--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommsengine/mmcesrv/mmcemediamanager/inc/mceaudiosdpcodec.h Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,174 @@
+/*
+* Copyright (c) 2005 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:
+*
+*/
+
+
+
+
+#ifndef CMCEAUDIOSDPCODEC_H
+#define CMCEAUDIOSDPCODEC_H
+
+#include "mcemediasdpcodec.h"
+
+class CMceComAudioStream;
+class CMceComAudioCodec;
+
+
+#define MCE_SDP_STRING_AUDIOL()\
+ SdpCodecStringPool::StringPoolL().StringF( \
+ SdpCodecStringConstants::EMediaAudio,\
+ SdpCodecStringPool::StringTableL() )
+
+/**
+ *
+ *
+ * @lib
+ */
+class CMceAudioSdpCodec: public CMceMediaSdpCodec
+ {
+
+ public://constructor and destructor
+
+ /**
+ * Constructor
+ */
+ static CMceAudioSdpCodec* NewL();
+
+ /**
+ * Destructor
+ */
+ ~CMceAudioSdpCodec();
+
+
+ public: //from CMceSdpCodec
+
+ /**
+ * Returns ETrue, if media is encoded by this codec
+ * @return ETrue, if media is encoded by this codec
+ */
+ TBool Encodes( const CMceComMediaStream& aStream ) const;
+
+
+ public: //from CMceMediaSdpCodec
+
+
+ /**
+ * Returns codecs
+ * @param aStream media stream
+ * @param return codecs
+ * @leave if stream type does not macth codecs
+ */
+ const RPointerArray<CMceComCodec>& CodecsL( CMceComMediaStream& aStream ) const;
+
+ /**
+ * Encodes rtpmap -attribute
+ * @param aCodec codec encoded to rtpmap
+ * @leave system wide error
+ */
+ CSdpFmtAttributeField* EncodeRtpmapAttributeLC( CMceComCodec& aCodec ) const;
+
+ /**
+ * Encodes media related attributes
+ * @param aCodec the codec
+ * @param aMediaLine media line
+ * @param aRtpmap rtpmap attribute
+ * @leave system wide error
+ */
+ void EncodeMediaAttributesL( CMceComCodec& aCodec,
+ CSdpMediaField& aMediaLine,
+ CSdpFmtAttributeField& aRtpmap ) const;
+
+ /**
+ * Decodes media related attributes
+ * @param aMediaLine media line
+ * @param aCodec the codec
+ * @leave system wide error
+ */
+ void DecodeMediaAttributesL( CSdpMediaField& aMediaLine,
+ CMceComCodec& aCodec,
+ CSdpFmtAttributeField& aRtpmap ) const;
+
+ /**
+ * Creates media stream based on sdp type
+ * @param aType the sdp type sendrecv, sendonly or receive only
+ * @return media stream
+ * @leave system wide error
+ */
+ CMceComMediaStream* CreateStreamLC( TInt aType ) const;
+
+ /**
+ * Updates media based on received offer
+ * @param aStream media stream
+ * @param aDirection the direction
+ * @leave system wide error
+ */
+ void UpdateStreamL( CMceComMediaStream& aStream, TInt aDirection ) const;
+
+ /**
+ * Creates codec based on rtpmap line
+ * @param aRtpmap rtpmap line
+ * @return codec or NULL, if not supported
+ * @leave system wide error
+ */
+ CMceComCodec* CreateCodecLC( CSdpFmtAttributeField& aRtpmap ) const;
+
+ /**
+ * Creates codec based on payload type
+ * @param aPayload payload
+ * @param aMediaLine media line
+ * @return codec or NULL, if not supported
+ * @leave system wide error
+ */
+ CMceComCodec* CreateCodecLC( TUint aPayload, CSdpMediaField& aMediaLine ) const;
+
+ /**
+ * Decodes session level media attributes
+ * @param aStream media stream
+ * @param aSdpDocument sdp document
+ * @return codec or NULL, if not supported
+ * @leave system wide error
+ */
+ void DecodeSessionMediaAttributesL( CMceComMediaStream& aStream,
+ CSdpDocument& aSdpDocument ) const;
+
+ private:
+
+
+ /**
+ * C++ Constructor
+ * @param aMedia media
+ */
+ CMceAudioSdpCodec( RStringF aMedia );
+
+ /**
+ * Creates uplink audio stream with mic and rtp sink
+ * @return uplink audio stream
+ */
+ CMceComAudioStream* CreateUplinkStreamL() const;
+
+ /**
+ * Creates downlink audio stream with rtp source and speaker
+ * @return downlink audio stream
+ */
+ CMceComAudioStream* CreateDownlinkStreamL() const;
+
+
+ };
+
+
+
+#endif //CMCEAUDIOSDPCODEC_H
+