author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 17 Dec 2009 08:44:37 +0200 | |
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permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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#ifndef MCEVIDEOCODEC_H |
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#define MCEVIDEOCODEC_H |
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// INCLUDES |
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#include <e32base.h> |
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#include "mcecodec.h" |
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#include "mcedefs.h" |
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// FORWARD DECLARATIONS |
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class CMceComVideoCodec; |
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class TMceVideoCodecFactory; |
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class TCCMRVideoCodingOptions; |
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// CONSTANTS |
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const TMceCodecType KMceVideoCodec = 2; |
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// CLASS DECLARATION |
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|
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/** |
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* Base class for video codecs. |
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* |
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* It defines setters and getters for generic video codec attributes. |
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* These attributes are used in single video stream and they |
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* are negotiated with remote terminal. |
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* |
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* @lib mceclient.lib |
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*/ |
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class CMceVideoCodec : public CMceCodec |
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{ |
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public: // Constructors and destructor |
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/** |
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* Destructor. |
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*/ |
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virtual ~CMceVideoCodec(); |
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public: // New functions |
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/** |
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* Clones the codec. |
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* @return cloned codec; ownership is transferred |
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*/ |
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virtual CMceVideoCodec* CloneL() const = 0; |
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/** |
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* Sets maximum bitrate of the codec. |
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* @param aMaxBitrate value of maximum bitrate used for encoding |
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* @leave KErrNotSupported if codec doesn't support frame sizes issued |
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*/ |
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virtual void SetMaxBitrateL( TUint aMaxBitrate ) = 0; |
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/** |
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* Sets resolutions allowed with the codec. |
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* @param aResolutions bitfield of allowed resolutions |
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* @leave KErrNotSupported if codec doesn't support resolutions issued |
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*/ |
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virtual void SetAllowedResolutionsL( TUint aResolutions ) = 0; |
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/** |
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* Sets resolution of the video. |
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* @param aResolution resolution of the video in pixels |
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* @leave KErrNotSupported if codec doesn't support resolution issued |
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*/ |
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virtual void SetResolutionL( TSize aResolution ) = 0; |
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/** |
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* Sets frame rates allowed with the codec. |
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* @param aFrameRates allowed frame rate values as a bitfield |
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* @leave KErrNotSupported if codec doesn't support frame rates issued |
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*/ |
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virtual void SetAllowedFrameRatesL( TUint aFrameRates ) = 0; |
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/** |
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* Sets frame rate used with the codec for encoding. |
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* @param aFrameRate frame rate for encoding |
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* @leave KErrNotSupported if codec doesn't support frame rate value |
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* issued |
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*/ |
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virtual void SetFrameRateL( TReal aFrameRate ) = 0; |
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/** |
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* Sets preferred encoding device for uplink stream and preferred decoding |
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* device for downlink stream. |
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* @param aEncodingDecodingDevice |
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* @leave KErrNotSupported if setting preferred device is not possible |
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*/ |
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virtual void SetPreferredEncodingDecodingDeviceL( |
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TUid aEncodingDecodingDevice ) = 0; |
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/** |
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* Set config key (sprop-parameter-sets) |
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* @param aConfigKey, config key as Base64 encoded |
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* @leave KErrNotSupported if setting config key is not possible |
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*/ |
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virtual void SetConfigKeyL( const TDesC8& aConfigKey ) = 0; |
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public: // Getters |
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/** |
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* Gets maximum bit rate currently allowed |
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* @return maximum bit rate |
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*/ |
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IMPORT_C TUint MaxBitRate() const; |
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/** |
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* Gets currently allowed resolutions as a bitfield |
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* @return currently allowed resolutions as a bitfield |
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*/ |
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IMPORT_C TUint AllowedResolutions() const; |
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/** |
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* Gets current resolution |
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* @return current resolution |
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*/ |
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IMPORT_C TSize Resolution() const; |
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/** |
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* Gets frame rates currently allowed for encoding and decoding. |
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* @return allowed frame rate values as a bitfield |
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*/ |
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IMPORT_C TUint AllowedFrameRates() const; |
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/** |
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* Gets frame rate currently used for encoding and decoding. |
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* @return current frame rate value |
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*/ |
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IMPORT_C TReal FrameRate() const; |
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/** |
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* Get config key (sprop-parameter-sets) |
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* @return config key as Base64 encoded or NULL, ownership |
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* is transferred. |
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*/ |
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IMPORT_C HBufC8* ConfigKeyL() const; |
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protected: // New functions |
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/** |
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* C++ default constructor. |
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*/ |
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CMceVideoCodec(); |
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private: // Reserved for future use |
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TAny* iReserved; |
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public: // stub data |
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TReal iFrameRate; |
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TUint iMaxBitRate; |
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TUint iAllowedResolutions; |
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TInt iResolutionWidth; |
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TInt iResolutionHeight; |
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TUint iAllowedFrameRates; |
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TUint iClockRate; |
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HBufC8* iConfigKey; |
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TUid iEncodingDecodingDevice; |
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}; |
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#endif |
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// End of File |