[gstreamer-bugs] [Bug 584744] Add libgstvideo bindings

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gst-sharp | Ver: git




------- Comment #1 from Maarten Bosmans  2009-06-03 17:02 UTC -------
Created an attachment (id=135890)
 --> (http://bugzilla.gnome.org/attachment.cgi?id=135890&action=view)
First attempt for a patch

This patch adds the following api:

namespace Gst.Video {
  public enum VideoFormat;

  public class VideoFormatUtil {
    public VideoFormatUtil ();
    public static int GetSize (VideoFormat format, int width, int height);
    public static bool HasAlpha (VideoFormat format);
    public static bool IsRgb (VideoFormat format);
    public static bool IsYuv (VideoFormat format);
    public static bool ParseCaps (Gst.Caps caps, out VideoFormat format, out
int width, out int height);
    public static bool ParseCapsFramerate (Gst.Caps caps, out int fps_n, out
int fps_d);
    public static bool ParseCapsInterlaced (Gst.Caps caps, out bool
interlaced);
    public static bool ParseCapsPixelAspectRation (Gst.Caps caps, out int
par_n, out int par_d);
  }
}

I'll probably rename VideoFormatUtil to VideoUtil and then move both VideoUtil
and VideoFormat to the main Gst namespace.

I'd also like to add some more static methods, but specifying them in
Gstreamer.metadata seems a bit redundant as the gapi-parser should be able to
generate them automatically, right? It probably doesn't because most of
functions of libgstvideo operate on VideoFormat and that is an enum.
Any suggestions?


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