Example #1
0
        public void Close()
        {
            logger.Debug("VideoEncoder::Close()");

            if (encoder != null)
            {
                encoder.DataEncoded -= Encoder_DataEncoded;
                encoder.Stop();
                //encoder.Close();
            }

            if (device != null)
            {
                device.Dispose();
                device = null;
            }

            if (processor != null)
            {
                processor.Close();
                processor = null;
            }

            if (bufTexture != null)
            {
                bufTexture.Dispose();
                bufTexture = null;
            }
        }
Example #2
0
        public void Open(VideoEncoderSettings encoderSettings)
        {
            logger.Debug("VideoEncoder::Setup(...)");

            //var hwContext = videoSource.hwContext;
            // var hwDevice = hwContext.Device3D11;

            var hwBuffer = videoSource.SharedTexture;

            var hwDescr = hwBuffer.Description;

            var srcSize   = new Size(hwDescr.Width, hwDescr.Height);
            var srcFormat = MfTool.GetVideoFormatGuidFromDXGIFormat(hwDescr.Format);

            var destSize = encoderSettings.Resolution;            //new Size(destParams.Width, destParams.Height);

            var adapterId = videoSource.AdapterId;

            using (var adapter = DxTool.FindAdapter1(adapterId))
            {
                var descr        = adapter.Description;
                int adapterVenId = descr.VendorId;

                logger.Info("Adapter: " + descr.Description + " " + adapterVenId);

                var flags = DeviceCreationFlags.VideoSupport |
                            DeviceCreationFlags.BgraSupport;
                //DeviceCreationFlags.Debug;

                device = new SharpDX.Direct3D11.Device(adapter, flags);
                using (var multiThread = device.QueryInterface <SharpDX.Direct3D11.Multithread>())
                {
                    multiThread.SetMultithreadProtected(true);
                }
            }
            var profile = MfTool.GetMfH264Profile(encoderSettings.Profile);

            var bitrateMode = MfTool.GetMfBitrateMode(encoderSettings.BitrateMode);

            var aspectRatio = encoderSettings.AspectRatio;
            var encArgs     = new MfVideoArgs
            {
                Width  = destSize.Width,                //srcSize.Width,
                Height = destSize.Height,               //srcSize.Height,
                Format = VideoFormatGuids.NV12,         //VideoFormatGuids.Argb32,

                FrameRate = MfTool.PackToLong(encoderSettings.FrameRate),

                MaxBitrate  = encoderSettings.MaxBitrate * 1000, //kbps->bps
                AvgBitrate  = encoderSettings.Bitrate * 1000,
                LowLatency  = encoderSettings.LowLatency,
                AdapterId   = videoSource.AdapterId,
                Profile     = profile,
                BitrateMode = bitrateMode,
                GopSize     = encoderSettings.GOPSize,
                Quality     = encoderSettings.Quality,

                EncoderId = encoderSettings.EncoderId,

                AspectRatio = MfTool.PackToLong(aspectRatio)
            };



            processor = new MfVideoProcessor(device);
            var inProcArgs = new MfVideoArgs
            {
                Width  = srcSize.Width,
                Height = srcSize.Height,
                Format = srcFormat,                 //SharpDX.MediaFoundation.VideoFormatGuids.Argb32,
            };

            var outProcArgs = new MfVideoArgs
            {
                Width  = encArgs.Width,
                Height = encArgs.Height,
                Format = encArgs.Format,                 //VideoFormatGuids.NV12,//.Argb32,
            };

            processor.Setup(inProcArgs, outProcArgs);


            bufTexture = new Texture2D(device,
                                       new Texture2DDescription
            {
                // Format = Format.NV12,
                Format            = hwDescr.Format,             //SharpDX.DXGI.Format.B8G8R8A8_UNorm,
                Width             = srcSize.Width,
                Height            = srcSize.Height,
                MipLevels         = 1,
                ArraySize         = 1,
                SampleDescription = { Count = 1 },
            });

            processor?.Start();

            var encoderName = encoderSettings.EncoderId;

            if (encoderName == "libx264" || encoderName == "h264_nvenc")
            {
                encoder = new MfFFMpegVideoEncoder();
            }
            else
            {
                encoder = new MfH264EncoderEx(device);
            }

            encoder.Setup(encArgs);

            encoder.DataEncoded += Encoder_DataEncoded;

            ////encoder.DataReady += MfEncoder_DataReady;
            encoder.Start();
        }