Symaptic: os/mm/mmlibs/mmfw/tsrc/mmfunittest/VCLNT/TS_VideoOutput/MmfVideoOutput.h@bde4ae8d615e

     1 // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    16 #ifndef __MMF_VIDEOOUTPUT_H__

    17 #define __MMF_VIDEOOUTPUT_H__

    19 // Standard EPOC32 includes required by this header file

    20 #include <e32base.h>

    21 #include <e32std.h>

    23 #include <e32hal.h>

    24 #include <e32svr.h>

    26 // Public Media Server includes

    27 #include <mmf/server/mmfdatasink.h>

    28 #include <mmf/server/mmfdatasource.h>

    29 #include <mmf/server/mmfdatapath.h>

    30 #include <mmf/server/mmfdatasourcesink.hrh>

    32 #include <mmf/server/mmfcodec.h>

    33 #include <mmf/server/mmfdatabuffer.h>

    34 #include <mmf/common/mmfpaniccodes.h>

    36 #include "mmfVideoOutputInterfaceUIDs.hrh"

    37 #ifdef SYMBIAN_ENABLE_SPLIT_HEADERS

    38 #include <mmf/common/mmfhelper.h>

    39 #endif

    41 const TUint KVideoOutputDefaultFrameSize = 0x1000;

    42 const TUid KUidMmfVideoOutput	= {KMmfUidVideoOutputInterface};

    45 void Panic(TInt aPanicCode);

    47 class MMMFVideoOutput : public MDataSink

    48 /*

    49 Interface class to allow dynamic linkage to CMMFVideoOutput.

    50 */

    51 	{

    52 public:

    53 	//factory function

    54 	inline static MMMFVideoOutput* NewVideoOutputL(TUid aImplementationUid, const TDesC8& aInitData);

    55 	//interface

    56 protected:

    57 	//constructor

    58 	MMMFVideoOutput() : MDataSink(KUidMmfVideoOutput) {}

    59 	};

    61 inline MMMFVideoOutput* MMMFVideoOutput::NewVideoOutputL( TUid aImplementationUid,  const TDesC8& aInitData )

    62 	{

    63 	//make sure the cast will be ok by checking the uid is what we expect

    64 //	__ASSERT_ALWAYS(aImplementationUid==KUidMmfVideoOutput, Panic(EMMFVideoOutputPanicBadUID));

    65 	MMMFVideoOutput* retPtr = STATIC_CAST(MMMFVideoOutput*, MDataSink::NewSinkL(aImplementationUid, aInitData));

    66 	return retPtr;

    67 	}

    69 class CHardwareCodec;

    71 class CMMFVideoOutput : public CBase, public MMMFVideoOutput

    72 /**

    73 The interface into DevSound

    74 **/

    75 	{

    76 public:

    77 	static MDataSink* NewSinkL() ;

    78 	virtual ~CMMFVideoOutput();

    80 	//MDataSink mixin implementations

    81 	virtual TFourCC SinkDataTypeCode(TMediaId /*aMediaId*/); //used by data path MDataSource/Sink for codec matching

    82 	virtual void EmptyBufferL(CMMFBuffer* aBuffer, MDataSource* aSupplier, TMediaId /*aMediaId*/);//called by a MDataSource to empty a buffer

    83 	virtual void BufferFilledL(CMMFBuffer* aBuffer); //called by MDataSource to pass back full buffer to the sink

    84 	virtual TBool CanCreateSinkBuffer();

    85 	virtual CMMFBuffer* CreateSinkBufferL(TMediaId /*aMediaId*/, TBool &aReference);

    86 	virtual TInt SinkThreadLogon(MAsyncEventHandler& aEventHandler);

    87 	virtual void SinkThreadLogoff();

    88 	virtual void SinkPrimeL();

    89 	virtual void SinkPauseL();

    90 	virtual void SinkPlayL();

    91 	virtual void SinkStopL();

    92 	virtual void SetSinkPrioritySettings(const TMMFPrioritySettings& aPrioritySettings);

    93 	TInt State();

    94 	virtual void NegotiateL(MDataSource& aSource);

    97 protected:

    98 	virtual void ConstructSinkL( const TDesC8& aInitData ) ;

   100 private:

   101 	inline CMMFVideoOutput() {}

   103 private:

   105 	MAsyncEventHandler* iEventHandler;

   107 	CMMFDataBuffer* iLastVideoBuffer;

   108 	CMMFDataBuffer* iVideoBufferCopy;

   110 	enum TCodec

   111 		{

   112 		EUseARMCodec=0,

   113 		EUseHWCodec

   114 		};

   116 	enum TState

   117 		{

   118 		EIdle=0,

   119 		EDevSoundReady,

   120 		EMMFDevSoundFirstBufferSent,

   121 		EPlaying,

   122 		EPaused,

   123 		EBufferEmpty

   124 		};

   126 	enum TError

   127 		{

   128 		ECantCreateBuffer,

   129 		EEmptyBuffer,

   130 		EDevSoundNotLoaded,

   131 		ERecordNotSupported,

   132 		EDevSoundError,

   133 		EUnknown

   134 		};

   136 	MDataSource* iSupplier;

   137 	TState iState;

   138 	CHardwareCodec* iHWCodec;

   140 	TBool iFirstBufferSent;

   141 	TBool iDevSoundLoaded;

   143 	TError iError;

   145 	TCodec iCodecSelect;

   146 	TMMFPrioritySettings iPrioritySettings;

   148 	TUint iSourceSampleRate;

   149 	TUint iSourceChannels;

   150 	TFourCC iSourceFourCC;

   151 	TBool iNeedsSWConversion;

   152 	CMMFChannelAndSampleRateConverterFactory* iChannelAndSampleRateConverterFactory;

   153 	CMMFChannelAndSampleRateConverter* iChannelAndSampleRateConverter;

   154 	CMMFDataBuffer* iConvertBuffer;

   155 	CMMFBuffer* iBufferToEmpty;

   156 	CMMFDataBuffer* iDevSoundBuffer;

   157 	TUint iDestinationSampleRate;

   158 	TUint iDestinationChannels;

   159 	};

   161 #endif

author	sl@SLION-WIN7.fritz.box
	Fri, 15 Jun 2012 03:10:57 +0200
changeset 0	bde4ae8d615e
permissions	-rw-r--r--