--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/videoeditorengine/vedtranscoder/inc/ctrdevvideoclientobserver.h	Fri Jan 29 14:08:33 2010 +0200
@@ -0,0 +1,133 @@
+/*
+* Copyright (c) 2010 Ixonos Plc.
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the "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:
+* Ixonos Plc
+*
+* Description:  
+* DevVideoClient observer.
+*
+*/
+
+
+#ifndef CTRDEVVICEOCLIENTOBSERVER_H
+#define CTRDEVVICEOCLIENTOBSERVER_H
+
+
+// INCLUDES
+#include <devvideobase.h>
+#include <devvideorecord.h>
+#include <CCMRMediaSink.h>
+
+
+/**
+*  Devvideo client observer
+*  @lib TRANSCODER.LIB
+*  @since 3.1
+*/
+class MTRDevVideoClientObserver
+    {
+    public:
+        /**
+        * Reports an error from the devVideo client
+        * @param aError Error reason
+        * @return void
+        */
+        virtual void MtrdvcoFatalError(TInt aError) = 0;
+
+        /**
+        * Reports that data encoding process has been finished
+        * @param none
+        * @return void
+        */
+        virtual void MtrdvcoEncStreamEnd() = 0;
+
+        /**
+        * Reports that data decoding process has been finished
+        * @param none
+        * @return void
+        */
+        virtual void MtrdvcoDecStreamEnd() = 0;
+
+        /**
+        * Returns video picture from the video encoder client
+        * @param aPicture video picture
+        * @return void
+        */
+        virtual void MtrdvcoEncoderReturnPicture(TVideoPicture* aPicture) = 0;
+
+        /**
+        * Returns videopicture from the renderer
+        * @param aPicture Video picture
+        * @return none
+        */
+        virtual void MtrdvcoRendererReturnPicture(TVideoPicture* aPicture) = 0;
+
+        /**
+        * Supplies new decoded picture
+        * @param aPicture Video picture
+        * @return none
+        */
+        virtual void MtrdvcoNewPicture(TVideoPicture* aPicture) = 0;
+
+        /**
+        * Supplies new encoded bitstream buffer
+        * @param aBuffer Media buffer
+        * @return none
+        */
+        virtual void MtrdvcoNewBuffer(CCMRMediaBuffer* aBuffer) = 0;
+
+        /**
+        * Informs about initializing video encoder client
+        * @param aError Initializing error status 
+        * @return void
+        */
+        virtual void MtrdvcoEncInitializeComplete(TInt aError) = 0;
+
+        /**
+        * Informs about initializing video decoder client
+        * @param aError Initializing error status 
+        * @return void
+        */
+        virtual void MtrdvcoDecInitializeComplete(TInt aError) = 0;
+
+        /**
+        * Returns media bitstream buffer to the client
+        * @param aBuffer Bitstream media buffer
+        * @return void
+        */
+        virtual void MtrdvcoReturnCodedBuffer(CCMRMediaBuffer* aBuffer) = 0;
+        
+        /**
+        * Notifies the transcoder about available picture buffers through BMCI or MDF
+        * @param none
+        * @return void
+        */
+        virtual void MtrdvcoNewBuffers() = 0;
+        
+        /**
+        * Indicates that a media device has lost its resources
+        * @param aFromDecoder Flag to indicate source
+        * @return none
+        */
+        virtual void MtrdvcoResourcesLost(TBool aFromDecoder) = 0;
+        
+        /**
+        * Indicates that a media device has regained its resources
+        * @return none
+        */
+        virtual void MtrdvcoResourcesRestored() = 0;
+    };
+
+
+
+
+#endif // CTRDEVVICEOCLIENTOBSERVER_H