diff -r 000000000000 -r 1bce908db942 ipappsrv_plat/transcoder_api/inc/mmcctranscoder.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ipappsrv_plat/transcoder_api/inc/mmcctranscoder.h Tue Feb 02 01:04:58 2010 +0200 @@ -0,0 +1,152 @@ +/* +* Copyright (c) 2007 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: Plugin interface to be implemented in order to get transcoding +* functionality +* +*/ + + + + +#ifndef MCCTRANSCODER_H +#define MCCTRANSCODER_H + +// INCLUDES +#include +#include +#include + +// CLASS DECLARATION +class CMccTranscoderImpl; + +// CONSTS + +// Plugin Interface UID +#define KMmfUidPluginInterfaceMccTranscoder 0x10282898 + +/** +* Class for setting up codec values for transcoding. +*/ +class TMccTranscoderCodecInfo + { + public: + TUint32 iBitrate; + TReal iFramerate; + TUint32 iVideoWidth; + TUint32 iVideoHeight; + TUint32 iSamplingFreq; + TBuf8<256> iMimeType; + TUid iFourCC; + TUint32 iReserved1; + TUint32 iReserved2; + }; + +/** +* Class for setting up transcoding. +*/ +class TMccTranscodeFileMsg + { + public: + + TFileName iSourceFile; + + TFileName iDesFile; + + TUint32 iQuality; + + TMccTranscoderCodecInfo iVideoCodec; + + TMccTranscoderCodecInfo iAudioCodec; + }; + +typedef TPckgBuf TMccTranscodeFileMsgBuffer; + + +/** +* Observer interface for clients to receive events from transcoder. +*/ +class MMccTranscoderObserver + { + public: + + /** + * Callback function to receive transcoder events + * @param aEvent Received transcoder events + */ + virtual void MccTranscoderEventReceived( TMccEvent& aEvent ) = 0; + }; + +/** +* MCC subsystem transcoder interface. Class is used for transcoding audio and video +* files from one codec to another. Transcoding can be also done with old codec in order +* to change bitrate. +*/ +class CMccTranscoder : public CBase + { + public: // Constructors and destructor + /** + * Two-phased constructor. + */ + static CMccTranscoder* NewL(); + + /** + * Destructor. + */ + virtual ~CMccTranscoder(); + + public: // New functions + + /** + * Registers observer for transcoding events. + * @param aObserver observer for transcoding events. + */ + virtual void RegisterEventObserver( MMccTranscoderObserver& aObserver ); + + /** + * Unregisters observer for transcoding events. + */ + virtual void UnregisterEventObserver(); + + /** + * Starts transcoding of media file. + * @param aSessionId session identifier for transcoding, updated on return + * @param aVal TMccTranscodeFileMsgBuffer containing transcode parameters + */ + virtual void TranscodeFileL( TUint32& aSessionId, const TDesC8& aVal ); + + /** + * Cancels transcoding of media file. + * @param aSessionId session identifier for transcoding + */ + virtual void CancelTranscodeFileL( TUint32 aSessionId ); + + private: + /** + * C++ default constructor. + */ + CMccTranscoder(); + + /** + * By default Symbian 2nd phase constructor is private. + * + * @param aSource Source of the data for the payload format plugin + */ + void ConstructL(); + + private: // data + CMccTranscoderImpl* iTranscoderImpl; + + }; + +#endif