--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mmsharing/mmshengine/src/musengclipsession.cpp Fri Jun 11 13:36:18 2010 +0300
@@ -0,0 +1,438 @@
+/*
+* Copyright (c) 2005 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:
+*
+*/
+
+
+// USER
+#include "musengclipsession.h"
+#include "musengmceoutsession.h"
+#include "musenglivesession.h"
+#include "musengmceutils.h"
+#include "musenglogger.h"
+#include "musengclipvideoplayer.h"
+
+// SYSTEM
+#include <lcsessionobserver.h>
+#include <mcemanager.h>
+#include <mcesession.h>
+#include <mcestreambundle.h>
+#include <mcefilesource.h>
+#include <mcemediastream.h>
+#include <mcevideostream.h>
+#include <mceaudiostream.h>
+#include <mcertpsink.h>
+#include <mcedisplaysink.h>
+#include <mcespeakersink.h>
+#include <mceamrcodec.h>
+#include <mcevideocodec.h>
+#include <DRMCommon.h>
+
+
+// CONSTANTS
+const TInt KMusEngAmrBitRate = KMceAmrNbBitrate475;
+const TUint KMusEngAllowedAmrBitrates = KMceAllowedAmrNbBitrate475;
+
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+CMusEngClipSession* CMusEngClipSession::NewL()
+ {
+ CMusEngClipSession* self = new( ELeave )CMusEngClipSession();
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+CMusEngClipSession::CMusEngClipSession()
+ : CMusEngMceOutSession()
+ {
+ }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngClipSession::ConstructL()
+ {
+ MUS_LOG( "mus: [ENGINE] -> CMusEngClipSession::ConstructL(...)" )
+
+ CMusEngMceOutSession::ConstructL();
+
+ iClipVideoPlayer = CMusEngClipVideoPlayer::NewL( *this, *this );
+
+ MUS_LOG( "mus: [ENGINE] <- CMusEngClipSession::ConstructL(...)" )
+ }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+CMusEngClipSession::~CMusEngClipSession()
+ {
+ MUS_LOG( "mus: [ENGINE] -> CMusEngClipSession::~CMusEngClipSession()" )
+
+ delete iClipVideoPlayer;
+
+ MUS_LOG( "mus: [ENGINE] <- CMusEngClipSession::~CMusEngClipSession()" )
+ }
+
+// -----------------------------------------------------------------------------
+// From MLcSession
+// -----------------------------------------------------------------------------
+//
+MLcVideoPlayer* CMusEngClipSession::LocalVideoPlayer()
+ {
+ return iClipVideoPlayer;
+ }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngClipSession::CompleteSessionStructureL(
+ CMceStreamBundle& aLocalBundle )
+ {
+ MUS_LOG( "mus: [ENGINE] -> CMusEngClipSession::CompleteSessionStructureL()" )
+
+ __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
+
+ // Create outgoing video stream
+ CMceVideoStream* videoStream = CMceVideoStream::NewLC();
+
+ CMceRtpSink* rtpsink = CMceRtpSink::NewLC();
+ videoStream->AddSinkL( rtpsink );
+ CleanupStack::Pop( rtpsink );
+
+ CMceFileSource* fileSource =
+ CMceFileSource::NewLC( *iManager, iClipVideoPlayer->LcFileName() );
+ fileSource->DisableL(); // Start session in pause mode.
+ videoStream->SetSourceL( fileSource );
+ CleanupStack::Pop( fileSource );
+
+ iSession->AddStreamL( videoStream );
+ CleanupStack::Pop( videoStream );
+
+ ConstructAudioStructureL( aLocalBundle );
+
+ iClipVideoPlayer->SetMceSession( iSession );
+
+ MUS_LOG( "mus: [ENGINE] <- CMusEngClipSession::CompleteSessionStructureL()" )
+ }
+
+// -----------------------------------------------------------------------------
+// Checks that that there is no need for transcoding before calling
+// overridden base class variant of this function.
+// -----------------------------------------------------------------------------
+//
+void CMusEngClipSession::EstablishSessionL()
+ {
+ MUS_LOG( "mus: [ENGINE] -> CMusEngClipSession::EstablishSessionL()" )
+
+ __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
+
+ const RPointerArray<CMceMediaStream>& streams = iSession->Streams();
+
+ if ( iVideoCodecList )
+ {
+ MUS_LOG_TDESC8( "iVideoCodecList: ", iVideoCodecList->Des() )
+ }
+
+ CMceVideoStream* videoStream = NULL;
+ for ( TInt i = 0; i < streams.Count(); ++i )
+ {
+ if ( streams[i]->State() == CMceMediaStream::ETranscodingRequired )
+ {
+ User::Leave( KErrNotSupported );
+ }
+ else if ( streams[i]->Type() == KMceVideo &&
+ !IsH264Supported() )
+ {
+ MUS_LOG( " -> video stream found!!!" )
+ videoStream = static_cast<CMceVideoStream*>( streams[i] );
+
+ //transcoding of H264 is not needed only if we know explicitly
+ //that the peer supports it (from OPTIONS response)
+
+ const RPointerArray<CMceVideoCodec>& codecs = videoStream->Codecs();
+ for ( TInt codecIndex = 0; codecIndex < codecs.Count(); ++codecIndex )
+ {
+ if ( codecs[codecIndex]->SdpName() == KMceSDPNameH264() )
+ {
+ User::Leave( KErrNotSupported );
+ }
+ }
+ }
+ }
+
+ CMusEngMceOutSession::EstablishSessionL();
+ // Now session state is right to adjust volume
+ SetSpeakerVolumeL( LcVolumeL() );
+
+ MUS_LOG( "mus: [ENGINE] <- CMusEngClipSession::EstablishSessionL()" )
+ }
+
+// -----------------------------------------------------------------------------
+// Implemented for MMceStreamObserver
+// -----------------------------------------------------------------------------
+//
+void CMusEngClipSession::StreamStateChanged( CMceMediaStream& aStream )
+ {
+ MUS_LOG( "mus: [ENGINE] -> CMusEngClipSession::StreamStateChanged()" )
+
+ if ( !iSession )
+ {
+ return;
+ }
+
+ DetermineBufferingPeriod( aStream );
+
+ CMusEngMceSession::StreamStateChanged( aStream );
+
+ MUS_LOG( "mus: [ENGINE] <- CMusEngClipSession::StreamStateChanged()" )
+ }
+
+// -----------------------------------------------------------------------------
+// Implemented for MMceStreamObserver
+// -----------------------------------------------------------------------------
+//
+void CMusEngClipSession::StreamStateChanged( CMceMediaStream& aStream,
+ CMceMediaSource& aSource )
+ {
+ MUS_LOG( "mus: [ENGINE] -> CMusEngClipSession::StreamStateChanged( src )" )
+
+ if ( !iSession )
+ {
+ return;
+ }
+
+ MUS_ENG_LOG_STREAM_STATE( aStream )
+
+ DetermineBufferingPeriod( aStream );
+
+ if ( iClipVideoPlayer->HasClipEnded() )
+ {
+ MUS_LOG( "mus: [ENGINE] Clip ended." )
+ InformObserverAboutPlayerStateChange( iClipVideoPlayer );
+ }
+ else
+ {
+ // Cannot handle, forward to the ancestor class
+ CMusEngMceSession::StreamStateChanged( aStream, aSource );
+ }
+
+ MUS_LOG( "mus: [ENGINE] <- CMusEngClipSession::StreamStateChanged( src )" )
+ }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMusEngClipSession::AddAmrCodecL( CMceAudioStream& aAudioStream )
+ {
+ MUS_LOG( "mus: [ENGINE] -> CMusEngClipSession::AddAmrCodecL" )
+
+ // Remove old codecs
+ while ( aAudioStream.Codecs().Count() > 0 )
+ {
+ aAudioStream.RemoveCodecL( *aAudioStream.Codecs()[0] );
+ }
+
+ // Create AMR codec instance
+ const RPointerArray<const CMceAudioCodec>& supportedCodecs =
+ iManager->SupportedAudioCodecs();
+
+ CMceAudioCodec* amr = NULL;
+
+ for ( TInt i = 0; i < supportedCodecs.Count(); ++i )
+ {
+ if ( supportedCodecs[i]->SdpName() == KMceSDPNameAMR() )
+ {
+ amr = supportedCodecs[i]->CloneL();
+ CleanupStack::PushL( amr );
+ User::LeaveIfError(
+ amr->SetAllowedBitrates( KMusEngAllowedAmrBitrates ) );
+ User::LeaveIfError( amr->SetBitrate( KMusEngAmrBitRate ) );
+ aAudioStream.AddCodecL( amr );
+ CleanupStack::Pop( amr );
+ break; // We must have only one codec
+ }
+ }
+
+ __ASSERT_ALWAYS( amr, User::Leave( KErrNotFound ) );
+
+ MUS_LOG( "mus: [ENGINE] <- CMusEngClipSession::AddAmrCodecL" )
+ }
+
+// -----------------------------------------------------------------------------
+// Create codec instance, H264 is used only if other end supports it for sure,
+// otherwise H263 is used.
+// -----------------------------------------------------------------------------
+//
+void CMusEngClipSession::AddVideoCodecL( CMceVideoStream& aVideoStream )
+ {
+ MUS_LOG( "mus: [ENGINE] -> CMusEngClipSession::AddVideoCodecL" )
+
+ // Remove old codecs
+
+ while ( aVideoStream.Codecs().Count() > 0 )
+ {
+ aVideoStream.RemoveCodecL( *aVideoStream.Codecs()[0] );
+ }
+
+ const RPointerArray< const CMceVideoCodec >& supportedCodecs =
+ iManager->SupportedVideoCodecs();
+
+ CMceVideoCodec* addedCodec = NULL;
+
+ TPtrC8 addedCodecName =
+ IsH264Supported() ? KMceSDPNameH264() : KMceSDPNameH2632000();
+
+ MUS_LOG_TDESC8( "mus: [ENGINE] adding codec : ", addedCodecName );
+
+ for ( TInt i = 0; i < supportedCodecs.Count(); ++i )
+ {
+ if ( supportedCodecs[i]->SdpName() == addedCodecName )
+ {
+ addedCodec = supportedCodecs[i]->CloneL();
+ CleanupStack::PushL( addedCodec );
+ aVideoStream.AddCodecL( addedCodec );
+ CleanupStack::Pop( addedCodec );
+ break; // We must have only one codec
+ }
+ }
+
+ __ASSERT_ALWAYS( addedCodec, User::Leave( KErrNotFound ) );
+
+ MUS_LOG( "mus: [ENGINE] <- CMusEngClipSession::AddVideoCodecL" )
+ }
+
+// -----------------------------------------------------------------------------
+// If member file contains audio, add appropriate amount of audio streams to
+// session structure
+// -----------------------------------------------------------------------------
+//
+void CMusEngClipSession::ConstructAudioStructureL(
+ CMceStreamBundle& aLocalBundle )
+ {
+ MUS_LOG( "mus: [ENGINE] -> CMusEngClipSession::ConstructAudioStructureL()" )
+
+ __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
+
+ // There is no clip audio present in operator variant
+ if ( iOperatorVariant )
+ {
+ MUS_LOG( " Operator variant, no audio constructed" )
+ MUS_LOG( "mus: [ENGINE] <- CMusEngClipSession::ConstructAudioStructureL()" )
+ return;
+ }
+
+ CMceFileSource* fileSource = MusEngMceUtils::GetFileSourceL( *iSession );
+
+ TInt audioElementCount = fileSource->MediaElementCountL( KMceAudio );
+
+ MUS_LOG1( "mus: [ENGINE] File contains %d audio elements",
+ audioElementCount )
+
+ for ( TInt i = 0; i < audioElementCount; ++i )
+ {
+ fileSource->SetCurrentMediaElementL( KMceAudio, i );
+
+ MUS_LOG1( "mus: [ENGINE] Current audio element set to : %d ", i )
+
+ // Set up an audio outstream.
+ CMceAudioStream* audioOut = CMceAudioStream::NewLC();
+
+ CMceRtpSink* rtpSink = CMceRtpSink::NewLC();
+ audioOut->AddSinkL( rtpSink );
+ CleanupStack::Pop( rtpSink );
+
+ audioOut->SetSourceL( fileSource );
+
+ iSession->AddStreamL( audioOut );
+ CleanupStack::Pop( audioOut );
+
+ MUS_LOG( "mus: [ENGINE] Audio outstream created" )
+
+ // Set up an audio stream to local speaker
+ audioOut = CMceAudioStream::NewLC();
+
+ MusEngMceUtils::AddSpeakerL( *audioOut );
+
+ audioOut->SetSourceL( fileSource );
+
+ iSession->AddStreamL( audioOut );
+ CleanupStack::Pop( audioOut );
+
+ MUS_LOG( "mus: [ENGINE] Local audio stream created" )
+
+ aLocalBundle.AddStreamL( *audioOut );
+
+ MUS_LOG( "mus: [ENGINE] Local audio stream added to bundle" )
+ }
+
+ MUS_LOG( "mus: [ENGINE] <- CMusEngClipSession::ConstructAudioStructureL()" )
+ }
+
+// -----------------------------------------------------------------------------
+// Calculates how long MCE buffers based on time between buffering and streaming
+// events.
+// -----------------------------------------------------------------------------
+//
+void CMusEngClipSession::DetermineBufferingPeriod( CMceMediaStream& aStream )
+ {
+ MUS_LOG( "mus: [ENGINE] -> CMusEngClipSession::DetermineBufferingPeriod()" )
+
+ // Determine file position modifier from time difference between buffering
+ // and streaming events
+ if ( aStream.State() == CMceMediaStream::EBuffering )
+ {
+ iBufferingStartedTime.HomeTime();
+ }
+
+ if ( aStream.State() == CMceMediaStream::EStreaming )
+ {
+ if ( iBufferingStartedTime.Int64() != 0 )
+ {
+ TTime currentTime;
+ currentTime.HomeTime();
+
+ TTimeIntervalMicroSeconds bufferingPeriod =
+ currentTime.MicroSecondsFrom( iBufferingStartedTime );
+
+ const TInt KMusMinimumBufferingPeriod( 500000 );
+ if ( bufferingPeriod > KMusMinimumBufferingPeriod )
+ {
+ iClipVideoPlayer->SetBufferingPeriod( bufferingPeriod );
+ }
+
+ MUS_LOG1( "mus: [ENGINE] current buffering period:%d",
+ bufferingPeriod.Int64() )
+
+ iBufferingStartedTime = 0;
+ }
+ }
+
+ MUS_LOG( "mus: [ENGINE] <- CMusEngClipSession::DetermineBufferingPeriod()" )
+ }
+
+// End of file