bluetoothengine/btaudiostreamer/src/btaudiostreamsender.cpp
author hgs
Mon, 12 Jul 2010 19:25:26 +0300
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permissions -rw-r--r--
201027_02
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/*
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* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Contains an implementation of CBTAudioStreamSender class.
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*
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*/
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#include "btaudiostreamsender.h"
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#include "btaudiostreamsendersbc.h"
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#include "btaudiostreamerdebug.h" 
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#include <btsockaddr.h> // TBTSockAddr 
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// ---------------------------------------------------------------------------
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// Constructor. 
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// ---------------------------------------------------------------------------
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//
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CBTAudioStreamSender::CBTAudioStreamSender(MBTAudioStreamSenderObserver& aObserver, RRtpSession& aSession) :
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    CActive(EPriorityHigh),     
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    iObserver(aObserver), 
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    iRtpSession(aSession), 
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    iPayloadDesC(NULL,NULL), 
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    iLinkOptimiserAvailable(EFalse)
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    {
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    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::CBTAudioStreamSender() ->")));
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    CActiveScheduler::Add(this);    
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    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::CBTAudioStreamSender() <-")));
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    }
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// ---------------------------------------------------------------------------
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// Symbian OS second phase contruction. 
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// ---------------------------------------------------------------------------
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//
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void CBTAudioStreamSender::ConstructL()
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    {
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    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::ConstructL() ->")));   
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    iSendSrc = iRtpSession.NewSendSourceL();
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    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t New send source created.")));
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    iSendSrc.PrivRegisterEventCallbackL(ERtpSendSucceeded, (TRtpCallbackFunction)CBTAudioStreamSender::PacketSent, this);
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    iSendSrc.PrivRegisterEventCallbackL(ERtpSendFail, (TRtpCallbackFunction)CBTAudioStreamSender::SendError, this);
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    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t Callbacks registered.")));
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    iStreamerState = EStopped; 
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    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTSTATE, FLOG(_L("[BTAudioStreamer]\t State changed to: EStopped")));
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    iThread = RThread();
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    iCurrentSendPacket = new (ELeave) RRtpSendPacket; 
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    iSpareSendPacket = new (ELeave) RRtpSendPacket; 
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    if(iA2DPOptimiser.Open() == KErrNone)
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        {
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        iLinkOptimiserAvailable = ETrue; 
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        }
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    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::ConstructL() <-")));
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    }
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// ---------------------------------------------------------------------------
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// Static factory method. 
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// ---------------------------------------------------------------------------
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//
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CBTAudioStreamSender* CBTAudioStreamSender::NewL(MBTAudioStreamSenderObserver& aObserver, RRtpSession& aSession)
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    {
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    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::NewL() ->")));
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    if (!aSession.IsOpen())
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        {
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        User::Leave(KErrArgument);
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        }
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    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::NewL() <-")));
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    return CBTAudioStreamSenderSBC::NewL(aObserver, aSession); 
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    }
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// ---------------------------------------------------------------------------
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// Destructor. 
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// ---------------------------------------------------------------------------
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//
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CBTAudioStreamSender::~CBTAudioStreamSender()
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    {
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    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::~CBTAudioStreamSender() ->")));
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    Cancel();
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    if(iCurrentSendPacket) 
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        {
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        if(iCurrentSendPacket->IsOpen() != EFalse)
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            {
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   			iCurrentSendPacket->Close();
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            }
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         delete iCurrentSendPacket; 
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         iCurrentSendPacket = NULL; 
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         }
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    if(iSpareSendPacket) 
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        {
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        if(iSpareSendPacket->IsOpen() != EFalse)
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            {
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            iSpareSendPacket->Close(); 
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            }
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        delete iSpareSendPacket; 
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        iSpareSendPacket = NULL; 
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        }
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    iSendSrc.Close();
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    if(iLinkOptimiserAvailable)
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        {
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        iA2DPOptimiser.Close();
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        }
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    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::~CBTAudioStreamSender() <-")));
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    }
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// ---------------------------------------------------------------------------
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// This is the static callback method which CBTAudioStreamSender registers with the RtpSession to be called
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// when a packet is _successfully_ sent.  It is a static method so simply calls a processing
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// method on the class pointed to be aPtr (which is the CBTAudioStreamSender which registered the cb).
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// ---------------------------------------------------------------------------
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//
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void CBTAudioStreamSender::PacketSent(CBTAudioStreamSender* aPtr, const TRtpEvent& /*aEvent*/)
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    {
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    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::PacketSent() ->")));
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    aPtr->DoPacketSent();
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    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::PacketSent() <-")));
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    }
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// ---------------------------------------------------------------------------
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// An instance method which is called by the static callback function.  We simply notify the
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// observer if all data has been sent. If it hasn't, then we send more data. 
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// ---------------------------------------------------------------------------
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//
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void CBTAudioStreamSender::DoPacketSent()
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    {
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    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::DoPacketSent() ->")));
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	// First check if we're Stopping. 
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    if(iStreamerState == EStopped)
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        {
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	    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTSTATE, FLOG(_L("[BTAudioStreamer]\t Stopping and packet sending completed.")));
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        iObserver.NotifyBufferSent(*iBuffer); // Return the buffer. 
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		return; // No need to do more here, we're stopping. 
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        }
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	else
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		{
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		iStreamerState = EBuffering; 
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    	BT_AUDIO_STREAMER_TRACE_OPT( KPRINTSTATE, FLOG(_L("[BTAudioStreamer]\t State changed to: EBuffering")));
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		}
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    PacketSendingCompleted(iPayloadDesC); 
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    // If we're here, then there either is data in the buffer or it has been emptied completely. 
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    // Check this by calling the method again. If we consumed the buffer completely, 
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    // the method just signals the observer. 
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    if(iNonprocessedDataInBuffer != EFalse) 
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        {
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				// Check if we need to start using new sendpacket. 
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        if(iChangingFrameLength != EFalse)
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            {
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        	  SwitchToNewSendPacket(); 
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		        }
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            ConsumeBuffer(); 
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        }
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    else 
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        {
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        iObserver.NotifyBufferSent(*iBuffer); 
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        }
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    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::DoPacketSent() <-")));
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}
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// ---------------------------------------------------------------------------
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// This is the static callback method which CBTAudioStreamSender registers with the RtpSession to be called
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// when a packet sending fails.
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// ---------------------------------------------------------------------------
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//
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void CBTAudioStreamSender::SendError(CBTAudioStreamSender* aPtr, const TRtpEvent& /*aEvent*/)
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    {
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    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::SendError() ->")));
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    aPtr->DoSendError();
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    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::SendError() <-")));
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    }
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// ---------------------------------------------------------------------------
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// An instance method which is called by the static callback function.  
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// We set the state to EErrorSending and handle the error next time in RunL. 
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// ---------------------------------------------------------------------------
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//
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void CBTAudioStreamSender::DoSendError()
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    {
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    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::DoSendError() ->")));
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    iStreamerState = EErrorSending; 
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    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTSTATE, FLOG(_L("[BTAudioStreamer]\t State changed to: EErrorSending")));
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    if (!IsActive())
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        {
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        TRequestStatus *status = &iStatus;
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        iStatus = KRequestPending;
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        iThread.RequestComplete(status, KErrNone);
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        SetActive();
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        }
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    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::DoSendError() <-")));
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    }
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// ---------------------------------------------------------------------------
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// This method is for setting the sender up. 
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// ---------------------------------------------------------------------------
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//
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TInt CBTAudioStreamSender::SetNewFrameLength(TUint aOutboundMTUSize, const TUint aFrameLength, const TUint aTargetBitrate)
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    {
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    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::SetNewFrameLength() ->")));
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		TInt retVal = KErrGeneral;
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   221
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		// Don't proceed if the previous change is not completed yet. 
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		if(iChangingFrameLength != EFalse)
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		    {
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        BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t Previous frame length change still ongoing!")));
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        BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::SetNewFrameLength() <-")));
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		    return KErrInUse; 
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		    }
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    if(iSpareSendPacket) 
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        {
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        __ASSERT_DEBUG(!iSpareSendPacket->IsOpen(),User::Invariant());
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        }
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    TInt requiredPacketLength = CalculatePacketLength(aOutboundMTUSize, aFrameLength); 
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    if(requiredPacketLength > 0) 
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        {
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		    iNewFrameLength = aFrameLength; 
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    		BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t Creating new sendpacket.")));
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			__ASSERT_DEBUG(iSpareSendPacket, User::Invariant());
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    		TRAPD(ret, *iSpareSendPacket = iSendSrc.NewSendPacketL(requiredPacketLength));
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        	if( ret )
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        		{
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        		BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t ERROR! Creating new sendpacket failed.")));
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        		return KErrGeneral;
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   248
        		}
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        	iChangingFrameLength = ETrue; 
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			retVal = KErrNone; 
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   251
      }
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    else 
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   253
        {
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   254
        BT_AUDIO_STREAMER_TRACE_OPT( KPRINTSTATE, FLOG(_L("[BTAudioStreamer]\t Error! Packet length must be greater than zero!")));
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        retVal = KErrArgument; 
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   256
        }
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   257
    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::SetNewFrameLength() <-")));
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   258
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    iTargetBitrate = aTargetBitrate; 
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    return retVal; 
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   261
    }
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   262
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   263
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// ---------------------------------------------------------------------------
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// This method is for setting the sender up. 
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// ---------------------------------------------------------------------------
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   267
//
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   268
void CBTAudioStreamSender::StartL(TUint aOutboundMTUSize, const TUint aFrameLength, const TUint aTargetBitrate)
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    {
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    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::StartL() ->")));
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    if(iCurrentSendPacket) 
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        {
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        __ASSERT_DEBUG(!iCurrentSendPacket->IsOpen(),User::Invariant());
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   274
        }
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    TInt requiredPacketLength = CalculatePacketLength(aOutboundMTUSize, aFrameLength); 
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   276
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   277
    if(requiredPacketLength > 0) 
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        {
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		__ASSERT_DEBUG(iCurrentSendPacket, User::Invariant());
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        *iCurrentSendPacket = iSendSrc.NewSendPacketL(requiredPacketLength); 
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        iTargetBitrate = aTargetBitrate; 
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        InitSender(*iCurrentSendPacket, iPayloadDesC, iTargetBitrate); 
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        iStreamerState = EBuffering; 
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        BT_AUDIO_STREAMER_TRACE_OPT( KPRINTSTATE, FLOG(_L("[BTAudioStreamer]\t State changed to: EBuffering")));
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   285
      }
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   286
    else 
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   287
        {
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   288
        BT_AUDIO_STREAMER_TRACE_OPT( KPRINTSTATE, FLOG(_L("[BTAudioStreamer]\t Error! Packet length must be greater than zero!")));
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        User::Leave(KErrArgument); 
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   290
        }
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parents:
diff changeset
   291
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   292
    // Streaming started, optimise the ACL link if optimiser service is available. 
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   293
    if(iLinkOptimiserAvailable)
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   294
        {
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   295
        // The below code is to get the connected device's BT Address.
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        TBTSockAddr addr; 
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   297
        iRtpSession.RtpSocket()->RemoteName(addr); 
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parents:
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   298
        TUint accessLatency = MaxFramesPerPacket() * CalculateFrameDuration(aFrameLength, aTargetBitrate); 
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   299
        // Not checking the return code, because it doesn't matter if it fails. 
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   300
        iA2DPOptimiser.OptimiseAclForAudioStreaming(addr.BTAddr(), aTargetBitrate, accessLatency);
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   301
        }
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   302
    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::StartL() <-")));
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   303
    }
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diff changeset
   304
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   305
// ---------------------------------------------------------------------------
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parents:
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   306
// This method is for closing the sender down. 
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   307
// ---------------------------------------------------------------------------
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   308
//
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   309
void CBTAudioStreamSender::Stop()
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   310
    {
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   311
    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::Stop() ->")));
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   312
	// Make sure that the packet is not out at the moment. 
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   313
	Cancel(); 
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   314
    if(iCurrentSendPacket->IsOpen() != EFalse)
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parents:
diff changeset
   315
        {
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   316
   		iCurrentSendPacket->Close(); 
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parents:
diff changeset
   317
        }
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parents:
diff changeset
   318
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diff changeset
   319
    if(iSpareSendPacket->IsOpen() != EFalse)
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parents:
diff changeset
   320
        {
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parents:
diff changeset
   321
    	iSpareSendPacket->Close(); 
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parents:
diff changeset
   322
        }
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parents:
diff changeset
   323
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parents:
diff changeset
   324
    // Remove the ACL link optimisation if optimiser service is available. 
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parents:
diff changeset
   325
    if(iLinkOptimiserAvailable)
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parents:
diff changeset
   326
        {
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diff changeset
   327
	    TBTSockAddr addr; 
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parents:
diff changeset
   328
    	iRtpSession.RtpSocket()->RemoteName(addr); 
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parents:
diff changeset
   329
	    // Not checking the return code, because it doesn't matter if it fails. 
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parents:
diff changeset
   330
    	iA2DPOptimiser.RemoveAclOptimisation(addr.BTAddr());
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parents:
diff changeset
   331
		}
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parents:
diff changeset
   332
    iStreamerState = EStopped; 
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parents:
diff changeset
   333
    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTSTATE, FLOG(_L("[BTAudioStreamer]\t State changed to: EStopped")));
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parents:
diff changeset
   334
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   335
    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::Stop() <-")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   336
    }
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   337
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   338
// ---------------------------------------------------------------------------
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   339
// From class CBTAudioStreamSender.
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   340
// RunL will be called when ConsumeBuffer has decided that we have enough 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   341
// frames for one packet, or DoSendError was called. 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   342
// ---------------------------------------------------------------------------
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   343
//
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   344
void CBTAudioStreamSender::RunL()
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   345
    {        
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   346
    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::RunL() ->")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   347
    switch(iStreamerState)
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
        {
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
        case ESending: 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
            {    
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
            // Set A2DP media packet header. 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
            AddHeaderToSendPacket(iPayloadDesC); 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
            // Use the timestamp from the first buffer. 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
            BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t Adjust and set timestamp.")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
            iCurrentSendPacket->SetTimestamp(iAdjustedTimestamp); 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
            // Set the length and send the packet. 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
            BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t Set length.")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
            iCurrentSendPacket->WritePayload().SetLength(iPayloadDesC.Length());
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
            BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t Send.")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
            iCurrentSendPacket->Send();
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
            BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t Packet has transferred to RTP API.")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
            }
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
            break; 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
        case EBuffering: 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
            {
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
            // Note: Here we will check that no packets were discarded while waiting for the sending to complete. 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
            // If that happens, we could inform SAC and then try to decrease the bitrate. 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
    
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
            BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t Packet sent succesfully.")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
            iPayloadDesC.Zero(); 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
            }
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
            break; 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
        case EErrorSending: 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
            {
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
            // Note: Inform the observer 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
            BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t Packet sending failed.")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
            iPayloadDesC.Zero(); 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
            PacketSendingCompleted(iPayloadDesC); 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
            iStreamerState = EBuffering; 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
            
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
            // Tell client that we're ready for more data. Method name is misleading, but we will request for more 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
            // until the observer tells us to stop. 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
            iObserver.NotifyBufferSent(*iBuffer); 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
            BT_AUDIO_STREAMER_TRACE_OPT( KPRINTSTATE, FLOG(_L("[BTAudioStreamer]\t State changed to: EBuffering")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
            }
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
            break; 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
        default: 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
            {
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
          BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t Error: RunL is in incorrect state!")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
            }
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
            break; 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
        }
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::RunL() <-")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
    }
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
// ---------------------------------------------------------------------------
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
// For sending the frames. 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
// ---------------------------------------------------------------------------
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
//
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
TInt CBTAudioStreamSender::SendThisBuffer(const TDesC8& aBuffer, TTimeIntervalMicroSeconds aTimestamp)
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
    {
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::SendThisBuffer() ->")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FPrint(_L("[BTAudioStreamer]\t Received timestamp low: %d"), I64LOW(aTimestamp.Int64()))); 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FPrint(_L("[BTAudioStreamer]\t Received timestamp high: %d"), I64HIGH(aTimestamp.Int64()))); 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
    // Store the buffer's address for later reference. 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
    iBuffer = &aBuffer; 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
		if(iChangingFrameLength != EFalse) 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
		{
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
			// Check the new framelength... 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
			if(aBuffer.Length() == iNewFrameLength)  // Check if the buffer exactly of the new length. 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
			{
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
						// If we have data with previous frame length in buffer, send it first. 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
            if(iNonprocessedDataInBuffer != EFalse)
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
                {
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
	              ProceedToPacketSending(); 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
                return KErrNone; 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
                }
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
            else	// Else we can switch to new packet immediately and continue processing this buffer. 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
                {
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
								SwitchToNewSendPacket(); 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
                }
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
			}
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
			else if(aBuffer.Length() > iNewFrameLength) // Check if it's safe to peek at index iNewFrameLength. 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
			{
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
				if(aBuffer[iNewFrameLength] == 0x9c) // Check if the index iNewFrameLength the syncword. 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
				    {
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
						// If we have data with previous frame length in buffer, send it first. 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
            if(iNonprocessedDataInBuffer != EFalse)
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
                {
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   438
	              ProceedToPacketSending(); 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
                return KErrNone; 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
                }
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
            else	// Else we can switch to new packet immediately and continue processing this buffer. 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
                {
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
								SwitchToNewSendPacket(); 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
                }
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
						}
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
				else 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
				{
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
            BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender: Still waiting for packets of the new frame length...")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   449
				}
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   450
			}
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   451
			else 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   452
			{
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   453
        BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender: Still waiting for packets of the new frame length...")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   454
				// Encoder has not yet started to use the new frame length. 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   455
			}
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   456
		}
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   457
    else if(iStreamerState != EBuffering) 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   458
        {
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   459
        // Previous sending is not yet completed or there is was an error that is not yet handled. 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   460
        // Just discard the incoming frame. 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   461
        BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender error: Previous buffer sending hasn't completed - discarding this buffer.")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   462
        iObserver.NotifyBufferSent(aBuffer); 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   463
        BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::SendThisBuffer() <-")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   464
        return KErrOverflow; 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   465
        }
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   466
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   467
		// Store the timestamp for later use. 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   468
    iTimestamp = aTimestamp.Int64(); 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   469
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   470
    iNonprocessedDataInBuffer = ETrue; 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   471
    ConsumeBuffer(); 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   472
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   473
    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::SendThisBuffer() <-")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   474
    return KErrNone; 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   475
    }
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   476
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   477
// ---------------------------------------------------------------------------
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   478
// From class CActive.
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   479
// Cancellation. 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   480
// ---------------------------------------------------------------------------
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   481
//
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   482
void CBTAudioStreamSender::DoCancel()
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   483
    {
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   484
    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::DoCancel() ->")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   485
    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::DoCancel() <-")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   486
    }
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   487
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   488
inline void CBTAudioStreamSender::ConsumeBuffer()
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   489
    {
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   490
    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::ConsumeBuffer() ->")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   491
    if (!IsActive())
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   492
        {    
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   493
        BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::ConsumeBuffer() ok to send")));				
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   494
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   495
        TInt spaceLeftInSendPacket = AddBufferToSendPacket(*iBuffer); 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   496
				iAdjustedTimestamp = iTimestamp;  // take a copy, because we want to keep the original timestamp. 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   497
        if(spaceLeftInSendPacket >= 0) 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   498
            {
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   499
            iNonprocessedDataInBuffer = EFalse; // This indicates that there's no need to call this method after sending. 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   500
            }
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   501
        ProceedToPacketSending(); 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   502
        }
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   503
    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::ConsumeBuffer() <-")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   504
    }
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   505
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   506
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   507
inline void CBTAudioStreamSender::ProceedToPacketSending()
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   508
{
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   509
    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::ProceedToPacketSending() ->")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   510
    iStreamerState = ESending; 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   511
    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTSTATE, FLOG(_L("[BTAudioStreamer]\t State changed to: ESending")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   512
    TRequestStatus *status = &iStatus;
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   513
    iStatus = KRequestPending;
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   514
    iThread.RequestComplete(status, KErrNone);
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   515
    SetActive();
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   516
    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::ProceedToPacketSending() <-")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   517
}
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   518
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   519
inline void CBTAudioStreamSender::SwitchToNewSendPacket()
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   520
    {
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   521
    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::SwitchToNewSendPacket() ->")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   522
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   523
		// Make the iCurrentSendPacket point to the spare packet opened when the frame length change came. 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   524
    RRtpSendPacket* oldSendPacket; 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   525
    oldSendPacket = iCurrentSendPacket; 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   526
    iCurrentSendPacket = iSpareSendPacket; 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   527
		iSpareSendPacket = oldSendPacket; 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   528
		
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   529
    // The previously used send packet (which has now become the spare send packet) can be closed. 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   530
		oldSendPacket->Close(); 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   531
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   532
		// The rest of the initializations: 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   533
    InitSender(*iCurrentSendPacket, iPayloadDesC, iTargetBitrate); 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   534
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   535
		iChangingFrameLength = EFalse; 
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   536
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   537
    BT_AUDIO_STREAMER_TRACE_OPT( KPRINTFTRACE, FLOG(_L("[BTAudioStreamer]\t CBTAudioStreamSender::SwitchToNewSendPacket() <-")));
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   538
	  }