sl@0: // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #ifndef __MMF_VIDEOOUTPUT_H__
sl@0: #define __MMF_VIDEOOUTPUT_H__
sl@0: 
sl@0: // Standard EPOC32 includes required by this header file
sl@0: #include <e32base.h>
sl@0: #include <e32std.h>
sl@0: 
sl@0: #include <e32hal.h>
sl@0: #include <e32svr.h>
sl@0: 
sl@0: // Public Media Server includes
sl@0: #include <mmf/server/mmfdatasink.h>
sl@0: #include <mmf/server/mmfdatasource.h>
sl@0: #include <mmf/server/mmfdatapath.h>
sl@0: #include <mmf/server/mmfdatasourcesink.hrh>
sl@0: 
sl@0: #include <mmf/server/mmfcodec.h>
sl@0: #include <mmf/server/mmfdatabuffer.h>
sl@0: #include <mmf/common/mmfpaniccodes.h>
sl@0: 
sl@0: #include "mmfVideoOutputInterfaceUIDs.hrh"
sl@0: #ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
sl@0: #include <mmf/common/mmfhelper.h>
sl@0: #endif
sl@0: 
sl@0: const TUint KVideoOutputDefaultFrameSize = 0x1000;
sl@0: const TUid KUidMmfVideoOutput	= {KMmfUidVideoOutputInterface};
sl@0: 
sl@0: 
sl@0: void Panic(TInt aPanicCode);
sl@0: 
sl@0: class MMMFVideoOutput : public MDataSink
sl@0: /*
sl@0: Interface class to allow dynamic linkage to CMMFVideoOutput.
sl@0: */
sl@0: 	{
sl@0: public:
sl@0: 	//factory function
sl@0: 	inline static MMMFVideoOutput* NewVideoOutputL(TUid aImplementationUid, const TDesC8& aInitData);
sl@0: 	//interface
sl@0: protected:
sl@0: 	//constructor
sl@0: 	MMMFVideoOutput() : MDataSink(KUidMmfVideoOutput) {}
sl@0: 	};
sl@0: 
sl@0: inline MMMFVideoOutput* MMMFVideoOutput::NewVideoOutputL( TUid aImplementationUid,  const TDesC8& aInitData )
sl@0: 	{
sl@0: 	//make sure the cast will be ok by checking the uid is what we expect
sl@0: //	__ASSERT_ALWAYS(aImplementationUid==KUidMmfVideoOutput, Panic(EMMFVideoOutputPanicBadUID));
sl@0: 	MMMFVideoOutput* retPtr = STATIC_CAST(MMMFVideoOutput*, MDataSink::NewSinkL(aImplementationUid, aInitData));
sl@0: 	return retPtr;
sl@0: 	}
sl@0: 
sl@0: class CHardwareCodec;
sl@0: 
sl@0: class CMMFVideoOutput : public CBase, public MMMFVideoOutput
sl@0: /**
sl@0: The interface into DevSound
sl@0: **/
sl@0: 	{
sl@0: public:
sl@0: 	static MDataSink* NewSinkL() ;
sl@0: 	virtual ~CMMFVideoOutput();
sl@0: 
sl@0: 	//MDataSink mixin implementations
sl@0: 	virtual TFourCC SinkDataTypeCode(TMediaId /*aMediaId*/); //used by data path MDataSource/Sink for codec matching
sl@0: 	virtual void EmptyBufferL(CMMFBuffer* aBuffer, MDataSource* aSupplier, TMediaId /*aMediaId*/);//called by a MDataSource to empty a buffer
sl@0: 	virtual void BufferFilledL(CMMFBuffer* aBuffer); //called by MDataSource to pass back full buffer to the sink
sl@0: 	virtual TBool CanCreateSinkBuffer();
sl@0: 	virtual CMMFBuffer* CreateSinkBufferL(TMediaId /*aMediaId*/, TBool &aReference);
sl@0: 	virtual TInt SinkThreadLogon(MAsyncEventHandler& aEventHandler);
sl@0: 	virtual void SinkThreadLogoff();
sl@0: 	virtual void SinkPrimeL();
sl@0: 	virtual void SinkPauseL();
sl@0: 	virtual void SinkPlayL();
sl@0: 	virtual void SinkStopL();
sl@0: 	virtual void SetSinkPrioritySettings(const TMMFPrioritySettings& aPrioritySettings);
sl@0: 	TInt State();
sl@0: 	virtual void NegotiateL(MDataSource& aSource);
sl@0: 
sl@0: 
sl@0: protected:
sl@0: 	virtual void ConstructSinkL( const TDesC8& aInitData ) ;
sl@0: 
sl@0: private:
sl@0: 	inline CMMFVideoOutput() {}
sl@0: 
sl@0: private:
sl@0: 
sl@0: 	MAsyncEventHandler* iEventHandler;
sl@0: 
sl@0: 	CMMFDataBuffer* iLastVideoBuffer;
sl@0: 	CMMFDataBuffer* iVideoBufferCopy;
sl@0: 
sl@0: 	enum TCodec
sl@0: 		{
sl@0: 		EUseARMCodec=0,
sl@0: 		EUseHWCodec
sl@0: 		};
sl@0: 
sl@0: 	enum TState
sl@0: 		{
sl@0: 		EIdle=0,
sl@0: 		EDevSoundReady,
sl@0: 		EMMFDevSoundFirstBufferSent,
sl@0: 		EPlaying,
sl@0: 		EPaused,
sl@0: 		EBufferEmpty
sl@0: 		};
sl@0: 
sl@0: 	enum TError
sl@0: 		{
sl@0: 		ECantCreateBuffer,
sl@0: 		EEmptyBuffer,
sl@0: 		EDevSoundNotLoaded,
sl@0: 		ERecordNotSupported,
sl@0: 		EDevSoundError,
sl@0: 		EUnknown
sl@0: 		};
sl@0: 
sl@0: 	MDataSource* iSupplier;
sl@0: 	TState iState;
sl@0: 	CHardwareCodec* iHWCodec;
sl@0: 
sl@0: 	TBool iFirstBufferSent;
sl@0: 	TBool iDevSoundLoaded;
sl@0: 
sl@0: 	TError iError;
sl@0: 
sl@0: 	TCodec iCodecSelect;
sl@0: 	TMMFPrioritySettings iPrioritySettings;
sl@0: 
sl@0: 	TUint iSourceSampleRate;
sl@0: 	TUint iSourceChannels;
sl@0: 	TFourCC iSourceFourCC;
sl@0: 	TBool iNeedsSWConversion;
sl@0: 	CMMFChannelAndSampleRateConverterFactory* iChannelAndSampleRateConverterFactory;
sl@0: 	CMMFChannelAndSampleRateConverter* iChannelAndSampleRateConverter;
sl@0: 	CMMFDataBuffer* iConvertBuffer;
sl@0: 	CMMFBuffer* iBufferToEmpty;
sl@0: 	CMMFDataBuffer* iDevSoundBuffer;
sl@0: 	TUint iDestinationSampleRate;
sl@0: 	TUint iDestinationChannels;
sl@0: 	};
sl@0: 
sl@0: #endif