private void SendVideoFrame(Bitmap frame)
{
var bitmapData = frame.LockBits(new Rectangle(0, 0, frame.Width, frame.Height), ImageLockMode.ReadOnly, frame.PixelFormat);
byte[] bytes = new byte[bitmapData.Stride * frame.Height];
Marshal.Copy(bitmapData.Scan0, bytes, 0, bytes.Length);
try
{
VpxImage img = VpxImage.Create(VpxImageFormat.VPX_IMG_FMT_I420, (ushort)frame.Width, (ushort)frame.Height, 1);
byte[] dest = new byte[frame.Width * frame.Height * 4];
VpxHelper.RgbToYuv420(img, bytes, (ushort)frame.Width, (ushort)frame.Height);
int length = toxav.PrepareVideoFrame(CallIndex, dest, (IntPtr)img.Pointer);
img.Free();
if (length > 0)
{
byte[] bytesToSend = new byte[length];
Array.Copy(dest, bytesToSend, length);
ToxAvError error = toxav.SendVideo(CallIndex, bytesToSend);
if (error != ToxAvError.None)
{
Debug.WriteLine(string.Format("Could not send video frame: {0}, {1}", error, length));
}
}
else
{
Debug.WriteLine(string.Format("Could not prepare frame: {0}", (ToxAvError)length));
}
}
catch
{
Debug.WriteLine(string.Format("Could not convert frame"));
}
frame.Dispose();
}