mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-11-26 19:51:11 +00:00
Code Issues 1 Projects Releases Wiki Activity

smart-mixer: Add support for d3d11compositor and glvideomixer

Browse source 
Some hardware compositor elements (d3d11compositor and glvideomixer)
consist of wrapper bin with internal mixer element.
So, we need special handling for such elements.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-editing-services/-/merge_requests/242>
This commit is contained in:
Seungha Yang 2021-04-23 16:08:48 +09:00
parent eaaaf78090
commit bf5741f424
2 changed files with 55 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
ges/ges-smart-video-mixer.c
View file

@ -402,16 +402,25 @@ ges_smart_mixer_constructed (GObject * obj)
{
GstPad *pad;
GstElement *identity, *videoconvert;
GESSmartMixer *self = GES_SMART_MIXER (obj);
gchar *cname = g_strdup_printf ("%s-compositor", GST_OBJECT_NAME (self));
GstElement *mixer;
self->mixer =
gst_element_factory_create (ges_get_compositor_factory (), cname);
g_free (cname);
g_object_set (self->mixer, "background", 1, "emit-signals", TRUE, NULL);
g_signal_connect (self->mixer, "samples-selected",
if (GST_IS_BIN (self->mixer)) {
g_object_get (self->mixer, "mixer", &mixer, NULL);
g_assert (mixer);
} else {
mixer = gst_object_ref (self->mixer);
}
g_object_set (mixer, "background", 1, "emit-signals", TRUE, NULL);
g_signal_connect (mixer, "samples-selected",
G_CALLBACK (ges_smart_mixer_samples_selected_cb), self);
gst_object_unref (mixer);
/* See https://gitlab.freedesktop.org/gstreamer/gstreamer/issues/310 */
GST_FIXME ("Stop dropping allocation query when it is not required anymore.");

40
ges/ges-utils.c
View file

@ -137,6 +137,7 @@ find_compositor (GstPluginFeature * feature, gpointer udata)
gboolean res = FALSE;
const gchar *klass;
GstPluginFeature *loaded_feature = NULL;
GstElement *elem = NULL;
if (G_UNLIKELY (!GST_IS_ELEMENT_FACTORY (feature)))
return FALSE;
@ -153,9 +154,48 @@ find_compositor (GstPluginFeature * feature, gpointer udata)
return FALSE;
}
/* Some hardware compositor elements (d3d11compositor for example) consist of
* bin with internal mixer elements */
if (g_type_is_a (gst_element_factory_get_element_type (GST_ELEMENT_FACTORY
(loaded_feature)), GST_TYPE_BIN)) {
GParamSpec *pspec;
GstElement *mixer = NULL;
elem =
gst_element_factory_create (GST_ELEMENT_FACTORY_CAST (loaded_feature),
NULL);
/* Checks whether this element has mixer property and the internal element
* is aggregator subclass */
if (!elem) {
GST_ERROR ("Could not create element from factory %" GST_PTR_FORMAT,
feature);
goto done;
}
pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (elem), "mixer");
if (!pspec)
goto done;
if (!g_type_is_a (pspec->value_type, GST_TYPE_ELEMENT))
goto done;
g_object_get (elem, "mixer", &mixer, NULL);
if (!mixer)
goto done;
if (GST_IS_AGGREGATOR (mixer))
res = TRUE;
gst_object_unref (mixer);
} else {
res =
g_type_is_a (gst_element_factory_get_element_type (GST_ELEMENT_FACTORY
(loaded_feature)), GST_TYPE_AGGREGATOR);
}
done:
gst_clear_object (&elem);
gst_object_unref (loaded_feature);
return res;
}