/// <summary>
/// Record a video for 5 seconds and store it as c:\temp\example.mp4
/// </summary>
/// <param name="args"></param>
static void Main(string[] args)
{
// Install-Package Emgu.CV
// Install-Package Emgu.CV.runtime.windows
// Install-Package FFMediaToolkit
// Install-Package DirectShowLib
var camIndex = SelectCameraIndex();
_captureDevice = new VideoCapture(camIndex, VideoCapture.API.DShow)
{
FlipVertical = true
};
_captureDevice.ImageGrabbed += CaptureDeviceImageGrabbed;
var settings = new VideoEncoderSettings(width:
_captureDevice.Width
, height: _captureDevice.Height
, framerate: 15
, codec: VideoCodec.H264)
{
EncoderPreset = EncoderPreset.Fast,
CRF = 17 // Constant Rate Factor
};
// Download from https://github.com/BtbN/FFmpeg-Builds/releases
FFmpegLoader.FFmpegPath =
@"C:\Users\fiach\source\repos\Webcam\FFmpeg\";
_videoOutput = MediaBuilder.CreateContainer(@"c:\temp\example.mp4").WithVideo(settings).Create();
_captureDevice.Start();
Thread.Sleep(TimeSpan.FromSeconds(5));
_captureDevice.Stop();
_captureDevice.Dispose();
_videoOutput.Dispose();
}
/// <summary>
/// Stops video recording
/// </summary>
public void StopRecording()
{
_videoCaptureDevice.SignalToStop();
_dispatcherTimer.Stop();
var settings = new VideoEncoderSettings(width: _width, height: _height, framerate: 1, codec: VideoCodec.H264);
settings.EncoderPreset = EncoderPreset.Fast;
settings.CRF = 17;
using (var file = MediaBuilder.CreateContainer(_filePath + "\\videoCapture.mp4").WithVideo(settings).Create())
{
foreach (var bitmap in _frames)
{
file.Video.AddFrame(ToImageData(Convert(bitmap)));
}
}
}
