unsafe static void Main(string[] args) { ConfirmQuickSyncReadiness.HaltIfNotReady(); if (Environment.OSVersion.Platform != PlatformID.Win32NT) { throw new Exception("DirectX sample only works on Windows"); } Environment.CurrentDirectory = AppDomain.CurrentDomain.BaseDirectory; // keep ascending directories until 'media' folder is found for (int i = 0; i < 10 && !Directory.Exists("Media"); i++) { Directory.SetCurrentDirectory(".."); } Directory.SetCurrentDirectory("Media"); string fn; fn = @"BigBuckBunny_320x180.264"; //fn = @"C:\w\BigBuckBunny_1920x1080.264"; //fn = @"C:\w\bbb_sunflower_2160p_30fps_normal_track1.h264"; var s = File.Open(fn, FileMode.Open, FileAccess.Read, FileShare.ReadWrite); var buf = new byte[1000]; int n = s.Read(buf, 0, buf.Length); s.Position = 0; Trace.Assert(n == buf.Length); var decVideoParam = QuickSyncStatic.DecodeHeader(buf, CodecId.MFX_CODEC_AVC); mfxVideoParam vppVideoParam = new mfxVideoParam();// = SetupVPPConfiguration(decVideoParam.mfx.FrameInfo.CropW, decVideoParam.mfx.FrameInfo.CropH); vppVideoParam.vpp.In = decVideoParam.mfx.FrameInfo; vppVideoParam.vpp.Out = decVideoParam.mfx.FrameInfo; decVideoParam.IOPattern = IOPattern.MFX_IOPATTERN_OUT_SYSTEM_MEMORY; vppVideoParam.IOPattern = IOPattern.MFX_IOPATTERN_IN_SYSTEM_MEMORY; vppVideoParam.IOPattern |= useSystemMemoryNotVideoMemory ? IOPattern.MFX_IOPATTERN_OUT_SYSTEM_MEMORY : IOPattern.MFX_IOPATTERN_OUT_VIDEO_MEMORY; int vppOutWidth; int vppOutHeight; Console.WriteLine($"Bitstream -- width {0} height {1}", decVideoParam.mfx.FrameInfo.CropW, decVideoParam.mfx.FrameInfo.CropH); // vppOutWidth = 1920; // vppOutHeight = 1080; bool doResize = true; if (doResize) { } else { } vppOutWidth = decVideoParam.mfx.FrameInfo.CropW; // HxW of actual bitstream vppOutHeight = decVideoParam.mfx.FrameInfo.CropH; //resizing setup vppOutWidth = decVideoParam.mfx.FrameInfo.CropW / 4; vppOutHeight = decVideoParam.mfx.FrameInfo.CropH / 4; Console.WriteLine($"VPP output -- width {0} height {1}", vppOutWidth, vppOutHeight); vppVideoParam.vpp.Out.FourCC = FourCC.RGB4; vppVideoParam.vpp.Out.CropW = (ushort)(vppOutWidth); vppVideoParam.vpp.Out.CropH = (ushort)(vppOutHeight); var form = new SharpDX.Windows.RenderForm(); form.Width = vppOutWidth; form.Height = vppOutHeight; // use resized HxW form.Width = decVideoParam.mfx.FrameInfo.CropW; form.Height = decVideoParam.mfx.FrameInfo.CropH; // use original HxW Console.WriteLine($"vppOutWidth {vppOutWidth} vppOutHeight {vppOutHeight}"); Console.WriteLine($"form.Width {form.Width} form.Height {form.Height}"); var impl = mfxIMPL.MFX_IMPL_VIA_D3D11 | mfxIMPL.MFX_IMPL_HARDWARE; var decoder = new StreamDecoder(s, decVideoParam, vppVideoParam, impl); //string impltext = QuickSyncStatic.ImplementationString(decoder.lowLevelDecoder.session); //Console.WriteLine("Implementation = {0}", impltext); //string memtext = QuickSyncStatic.ImplementationString(decoder.lowLevelDecoder.deviceSetup.memType); //Console.WriteLine("Memory type = {0}", memtext); if (useSystemMemoryNotVideoMemory) { device = new SharpDX.Direct3D11.Device(DriverType.Hardware); } else { IntPtr dx11device = decoder.lowLevelDecoder.videoAccelerationSupport.DeviceGetHandle(mfxHandleType.MFX_HANDLE_D3D11_DEVICE); device = new SharpDX.Direct3D11.Device(dx11device); } var fps = new FPSCounter(); var sd = new SwapChainDescription() { BufferCount = 1, ModeDescription = new ModeDescription(vppOutWidth, vppOutHeight, new Rational(60, 1), Format.B8G8R8A8_UNorm), IsWindowed = true, OutputHandle = form.Handle, SampleDescription = new SampleDescription(1, 0), SwapEffect = SwapEffect.Discard, Usage = Usage.RenderTargetOutput, Flags = SwapChainFlags.None }; var a = device.QueryInterface <SharpDX.DXGI.Device>(); var b = a.Adapter.QueryInterface <Adapter2>(); var c = b.GetParent <Factory2>(); swapChain = new SwapChain(c, device, sd); var enumerator = decoder.GetFrames().GetEnumerator(); RenderLoop.Run(form, () => { enumerator.MoveNext(); RenderFrameX(decoder, enumerator.Current); fps.PrintFPS(); }); swapChain.Dispose(); device.Dispose(); }
static public void Main() { ConfirmQuickSyncReadiness.HaltIfNotReady(); Environment.CurrentDirectory = AppDomain.CurrentDomain.BaseDirectory; // keep ascending directories until 'media' folder is found for (int i = 0; i < 10 && !Directory.Exists("Media"); i++) { Directory.SetCurrentDirectory(".."); } Directory.SetCurrentDirectory("Media"); mfxIMPL impl = mfxIMPL.MFX_IMPL_AUTO; //automatic GPU/CPU mode CodecId codecId = CodecId.MFX_CODEC_AVC; // avc fourcc supported: RGB3 RGB4 BGR4 BGR3 NV12 I420 IYUV YUY2 UYVY YV12 P411 P422 FourCC fourcc = FourCC.NV12; string fourccString = fourcc.ToString().Substring(0, 4); string inFilename; inFilename = "BigBuckBunny_320x180.264"; //inFilename = "BigBuckBunny_1920x1080.264"; //inFilename = "BigBuckBunny_3840x2160.264"; string outFilename = Path.ChangeExtension(inFilename, fourccString + ".yuv"); Console.WriteLine("Working directory: {0}", Environment.CurrentDirectory); Console.WriteLine("Input filename: {0}", inFilename); Console.WriteLine(); if (!File.Exists(inFilename)) { Console.WriteLine("Input file not found. Press any key to exit."); Console.ReadKey(); return; } Stream infs, outfs; BenchmarkTimer bt = null; #if !ENABLE_BENCHMARK infs = File.Open(inFilename, FileMode.Open); outfs = File.Open(outFilename, FileMode.Create); #else // delete this code for most simple example // * Benchmark Mode * // this block does a couple things: // 1. causes the file to be pre-read into memory so we are not timing disk reads. // 2. replaces the output stream with a NullStream so nothing gets written to disk. // 3. Starts the timer for benchmarking // this pre-reads file into memory for benchmarking // maximumMemoryToAllocate = (long)4L * 1024 * 1024 * 1024; Console.WriteLine("Pre-reading input"); infs = new PreReadLargeMemoryStream(File.Open(inFilename, FileMode.Open)); Console.WriteLine("Input read"); outfs = new NullStream(); bt = new BenchmarkTimer(); bt.Start(); //int minimumFrames = 4000; #endif Console.WriteLine("Output filename: {0}", Path.GetFileName((outfs as FileStream)?.Name ?? "NO OUTPUT")); Console.WriteLine(); var outIOPattern = IOPattern.MFX_IOPATTERN_OUT_SYSTEM_MEMORY; mfxVideoParam decoderParameters = QuickSyncStatic.ReadFileHeaderInfo(codecId, impl, infs, outIOPattern); decoderParameters.mfx.FrameInfo.FourCC = fourcc; var decoder = new StreamDecoder(infs, CodecId.MFX_CODEC_AVC, impl, outIOPattern); string impltext = QuickSyncStatic.ImplementationString(decoder.lowLevelDecoder.session); Console.WriteLine("Implementation = {0}", impltext); var formatConverter = new NV12ToXXXXConverter(fourcc, decoder.width, decoder.height); int count = 0; foreach (var frame in decoder.GetFrames()) { var frameBytes = formatConverter.ConvertFromNV12(frame.Data); // Convert to format requested outfs.Write(frameBytes, 0, frameBytes.Length); if (++count % 100 == 0) { Console.Write("Frame {0}\r", count); } } Console.WriteLine("Decoded {0} frames", count); Console.WriteLine(); if (bt != null) { bt.StopAndReport(count, infs.Position, outfs.Position); } infs.Close(); outfs.Close(); // make sure program always waits for user, except F5-Release run if (!UnitTest.IsRunning && Debugger.IsAttached || Environment.GetEnvironmentVariable("VisualStudioVersion") == null) { Console.WriteLine("done - press a key to exit"); Console.ReadKey(); } }
unsafe static void Main(string[] args) { ConfirmQuickSyncReadiness.HaltIfNotReady(); Environment.CurrentDirectory = AppDomain.CurrentDomain.BaseDirectory; // keep ascending directories until 'media' folder is found for (int i = 0; i < 10 && !Directory.Exists("Media"); i++) { Directory.SetCurrentDirectory(".."); } Directory.SetCurrentDirectory("Media"); CodecId codecId = CodecId.MFX_CODEC_JPEG; FourCC fourcc = FourCC.UYVY; // supported: RGB4, YUY2 NV12 [UYVY through tricks! see below] mfxIMPL impl = mfxIMPL.MFX_IMPL_AUTO; string fourccString = fourcc.ToString().Substring(0, 4); string inFilename; //inFilename = "BigBuckBunny_320x180.UYVY.enc.jpeg"; inFilename = "BigBuckBunny_1920x1080.UYVY.enc.jpeg"; //inFilename = "BigBuckBunny_3840x2160.UYVY.enc.jpeg"; string outFilename = Path.ChangeExtension(inFilename, ".yuv"); Console.WriteLine("Working directory: {0}", Environment.CurrentDirectory); Console.WriteLine("Input filename: {0}", inFilename); Console.WriteLine(); if (!File.Exists(inFilename)) { Console.WriteLine("Input file not found. Press any key to exit."); Console.ReadKey(); return; } Stream infs, outfs; BenchmarkTimer bt = null; #if !ENABLE_BENCHMARK infs = File.Open(inFilename, FileMode.Open); outfs = File.Open(outFilename, FileMode.Create); #else // delete this code for most simple example // * Benchmark Mode * // this block does a couple things: // 1. causes the file to be pre-read into memory so we are not timing disk reads. // 2. replaces the output stream with a NullStream so nothing gets written to disk. // 3. Starts the timer for benchmarking // this pre-reads file into memory for benchmarking long maximumMemoryToAllocate = (long)4L * 1024 * 1024 * 1024; Console.WriteLine("Pre-reading input"); infs = new PreReadLargeMemoryStream(File.Open(inFilename, FileMode.Open), maximumMemoryToAllocate); Console.WriteLine("Input read"); outfs = new NullStream(); bt = new BenchmarkTimer(); bt.Start(); int minimumFrames = 4000; #endif Console.WriteLine("Output filename: {0}", Path.GetFileName((outfs as FileStream)?.Name ?? "NO OUTPUT")); Console.WriteLine(); var outIOPattern = IOPattern.MFX_IOPATTERN_OUT_SYSTEM_MEMORY; // The encoder cannot encode UYVY, but if you are the only decoder of the JPEG // files, you can encode UYVY as YUY2 and everything is good. if (fourcc == FourCC.UYVY) { fourcc = FourCC.YUY2; } mfxVideoParam decoderParameters = QuickSyncStatic.ReadFileHeaderInfo(codecId, impl, infs, outIOPattern); decoderParameters.mfx.FrameInfo.FourCC = fourcc; AssignChromaFormat(fourcc, ref decoderParameters); var decoder = new StreamDecoder(infs, decoderParameters, null, impl); #if ENABLE_BENCHMARK // delete this code for most simple example decoder.benchmarkNeverStopMode = true; #endif string impltext = QuickSyncStatic.ImplementationString(decoder.lowLevelDecoder.session); Console.WriteLine("Implementation = {0}", impltext); // not needed //var formatConverter = new NV12ToXXXXConverter(fourcc, decoder.width, decoder.height); int width = decoderParameters.mfx.FrameInfo.CropW; int height = decoderParameters.mfx.FrameInfo.CropH; var tmpbuf = new byte[width * height * 2]; int count = 0; foreach (var frame in decoder.GetFrames()) { //var frameBytes = formatConverter.ConvertFromNV12(frame.Data); // Convert to format requested Trace.Assert(frame.Data.Pitch == width * 2); // yuy2 only fixed(byte *aa = &tmpbuf[0]) FastMemcpyMemmove.memcpy((IntPtr)aa, frame.Data.Y, height * width * 2); outfs.Write(tmpbuf, 0, tmpbuf.Length); if (++count % 100 == 0) { Console.Write("Frame {0}\r", count); } #if ENABLE_BENCHMARK // delete this code for most simple example if (count > minimumFrames) { break; } #endif } if (bt != null) { bt.StopAndReport(count, infs.Position, outfs.Position); } infs.Close(); outfs.Close(); Console.WriteLine("Decoded {0} frames", count); // make sure program always waits for user, except F5-Release run if (Debugger.IsAttached || Environment.GetEnvironmentVariable("VisualStudioVersion") == null) { Console.WriteLine("done - press a key to exit"); Console.ReadKey(); } }