public void TestGetAllowedCaps()
{
Caps caps;
Pad sink = new Pad("sink", PadDirection.Sink);
caps = sink.AllowedCaps;
Assert.IsNull(caps);
Pad src = new Pad("src", PadDirection.Src);
caps = src.AllowedCaps;
Assert.IsNull(caps);
caps = Caps.FromString("foo/bar");
src.SetCaps(caps);
sink.SetCaps(caps);
PadLinkReturn plr = src.Link(sink);
Assert.AreEqual(plr, PadLinkReturn.Ok);
Caps gotcaps = src.AllowedCaps;
Assert.IsNotNull(gotcaps);
Assert.IsTrue(gotcaps.IsEqual(caps));
}
public void TestUnion()
{
Caps caps1 = Caps.FromString("video/x-raw-yuv, " +
"format=(fourcc)I420, " +
"width=(int)640");
Caps caps2 = Caps.FromString("video/x-raw-yuv, " +
"format=(fourcc)I420, " +
"height=(int)480");
Assert.IsNotNull(caps1);
Assert.IsNotNull(caps2);
Assert.IsFalse(caps1.Handle == IntPtr.Zero, "Ooops, null handle in caps1");
Assert.IsFalse(caps1.Handle == IntPtr.Zero, "Ooops, null handle in caps2");
Caps caps3 = caps1.Union(caps2);
Assert.IsFalse(caps3.IsEmpty, "How come caps are EMPTY?!");
Caps caps4 = Caps.FromString("video/x-raw-yuv, " +
"format=(fourcc)I420, " +
"width=(int)640; " +
"video/x-raw-yuv, " +
"format=(fourcc)I420, " +
"height=(int)480");
Assert.IsTrue(caps3.IsEqual(caps4));
}
protected override bool OnSetCaps(Caps incaps, Caps outcaps)
{
Assert.IsTrue(incaps.IsEqual(outcaps));
return(base.OnSetCaps(incaps, outcaps));
}