diff -r 000000000000 -r bde4ae8d615e os/mm/mmhais/videohai/devvideo/inc/devvideoclientbuffersupport.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/mm/mmhais/videohai/devvideo/inc/devvideoclientbuffersupport.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,89 @@
+// Copyright (c) 2007-2009 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 DEVVIDEOCLIENTBUFFERSUPPORT_H
+#define DEVVIDEOCLIENTBUFFERSUPPORT_H
+
+#include <e32def.h>
+
+class TVideoFrameBuffer;
+
+/** 
+DevVideo Client Buffer Support Custom Interface UID.
+
+@publishedPartner
+@released
+*/
+const TUid KUidMMFVideoClientBufferSupport = { 0x10283417 };
+
+/**
+In implementations where the controller creates and manages surfaces, this
+DevVideo custom interface lets the decoder decode into those client-supplied
+surface buffers.
+
+@publishedPartner
+@released
+*/
+class MMMFVideoClientBufferSupport
+	{
+public:
+	/**
+	Enables client buffer mode. This method must be called before Initialize() with
+	aClientBuffers=ETrue to use client-supplied buffers. When client-supplied buffers
+	are used the decoder will not allocate output buffers, but will instead expect to
+	receive them from the client using MvcbsSupplyBuffer().
+	
+	@param aClientBuffers ETrue to enable using client-supplied buffers, EFalse to
+	disable this.
+	*/
+	virtual void MvcbsUseClientBuffers(TBool aClientBuffers) = 0;
+	
+	/**
+	Supplies a buffer to be used for decoder output. The decoder will decode a
+	picture into the buffer and return it to the client through the standard
+	DevVideoPlay data flow (MdvppNewPicture() and NextPictureL()). The client can
+	identify the buffer by comparing TVideoPicture.iData.iRawData in the output
+	picture to TVideoFrameBuffer.Buffer() in the supplied buffer.
+	
+	Clients can queue multiple buffers in a decoder by calling this method several
+	times before receiving output pictures.
+	
+	The client must call ReturnPicture() for each decoder output picture even when
+	using client-supplied buffers, since the decoder must still be able to free other
+	DevVideo-related data structures such as the TVideoPicture object itself.
+	
+	@param aBuffer A TVideoFrameBuffer structure describing the buffer. The buffer
+	must remain accessible and the reference valid until the client receives the
+	buffer through NextPictureL() or calls MvcbsReleaseBuffers().
+	*/
+	virtual void MvcbsSupplyBuffer(TVideoFrameBuffer& aBuffer) = 0;
+	
+	/**
+	Requests the decoder to release all buffers previously supplied with 
+	MvcbsSupplyBuffer() but not yet used. The decoder must synchronously stop using
+	any such buffers before returning from this method.
+	
+	This method is typically used when the client must delete a surface unexpectedly.
+
+	Note that decoded buffers may also be buffered in DevVideoPlay. Therefore, in
+	addition to calling this method the client must also receive all decoded pictures
+	from DevVideoPlay by calling NextPictureL() repeatedly until no more pictures are
+	available.
+	*/
+	virtual void MvcbsReleaseBuffers() = 0;
+	};
+
+#endif // DEVVIDEOCLIENTBUFFERSUPPORT_H