mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2025-04-26 06:54:49 +00:00
Code Issues 1 Projects Releases Wiki Activity

naive implementation of still images (seems broken)

Browse source
This commit is contained in:
Brandon Lewis 2010-08-09 18:36:00 +02:00 committed by Edward Hervey
parent fe54413811
commit 49fbc0b6d6
1 changed files with 53 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

61
ges/ges-track-image-source.c
View file

@ -88,21 +88,66 @@ ges_track_image_source_finalize (GObject * object)
G_OBJECT_CLASS (ges_track_image_source_parent_class)->finalize (object); G_OBJECT_CLASS (ges_track_image_source_parent_class)->finalize (object);
} }
static gboolean static void
ges_track_image_source_create_gnl_object (GESTrackObject * object) pad_added_cb (GstElement * timeline, GstPad * pad, GstElement * scale)
{ {
object->gnlobject = gst_element_factory_make ("gnlurisource", NULL); GstPad *sinkpad;
g_object_set (object->gnlobject, "uri", ((GESTrackImageSource *) object)->uri, GstPadLinkReturn ret;
NULL);
return TRUE; sinkpad = gst_element_get_static_pad (scale, "sink");
if (sinkpad) {
GST_DEBUG ("got sink pad, trying to link");
ret = gst_pad_link (pad, sinkpad);
if GST_PAD_LINK_SUCCESSFUL
(ret) {
GST_DEBUG ("linked ok, returning");
gst_object_unref (sinkpad);
return;
}
}
GST_DEBUG ("pad failed to link properly");
}
static GstElement *
ges_track_image_source_create_element (GESTrackSource * object)
{
GstElement *bin, *source, *scale, *freeze, *csp;
GstPad *src, *target;
bin = GST_ELEMENT (gst_bin_new ("still-image-bin"));
source = gst_element_factory_make ("uridecodebin", NULL);
scale = gst_element_factory_make ("videoscale", NULL);
freeze = gst_element_factory_make ("imagefreeze", NULL);
csp = gst_element_factory_make ("ffmpegcolorspace", NULL);
gst_bin_add_many (GST_BIN (bin), source, scale, freeze, csp, NULL);
gst_element_link_pads_full (scale, "src", csp, "sink",
GST_PAD_LINK_CHECK_NOTHING);
gst_element_link_pads_full (csp, "src", freeze, "sink",
GST_PAD_LINK_CHECK_NOTHING);
target = gst_element_get_static_pad (freeze, "src");
src = gst_ghost_pad_new ("src", target);
gst_element_add_pad (bin, src);
gst_object_unref (target);
g_object_set (source, "uri", ((GESTrackImageSource *) object)->uri, NULL);
g_signal_connect (G_OBJECT (source), "pad-added",
G_CALLBACK (pad_added_cb), scale);
return bin;
} }
static void static void
ges_track_image_source_class_init (GESTrackImageSourceClass * klass) ges_track_image_source_class_init (GESTrackImageSourceClass * klass)
{ {
GObjectClass *object_class = G_OBJECT_CLASS (klass); GObjectClass *object_class = G_OBJECT_CLASS (klass);
GESTrackObjectClass *track_class = GES_TRACK_OBJECT_CLASS (klass); GESTrackSourceClass *source_class = GES_TRACK_SOURCE_CLASS (klass);
object_class->get_property = ges_track_image_source_get_property; object_class->get_property = ges_track_image_source_get_property;
object_class->set_property = ges_track_image_source_set_property; object_class->set_property = ges_track_image_source_set_property;
@ -117,7 +162,7 @@ ges_track_image_source_class_init (GESTrackImageSourceClass * klass)
g_object_class_install_property (object_class, PROP_URI, g_object_class_install_property (object_class, PROP_URI,
g_param_spec_string ("uri", "URI", "uri of the resource", g_param_spec_string ("uri", "URI", "uri of the resource",
NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
track_class->create_gnl_object = ges_track_image_source_create_gnl_object; source_class->create_element = ges_track_image_source_create_element;
} }
static void static void