/**
* ges_track_remove_object:
* @track: a #GESTrack
* @object: the #GESTrackObject to remove
*
* Removes the object from the track and unparents it.
* Unparenting it means the reference owned by @track on the @object will be
* removed. If you wish to use the @object after this function, make sure you
* call g_object_ref() before removing it from the @track.
*
* Returns: #TRUE if the object was removed, else #FALSE if the track
* could not remove the object (like if it didn't belong to the track).
*/
gboolean
ges_track_remove_object (GESTrack * track, GESTrackObject * object)
{
GESTrackPrivate *priv;
GstElement *gnlobject;
g_return_val_if_fail (GES_IS_TRACK (track), FALSE);
g_return_val_if_fail (GES_IS_TRACK_OBJECT (object), FALSE);
GST_DEBUG ("track:%p, object:%p", track, object);
priv = track->priv;
if (G_UNLIKELY (ges_track_object_get_track (object) != track)) {
GST_WARNING ("Object belongs to another track");
return FALSE;
}
if ((gnlobject = ges_track_object_get_gnlobject (object))) {
GST_DEBUG ("Removing GnlObject '%s' from composition '%s'",
GST_ELEMENT_NAME (gnlobject), GST_ELEMENT_NAME (priv->composition));
if (!gst_bin_remove (GST_BIN (priv->composition), gnlobject)) {
GST_WARNING ("Failed to remove gnlobject from composition");
return FALSE;
}
}
ges_track_object_set_track (object, NULL);
priv->trackobjects = g_list_remove (priv->trackobjects, object);
g_object_unref (object);
return TRUE;
}
/**
* ges_track_set_caps:
* @track: a #GESTrack
* @caps: the #GstCaps to set
*
* Sets the given @caps on the track.
*/
void
ges_track_set_caps (GESTrack * track, const GstCaps * caps)
{
GESTrackPrivate *priv;
g_return_if_fail (GES_IS_TRACK (track));
g_return_if_fail (GST_IS_CAPS (caps));
GST_DEBUG ("track:%p, caps:%" GST_PTR_FORMAT, track, caps);
priv = track->priv;
if (priv->caps)
gst_caps_unref (priv->caps);
priv->caps = gst_caps_copy (caps);
g_object_set (priv->composition, "caps", caps, NULL);
/* FIXME : update all trackobjects ? */
}
static void
bin_element_added (GstTracer * runner, GstClockTime ts,
GstBin * bin, GstElement * element, gboolean result)
{
GstObject *parent;
GstValidateElementMonitor *monitor =
g_object_get_data (G_OBJECT (element), "validate-monitor");
if (!monitor)
return;
if (!monitor->is_decoder)
return;
parent = gst_object_get_parent (GST_OBJECT (element));
do {
if (GES_IS_TRACK (parent)) {
GstElementClass *klass = GST_ELEMENT_CLASS (G_OBJECT_GET_CLASS (element));
const gchar *klassname =
gst_element_class_get_metadata (klass, GST_ELEMENT_METADATA_KLASS);
if (GES_IS_AUDIO_TRACK (parent) && strstr (klassname, "Audio") == NULL) {
GST_VALIDATE_REPORT (monitor, WRONG_DECODER_ADDED,
"Adding non audio decoder %s in audio track %s.",
GST_OBJECT_NAME (element), GST_OBJECT_NAME (parent));
} else if (GES_IS_VIDEO_TRACK (parent)
&& strstr (klassname, "Video") == NULL
&& strstr (klassname, "Image") == NULL) {
GST_VALIDATE_REPORT (monitor, WRONG_DECODER_ADDED,
"Adding non video decoder %s in video track %s.",
GST_OBJECT_NAME (element), GST_OBJECT_NAME (parent));
}
gst_object_unref (parent);
break;
}
gst_object_unref (parent);
parent = gst_object_get_parent (parent);
} while (parent);
}
/**
* ges_track_add_object:
* @track: a #GESTrack
* @object: (transfer full): the #GESTrackObject to add
*
* Adds the given object to the track. Sets the object's controlling track,
* and thus takes ownership of the @object.
*
* An object can only be added to one track.
*
* Returns: #TRUE if the object was properly added. #FALSE if the track does not
* want to accept the object.
*/
gboolean
ges_track_add_object (GESTrack * track, GESTrackObject * object)
{
g_return_val_if_fail (GES_IS_TRACK (track), FALSE);
g_return_val_if_fail (GES_IS_TRACK_OBJECT (object), FALSE);
GST_DEBUG ("track:%p, object:%p", track, object);
if (G_UNLIKELY (ges_track_object_get_track (object) != NULL)) {
GST_WARNING ("Object already belongs to another track");
return FALSE;
}
/* At this point, the track object shouldn't have any gnlobject since
* it hasn't been added to a track yet.
* FIXME : This check seems a bit obsolete */
if (G_UNLIKELY (ges_track_object_get_gnlobject (object) != NULL)) {
GST_ERROR ("TrackObject already controls a gnlobject !");
return FALSE;
}
if (G_UNLIKELY (!ges_track_object_set_track (object, track))) {
GST_ERROR ("Couldn't properly add the object to the Track");
return FALSE;
}
GST_DEBUG ("Adding object to ourself");
if (G_UNLIKELY (!gst_bin_add (GST_BIN (track->priv->composition),
ges_track_object_get_gnlobject (object)))) {
GST_WARNING ("Couldn't add object to the GnlComposition");
return FALSE;
}
g_object_ref_sink (object);
track->priv->trackobjects = g_list_append (track->priv->trackobjects, object);
return TRUE;
}