gstreamer/ges/ges-timeline-tree.h
Henry Wilkes 142456d8ba errors: added edit errors
Added more errors to GES_ERROR for when edits fail (other than
programming or usage errors). Also promoted some GST messages if they
related to a usage error.

Also added explanation of timeline overlap rules in user docs.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-editing-services/-/merge_requests/177>
2020-05-22 19:15:57 +01:00

86 lines
4.2 KiB
C

#pragma once
#include <ges/ges.h>
#include "ges-auto-transition.h"
void timeline_tree_track_element (GNode *root,
GESTimelineElement *element);
void timeline_tree_stop_tracking_element (GNode *root,
GESTimelineElement *element);
gboolean timeline_tree_can_move_element (GNode *root,
GESTimelineElement *element,
guint32 priority,
GstClockTime start,
GstClockTime duration,
GError ** error);
gboolean timeline_tree_ripple (GNode *root,
GESTimelineElement *element,
gint64 layer_priority_offset,
GstClockTimeDiff offset,
GESEdge edge,
GstClockTime snapping_distance,
GError ** error);
void ges_timeline_emit_snapping (GESTimeline * timeline,
GESTrackElement * elem1,
GESTrackElement * elem2,
GstClockTime snap_time);
gboolean timeline_tree_trim (GNode *root,
GESTimelineElement *element,
gint64 layer_priority_offset,
GstClockTimeDiff offset,
GESEdge edge,
GstClockTime snapping_distance,
GError ** error);
gboolean timeline_tree_move (GNode *root,
GESTimelineElement *element,
gint64 layer_priority_offset,
GstClockTimeDiff offset,
GESEdge edge,
GstClockTime snapping_distance,
GError ** error);
gboolean timeline_tree_roll (GNode * root,
GESTimelineElement * element,
GstClockTimeDiff offset,
GESEdge edge,
GstClockTime snapping_distance,
GError ** error);
typedef GESAutoTransition *
(*GESTreeGetAutoTransitionFunc) (GESTimeline * timeline,
GESTrackElement * previous,
GESTrackElement * next,
GstClockTime transition_duration);
void
timeline_tree_create_transitions_for_track_element (GNode * root,
GESTrackElement * element,
GESTreeGetAutoTransitionFunc get_auto_transition);
void timeline_tree_create_transitions (GNode *root,
GESTreeGetAutoTransitionFunc get_auto_transition);
GstClockTime timeline_tree_get_duration (GNode *root);
void timeline_tree_debug (GNode * root);
GESAutoTransition *
ges_timeline_create_transition (GESTimeline * timeline, GESTrackElement * previous,
GESTrackElement * next, GESClip * transition,
GESLayer * layer, guint64 start, guint64 duration);
GESAutoTransition *
ges_timeline_find_auto_transition (GESTimeline * timeline, GESTrackElement * prev,
GESTrackElement * next, GstClockTime transition_duration);
void
timeline_update_duration (GESTimeline * timeline);
void timeline_tree_reset_layer_active (GNode *root, GESLayer *layer);
void timeline_tree_init_debug (void);