/*
* Copyright (c) 2004-2007 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "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:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: Payload format component capable to write RTP payload
* containing G729 audio.
*
*/
// INCLUDE FILES
#include "g729payloadformatwrite.h"
#include "g729payloadformatutil.h"
#include "mccrtpdatasink.h"
#include "mmccinterfacedef.h"
#include "mccuids.hrh"
#include "mccdef.h"
#include "streamformatter.h"
#include "mccrtpmediaclock.h"
#include "mccredpayloadwrite.h"
// ============================= LOCAL FUNCTIONS ===============================
// ============================ MEMBER FUNCTIONS ===============================
// -----------------------------------------------------------------------------
// CG729PayloadFormatWrite::CG729PayloadFormatWrite
// C++ default constructor can NOT contain any code, that
// might leave.
// -----------------------------------------------------------------------------
//
CG729PayloadFormatWrite::CG729PayloadFormatWrite()
{
}
// -----------------------------------------------------------------------------
// CG729PayloadFormatWrite::ConstructL
// Symbian 2nd phase constructor can leave.
// -----------------------------------------------------------------------------
//
void CG729PayloadFormatWrite::ConstructL (MDataSink* aSink)
{
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print( _L("CG729PayloadFormatWrite::ConstructL()") );
#endif
// Set default values
iFramesPerPacket = 2;
iFourCC.Set( KMccFourCCIdG729 );
// Set data sink
iIsRtpSink = ( KMccRtpSinkUid == aSink->DataSinkType() );
TBool isRedEncoder
= ( TUid::Uid( KImplUidRedPayloadFormatEncode ) == aSink->DataSinkType() );
if ( iIsRtpSink )
{
CMccRtpDataSink* tmp = static_cast<CMccRtpDataSink*>( aSink );
iRtpDataSink = static_cast<MMccRtpDataSink*>( tmp );
}
else if ( isRedEncoder )
{
CMccRedPayloadWrite* tmp = static_cast<CMccRedPayloadWrite*>( aSink );
iRtpDataSink = static_cast<MMccRtpDataSink*>( tmp );
iIsRtpSink = ETrue;
}
else
{
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print( _L("CG729PayloadFormatWrite::ConstructL, sink not RTP one" ) );
#endif
}
iClip = aSink;
// Initialize state machine
iStateMachine = CFormatEncodeStateMachine::NewL( this );
}
// -----------------------------------------------------------------------------
// CG729PayloadFormatWrite::NewL
// Two-phased constructor.
// -----------------------------------------------------------------------------
//
CG729PayloadFormatWrite* CG729PayloadFormatWrite::NewL (MDataSink* aSink)
{
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print (_L ("CG729PayloadFormatWrite::NewL()"));
#endif
__ASSERT_ALWAYS( aSink, User::Leave( KErrArgument ) );
CG729PayloadFormatWrite* self = new (ELeave) CG729PayloadFormatWrite;
CleanupStack::PushL ( self );
self->ConstructL ( aSink );
CleanupStack::Pop( self );
return self;
}
// -----------------------------------------------------------------------------
// CG729PayloadFormatWrite::~CG729PayloadFormatWrite
// Destructor..
// -----------------------------------------------------------------------------
//
CG729PayloadFormatWrite::~CG729PayloadFormatWrite ()
{
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print( _L("CG729PayloadFormatWrite::~CG729PayloadFormatWrite()") );
#endif
if ( iStateMachine )
{
iStateMachine->Cancel();
}
// Media clock is not owned
if ( iRtpMediaClock )
{
iRtpMediaClock->UnregisterMediaFormat( iKey );
}
delete iSourceBuffer;
delete iSinkBuffer;
delete iStateMachine;
}
// -----------------------------------------------------------------------------
// CG729PayloadFormatWrite::SinkThreadLogon
// Passes the logon command to the sink clip
// -----------------------------------------------------------------------------
//
TInt CG729PayloadFormatWrite::SinkThreadLogon(
MAsyncEventHandler& aEventHandler )
{
iClip->SinkThreadLogon( aEventHandler );
return KErrNone;
}
// -----------------------------------------------------------------------------
// CG729PayloadFormatWrite::SinkThreadLogoff
// Passes the logoff command to the sink clip
// -----------------------------------------------------------------------------
//
void CG729PayloadFormatWrite::SinkThreadLogoff()
{
iClip->SinkThreadLogoff();
}
// -----------------------------------------------------------------------------
// CG729PayloadFormatWrite::CreateSinkBufferL
// Create a sink buffer
// -----------------------------------------------------------------------------
//
CMMFBuffer* CG729PayloadFormatWrite::CreateSinkBufferL( TMediaId aMediaId,
TBool &aReference )
{
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print( _L("CG729PayloadFormatWrite::CreateSinkBufferL()") );
#endif
if ( KUidMediaTypeAudio != aMediaId.iMediaType )
{
User::Leave( KErrNotSupported );
}
aReference = ETrue;
// Create buffer for data transfer between ULDataPath and FormatWrite
return CreateSinkBufferOfSizeL( KG729CodecEncBufSize );
}
// -----------------------------------------------------------------------------
// CG729PayloadFormatWrite::CreateSinkBufferOfSizeL
// Create a sink buffer of the given size.
// -----------------------------------------------------------------------------
//
CMMFDataBuffer* CG729PayloadFormatWrite::CreateSinkBufferOfSizeL( TUint aSize )
{
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print( _L("CG729PayloadFormatWrite::CreateSinkBufferOfSizeL()") );
#endif
// Need to create a source buffer
if ( !iSourceBuffer )
{
iSourceBuffer = CMMFDataBuffer::NewL( aSize );
iSourceBuffer->Data().FillZ( aSize );
iSourceBuffer->SetRequestSizeL( aSize );
}
return iSourceBuffer;
}
// -----------------------------------------------------------------------------
// CG729PayloadFormatWrite::EmptyBufferL
// Empty the given source buffer
// -----------------------------------------------------------------------------
//
void CG729PayloadFormatWrite::EmptyBufferL( CMMFBuffer* aBuffer,
MDataSource* aSupplier, TMediaId aMediaId )
{
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print( _L("CG729PayloadFormatWrite::EmptyBufferL aBuffer[0x%x]"), aBuffer);
#endif
__ASSERT_ALWAYS( aBuffer, User::Leave( KErrArgument ) );
__ASSERT_ALWAYS ( aBuffer == iSourceBuffer, User::Leave( KErrArgument ) );
__ASSERT_ALWAYS( aSupplier, User::Leave( KErrArgument ) );
__ASSERT_ALWAYS( KUidMediaTypeAudio == aMediaId.iMediaType,
User::Leave( KErrNotSupported ) );
// Save source buffer parameters and change the state.
iDataPath = aSupplier;
iMediaId = aMediaId;
iSourceBuffer = static_cast<CMMFDataBuffer*>( aBuffer );
if ( !iSinkBuffer )
{
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print( _L("CG729PayloadFormatWrite::EmptyBufferL, sink not ready!") );
#endif
iStateMachine->ChangeState( ESourceBufferEmptied );
return;
}
TUint32 ts = 0;
User::LeaveIfError( iRtpMediaClock->GetTimeStamp( iKey, ts ) );
if ( iRtpMediaClock->TimeBasedIncrement() )
{
iFirstPacketFinished = EFalse;
}
if ( 0 == iFrameIndex )
{
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print( _L("CG729PayloadFormatWrite::EmptyBufferL, SetTimeToPlay") );
#endif
iSinkBuffer->SetTimeToPlay( TInt64( ts ) );
iSinkBuffer->SetFrameNumber( aBuffer->FrameNumber() );
}
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
TDesC8& data = iSourceBuffer->Data();
RDebug::Print( _L("CG729PayloadFormatWrite::EmptyBufferL DATALEN: %d"), data.Length() );
RDebug::Print( _L("CG729PayloadFormatWrite::EmptyBufferL DATA_SZ: %d"), data.Size() );
if( data.Length() > KG729NumOfHeaderBytes )
{
RDebug::Print( _L("CG729PayloadFormatWrite::EmptyBufferL DATA[0]: %u"), data[0] );
RDebug::Print( _L("CG729PayloadFormatWrite::EmptyBufferL DATA[1]: %u"), data[1] );
}
#endif
iStateMachine->ChangeState( EEmptySourceBuffer );
}
// -----------------------------------------------------------------------------
// CG729PayloadFormatWrite::SetSinkDataTypeCode
// Set the sink data type to the given four CC code for the given media
// -----------------------------------------------------------------------------
//
TInt CG729PayloadFormatWrite::SetSinkDataTypeCode( TFourCC aSinkFourCC,
TMediaId aMediaId )
{
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print (_L ("CG729PayloadFormatWrite::SetSinkDataTypeCode()"));
#endif
if ( KUidMediaTypeAudio != aMediaId.iMediaType )
{
return KErrNotSupported;
}
iFourCC = aSinkFourCC;
return KErrNone;
}
// -----------------------------------------------------------------------------
// CG729PayloadFormatWrite::SinkDataTypeCode
// Return the sink data type (four CC code) for the given media ID
// -----------------------------------------------------------------------------
//
TFourCC CG729PayloadFormatWrite::SinkDataTypeCode( TMediaId aMediaId )
{
if ( KUidMediaTypeAudio == aMediaId.iMediaType )
{
return iFourCC;
}
else
{
return TFourCC(); //defaults to 'NULL' fourCC
}
}
// -----------------------------------------------------------------------------
// CG729PayloadFormatWrite::BufferEmptiedL
// Called after payload buffer is completely emptied by RtpDataSink.
// -----------------------------------------------------------------------------
//
void CG729PayloadFormatWrite::BufferEmptiedL( CMMFBuffer* /*aBuffer*/ )
{
}
// -----------------------------------------------------------------------------
// CG729PayloadFormatWrite::NumChannels
// Returns number of channels
// -----------------------------------------------------------------------------
//
TUint CG729PayloadFormatWrite::NumChannels()
{
return KMono;
}
// -----------------------------------------------------------------------------
// CG729PayloadFormatWrite::SampleRate
// Returns SampleRate
// -----------------------------------------------------------------------------
//
TUint CG729PayloadFormatWrite::SampleRate()
{
return KG729SampleRate;
}
// -----------------------------------------------------------------------------
// CG729PayloadFormatWrite::SetSampleRate
// Set SampleRate
// -----------------------------------------------------------------------------
//
TInt CG729PayloadFormatWrite::SetSampleRate( TUint aSampleRate )
{
return ( KG729SampleRate == aSampleRate ) ? KErrNone : KErrNotSupported;
}
// -----------------------------------------------------------------------------
// CG729PayloadFormatWrite::FrameTimeInterval
// Return the frame time interval for the given media
// -----------------------------------------------------------------------------
//
TTimeIntervalMicroSeconds CG729PayloadFormatWrite::FrameTimeInterval(
TMediaId aMediaId) const
{
if ( KUidMediaTypeAudio == aMediaId.iMediaType )
{
return iFrameTimeInterval;
}
else
{
return TTimeIntervalMicroSeconds( TInt64( 0 ) );
}
}
// -----------------------------------------------------------------------------
// CG729PayloadFormatWrite::Duration
// Return the frame time interval for the given media
// NOT SUPPORTED
// -----------------------------------------------------------------------------
//
TTimeIntervalMicroSeconds CG729PayloadFormatWrite::Duration(
TMediaId /*aMediaType*/) const
{
return TTimeIntervalMicroSeconds( TInt64( 0 ) );
}
// -----------------------------------------------------------------------------
// CG729PayloadFormatWrite::EmptySourceBufferL
// Empty the given sourcebuffer
// Sourcebuffer is given in iSourceBuffer.
// Called by statemachine
// -----------------------------------------------------------------------------
//
void CG729PayloadFormatWrite::EmptySourceBufferL()
{
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print (_L ("CG729PayloadFormatWrite::EmptySourceBufferL - SRC BUF SIZE: %d"),
iSourceBuffer->Data().Size() );
#endif
TPtrC8 audioFrame( iSourceBuffer->Data().Mid( KG729NumOfHeaderBytes ) );
TPtrC8 dtxHeader( iSourceBuffer->Data().Left( KG729NumOfHeaderBytes ) );
if ( KAudioFrameHeaderByte == dtxHeader[0] )
{
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print (_L ("CG729PayloadFormatWrite::EmptySourceBufferL - AUDIO FRAME") );
#endif
iFrameIndex++;
DoBitPacking( audioFrame, iSinkBuffer->Data(), EFalse );
}
else if ( KCNoiseFrameHeaderByte == dtxHeader[0] )
{
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print (_L ("CG729PayloadFormatWrite::EmptySourceBufferL - CNOISE FRAME") );
#endif
// This is first comfort noise received. Audio in buffer must send
// immediately with CN frame at the end of buffer. RFC3551 4.5.6.
iFrameIndex = 0;
if ( KErrNone == DoBitPacking( audioFrame, iSinkBuffer->Data(), ETrue ) )
{
DeliverPacketL( *iSinkBuffer );
}
}
else
{
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print (_L ("CG729PayloadFormatWrite::EmptySourceBufferL - NULL BIT RATE FRAME") );
#endif
}
if ( iFrameIndex == iFramesPerPacket )
{
// Packetization interval amount of audio frames is received
iFrameIndex = 0;
DeliverPacketL( *iSinkBuffer );
}
iStateMachine->ChangeState( ESourceBufferEmptied );
}
// -----------------------------------------------------------------------------
// CG729PayloadFormatWrite::DeliverPacketL
// Prepare the packet header and deliver the packet to the datasink.
// -----------------------------------------------------------------------------
//
void CG729PayloadFormatWrite::DeliverPacketL( CMMFDataBuffer& aPayload )
{
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print( _L("CG729PayloadFormatWrite::DeliverPacketL - TSTAMP: %u"),
static_cast<TUint32>( aPayload.TimeToPlay().Int64() ) );
#endif
// Set the marker bit if it is very first packet.
if ( !iFirstPacketFinished )
{
iRtpSendHeader.iMarker = 1;
iFirstPacketFinished = ETrue;
}
else
{
iRtpSendHeader.iMarker = 0;
}
if ( !iClip )
{
User::Leave( KErrNotReady );
}
// Construct RTP header.
iRtpSendHeader.iPayloadType = iCInfo.iPayloadType;
iRtpSendHeader.iTimestamp
= static_cast<TUint32>( aPayload.TimeToPlay().Int64() );
if ( aPayload.Data().Size() )
{
if ( iIsRtpSink )
{
iRtpDataSink->EmptyBufferL( &aPayload, this, iMediaId, iRtpSendHeader );
}
else
{
aPayload.SetLastBuffer( iRtpSendHeader.iMarker );
iClip->EmptyBufferL( &aPayload, this, iMediaId );
}
}
// Reset the payload buffer -- only if previous EmptyBufferL() is a
// synchronous call
aPayload.Data().Zero();
}
// -----------------------------------------------------------------------------
// CG729PayloadFormatWrite::SourceBufferEmptiedL
// Handle the event that sourcebuffer has been emptied.
// Sourcebuffer is given in "iSourceBuffer".
// Called by the statemachine.
// -----------------------------------------------------------------------------
//
void CG729PayloadFormatWrite::SourceBufferEmptiedL()
{
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print (_L ("CG729PayloadFormatWrite::SourceBufferEmptiedL()"));
#endif
iDataPath->BufferEmptiedL(iSourceBuffer);
}
// -----------------------------------------------------------------------------
// CG729PayloadFormatWrite::SinkPrimeL
// Prime sink
// -----------------------------------------------------------------------------
//
void CG729PayloadFormatWrite::SinkPrimeL()
{
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print (_L ("CG729PayloadFormatWrite::SinkPrimeL()"));
#endif
iClip->SinkPrimeL();
}
// -----------------------------------------------------------------------------
// CG729PayloadFormatWrite::SinkPlayL
// Start playing.
// -----------------------------------------------------------------------------
//
void CG729PayloadFormatWrite::SinkPlayL()
{
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print (_L ("CG729PayloadFormatWrite::SinkPlayL()"));
#endif
// Allocate buffer for data transfer between
// FormatWrite - MDataSink AND FormatWrite - redundancy payload encoder
delete iSinkBuffer;
iSinkBuffer = NULL;
iSinkBuffer = CMMFDataBuffer::NewL( iCInfo.iFrameSize * iFramesPerPacket );
// Start state machine
iStateMachine->ChangeState( EEncodeIdle );
// RTP Header marker-bit must be set to 1 when starting stream
iFirstPacketFinished = EFalse;
// Start a new cycle of frame collecting
iFrameIndex = 0;
if ( iSinkBuffer )
{
iSinkBuffer->SetLastBuffer( EFalse );
}
iClip->SinkPlayL();
}
// -----------------------------------------------------------------------------
// CG729PayloadFormatWrite::SinkPauseL
// Pause sink
// -----------------------------------------------------------------------------
//
void CG729PayloadFormatWrite::SinkPauseL()
{
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print (_L ("CG729PayloadFormatWrite::SinkPauseL()"));
#endif
iStateMachine->Cancel();
iStateMachine->ChangeState( EEncodeIdle );
iClip->SinkPauseL();
}
// -----------------------------------------------------------------------------
// CG729PayloadFormatWrite::SinkStopL
// Stop sink
// -----------------------------------------------------------------------------
//
void CG729PayloadFormatWrite::SinkStopL()
{
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print( _L("CG729PayloadFormatWrite::SinkStopL") );
#endif
// Stop state machine
iStateMachine->Cancel();
iStateMachine->ChangeState( EEncodeIdle );
iClip->SinkStopL();
}
// ---------------------------------------------------------------------------
// CG729PayloadFormatWrite::DoBitPacking
// Does bit-packing for encoded speech parameters got from encoder.
// ---------------------------------------------------------------------------
//
TInt CG729PayloadFormatWrite::DoBitPacking( const TDesC8& aSourceBuf,
TDes8& aDestBuf, TBool aIsCNoise ) const
{
if ( aDestBuf.MaxLength() - aDestBuf.Length() < KG729FrameSize10ms )
{
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print ( _L ( "CG729PayloadFormatWrite::DoBitPacking - DESTINATION BUF TOO SMALL!" ) );
#endif
return KErrArgument;
}
else
{
TStreamEncoder encoder;
encoder.Initialize( const_cast<TUint8*>( aDestBuf.Ptr() ), aDestBuf.Length(), 0 );
TUint8 numOfParams( 0 );
if ( aIsCNoise )
{
numOfParams = KG729NumOfCNoiseParams;
aDestBuf.SetLength( aDestBuf.Length() + KG729CNFrameSize );
}
else
{
numOfParams = KG729NumOfAudioParams;
aDestBuf.SetLength( aDestBuf.Length() + KG729FrameSize10ms );
}
TUint8 curParamBits( 0 );
TInt byteIndex( 0 );
TUint8 lsb( 0 );
TUint8 msb( 0 );
for ( TInt i = 0; i < numOfParams; i++ )
{
if ( aIsCNoise )
{
curParamBits = KG729CodecBufCNoiseBits[i];
}
else
{
curParamBits = KG729CodecBufAudioBits[i];
}
if ( KBitsInByte >= curParamBits )
{
lsb = aSourceBuf[ byteIndex ];
encoder.Encode( TUint32( lsb ), curParamBits );
}
else
{
lsb = aSourceBuf[ byteIndex ];
msb = aSourceBuf[ byteIndex + 1 ];
encoder.Encode( TUint32( msb ), curParamBits - KBitsInByte );
encoder.Encode( TUint32( lsb ), KBitsInByte );
}
byteIndex += 2;
}
return KErrNone;
}
}
// ---------------------------------------------------------------------------
// CG729PayloadFormatWrite::ConfigurePayloadFormatL
// Configure payload encoding parameters
// ---------------------------------------------------------------------------
//
void CG729PayloadFormatWrite::ConfigurePayloadFormatL(
const TDesC8& aConfigParams,
CMccRtpMediaClock& aClock )
{
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print( _L("CG729PayloadFormatWrite::ConfigurePayloadFormatL IN") );
#endif
__ASSERT_ALWAYS( aConfigParams.Size() == sizeof( TMccCodecInfo ),
User::Leave( KErrArgument ) );
TMccCodecInfoBuffer infoBuffer;
infoBuffer.Copy( aConfigParams );
if ( !infoBuffer().iIsUpdate )
{
iCInfo = infoBuffer();
iRtpMediaClock = &aClock;
iKey = iRtpMediaClock->RegisterMediaFormat( KG729SampleRate ,iCInfo.iHwFrameTime );
iCInfo.iHwFrameTime = KG729FrameTimeInMs;
iFramesPerPacket = iCInfo.iPtime / iCInfo.iHwFrameTime;
iCInfo.iFrameSize = KG729FrameSize10ms;
iFrameTimeInterval = TInt64( iCInfo.iHwFrameTime * TInt8( iFramesPerPacket ) );
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print( _L( "CG729PayloadFormatWrite::ConfigurePayloadFormatL - FramesPerPacket: %d, FrameSize: %d" ), iFramesPerPacket, iCInfo.iFrameSize );
#endif
if ( EGenRedUsed == iCInfo.iAlgoUsed )
{
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print( _L("CG729PayloadFormatWrite::ConfigurePayloadFormatL, RED LEVEL: %d"),
iCInfo.iRedundancyCount );
#endif
CPayloadFormatWrite* redEncoder
= static_cast<CMccRedPayloadWrite*>( iClip );
TMccRedPayloadWriteConfig config;
config.iRedBlockCount = iCInfo.iRedundancyCount;
config.iMaxPayloadSize = iCInfo.iFrameSize * iFramesPerPacket;
config.iNumOfEncodings = 1;
config.iRedPayloadType = iCInfo.iRedundantPayload;
config.InitPayloadTypes();
config.iEncPayloadTypes[0] = iCInfo.iPayloadType;
TMccRedPayloadWritePckg pckg( config );
redEncoder->ConfigurePayloadFormatL( pckg, *iRtpMediaClock );
}
}
else
{
UpdateConfigurationL( infoBuffer() );
}
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print ( _L ( "CG729PayloadFormatWrite::ConfigurePayloadFormatL OUT" ) );
#endif
}
// -----------------------------------------------------------------------------
// CG729PayloadFormatWrite::UpdateConfigurationL
// Update payload encoding parameters
// -----------------------------------------------------------------------------
//
void CG729PayloadFormatWrite::UpdateConfigurationL( const TMccCodecInfo& aCodecInfo )
{
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print( _L("CG729PayloadFormatWrite::UpdateConfigurationL IN") );
#endif
iCInfo.iPtime = aCodecInfo.iPtime;
iCInfo.iPayloadType = aCodecInfo.iPayloadType;
iFramesPerPacket = iCInfo.iPtime / iCInfo.iHwFrameTime;
iFrameTimeInterval = TInt64( iCInfo.iHwFrameTime * TInt8( iFramesPerPacket ) );
// Allocate buffer for data transfer between
// FormatWrite - MDataSink AND FormatWrite - redundancy payload encoder
delete iSinkBuffer;
iSinkBuffer = NULL;
iSinkBuffer = CMMFDataBuffer::NewL( iCInfo.iFrameSize * iFramesPerPacket );
// Start a new cycle of frame collecting
iFrameIndex = 0;
#ifdef TRACE_G729_PAYLOAD_FORMAT_WRITE
RDebug::Print( _L("CG729PayloadFormatWrite::UpdateConfigurationL OUT") );
#endif
}
// ========================== OTHER EXPORTED FUNCTIONS =========================
// End of File