mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-27 18:50:48 +00:00
clip: preserve auto-transition in split
When splitting a clip, keep the auto-transition at the end of the clip alive and move its source to that of the corresponding split track element. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-editing-services/-/merge_requests/169>
This commit is contained in:
Henry Wilkes
parent
5c546c6fe7
commit
0a3da79e97
6 changed files with 235 additions and 53 deletions
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@ -39,8 +39,8 @@ static guint auto_transition_signals[LAST_SIGNAL] = { 0 };
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G_DEFINE_TYPE (GESAutoTransition, ges_auto_transition, G_TYPE_OBJECT);
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static void
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neighbour_changed_cb (GESClip * clip, GParamSpec * arg G_GNUC_UNUSED,
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GESAutoTransition * self)
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neighbour_changed_cb (G_GNUC_UNUSED GObject * object,
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G_GNUC_UNUSED GParamSpec * arg, GESAutoTransition * self)
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{
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gint64 new_duration;
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guint32 layer_prio;
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@ -110,7 +110,36 @@ _track_changed_cb (GESTrackElement * track_element,
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g_signal_emit (self, auto_transition_signals[DESTROY_ME], 0);
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}
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}
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static void
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_connect_to_source (GESAutoTransition * self, GESTrackElement * source)
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{
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g_signal_connect (source, "notify::start",
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G_CALLBACK (neighbour_changed_cb), self);
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g_signal_connect_after (source, "notify::priority",
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G_CALLBACK (neighbour_changed_cb), self);
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g_signal_connect (source, "notify::duration",
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G_CALLBACK (neighbour_changed_cb), self);
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g_signal_connect (source, "notify::track",
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G_CALLBACK (_track_changed_cb), self);
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}
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static void
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_disconnect_from_source (GESAutoTransition * self, GESTrackElement * source)
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{
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g_signal_handlers_disconnect_by_func (source, neighbour_changed_cb, self);
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g_signal_handlers_disconnect_by_func (source, _track_changed_cb, self);
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}
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void
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ges_auto_transition_set_previous_source (GESAutoTransition * self,
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GESTrackElement * source)
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{
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_disconnect_from_source (self, self->previous_source);
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_connect_to_source (self, source);
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self->previous_source = source;
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}
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static void
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@ -123,16 +152,8 @@ ges_auto_transition_finalize (GObject * object)
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{
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GESAutoTransition *self = GES_AUTO_TRANSITION (object);
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g_signal_handlers_disconnect_by_func (self->previous_source,
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neighbour_changed_cb, self);
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g_signal_handlers_disconnect_by_func (self->next_source, neighbour_changed_cb,
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self);
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g_signal_handlers_disconnect_by_func (self->next_source, _track_changed_cb,
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self);
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g_signal_handlers_disconnect_by_func (self->previous_source,
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_track_changed_cb, self);
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g_free (self->key);
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_disconnect_from_source (self, self->previous_source);
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_disconnect_from_source (self, self->next_source);
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G_OBJECT_CLASS (ges_auto_transition_parent_class)->finalize (object);
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}
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@ -149,7 +170,6 @@ ges_auto_transition_class_init (GESAutoTransitionClass * klass)
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object_class->finalize = ges_auto_transition_finalize;
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}
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GESAutoTransition *
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ges_auto_transition_new (GESTrackElement * transition,
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GESTrackElement * previous_source, GESTrackElement * next_source)
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@ -161,48 +181,26 @@ ges_auto_transition_new (GESTrackElement * transition,
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self->next_source = next_source;
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self->transition = transition;
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self->previous_clip =
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GES_CLIP (GES_TIMELINE_ELEMENT_PARENT (previous_source));
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self->next_clip = GES_CLIP (GES_TIMELINE_ELEMENT_PARENT (next_source));
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self->transition_clip = GES_CLIP (GES_TIMELINE_ELEMENT_PARENT (transition));
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g_signal_connect (previous_source, "notify::start",
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G_CALLBACK (neighbour_changed_cb), self);
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g_signal_connect_after (previous_source, "notify::priority",
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G_CALLBACK (neighbour_changed_cb), self);
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g_signal_connect (next_source, "notify::start",
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G_CALLBACK (neighbour_changed_cb), self);
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g_signal_connect (next_source, "notify::priority",
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G_CALLBACK (neighbour_changed_cb), self);
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g_signal_connect (previous_source, "notify::duration",
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G_CALLBACK (neighbour_changed_cb), self);
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g_signal_connect (next_source, "notify::duration",
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G_CALLBACK (neighbour_changed_cb), self);
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g_signal_connect (next_source, "notify::track",
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G_CALLBACK (_track_changed_cb), self);
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g_signal_connect (previous_source, "notify::track",
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G_CALLBACK (_track_changed_cb), self);
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_connect_to_source (self, previous_source);
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_connect_to_source (self, next_source);
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GST_DEBUG_OBJECT (self, "Created transition %" GST_PTR_FORMAT
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" between %" GST_PTR_FORMAT "[%" GST_TIME_FORMAT
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" - %" GST_TIME_FORMAT "] and: %" GST_PTR_FORMAT
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"[%" GST_TIME_FORMAT " - %" GST_TIME_FORMAT "]"
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" in layer nb %i, start: %" GST_TIME_FORMAT " duration: %"
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GST_TIME_FORMAT, transition, previous_source,
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" in layer nb %" G_GUINT32_FORMAT ", start: %" GST_TIME_FORMAT
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" duration: %" GST_TIME_FORMAT, transition, previous_source,
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GST_TIME_ARGS (_START (previous_source)),
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GST_TIME_ARGS (_END (previous_source)),
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next_source,
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GST_TIME_ARGS (_START (next_source)),
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GST_TIME_ARGS (_END (next_source)),
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ges_layer_get_priority (ges_clip_get_layer
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(self->previous_clip)),
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GES_TIMELINE_ELEMENT_LAYER_PRIORITY (next_source),
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GST_TIME_ARGS (_START (transition)),
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GST_TIME_ARGS (_DURATION (transition)));
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self->key = g_strdup_printf ("%p%p", self->previous_source,
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self->next_source);
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return self;
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}
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@ -211,5 +209,5 @@ ges_auto_transition_update (GESAutoTransition * self)
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{
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GST_INFO ("Updating info %s",
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GES_TIMELINE_ELEMENT_NAME (self->transition_clip));
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neighbour_changed_cb (self->previous_clip, NULL, self);
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neighbour_changed_cb (NULL, NULL, self);
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}
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@ -49,15 +49,9 @@ struct _GESAutoTransition
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GESTrackElement *next_source;
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GESTrackElement *transition;
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GESLayer *layer;
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GESClip *previous_clip;
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GESClip *next_clip;
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GESClip *transition_clip;
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gboolean positioning;
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gchar *key;
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gboolean frozen;
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/* Padding for API extension */
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@ -2204,7 +2204,7 @@ ges_clip_set_top_effect_index (GESClip * clip, GESBaseEffect * effect,
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GESClip *
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ges_clip_split (GESClip * clip, guint64 position)
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{
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GList *tmp;
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GList *tmp, *transitions = NULL;
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GESClip *new_object;
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GstClockTime start, inpoint, duration, old_duration, new_duration;
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gdouble media_duration_factor;
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@ -2272,6 +2272,7 @@ ges_clip_split (GESClip * clip, guint64 position)
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* binding values */
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track_for_copy = g_hash_table_new_full (NULL, NULL,
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gst_object_unref, gst_object_unref);
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/* _add_child will add core elements at the lowest priority and new
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* non-core effects at the lowest effect priority, so we need to add the
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* highest priority children first to preserve the effect order. The
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@ -2279,14 +2280,29 @@ ges_clip_split (GESClip * clip, guint64 position)
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for (tmp = GES_CONTAINER_CHILDREN (clip); tmp; tmp = tmp->next) {
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GESTrackElement *copy, *orig = tmp->data;
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GESTrack *track = ges_track_element_get_track (orig);
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GESAutoTransition *trans;
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/* FIXME: is position - start + inpoint always the correct splitting
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* point for control bindings? What coordinate system are control
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* bindings given in? */
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copy = ges_clip_copy_track_element_into (new_object, orig,
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position - start + inpoint);
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if (copy && track)
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if (!copy)
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continue;
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if (track)
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g_hash_table_insert (track_for_copy, gst_object_ref (copy),
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gst_object_ref (track));
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trans = timeline ?
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ges_timeline_get_auto_transition_at_end (timeline, orig) : NULL;
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if (trans) {
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trans->frozen = TRUE;
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ges_auto_transition_set_previous_source (trans, copy);
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transitions = g_list_append (transitions, trans);
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}
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}
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GES_TIMELINE_ELEMENT_SET_BEING_EDITED (clip);
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@ -2310,7 +2326,14 @@ ges_clip_split (GESClip * clip, guint64 position)
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}
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}
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for (tmp = transitions; tmp; tmp = tmp->next) {
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GESAutoTransition *trans = tmp->data;
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trans->frozen = FALSE;
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ges_auto_transition_update (trans);
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}
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g_hash_table_unref (track_for_copy);
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g_list_free_full (transitions, gst_object_unref);
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return new_object;
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}
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@ -106,6 +106,9 @@ GstDebugCategory * _ges_debug (void);
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G_GNUC_INTERNAL void
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ges_timeline_freeze_auto_transitions (GESTimeline * timeline, gboolean freeze);
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G_GNUC_INTERNAL GESAutoTransition *
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ges_timeline_get_auto_transition_at_end (GESTimeline * timeline, GESTrackElement * source);
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G_GNUC_INTERNAL gboolean
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ges_timeline_edit (GESTimeline * timeline, GESTimelineElement * element,
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GList * layers, gint64 new_layer_priority, GESEditMode mode, GESEdge edge,
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@ -155,6 +158,11 @@ ges_timeline_add_clip (GESTimeline * timeline, GESClip * clip);
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G_GNUC_INTERNAL void
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ges_timeline_remove_clip (GESTimeline * timeline, GESClip * clip);
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G_GNUC_INTERNAL void
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ges_auto_transition_set_previous_source (GESAutoTransition * self, GESTrackElement * source);
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G_GNUC_INTERNAL
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void
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track_resort_and_fill_gaps (GESTrack *track);
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@ -980,6 +980,34 @@ ges_timeline_find_auto_transition (GESTimeline * timeline,
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return NULL;
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}
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GESAutoTransition *
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ges_timeline_get_auto_transition_at_end (GESTimeline * timeline,
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GESTrackElement * source)
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{
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GList *tmp, *auto_transitions;
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GESAutoTransition *ret = NULL;
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LOCK_DYN (timeline);
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auto_transitions = g_list_copy_deep (timeline->priv->auto_transitions,
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(GCopyFunc) gst_object_ref, NULL);
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UNLOCK_DYN (timeline);
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for (tmp = auto_transitions; tmp; tmp = tmp->next) {
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GESAutoTransition *auto_trans = (GESAutoTransition *) tmp->data;
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/* We already have a transition linked to one of the elements we want to
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* find a transition for */
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if (auto_trans->previous_source == source) {
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ret = gst_object_ref (auto_trans);
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break;
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}
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}
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g_list_free_full (auto_transitions, gst_object_unref);
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return ret;
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}
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static GESAutoTransition *
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_create_auto_transition_from_transitions (GESTimeline * timeline,
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GESTrackElement * prev, GESTrackElement * next,
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@ -1168,12 +1196,12 @@ _edit_auto_transition (GESTimeline * timeline, GESTimelineElement * element,
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}
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if (edge == GES_EDGE_END)
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replace = GES_TIMELINE_ELEMENT (auto_transition->previous_clip);
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replace = GES_TIMELINE_ELEMENT (auto_transition->previous_source);
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else
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replace = GES_TIMELINE_ELEMENT (auto_transition->next_clip);
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replace = GES_TIMELINE_ELEMENT (auto_transition->next_source);
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GST_INFO_OBJECT (element, "Trimming clip %" GES_FORMAT " in place "
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"of trimming the corresponding auto-transition", GES_ARGS (replace));
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GST_INFO_OBJECT (element, "Trimming %" GES_FORMAT " in place of "
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"trimming the corresponding auto-transition", GES_ARGS (replace));
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return ges_timeline_element_edit (replace, layers, -1, mode, edge,
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position);
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}
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@ -308,6 +308,136 @@ GST_START_TEST (test_split_direct_absolute_bindings)
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GST_END_TEST;
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static GESTimelineElement *
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_find_auto_transition (GESTrack * track, GESClip * from_clip, GESClip * to_clip)
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{
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GstClockTime start, end;
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GList *tmp, *track_els;
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GESTimelineElement *ret = NULL;
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GESLayer *layer0, *layer1;
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layer0 = ges_clip_get_layer (from_clip);
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layer1 = ges_clip_get_layer (to_clip);
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fail_unless (layer0 == layer1, "%" GES_FORMAT " and %" GES_FORMAT " do not "
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"share the same layer", GES_ARGS (from_clip), GES_ARGS (to_clip));
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gst_object_unref (layer1);
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start = GES_TIMELINE_ELEMENT_START (to_clip);
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end = GES_TIMELINE_ELEMENT_START (from_clip)
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+ GES_TIMELINE_ELEMENT_DURATION (from_clip);
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fail_if (end <= start, "%" GES_FORMAT " starts after %" GES_FORMAT " ends",
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GES_ARGS (to_clip), GES_ARGS (from_clip));
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track_els = ges_track_get_elements (track);
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for (tmp = track_els; tmp; tmp = tmp->next) {
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GESTimelineElement *el = tmp->data;
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if (GES_IS_TRANSITION (el) && el->start == start
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&& (el->start + el->duration) == end) {
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fail_if (ret, "Found two transitions %" GES_FORMAT " and %" GES_FORMAT
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" between %" GES_FORMAT " and %" GES_FORMAT " in track %"
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GST_PTR_FORMAT, GES_ARGS (el), GES_ARGS (ret), GES_ARGS (from_clip),
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GES_ARGS (to_clip), track);
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ret = el;
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}
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}
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fail_unless (ret, "Found no transitions between %" GES_FORMAT " and %"
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GES_FORMAT " in track %" GST_PTR_FORMAT, GES_ARGS (from_clip),
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GES_ARGS (to_clip), track);
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g_list_free_full (track_els, gst_object_unref);
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fail_unless (GES_IS_CLIP (ret->parent), "Transition %" GES_FORMAT
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" between %" GES_FORMAT " and %" GES_FORMAT " in track %"
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GST_PTR_FORMAT " has no parent clip", GES_ARGS (ret),
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GES_ARGS (from_clip), GES_ARGS (to_clip), track);
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layer1 = ges_clip_get_layer (GES_CLIP (ret->parent));
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fail_unless (layer0 == layer1, "Transition %" GES_FORMAT " between %"
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GES_FORMAT " and %" GES_FORMAT " in track %" GST_PTR_FORMAT
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" belongs to layer %" GST_PTR_FORMAT " rather than %" GST_PTR_FORMAT,
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GES_ARGS (ret), GES_ARGS (from_clip), GES_ARGS (to_clip), track,
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layer1, layer0);
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gst_object_unref (layer0);
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gst_object_unref (layer1);
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return ret;
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}
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GST_START_TEST (test_split_with_auto_transitions)
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{
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GESTimeline *timeline;
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GESLayer *layer;
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GESTrack *tracks[3];
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GESTimelineElement *found;
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GESTimelineElement *prev_trans[3];
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GESTimelineElement *post_trans[3];
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GESAsset *asset;
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GESClip *clip, *split, *prev, *post;
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guint i;
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ges_init ();
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timeline = ges_timeline_new ();
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ges_timeline_set_auto_transition (timeline, TRUE);
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tracks[0] = GES_TRACK (ges_audio_track_new ());
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tracks[1] = GES_TRACK (ges_audio_track_new ());
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tracks[2] = GES_TRACK (ges_video_track_new ());
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for (i = 0; i < 3; i++)
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fail_unless (ges_timeline_add_track (timeline, tracks[i]));
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layer = ges_timeline_append_layer (timeline);
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asset = ges_asset_request (GES_TYPE_TEST_CLIP, NULL, NULL);
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prev = ges_layer_add_asset (layer, asset, 0, 0, 10, GES_TRACK_TYPE_UNKNOWN);
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clip = ges_layer_add_asset (layer, asset, 5, 0, 20, GES_TRACK_TYPE_UNKNOWN);
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post = ges_layer_add_asset (layer, asset, 20, 0, 10, GES_TRACK_TYPE_UNKNOWN);
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fail_unless (prev);
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fail_unless (clip);
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fail_unless (post);
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for (i = 0; i < 3; i++) {
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prev_trans[i] = _find_auto_transition (tracks[i], prev, clip);
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post_trans[i] = _find_auto_transition (tracks[i], clip, post);
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/* 3 sources, 2 auto-transitions */
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assert_num_in_track (tracks[i], 5);
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}
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/* cannot split within a transition */
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fail_if (ges_clip_split (clip, 5));
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fail_if (ges_clip_split (clip, 20));
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/* we should keep the same auto-transitions during a split */
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split = ges_clip_split (clip, 15);
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fail_unless (split);
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for (i = 0; i < 3; i++) {
|
||||
found = _find_auto_transition (tracks[i], prev, clip);
|
||||
fail_unless (found == prev_trans[i], "Transition between %" GES_FORMAT
|
||||
" and %" GES_FORMAT " changed", GES_ARGS (prev), GES_ARGS (clip));
|
||||
|
||||
found = _find_auto_transition (tracks[i], split, post);
|
||||
fail_unless (found == post_trans[i], "Transition between %" GES_FORMAT
|
||||
" and %" GES_FORMAT " changed", GES_ARGS (clip), GES_ARGS (post));
|
||||
}
|
||||
|
||||
gst_object_unref (timeline);
|
||||
gst_object_unref (asset);
|
||||
|
||||
ges_deinit ();
|
||||
}
|
||||
|
||||
GST_END_TEST;
|
||||
|
||||
static GPtrArray *
|
||||
_select_none (GESTimeline * timeline, GESClip * clip,
|
||||
GESTrackElement * track_element, guint * called_p)
|
||||
|
|
@ -3329,6 +3459,7 @@ ges_suite (void)
|
|||
tcase_add_test (tc_chain, test_split_ordering);
|
||||
tcase_add_test (tc_chain, test_split_direct_bindings);
|
||||
tcase_add_test (tc_chain, test_split_direct_absolute_bindings);
|
||||
tcase_add_test (tc_chain, test_split_with_auto_transitions);
|
||||
tcase_add_test (tc_chain, test_clip_group_ungroup);
|
||||
tcase_add_test (tc_chain, test_clip_can_group);
|
||||
tcase_add_test (tc_chain, test_adding_children_to_track);
|
||||
|
|
|
|||
Loading…
Reference in a new issue