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712bda84db
There are cases where user might want to be in full control of the timeline and not be limited by the checks that are being done by GES to go from one timeline layout to another, this should be doable as it is a valid use case. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3501>
169 lines
5.4 KiB
C
169 lines
5.4 KiB
C
/* GStreamer Editing Services
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* Copyright (C) 2009 Edward Hervey <edward.hervey@collabora.co.uk>
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* 2009 Nokia Corporation
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include <glib-object.h>
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#include <gst/gst.h>
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#include <gst/pbutils/gstdiscoverer.h>
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#include <ges/ges-types.h>
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G_BEGIN_DECLS
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#define GES_TYPE_TIMELINE ges_timeline_get_type()
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GES_DECLARE_TYPE(Timeline, timeline, TIMELINE);
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#define GES_TIMELINE_GET_TRACKS(obj) (GES_TIMELINE (obj)->tracks)
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#define GES_TIMELINE_GET_LAYERS(obj) (GES_TIMELINE (obj)->layers)
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/**
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* ges_timeline_get_project:
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* @obj: The #GESTimeline from which to retrieve the project
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*
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* Helper macro to retrieve the project from which @obj was extracted
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*/
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#define ges_timeline_get_project(obj) (GES_PROJECT (ges_extractable_get_asset (GES_EXTRACTABLE(obj))))
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typedef struct _GESTimelinePrivate GESTimelinePrivate;
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/**
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* GESTimeline:
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* @layers: (element-type GES.Layer): A list of #GESLayer-s sorted by
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* priority. NOTE: Do not modify.
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* @tracks: Deprecated:1.10: (element-type GES.Track): This is not thread
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* safe, use #ges_timeline_get_tracks instead.
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*/
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struct _GESTimeline {
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GstBin parent;
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/*< public > */
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/* <readonly> */
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GList *layers;
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GList *tracks;
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/*< private >*/
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GESTimelinePrivate *priv;
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/* Padding for API extension */
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gpointer _ges_reserved[GES_PADDING];
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};
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/**
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* GESTimelineClass:
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* @parent_class: parent class
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*/
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struct _GESTimelineClass {
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GstBinClass parent_class;
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/*< private >*/
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void (*track_added) (GESTimeline *timeline, GESTrack * track);
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void (*track_removed) (GESTimeline *timeline, GESTrack * track);
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void (*layer_added) (GESTimeline *timeline, GESLayer *layer);
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void (*layer_removed) (GESTimeline *timeline, GESLayer *layer);
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void (*group_added) (GESTimeline *timeline, GESGroup *group);
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void (*group_removed) (GESTimeline *timeline, GESGroup *group, GPtrArray *children);
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/* Padding for API extension */
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gpointer _ges_reserved[GES_PADDING];
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};
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GES_API
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GESTimeline* ges_timeline_new (void);
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GES_API
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GESTimeline* ges_timeline_new_from_uri (const gchar *uri, GError **error);
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GES_API
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gboolean ges_timeline_load_from_uri (GESTimeline *timeline, const gchar *uri, GError **error);
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GES_API
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gboolean ges_timeline_save_to_uri (GESTimeline * timeline, const gchar * uri,
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GESAsset *formatter_asset, gboolean overwrite, GError ** error);
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GES_API
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gboolean ges_timeline_add_layer (GESTimeline *timeline, GESLayer *layer);
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GES_API
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GESLayer * ges_timeline_append_layer (GESTimeline * timeline);
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GES_API
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gboolean ges_timeline_remove_layer (GESTimeline *timeline, GESLayer *layer);
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GES_API
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GList* ges_timeline_get_layers (GESTimeline *timeline);
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GES_API
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GESLayer* ges_timeline_get_layer (GESTimeline *timeline, guint priority);
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GES_API
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gboolean ges_timeline_add_track (GESTimeline *timeline, GESTrack *track);
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GES_API
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gboolean ges_timeline_remove_track (GESTimeline *timeline, GESTrack *track);
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GES_API
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GESTrack * ges_timeline_get_track_for_pad (GESTimeline *timeline, GstPad *pad);
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GES_API
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GstPad * ges_timeline_get_pad_for_track (GESTimeline * timeline, GESTrack *track);
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GES_API
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GList *ges_timeline_get_tracks (GESTimeline *timeline);
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GES_API
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GList* ges_timeline_get_groups (GESTimeline * timeline);
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GES_API
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gboolean ges_timeline_commit (GESTimeline * timeline);
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GES_API
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gboolean ges_timeline_commit_sync (GESTimeline * timeline);
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GES_API
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void ges_timeline_freeze_commit (GESTimeline * timeline);
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GES_API
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void ges_timeline_thaw_commit (GESTimeline * timeline);
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GES_API
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GstClockTime ges_timeline_get_duration (GESTimeline *timeline);
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GES_API
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gboolean ges_timeline_get_auto_transition (GESTimeline * timeline);
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GES_API
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void ges_timeline_set_auto_transition (GESTimeline * timeline, gboolean auto_transition);
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GES_API
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GstClockTime ges_timeline_get_snapping_distance (GESTimeline * timeline);
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GES_API
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void ges_timeline_set_snapping_distance (GESTimeline * timeline, GstClockTime snapping_distance);
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GES_API
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GESTimelineElement * ges_timeline_get_element (GESTimeline * timeline, const gchar *name);
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GES_API
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gboolean ges_timeline_is_empty (GESTimeline * timeline);
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GES_API
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GESTimelineElement * ges_timeline_paste_element (GESTimeline * timeline,
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GESTimelineElement * element, GstClockTime position, gint layer_priority);
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GES_API
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gboolean ges_timeline_move_layer (GESTimeline *timeline, GESLayer *layer, guint new_layer_priority);
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GES_API
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GstClockTime ges_timeline_get_frame_time(GESTimeline *self,
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GESFrameNumber frame_number);
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GES_API
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GESFrameNumber ges_timeline_get_frame_at (GESTimeline *self,
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GstClockTime timestamp);
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GES_API
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void ges_timeline_disable_edit_apis (GESTimeline * self, gboolean disable_edit_apis);
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GES_API
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gboolean ges_timeline_get_edit_apis_disabled (GESTimeline * self);
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G_END_DECLS
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