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v4l2src: Add GstURIHandler interface. Fixes #601143

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This allows using v4l2://[<device>]
This commit is contained in:
Edward Hervey 2009-11-08 11:49:14 +01:00
parent eab08d67b3
commit 121c001437
1 changed files with 62 additions and 0 deletions
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62
sys/v4l2/gstv4l2src.c
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@ -89,6 +89,9 @@ GST_IMPLEMENT_V4L2_XOVERLAY_METHODS (GstV4l2Src, gst_v4l2src);
#endif #endif
GST_IMPLEMENT_V4L2_VIDORIENT_METHODS (GstV4l2Src, gst_v4l2src); GST_IMPLEMENT_V4L2_VIDORIENT_METHODS (GstV4l2Src, gst_v4l2src);
static void gst_v4l2src_uri_handler_init (gpointer g_iface,
gpointer iface_data);
static gboolean static gboolean
gst_v4l2src_iface_supported (GstImplementsInterface * iface, GType iface_type) gst_v4l2src_iface_supported (GstImplementsInterface * iface, GType iface_type)
{ {
@ -128,6 +131,12 @@ gst_v4l2src_interface_init (GstImplementsInterfaceClass * klass)
void void
gst_v4l2src_init_interfaces (GType type) gst_v4l2src_init_interfaces (GType type)
{ {
static const GInterfaceInfo urihandler_info = {
gst_v4l2src_uri_handler_init,
NULL,
NULL
};
static const GInterfaceInfo v4l2iface_info = { static const GInterfaceInfo v4l2iface_info = {
(GInterfaceInitFunc) gst_v4l2src_interface_init, (GInterfaceInitFunc) gst_v4l2src_interface_init,
NULL, NULL,
@ -161,6 +170,7 @@ gst_v4l2src_init_interfaces (GType type)
NULL, NULL,
}; };
g_type_add_interface_static (type, GST_TYPE_URI_HANDLER, &urihandler_info);
g_type_add_interface_static (type, g_type_add_interface_static (type,
GST_TYPE_IMPLEMENTS_INTERFACE, &v4l2iface_info); GST_TYPE_IMPLEMENTS_INTERFACE, &v4l2iface_info);
g_type_add_interface_static (type, GST_TYPE_TUNER, &v4l2_tuner_info); g_type_add_interface_static (type, GST_TYPE_TUNER, &v4l2_tuner_info);
@ -950,3 +960,55 @@ gst_v4l2src_create (GstPushSrc * src, GstBuffer ** buf)
} }
return ret; return ret;
} }
/* GstURIHandler interface */
static GstURIType
gst_v4l2src_uri_get_type (void)
{
return GST_URI_SRC;
}
static gchar **
gst_v4l2src_uri_get_protocols (void)
{
static gchar *protocols[] = { "v4l2", NULL };
return protocols;
}
static const gchar *
gst_v4l2src_uri_get_uri (GstURIHandler * handler)
{
GstV4l2Src *v4l2src = GST_V4L2SRC (handler);
if (v4l2src->v4l2object->videodev)
return g_strdup_printf ("v4l2://%s", v4l2src->v4l2object->videodev);
return "v4l2://";
}
static gboolean
gst_v4l2src_uri_set_uri (GstURIHandler * handler, const gchar * uri)
{
GstV4l2Src *v4l2src = GST_V4L2SRC (handler);
const gchar *device = DEFAULT_PROP_DEVICE;
if (strcmp (uri, "v4l2://") != 0) {
device = uri + 7;
}
g_object_set (v4l2src, "device", device, NULL);
return TRUE;
}
static void
gst_v4l2src_uri_handler_init (gpointer g_iface, gpointer iface_data)
{
GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface;
iface->get_type = gst_v4l2src_uri_get_type;
iface->get_protocols = gst_v4l2src_uri_get_protocols;
iface->get_uri = gst_v4l2src_uri_get_uri;
iface->set_uri = gst_v4l2src_uri_set_uri;
}