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30a821e136
Only check the overlaps with the actual track element that was just added to the track. This reduces the tree traversal by one order. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-editing-services/-/merge_requests/169>
82 lines
3.9 KiB
C
82 lines
3.9 KiB
C
#pragma once
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#include <ges/ges.h>
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#include "ges-auto-transition.h"
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void timeline_tree_track_element (GNode *root,
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GESTimelineElement *element);
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void timeline_tree_stop_tracking_element (GNode *root,
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GESTimelineElement *element);
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gboolean timeline_tree_can_move_element (GNode *root,
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GESTimelineElement *element,
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guint32 priority,
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GstClockTime start,
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GstClockTime duration);
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gboolean timeline_tree_ripple (GNode *root,
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GESTimelineElement *element,
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gint64 layer_priority_offset,
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GstClockTimeDiff offset,
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GESEdge edge,
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GstClockTime snapping_distance);
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void ges_timeline_emit_snapping (GESTimeline * timeline,
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GESTrackElement * elem1,
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GESTrackElement * elem2,
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GstClockTime snap_time);
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gboolean timeline_tree_trim (GNode *root,
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GESTimelineElement *element,
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gint64 layer_priority_offset,
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GstClockTimeDiff offset,
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GESEdge edge,
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GstClockTime snapping_distance);
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gboolean timeline_tree_move (GNode *root,
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GESTimelineElement *element,
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gint64 layer_priority_offset,
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GstClockTimeDiff offset,
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GESEdge edge,
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GstClockTime snapping_distance);
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gboolean timeline_tree_roll (GNode * root,
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GESTimelineElement * element,
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GstClockTimeDiff offset,
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GESEdge edge,
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GstClockTime snapping_distance);
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typedef GESAutoTransition *
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(*GESTreeGetAutoTransitionFunc) (GESTimeline * timeline,
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GESTrackElement * previous,
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GESTrackElement * next,
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GstClockTime transition_duration);
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void
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timeline_tree_create_transitions_for_track_element (GNode * root,
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GESTrackElement * element,
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GESTreeGetAutoTransitionFunc get_auto_transition);
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void timeline_tree_create_transitions (GNode *root,
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GESTreeGetAutoTransitionFunc get_auto_transition);
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GstClockTime timeline_tree_get_duration (GNode *root);
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void timeline_tree_debug (GNode * root);
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GESAutoTransition *
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ges_timeline_create_transition (GESTimeline * timeline, GESTrackElement * previous,
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GESTrackElement * next, GESClip * transition,
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GESLayer * layer, guint64 start, guint64 duration);
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GESAutoTransition *
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ges_timeline_find_auto_transition (GESTimeline * timeline, GESTrackElement * prev,
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GESTrackElement * next, GstClockTime transition_duration);
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void
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timeline_update_duration (GESTimeline * timeline);
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void timeline_tree_reset_layer_active (GNode *root, GESLayer *layer);
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void timeline_tree_init_debug (void);
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