graphicscomposition/openwfcompositionengine/adaptation/src/Platform/Graphics/symbian/owfnativestreamstub.cpp
author William Roberts <williamr@symbian.org>
Tue, 20 Apr 2010 16:38:10 +0100
branchNewGraphicsArchitecture
changeset 35 3aa07f06a4b7
parent 0 5d03bc08d59c
child 49 0ee978e37eb7
permissions -rw-r--r--
Apply Faisal's second patch from Bug 2354, plus a missing "break" statement - Add YUV support
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
0
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// Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// Native Stream Stubs
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// 
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//
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#include <WF/wfc.h>
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#include <graphics/symbianstream.h>
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#include <graphics/surfacemanager.h>
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#include "owfnativestream.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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static RSurfaceManager& SurfaceManagerSingleton()
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        {
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        static RSurfaceManager surfaceManager;
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        static int err=surfaceManager.Open();
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        return surfaceManager;
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        }
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static khronos_int32_t max(khronos_int32_t aLhs, khronos_int32_t aRhs)
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{
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    if (aLhs > aRhs) {
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        return aLhs;
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    }
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    return aRhs;
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}
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static TSurfaceId createSurface(khronos_int32_t width,
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        khronos_int32_t height,
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        const OWF_IMAGE_FORMAT*   format,
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        khronos_int32_t nbufs)
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        {
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        TSurfaceId surface = TSurfaceId::CreateNullId();
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        RSurfaceManager::TSurfaceCreationAttributesBuf bf;
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        RSurfaceManager::TSurfaceCreationAttributes& b = bf();
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        TBool premultiplied = format->premultiplied;
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        OWF_PIXEL_FORMAT pixelFormat = format->pixelFormat;
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        khronos_int32_t bytesPerPixel = 0;
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// we don't support linear mode
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        if (format->linear)
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            {
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            return surface;
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            }
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        switch(pixelFormat)
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            {
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            case OWF_IMAGE_RGB565:
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                b.iPixelFormat = EUidPixelFormatRGB_565;
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                bytesPerPixel = 2;
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                b.iAlignment = max(4,format->rowPadding);
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                break;
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            case OWF_IMAGE_ARGB8888:
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                {
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                if (premultiplied)
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                    {
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                    b.iPixelFormat = EUidPixelFormatARGB_8888_PRE;
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                    }
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                else
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                    {
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                    b.iPixelFormat = EUidPixelFormatARGB_8888;
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                    }
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                bytesPerPixel = 4;
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                b.iAlignment = format->rowPadding;
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                break;
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                }
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            case OWF_IMAGE_XRGB8888 :
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                b.iPixelFormat = EUidPixelFormatXRGB_8888;
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                bytesPerPixel = 4;
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                b.iAlignment = max(4,format->rowPadding);
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                break;
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            case OWF_IMAGE_L8 :
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                b.iPixelFormat = EUidPixelFormatA_8;
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                bytesPerPixel = 1;
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                b.iAlignment = max(4,format->rowPadding);
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                break;
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            case OWF_IMAGE_L1 :
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                b.iPixelFormat = EUidPixelFormatL_1;
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                bytesPerPixel = -8;
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                b.iAlignment = max(4,format->rowPadding);
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                break;
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            case OWF_IMAGE_UYVY:
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                b.iPixelFormat = EUidPixelFormatYUV_422Interleaved;
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                bytesPerPixel = 1;
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                b.iAlignment = max(4,format->rowPadding);
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                break;
0
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            default:
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                return surface;
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            }   
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        b.iSize.iWidth = width;
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        b.iSize.iHeight = height;
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        b.iBuffers = nbufs;                             // number of buffers in the surface
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        b.iOffsetToFirstBuffer = 0;                     // way of reserving space before the surface pixel data
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        if (bytesPerPixel >= 0)
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            {
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            b.iStride = bytesPerPixel * width;  // number of bytes between start of one line and start of next  
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            }
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        else
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            {
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            b.iStride = (width-(bytesPerPixel+1)) / (-bytesPerPixel);
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            }
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        b.iContiguous = OWF_FALSE;
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        b.iMappable = OWF_TRUE;
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        TInt err=SurfaceManagerSingleton().CreateSurface(bf, surface);
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        if (err<0)
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            {
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            surface=TSurfaceId::CreateNullId();
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            }
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        return surface;
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        }
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   128
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static void WipeWriteBuffer(SymbianStreamType ns)
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        {
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        khronos_int32_t height,stride;
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        SymbianStreamGetHeader(ns,NULL,&height,&stride,NULL,NULL);
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        SymbianStreamBuffer buffer;
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        if( KErrNone != SymbianStreamAcquireWriteBuffer(ns, &buffer))
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            {
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            return;
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            }
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        void* pixels = NULL;
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        // If we fail to get buffer pointer, we proceed without initial wipe
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        if( KErrNone != SymbianStreamGetBufferPointer(ns,buffer,&pixels))
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            {
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            return;
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            }
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        memset(pixels,0,height*stride);
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        SymbianStreamReleaseWriteBuffer(ns,buffer);
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        }
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   147
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/*!---------------------------------------------------------------------------
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 *  Create new off-screen image stream.
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 *
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 *  \param width            Stream image buffer width
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 *  \param height           Stream image buffer height
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 *  \param imageFormat      Stream image buffer format
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 *  \param nbufs            Number of image buffers to allocate
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 *
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 *  \param Handle to newly created stream or OWF_INVALID_HANDLe if no
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 *  stream could be created.
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 *----------------------------------------------------------------------------*/
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OWF_API_CALL OWFNativeStreamType
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owfNativeStreamCreateImageStream(OWFint width,
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                                 OWFint height,
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                                 const OWF_IMAGE_FORMAT* format,
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                                 OWFint nbufs)
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        {
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        TSurfaceId surface;
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        surface = createSurface(width, height, format, nbufs);
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        if (surface.IsNull())
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            {
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            return WFC_INVALID_HANDLE;
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            }
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        SymbianStreamType ns=NULL;  //No more error checking required...
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        SymbianStreamAcquire(&surface,&ns);
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   174
        
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        SurfaceManagerSingleton().CloseSurface(surface);
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   176
        if (ns)
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            {
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            WipeWriteBuffer(ns);
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   179
            }
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        return (OWFNativeStreamType)ns;
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        }
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/*!---------------------------------------------------------------------------
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   183
 * Converts from external WFC native stream handle type to internal OWF native stream handle type.
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   184
 * The internal handle MUST be persistant. The external handle may already be persistant.
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 * This method may fail, either due to memory, or due to the stream object not being supported by the compositor
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 * @param publicStream The publicly defined stream handle
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 * @param error			Pointer to store error code - optionally can be NULL
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   188
 * @return OWFNativeStreamType an equivalent internal stream handle
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 *----------------------------------------------------------------------------**/
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   190
OWF_API_CALL OWFNativeStreamType owfNativeStreamFromWFC(WFCNativeStreamType publicStream,OWF_STREAM_ERROR* errorReturn)
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	{
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	SymbianStreamType rvss;
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	TInt err = SymbianStreamAcquire(reinterpret_cast<SymbianStreamType>(publicStream),&rvss);
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	if (err)
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		{
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   196
		if (errorReturn)
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		    {
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		    *errorReturn = (err == KErrNoMemory) ? OWF_STREAM_ERROR_OUT_OF_MEMORY : OWF_STREAM_ERROR_INVALID_STREAM;
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		    }
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		return OWF_INVALID_HANDLE;
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		}
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	OWF_IMAGE_FORMAT format;
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   203
	OWFNativeStreamType rvowf=reinterpret_cast<OWFNativeStreamType>(rvss);
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	owfNativeStreamGetHeader(rvowf,NULL,NULL,NULL,&format,NULL);
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   205
	if (format.pixelFormat==OWF_IMAGE_NOT_SUPPORTED)
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		{
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   207
		SymbianStreamRemoveReference(rvss);
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		if (errorReturn)
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			{
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			*errorReturn=OWF_STREAM_ERROR_INVALID_STREAM;
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			}
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		return OWF_INVALID_HANDLE; 
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		}
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   214
	if (errorReturn)
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		{
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		*errorReturn=OWF_STREAM_ERROR_NONE;
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		}
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	return rvowf;
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	}
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   220
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   221
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   222
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/*!---------------------------------------------------------------------------
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   224
 *  Increase stream's reference count
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 *
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 *  \param stream           Stream handle
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 *----------------------------------------------------------------------------*/
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OWF_API_CALL void
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owfNativeStreamAddReference(OWFNativeStreamType stream)
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        {
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        SymbianStreamAddReference((SymbianStreamType)stream);
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   232
        }
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   233
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/*!---------------------------------------------------------------------------
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 *  Decrease stream's reference count
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   236
 *
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 *  \param stream           Stream handle
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 *----------------------------------------------------------------------------*/
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OWF_API_CALL void
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owfNativeStreamRemoveReference(OWFNativeStreamType stream)
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        {
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        SymbianStreamRemoveReference((SymbianStreamType)stream);
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   243
        }
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/*!----------------------------------------------------------------------------
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 *  Destroy stream. The stream isn't necessarily immediately destroyed, but
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   247
 *  only when it's reference count reaches zero.
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   248
 *
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   249
 *  \param stream           Stream handle
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 *----------------------------------------------------------------------------*/
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   251
OWF_API_CALL void
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   252
owfNativeStreamDestroy(OWFNativeStreamType stream)
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   253
        {
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   254
        SymbianStreamRemoveReference((SymbianStreamType)stream);
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   255
        }
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   256
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   257
static TInt PixelFormatConversion(TUidPixelFormat aBaseFormat, OWF_IMAGE_FORMAT& aFormat)
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   258
        {
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   259
        // Non-alpha formats have the premultiplied flag set because the
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        // code handles them more quickly that way.
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   261
        switch(aBaseFormat)
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   262
            {
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   263
            case EUidPixelFormatRGB_565:
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   264
                aFormat.linear = OWF_FALSE;
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   265
                aFormat.premultiplied = OWF_TRUE;
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   266
                aFormat.rowPadding = 2;
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   267
                aFormat.pixelFormat = OWF_IMAGE_RGB565;
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   268
                break;
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   269
            case EUidPixelFormatARGB_8888_PRE:
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   270
                aFormat.linear = OWF_FALSE;
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   271
                aFormat.premultiplied = OWF_TRUE;
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   272
                aFormat.rowPadding = 4;
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   273
                aFormat.pixelFormat = OWF_IMAGE_ARGB8888;
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   274
                break;
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   275
            case EUidPixelFormatARGB_8888:
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   276
                aFormat.linear = OWF_FALSE;
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   277
                aFormat.premultiplied = OWF_FALSE;
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   278
                aFormat.rowPadding = 4;
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   279
                aFormat.pixelFormat = OWF_IMAGE_ARGB8888;
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   280
                break;
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   281
            case EUidPixelFormatXRGB_8888 :
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   282
                aFormat.linear = OWF_FALSE;
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diff changeset
   283
                aFormat.premultiplied = OWF_TRUE;
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   284
                aFormat.rowPadding = 4;
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diff changeset
   285
                aFormat.pixelFormat = OWF_IMAGE_XRGB8888;
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   286
                break;
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   287
            case EUidPixelFormatA_8 :
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   288
                aFormat.linear = OWF_FALSE;
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   289
                aFormat.premultiplied = OWF_FALSE;
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   290
                aFormat.rowPadding = 4;
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diff changeset
   291
                aFormat.pixelFormat = OWF_IMAGE_L8;          
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   292
                break;
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diff changeset
   293
            case EUidPixelFormatL_1 :
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diff changeset
   294
                aFormat.linear = OWF_FALSE;
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diff changeset
   295
                aFormat.premultiplied = OWF_FALSE;
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diff changeset
   296
                aFormat.rowPadding = 4;
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diff changeset
   297
                aFormat.pixelFormat = OWF_IMAGE_L1;          
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   298
                break;
35
3aa07f06a4b7 Apply Faisal's second patch from Bug 2354, plus a missing "break" statement
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diff changeset
   299
3aa07f06a4b7 Apply Faisal's second patch from Bug 2354, plus a missing "break" statement
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diff changeset
   300
            case EUidPixelFormatYUV_422Interleaved :
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diff changeset
   301
                aFormat.linear = OWF_FALSE;
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diff changeset
   302
                aFormat.premultiplied = OWF_FALSE;
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diff changeset
   303
                aFormat.rowPadding = 1;
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diff changeset
   304
                aFormat.pixelFormat = OWF_IMAGE_UYVY;          
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diff changeset
   305
                break;
0
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diff changeset
   306
            default:
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diff changeset
   307
                aFormat.linear = OWF_FALSE;
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diff changeset
   308
                aFormat.premultiplied = OWF_FALSE;
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diff changeset
   309
                aFormat.rowPadding = 0;
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parents:
diff changeset
   310
                aFormat.pixelFormat = OWF_IMAGE_NOT_SUPPORTED;
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parents:
diff changeset
   311
                return KErrNotSupported;
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diff changeset
   312
            }
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diff changeset
   313
        return KErrNone;
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diff changeset
   314
        }
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diff changeset
   315
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diff changeset
   316
/*!---------------------------------------------------------------------------
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diff changeset
   317
 * Get stream's image header
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diff changeset
   318
 *
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diff changeset
   319
 * \param stream            Stream handle
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diff changeset
   320
 * \param width             Stream width
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parents:
diff changeset
   321
 * \param height            Stream height
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diff changeset
   322
 * \param stride            Stream stride
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parents:
diff changeset
   323
 * \param format            Stream format
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parents:
diff changeset
   324
 * \param pixelSize         Stream pixelSize
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parents:
diff changeset
   325
 *
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diff changeset
   326
 * All the parameters above, except stream handle, are pointers to locations
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parents:
diff changeset
   327
 * where the particular value should be written to. Passing in a NULL
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parents:
diff changeset
   328
 * pointer means that the particular values is of no interest to the caller.
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parents:
diff changeset
   329
 *
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parents:
diff changeset
   330
 * E.g. to query only width & height one would call this function with
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parents:
diff changeset
   331
 * parameters (stream_handle, &width, &height, NULL, NULL, NULL);
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parents:
diff changeset
   332
 *
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parents:
diff changeset
   333
 *----------------------------------------------------------------------------*/
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parents:
diff changeset
   334
OWF_API_CALL void
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parents:
diff changeset
   335
owfNativeStreamGetHeader(OWFNativeStreamType stream,
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parents:
diff changeset
   336
                           OWFint* width,
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parents:
diff changeset
   337
                           OWFint* height,
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   338
                           OWFint* stride,
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   339
                           OWF_IMAGE_FORMAT* format,
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   340
                           OWFint* pixelSize)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   341
        {
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   342
        SymOwfPixelFormat symFormat;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   343
        SymbianStreamGetHeader((SymbianStreamType)stream,
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   344
                                width,
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   345
                                height,
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   346
                                stride,
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   347
                                format?&symFormat:(SymOwfPixelFormat*)NULL,
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
                                pixelSize);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
        if (format)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
            {   //translate format. If error then OWF_IMAGE_NOT_SUPPORTED is set.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
            PixelFormatConversion(symFormat,*format);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
            }
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
        }
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
/*!---------------------------------------------------------------------------
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
 *  Acquire read buffer from stream
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
 *
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
 *  \param stream           Stream handle
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
 *
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
 *  \return Handle to next readable (unread since last write)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
 *  buffer from the stream or OWF_INVALID_HANDLE if no unread buffers
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
 *  are available.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
 *----------------------------------------------------------------------------*/
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
OWF_API_CALL OWFNativeStreamBuffer
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
owfNativeStreamAcquireReadBuffer(OWFNativeStreamType stream)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
        {
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
        OWFNativeStreamBuffer returnBuffer;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
        SymbianStreamAcquireReadBuffer((SymbianStreamType)stream,(SymbianStreamBuffer*)&returnBuffer);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
        return returnBuffer;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
        }
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
/*!---------------------------------------------------------------------------
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
 *  Release read buffer.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
 *
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
 *  \param stream           Stream handle
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
 *  \param buf              Buffer handle
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
 *----------------------------------------------------------------------------*/
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
OWF_API_CALL void
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
owfNativeStreamReleaseReadBuffer(OWFNativeStreamType stream,
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
                                 OWFNativeStreamBuffer buf)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
        {
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
        SymbianStreamReleaseReadBuffer((SymbianStreamType)stream,(SymbianStreamBuffer)buf);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
        }
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
/*!---------------------------------------------------------------------------
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
 *  Acquires writable buffer from a stream. The caller has exclusive access
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
 *  to returned buffer until the buffer is commited to stream by
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
 *  calling ReleaseWriteBuffer.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
 *
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
 *  \param stream           Stream handle
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
 *
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
 *  \return Handle to next writable buffer or OWF_INVALID_HANDLE if no such
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
 *  buffer is available.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
 *----------------------------------------------------------------------------*/
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
OWF_API_CALL OWFNativeStreamBuffer
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
owfNativeStreamAcquireWriteBuffer(OWFNativeStreamType stream)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
        {
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
        OWFNativeStreamBuffer returnBuffer;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
        SymbianStreamAcquireWriteBuffer((SymbianStreamType)stream,(SymbianStreamBuffer*)&returnBuffer);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
        return returnBuffer;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
        }
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
/*!---------------------------------------------------------------------------
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
 *  Commit write buffer to stream.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
 *
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
 *  \param stream           Stream handle
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
 *  \param buf              Buffer handle
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
 *----------------------------------------------------------------------------*/
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
OWF_API_CALL void
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
owfNativeStreamReleaseWriteBuffer(OWFNativeStreamType stream,
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
                                  OWFNativeStreamBuffer buf,
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
                                  EGLDisplay dpy,
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
                                  EGLSyncKHR sync)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
        {
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
        //We do not use the sync object mechanism to indicate that content has been consumed.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
        //See the SUS notification support
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
        (void)dpy;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
        (void)sync;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
        SymbianStreamReleaseWriteBuffer((SymbianStreamType)stream,(SymbianStreamBuffer)buf);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
        }
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
/*!---------------------------------------------------------------------------
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
 *  Register stream content observer (append to chain). The observer will
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
 *  receive buffer modification event from the stream whenever a buffer is
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
 *  committed.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
 *
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
 *  \param stream           Stream handle
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
 *  \param observer         Stream observer
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
 *  \param data             data to pass to observer callback
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
 *                          function when event is dispatched.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
 *----------------------------------------------------------------------------*/
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
OWF_API_CALL OWF_STREAM_ERROR
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
owfNativeStreamAddObserver(OWFNativeStreamType stream,
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
                           OWFStreamCallback observer,
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
                           void* data)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
        {
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
        int err = SymbianStreamAddObserver((SymbianStreamType)stream,(SymbianStreamCallback)observer,data);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   438
        switch (err)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
            {
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
            case KErrBadHandle:    return OWF_STREAM_ERROR_INVALID_STREAM;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
            case KErrNotFound:     return OWF_STREAM_ERROR_INVALID_OBSERVER;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
            case KErrGeneral:      return OWF_STREAM_ERROR_OUT_OF_MEMORY;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
            default:               return OWF_STREAM_ERROR_NONE;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
            }
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
        }
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
/*!---------------------------------------------------------------------------
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
 *  Remove stream content observer.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   449
 *
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   450
 *  \param stream           Stream handle
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   451
 *  \param observer         Observer to remove
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   452
 *  \param data             client data supplied for registration
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   453
 *
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   454
 *  \param Zero if the observer was removed successfully, otherwise non-zero
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   455
 *  (OWF_STREAM_ERROR_INVALID_STREAM if the stream is invalid;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   456
 *   OWF_STREAM_ERROR_INVALID_OBSERVER if the observer is invalid.)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   457
 *----------------------------------------------------------------------------*/
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   458
OWF_API_CALL OWF_STREAM_ERROR
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   459
owfNativeStreamRemoveObserver(OWFNativeStreamType stream,
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   460
                              OWFStreamCallback observer,
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   461
                              void* data)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   462
        {
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   463
        SYMOWF_DEFAULT_EVENT_PARAM eventPar;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   464
        eventPar.length = sizeof(eventPar);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   465
        eventPar.event = ESOWF_NoEvent;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   466
        observer(SYMBIAN_INVALID_HANDLE, ESOWF_ObserverReturnDefaultEvent, NULL, &eventPar);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   467
        return (OWF_STREAM_ERROR)SymbianStreamRemoveObserver((SymbianStreamType)stream,data,(type_SymbianStreamEventBits)eventPar.event);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   468
        }
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   469
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   470
/*!---------------------------------------------------------------------------
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   471
 *  Enable/disable stream content notifications.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   472
 *
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   473
 *  \param stream           Stream handle
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   474
 *  \param send             Boolean value indicating whether the stream should
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   475
 *                          send content notifications to its observers.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   476
 *----------------------------------------------------------------------------*/
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   477
OWF_API_CALL void
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   478
owfNativeStreamEnableUpdateNotifications(OWFNativeStreamType /*stream*/,
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   479
                                         OWFboolean /*send*/)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   480
    {
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   481
    //SymbianStream always enables update notifications.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   482
    //It can deal efficiently with the situation where there are no registered observers.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   483
    }
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   484
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   485
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   486
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   487
/*!---------------------------------------------------------------------------
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   488
 *  Return pointer to stream buffer's pixel data. The buffer must be
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   489
 *  a valid read/write buffer.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   490
 *
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   491
 *  \param stream           Stream handle
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   492
 *  \param buffer           Buffer handle
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   493
 *
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   494
 *  \return Pointer to buffers pixel data.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   495
 *----------------------------------------------------------------------------*/
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   496
OWF_API_CALL void*
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   497
owfNativeStreamGetBufferPtr(OWFNativeStreamType stream,
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   498
                            OWFNativeStreamBuffer buffer)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   499
        {
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   500
        void* returnPointer = NULL;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   501
        SymbianStreamGetBufferPointer((SymbianStreamType)stream,buffer,&returnPointer);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   502
        return returnPointer;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   503
        }
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   504
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   505
/*!---------------------------------------------------------------------------
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   506
 *  Set/reset stream's protection flag. This flag is used for preventing the
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   507
 *  user from deleting a stream that s/he doesn't really own or should
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   508
 *  not twiddle with too much (on-screen context's target stream, for example)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   509
 *
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   510
 *  \param stream           Stream handle
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   511
 *  \param flag             Protection status
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   512
 *----------------------------------------------------------------------------*/
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   513
OWF_API_CALL void
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   514
owfNativeStreamSetProtectionFlag(OWFNativeStreamType stream,
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   515
                                 OWFboolean flag)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   516
        {
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   517
        SymbianStreamSetProtectionFlag((SymbianStreamType)stream,flag);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   518
        }
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   519
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   520
/*!---------------------------------------------------------------------------
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   521
 *  Set/reset stream's flip state. When the flip state is OWF_TRUE, the stream
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   522
 *  attributes returned by owfNativeStreamGetHeader are affected as follows:
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   523
 *  -# The width and height attributes are swapped.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   524
 *  -# The stride attribute is derived from the height value instead of the
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   525
 *  width.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   526
 *
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   527
 *  Note: the attributes of the underlying surface as retrieved using Surface
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   528
 *  Manager are not affected by this flag.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   529
 *
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   530
 *  \param stream           Stream handle
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   531
 *  \param flip             New flip state
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   532
 *----------------------------------------------------------------------------*/
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   533
OWF_API_CALL void
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   534
owfSetStreamFlipState(OWFNativeStreamType stream, OWFboolean flip)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   535
    {
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   536
    SymbianStreamSetFlipState((SymbianStreamType)stream, flip);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   537
    }
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   538
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   539
#ifdef __cplusplus
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   540
}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   541
#endif
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   542
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   543