static void Main(string[] args)
{
Compressor[] comp = EnumCompressors();
foreach (Compressor c in comp)
{
Console.WriteLine(c.name);
}
Console.WriteLine("---");
// create BitmapWriter component and configure it
IBitmapWriter writer = (IBitmapWriter) new CVideoRecorder();
writer.Init(100, 100, 5);
// create DirectShow graph builder
ICaptureGraphBuilder2 builder = (ICaptureGraphBuilder2) new CaptureGraphBuilder2Cls();
// create AVIMux and file writer component
IBaseFilter pMux;
IFileSinkFilter unused;
builder.SetOutputFileName(ref MEDIASUBTYPE_Avi, "test.avi", out pMux, out unused);
IGraphBuilder graph;
builder.GetFiltergraph(out graph);
// add BitmapWriter as the source component
graph.AddFilter((IBaseFilter)writer, "source");
// if the compressor is specified, add it
IBaseFilter compressor = null;
if (args.Length != 0)
{
compressor = comp[int.Parse(args[0])].compressor;
graph.AddFilter(compressor, "compressor");
}
// connect components
builder.RenderStream(IntPtr.Zero, IntPtr.Zero, writer, compressor, pMux);
// run the graph and send images
IMediaControl control = (IMediaControl)graph;
control.Run();
for (int i = 0; i < 10; i++)
{
Bitmap bmp = new Bitmap(@"..\..\test" + (i % 2) + ".bmp");
IntPtr hBmp = bmp.GetHbitmap();
writer.WriteBitmap((uint)hBmp.ToInt32());
DeleteObject(hBmp);
bmp.Dispose();
}
// stop the graph and flash any pending data throught the pipeline
control.Stop();
Console.WriteLine("done");
}
/// <summary>
/// Captures the current frame.
/// </summary>
private void capture()
{
if (currentState != State.Recording)
{
return; // don't do this unless we are actually recording.
}
Debug.WriteLine("capturing video frame");
using (Bitmap bmp = drawer.createBitmap()) {
IntPtr hBmp = bmp.GetHbitmap();
writer.WriteBitmap((uint)hBmp.ToInt32());
DeleteObject(hBmp);
}
}