author | William Roberts <williamr@symbian.org> |
Fri, 11 Jun 2010 16:25:18 +0100 | |
branch | GCC_SURGE |
changeset 24 | c50373b4327b |
parent 0 | 1bce908db942 |
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 CMCEVIDEOSDPCODEC_H |
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#define CMCEVIDEOSDPCODEC_H |
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#include "mcemediasdpcodec.h" |
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class CMceComVideoCodec; |
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class CMceComVideoStream; |
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#define MCE_SDP_STRING_VIDEOL()\ |
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SdpCodecStringPool::StringPoolL().StringF( \ |
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SdpCodecStringConstants::EMediaVideo,\ |
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SdpCodecStringPool::StringTableL() ) |
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/** |
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* |
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* |
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* @lib |
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*/ |
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class CMceVideoSdpCodec : public CMceMediaSdpCodec |
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{ |
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public://constructor and destructor |
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/** |
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* Constructor |
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*/ |
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static CMceVideoSdpCodec* NewL(); |
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/** |
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* Destructor |
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*/ |
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~CMceVideoSdpCodec(); |
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public: //from CMceSdpCodec |
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/** |
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* Returns ETrue, if media is encoded by this codec |
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* @return ETrue, if media is encoded by this codec |
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*/ |
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TBool Encodes( const CMceComMediaStream& aStream ) const; |
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public: //from CMceMediaSdpCodec |
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/** |
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* Returns codecs |
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* @param aStream media stream |
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* @param return codecs |
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* @leave if stream type does not macth codecs |
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*/ |
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const RPointerArray<CMceComCodec>& CodecsL( CMceComMediaStream& aStream ) const; |
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/** |
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* Encodes rtpmap -attribute |
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* @param aCodec codec encoded to rtpmap |
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* @leave system wide error |
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*/ |
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CSdpFmtAttributeField* EncodeRtpmapAttributeLC( CMceComCodec& aCodec ) const; |
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/** |
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* Encodes media related attributes |
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* @param aCodec the codec |
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* @param aMediaLine media line |
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* @param aRtpmap rtpmap attribute |
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* @leave system wide error |
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*/ |
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void EncodeMediaAttributesL( CMceComCodec& aCodec, |
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CSdpMediaField& aMediaLine, |
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CSdpFmtAttributeField& aRtpmap ) const; |
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/** |
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* Decodes media related attributes |
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* @param aMediaLine media line |
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* @param aCodec the codec |
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* @leave system wide error |
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*/ |
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void DecodeMediaAttributesL( CSdpMediaField& aMediaLine, |
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CMceComCodec& aCodec, |
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CSdpFmtAttributeField& aRtpmap ) const; |
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/** |
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* Creates media stream based on sdp type |
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* @param aType the sdp type sendrecv, sendonly or receive only |
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* @return media stream |
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* @leave system wide error |
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*/ |
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CMceComMediaStream* CreateStreamLC( TInt aType ) const; |
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/** |
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* Updates media based on received offer |
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* @param aStream media stream |
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* @param aDirection the direction |
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* @leave system wide error |
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*/ |
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void UpdateStreamL( CMceComMediaStream& aStream, TInt aDirection ) const; |
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/** |
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* Creates codec based on rtpmap line |
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* @param aRtpmap rtpmap line |
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* @return codec or NULL, if not supported |
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* @leave system wide error |
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*/ |
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CMceComCodec* CreateCodecLC( CSdpFmtAttributeField& aRtpmap ) const; |
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/** |
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* Creates codec based on payload type |
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* @param aPayload payload |
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* @param aMediaLine media line |
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* @return codec or NULL, if not supported |
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* @leave system wide error |
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*/ |
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CMceComCodec* CreateCodecLC( TUint aPayload, CSdpMediaField& aMediaLine ) const; |
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/** |
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* Decodes session level media attributes |
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* @param aStream media stream |
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* @param aSdpDocument sdp document |
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* @return codec or NULL, if not supported |
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* @leave system wide error |
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*/ |
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void DecodeSessionMediaAttributesL( CMceComMediaStream& aStream, |
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CSdpDocument& aSdpDocument ) const; |
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private: |
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/** |
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* C++ Constructor |
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* @param aMedia media |
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*/ |
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CMceVideoSdpCodec( RStringF aMedia ); |
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/** |
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* 2nd phase constructor |
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*/ |
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void ConstructL(); |
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/** |
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* Encodes framerate attribute |
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* @param aCodec the codec |
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* @param aMediaLine media line |
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* @param aRtpmap rtpmap attribute |
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* @leave system wide error |
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*/ |
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void EncodeFrameRateAttributeL( CMceComVideoCodec& aCodec, |
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CSdpMediaField& aMedia, |
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CSdpFmtAttributeField& aFmtpline ) const; |
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/** |
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* Encodes framesize attribute |
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* @param aCodec the codec |
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* @param aMediaLine media line |
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* @param aRtpmap rtpmap attribute |
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* @leave system wide error |
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*/ |
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void EncodeFrameSizeAttributeL( CMceComVideoCodec& aCodec, |
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CSdpMediaField& aMedia, |
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CSdpFmtAttributeField& aFmtpline ) const; |
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/** |
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* Creates uplink video stream with camera and rtp sink |
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* @return uplink video stream |
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*/ |
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CMceComVideoStream* CreateUplinkStreamL() const; |
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/** |
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* Creates downlink video stream with rtp source and display |
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* @return downlink video stream |
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*/ |
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CMceComVideoStream* CreateDownlinkStreamL() const; |
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private: |
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RStringF iFrameSizeAttr; |
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}; |
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#endif //CMCEVIDEOSDPCODEC_H |