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gesdemux: Add a testsrc to timelines if parent nleobject duration is too long

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This commit is contained in:
Thibault Saunier 2019-07-10 19:36:21 -04:00
parent 9dc958e8ab
commit 18eedb3c28
1 changed files with 70 additions and 0 deletions
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70
plugins/ges/gesdemux.c
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@ -253,6 +253,75 @@ ges_demux_set_srcpad_probe (GstElement * element, GstPad * pad,
return TRUE;
}
static void
ges_demux_adapt_timeline_duration (GESDemux * self, GESTimeline * timeline)
{
GType nleobject_type = g_type_from_name ("NleObject");
GstObject *parent, *tmpparent;
parent = gst_object_get_parent (GST_OBJECT (self));
while (parent) {
if (g_type_is_a (G_OBJECT_TYPE (parent), nleobject_type)) {
GstClockTime duration, inpoint, timeline_duration;
g_object_get (parent, "duration", &duration, "inpoint", &inpoint, NULL);
g_object_get (timeline, "duration", &timeline_duration, NULL);
if (inpoint + duration > timeline_duration) {
GESLayer *layer = ges_timeline_get_layer (timeline, 0);
if (layer) {
GESClip *clip = GES_CLIP (ges_test_clip_new ());
GList *tmp, *tracks = ges_timeline_get_tracks (timeline);
g_object_set (clip, "start", timeline_duration, "duration",
inpoint + duration, "vpattern", GES_VIDEO_TEST_PATTERN_SMPTE75,
NULL);
ges_layer_add_clip (layer, clip);
for (tmp = tracks; tmp; tmp = tmp->next) {
if (GES_IS_VIDEO_TRACK (tmp->data)) {
GESEffect *text;
GstCaps *caps;
gchar *effect_str_full = NULL;
const gchar *effect_str =
"textoverlay text=\"Nested timeline too short, please FIX!\" halignment=center valignment=center";
g_object_get (tmp->data, "restriction-caps", &caps, NULL);
if (caps) {
gchar *caps_str = gst_caps_to_string (caps);
effect_str = effect_str_full =
g_strdup_printf ("capsfilter caps=\"%s\" ! %s", caps_str,
effect_str);
g_free (caps_str);
gst_caps_unref (caps);
}
text = ges_effect_new (effect_str);
g_free (effect_str_full);
ges_container_add (GES_CONTAINER (clip),
GES_TIMELINE_ELEMENT (text));
}
}
g_list_free_full (tracks, gst_object_unref);
GST_INFO_OBJECT (timeline,
"Added test clip with duration: %" GST_TIME_FORMAT " - %"
GST_TIME_FORMAT " to match parent nleobject duration",
GST_TIME_ARGS (timeline_duration),
GST_TIME_ARGS (inpoint + duration - timeline_duration));
}
}
gst_object_unref (parent);
return;
}
tmpparent = parent;
parent = gst_object_get_parent (GST_OBJECT (parent));
gst_object_unref (tmpparent);
}
}
static gboolean
ges_demux_create_timeline (GESDemux * self, gchar * uri, GError ** error)
{
@ -281,6 +350,7 @@ ges_demux_create_timeline (GESDemux * self, gchar * uri, GError ** error)
g_main_loop_run (data.ml);
g_main_loop_unref (data.ml);
ges_demux_adapt_timeline_duration (self, data.timeline);
query = gst_query_new_uri ();
if (gst_pad_peer_query (self->sinkpad, query)) {