/// <summary> /// Rounds height upto value divisible by 16, /// or 32 in the case where picstruct is MFX_PICSTRUCT_PROGRESSIVE /// </summary> /// <param name="height"></param> /// <param name="picstruct">Used to decide 16 or 32 for rounding up</param> /// <returns></returns> public static ushort AlignHeightTo32or16(int height, PicStruct picstruct) { ushort v = (PicStruct.MFX_PICSTRUCT_PROGRESSIVE == picstruct) ? (ushort)QuickSyncStatic.ALIGN16(height) : (ushort)QuickSyncStatic.ALIGN32(height); return(v); }
/// <summary>Initializes a new instance of the <see cref="LowLevelEncoderCSharp"/> class.</summary> /// <param name="mfxEncParams">The encoder parameters.</param> /// <param name="impl">The implementation.</param> public LowLevelEncoderCSharp(mfxVideoParam mfxEncParams, mfxIMPL impl = mfxIMPL.MFX_IMPL_AUTO) { mfxStatus sts; session = new mfxSession(); var ver = new mfxVersion() { Major = 1, Minor = 3 }; fixed(mfxSession *s = &session) sts = UnsafeNativeMethods.MFXInit(impl, &ver, s); QuickSyncStatic.ThrowOnBadStatus(sts, "MFXInit"); //deviceSetup = new DeviceSetup(session, false); sts = UnsafeNativeMethods.MFXVideoENCODE_Query(session, &mfxEncParams, &mfxEncParams); if (sts > 0) { warnings.Add(nameof(UnsafeNativeMethods.MFXVideoENCODE_Query), sts); sts = 0; } QuickSyncStatic.ThrowOnBadStatus(sts, "encodequery"); mfxFrameAllocRequest EncRequest; sts = UnsafeNativeMethods.MFXVideoENCODE_QueryIOSurf(session, &mfxEncParams, &EncRequest); QuickSyncStatic.ThrowOnBadStatus(sts, "queryiosurf"); EncRequest.NumFrameSuggested = (ushort)(EncRequest.NumFrameSuggested + mfxEncParams.AsyncDepth); EncRequest.Type |= (FrameMemoryType)0x2000; // WILL_WRITE; // This line is only required for Windows DirectX11 to ensure that surfaces can be written to by the application UInt16 numSurfaces = EncRequest.NumFrameSuggested; // - Width and height of buffer must be aligned, a multiple of 32 // - Frame surface array keeps pointers all surface planes and general frame info UInt16 width = (UInt16)QuickSyncStatic.ALIGN32(mfxEncParams.mfx.FrameInfo.Width); UInt16 height = (UInt16)QuickSyncStatic.ALIGN32(mfxEncParams.mfx.FrameInfo.Height); int bitsPerPixel = VideoUtility.GetBitsPerPixel(mfxEncParams.mfx.FrameInfo.FourCC); int surfaceSize = width * height * bitsPerPixel / 8; //byte[] surftaceBuffers = new byte[surfaceSize * numSurfaces]; //XXX IntPtr surfaceBuffers = Marshal.AllocHGlobal(surfaceSize * numSurfaces); byte * surfaceBuffersPtr = (byte *)surfaceBuffers; // // Allocate surface headers (mfxFrameSurface1) for decoder Frames = new mfxFrameSurface1[numSurfaces]; //MSDK_CHECK_POINTER(pmfxSurfaces, MFX_ERR_MEMORY_ALLOC); for (int i = 0; i < numSurfaces; i++) { Frames[i] = new mfxFrameSurface1(); Frames[i].Info = mfxEncParams.mfx.FrameInfo; switch (mfxEncParams.mfx.FrameInfo.FourCC) { case FourCC.NV12: Frames[i].Data.Y_ptr = (byte *)surfaceBuffers + i * surfaceSize; Frames[i].Data.U_ptr = Frames[i].Data.Y_ptr + width * height; Frames[i].Data.V_ptr = Frames[i].Data.U_ptr + 1; Frames[i].Data.Pitch = width; break; case FourCC.YUY2: Frames[i].Data.Y_ptr = (byte *)surfaceBuffers + i * surfaceSize; Frames[i].Data.U_ptr = Frames[i].Data.Y_ptr + 1; Frames[i].Data.V_ptr = Frames[i].Data.U_ptr + 3; Frames[i].Data.Pitch = (ushort)(width * 2); break; default: //find sysmem_allocator.cpp for more help throw new NotImplementedException(); } } frameIntPtrs = new IntPtr[Frames.Length]; for (int i = 0; i < Frames.Length; i++) { fixed(mfxFrameSurface1 *a = &Frames[i]) frameIntPtrs[i] = (IntPtr)a; } sts = UnsafeNativeMethods.MFXVideoENCODE_Init(session, &mfxEncParams); if (sts > 0) { warnings.Add(nameof(UnsafeNativeMethods.MFXVideoENCODE_Init), sts); sts = 0; } QuickSyncStatic.ThrowOnBadStatus(sts, "encodeinit"); mfxVideoParam par; UnsafeNativeMethods.MFXVideoENCODE_GetVideoParam(session, &par); QuickSyncStatic.ThrowOnBadStatus(sts, "encodegetvideoparam"); // from mediasdkjpeg-man.pdf // BufferSizeInKB = 4 + (Width * Height * BytesPerPx + 1023) / 1024; //where Width and Height are weight and height of the picture in pixel, BytesPerPx is number of //byte for one pixel.It equals to 1 for monochrome picture, 1.5 for NV12 and YV12 color formats, // 2 for YUY2 color format, and 3 for RGB32 color format(alpha channel is not encoded). if (par.mfx.BufferSizeInKB == 0 && mfxEncParams.mfx.CodecId == CodecId.MFX_CODEC_JPEG) { par.mfx.BufferSizeInKB = (ushort)((4 + (mfxEncParams.mfx.FrameInfo.CropW * mfxEncParams.mfx.FrameInfo.CropH * 3 + 1023)) / 1000); } //printf("bufsize %d\n", par.mfx.BufferSizeInKB); // Create task pool to improve asynchronous performance (greater GPU utilization) int taskPoolSize = mfxEncParams.AsyncDepth; // number of tasks that can be submitted, before synchronizing is required //Task* pTasks = stackalloc Task[taskPoolSize]; // GCHandle gch3 = GCHandle.Alloc(pTasks, GCHandleType.Pinned); pTasks = new Task[taskPoolSize]; for (int i = 0; i < taskPoolSize; i++) { // Prepare Media SDK bit stream buffer pTasks[i].mfxBS.MaxLength = (uint)(par.mfx.BufferSizeInKB * 1000); pTasks[i].mfxBS.Data = Marshal.AllocHGlobal((int)pTasks[i].mfxBS.MaxLength); Trace.Assert(pTasks[i].mfxBS.Data != IntPtr.Zero); } pinningHandles.Add(GCHandle.Alloc(pTasks, GCHandleType.Pinned)); pinningHandles.Add(GCHandle.Alloc(Frames, GCHandleType.Pinned)); }
/// <summary> /// Constructor /// </summary> public LowLevelDecoderCSharp(mfxVideoParam mfxDecParamsX, mfxVideoParam?VPPParamsX = null, mfxIMPL impl = mfxIMPL.MFX_IMPL_AUTO) { mfxStatus sts; bool enableVPP = VPPParamsX != null; if (VPPParamsX == null) { // Create a default VPPParamsX var foo = new mfxVideoParam(); foo.AsyncDepth = 1; foo.IOPattern = IOPattern.MFX_IOPATTERN_OUT_SYSTEM_MEMORY | IOPattern.MFX_IOPATTERN_IN_SYSTEM_MEMORY; foo.vpp.In = mfxDecParamsX.mfx.FrameInfo; foo.vpp.Out = mfxDecParamsX.mfx.FrameInfo; VPPParamsX = foo; } mfxVideoParam VPPParams = VPPParamsX != null ? VPPParamsX.Value : new mfxVideoParam(); mfxVideoParam mfxDecParams = mfxDecParamsX; // NOTE // IF I am worried about interop issues with stuff moving due to GC, // just pin ever single blitable here pinningHandles.Add(GCHandle.Alloc(pmfxSurfaces, GCHandleType.Pinned)); pinningHandles.Add(GCHandle.Alloc(pmfxSurfaces2, GCHandleType.Pinned)); //pinningHandles.Add(GCHandle.Alloc(struct1, GCHandleType.Pinned)); //pinningHandles.Add(GCHandle.Alloc(struct1, GCHandleType.Pinned)); this.videoParam = mfxDecParams; this.enableVPP = enableVPP; session = new mfxSession(); var ver = new mfxVersion() { Major = 1, Minor = 3 }; fixed(mfxSession *s = &session) sts = UnsafeNativeMethods.MFXInit(impl, &ver, s); QuickSyncStatic.ThrowOnBadStatus(sts, "MFXInit"); bool decVideoMemOut = (mfxDecParams.IOPattern & IOPattern.MFX_IOPATTERN_OUT_VIDEO_MEMORY) != 0; bool vppVideoMemIn = (VPPParams.IOPattern & IOPattern.MFX_IOPATTERN_IN_VIDEO_MEMORY) != 0; bool vppVideoMemOut = (VPPParams.IOPattern & IOPattern.MFX_IOPATTERN_OUT_VIDEO_MEMORY) != 0; Trace.Assert(!enableVPP || decVideoMemOut == vppVideoMemIn, "When the VPP is enabled, the memory type from DEC into VPP must be of same type"); if (vppVideoMemIn || vppVideoMemOut) { //if you want to use video memory, you need to have a way to allocate the Direct3D or Vaapi frames videoAccelerationSupport = new VideoAccelerationSupport(session); } fixed(mfxFrameAllocRequest *p = &DecRequest) sts = UnsafeNativeMethods.MFXVideoDECODE_QueryIOSurf(session, &mfxDecParams, p); if (sts == mfxStatus.MFX_WRN_PARTIAL_ACCELERATION) { sts = 0; } QuickSyncStatic.ThrowOnBadStatus(sts, "DECODE_QueryIOSurf"); if (enableVPP) { fixed(mfxFrameAllocRequest *p = &VPPRequest[0]) sts = UnsafeNativeMethods.MFXVideoVPP_QueryIOSurf(session, &VPPParams, p); if (sts == mfxStatus.MFX_WRN_PARTIAL_ACCELERATION) { sts = 0; } QuickSyncStatic.ThrowOnBadStatus(sts, "VPP_QueryIOSurf"); VPPRequest[1].Type |= FrameMemoryType.WILL_READ; } //mfxU16 nSurfNumDecVPP = DecRequest.NumFrameSuggested + VPPRequest[0].NumFrameSuggested; //mfxU16 nSurfNumVPPOut = VPPRequest[1].NumFrameSuggested; int nSurfNumVPPOut = 0; var numSurfaces = DecRequest.NumFrameSuggested + VPPRequest[0].NumFrameSuggested + VPPParams.AsyncDepth; if (enableVPP) { nSurfNumVPPOut = 0 + VPPRequest[1].NumFrameSuggested + VPPParams.AsyncDepth; } bitstreamBuffer = Marshal.AllocHGlobal(defaultBitstreamBufferSize); bitstream.Data = bitstreamBuffer; bitstream.DataLength = 0; bitstream.MaxLength = (uint)defaultBitstreamBufferSize; bitstream.DataOffset = 0; //mfxFrameAllocRequest DecRequest; //sts = UnsafeNativeMethods.MFXVideoDECODE_QueryIOSurf(session, &mfxDecParams, &DecRequest); //if (sts == mfxStatus.MFX_WRN_PARTIAL_ACCELERATION) sts = 0; //Trace.Assert(sts == mfxStatus.MFX_ERR_NONE); //allocate decoder frames via directx mfxFrameAllocResponse DecResponse = new mfxFrameAllocResponse(); if (decVideoMemOut) { DecRequest.NumFrameMin = DecRequest.NumFrameSuggested = (ushort)numSurfaces; fixed(mfxFrameAllocRequest *p = &DecRequest) videoAccelerationSupport.AllocFrames(p, &DecResponse); } //allocate vpp frames via directx mfxFrameAllocResponse EncResponse = new mfxFrameAllocResponse(); if (vppVideoMemOut) { VPPRequest[1].NumFrameMin = VPPRequest[1].NumFrameSuggested = (ushort)nSurfNumVPPOut; fixed(mfxFrameAllocRequest *p = &VPPRequest[1]) videoAccelerationSupport.AllocFrames(p, &EncResponse); } // Allocate surfaces for decoder // - Width and height of buffer must be aligned, a multiple of 32 // - Frame surface array keeps pointers all surface planes and general frame info UInt16 width = (UInt16)QuickSyncStatic.ALIGN32(DecRequest.Info.Width); UInt16 height = (UInt16)QuickSyncStatic.ALIGN32(DecRequest.Info.Height); int bitsPerPixel = VideoUtility.GetBitsPerPixel(mfxDecParams.mfx.FrameInfo.FourCC); int surfaceSize = width * height * bitsPerPixel / 8; //byte[] surfaceBuffers = new byte[surfaceSize * numSurfaces]; //XXX if (!decVideoMemOut) { surfaceBuffers = Marshal.AllocHGlobal(surfaceSize * numSurfaces); } // // Allocate surface headers (mfxFrameSurface1) for decoder pmfxSurfaces = new mfxFrameSurface1[numSurfaces]; pinningHandles.Add(GCHandle.Alloc(pmfxSurfaces, GCHandleType.Pinned)); //MSDK_CHECK_POINTER(pmfxSurfaces, MFX_ERR_MEMORY_ALLOC); for (int i = 0; i < numSurfaces; i++) { pmfxSurfaces[i] = new mfxFrameSurface1(); pmfxSurfaces[i].Info = mfxDecParams.mfx.FrameInfo; if (!decVideoMemOut) { switch (mfxDecParams.mfx.FrameInfo.FourCC) { case FourCC.NV12: pmfxSurfaces[i].Data.Y_ptr = (byte *)surfaceBuffers + i * surfaceSize; pmfxSurfaces[i].Data.U_ptr = pmfxSurfaces[i].Data.Y_ptr + width * height; pmfxSurfaces[i].Data.V_ptr = pmfxSurfaces[i].Data.U_ptr + 1; pmfxSurfaces[i].Data.Pitch = width; break; case FourCC.YUY2: pmfxSurfaces[i].Data.Y_ptr = (byte *)surfaceBuffers + i * surfaceSize; pmfxSurfaces[i].Data.U_ptr = pmfxSurfaces[i].Data.Y_ptr + 1; pmfxSurfaces[i].Data.V_ptr = pmfxSurfaces[i].Data.U_ptr + 3; pmfxSurfaces[i].Data.Pitch = (ushort)(width * 2); break; default: //find sysmem_allocator.cpp for more help throw new NotImplementedException(); } } else { pmfxSurfaces[i].Data.MemId = DecResponse.mids_ptr[i]; // MID (memory id) represent one D3D NV12 surface } } if (enableVPP) { UInt16 width2 = (UInt16)QuickSyncStatic.ALIGN32(VPPRequest[1].Info.CropW); UInt16 height2 = (UInt16)QuickSyncStatic.ALIGN32(VPPRequest[1].Info.CropH); int bitsPerPixel2 = VideoUtility.GetBitsPerPixel(VPPParams.vpp.Out.FourCC); // NV12 format is a 12 bits per pixel format int surfaceSize2 = width2 * height2 * bitsPerPixel2 / 8; int pitch2 = width2 * bitsPerPixel2 / 8; if (!vppVideoMemOut) { surfaceBuffers2 = Marshal.AllocHGlobal(surfaceSize2 * nSurfNumVPPOut); } pmfxSurfaces2 = new mfxFrameSurface1[nSurfNumVPPOut]; pinningHandles.Add(GCHandle.Alloc(pmfxSurfaces2, GCHandleType.Pinned)); //MSDK_CHECK_POINTER(pmfxSurfaces, MFX_ERR_MEMORY_ALLOC); for (int i = 0; i < nSurfNumVPPOut; i++) { pmfxSurfaces2[i] = new mfxFrameSurface1(); pmfxSurfaces2[i].Info = VPPParams.vpp.Out; if (!vppVideoMemOut) { pmfxSurfaces2[i].Data.Pitch = (ushort)pitch2; switch (VPPParams.vpp.Out.FourCC) { case FourCC.NV12: pmfxSurfaces2[i].Data.Y_ptr = (byte *)surfaceBuffers2 + i * surfaceSize2; pmfxSurfaces2[i].Data.U_ptr = pmfxSurfaces2[i].Data.Y_ptr + width * height; pmfxSurfaces2[i].Data.V_ptr = pmfxSurfaces2[i].Data.U_ptr + 1; break; case FourCC.RGB4: pmfxSurfaces2[i].Data.B_ptr = (byte *)surfaceBuffers2 + i * surfaceSize2; pmfxSurfaces2[i].Data.G_ptr = (byte *)surfaceBuffers2 + i * surfaceSize2 + 1; pmfxSurfaces2[i].Data.R_ptr = (byte *)surfaceBuffers2 + i * surfaceSize2 + 2; // pmfxSurfaces2[i].Data.A_ptr = (byte*)surfaceBuffers2 + i * surfaceSize2+3; // pmfxSurfaces2[i].Data. = pmfxSurfaces2[i].Data.Y_ptr + width * height; // pmfxSurfaces2[i].Data.V_ptr = pmfxSurfaces2[i].Data.U_ptr + 1; break; default: break; } } else { pmfxSurfaces2[i].Data.MemId = EncResponse.mids_ptr[i]; // MID (memory id) represent one D3D NV12 surface } } } sts = UnsafeNativeMethods.MFXVideoDECODE_Init(session, &mfxDecParams); if (sts == mfxStatus.MFX_WRN_PARTIAL_ACCELERATION) { sts = 0; } QuickSyncStatic.ThrowOnBadStatus(sts, "MFXVideoDECODE_Init"); if (enableVPP) { sts = UnsafeNativeMethods.MFXVideoVPP_Init(session, &VPPParams); if (sts == mfxStatus.MFX_WRN_PARTIAL_ACCELERATION) { sts = 0; } QuickSyncStatic.ThrowOnBadStatus(sts, "MFXVideoVPP_Init"); } }
/// <summary>Initializes a new instance of the <see cref="LowLevelTranscoderCSharp"/> class.</summary> /// <param name="config">The configuration.</param> /// <param name="impl">The implementation.</param> /// <param name="forceSystemMemory">if set to <c>true</c> [force system memory].</param> public LowLevelTranscoderCSharp(TranscoderConfiguration config, mfxIMPL impl = mfxIMPL.MFX_IMPL_AUTO, bool forceSystemMemory = false) { mfxStatus sts; mfxVideoParam mfxDecParams = config.decParams; mfxVideoParam mfxVPPParams = config.vppParams; mfxVideoParam mfxEncParams = config.encParams; session = new mfxSession(); var ver = new mfxVersion() { Major = 1, Minor = 3 }; fixed(mfxSession *s = &session) sts = UnsafeNativeMethods.MFXInit(impl, &ver, s); QuickSyncStatic.ThrowOnBadStatus(sts, "MFXInit"); //deviceSetup = new DeviceSetup(session, forceSystemMemory); // mfxVideoParam mfxDecParams = new mfxVideoParam(); // mfxDecParams.mfx.CodecId = CodecId.MFX_CODEC_AVC; int bufsize = (int)1e6; mfxBS = (mfxBitstream *)MyAllocHGlobalAndZero(sizeof(mfxBitstream)); mfxBS->Data = MyAllocHGlobalAndZero(bufsize); mfxBS->DataLength = (uint)0; mfxBS->MaxLength = (uint)bufsize; mfxBS->DataOffset = 0; int outwidth = mfxDecParams.mfx.FrameInfo.CropW; int outheight = mfxDecParams.mfx.FrameInfo.CropH; // Query number of required surfaces for VPP //mfxFrameAllocRequest[] VPPRequest = new mfxFrameAllocRequest[2]; // [0] - in, [1] - out TwoMfxFrameAllocRequest VPPRequest; sts = UnsafeNativeMethods.MFXVideoVPP_QueryIOSurf(session, &mfxVPPParams, (mfxFrameAllocRequest *)&VPPRequest); if (sts == mfxStatus.MFX_WRN_PARTIAL_ACCELERATION) { warnings.Add(nameof(UnsafeNativeMethods.MFXVideoVPP_QueryIOSurf), sts); sts = 0; } QuickSyncStatic.ThrowOnBadStatus(sts, "vpp.queryiosurf"); // Query number required surfaces for dec mfxFrameAllocRequest DecRequest; sts = UnsafeNativeMethods.MFXVideoDECODE_QueryIOSurf(session, &mfxDecParams, &DecRequest); if (sts == mfxStatus.MFX_WRN_PARTIAL_ACCELERATION) { warnings.Add(nameof(UnsafeNativeMethods.MFXVideoDECODE_QueryIOSurf), sts); sts = 0; } QuickSyncStatic.ThrowOnBadStatus(sts, nameof(UnsafeNativeMethods.MFXVideoDECODE_QueryIOSurf)); // Query number of required surfaces for enc mfxFrameAllocRequest EncRequest = new mfxFrameAllocRequest(); sts = UnsafeNativeMethods.MFXVideoENCODE_QueryIOSurf(session, &mfxEncParams, &EncRequest); if (sts == mfxStatus.MFX_WRN_PARTIAL_ACCELERATION) { warnings.Add(nameof(UnsafeNativeMethods.MFXVideoENCODE_QueryIOSurf), sts); sts = 0; } QuickSyncStatic.ThrowOnBadStatus(sts, nameof(UnsafeNativeMethods.MFXVideoENCODE_QueryIOSurf)); // Determine the required number of surfaces for decoder output (VPP input) and for VPP output (encoder input) nSurfNumDecVPP = DecRequest.NumFrameSuggested + VPPRequest.In.NumFrameSuggested + mfxVPPParams.AsyncDepth; nSurfNumVPPEnc = EncRequest.NumFrameSuggested + VPPRequest.Out.NumFrameSuggested + mfxVPPParams.AsyncDepth; { Trace.Assert((mfxEncParams.IOPattern & IOPattern.MFX_IOPATTERN_IN_SYSTEM_MEMORY) != 0); Trace.Assert((mfxDecParams.IOPattern & IOPattern.MFX_IOPATTERN_OUT_SYSTEM_MEMORY) != 0); UInt16 width = (UInt16)QuickSyncStatic.ALIGN32(DecRequest.Info.Width); UInt16 height = (UInt16)QuickSyncStatic.ALIGN32(DecRequest.Info.Height); int bitsPerPixel = 12; int surfaceSize = width * height * bitsPerPixel / 8; var decVppSurfaceBuffers = Marshal.AllocHGlobal(surfaceSize * nSurfNumDecVPP); var vppEncSurfaceBuffers = Marshal.AllocHGlobal(surfaceSize * nSurfNumVPPEnc); pSurfaces = (mfxFrameSurface1 *)MyAllocHGlobalAndZero(sizeof(mfxFrameSurface1) * nSurfNumDecVPP); pSurfaces2 = (mfxFrameSurface1 *)MyAllocHGlobalAndZero(sizeof(mfxFrameSurface1) * nSurfNumVPPEnc); for (int i = 0; i < nSurfNumDecVPP; i++) { pSurfaces[i] = new mfxFrameSurface1(); pSurfaces[i].Info = DecRequest.Info; pSurfaces[i].Data.Y_ptr = (byte *)decVppSurfaceBuffers + i * surfaceSize; pSurfaces[i].Data.U_ptr = pSurfaces[i].Data.Y_ptr + width * height; pSurfaces[i].Data.V_ptr = pSurfaces[i].Data.U_ptr + 1; pSurfaces[i].Data.Pitch = width; } for (int i = 0; i < nSurfNumVPPEnc; i++) { pSurfaces2[i] = new mfxFrameSurface1(); pSurfaces2[i].Info = EncRequest.Info; pSurfaces2[i].Data.Y_ptr = (byte *)vppEncSurfaceBuffers + i * surfaceSize; pSurfaces2[i].Data.U_ptr = pSurfaces2[i].Data.Y_ptr + width * height; pSurfaces2[i].Data.V_ptr = pSurfaces2[i].Data.U_ptr + 1; pSurfaces2[i].Data.Pitch = width; } } sts = UnsafeNativeMethods.MFXVideoDECODE_Init(session, &mfxDecParams); if (sts == mfxStatus.MFX_WRN_PARTIAL_ACCELERATION) { warnings.Add(nameof(UnsafeNativeMethods.MFXVideoDECODE_Init), sts); sts = 0; } QuickSyncStatic.ThrowOnBadStatus(sts, "decode.init"); sts = UnsafeNativeMethods.MFXVideoENCODE_Init(session, &mfxEncParams); if (sts == mfxStatus.MFX_WRN_PARTIAL_ACCELERATION) { warnings.Add(nameof(UnsafeNativeMethods.MFXVideoENCODE_Init), sts); sts = 0; } QuickSyncStatic.ThrowOnBadStatus(sts, "encode.init"); sts = UnsafeNativeMethods.MFXVideoVPP_Init(session, &mfxVPPParams); if (sts == mfxStatus.MFX_WRN_PARTIAL_ACCELERATION) { warnings.Add(nameof(UnsafeNativeMethods.MFXVideoVPP_Init), sts); sts = 0; } QuickSyncStatic.ThrowOnBadStatus(sts, "vpp.init"); //mfxExtVPPDoNotUse zz; //zz.Header.BufferId = BufferId.MFX_EXTBUFF_VPP_DONOTUSE; //zz.Header.BufferSz = (uint)sizeof(mfxExtVPPDoUse); //mfxExtBuffer** pExtParamsVPPx = stackalloc mfxExtBuffer*[1]; //pExtParamsVPPx[0] = (mfxExtBuffer*)&zz; //var t1 = stackalloc uint[100]; //zz.AlgList = t1; //zz.NumAlg = 100; //mfxVideoParam par; //par.ExtParam = pExtParamsVPPx; //par.NumExtParam = 1; //sts = UnsafeNativeMethods.MFXVideoVPP_GetVideoParam(session, &par); //Trace.Assert(sts == mfxStatus.MFX_ERR_NONE); //Console.WriteLine(zz.NumAlg); //for (int i = 0; i < 10; i++) //{ // Console.WriteLine((BufferId)t1[i]); //} mfxVideoParam par; // Retrieve video parameters selected by encoder. // - BufferSizeInKB parameter is required to set bit stream buffer size par = new mfxVideoParam(); sts = UnsafeNativeMethods.MFXVideoENCODE_GetVideoParam(session, &par); QuickSyncStatic.ThrowOnBadStatus(sts, "enc.getvideoparams"); // Create task pool to improve asynchronous performance (greater GPU utilization) taskPoolSize = mfxEncParams.AsyncDepth; // number of tasks that can be submitted, before synchronizing is required // Task* pTasks = stackalloc Task[taskPoolSize]; pTasks = (Task *)MyAllocHGlobalAndZero(sizeof(Task) * taskPoolSize); // GCHandle gch3 = GCHandle.Alloc(pTasks, GCHandleType.Pinned); for (int i = 0; i < taskPoolSize; i++) { // Prepare Media SDK bit stream buffer pTasks[i].mfxBS.MaxLength = (uint)(par.mfx.BufferSizeInKB * 1000); pTasks[i].mfxBS.Data = MyAllocHGlobalAndZero((int)pTasks[i].mfxBS.MaxLength); Trace.Assert(pTasks[i].mfxBS.Data != IntPtr.Zero); } // GCHandle gch3 = GCHandle.Alloc(pTasks, GCHandleType.Pinned); }