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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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125 lines
2.8 KiB
C
125 lines
2.8 KiB
C
#include <gst/gst.h>
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static GstCaps*
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mpeg2dec_sink_caps (void)
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{
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static GstCaps *caps;
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if (!caps) {
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caps = gst_caps_new (
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"mpeg2deccaps",
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"video/mpeg",
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gst_props_new (
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"mpegtype", GST_PROPS_LIST (
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GST_PROPS_INT(1),
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GST_PROPS_INT(2)
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),
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NULL));
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}
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return caps;
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}
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GST_CAPS_FACTORY (mpeg2dec_src_caps,
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GST_CAPS_NEW (
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"mpeg2dec_src_caps",
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"video/raw",
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"fourcc", GST_PROPS_LIST (
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GST_PROPS_FOURCC ( GST_MAKE_FOURCC ('Y','V','1','2')),
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GST_PROPS_FOURCC (0x56595559)
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),
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"width", GST_PROPS_INT_RANGE (16, 4096),
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"height", GST_PROPS_INT_RANGE (16, 4096)
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),
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GST_CAPS_NEW (
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"mpeg2dec_src_caps",
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"video/raw",
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"foo", GST_PROPS_BOOLEAN (TRUE)
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)
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)
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static GstPadTemplate*
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pad_caps (void)
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{
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static GstPadTemplate *template = NULL;
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if (!template) {
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template = gst_padtemplate_new (
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"src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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gst_caps_new (
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"videocaps",
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"video/raw",
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gst_props_new (
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"fourcc", GST_PROPS_LIST (
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GST_PROPS_FOURCC (0x32315659),
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GST_PROPS_FOURCC (GST_MAKE_FOURCC ('Y','U','Y','V'))
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),
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"height", GST_PROPS_INT_RANGE (16, 4096),
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NULL)),
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gst_caps_new (
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"videocaps2",
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"video/raw",
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gst_props_new (
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"fourcc", GST_PROPS_LIST (
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GST_PROPS_FOURCC (0x32315659)
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),
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"height", GST_PROPS_INT_RANGE (16, 256),
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NULL)),
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NULL);
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}
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return template;
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}
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GST_PADTEMPLATE_FACTORY (testtempl,
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"src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_CAPS_NEW (
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"mycaps",
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"audio/raw",
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"format", GST_PROPS_INT (55),
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"foo", GST_PROPS_STRING ("bar")
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),
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GST_CAPS_NEW (
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"mycaps2",
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"audio/float",
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"format", GST_PROPS_INT (7),
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"baz", GST_PROPS_STRING ("toe")
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)
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)
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static GstCaps *sinkcaps = NULL,
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*rawcaps = NULL;
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static GstPadTemplate *temp;
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int main(int argc,char *argv[])
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{
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xmlDocPtr doc;
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xmlNodePtr parent;
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doc = xmlNewDoc ("1.0");
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doc->xmlRootNode = xmlNewDocNode (doc, NULL, "Capabilities", NULL);
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gst_init (&argc, &argv);
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sinkcaps = mpeg2dec_sink_caps ();
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parent = xmlNewChild (doc->xmlRootNode, NULL, "Capabilities1", NULL);
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gst_caps_save_thyself (sinkcaps, parent);
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rawcaps = GST_CAPS_GET (mpeg2dec_src_caps);
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parent = xmlNewChild (doc->xmlRootNode, NULL, "Capabilities2", NULL);
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gst_caps_save_thyself (rawcaps, parent);
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temp = pad_caps ();
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parent = xmlNewChild (doc->xmlRootNode, NULL, "Padtemplate", NULL);
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gst_padtemplate_save_thyself (temp, parent);
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parent = xmlNewChild (doc->xmlRootNode, NULL, "Padtemplate2", NULL);
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gst_padtemplate_save_thyself (GST_PADTEMPLATE_GET (testtempl), parent);
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xmlDocDump(stdout, doc);
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return 0;
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}
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