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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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timeline-tree: take time effects into account when trimming
When trimming the start of a clip, we want to set the in-point of its children such that whatever data was at the timeline time T still remains at the timeline time T after the trim, where T = MAX (prev_start, new_start) Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-editing-services/-/merge_requests/177>
This commit is contained in:
Henry Wilkes
parent
364c112d66
commit
478db52ded
5 changed files with 264 additions and 60 deletions
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@ -581,6 +581,26 @@ _child_priority_changed (GESContainer * container, GESTimelineElement * child)
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* in-point *
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****************************************************/
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GstClockTime
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ges_clip_duration_limit_with_new_children_inpoints (GESClip * clip,
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GHashTable * child_inpoints)
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{
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GHashTableIter iter;
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gpointer key, value;
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GList *child_data = NULL;
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g_hash_table_iter_init (&iter, child_inpoints);
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while (g_hash_table_iter_next (&iter, &key, &value)) {
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GESTrackElement *child = key;
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GstClockTime *inpoint_p = value;
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DurationLimitData *data = _duration_limit_data_new (child);
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data->inpoint = *inpoint_p;
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child_data = g_list_prepend (child_data, data);
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}
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return _calculate_duration_limit (clip, child_data);
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}
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static gboolean
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_can_set_inpoint_of_core_children (GESClip * clip, GstClockTime inpoint,
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GError ** error)
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@ -3901,6 +3921,13 @@ _convert_core_time (GESClip * clip, GstClockTime time, gboolean to_timeline,
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return converted;
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}
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GstClockTime
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ges_clip_get_core_internal_time_from_timeline_time (GESClip * clip,
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GstClockTime timeline_time, gboolean * no_core, GError ** error)
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{
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return _convert_core_time (clip, timeline_time, FALSE, no_core, error);
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}
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/**
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* ges_clip_get_timeline_time_from_source_frame:
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* @clip: A #GESClip
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@ -429,10 +429,10 @@ GType ges_pipeline_flags_get_type (void);
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* + START-TRIM: This cuts or grows the start of the element, whilst
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* maintaining the time at which its internal content appears in the
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* timeline data output. If the element is made shorter, the data that
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* appeared at the edit position and later will still appear in the
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* timeline at the same time. If the element is made longer, the data
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* that appeared at the previous start of the element and later will
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* still appear in the timeline at the same time.
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* appeared at the edit position will still appear in the timeline at
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* the same time. If the element is made longer, the data that appeared
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* at the previous start of the element will still appear in the
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* timeline at the same time.
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* + END-TRIM: Similar to START-TRIM, but the end of the element is cut or
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* grown.
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*
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@ -417,6 +417,8 @@ G_GNUC_INTERNAL gboolean ges_clip_can_set_active_of_child (GESClip * cl
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G_GNUC_INTERNAL gboolean ges_clip_can_set_priority_of_child (GESClip * clip, GESTrackElement * child, guint32 priority, GError ** error);
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G_GNUC_INTERNAL gboolean ges_clip_can_set_track_of_child (GESClip * clip, GESTrackElement * child, GESTrack * tack, GError ** error);
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G_GNUC_INTERNAL gboolean ges_clip_can_set_time_property_of_child (GESClip * clip, GESTrackElement * child, GObject * prop_object, GParamSpec * pspec, const GValue * value, GError ** error);
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G_GNUC_INTERNAL GstClockTime ges_clip_duration_limit_with_new_children_inpoints (GESClip * clip, GHashTable * child_inpoints);
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G_GNUC_INTERNAL GstClockTime ges_clip_get_core_internal_time_from_timeline_time (GESClip * clip, GstClockTime timeline_time, gboolean * no_core, GError ** error);
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G_GNUC_INTERNAL void ges_clip_empty_from_track (GESClip * clip, GESTrack * track);
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/****************************************************
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@ -51,6 +51,7 @@ typedef enum
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EDIT_MOVE,
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EDIT_TRIM_START,
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EDIT_TRIM_END,
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EDIT_TRIM_INPOINT_ONLY,
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} ElementEditMode;
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typedef struct _EditData
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@ -385,6 +386,9 @@ get_start_end_from_offset (GESTimelineElement * element, ElementEditMode mode,
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*negative_start = FALSE;
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new_end = _clock_time_minus_diff (current_end, offset, negative_end);
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break;
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case EDIT_TRIM_INPOINT_ONLY:
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GST_ERROR_OBJECT (element, "Trim in-point only not handled");
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break;
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}
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if (start)
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*start = new_start;
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@ -547,6 +551,9 @@ timeline_tree_snap (GNode * root, GESTimelineElement * element,
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g_node_traverse (node, G_IN_ORDER, G_TRAVERSE_LEAVES, -1,
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(GNodeTraverseFunc) find_source_at_edge, &data);
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break;
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case EDIT_TRIM_INPOINT_ONLY:
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GST_ERROR_OBJECT (element, "Trim in-point only not handled");
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goto done;
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}
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for (tmp = data.sources; tmp; tmp = tmp->next) {
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@ -588,6 +595,9 @@ timeline_tree_snap (GNode * root, GESTimelineElement * element,
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/* only snap the start of the source */
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find_snap_for_element (source, end, negative_end, &data);
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break;
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case EDIT_TRIM_INPOINT_ONLY:
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GST_ERROR_OBJECT (element, "Trim in-point only not handled");
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goto done;
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}
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}
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@ -908,6 +918,18 @@ set_breaks_duration_limit_error (GError ** error, GESClip * clip,
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GST_TIME_ARGS (duration_limit));
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}
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static void
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set_inpoint_breaks_max_duration_error (GError ** error,
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GESTimelineElement * element, GstClockTime inpoint,
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GstClockTime max_duration)
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{
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g_set_error (error, GES_ERROR, GES_ERROR_NOT_ENOUGH_INTERNAL_CONTENT,
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"The element \"%s\" would have an in-point of %" GST_TIME_FORMAT
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" that would break its max-duration of %" GST_TIME_FORMAT,
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GES_TIMELINE_ELEMENT_NAME (element), GST_TIME_ARGS (inpoint),
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GST_TIME_ARGS (max_duration));
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}
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static gboolean
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set_layer_priority (GESTimelineElement * element, EditData * data,
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GError ** error)
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@ -981,60 +1003,123 @@ set_edit_move_values (GESTimelineElement * element, EditData * data,
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}
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static gboolean
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set_edit_trim_start_inpoint_value (GESTimelineElement * element,
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EditData * data, GError ** error)
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{
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gboolean negative = FALSE;
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GstClockTime new_inpoint = _clock_time_minus_diff (element->inpoint,
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data->offset, &negative);
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if (negative || !GST_CLOCK_TIME_IS_VALID (new_inpoint)) {
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GST_INFO_OBJECT (element, "Cannot trim start of %" GES_FORMAT
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" with offset %" G_GINT64_FORMAT " because it would result in an "
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"invalid in-point", GES_ARGS (element), data->offset);
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if (negative)
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set_negative_inpoint_error (error, element, new_inpoint);
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return FALSE;
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}
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data->inpoint = new_inpoint;
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return TRUE;
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}
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static gboolean
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set_edit_trim_start_non_core_children (GESTimelineElement * clip,
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GstClockTimeDiff offset, GHashTable * edit_table, GError ** error)
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set_edit_trim_start_clip_inpoints (GESClip * clip, EditData * clip_data,
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GHashTable * edit_table, GError ** error)
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{
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gboolean ret = FALSE;
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GList *tmp;
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GESTimelineElement *child;
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GESTrackElement *el;
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EditData *data;
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GstClockTime duration_limit;
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GstClockTime clip_inpoint;
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GstClockTime new_start = clip_data->start;
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gboolean no_core = FALSE;
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GHashTable *child_inpoints;
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child_inpoints = g_hash_table_new_full (NULL, NULL, gst_object_unref, g_free);
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clip_inpoint = ges_clip_get_core_internal_time_from_timeline_time (clip,
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new_start, &no_core, error);
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if (no_core) {
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GST_INFO_OBJECT (clip, "Clip %" GES_FORMAT " has no active core "
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"children with an internal source. Not setting in-point during "
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"trim to start", GES_ARGS (clip));
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clip_inpoint = GES_TIMELINE_ELEMENT_INPOINT (clip);
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} else if (!GST_CLOCK_TIME_IS_VALID (clip_inpoint)) {
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GST_INFO_OBJECT (clip, "Cannot trim start of %" GES_FORMAT
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" with offset %" G_GINT64_FORMAT " because it would result in an "
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"invalid in-point for its core children", GES_ARGS (clip),
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clip_data->offset);
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goto done;
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} else {
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GST_INFO_OBJECT (clip, "Clip %" GES_FORMAT " will have its in-point "
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" set to %" GST_TIME_FORMAT " because its start is being trimmed "
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"to %" GST_TIME_FORMAT, GES_ARGS (clip),
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GST_TIME_ARGS (clip_inpoint), GST_TIME_ARGS (new_start));
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clip_data->inpoint = clip_inpoint;
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}
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/* need to set in-point of active non-core children to keep their
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* internal content at the same timeline position. This also ensures
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* the duration-limit will not be broken */
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* internal content at the same timeline position */
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for (tmp = GES_CONTAINER_CHILDREN (clip); tmp; tmp = tmp->next) {
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child = tmp->data;
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el = tmp->data;
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if (ges_track_element_has_internal_source (el)
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&& ges_track_element_is_active (el)
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&& !ges_track_element_is_core (el)) {
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GESTimelineElement *child = tmp->data;
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GESTrackElement *el = tmp->data;
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GstClockTime new_inpoint = child->inpoint;
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GstClockTime *inpoint_p;
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GST_INFO_OBJECT (child, "Setting track element %s to trim in-point "
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"with offset %" G_GINT64_FORMAT " since the parent clip %"
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GES_FORMAT " is being trimmed at its start", child->name, offset,
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GES_ARGS (clip));
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if (ges_track_element_has_internal_source (el)) {
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if (ges_track_element_is_core (el)) {
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new_inpoint = clip_inpoint;
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} else if (ges_track_element_is_active (el)) {
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EditData *data;
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if (g_hash_table_contains (edit_table, child)) {
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GST_ERROR_OBJECT (child, "Already set to be edited");
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return FALSE;
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if (g_hash_table_contains (edit_table, child)) {
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GST_ERROR_OBJECT (child, "Already set to be edited");
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goto done;
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}
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new_inpoint = ges_clip_get_internal_time_from_timeline_time (clip, el,
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new_start, error);
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if (!GST_CLOCK_TIME_IS_VALID (new_inpoint)) {
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GST_INFO_OBJECT (clip, "Cannot trim start of %" GES_FORMAT
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" to %" GST_TIME_FORMAT " because it would result in an "
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"invalid in-point for the non-core child %" GES_FORMAT,
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GES_ARGS (clip), GST_TIME_ARGS (new_start), GES_ARGS (child));
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goto done;
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}
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GST_INFO_OBJECT (child, "Setting track element %s to trim "
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"in-point to %" GST_TIME_FORMAT " since the parent clip %"
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GES_FORMAT " is being trimmed to start %" GST_TIME_FORMAT,
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child->name, GST_TIME_ARGS (new_inpoint), GES_ARGS (clip),
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GST_TIME_ARGS (new_start));
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data = new_edit_data (EDIT_TRIM_INPOINT_ONLY, 0, 0);
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data->inpoint = new_inpoint;
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g_hash_table_insert (edit_table, child, data);
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}
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data = new_edit_data (EDIT_TRIM_START, offset, 0);
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g_hash_table_insert (edit_table, child, data);
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if (!set_edit_trim_start_inpoint_value (child, data, error))
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return FALSE;
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}
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if (GES_CLOCK_TIME_IS_LESS (child->maxduration, new_inpoint)) {
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GST_INFO_OBJECT (clip, "Cannot trim start of %" GES_FORMAT
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" to %" GST_TIME_FORMAT " because it would result in an "
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"in-point of %" GST_TIME_FORMAT " for the child %" GES_FORMAT
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", which breaks its max-duration", GES_ARGS (clip),
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GST_TIME_ARGS (new_start), GST_TIME_ARGS (new_inpoint),
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GES_ARGS (child));
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set_inpoint_breaks_max_duration_error (error, child, new_inpoint,
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child->maxduration);
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goto done;
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}
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inpoint_p = g_new (GstClockTime, 1);
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*inpoint_p = new_inpoint;
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g_hash_table_insert (child_inpoints, gst_object_ref (child), inpoint_p);
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}
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return TRUE;
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duration_limit =
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ges_clip_duration_limit_with_new_children_inpoints (clip, child_inpoints);
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if (GES_CLOCK_TIME_IS_LESS (duration_limit, clip_data->duration)) {
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GST_INFO_OBJECT (clip, "Cannot trim start of %" GES_FORMAT
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" to %" GST_TIME_FORMAT " because it would result in a "
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"duration of %" GST_TIME_FORMAT " that breaks its new "
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"duration-limit of %" GST_TIME_FORMAT, GES_ARGS (clip),
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GST_TIME_ARGS (new_start), GST_TIME_ARGS (clip_data->duration),
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GST_TIME_ARGS (duration_limit));
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set_breaks_duration_limit_error (error, clip, clip_data->duration,
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duration_limit);
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goto done;
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}
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ret = TRUE;
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done:
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g_hash_table_unref (child_inpoints);
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return ret;
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}
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/* trim the start of a clip or a track element */
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@ -1076,21 +1161,23 @@ set_edit_trim_start_values (GESTimelineElement * element, EditData * data,
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return TRUE;
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if (GES_IS_CLIP (element)) {
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if (!set_edit_trim_start_inpoint_value (element, data, error))
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return FALSE;
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if (!set_edit_trim_start_non_core_children (element, data->offset,
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if (!set_edit_trim_start_clip_inpoints (GES_CLIP (element), data,
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edit_table, error))
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return FALSE;
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} else if (GES_IS_TRACK_ELEMENT (element)
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&& ges_track_element_has_internal_source (GES_TRACK_ELEMENT (element))) {
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if (!set_edit_trim_start_inpoint_value (element, data, error))
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return FALSE;
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}
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GstClockTime new_inpoint =
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_clock_time_minus_diff (element->inpoint, data->offset, &negative);
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/* NOTE: without time effects, the duration-limit will increase with
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* a decrease in in-point by the same amount that duration increases,
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* and vis-versa. So the new duration-limit should remain above the
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* new duration */
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if (negative || !GST_CLOCK_TIME_IS_VALID (new_inpoint)) {
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GST_INFO_OBJECT (element, "Cannot trim start of %" GES_FORMAT
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" with offset %" G_GINT64_FORMAT " because it would result in "
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"an invalid in-point", GES_ARGS (element), data->offset);
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if (negative)
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set_negative_inpoint_error (error, element, new_inpoint);
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return FALSE;
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}
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}
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GST_INFO_OBJECT (element, "%s will trim start by setting start to %"
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GST_TIME_FORMAT ", in-point to %" GST_TIME_FORMAT " and duration "
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@ -1155,6 +1242,9 @@ set_edit_values (GESTimelineElement * element, EditData * data,
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return set_edit_trim_start_values (element, data, edit_table, error);
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case EDIT_TRIM_END:
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return set_edit_trim_end_values (element, data, error);
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case EDIT_TRIM_INPOINT_ONLY:
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GST_ERROR_OBJECT (element, "Trim in-point only not handled");
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return FALSE;
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}
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return FALSE;
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}
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@ -1504,6 +1594,9 @@ add_element_edit (GHashTable * edits, GESTimelineElement * element,
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case EDIT_TRIM_END:
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GST_LOG_OBJECT (element, "%s set to trim end", element->name);
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break;
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case EDIT_TRIM_INPOINT_ONLY:
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GST_ERROR_OBJECT (element, "%s set to trim in-point only", element->name);
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return FALSE;
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}
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g_hash_table_insert (edits, element, new_edit_data (mode, 0, 0));
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@ -1674,6 +1767,11 @@ perform_element_edit (GESTimelineElement * element, EditData * edit)
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GST_TIME_ARGS (_END (element)),
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GST_TIME_ARGS (element->start + edit->duration));
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break;
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case EDIT_TRIM_INPOINT_ONLY:
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GST_INFO_OBJECT (element, "Trimming %s in-point from %"
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GST_TIME_FORMAT " to %" GST_TIME_FORMAT, element->name,
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GST_TIME_ARGS (element->inpoint), GST_TIME_ARGS (edit->inpoint));
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break;
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}
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if (!GES_IS_CLIP (element) && !GES_IS_TRACK_ELEMENT (element)) {
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@ -577,7 +577,7 @@ class TestEditing(common.GESSimpleTimelineTest):
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self.assertEqual(effect3.inpoint, 20)
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self.assertTrue(
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clip.edit([], -1, GES.EditMode.EDIT_TRIM, GES.Edge.EDGE_START, 5))
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clip.edit_full(-1, GES.EditMode.EDIT_TRIM, GES.Edge.EDGE_START, 5))
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self.assertEqual(clip.start, 5)
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self.assertEqual(clip.duration, 15)
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@ -594,7 +594,7 @@ class TestEditing(common.GESSimpleTimelineTest):
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self.assertEqual(effect3.inpoint, 20)
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self.assertTrue(
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clip.edit([], -1, GES.EditMode.EDIT_TRIM, GES.Edge.EDGE_START, 15))
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clip.edit_full(-1, GES.EditMode.EDIT_TRIM, GES.Edge.EDGE_START, 15))
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self.assertEqual(clip.start, 15)
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self.assertEqual(clip.duration, 5)
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@ -610,6 +610,83 @@ class TestEditing(common.GESSimpleTimelineTest):
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self.assertEqual(effect2.inpoint, 13)
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self.assertEqual(effect3.inpoint, 20)
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def test_trim_time_effects(self):
|
||||
self.track_types = [GES.TrackType.VIDEO]
|
||||
super().setUp()
|
||||
clip = self.append_clip()
|
||||
self.assertTrue(clip.set_inpoint(12))
|
||||
self.assertTrue(clip.set_max_duration(30))
|
||||
self.assertEqual(clip.get_duration_limit(), 18)
|
||||
|
||||
children = clip.get_children(False)
|
||||
self.assertTrue(children)
|
||||
self.assertEqual(len(children), 1)
|
||||
|
||||
source = children[0]
|
||||
self.assertEqual(source.get_inpoint(), 12)
|
||||
self.assertEqual(source.get_max_duration(), 30)
|
||||
|
||||
rate0 = GES.Effect.new("videorate rate=0.25")
|
||||
|
||||
overlay = GES.Effect.new("textoverlay")
|
||||
overlay.set_has_internal_source(True)
|
||||
self.assertTrue(overlay.set_inpoint(5))
|
||||
self.assertTrue(overlay.set_max_duration(16))
|
||||
|
||||
rate1 = GES.Effect.new("videorate rate=2.0")
|
||||
|
||||
self.assertTrue(clip.add(rate0))
|
||||
self.assertTrue(clip.add(overlay))
|
||||
self.assertTrue(clip.add(rate1))
|
||||
|
||||
# source -> rate1 -> overlay -> rate0
|
||||
# in-point/max-dur 12-30 5-16
|
||||
# internal
|
||||
# start/end 12-30 0-9 5-14 0-36
|
||||
self.assertEqual(clip.get_duration_limit(), 36)
|
||||
self.assertTrue(clip.set_start(40))
|
||||
self.assertTrue(clip.set_duration(10))
|
||||
|
||||
# cannot trim to a 16 because overlay would have a negative in-point
|
||||
error = None
|
||||
try:
|
||||
clip.edit_full(-1, GES.EditMode.EDIT_TRIM, GES.Edge.EDGE_START, 16)
|
||||
except GLib.Error as err:
|
||||
error = err
|
||||
self.assertGESError(error, GES.Error.NEGATIVE_TIME)
|
||||
|
||||
self.assertEqual(clip.get_start(), 40)
|
||||
self.assertEqual(clip.get_duration(), 10)
|
||||
self.assertEqual(source.get_inpoint(), 12)
|
||||
self.assertEqual(source.get_max_duration(), 30)
|
||||
self.assertEqual(overlay.get_inpoint(), 5)
|
||||
self.assertEqual(overlay.get_max_duration(), 16)
|
||||
|
||||
# trim backwards to 20
|
||||
self.assertTrue(
|
||||
clip.edit_full(-1, GES.EditMode.EDIT_TRIM, GES.Edge.EDGE_START, 20))
|
||||
|
||||
self.assertEqual(clip.get_start(), 20)
|
||||
self.assertEqual(clip.get_duration(), 30)
|
||||
# reduced by 10
|
||||
self.assertEqual(source.get_inpoint(), 2)
|
||||
self.assertEqual(source.get_max_duration(), 30)
|
||||
# reduced by 5
|
||||
self.assertEqual(overlay.get_inpoint(), 0)
|
||||
self.assertEqual(overlay.get_max_duration(), 16)
|
||||
|
||||
# trim forwards to 28
|
||||
self.assertTrue(
|
||||
clip.edit_full(-1, GES.EditMode.EDIT_TRIM, GES.Edge.EDGE_START, 28))
|
||||
self.assertEqual(clip.get_start(), 28)
|
||||
self.assertEqual(clip.get_duration(), 22)
|
||||
# increased by 4
|
||||
self.assertEqual(source.get_inpoint(), 6)
|
||||
self.assertEqual(source.get_max_duration(), 30)
|
||||
# increased by 2
|
||||
self.assertEqual(overlay.get_inpoint(), 2)
|
||||
self.assertEqual(overlay.get_max_duration(), 16)
|
||||
|
||||
def test_ripple_end(self):
|
||||
clip = self.append_clip()
|
||||
clip.set_max_duration(20)
|
||||
|
|
|
|||
Loading…
Reference in a new issue