/// <summary>
/// Convert to video frame to <paramref name="dstFormat"/> after Mat.ToImage<Bgr, byte>"
/// </summary>
/// <param name="mat"></param>
/// <param name="dstFormat">video frame format</param>
/// <returns></returns>
public static VideoFrame ToVideoFrame(this Mat mat, AVPixelFormat dstFormat = AVPixelFormat.AV_PIX_FMT_BGR24)
{
if (dstFormat != AVPixelFormat.AV_PIX_FMT_BGR24)
{
using (PixelConverter converter = new PixelConverter(dstFormat, mat.Width, mat.Height))
{
return(converter.ConvertFrame(MatToVideoFrame(mat)));
}
}
return(MatToVideoFrame(mat));
}
/// <summary>
/// convert to <see cref="PixelFormat.Format32bppArgb"/> or <see cref="PixelFormat.Format24bppRgb"/> bitmap
/// </summary>
/// <param name="frame"></param>
/// <returns></returns>
public static Bitmap ToBitmap(this VideoFrame frame)
{
if ((AVPixelFormat)frame.AVFrame.format == AVPixelFormat.AV_PIX_FMT_BGRA || (AVPixelFormat)frame.AVFrame.format == AVPixelFormat.AV_PIX_FMT_BGR24)
{
return(BgraToBitmap(frame));
}
using (VideoFrame dstFrame = new VideoFrame(frame.AVFrame.width, frame.AVFrame.height, AVPixelFormat.AV_PIX_FMT_BGRA))
using (PixelConverter converter = new PixelConverter(dstFrame))
{
return(BgraToBitmap(converter.ConvertFrame(frame)));
}
}
private static Mat VideoFrameToMat(VideoFrame frame)
{
if ((AVPixelFormat)frame.AVFrame.format != AVPixelFormat.AV_PIX_FMT_BGRA)
{
using (VideoFrame dstFrame = new VideoFrame(frame.AVFrame.width, frame.AVFrame.height, AVPixelFormat.AV_PIX_FMT_BGRA))
using (PixelConverter converter = new PixelConverter(dstFrame))
{
return(BgraToMat(converter.ConvertFrame(frame)));
}
}
return(BgraToMat(frame));
}
