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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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timeline: Keep track of GSequenceIter for each GESTrackObject
This way we do not have to look for them in the sequence itself, and make things simpler
This commit is contained in:
Thibault Saunier
parent
5772bd4c91
commit
346b04ecb4
1 changed files with 70 additions and 115 deletions
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@ -59,6 +59,19 @@ GST_DEBUG_CATEGORY_STATIC (ges_timeline_debug);
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#define GES_TIMELINE_PENDINGOBJS_UNLOCK(timeline) \
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(g_mutex_unlock(GES_TIMELINE_PENDINGOBJS_GET_LOCK (timeline)))
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typedef struct TrackObjIters
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{
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GSequenceIter *iter_start;
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GSequenceIter *iter_end;
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GSequenceIter *iter_obj;
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} TrackObjIters;
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static void
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_destroy_obj_iters (TrackObjIters * iters)
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{
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g_slice_free (TrackObjIters, iters);
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}
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/* The move context is used for the timeline editing modes functions in order to
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* + Ripple / Roll / Slide / Move / Trim
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*
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@ -124,6 +137,7 @@ struct _GESTimelinePrivate
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GHashTable *by_start; /* {TrackSource: start} */
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GHashTable *by_end; /* {TrackSource: end} */
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GHashTable *by_object; /* {timecode: TrackSource} */
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GHashTable *obj_iters; /* {TrackSource: TrackObjIters} */
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GSequence *starts_ends; /* Sorted list of starts/ends */
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/* We keep 1 reference to our trackobject here */
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GSequence *tracksources; /* TrackSource-s sorted by start/priorities */
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@ -267,6 +281,7 @@ ges_timeline_dispose (GObject * object)
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g_hash_table_unref (priv->by_start);
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g_hash_table_unref (priv->by_end);
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g_hash_table_unref (priv->by_object);
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g_hash_table_unref (priv->obj_iters);
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g_sequence_free (priv->starts_ends);
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g_sequence_free (priv->tracksources);
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g_list_free (priv->movecontext.moving_tckobjs);
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@ -470,6 +485,8 @@ ges_timeline_init (GESTimeline * self)
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priv->by_start = g_hash_table_new (g_direct_hash, g_direct_equal);
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priv->by_end = g_hash_table_new (g_direct_hash, g_direct_equal);
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priv->by_object = g_hash_table_new (g_direct_hash, g_direct_equal);
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priv->obj_iters = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL,
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(GDestroyNotify) _destroy_obj_iters);
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priv->starts_ends = g_sequence_new (g_free);
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priv->tracksources = g_sequence_new (g_object_unref);
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@ -571,116 +588,34 @@ custom_find_track (TrackPrivate * tr_priv, GESTrack * track)
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return -1;
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}
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/* Look for the pointer passed as @value */
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static GSequenceIter *
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lookup_pointer_uint (GSequence * seq, guint64 * value)
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{
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GSequenceIter *iter, *tmpiter;
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guint64 *found, *tmpval;
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iter = g_sequence_lookup (seq, value,
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(GCompareDataFunc) compare_uint64, NULL);
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found = g_sequence_get (iter);
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/* We have the same pointer so we are all fine */
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if (found == value)
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return iter;
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if (!g_sequence_iter_is_end (iter)) {
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/* Looking frontward for the good pointer */
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tmpiter = iter;
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while ((tmpiter = g_sequence_iter_next (tmpiter))) {
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if (g_sequence_iter_is_end (tmpiter))
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break;
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tmpval = g_sequence_get (tmpiter);
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if (tmpval == value)
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return tmpiter;
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else if (*tmpval != *value)
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break;
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}
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}
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if (!g_sequence_iter_is_begin (iter)) {
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/* Looking backward for the good pointer */
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tmpiter = iter;
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while ((tmpiter = g_sequence_iter_prev (tmpiter))) {
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tmpval = g_sequence_get (tmpiter);
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if (tmpval == value)
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return tmpiter;
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else if (*tmpval != *value || g_sequence_iter_is_begin (tmpiter))
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break;
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}
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}
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GST_ERROR ("Missing timecode %p %" GST_TIME_FORMAT
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" this should never happen", value, GST_TIME_ARGS (*value));
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return NULL;
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}
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static inline void
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sort_starts_ends_end (GESTimeline * timeline, GESTrackObject * obj)
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{
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GSequenceIter *iter;
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GESTimelinePrivate *priv = timeline->priv;
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guint64 *end = g_hash_table_lookup (priv->by_end, obj);
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TrackObjIters *iters = g_hash_table_lookup (priv->obj_iters, obj);
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iter = lookup_pointer_uint (priv->starts_ends, end);
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*end = obj->start + obj->duration;
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g_sequence_sort_changed (iter, (GCompareDataFunc) compare_uint64, NULL);
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g_sequence_sort_changed (iters->iter_end, (GCompareDataFunc) compare_uint64,
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NULL);
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timeline_update_duration (timeline);
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}
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static inline void
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sort_starts_ends_start (GESTimeline * timeline, GESTrackObject * obj)
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{
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GSequenceIter *iter;
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GESTimelinePrivate *priv = timeline->priv;
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guint64 *start = g_hash_table_lookup (priv->by_start, obj);
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TrackObjIters *iters = g_hash_table_lookup (priv->obj_iters, obj);
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iter = lookup_pointer_uint (priv->starts_ends, start);
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*start = obj->start;
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g_sequence_sort_changed (iter, (GCompareDataFunc) compare_uint64, NULL);
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g_sequence_sort_changed (iters->iter_start,
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(GCompareDataFunc) compare_uint64, NULL);
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timeline_update_duration (timeline);
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}
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static inline void
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resort_all_starts_ends (GESTimeline * timeline)
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{
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GSequenceIter *iter;
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GESTrackObject *tckobj;
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guint64 *start, *end;
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GESTimelinePrivate *priv = timeline->priv;
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for (iter = g_sequence_get_begin_iter (priv->tracksources);
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!g_sequence_iter_is_end (iter); iter = g_sequence_iter_next (iter)) {
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tckobj = GES_TRACK_OBJECT (g_sequence_get (iter));
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start = g_hash_table_lookup (priv->by_start, tckobj);
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end = g_hash_table_lookup (priv->by_end, tckobj);
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*start = tckobj->start;
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*end = tckobj->start + tckobj->duration;
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}
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g_sequence_sort (priv->starts_ends, (GCompareDataFunc) compare_uint64, NULL);
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timeline_update_duration (timeline);
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}
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static inline void
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sort_all (GESTimeline * timeline)
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{
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sort_track_objects (timeline);
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resort_all_starts_ends (timeline);
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}
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/* Timeline edition functions */
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static inline void
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init_movecontext (MoveContext * mv_ctx)
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@ -708,31 +643,28 @@ stop_tracking_for_snapping (GESTimeline * timeline, GESTrackObject * tckobj)
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{
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guint64 *start, *end;
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GESTimelinePrivate *priv = timeline->priv;
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GSequenceIter *iter_start, *iter_end, *tckobj_iter;
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TrackObjIters *iters;
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start = g_hash_table_lookup (priv->by_start, tckobj);
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end = g_hash_table_lookup (priv->by_end, tckobj);
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iter_start = lookup_pointer_uint (priv->starts_ends, start);
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iter_end = lookup_pointer_uint (priv->starts_ends, end);
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tckobj_iter = g_sequence_lookup (timeline->priv->tracksources, tckobj,
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(GCompareDataFunc) objects_start_compare, NULL);
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iters = g_hash_table_lookup (priv->obj_iters, tckobj);
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g_hash_table_remove (priv->by_start, tckobj);
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g_hash_table_remove (priv->by_end, tckobj);
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g_hash_table_remove (priv->by_object, end);
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g_hash_table_remove (priv->by_object, start);
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g_sequence_remove (iter_start);
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g_sequence_remove (iter_end);
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g_sequence_remove (tckobj_iter);
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g_sequence_remove (iters->iter_start);
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g_sequence_remove (iters->iter_end);
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g_sequence_remove (iters->iter_obj);
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g_hash_table_remove (priv->obj_iters, tckobj);
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timeline_update_duration (timeline);
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}
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static void
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start_tracking_track_obj (GESTimeline * timeline, GESTrackObject * tckobj)
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{
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TrackObjIters *iters;
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guint64 *pstart, *pend;
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GESTimelinePrivate *priv = timeline->priv;
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@ -741,17 +673,20 @@ start_tracking_track_obj (GESTimeline * timeline, GESTrackObject * tckobj)
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*pstart = tckobj->start;
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*pend = *pstart + tckobj->duration;
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g_sequence_insert_sorted (priv->starts_ends, pstart,
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iters = g_slice_new (TrackObjIters);
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iters->iter_start = g_sequence_insert_sorted (priv->starts_ends, pstart,
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(GCompareDataFunc) compare_uint64, NULL);
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g_sequence_insert_sorted (priv->starts_ends, pend,
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iters->iter_end = g_sequence_insert_sorted (priv->starts_ends, pend,
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(GCompareDataFunc) compare_uint64, NULL);
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g_sequence_insert_sorted (priv->tracksources, g_object_ref (tckobj),
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iters->iter_obj =
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g_sequence_insert_sorted (priv->tracksources, g_object_ref (tckobj),
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(GCompareDataFunc) objects_start_compare, NULL);
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g_hash_table_insert (priv->by_start, tckobj, pstart);
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g_hash_table_insert (priv->by_object, pstart, tckobj);
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g_hash_table_insert (priv->by_end, tckobj, pend);
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g_hash_table_insert (priv->by_object, pend, tckobj);
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g_hash_table_insert (priv->obj_iters, tckobj, iters);
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timeline->priv->movecontext.needs_move_ctx = TRUE;
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@ -927,15 +862,15 @@ static gboolean
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ges_move_context_set_objects (GESTimeline * timeline, GESTrackObject * obj,
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GESEdge edge)
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{
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GSequenceIter *iter, *tckobj_iter;
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guint64 start, end, tmpend;
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TrackObjIters *iters;
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GESTrackObject *tmptckobj;
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guint64 start, end, tmpend;
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GSequenceIter *iter, *tckobj_iter;
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MoveContext *mv_ctx = &timeline->priv->movecontext;
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tckobj_iter = g_sequence_lookup (timeline->priv->tracksources, obj,
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(GCompareDataFunc) objects_start_compare, NULL);
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iters = g_hash_table_lookup (timeline->priv->obj_iters, obj);
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tckobj_iter = iters->iter_obj;
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switch (edge) {
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case GES_EDGE_START:
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/* set it properly int the context of "trimming" */
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@ -997,6 +932,8 @@ static gboolean
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ges_timeline_set_moving_context (GESTimeline * timeline, GESTrackObject * obj,
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GESEditMode mode, GESEdge edge, GList * layers)
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{
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/* A TrackObject that could initiate movement for other object */
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GESTrackObject *editor_tckobj = NULL;
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MoveContext *mv_ctx = &timeline->priv->movecontext;
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GESTimelineObject *tlobj = ges_track_object_get_timeline_object (obj);
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@ -1019,17 +956,35 @@ ges_timeline_set_moving_context (GESTimeline * timeline, GESTrackObject * obj,
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mv_ctx->obj = tlobj;
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mv_ctx->needs_move_ctx = FALSE;
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switch (mode) {
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case GES_EDIT_MODE_RIPPLE:
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case GES_EDIT_MODE_ROLL:
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if (!(ges_move_context_set_objects (timeline, obj, edge)))
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return FALSE;
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default:
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break;
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/* We try to find a TrackSource inside the TimelineObject so we can set the
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* moving context Else we just move the selected one only */
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if (GES_IS_TRACK_SOURCE (obj) == FALSE) {
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GList *tmp;
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for (tmp = tlobj->trackobjects; tmp; tmp = tmp->next) {
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if (GES_IS_TRACK_SOURCE (tmp->data)) {
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editor_tckobj = tmp->data;
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break;
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}
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}
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} else {
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editor_tckobj = obj;
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}
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/* And we add the main object to the moving_tlobjs set */
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add_moving_timeline_object (&timeline->priv->movecontext, obj);
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if (editor_tckobj) {
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switch (mode) {
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case GES_EDIT_MODE_RIPPLE:
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case GES_EDIT_MODE_ROLL:
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if (!(ges_move_context_set_objects (timeline, editor_tckobj, edge)))
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return FALSE;
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default:
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break;
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}
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add_moving_timeline_object (&timeline->priv->movecontext, editor_tckobj);
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} else {
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/* We add the main object to the moving_tlobjs set */
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add_moving_timeline_object (&timeline->priv->movecontext, obj);
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}
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return TRUE;
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