gstreamer/tests/caps.c

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#include <gst/gst.h>
static GstCapsFactory mpeg2dec_sink_caps = {
"mpeg2dec_sink",
"video/mpeg",
"mpegtype", GST_PROPS_LIST (
GST_PROPS_INT(1),
GST_PROPS_INT(2)
),
NULL
};
static GstCapsFactory mp1parse_src_caps = {
"mp1parse_src",
"video/mpeg",
"mpegtype", GST_PROPS_LIST (
GST_PROPS_INT(1)
),
NULL
};
static GstCapsFactory mpeg2dec_src_caps = {
"mpeg2dec_src",
"video/raw",
"fourcc", GST_PROPS_LIST (
GST_PROPS_FOURCC ('Y','V','1','2'),
GST_PROPS_FOURCC_INT (0x56595559)
),
"width", GST_PROPS_INT_RANGE (16, 4096),
"height", GST_PROPS_INT_RANGE (16, 4096),
NULL
};
static GstCapsFactory raw_sink_caps = {
"raw_sink_caps",
"video/raw",
"fourcc", GST_PROPS_LIST (
GST_PROPS_FOURCC_INT (0x32315659)
),
"height", GST_PROPS_INT_RANGE (16, 256),
NULL
};
static GstCapsFactory raw2_sink_caps = {
"raw2_sink_caps",
"video/raw",
"fourcc", GST_PROPS_LIST (
GST_PROPS_FOURCC_INT (0x32315659),
GST_PROPS_FOURCC ('Y','U','Y','V')
),
"height", GST_PROPS_INT_RANGE (16, 4096),
NULL
};
static GstCaps *sinkcaps = NULL,
*rawcaps = NULL,
*rawcaps2 = NULL,
*rawcaps3 = NULL,
*mp1parsecaps = NULL;
int main(int argc,char *argv[])
{
gboolean testret;
xmlDocPtr doc;
xmlNodePtr parent;
doc = xmlNewDoc ("1.0");
doc->root = xmlNewDocNode (doc, NULL, "Capabilities", NULL);
_gst_type_initialize ();
sinkcaps = gst_caps_register (&mpeg2dec_sink_caps);
parent = xmlNewChild (doc->root, NULL, "Capabilities1", NULL);
gst_caps_save_thyself (sinkcaps, parent);
rawcaps = gst_caps_register (&mpeg2dec_src_caps);
parent = xmlNewChild (doc->root, NULL, "Capabilities2", NULL);
gst_caps_save_thyself (rawcaps, parent);
rawcaps2 = gst_caps_register (&raw_sink_caps);
parent = xmlNewChild (doc->root, NULL, "Capabilities3", NULL);
gst_caps_save_thyself (rawcaps2, parent);
mp1parsecaps = gst_caps_register (&mp1parse_src_caps);
parent = xmlNewChild (doc->root, NULL, "Capabilities4", NULL);
gst_caps_save_thyself (mp1parsecaps, parent);
rawcaps3 = gst_caps_register (&raw2_sink_caps);
parent = xmlNewChild (doc->root, NULL, "Capabilities5", NULL);
gst_caps_save_thyself (rawcaps3, parent);
xmlDocDump(stdout, doc);
testret = gst_caps_check_compatibility (mp1parsecaps, rawcaps);
g_print ("4 <-> 2 == %d (invalid, wrong major type)\n", testret);
testret = gst_caps_check_compatibility (mp1parsecaps, sinkcaps);
g_print ("4 <-> 1 == %d (valid, subset)\n", testret);
testret = gst_caps_check_compatibility (sinkcaps, mp1parsecaps);
g_print ("1 <-> 4 == %d (invalid, superset)\n", testret);
testret = gst_caps_check_compatibility (rawcaps, rawcaps2);
g_print ("2 <-> 3 == %d (invalid, ranges)\n", testret);
testret = gst_caps_check_compatibility (rawcaps, rawcaps3);
g_print ("2 <-> 5 == %d (valid)\n", testret);
testret = gst_caps_check_compatibility (rawcaps3, rawcaps);
g_print ("5 <-> 2 == %d (invalid)\n", testret);
testret = gst_caps_check_compatibility (rawcaps2, rawcaps3);
g_print ("3 <-> 5 == %d (valid)\n", testret);
testret = gst_caps_check_compatibility (rawcaps2, rawcaps);
g_print ("3 <-> 2 == %d (invalid, property missing in source)\n", testret);
testret = gst_caps_check_compatibility (rawcaps, rawcaps);
g_print ("2 <-> 2 == %d (valid, same caps)\n", testret);
return 0;
}