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mmsharing/mmshengine/inc/musengmceutils.h
branchRCL_3
changeset 33 bc78a40cd63c
parent 32 73a1feb507fb
equal deleted inserted replaced
32:73a1feb507fb 33:bc78a40cd63c 
    22 #define MUSENGMCEUTILS_H
 
    22 #define MUSENGMCEUTILS_H
 
    23 
    23 
    24 
    24 
    25 #include <mcemediastream.h>
 
    25 #include <mcemediastream.h>
 
    26 #include <mcemediasink.h>
 
    26 #include <mcemediasink.h>
 
    27 #include <mcemediasource.h>
 
       
    28 
    27 
    29 
    28 
    30 class CMceSession;
 
    29 class CMceSession;
 
    31 class CMceDisplaySink;
 
    30 class CMceDisplaySink;
 
    32 class CMceCameraSource;
 
    31 class CMceCameraSource;
 
    33 class CMceFileSource;
 
    32 class CMceFileSource;
 
    34 class CMceVideoStream;
 
    33 class CMceVideoStream;
 
    35 class CMceSpeakerSink;
 
    34 class CMceSpeakerSink;
 
    36 
    35 
    37 const TUint KMusEngNoAssociatedSourceType = KMaxTUint;
 
       
    38 
    36 
    39 /**
 
    37 /**
 
    40 * Static class including utility methods to locate and manipulate MCE 
    38 * Static class including utility methods to locate and manipulate MCE 
    41 * sessions, streams, sources and sinks
 
    39 * sessions, streams, sources and sinks
 
    42 * @lib musengine.lib
 
    40 * @lib musengine.lib
 
    53         * @return ETrue if parameter is a video stream with a RTP source
 
    51         * @return ETrue if parameter is a video stream with a RTP source
 
    54         */
 
    52         */
 
    55         static TBool IsVideoInStream( CMceMediaStream& aStream );
 
    53         static TBool IsVideoInStream( CMceMediaStream& aStream );
 
    56 
    54 
    57         /**
 
    55         /**
 
    58         * Tells if a stream is a video stream with rtp sink.
 
       
    59         *
 
       
    60         * @param aStream Stream to be investigated
 
       
    61         * @return ETrue if parameter is a video stream with a RTP sink
 
       
    62         */
 
       
    63         static TBool IsVideoOutStream( CMceMediaStream& aStream );
 
       
    64         
       
    65         /**
 
       
    66         * Tells if a stream is an audio stream with rtp source.
 
    56         * Tells if a stream is an audio stream with rtp source.
 
    67         *
 
    57         *
 
    68         * @param aStream Stream to be investigated
 
    58         * @param aStream Stream to be investigated
 
    69         * @return ETrue if parameter is an audio stream with a RTP source
 
    59         * @return ETrue if parameter is an audio stream with a RTP source
 
    70         */
 
    60         */
 
   101         static CMceVideoStream* GetRecordingStream( CMceSession& aSession );
 
    91         static CMceVideoStream* GetRecordingStream( CMceSession& aSession );
 
   102         
    92         
   103         /**
 
    93         /**
 
   104         * Gets handle to a media sink of spesified type contained by
 
    94         * Gets handle to a media sink of spesified type contained by
 
   105         * a mediastream. If there are several sink instances, first one is 
    95         * a mediastream. If there are several sink instances, first one is 
   106         * returned. If associated source type is defined, sink in stream having
 
    96         * returned. Ownership is not transferred.
 
   107         * the source is tried to be searched. If no such match, first matching 
       
   108         * sink is returned. Ownership is not transferred.
 
       
   109         *
 
    97         *
 
   110         * @return Media sink of the spesified type. NULL if none exists
 
    98         * @return Media sink of the spesified type. NULL if none exists
 
   111         */
 
    99         */
 
   112         static CMceMediaSink* GetMediaSink( 
   100         static CMceMediaSink* GetMediaSink( CMceMediaStream& aStream, 
   113                 CMceMediaStream& aStream, 
   101                                             TMceSinkType aType );
 
   114                 TMceSinkType aType,
 
       
   115                 TMceSourceType aAssociatedSourceType = KMusEngNoAssociatedSourceType );
 
       
   116         
   102         
   117         /**
 
   103         /**
 
   118         * Gets handle to a media sink of spesified type contained by
 
   104         * Gets handle to a media sink of spesified type contained by
 
   119         * a mediastream. If there are several sink instances, first one is 
   105         * a mediastream. If there are several sink instances, first one is 
   120         * returned. If associated source type is defined, sink in stream having
 
   106         * returned. Ownership is not transferred.
 
   121         * the source is tried to be searched. If no such match, first matching 
       
   122         * sink is returned. Ownership is not transferred.
 
       
   123         *
 
   107         *
 
   124         * @return Media sink of the spesified type.
 
   108         * @return Media sink of the spesified type.
 
   125         * @leave KErrNotFound if there is no sink of spesified type
 
   109         * @leave KErrNotFound if there is no sink of spesified type
 
   126         */
 
   110         */
 
   127         static CMceMediaSink* GetMediaSinkL( 
   111         static CMceMediaSink* GetMediaSinkL( CMceMediaStream& aStream, 
   128                 CMceMediaStream& aStream, 
   112                                              TMceSinkType aType );
 
   129                 TMceSinkType aType,
 
       
   130                 TMceSourceType aAssociatedSourceType = KMusEngNoAssociatedSourceType );
 
       
   131 
   113 
   132         /**
 
   114         /**
 
   133         * Gets handle to a media sink of spesified type contained by
 
   115         * Gets handle to a media sink of spesified type contained by
 
   134         * a session. If there are several sink instances, first one is 
   116         * a session. If there are several sink instances, first one is 
   135         * returned. If associated source type is defined, sink in stream having
 
   117         * returned. Ownership is not transferred.
 
   136         * the source is tried to be searched. If no such match, first matching 
       
   137         * sink is returned. Ownership is not transferred.
 
       
   138         *
 
   118         *
 
   139         * @return Media sink of the spesified type. NULL if none exists
 
   119         * @return Media sink of the spesified type. NULL if none exists
 
   140         */
 
   120         */
 
   141         static CMceMediaSink* GetMediaSink( 
   121         static CMceMediaSink* GetMediaSink( CMceSession& aSession, 
   142                 CMceSession& aSession, 
   122                                             TMceSinkType aType );
 
   143                 TMceSinkType aType,
 
       
   144                 TMceSourceType aAssociatedSourceType = KMusEngNoAssociatedSourceType,
 
       
   145                 TBool aStrictMatch = EFalse );
 
       
   146         
   123         
   147         /**
 
   124         /**
 
   148         * Gets handle to a media sink of spesified type contained by
 
   125         * Gets handle to a media sink of spesified type contained by
 
   149         * a session. If there are several sink instances, first one is 
   126         * a session. If there are several sink instances, first one is 
   150         * returned. If associated source type is defined, sink in stream having
 
   127         * returned. Ownership is not transferred.
 
   151         * the source is tried to be searched. If no such match, first matching 
       
   152         * sink is returned. Ownership is not transferred.
 
       
   153         *
 
   128         *
 
   154         * @return Media sink of the spesified type.
 
   129         * @return Media sink of the spesified type.
 
   155         * @leave KErrNotFound if there is no sink of spesified type
 
   130         * @leave KErrNotFound if there is no sink of spesified type
 
   156         */
 
   131         */
 
   157         static CMceMediaSink* GetMediaSinkL( 
   132         static CMceMediaSink* GetMediaSinkL( CMceSession& aSession, 
   158                 CMceSession& aSession, 
   133                                              TMceSinkType aType );
 
   159                 TMceSinkType aType,
 
       
   160                 TMceSourceType aAssociatedSourceType = KMusEngNoAssociatedSourceType,
 
       
   161                 TBool aStrictMatch = EFalse );
 
       
   162         
   134         
   163         /**
 
   135         /**
 
   164         * Gets handle to a speaker sink contained by specified stream 
   136         * Gets handle to a speaker sink contained by specified stream 
   165         * or its' bound stream. Ownership is not transferred.
 
   137         * or its' bound stream. Ownership is not transferred.
 
   166         *
 
   138         *
 
   187         /**
 
   159         /**
 
   188         * Gets handle to a display sink. Ownership is not transferred.
 
   160         * Gets handle to a display sink. Ownership is not transferred.
 
   189         *
 
   161         *
 
   190         * @return Display sink, NULL if none exists
 
   162         * @return Display sink, NULL if none exists
 
   191         */
 
   163         */
 
   192         static CMceDisplaySink* GetDisplay( CMceSession& aSession,
 
   164         static CMceDisplaySink* GetDisplay( CMceSession& aSession );        
   193                                             TBool aPreferViewFinder = ETrue );        
       
   194 
   165 
   195         /**
 
   166         /**
 
   196         * Gets handle to a display sink. If there are several display
 
   167         * Gets handle to a display sink. If there are several display
 
   197         * sink instances view finder is preferred with default arguments.
 
   168         * sink instances, first one is returned.
 
   198         * Ownership is not transferred.
 
   169         * Ownership is not transferred.
 
   199         *
 
   170         *
 
   200         * @return Display sink
 
   171         * @return Display sink
 
   201         * @leave KErrNotFound if there is no display
 
   172         * @leave KErrNotFound if there is no display
 
   202         */
 
   173         */
 
   203         static CMceDisplaySink* GetDisplayL( CMceSession& aSession, 
   174         static CMceDisplaySink* GetDisplayL( CMceSession& aSession );     
   204                                              TBool aPreferViewFinder = ETrue );     
   175 
   205 
       
   206         /**
 
       
   207         * Gets handle to a display sink. Ownership is not transferred.
 
       
   208         *
 
       
   209         * @return Display sink, NULL if none exists
 
       
   210         */
 
       
   211         static CMceDisplaySink* GetReceivingDisplay( CMceSession& aSession );          
       
   212         
       
   213         /**
 
       
   214         * Gets handle to a receiving display sink. Ownership is not transferred.
 
       
   215         *
 
       
   216         * @return Display sink
 
       
   217         * @leave KErrNotFound if there is no display
 
       
   218         */
 
       
   219         static CMceDisplaySink* GetReceivingDisplayL( CMceSession& aSession );    
       
   220         
       
   221         /**
 
       
   222         * Gets handle to a viewfinder display sink. Ownership is not transferred.
 
       
   223         *
 
       
   224         * @return Display sink
 
       
   225         * @leave KErrNotFound if there is no display
 
       
   226         */
 
       
   227         static CMceDisplaySink* GetVfDisplay( CMceSession& aSession );
 
       
   228         
       
   229         /**
 
   176         /**
 
   230         * Adds display sink to specified stream if one does not exist already.
 
   177         * Adds display sink to specified stream if one does not exist already.
 
   231         * Display rect is set in both cases to a specified one.
 
   178         * Display rect is set in both cases to a specified one.
 
   232         * Display is disabled by default.
 
   179         * Display is disabled by default.
 
   233         * 
   180         * 
   236         * @param aDisplayRect is desired display area
 
   183         * @param aDisplayRect is desired display area
 
   237         * @leave KErrArgument if offered stream is not a video stream
 
   184         * @leave KErrArgument if offered stream is not a video stream
 
   238         */
 
   185         */
 
   239         static void AddDisplayL( CMceMediaStream& aStream, 
   186         static void AddDisplayL( CMceMediaStream& aStream, 
   240                                  CMceManager& aManager, 
   187                                  CMceManager& aManager, 
   241                                  const TRect& aDisplayRect,
 
   188                                  const TRect& aDisplayRect );
 
   242                                  TBool aDisable = EFalse );
 
       
   243 
   189 
   244         /**
 
   190         /**
 
   245         * Adds speaker sink to specified stream if one does not exist already.
 
   191         * Adds speaker sink to specified stream if one does not exist already.
 
   246         * Speaker is disabled by default.
 
   192         * Speaker is disabled by default.
 
   247         * 
   193         * 
   255         * 
   201         * 
   256         * @param aStream is a stream to be disabled
 
   202         * @param aStream is a stream to be disabled
 
   257         */
 
   203         */
 
   258         static void DisableStreamL( CMceMediaStream& aStream );
 
   204         static void DisableStreamL( CMceMediaStream& aStream );
 
   259         
   205         
   260         /**
 
       
   261         * Enables or disables display sink. If the state is already correct,
 
       
   262         * nothing is done.
 
       
   263         */
 
       
   264         static void DoEnableDisplayL( CMceDisplaySink& aDisplay, TBool aEnable );
 
       
   265         
       
   266         /**
 
       
   267         * Enables inactivity timer if possible.
 
       
   268         */
 
       
   269         static TInt EnableInactivityTimer( CMceSession& aSession, 
       
   270                                            TUint32 aInactivityTimeout );
 
       
   271         
       
   272     };
 
   206     };
 
   273 
   207 
   274 
   208 
   275 #endif // MUSENGMCEUTILS_H
 
   209 #endif // MUSENGMCEUTILS_H
FCL/sf/app/mmsharinguis