mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2025-01-20 14:18:34 +00:00
Code Issues 1 Projects Releases Wiki Activity

plugin: update the doc to declare a typefind

Browse source 
Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-docs/-/merge_requests/117>
This commit is contained in:
Stéphane Cerveau 2020-12-10 17:16:26 +01:00
parent 5a004ed35b
commit 4000e4b55e
1 changed files with 9 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
markdown/plugin-development/advanced/media-types.md
View file

@ -82,28 +82,28 @@ will recognize AVI files, which start with a “RIFF” tag, then the size
of the file and then an “AVI” tag:
``` c
static GstStaticCaps avi_caps = GST_STATIC_CAPS ("video/x-msvideo");
#define AVI_CAPS gst_static_caps_get(&avi_caps)
static void
gst_my_typefind_function (GstTypeFind *tf,
gpointer data)
gst_avi_typefind_function (GstTypeFind *tf,
gpointer pointer)
{
guint8 *data = gst_type_find_peek (tf, 0, 12);
if (data &&
GUINT32_FROM_LE (&((guint32 *) data)[0]) == GST_MAKE_FOURCC ('R','I','F','F') &&
GUINT32_FROM_LE (&((guint32 *) data)[2]) == GST_MAKE_FOURCC ('A','V','I',' ')) {
gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM,
gst_caps_new_simple ("video/x-msvideo", NULL));
gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, AVI_CAPS);
}
}
GST_TYPE_FIND_REGISTER_DEFINE(avi, "video/x-msvideo", GST_RANK_PRIMARY,
gst_avi_typefind_function, "avi", AVI_CAPS, NULL, NULL);
static gboolean
plugin_init (GstPlugin *plugin)
{
if (!gst_type_find_register (plugin, "", GST_RANK_PRIMARY,
gst_my_typefind_function, "avi",
gst_caps_new_simple ("video/x-msvideo",
NULL), NULL))
return FALSE;
return GST_TYPEFIND_REGISTER(avi, plugin);
}
```