gstreamer/testsuite/caps/compatibility.c

#include <gst/gst.h>

/* these caps all have a non empty intersection */
GST_CAPS_FACTORY (sinkcaps,
  GST_CAPS_NEW (
    "mpeg2dec_sink",
    "video/mpeg",
      "mpegtype", GST_PROPS_LIST (
      		    GST_PROPS_INT (1),
      		    GST_PROPS_INT (2)
		  )
  )
);

GST_CAPS_FACTORY (mp1parsecaps,
  GST_CAPS_NEW (
    "mp1parse_src",
    "video/mpeg",
      "mpegtype", GST_PROPS_LIST (
      		    GST_PROPS_INT (1)
		  )
  )
);



GST_CAPS_FACTORY (rawcaps,
  GST_CAPS_NEW (
    "mpeg2dec_src",
    "video/raw",
      "fourcc",   GST_PROPS_LIST (
                    GST_PROPS_FOURCC (GST_STR_FOURCC ("YV12")),
                    GST_PROPS_FOURCC (GST_STR_FOURCC ("YUY2"))
		  ),
      "width",	GST_PROPS_INT_RANGE (16, 4096),
      "height",	GST_PROPS_INT_RANGE (16, 4096)
  )
);

GST_CAPS_FACTORY (rawcaps2,
  GST_CAPS_NEW (
    "raw_sink_caps",
    "video/raw",
      "fourcc", GST_PROPS_LIST (
                  GST_PROPS_FOURCC (GST_STR_FOURCC ("YV12"))
	        ),
      "height",	GST_PROPS_INT_RANGE (16, 256)
  )
);

GST_CAPS_FACTORY (rawcaps3,
  GST_CAPS_NEW (
    "raw2_sink_caps",
    "video/raw",
      "fourcc", GST_PROPS_LIST (
                  GST_PROPS_FOURCC (GST_STR_FOURCC ("YV12")),
                  GST_PROPS_FOURCC (GST_STR_FOURCC ("YUY2")) 
	        ),
      "height", GST_PROPS_INT_RANGE (16, 4096)
  )
);

/* these caps aren't used yet
GST_CAPS_FACTORY (rawcaps4,
  GST_CAPS_NEW (
    "raw2_sink_caps",
    "video/raw",
      "fourcc",   GST_PROPS_LIST (
                    GST_PROPS_FOURCC (GST_STR_FOURCC ("YV12")),
                    GST_PROPS_FOURCC (GST_STR_FOURCC ("YUYV")) 
		  ),
      "height",	  GST_PROPS_INT_RANGE (16, 4096)
  )
);

GST_CAPS_FACTORY (rawcaps5,
  GST_CAPS_NEW (
    "raw2_sink_caps",
    "video/raw",
      "fourcc",   GST_PROPS_LIST (
                    GST_PROPS_FOURCC (GST_STR_FOURCC ("YUYV")),
                    GST_PROPS_FOURCC (GST_STR_FOURCC ("YUY2"))
		  ),
      "height",   GST_PROPS_INT_RANGE (16, 4096)
  )
);
*/

GST_CAPS_FACTORY(rawcaps6,
      GST_CAPS_NEW (
        "videotestsrc_src",
        "video/raw",
          "format",		GST_PROPS_FOURCC(GST_MAKE_FOURCC('I','4','2','0'))
      ),
      GST_CAPS_NEW (
        "videotestsrc_src",
        "video/raw",
          "format",		GST_PROPS_FOURCC(GST_MAKE_FOURCC('Y','U','Y','V'))
      )
)

GST_CAPS_FACTORY(rawcaps7,
      GST_CAPS_NEW (
        "xvideosink_sink",
        "video/raw",
          "format",		GST_PROPS_FOURCC(GST_MAKE_FOURCC('I','4','2','0'))
      ),
      GST_CAPS_NEW (
        "xvideosink_sink",
        "video/raw",
          "format",		GST_PROPS_FOURCC(GST_MAKE_FOURCC('Y','V','1','2'))
      )
)


int 
main (int argc, char *argv[]) 
{
  gboolean testret;
  gint ret = 0;

  gst_init (&argc, &argv);

  testret = gst_caps_is_always_compatible (GST_CAPS_GET (mp1parsecaps), GST_CAPS_GET (rawcaps));
  g_print ("4 <-> 2 == %d (invalid, wrong major type)\n", testret);
  ret = ret + (testret == FALSE) ? 0 : 1;
  
  testret = gst_caps_is_always_compatible (GST_CAPS_GET (mp1parsecaps), GST_CAPS_GET (sinkcaps));
  g_print ("4 <-> 1 == %d (valid, subset)\n", testret);
  ret = ret + (testret == TRUE) ? 0 : 1;
  
  testret = gst_caps_is_always_compatible (GST_CAPS_GET (sinkcaps), GST_CAPS_GET (mp1parsecaps));
  g_print ("1 <-> 4 == %d (invalid, superset)\n", testret);
  ret = ret + (testret == FALSE) ? 0 : 1;

  testret = gst_caps_is_always_compatible (GST_CAPS_GET (rawcaps), GST_CAPS_GET (rawcaps2));
  g_print ("2 <-> 3 == %d (invalid, ranges)\n", testret);
  ret = ret + (testret == FALSE) ? 0 : 1;

  testret = gst_caps_is_always_compatible (GST_CAPS_GET (rawcaps), GST_CAPS_GET (rawcaps3));
  g_print ("2 <-> 5 == %d (valid)\n", testret);
  ret = ret + (testret == TRUE) ? 0 : 1;

  testret = gst_caps_is_always_compatible (GST_CAPS_GET (rawcaps3), GST_CAPS_GET (rawcaps));
  g_print ("5 <-> 2 == %d (invalid)\n", testret);
  ret = ret + (testret == FALSE) ? 0 : 1;

  testret = gst_caps_is_always_compatible (GST_CAPS_GET (rawcaps2), GST_CAPS_GET (rawcaps3));
  g_print ("3 <-> 5 == %d (valid)\n", testret);
  ret = ret + (testret == TRUE) ? 0 : 1;

  testret = gst_caps_is_always_compatible (GST_CAPS_GET (rawcaps2), GST_CAPS_GET (rawcaps));
  g_print ("3 <-> 2 == %d (invalid, property missing in source)\n", testret);
  ret = ret + (testret == FALSE) ? 0 : 1;

  testret = gst_caps_is_always_compatible (GST_CAPS_GET (rawcaps), GST_CAPS_GET (rawcaps));
  g_print ("2 <-> 2 == %d (valid, same caps)\n", testret);
  ret = ret + (testret == TRUE) ? 0 : 1;

  testret = gst_caps_is_always_compatible (GST_CAPS_GET (rawcaps6), GST_CAPS_GET (rawcaps7));
  g_print ("6 <-> 7 == %d (invalid, second caps doesn't fit)\n", testret);
  ret = ret + (testret == FALSE) ? 0 : 1;

  return ret;
}