ges/ges-timeline-tree.h

   1 #ifndef __GES_TIMELINE_TREE__
   2 #define __GES_TIMELINE_TREE__
   3
   4 #include <ges/ges.h>
   5 #include "ges-auto-transition.h"
   6
   7 void timeline_tree_track_element          (GNode *root,
   8                                            GESTimelineElement *element);
   9
  10 void timeline_tree_stop_tracking_element  (GNode *root,
  11                                            GESTimelineElement *element);
  12
  13 gboolean timeline_tree_can_move_element   (GNode *root,
  14                                            GESTimelineElement *element,
  15                                            guint32 priority,
  16                                            GstClockTime start,
  17                                            GstClockTime duration,
  18                                            GList *moving_track_elements);
  19
  20 gboolean timeline_tree_ripple             (GNode *root,
  21                                            gint64 layer_priority_offset,
  22                                            GstClockTimeDiff offset,
  23                                            GESTimelineElement *rippled_element,
  24                                            GESEdge moving_edge,
  25                                            GstClockTime snapping_distance);
  26
  27 void ges_timeline_emit_snapping           (GESTimeline * timeline,
  28                                            GESTimelineElement * elem1,
  29                                            GESTimelineElement * elem2,
  30                                            GstClockTime snap_time);
  31
  32 gboolean timeline_tree_trim               (GNode *root,
  33                                            GESTimelineElement *element,
  34                                            gint64 layer_priority_offset,
  35                                            GstClockTimeDiff offset,
  36                                            GESEdge edge,
  37                                            GstClockTime snapping_distance);
  38
  39
  40 gboolean timeline_tree_move               (GNode *root,
  41                                            GESTimelineElement *element,
  42                                            gint64 layer_priority_offset,
  43                                            GstClockTimeDiff offset,
  44                                            GESEdge edge,
  45                                            GstClockTime snapping_distance);
  46
  47 gboolean timeline_tree_roll               (GNode * root,
  48                                            GESTimelineElement * element,
  49                                            GstClockTimeDiff offset,
  50                                            GESEdge edge,
  51                                            GstClockTime snapping_distance);
  52
  53 typedef GESAutoTransition *
  54 (*GESTreeGetAutoTransitionFunc)           (GESTimeline * timeline,
  55                                            GESTrackElement * previous,
  56                                            GESTrackElement * next,
  57                                            GstClockTime transition_duration);
  58
  59 void timeline_tree_create_transitions     (GNode *root,
  60                                            GESTreeGetAutoTransitionFunc get_auto_transition);
  61
  62 GstClockTime timeline_tree_get_duration   (GNode *root);
  63
  64 void timeline_tree_debug                  (GNode * root);
  65
  66 GESAutoTransition *
  67 ges_timeline_create_transition           (GESTimeline * timeline, GESTrackElement * previous,
  68                                            GESTrackElement * next, GESClip * transition,
  69                                            GESLayer * layer, guint64 start, guint64 duration);
  70 GESAutoTransition *
  71 ges_timeline_find_auto_transition         (GESTimeline * timeline, GESTrackElement * prev,
  72                                            GESTrackElement * next, GstClockTime transition_duration);
  73
  74 void
  75 timeline_update_duration                  (GESTimeline * timeline);
  76
  77 void timeline_tree_init_debug             (void);
  78
  79 #endif // __GES_TIMELINE_TREE__