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a46390ff56
This is implemented on top of a Tree that represents the whole timeline. SourceClips can not fully overlap anymore and the tests have been updated to take that into account. Some new tests were added to verify that behaviour in greater details
80 lines
3.8 KiB
C
80 lines
3.8 KiB
C
#ifndef __GES_TIMELINE_TREE__
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#define __GES_TIMELINE_TREE__
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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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GList *moving_track_elements);
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gboolean timeline_tree_ripple (GNode *root,
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gint64 layer_priority_offset,
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GstClockTimeDiff offset,
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GESTimelineElement *rippled_element,
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GESEdge moving_edge,
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GstClockTime snapping_distance);
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void ges_timeline_emit_snapping (GESTimeline * timeline,
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GESTimelineElement * elem1,
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GESTimelineElement * 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 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_init_debug (void);
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#endif // __GES_TIMELINE_TREE__
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