multimediacommsengine/mmceshared/inc/mcecomavccodec.h
changeset 0 1bce908db942
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommsengine/mmceshared/inc/mcecomavccodec.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,239 @@
+/*
+* Copyright (c) 2006 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 MCECOMAVCCODEC_H
+#define MCECOMAVCCODEC_H
+
+//  INCLUDES
+#include <mceavccodec.h>
+#include "mcecomvideocodec.h"
+#include "mcedefs.h"
+
+const TReal KMceAvcDefaultFrameRate = 15;
+const TInt  KMceAvcDefaultFrameSize = 10000;
+const TInt  KMceAvcDefaultAllowedBitrate = KMceAvcCodecProfileIdBaseline | 
+	                                       KMceAvcCodecProfileIopConstraintSet | 
+	                                       KMceAvcBitrateLevel1;
+
+const TInt KMceAvcAllowedBitrateRecommendedHigh = KMceAvcCodecProfileIdBaseline | 
+	                                              KMceAvcCodecProfileIopConstraintSet | 
+	                                              KMceAvcBitrateLevel1b;
+	                                   
+const TInt KMceAvcLevel1BitrateBps = 64000;
+const TInt KMceAvcLevel1bBitrateBps = 128000;
+const TInt KMceAvcLevel11BitrateBps = 192000;
+const TInt KMceAvcLevel12BitrateBps = 384000;
+const TInt KMceAvcLevel13BitrateBps = 768000;
+const TInt KMceAvcLevel2BitrateBps = 2000000;
+
+const TUint KMceAvcDefaultFrameHeight = 176;
+const TUint KMceAvcDefaultFrameWidth = 144;
+
+
+// CLASS DECLARATION
+/**
+*  Container class for the codec information.
+*
+*  @lib 
+*/
+class CMceComAvcCodec : public CMceComVideoCodec
+    {
+public:  // Constructors and destructor
+
+    /**
+    * Two-phased constructor.
+    * @param aSdpName sdp name
+    */
+    static CMceComAvcCodec* NewL( TBuf8<KMceMaxSdpNameLength> aSdpName );
+    
+    /**
+    * Two-phased constructor.
+    * @param aSdpName sdp name
+    */
+    static CMceComAvcCodec* NewLC( TBuf8<KMceMaxSdpNameLength> aSdpName );
+    
+    /**
+    * Destructor.
+    */
+    ~CMceComAvcCodec();
+
+public: // from CMceComCodec
+
+    /**
+    * Sets bitrate used with codec for encoding.
+    * @param aBitrate bitrate value for encoding
+    * @return KErrNotSupported if codec doesn't support bitrate
+    *         value issued
+    */
+    TInt SetBitrate( TUint aBitrate );
+    
+    /**
+    * Sets bitrates allowed with codec.
+    * @param aBitrates allowed bitrate values
+    * @return KErrNotSupported if codec doesn't support bitrate
+    *         values issued
+    */
+    TInt SetAllowedBitrates( TUint aBitrates );
+    
+    /**
+    * Returns max bit rate
+    * @return max bit rate
+    */
+    TUint GetMaxBitRate();
+    
+    /**
+    * Sets maximum bitrate of the codec.
+    * @param aMaxBitrate value of maximum bitrate used for encoding
+    * @return KErrNotSupported if codec doesn't support bitrate
+    *         values issued
+    */
+    TInt SetMaxBitrate( TUint aMaxBitrate );
+    
+    /**
+    * Resolve allowed bitrates based on given bitrate value.
+    * @param aBitrate
+    * @param aAllowedBitrates, on return contains allowed bitrates
+    * @return error code
+    */
+    TInt ResolveAllowedBitrates( TUint aBitrate, TUint& aAllowedBitrates );
+    
+    /**
+    * Return ETrue, if this codec decodes rtpmap value
+    * @param aRtpmapValue rtp map
+    * @param aFmtpValue fmtp
+    * @param aIsStrictMatch, EFalse if matching is less strict
+    * @return ETrue, if this codec decodes rtpmap value
+    */
+    TBool Decodes( const TDesC8& aRtpmapValue, 
+                   const TDesC8& aFmtpValue,
+                   TBool aIsStrictMatch = ETrue );
+
+#ifdef MCE_COMMON_SERVER_SIDE
+
+    /**
+    * Used for storing fmtp proposal but the value is not set as official
+    * fmtp of the codec. Pre-check for fmtp validity
+    * @param aFmtpProposal
+    * @return ETrue if fmtp is valid
+    */
+    TBool SetFmtpProposalL( const TDesC8& aFmtpProposal );
+
+    /**
+    * Set fmtp
+    * @param aReset if ETrue reset fmtp, EFalse append
+    */
+    void SetFmtpFromIncomingSdpL( const TDesC8& aFmtpAttribute, 
+                                  TBool aRoleAnswerer,
+                                  TBool aReset = KMceCodecFmtpReset );
+    
+    /**
+    * Create fmtp for outgoing sdp
+    * @return fmtp, ownership is transferred
+    */
+    HBufC8* FtmpForOutgoingSdpLC();
+
+private:
+    
+    /**
+    * Removed defined parameter from input parameter and returns it
+    * @return stripped parameter if found, ownership is transferred
+    */
+    HBufC8* StripFmtpParameterL( TPtr8& aInputFmtp, const TDesC8& aStrippedParameter );
+    
+    /**
+    * Adds parameter into fmtp. Also separators are added if needed.
+    * @return fmtp containing input fmtp and addded parameter, ownership is transferred
+    */
+    HBufC8* AddFmtpParameterL( const TDesC8& aInputFmtp, 
+                               const TDesC8& aAddedParameter, 
+                               const TDesC8& aAddedParameterVal );
+            
+#endif
+    
+public: // serialization etc
+
+    /**
+    * Clones
+    * @return clone
+    */
+    CMceComVideoCodec* CloneL();
+
+private:
+
+    /**
+    * C++ default constructor.
+    */
+    CMceComAvcCodec();
+
+    /**
+    * By default Symbian 2nd phase constructor is private.
+    */
+    void ConstructL( TBuf8<KMceMaxSdpNameLength> aSdpName);
+
+    /**
+     * second-phase copy constructor
+     */
+    void ConstructL( CMceComAvcCodec& aCodec );
+    
+    /**
+    * Profile-level-id value from fmtp
+    */
+    TPtrC8 ParseProfileLevelId( const TDesC8& aFmtpValue );
+    
+    /**
+    * Packetization-mode value from fmtp
+    */
+    TPtrC8 ParsePacketizationMode( const TDesC8& aFmtpValue );
+    
+    /**
+    * Profile-level value part from fmtp
+    */
+    TPtrC8 ParseProfileLevelIdValPart( const TDesC8& aFmtpValue,
+                                       TInt aValPartOffset,
+                                       TInt aValPartLen,
+                                       const TDesC8& aDefaultVal );
+    
+    /**
+    * Replace profile level value part of fmtp attribute.
+    */
+    TInt ReplaceProfileLevelIdValuePart( TDes8& aModifiedFmtp, 
+                                         const TDesC8& aReplacement,
+                                         TInt aValPartOffset );
+    
+    /**
+    * Get value part of certain fmtp attribute.
+    */
+    TPtrC8 GetFmtpAttributeValuePart( const TDesC8& aFmtpValue,
+                                      const TDesC8& aFmtpAttributeName, 
+                                      TInt aValLen, 
+                                      const TDesC8& aDefaultVal );
+
+ public:
+ 
+    TUint8 iPacketizationMode;
+    
+    TUint8 iAllowedPacketizationModes;   
+            
+    };
+
+
+#endif      // MCECOMAVCCODEC_H
+
+// End of File
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