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TrackObject: Add 'valid' property, Make _set_track() return a bool

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This commit is contained in:
Edward Hervey 2009-08-07 16:43:01 +02:00
parent 9f4f14722d
commit dc16b626c8
2 changed files with 15 additions and 6 deletions
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15
ges/ges-track-object.c
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@ -229,9 +229,12 @@ ensure_gnl_object (GESTrackObject * object)
GESTrackObjectClass *class;
gboolean res;
if (object->gnlobject)
if (object->gnlobject && object->valid)
return TRUE;
/* 1. Create the GnlObject */
GST_DEBUG ("Creating GnlObject");
class = GES_TRACK_OBJECT_GET_CLASS (object);
if (G_UNLIKELY (class->create_gnl_object == NULL)) {
@ -250,6 +253,7 @@ ensure_gnl_object (GESTrackObject * object)
return FALSE;
}
/* 2. Fill in the GnlObject */
if (res) {
GST_DEBUG ("Got a valid GnlObject, now filling it in");
@ -258,19 +262,24 @@ ensure_gnl_object (GESTrackObject * object)
object->gnlobject);
}
object->valid = res;
GST_DEBUG ("Returning res:%d", res);
return res;
}
void
gboolean
ges_track_object_set_track (GESTrackObject * object, GESTrack * track)
{
GST_DEBUG ("object:%p, track:%p", object, track);
object->track = track;
ensure_gnl_object (object);
if (object->track)
return ensure_gnl_object (object);
return TRUE;
}
void

6
ges/ges-track-object.h
View file

@ -49,6 +49,8 @@ struct _GESTrackObject {
GESTimelineObject *timelineobj; /* The associated timeline object */
GESTrack *track; /* The associated Track */
gboolean valid; /* TRUE if the contents of gnlobject are valid/usable */
/* Cached values of the gnlobject properties */
guint64 start; /* position (in time) of the object in the layer */
guint64 inpoint; /* in-point */
@ -72,9 +74,7 @@ GType ges_track_object_get_type (void);
GESTrackObject* ges_track_object_new (GESTimelineObject *timelineobj, GESTrack *track);
/* gboolean ges_track_object_create_gnl_object (GESTrackObject * object); */
void ges_track_object_set_track (GESTrackObject * object, GESTrack * track);
gboolean ges_track_object_set_track (GESTrackObject * object, GESTrack * track);
void ges_track_object_set_timeline_object (GESTrackObject * object, GESTimelineObject * tlobject);
/* Private methods for GESTimelineObject's usage only */