1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/mm/mmlibs/mmfw/tsrc/mmfunittest/VCLNT/TS_VideoOutput/MmfVideoOutput.h Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,161 @@
1.4 +// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +//
1.18 +
1.19 +#ifndef __MMF_VIDEOOUTPUT_H__
1.20 +#define __MMF_VIDEOOUTPUT_H__
1.21 +
1.22 +// Standard EPOC32 includes required by this header file
1.23 +#include <e32base.h>
1.24 +#include <e32std.h>
1.25 +
1.26 +#include <e32hal.h>
1.27 +#include <e32svr.h>
1.28 +
1.29 +// Public Media Server includes
1.30 +#include <mmf/server/mmfdatasink.h>
1.31 +#include <mmf/server/mmfdatasource.h>
1.32 +#include <mmf/server/mmfdatapath.h>
1.33 +#include <mmf/server/mmfdatasourcesink.hrh>
1.34 +
1.35 +#include <mmf/server/mmfcodec.h>
1.36 +#include <mmf/server/mmfdatabuffer.h>
1.37 +#include <mmf/common/mmfpaniccodes.h>
1.38 +
1.39 +#include "mmfVideoOutputInterfaceUIDs.hrh"
1.40 +#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
1.41 +#include <mmf/common/mmfhelper.h>
1.42 +#endif
1.43 +
1.44 +const TUint KVideoOutputDefaultFrameSize = 0x1000;
1.45 +const TUid KUidMmfVideoOutput = {KMmfUidVideoOutputInterface};
1.46 +
1.47 +
1.48 +void Panic(TInt aPanicCode);
1.49 +
1.50 +class MMMFVideoOutput : public MDataSink
1.51 +/*
1.52 +Interface class to allow dynamic linkage to CMMFVideoOutput.
1.53 +*/
1.54 + {
1.55 +public:
1.56 + //factory function
1.57 + inline static MMMFVideoOutput* NewVideoOutputL(TUid aImplementationUid, const TDesC8& aInitData);
1.58 + //interface
1.59 +protected:
1.60 + //constructor
1.61 + MMMFVideoOutput() : MDataSink(KUidMmfVideoOutput) {}
1.62 + };
1.63 +
1.64 +inline MMMFVideoOutput* MMMFVideoOutput::NewVideoOutputL( TUid aImplementationUid, const TDesC8& aInitData )
1.65 + {
1.66 + //make sure the cast will be ok by checking the uid is what we expect
1.67 +// __ASSERT_ALWAYS(aImplementationUid==KUidMmfVideoOutput, Panic(EMMFVideoOutputPanicBadUID));
1.68 + MMMFVideoOutput* retPtr = STATIC_CAST(MMMFVideoOutput*, MDataSink::NewSinkL(aImplementationUid, aInitData));
1.69 + return retPtr;
1.70 + }
1.71 +
1.72 +class CHardwareCodec;
1.73 +
1.74 +class CMMFVideoOutput : public CBase, public MMMFVideoOutput
1.75 +/**
1.76 +The interface into DevSound
1.77 +**/
1.78 + {
1.79 +public:
1.80 + static MDataSink* NewSinkL() ;
1.81 + virtual ~CMMFVideoOutput();
1.82 +
1.83 + //MDataSink mixin implementations
1.84 + virtual TFourCC SinkDataTypeCode(TMediaId /*aMediaId*/); //used by data path MDataSource/Sink for codec matching
1.85 + virtual void EmptyBufferL(CMMFBuffer* aBuffer, MDataSource* aSupplier, TMediaId /*aMediaId*/);//called by a MDataSource to empty a buffer
1.86 + virtual void BufferFilledL(CMMFBuffer* aBuffer); //called by MDataSource to pass back full buffer to the sink
1.87 + virtual TBool CanCreateSinkBuffer();
1.88 + virtual CMMFBuffer* CreateSinkBufferL(TMediaId /*aMediaId*/, TBool &aReference);
1.89 + virtual TInt SinkThreadLogon(MAsyncEventHandler& aEventHandler);
1.90 + virtual void SinkThreadLogoff();
1.91 + virtual void SinkPrimeL();
1.92 + virtual void SinkPauseL();
1.93 + virtual void SinkPlayL();
1.94 + virtual void SinkStopL();
1.95 + virtual void SetSinkPrioritySettings(const TMMFPrioritySettings& aPrioritySettings);
1.96 + TInt State();
1.97 + virtual void NegotiateL(MDataSource& aSource);
1.98 +
1.99 +
1.100 +protected:
1.101 + virtual void ConstructSinkL( const TDesC8& aInitData ) ;
1.102 +
1.103 +private:
1.104 + inline CMMFVideoOutput() {}
1.105 +
1.106 +private:
1.107 +
1.108 + MAsyncEventHandler* iEventHandler;
1.109 +
1.110 + CMMFDataBuffer* iLastVideoBuffer;
1.111 + CMMFDataBuffer* iVideoBufferCopy;
1.112 +
1.113 + enum TCodec
1.114 + {
1.115 + EUseARMCodec=0,
1.116 + EUseHWCodec
1.117 + };
1.118 +
1.119 + enum TState
1.120 + {
1.121 + EIdle=0,
1.122 + EDevSoundReady,
1.123 + EMMFDevSoundFirstBufferSent,
1.124 + EPlaying,
1.125 + EPaused,
1.126 + EBufferEmpty
1.127 + };
1.128 +
1.129 + enum TError
1.130 + {
1.131 + ECantCreateBuffer,
1.132 + EEmptyBuffer,
1.133 + EDevSoundNotLoaded,
1.134 + ERecordNotSupported,
1.135 + EDevSoundError,
1.136 + EUnknown
1.137 + };
1.138 +
1.139 + MDataSource* iSupplier;
1.140 + TState iState;
1.141 + CHardwareCodec* iHWCodec;
1.142 +
1.143 + TBool iFirstBufferSent;
1.144 + TBool iDevSoundLoaded;
1.145 +
1.146 + TError iError;
1.147 +
1.148 + TCodec iCodecSelect;
1.149 + TMMFPrioritySettings iPrioritySettings;
1.150 +
1.151 + TUint iSourceSampleRate;
1.152 + TUint iSourceChannels;
1.153 + TFourCC iSourceFourCC;
1.154 + TBool iNeedsSWConversion;
1.155 + CMMFChannelAndSampleRateConverterFactory* iChannelAndSampleRateConverterFactory;
1.156 + CMMFChannelAndSampleRateConverter* iChannelAndSampleRateConverter;
1.157 + CMMFDataBuffer* iConvertBuffer;
1.158 + CMMFBuffer* iBufferToEmpty;
1.159 + CMMFDataBuffer* iDevSoundBuffer;
1.160 + TUint iDestinationSampleRate;
1.161 + TUint iDestinationChannels;
1.162 + };
1.163 +
1.164 +#endif