffer
+ */
+ internalInputBufferPos += srcUsed ;
+ 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 >=
+ iSrclenToProcess )
+ {
+ if( dstBufferRemainingBytes == 0 )
+ {
+ PRINT_EXIT;
+ return Result(
+ TCodecProcessResult::EProcessIncomplete,
+ totalSrcBytesCopied, totalDstBytesAdded );
+ }
+ }
+ else
+ {
+ // dst buffer has availabe space for encoded bytes
+ if ( dstBufferRemainingBytes > 0 )
+ {
+ if ( lastFrame )
+ {
+ if ( iInternalInputBufferResidueLen == 0 )
+ {
+ iInternalOutputBufferResidueLen = 0;
+ iInternalInputBufferResidueLen = 0;
+ iInternalOutputBufferPos = 0;
+ PRINT_EXIT;
+ return Result( TCodecProcessResult::EEndOfData,
+ 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 &&
+ ( iInternalInputBufferResidueLen == 0 ) )
+ {
+ iInternalOutputBufferResidueLen = 0;
+ iInternalInputBufferResidueLen = 0;
+ iInternalOutputBufferPos = 0;
+ PRINT_EXIT;
+ return Result( TCodecProcessResult::EEndOfData,
+ 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.
+// --------------------------------------------------------------------------
+//
+CAriAmrNbEncMmfCodec::CAriAmrNbEncMmfCodec()
+ {
+ PRINT_ENTRY;
+ iCodec = NULL;
+ iConfigured = EFalse;
+ iSrclenToProcess = KMinBytesInput;
+ iInternalInputBufferResidueLen = 0;
+ iInternalOutputBufferResidueLen = 0;
+ iInternalOutputBufferPos = 0;
+ iInternalInputBuffer = NULL;
+ iInternalOutputBuffer = NULL;
+ //default Parameters
+ iParam.iMode = 0;
+ iParam.iDtx = 0;
+ iParam.iFileFormat = 0;
+ PRINT_EXIT;
+ }
+
+
+// --------------------------------------------------------------------------
+// Second phase of the two-phased constructor.
+// Creates an instance of encoder
+// --------------------------------------------------------------------------
+//
+void CAriAmrNbEncMmfCodec::ConstructL()
+ {
+ PRINT_ENTRY;
+ iCodec = CAriAmrNbEncWrapper::NewL();
+
+ iInternalInputBuffer = ( TUint8* ) User::AllocZL( KMinBytesInput );
+ iInternalOutputBuffer = ( TUint8* ) User::AllocZL( KMinDstLen );
+
+ PRINT_MSG( LEVEL_HIGH, ( "Default mode: %d", iParam.iMode ) );
+ PRINT_MSG( LEVEL_HIGH, ( "Default DTX: %d", iParam.iDtx ) );
+ //Reset encoder with default parameters
+ User::LeaveIfError( iCodec->Reset( &iParam ) );
+ PRINT_EXIT;
+ }
+
+//----------------------------------------------------------------------------
+// Updates the result of the processing
+//----------------------------------------------------------------------------
+//
+TCodecProcessResult CAriAmrNbEncMmfCodec::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 CAriAmrNbEncMmfCodec::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 CAriAmrNbEncMmfCodec::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 CAriAmrNbEncMmfCodec::ShiftData( TInt aFromPos, TInt aToPos )
+ {
+ PRINT_ENTRY;
+ for ( TInt i = aFromPos; i < ( iInternalInputBufferResidueLen -
+ aFromPos ); i++ )
+ {
+ iInternalInputBuffer[i] =
+ iInternalInputBuffer[i + aFromPos];
+ }
+ iInternalInputBufferResidueLen -= aFromPos;
+ PRINT_EXIT;
+ }
+
+
+// --------------------------------------------------------------------------
+// Exported proxy for instantiation method resolution
+// Define the interface UIDs
+// --------------------------------------------------------------------------
+//
+const TImplementationProxy ImplementationTable[] =
+ {
+ IMPLEMENTATION_PROXY_ENTRY( KUidAmrNbEncMmfImplUid,
+ CAriAmrNbEncMmfCodec::NewL )
+ };
+
+EXPORT_C const TImplementationProxy* ImplementationGroupProxy(
+ TInt& aTableCount )
+ {
+ PRINT_ENTRY;
+ aTableCount = sizeof( ImplementationTable ) /
+ sizeof( TImplementationProxy );
+ PRINT_EXIT;
+ return ImplementationTable;
+ }