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GESTimeline: Fix reference counting of tracks, add docs.

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This commit is contained in:
Edward Hervey 2009-09-14 19:24:28 +02:00
parent 1dc12c9658
commit 8c340412cd
1 changed files with 35 additions and 4 deletions
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39
ges/ges-timeline.c
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@ -217,7 +217,16 @@ layer_object_removed_cb (GESTimelineLayer * layer, GESTimelineObject * object,
GST_DEBUG ("Done");
}
/**
* ges_timeline_add_layer:
* @timeline: a #GESTimeline
* @layer: the #GESTimelineLayer to add
*
* Add the layer to the timeline. The reference to the @layer will be stolen
* by the @timeline.
*
* Returns: TRUE if the layer was properly added, else FALSE.
*/
gboolean
ges_timeline_add_layer (GESTimeline * timeline, GESTimelineLayer * layer)
{
@ -235,8 +244,8 @@ ges_timeline_add_layer (GESTimeline * timeline, GESTimelineLayer * layer)
return FALSE;
}
/* Reference is taken */
timeline->layers = g_list_append (timeline->layers, g_object_ref (layer));
/* Reference is stolen */
timeline->layers = g_list_append (timeline->layers, layer);
/* Inform the layer that it belongs to a new timeline */
ges_timeline_layer_set_timeline (layer, timeline);
@ -338,6 +347,17 @@ custom_find_track (TrackPrivate * priv, GESTrack * track)
return -1;
}
/**
* ges_timeline_add_track:
* @timeline: a #GESTimeline
* @track: the #GESTrack to add
*
* Add a track to the timeline. The reference to the track will be stolen by the
* pipeline.
*
* Returns: TRUE if the track was properly added, else FALSE.
*/
gboolean
ges_timeline_add_track (GESTimeline * timeline, GESTrack * track)
{
@ -355,7 +375,7 @@ ges_timeline_add_track (GESTimeline * timeline, GESTrack * track)
}
/* Add the track to ourself (as a GstBin)
* Reference is taken ! */
* Reference is stolen ! */
if (G_UNLIKELY (!gst_bin_add (GST_BIN (timeline), GST_ELEMENT (track)))) {
GST_WARNING ("Couldn't add track to ourself (GST)");
return FALSE;
@ -383,6 +403,17 @@ ges_timeline_add_track (GESTimeline * timeline, GESTrack * track)
return TRUE;
}
/**
* ges_timeline_remove_track:
* @timeline: a #GESTimeline
* @track: the #GESTrack to remove
*
* Remove the @track from the @timeline. The reference stolen when adding the
* @track will be removed. If you wish to use the @track after calling this
* function you must ensure that you have a reference to it.
*
* Returns: TRUE if the @track was properly removed, else FALSE.
*/
gboolean
ges_timeline_remove_track (GESTimeline * timeline, GESTrack * track)
{