gstreamer/testsuite/caps/intersection.c

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#include <gst/gst.h>
/* these caps all have a non empty intersection */
GstStaticCaps sinkcaps = GST_STATIC_CAPS ("video/mpeg, "
"mpegtype=(int)1, "
"foo1=(int)[20,40], " "foo2=(int)[20,40], " "foo3=(int)[10,20]");
GstStaticCaps mp1parsecaps = GST_STATIC_CAPS ("video/mpeg, "
"mpegtype=(int)1, "
"foo1=(int)30, " "foo2=(int)[20,30], " "foo3=(int)[20,30]");
GstStaticCaps rawcaps = GST_STATIC_CAPS ("video/raw, "
"width=(int)[16,4096], " "height=(int)[16,4096]");
GstStaticCaps rawcaps2 = GST_STATIC_CAPS ("video/raw, "
"height=(int)[16,256], " "depth=(int)16");
GstStaticCaps rawcaps3 = GST_STATIC_CAPS ("video/raw, "
"fourcc=(fourcc){\"YUY2\", \"YV12\" }, " "height=(int)[16,4096]");
GstStaticCaps rawcaps4 = GST_STATIC_CAPS ("video/raw, "
"fourcc=(fourcc){\"YUY2\",\"YV12\",\"YUYV\" }, " "height=(int)[16,4096]");
GstStaticCaps rawcaps5 = GST_STATIC_CAPS ("video/raw, "
"fourcc=(fourcc){\"YUYV\",\"YUY2\"}, " "height=(int)[16,4096]");
GstStaticCaps rawcaps6 = GST_STATIC_CAPS ("video/raw, "
"fourcc=(fourcc)\"YUYV\", "
"height=(int)640, "
"width=(int)480, "
"framerate=(double)30.0; "
"video/raw, "
"fourcc=(fourcc)\"I420\", "
"height=(int)640, " "width=(int)480, " "framerate=(double)30.0");
GstStaticCaps rawcaps7 =
GST_STATIC_CAPS
("video/x-raw-yuv, format=(fourcc)YUY2, width=(int)[1,2147483647], height=(int)[1,2147483647], framerate=(double)[0,1.79769e+308]");
GstStaticCaps rawcaps8 =
GST_STATIC_CAPS
("video/x-raw-yuv, format=(fourcc){ I420, YV12, YUY2 }, width=(int)[16,4096], height=(int)[16,4096], framerate=(double)[0,1.79769e+308]");
int
main (int argc, char *argv[])
{
xmlDocPtr doc;
xmlNodePtr parent;
GstCaps *caps;
gst_init (&argc, &argv);
doc = xmlNewDoc ("1.0");
doc->xmlRootNode = xmlNewDocNode (doc, NULL, "Capabilities", NULL);
/*
g_mem_chunk_info ();
for (i = 0; i<100000; i++) {
caps = gst_caps_intersect (gst_static_caps_get (rawcaps3), GST_CAPS_GET (rawcaps4));
gst_caps_unref (caps);
}
g_mem_chunk_info ();
*/
caps = gst_caps_intersect (gst_static_caps_get (&sinkcaps),
gst_static_caps_get (&mp1parsecaps));
parent = xmlNewChild (doc->xmlRootNode, NULL, "Capabilities1", NULL);
gst_caps_save_thyself (caps, parent);
caps = gst_caps_intersect (gst_static_caps_get (&rawcaps),
gst_static_caps_get (&rawcaps2));
parent = xmlNewChild (doc->xmlRootNode, NULL, "Capabilities2", NULL);
gst_caps_save_thyself (caps, parent);
caps = gst_caps_intersect (gst_static_caps_get (&rawcaps3),
gst_static_caps_get (&rawcaps4));
parent = xmlNewChild (doc->xmlRootNode, NULL, "Capabilities3", NULL);
gst_caps_save_thyself (caps, parent);
caps = gst_caps_intersect (gst_static_caps_get (&rawcaps3),
gst_static_caps_get (&rawcaps5));
parent = xmlNewChild (doc->xmlRootNode, NULL, "Capabilities4", NULL);
gst_caps_save_thyself (caps, parent);
caps = gst_caps_intersect (gst_static_caps_get (&rawcaps6),
gst_caps_new_full (gst_structure_copy (gst_caps_get_structure
(gst_static_caps_get (&rawcaps6), 0)), NULL));
parent = xmlNewChild (doc->xmlRootNode, NULL, "Capabilities5", NULL);
gst_caps_save_thyself (caps, parent);
caps = gst_caps_intersect (gst_static_caps_get (&rawcaps7),
gst_static_caps_get (&rawcaps8));
g_print ("intersection: %s\n", gst_caps_to_string (caps));
xmlDocDump (stdout, doc);
return 0;
}