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;
}
}
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();
}
