--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommscontroller/mmccvideosourcesink/src/mccvideosourcekeyretriever.cpp Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,334 @@
+/*
+* Copyright (c) 2006 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:
+*
+*/
+
+
+
+// INCLUDE FILES
+#include "mccvideosourcekeyretriever.h"
+#include "mccinternalcodecs.h"
+#include "mccinternaldef.h"
+#include "mccinternalevents.h"
+#include "mccvideosourceimpl.h"
+#include "mccvideosourcesinklogs.h"
+#include "mccperiodicrunner.h"
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CMccVideoSourceConfigKeyRetriever::NewLC
+// -----------------------------------------------------------------------------
+//
+CMccVideoSourceConfigKeyRetriever* CMccVideoSourceConfigKeyRetriever::NewLC(
+ MMccCameraHandler& aCameraHandler )
+ {
+ CMccVideoSourceConfigKeyRetriever* self =
+ new ( ELeave ) CMccVideoSourceConfigKeyRetriever( aCameraHandler );
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+// CMccVideoSourceConfigKeyRetriever::~CMccVideoSourceConfigKeyRetriever
+// -----------------------------------------------------------------------------
+//
+CMccVideoSourceConfigKeyRetriever::~CMccVideoSourceConfigKeyRetriever()
+ {
+ __V_SOURCESINK_CONTROLL(
+ "CMccVideoSourceConfigKeyRetriever::~CMccVideoSourceConfigKeyRetriever" )
+
+ delete iGuardTimer;
+
+ StopWaiting();
+
+ delete iWait;
+
+ delete iSource;
+
+ delete iBuffer;
+
+ __V_SOURCESINK_CONTROLL(
+ "CMccVideoSourceConfigKeyRetriever::~CMccVideoSourceConfigKeyRetriever, exit" )
+ }
+
+// -----------------------------------------------------------------------------
+// CMccVideoSourceConfigKeyRetriever::RetrieveL
+// -----------------------------------------------------------------------------
+//
+void CMccVideoSourceConfigKeyRetriever::RetrieveL(
+ const TMccCodecInfo& aVideoCodec,
+ TDes8& aConfigKey )
+ {
+ __V_SOURCESINK_CONTROLL( "CMccVideoSourceConfigKeyRetriever::RetrieveL" )
+
+ __ASSERT_ALWAYS( aVideoCodec.iSdpName.CompareF( KAVCSdpName ) == 0,
+ User::Leave( KErrNotSupported ) );
+
+ delete iBuffer;
+ iBuffer = NULL;
+ iBuffer = CMMFDataBuffer::NewL( aVideoCodec.iFrameSize );
+
+ delete iSource;
+ iSource = NULL;
+ iSource = CMccVideoSourceImpl::NewL( 0, NULL, ETrue );
+
+ iFailed = EFalse;
+
+ iSource->SourceThreadLogon( *this );
+ iSource->SetCameraHandler( iCameraHandler );
+ iSource->SetVideoCodecL( aVideoCodec );
+ iSource->SourcePrimeL( EFalse );
+
+ if ( !iSource->HasConfigKey() && !iFailed )
+ {
+ __V_SOURCESINK_CONTROLL( "Start waiting for key" )
+
+ // Start also guard timer to prevent possible eternal jam
+ StartGuardTimer();
+
+ iWait->Start();
+
+ __V_SOURCESINK_CONTROLL( "Waiting completed" )
+ StopGuardTimer();
+ }
+
+ __ASSERT_ALWAYS( !iFailed, User::Leave( KErrNotFound ) );
+
+ iSource->GetConfigKeyL( aVideoCodec, aConfigKey, EFalse );
+
+ __V_SOURCESINK_CONTROLL( "CMccVideoSourceConfigKeyRetriever::RetrieveL, exit" )
+ }
+
+// -----------------------------------------------------------------------------
+// CMccVideoSourceConfigKeyRetriever::SendEventToClient
+// -----------------------------------------------------------------------------
+//
+TInt CMccVideoSourceConfigKeyRetriever::SendEventToClient( const TMMFEvent& aEvent )
+ {
+ __V_SOURCESINK_CONTROLL( "CMccVideoSourceConfigKeyRetriever::SendEventToClient" )
+
+ TInt error( KErrNone );
+ TMccEvent* mccEventPtr = NULL;
+ if ( IS_MCC_EVENT( aEvent ) )
+ {
+ mccEventPtr =
+ reinterpret_cast<const TMccInternalEvent&>( aEvent ).iMccEvent;
+ }
+
+ if ( mccEventPtr )
+ {
+ TRAP( error, HandleEventL( *mccEventPtr ) );
+ if ( error != KErrNone )
+ {
+ HandleError();
+ }
+ }
+
+ __V_SOURCESINK_CONTROLL( "CMccVideoSourceConfigKeyRetriever::SendEventToClient, exit" )
+
+ return error;
+ }
+
+// -----------------------------------------------------------------------------
+// CMccVideoSourceConfigKeyRetriever::SinkDataTypeCode
+// -----------------------------------------------------------------------------
+//
+TFourCC CMccVideoSourceConfigKeyRetriever::SinkDataTypeCode( TMediaId /*aMediaId*/ )
+ {
+ return TFourCC( 0 );
+ }
+
+// -----------------------------------------------------------------------------
+// CMccVideoSourceConfigKeyRetriever::EmptyBufferL
+// -----------------------------------------------------------------------------
+//
+void CMccVideoSourceConfigKeyRetriever::EmptyBufferL(
+ CMMFBuffer* /*aBuffer*/, MDataSource* /*aSupplier*/, TMediaId /*aMediaId*/ )
+ {
+ }
+
+// -----------------------------------------------------------------------------
+// CMccVideoSourceConfigKeyRetriever::BufferFilledL
+// -----------------------------------------------------------------------------
+//
+void CMccVideoSourceConfigKeyRetriever::BufferFilledL( CMMFBuffer* /*aBuffer*/ )
+ {
+ __V_SOURCESINK_CONTROLL( "CMccVideoSourceConfigKeyRetriever::BufferFilledL" )
+
+ // First buffer was received from mediarecorder, config info should be now
+ // available.
+ StopWaiting();
+ }
+
+// -----------------------------------------------------------------------------
+// CMccVideoSourceConfigKeyRetriever::CanCreateSinkBuffer
+// -----------------------------------------------------------------------------
+//
+TBool CMccVideoSourceConfigKeyRetriever::CanCreateSinkBuffer()
+ {
+ return EFalse;
+ }
+
+// -----------------------------------------------------------------------------
+// CMccVideoSourceConfigKeyRetriever::CreateSinkBufferL
+// -----------------------------------------------------------------------------
+//
+CMMFBuffer* CMccVideoSourceConfigKeyRetriever::CreateSinkBufferL(
+ TMediaId /*aMediaId*/, TBool& /*aReference*/ )
+ {
+ return NULL;
+ }
+
+// -----------------------------------------------------------------------------
+// CMccVideoSourceConfigKeyRetriever::ConstructSinkL
+// -----------------------------------------------------------------------------
+//
+void CMccVideoSourceConfigKeyRetriever::ConstructSinkL( const TDesC8& /*aInitData*/ )
+ {
+ }
+
+
+// -----------------------------------------------------------------------------
+// CMccVideoSourceConfigKeyRetriever::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CMccVideoSourceConfigKeyRetriever::ConstructL()
+ {
+ __V_SOURCESINK_CONTROLL( "CMccVideoSourceConfigKeyRetriever::ConstructL" )
+
+ iWait = new ( ELeave ) CActiveSchedulerWait;
+
+ iGuardTimer = CMccPeriodicRunner::NewL();
+
+ __V_SOURCESINK_CONTROLL( "CMccVideoSourceConfigKeyRetriever::ConstructL, exit" )
+ }
+
+// -----------------------------------------------------------------------------
+// CMccVideoSourceConfigKeyRetriever::ConstructL
+// -----------------------------------------------------------------------------
+//
+CMccVideoSourceConfigKeyRetriever::CMccVideoSourceConfigKeyRetriever(
+ MMccCameraHandler& aCameraHandler ) :
+ MDataSink( KNullUid ),
+ iCameraHandler( aCameraHandler ),
+ iGuardTimerTimeout( KMccKeyRetrieveGuardTimeoutMicrosecs )
+ {
+ }
+
+// -----------------------------------------------------------------------------
+// CMccVideoSourceConfigKeyRetriever::HandleEventL
+// -----------------------------------------------------------------------------
+//
+void CMccVideoSourceConfigKeyRetriever::HandleEventL( TMccEvent& aEvent )
+ {
+ __V_SOURCESINK_CONTROLL( "CMccVideoSourceConfigKeyRetriever::HandleEventL" )
+
+ if ( aEvent.iEventType == KMccStreamError || aEvent.iErrorCode != KErrNone )
+ {
+ User::Leave( KErrNotReady );
+ }
+ else if ( aEvent.iEventType == KMccStreamPrepared )
+ {
+ __V_SOURCESINK_CONTROLL( "Prepared" )
+
+ // Start recording, first buffer received from mediarecorder
+ // should contain config info
+ iSource->FillBufferL( iBuffer, this, KUidMediaTypeVideo );
+ iSource->SourcePlayL();
+ }
+ else if ( aEvent.iEventType == KMccStreamStarted )
+ {
+ __V_SOURCESINK_CONTROLL( "Started" )
+ }
+ else
+ {
+ // NOP
+ }
+
+ __V_SOURCESINK_CONTROLL( "CMccVideoSourceConfigKeyRetriever::HandleEventL, exit" )
+ }
+
+// -----------------------------------------------------------------------------
+// CMccVideoSourceConfigKeyRetriever::HandleError
+// -----------------------------------------------------------------------------
+//
+void CMccVideoSourceConfigKeyRetriever::HandleError()
+ {
+ __V_SOURCESINK_CONTROLL( "CMccVideoSourceConfigKeyRetriever::HandleError" )
+
+ iFailed = ETrue;
+ StopWaiting();
+ }
+
+// -----------------------------------------------------------------------------
+// CMccVideoSourceConfigKeyRetriever::StopWaiting
+// -----------------------------------------------------------------------------
+//
+void CMccVideoSourceConfigKeyRetriever::StopWaiting()
+ {
+ if ( iWait && iWait->IsStarted() )
+ {
+ __V_SOURCESINK_CONTROLL( "CMccVideoSourceConfigKeyRetriever::StopWaiting" )
+ iWait->AsyncStop();
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// CMccVideoSourceConfigKeyRetriever::StartGuardTimer
+// -----------------------------------------------------------------------------
+//
+void CMccVideoSourceConfigKeyRetriever::StartGuardTimer()
+ {
+ __V_SOURCESINK_CONTROLL( "CMccVideoSourceConfigKeyRetriever::StartGuardTimer" )
+
+ iGuardTimer->Start(
+ iGuardTimerTimeout, TCallBack( GuardTimerExpired, this ) );
+ }
+
+// -----------------------------------------------------------------------------
+// CMccVideoSourceConfigKeyRetriever::StopGuardTimer
+// -----------------------------------------------------------------------------
+//
+void CMccVideoSourceConfigKeyRetriever::StopGuardTimer()
+ {
+ __V_SOURCESINK_CONTROLL( "CMccVideoSourceConfigKeyRetriever::StopGuardTimer" )
+
+ iGuardTimer->Stop();
+ }
+
+// -----------------------------------------------------------------------------
+// CMccVideoSourceConfigKeyRetriever::GuardTimerExpired
+// -----------------------------------------------------------------------------
+//
+TInt CMccVideoSourceConfigKeyRetriever::GuardTimerExpired( TAny* aObject )
+ {
+ __V_SOURCESINK_CONTROLL( "CMccVideoSourceConfigKeyRetriever::GuardTimerExpired" )
+
+ CMccVideoSourceConfigKeyRetriever* self =
+ static_cast<CMccVideoSourceConfigKeyRetriever*>( aObject );
+ if ( self )
+ {
+ self->StopWaiting();
+ }
+
+ __V_SOURCESINK_CONTROLL( "CMccVideoSourceConfigKeyRetriever::GuardTimerExpired, exit" )
+
+ return KErrNone;
+ }
+
+// End of file
+