Add VisioForge.Shared assembly reference to your application.
Implement OnVideoFrameBuffer event.
Sample code for Media Player SDK .Net Main Demo.
private IntPtr tempBuffer = IntPtr.Zero; IntPtr tmpZoomFrameBuffer = IntPtr.Zero; private int tmpZoomFrameBufferSize = 0; private void MediaPlayer1_OnVideoFrameBuffer(object sender, VideoFrameBufferEventArgs e) { if (tempBuffer == IntPtr.Zero) { tempBuffer = Marshal.AllocCoTaskMem(e.Frame.DataSize); } const double zoom = 2.0; VisioForge.Shared.MFP.MFP.EffectZoom( e.Frame.Data, e.Frame.Width, e.Frame.Height, tempBuffer, zoom, zoom, 0, 0, tmpZoomFrameBuffer, ref tmpZoomFrameBufferSize); if (tmpZoomFrameBufferSize > 0 && tmpZoomFrameBuffer == IntPtr.Zero) { tmpZoomFrameBuffer = Marshal.AllocCoTaskMem(tmpZoomFrameBufferSize); return; } VisioForge.Shared.MFP.MFP.CopyMemory(tempBuffer, e.Frame.Data, e.Frame.DataSize); }