2009-08-04 15:13:11 +00:00
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/* GStreamer Editing Services
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2009-11-30 14:14:25 +00:00
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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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2012-12-20 14:28:39 +00:00
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* 2012 Thibault Saunier <tsaunier@gnome.org>
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2012-12-20 23:23:54 +00:00
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* 2012 Collabora Ltd.
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* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
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2009-08-04 15:13:11 +00:00
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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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2012-11-04 00:25:20 +00:00
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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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2009-08-04 15:13:11 +00:00
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*/
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2009-09-10 16:40:51 +00:00
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/**
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* SECTION:ges-timeline
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* @short_description: Multimedia timeline
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*
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* #GESTimeline is the central object for any multimedia timeline.
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2011-01-08 10:22:36 +00:00
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*
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2009-09-10 16:40:51 +00:00
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* Contains a list of #GESTimelineLayer which users should use to arrange the
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* various timeline objects through time.
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*
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2010-05-31 16:59:12 +00:00
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* The output type is determined by the #GESTrack that are set on
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2009-09-10 16:40:51 +00:00
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* the #GESTimeline.
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2010-11-26 17:38:49 +00:00
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*
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* To save/load a timeline, you can use the ges_timeline_load_from_uri() and
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* ges_timeline_save_to_uri() methods to use the default format. If you wish
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2009-09-10 16:40:51 +00:00
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*/
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2009-08-06 17:51:29 +00:00
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#include "ges-internal.h"
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2012-09-23 00:11:46 +00:00
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#include "ges-project.h"
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2009-08-04 15:13:11 +00:00
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#include "ges-timeline.h"
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2009-08-06 15:38:43 +00:00
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#include "ges-track.h"
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#include "ges-timeline-layer.h"
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#include "ges.h"
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2009-08-04 15:13:11 +00:00
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2012-04-24 00:52:45 +00:00
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typedef struct _MoveContext MoveContext;
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2012-12-20 23:23:54 +00:00
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static GPtrArray *select_tracks_for_object_default (GESTimeline * timeline,
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GESTimelineObject * tl_obj, GESTrackObject * tr_obj, gpointer user_data);
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2012-04-24 00:52:45 +00:00
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static inline void init_movecontext (MoveContext * mv_ctx);
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2012-09-23 00:11:46 +00:00
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static void ges_extractable_interface_init (GESExtractableInterface * iface);
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2012-11-20 21:23:59 +00:00
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static void ges_meta_container_interface_init
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(GESMetaContainerInterface * iface);
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2012-09-23 00:11:46 +00:00
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G_DEFINE_TYPE_WITH_CODE (GESTimeline, ges_timeline, GST_TYPE_BIN,
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2012-11-20 21:23:59 +00:00
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G_IMPLEMENT_INTERFACE (GES_TYPE_EXTRACTABLE, ges_extractable_interface_init)
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G_IMPLEMENT_INTERFACE (GES_TYPE_META_CONTAINER,
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ges_meta_container_interface_init));
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2009-08-04 15:13:11 +00:00
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2009-08-06 15:38:43 +00:00
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2012-05-18 14:28:26 +00:00
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GST_DEBUG_CATEGORY_STATIC (ges_timeline_debug);
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#undef GST_CAT_DEFAULT
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#define GST_CAT_DEFAULT ges_timeline_debug
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2012-01-04 16:24:16 +00:00
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#define GES_TIMELINE_PENDINGOBJS_GET_LOCK(timeline) \
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2012-04-20 18:18:18 +00:00
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(&GES_TIMELINE(timeline)->priv->pendingobjects_lock)
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2012-01-04 16:24:16 +00:00
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#define GES_TIMELINE_PENDINGOBJS_LOCK(timeline) \
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(g_mutex_lock(GES_TIMELINE_PENDINGOBJS_GET_LOCK (timeline)))
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#define GES_TIMELINE_PENDINGOBJS_UNLOCK(timeline) \
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(g_mutex_unlock(GES_TIMELINE_PENDINGOBJS_GET_LOCK (timeline)))
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2012-12-17 15:27:54 +00:00
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typedef struct TrackObjIters
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{
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GSequenceIter *iter_start;
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GSequenceIter *iter_end;
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GSequenceIter *iter_obj;
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} TrackObjIters;
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static void
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_destroy_obj_iters (TrackObjIters * iters)
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{
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g_slice_free (TrackObjIters, iters);
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}
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2012-05-09 16:12:38 +00:00
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/* The move context is used for the timeline editing modes functions in order to
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2012-04-24 00:52:45 +00:00
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* + Ripple / Roll / Slide / Move / Trim
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*
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* The context aims at avoiding to recalculate values/objects on each call of the
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* editing functions.
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*/
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struct _MoveContext
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{
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GESTimelineObject *obj;
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GESEdge edge;
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GESEditMode mode;
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/* Ripple and Roll Objects */
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GList *moving_tckobjs;
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/* We use it as a set of TimelineObject to move between layers */
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GHashTable *moving_tlobjs;
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/* Min priority of the objects currently in moving_tlobjs */
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guint min_move_layer;
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/* Max priority of the objects currently in moving_tlobjs */
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guint max_layer_prio;
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/* Never trim so duration would becomes < 0 */
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guint64 max_trim_pos;
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/* fields to force/avoid new context */
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/* Set to %TRUE when the track is doing updates of track objects
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* properties so we don't end up always needing new move context */
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gboolean ignore_needs_ctx;
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gboolean needs_move_ctx;
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2012-04-25 18:55:46 +00:00
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/* Last snapping properties */
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GESTrackObject *last_snaped1;
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GESTrackObject *last_snaped2;
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2012-05-18 15:13:11 +00:00
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GstClockTime *last_snap_ts;
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2012-04-24 00:52:45 +00:00
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};
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2011-01-08 10:22:36 +00:00
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struct _GESTimelinePrivate
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{
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2011-12-16 08:35:31 +00:00
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/* The duration of the timeline */
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gint64 duration;
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2012-04-24 00:52:45 +00:00
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/* Timeline edition modes and snapping management */
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guint64 snapping_distance;
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/* FIXME: Should we offer an API over those fields ?
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* FIXME: Should other classes than subclasses of TrackSource also
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* be tracked? */
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/* Snapping fields */
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GHashTable *by_start; /* {TrackSource: start} */
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GHashTable *by_end; /* {TrackSource: end} */
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GHashTable *by_object; /* {timecode: TrackSource} */
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2012-12-17 15:27:54 +00:00
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GHashTable *obj_iters; /* {TrackSource: TrackObjIters} */
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2012-04-24 00:52:45 +00:00
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GSequence *starts_ends; /* Sorted list of starts/ends */
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/* We keep 1 reference to our trackobject here */
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GSequence *tracksources; /* TrackSource-s sorted by start/priorities */
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2012-12-20 14:28:39 +00:00
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GList *priv_tracks;
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2012-04-24 00:52:45 +00:00
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MoveContext movecontext;
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2011-01-08 10:22:36 +00:00
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};
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2009-09-08 17:44:03 +00:00
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/* private structure to contain our track-related information */
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typedef struct
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{
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GESTimeline *timeline;
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GESTrack *track;
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GstPad *pad; /* Pad from the track */
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GstPad *ghostpad;
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} TrackPrivate;
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2009-08-06 15:38:43 +00:00
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2011-12-16 08:35:31 +00:00
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enum
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{
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PROP_0,
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PROP_DURATION,
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2012-04-24 00:52:45 +00:00
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PROP_SNAPPING_DISTANCE,
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2012-05-18 17:16:50 +00:00
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PROP_UPDATE,
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2011-12-16 08:35:31 +00:00
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PROP_LAST
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};
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static GParamSpec *properties[PROP_LAST];
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2009-08-06 15:38:43 +00:00
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enum
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{
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TRACK_ADDED,
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TRACK_REMOVED,
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LAYER_ADDED,
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LAYER_REMOVED,
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2012-04-25 18:55:46 +00:00
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SNAPING_STARTED,
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SNAPING_ENDED,
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2012-12-20 23:23:54 +00:00
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SELECT_TRACKS_FOR_OBJECT,
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2009-08-06 15:38:43 +00:00
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LAST_SIGNAL
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};
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2009-08-04 15:13:11 +00:00
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2010-05-19 10:36:11 +00:00
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static GstBinClass *parent_class;
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2009-08-06 15:38:43 +00:00
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static guint ges_timeline_signals[LAST_SIGNAL] = { 0 };
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2009-08-04 15:13:11 +00:00
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2011-01-11 15:35:05 +00:00
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static gint custom_find_track (TrackPrivate * tr_priv, GESTrack * track);
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2010-05-19 10:36:11 +00:00
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2012-09-23 00:11:46 +00:00
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static guint nb_assets = 0;
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/* GESExtractable implementation */
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static gchar *
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extractable_check_id (GType type, const gchar * id)
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{
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gchar *res;
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if (id == NULL)
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res = g_strdup_printf ("%s-%i", "project", nb_assets);
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else
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res = g_strdup (id);
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nb_assets++;
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return res;
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}
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static gchar *
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extractable_get_id (GESExtractable * self)
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{
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GESAsset *asset;
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if (!(asset = ges_extractable_get_asset (self)))
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return NULL;
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return g_strdup (ges_asset_get_id (asset));
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}
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static void
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ges_extractable_interface_init (GESExtractableInterface * iface)
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{
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iface->asset_type = GES_TYPE_PROJECT;
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iface->check_id = (GESExtractableCheckId) extractable_check_id;
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iface->get_id = extractable_get_id;
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}
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2012-11-20 21:23:59 +00:00
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static void
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ges_meta_container_interface_init (GESMetaContainerInterface * iface)
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{
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}
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2012-05-18 17:16:50 +00:00
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/* Internal methods */
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static gboolean
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ges_timeline_enable_update_internal (GESTimeline * timeline, gboolean enabled)
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{
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GList *tmp;
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gboolean res = TRUE;
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GST_DEBUG_OBJECT (timeline, "%s updates", enabled ? "Enabling" : "Disabling");
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2012-11-11 16:51:45 +00:00
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for (tmp = timeline->tracks; tmp; tmp = tmp->next) {
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2012-12-20 14:28:39 +00:00
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if (!ges_track_enable_update (GES_TRACK (tmp->data), enabled))
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2012-05-18 17:16:50 +00:00
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res = FALSE;
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}
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/* Make sure we reset the context */
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timeline->priv->movecontext.needs_move_ctx = TRUE;
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return res;
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}
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2012-03-31 17:57:04 +00:00
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/* GObject Standard vmethods*/
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2009-08-06 15:38:43 +00:00
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static void
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ges_timeline_get_property (GObject * object, guint property_id,
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2009-08-04 15:16:31 +00:00
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GValue * value, GParamSpec * pspec)
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2009-08-04 15:13:11 +00:00
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{
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2011-12-16 08:35:31 +00:00
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GESTimeline *timeline = GES_TIMELINE (object);
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2009-08-04 15:13:11 +00:00
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switch (property_id) {
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2009-08-04 15:16:31 +00:00
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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2011-12-16 08:35:31 +00:00
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case PROP_DURATION:
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g_value_set_uint64 (value, timeline->priv->duration);
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break;
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2012-04-24 00:52:45 +00:00
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case PROP_SNAPPING_DISTANCE:
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g_value_set_uint64 (value, timeline->priv->snapping_distance);
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break;
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2012-05-18 17:16:50 +00:00
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case PROP_UPDATE:
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g_value_set_boolean (value, ges_timeline_is_updating (timeline));
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break;
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2009-08-04 15:13:11 +00:00
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}
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}
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static void
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2009-08-04 15:16:31 +00:00
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ges_timeline_set_property (GObject * object, guint property_id,
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const GValue * value, GParamSpec * pspec)
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2009-08-04 15:13:11 +00:00
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{
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2012-04-24 00:52:45 +00:00
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GESTimeline *timeline = GES_TIMELINE (object);
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2009-08-04 15:13:11 +00:00
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switch (property_id) {
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2012-04-24 00:52:45 +00:00
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case PROP_SNAPPING_DISTANCE:
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timeline->priv->snapping_distance = g_value_get_uint64 (value);
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break;
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2012-05-18 17:16:50 +00:00
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case PROP_UPDATE:
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ges_timeline_enable_update_internal (timeline,
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g_value_get_boolean (value));
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break;
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2009-08-04 15:16:31 +00:00
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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2009-08-04 15:13:11 +00:00
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}
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}
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static void
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2009-08-04 15:16:31 +00:00
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ges_timeline_dispose (GObject * object)
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2009-08-04 15:13:11 +00:00
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{
|
2012-11-11 16:51:45 +00:00
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GESTimeline *tl = GES_TIMELINE (object);
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GESTimelinePrivate *priv = tl->priv;
|
2010-05-19 10:36:11 +00:00
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2012-11-11 16:51:45 +00:00
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while (tl->layers) {
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GESTimelineLayer *layer = (GESTimelineLayer *) tl->layers->data;
|
2011-01-08 10:22:36 +00:00
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ges_timeline_remove_layer (GES_TIMELINE (object), layer);
|
2010-06-09 11:52:35 +00:00
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}
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2010-09-23 13:47:48 +00:00
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/* FIXME: it should be possible to remove tracks before removing
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* layers, but at the moment this creates a problem because the track
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* objects aren't notified that their gnlobjects have been destroyed.
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*/
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2012-11-11 16:51:45 +00:00
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while (tl->tracks) {
|
2012-12-20 14:28:39 +00:00
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|
|
ges_timeline_remove_track (GES_TIMELINE (object), tl->tracks->data);
|
2010-09-23 13:47:48 +00:00
|
|
|
}
|
|
|
|
|
2012-04-24 00:52:45 +00:00
|
|
|
g_hash_table_unref (priv->by_start);
|
|
|
|
g_hash_table_unref (priv->by_end);
|
|
|
|
g_hash_table_unref (priv->by_object);
|
2012-12-17 15:27:54 +00:00
|
|
|
g_hash_table_unref (priv->obj_iters);
|
2012-04-24 00:52:45 +00:00
|
|
|
g_sequence_free (priv->starts_ends);
|
|
|
|
g_sequence_free (priv->tracksources);
|
2012-09-22 11:27:20 +00:00
|
|
|
g_list_free (priv->movecontext.moving_tckobjs);
|
|
|
|
g_hash_table_unref (priv->movecontext.moving_tlobjs);
|
2012-04-24 00:52:45 +00:00
|
|
|
|
2009-08-04 15:13:11 +00:00
|
|
|
G_OBJECT_CLASS (ges_timeline_parent_class)->dispose (object);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2009-08-04 15:16:31 +00:00
|
|
|
ges_timeline_finalize (GObject * object)
|
2009-08-04 15:13:11 +00:00
|
|
|
{
|
|
|
|
G_OBJECT_CLASS (ges_timeline_parent_class)->finalize (object);
|
|
|
|
}
|
|
|
|
|
2012-12-20 23:23:54 +00:00
|
|
|
/* we collect the first result */
|
|
|
|
static gboolean
|
|
|
|
_gst_array_accumulator (GSignalInvocationHint * ihint,
|
|
|
|
GValue * return_accu, const GValue * handler_return, gpointer dummy)
|
|
|
|
{
|
|
|
|
gpointer array;
|
|
|
|
|
|
|
|
array = g_value_get_boxed (handler_return);
|
|
|
|
if (!(ihint->run_type & G_SIGNAL_RUN_CLEANUP))
|
|
|
|
g_value_set_boxed (return_accu, array);
|
|
|
|
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
2009-08-04 15:13:11 +00:00
|
|
|
static void
|
2009-08-04 15:16:31 +00:00
|
|
|
ges_timeline_class_init (GESTimelineClass * klass)
|
2009-08-04 15:13:11 +00:00
|
|
|
{
|
|
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
2010-05-19 10:36:11 +00:00
|
|
|
|
2011-01-08 10:22:36 +00:00
|
|
|
g_type_class_add_private (klass, sizeof (GESTimelinePrivate));
|
|
|
|
|
2012-09-23 00:11:46 +00:00
|
|
|
GST_DEBUG_CATEGORY_INIT (ges_timeline_debug, "gestimeline",
|
|
|
|
GST_DEBUG_FG_YELLOW, "ges timeline");
|
|
|
|
|
2010-05-19 10:36:11 +00:00
|
|
|
parent_class = g_type_class_peek_parent (klass);
|
|
|
|
|
2009-08-04 15:13:11 +00:00
|
|
|
object_class->get_property = ges_timeline_get_property;
|
|
|
|
object_class->set_property = ges_timeline_set_property;
|
|
|
|
object_class->dispose = ges_timeline_dispose;
|
|
|
|
object_class->finalize = ges_timeline_finalize;
|
2009-08-06 15:38:43 +00:00
|
|
|
|
2011-12-16 08:35:31 +00:00
|
|
|
/**
|
2012-08-10 16:39:10 +00:00
|
|
|
* GESTimeline:duration:
|
2011-12-16 08:35:31 +00:00
|
|
|
*
|
|
|
|
* Current duration (in nanoseconds) of the #GESTimeline
|
|
|
|
*/
|
|
|
|
properties[PROP_DURATION] =
|
|
|
|
g_param_spec_uint64 ("duration", "Duration",
|
|
|
|
"The duration of the timeline", 0, G_MAXUINT64,
|
|
|
|
GST_CLOCK_TIME_NONE, G_PARAM_READABLE);
|
|
|
|
g_object_class_install_property (object_class, PROP_DURATION,
|
|
|
|
properties[PROP_DURATION]);
|
|
|
|
|
2012-04-24 00:52:45 +00:00
|
|
|
/**
|
2012-08-10 16:39:10 +00:00
|
|
|
* GESTimeline:snapping-distance:
|
2012-04-24 00:52:45 +00:00
|
|
|
*
|
|
|
|
* Distance (in nanoseconds) from which a moving object will snap
|
|
|
|
* with it neighboors. 0 means no snapping.
|
|
|
|
*/
|
|
|
|
properties[PROP_SNAPPING_DISTANCE] =
|
|
|
|
g_param_spec_uint64 ("snapping-distance", "Snapping distance",
|
|
|
|
"Distance from which moving an object will snap with neighboors", 0,
|
|
|
|
G_MAXUINT64, 0, G_PARAM_READWRITE);
|
|
|
|
g_object_class_install_property (object_class, PROP_SNAPPING_DISTANCE,
|
|
|
|
properties[PROP_SNAPPING_DISTANCE]);
|
|
|
|
|
2012-05-18 17:16:50 +00:00
|
|
|
/**
|
|
|
|
* GESTimeline:update:
|
|
|
|
*
|
|
|
|
* If %TRUE, then all modifications to objects within the timeline will
|
|
|
|
* cause a internal pipeline update (if required).
|
|
|
|
* If %FALSE, then only the timeline start/duration/stop properties
|
|
|
|
* will be updated, and the internal pipeline will only be updated when the
|
|
|
|
* property is set back to %TRUE.
|
|
|
|
*
|
|
|
|
* It is recommended to temporarily set this property to %FALSE before doing
|
|
|
|
* more than one modification in the timeline (like adding or moving
|
|
|
|
* several objects at once) in order to speed up the process, and then setting
|
|
|
|
* back the property to %TRUE when done.
|
|
|
|
*/
|
|
|
|
|
|
|
|
properties[PROP_UPDATE] = g_param_spec_boolean ("update", "Update",
|
|
|
|
"Update the internal pipeline on every modification", TRUE,
|
|
|
|
G_PARAM_READWRITE);
|
|
|
|
g_object_class_install_property (object_class, PROP_UPDATE,
|
|
|
|
properties[PROP_UPDATE]);
|
|
|
|
|
2009-09-16 10:37:45 +00:00
|
|
|
/**
|
2012-08-10 16:39:10 +00:00
|
|
|
* GESTimeline::track-added:
|
2009-09-16 10:37:45 +00:00
|
|
|
* @timeline: the #GESTimeline
|
|
|
|
* @track: the #GESTrack that was added to the timeline
|
|
|
|
*
|
|
|
|
* Will be emitted after the track was added to the timeline.
|
|
|
|
*/
|
2009-08-06 15:38:43 +00:00
|
|
|
ges_timeline_signals[TRACK_ADDED] =
|
|
|
|
g_signal_new ("track-added", G_TYPE_FROM_CLASS (klass),
|
|
|
|
G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GESTimelineClass, track_added), NULL,
|
2012-03-12 15:46:42 +00:00
|
|
|
NULL, g_cclosure_marshal_generic, G_TYPE_NONE, 1, GES_TYPE_TRACK);
|
2009-08-06 15:38:43 +00:00
|
|
|
|
2009-09-16 10:37:45 +00:00
|
|
|
/**
|
2012-08-10 16:39:10 +00:00
|
|
|
* GESTimeline::track-removed:
|
2009-09-16 10:37:45 +00:00
|
|
|
* @timeline: the #GESTimeline
|
|
|
|
* @track: the #GESTrack that was removed from the timeline
|
|
|
|
*
|
|
|
|
* Will be emitted after the track was removed from the timeline.
|
|
|
|
*/
|
2009-08-06 15:38:43 +00:00
|
|
|
ges_timeline_signals[TRACK_REMOVED] =
|
|
|
|
g_signal_new ("track-removed", G_TYPE_FROM_CLASS (klass),
|
|
|
|
G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GESTimelineClass, track_removed),
|
2012-03-12 15:46:42 +00:00
|
|
|
NULL, NULL, g_cclosure_marshal_generic, G_TYPE_NONE, 1, GES_TYPE_TRACK);
|
2009-08-06 15:38:43 +00:00
|
|
|
|
2009-09-16 10:37:45 +00:00
|
|
|
/**
|
2012-08-10 16:39:10 +00:00
|
|
|
* GESTimeline::layer-added:
|
2009-09-16 10:37:45 +00:00
|
|
|
* @timeline: the #GESTimeline
|
|
|
|
* @layer: the #GESTimelineLayer that was added to the timeline
|
|
|
|
*
|
|
|
|
* Will be emitted after the layer was added to the timeline.
|
|
|
|
*/
|
2009-08-06 15:38:43 +00:00
|
|
|
ges_timeline_signals[LAYER_ADDED] =
|
|
|
|
g_signal_new ("layer-added", G_TYPE_FROM_CLASS (klass),
|
|
|
|
G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GESTimelineClass, layer_added), NULL,
|
2012-03-12 15:46:42 +00:00
|
|
|
NULL, g_cclosure_marshal_generic, G_TYPE_NONE, 1,
|
|
|
|
GES_TYPE_TIMELINE_LAYER);
|
2009-08-06 15:38:43 +00:00
|
|
|
|
2009-09-16 10:37:45 +00:00
|
|
|
/**
|
2012-08-10 16:39:10 +00:00
|
|
|
* GESTimeline::layer-removed:
|
2009-09-16 10:37:45 +00:00
|
|
|
* @timeline: the #GESTimeline
|
|
|
|
* @layer: the #GESTimelineLayer that was removed from the timeline
|
|
|
|
*
|
|
|
|
* Will be emitted after the layer was removed from the timeline.
|
|
|
|
*/
|
2009-08-06 15:38:43 +00:00
|
|
|
ges_timeline_signals[LAYER_REMOVED] =
|
|
|
|
g_signal_new ("layer-removed", G_TYPE_FROM_CLASS (klass),
|
|
|
|
G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GESTimelineClass, layer_removed),
|
2012-03-12 15:46:42 +00:00
|
|
|
NULL, NULL, g_cclosure_marshal_generic, G_TYPE_NONE, 1,
|
2009-08-06 15:38:43 +00:00
|
|
|
GES_TYPE_TIMELINE_LAYER);
|
2012-01-04 17:46:54 +00:00
|
|
|
|
2012-04-24 00:52:45 +00:00
|
|
|
/**
|
|
|
|
* GESTimeline::track-objects-snapping:
|
|
|
|
* @timeline: the #GESTimeline
|
|
|
|
* @obj1: the first #GESTrackObject that was snapping.
|
|
|
|
* @obj2: the second #GESTrackObject that was snapping.
|
|
|
|
* @position: the position where the two objects finally snapping.
|
|
|
|
*
|
2012-04-25 18:55:46 +00:00
|
|
|
* Will be emitted when the 2 #GESTrackObject first snapped
|
|
|
|
*
|
|
|
|
* Since: 0.10.XX
|
|
|
|
*/
|
|
|
|
ges_timeline_signals[SNAPING_STARTED] =
|
|
|
|
g_signal_new ("snapping-started", G_TYPE_FROM_CLASS (klass),
|
|
|
|
G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL,
|
|
|
|
G_TYPE_NONE, 3, GES_TYPE_TRACK_OBJECT, GES_TYPE_TRACK_OBJECT,
|
|
|
|
G_TYPE_UINT64);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* GESTimeline::snapping-end:
|
|
|
|
* @timeline: the #GESTimeline
|
|
|
|
* @obj1: the first #GESTrackObject that was snapping.
|
|
|
|
* @obj2: the second #GESTrackObject that was snapping.
|
|
|
|
* @position: the position where the two objects finally snapping.
|
|
|
|
*
|
|
|
|
* Will be emitted when the 2 #GESTrackObject ended to snap
|
2012-04-24 00:52:45 +00:00
|
|
|
*
|
|
|
|
* Since: 0.10.XX
|
|
|
|
*/
|
2012-04-25 18:55:46 +00:00
|
|
|
ges_timeline_signals[SNAPING_ENDED] =
|
|
|
|
g_signal_new ("snapping-ended", G_TYPE_FROM_CLASS (klass),
|
|
|
|
G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL,
|
2012-04-24 00:52:45 +00:00
|
|
|
G_TYPE_NONE, 3, GES_TYPE_TRACK_OBJECT, GES_TYPE_TRACK_OBJECT,
|
|
|
|
G_TYPE_UINT64);
|
2012-12-20 23:23:54 +00:00
|
|
|
|
|
|
|
/**
|
|
|
|
* GESTimeline::select-tracks-for-object:
|
|
|
|
* @timeline: the #GESTimeline
|
|
|
|
* @timeline-object: The #GESTimelineObject on which @track-object will land
|
|
|
|
* @track-object: The #GESTrackObject for which to choose the tracks it should land into
|
|
|
|
*
|
|
|
|
* Returns: (transfer full) (element-type GESTrack): a #GPtrArray of #GESTrack-s where that object should be added
|
|
|
|
*
|
|
|
|
* Since: 0.10.XX
|
|
|
|
*/
|
|
|
|
ges_timeline_signals[SELECT_TRACKS_FOR_OBJECT] =
|
|
|
|
g_signal_new ("select-tracks-for-object", G_TYPE_FROM_CLASS (klass),
|
|
|
|
G_SIGNAL_RUN_LAST, 0, _gst_array_accumulator, NULL, NULL,
|
|
|
|
G_TYPE_PTR_ARRAY, 2, GES_TYPE_TIMELINE_OBJECT, GES_TYPE_TRACK_OBJECT);
|
2009-08-04 15:13:11 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2009-08-04 15:16:31 +00:00
|
|
|
ges_timeline_init (GESTimeline * self)
|
2009-08-04 15:13:11 +00:00
|
|
|
{
|
2012-11-11 16:51:45 +00:00
|
|
|
GESTimelinePrivate *priv = self->priv;
|
2011-01-08 10:22:36 +00:00
|
|
|
|
|
|
|
self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
|
|
|
|
GES_TYPE_TIMELINE, GESTimelinePrivate);
|
|
|
|
|
2012-04-24 00:52:45 +00:00
|
|
|
priv = self->priv;
|
2012-11-11 16:51:45 +00:00
|
|
|
self->layers = NULL;
|
|
|
|
self->tracks = NULL;
|
2012-04-24 00:52:45 +00:00
|
|
|
priv->duration = 0;
|
|
|
|
priv->snapping_distance = 0;
|
|
|
|
|
|
|
|
/* Move context initialization */
|
|
|
|
init_movecontext (&self->priv->movecontext);
|
|
|
|
priv->movecontext.ignore_needs_ctx = FALSE;
|
2010-05-19 10:36:11 +00:00
|
|
|
|
2012-12-20 14:28:39 +00:00
|
|
|
priv->priv_tracks = NULL;
|
2012-04-24 00:52:45 +00:00
|
|
|
priv->by_start = g_hash_table_new (g_direct_hash, g_direct_equal);
|
|
|
|
priv->by_end = g_hash_table_new (g_direct_hash, g_direct_equal);
|
|
|
|
priv->by_object = g_hash_table_new (g_direct_hash, g_direct_equal);
|
2012-12-17 15:27:54 +00:00
|
|
|
priv->obj_iters = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL,
|
|
|
|
(GDestroyNotify) _destroy_obj_iters);
|
2012-04-24 00:52:45 +00:00
|
|
|
priv->starts_ends = g_sequence_new (g_free);
|
|
|
|
priv->tracksources = g_sequence_new (g_object_unref);
|
2012-12-20 23:23:54 +00:00
|
|
|
|
|
|
|
g_signal_connect_after (self, "select-tracks-for-object",
|
|
|
|
G_CALLBACK (select_tracks_for_object_default), NULL);
|
2009-08-04 15:13:11 +00:00
|
|
|
}
|
|
|
|
|
2012-03-31 17:57:04 +00:00
|
|
|
/* Private methods */
|
|
|
|
|
|
|
|
/* Sorting utils*/
|
2011-06-03 02:03:19 +00:00
|
|
|
static gint
|
|
|
|
sort_layers (gpointer a, gpointer b)
|
|
|
|
{
|
|
|
|
GESTimelineLayer *layer_a, *layer_b;
|
|
|
|
guint prio_a, prio_b;
|
|
|
|
|
|
|
|
layer_a = GES_TIMELINE_LAYER (a);
|
|
|
|
layer_b = GES_TIMELINE_LAYER (b);
|
|
|
|
|
|
|
|
prio_a = ges_timeline_layer_get_priority (layer_a);
|
|
|
|
prio_b = ges_timeline_layer_get_priority (layer_b);
|
|
|
|
|
|
|
|
if ((gint) prio_a > (guint) prio_b)
|
|
|
|
return 1;
|
|
|
|
if ((guint) prio_a < (guint) prio_b)
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2012-05-16 16:59:33 +00:00
|
|
|
static void
|
|
|
|
timeline_update_duration (GESTimeline * timeline)
|
|
|
|
{
|
|
|
|
GstClockTime *cduration;
|
|
|
|
GSequenceIter *it = g_sequence_get_end_iter (timeline->priv->starts_ends);
|
|
|
|
|
|
|
|
it = g_sequence_iter_prev (it);
|
|
|
|
if (g_sequence_iter_is_end (it))
|
|
|
|
return;
|
|
|
|
|
|
|
|
cduration = g_sequence_get (it);
|
|
|
|
if (cduration && timeline->priv->duration != *cduration) {
|
|
|
|
GST_DEBUG ("track duration : %" GST_TIME_FORMAT " current : %"
|
|
|
|
GST_TIME_FORMAT, GST_TIME_ARGS (*cduration),
|
|
|
|
GST_TIME_ARGS (timeline->priv->duration));
|
|
|
|
|
|
|
|
timeline->priv->duration = *cduration;
|
|
|
|
|
|
|
|
g_object_notify_by_pspec (G_OBJECT (timeline), properties[PROP_DURATION]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-04-24 00:52:45 +00:00
|
|
|
static gint
|
|
|
|
objects_start_compare (GESTrackObject * a, GESTrackObject * b)
|
|
|
|
{
|
|
|
|
if (a->start == b->start) {
|
|
|
|
if (a->priority < b->priority)
|
|
|
|
return -1;
|
|
|
|
if (a->priority > b->priority)
|
|
|
|
return 1;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
if (a->start < b->start)
|
|
|
|
return -1;
|
|
|
|
if (a->start > b->start)
|
|
|
|
return 1;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline void
|
|
|
|
sort_track_objects (GESTimeline * timeline)
|
|
|
|
{
|
|
|
|
g_sequence_sort (timeline->priv->tracksources,
|
|
|
|
(GCompareDataFunc) objects_start_compare, NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
static gint
|
|
|
|
compare_uint64 (guint64 * a, guint64 * b, gpointer user_data)
|
|
|
|
{
|
|
|
|
if (*a > *b)
|
|
|
|
return 1;
|
|
|
|
else if (*a == *b)
|
|
|
|
return 0;
|
|
|
|
else
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2012-03-31 17:57:04 +00:00
|
|
|
static gint
|
|
|
|
custom_find_track (TrackPrivate * tr_priv, GESTrack * track)
|
2009-08-04 15:13:11 +00:00
|
|
|
{
|
2012-03-31 17:57:04 +00:00
|
|
|
if (tr_priv->track == track)
|
|
|
|
return 0;
|
|
|
|
return -1;
|
2009-08-04 15:13:11 +00:00
|
|
|
}
|
|
|
|
|
2012-04-24 00:52:45 +00:00
|
|
|
static inline void
|
|
|
|
sort_starts_ends_end (GESTimeline * timeline, GESTrackObject * obj)
|
|
|
|
{
|
|
|
|
GESTimelinePrivate *priv = timeline->priv;
|
|
|
|
guint64 *end = g_hash_table_lookup (priv->by_end, obj);
|
2012-12-17 15:27:54 +00:00
|
|
|
TrackObjIters *iters = g_hash_table_lookup (priv->obj_iters, obj);
|
2012-04-24 00:52:45 +00:00
|
|
|
|
|
|
|
*end = obj->start + obj->duration;
|
|
|
|
|
2012-12-17 15:27:54 +00:00
|
|
|
g_sequence_sort_changed (iters->iter_end, (GCompareDataFunc) compare_uint64,
|
|
|
|
NULL);
|
2012-05-16 16:59:33 +00:00
|
|
|
timeline_update_duration (timeline);
|
2012-04-24 00:52:45 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static inline void
|
|
|
|
sort_starts_ends_start (GESTimeline * timeline, GESTrackObject * obj)
|
|
|
|
{
|
|
|
|
GESTimelinePrivate *priv = timeline->priv;
|
|
|
|
guint64 *start = g_hash_table_lookup (priv->by_start, obj);
|
2012-12-17 15:27:54 +00:00
|
|
|
TrackObjIters *iters = g_hash_table_lookup (priv->obj_iters, obj);
|
2012-04-24 00:52:45 +00:00
|
|
|
|
|
|
|
*start = obj->start;
|
|
|
|
|
2012-12-17 15:27:54 +00:00
|
|
|
g_sequence_sort_changed (iters->iter_start,
|
|
|
|
(GCompareDataFunc) compare_uint64, NULL);
|
2012-05-16 16:59:33 +00:00
|
|
|
timeline_update_duration (timeline);
|
2012-04-24 00:52:45 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Timeline edition functions */
|
|
|
|
static inline void
|
|
|
|
init_movecontext (MoveContext * mv_ctx)
|
|
|
|
{
|
|
|
|
mv_ctx->moving_tckobjs = NULL;
|
|
|
|
mv_ctx->moving_tlobjs = g_hash_table_new (g_direct_hash, g_direct_equal);
|
|
|
|
mv_ctx->max_trim_pos = G_MAXUINT64;
|
|
|
|
mv_ctx->min_move_layer = G_MAXUINT;
|
|
|
|
mv_ctx->max_layer_prio = 0;
|
2012-04-25 18:55:46 +00:00
|
|
|
mv_ctx->last_snaped1 = NULL;
|
|
|
|
mv_ctx->last_snaped2 = NULL;
|
2012-05-18 15:13:11 +00:00
|
|
|
mv_ctx->last_snap_ts = NULL;
|
2012-04-24 00:52:45 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static inline void
|
|
|
|
clean_movecontext (MoveContext * mv_ctx)
|
|
|
|
{
|
|
|
|
g_list_free (mv_ctx->moving_tckobjs);
|
|
|
|
g_hash_table_unref (mv_ctx->moving_tlobjs);
|
|
|
|
init_movecontext (mv_ctx);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
stop_tracking_for_snapping (GESTimeline * timeline, GESTrackObject * tckobj)
|
|
|
|
{
|
|
|
|
guint64 *start, *end;
|
|
|
|
GESTimelinePrivate *priv = timeline->priv;
|
2012-12-17 15:27:54 +00:00
|
|
|
TrackObjIters *iters;
|
2012-04-24 00:52:45 +00:00
|
|
|
|
|
|
|
|
|
|
|
start = g_hash_table_lookup (priv->by_start, tckobj);
|
|
|
|
end = g_hash_table_lookup (priv->by_end, tckobj);
|
2012-12-17 15:27:54 +00:00
|
|
|
iters = g_hash_table_lookup (priv->obj_iters, tckobj);
|
2012-04-24 00:52:45 +00:00
|
|
|
|
|
|
|
g_hash_table_remove (priv->by_start, tckobj);
|
|
|
|
g_hash_table_remove (priv->by_end, tckobj);
|
|
|
|
g_hash_table_remove (priv->by_object, end);
|
|
|
|
g_hash_table_remove (priv->by_object, start);
|
2012-12-17 15:27:54 +00:00
|
|
|
g_sequence_remove (iters->iter_start);
|
|
|
|
g_sequence_remove (iters->iter_end);
|
|
|
|
g_sequence_remove (iters->iter_obj);
|
|
|
|
g_hash_table_remove (priv->obj_iters, tckobj);
|
2012-05-16 16:59:33 +00:00
|
|
|
timeline_update_duration (timeline);
|
2012-04-24 00:52:45 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
start_tracking_track_obj (GESTimeline * timeline, GESTrackObject * tckobj)
|
|
|
|
{
|
2012-12-17 15:27:54 +00:00
|
|
|
TrackObjIters *iters;
|
2012-04-24 00:52:45 +00:00
|
|
|
guint64 *pstart, *pend;
|
|
|
|
GESTimelinePrivate *priv = timeline->priv;
|
|
|
|
|
|
|
|
pstart = g_malloc (sizeof (guint64));
|
|
|
|
pend = g_malloc (sizeof (guint64));
|
|
|
|
*pstart = tckobj->start;
|
|
|
|
*pend = *pstart + tckobj->duration;
|
|
|
|
|
2012-12-17 15:27:54 +00:00
|
|
|
iters = g_slice_new (TrackObjIters);
|
|
|
|
iters->iter_start = g_sequence_insert_sorted (priv->starts_ends, pstart,
|
2012-04-24 00:52:45 +00:00
|
|
|
(GCompareDataFunc) compare_uint64, NULL);
|
2012-12-17 15:27:54 +00:00
|
|
|
iters->iter_end = g_sequence_insert_sorted (priv->starts_ends, pend,
|
2012-04-24 00:52:45 +00:00
|
|
|
(GCompareDataFunc) compare_uint64, NULL);
|
2012-12-17 15:27:54 +00:00
|
|
|
iters->iter_obj =
|
|
|
|
g_sequence_insert_sorted (priv->tracksources, g_object_ref (tckobj),
|
2012-04-24 00:52:45 +00:00
|
|
|
(GCompareDataFunc) objects_start_compare, NULL);
|
|
|
|
|
|
|
|
g_hash_table_insert (priv->by_start, tckobj, pstart);
|
|
|
|
g_hash_table_insert (priv->by_object, pstart, tckobj);
|
|
|
|
g_hash_table_insert (priv->by_end, tckobj, pend);
|
|
|
|
g_hash_table_insert (priv->by_object, pend, tckobj);
|
2012-12-17 15:27:54 +00:00
|
|
|
g_hash_table_insert (priv->obj_iters, tckobj, iters);
|
2012-04-24 00:52:45 +00:00
|
|
|
|
|
|
|
timeline->priv->movecontext.needs_move_ctx = TRUE;
|
2012-05-16 16:59:33 +00:00
|
|
|
|
|
|
|
timeline_update_duration (timeline);
|
2012-04-24 00:52:45 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static inline void
|
|
|
|
ges_timeline_emit_snappig (GESTimeline * timeline, GESTrackObject * obj1,
|
|
|
|
guint64 * timecode)
|
|
|
|
{
|
|
|
|
GESTrackObject *obj2;
|
2012-04-25 18:55:46 +00:00
|
|
|
MoveContext *mv_ctx = &timeline->priv->movecontext;
|
2012-05-18 15:13:11 +00:00
|
|
|
GstClockTime snap_time = timecode ? *timecode : 0;
|
|
|
|
GstClockTime last_snap_ts = mv_ctx->last_snap_ts ?
|
|
|
|
*mv_ctx->last_snap_ts : GST_CLOCK_TIME_NONE;
|
|
|
|
|
|
|
|
GST_DEBUG_OBJECT (timeline, "Distance: %" GST_TIME_FORMAT " snapping at %"
|
|
|
|
GST_TIME_FORMAT, GST_TIME_ARGS (timeline->priv->snapping_distance),
|
|
|
|
GST_TIME_ARGS (snap_time));
|
2012-04-25 18:55:46 +00:00
|
|
|
|
|
|
|
if (timecode == NULL) {
|
|
|
|
if (mv_ctx->last_snaped1 != NULL && mv_ctx->last_snaped2 != NULL) {
|
|
|
|
g_signal_emit (timeline, ges_timeline_signals[SNAPING_ENDED], 0,
|
2012-05-18 15:13:11 +00:00
|
|
|
mv_ctx->last_snaped1, mv_ctx->last_snaped2, last_snap_ts);
|
2012-04-25 18:55:46 +00:00
|
|
|
|
|
|
|
/* We then need to recalculate the moving context */
|
|
|
|
timeline->priv->movecontext.needs_move_ctx = TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
return;
|
|
|
|
}
|
2012-04-24 00:52:45 +00:00
|
|
|
|
|
|
|
obj2 = g_hash_table_lookup (timeline->priv->by_object, timecode);
|
|
|
|
|
2012-05-18 15:13:11 +00:00
|
|
|
if (last_snap_ts != *timecode) {
|
2012-04-25 18:55:46 +00:00
|
|
|
g_signal_emit (timeline, ges_timeline_signals[SNAPING_ENDED], 0,
|
2012-05-18 15:13:11 +00:00
|
|
|
mv_ctx->last_snaped1, mv_ctx->last_snaped2, (last_snap_ts));
|
2012-04-24 00:52:45 +00:00
|
|
|
|
2012-04-25 18:55:46 +00:00
|
|
|
/* We want the snap start signal to be emited anyway */
|
2012-05-18 15:13:11 +00:00
|
|
|
mv_ctx->last_snap_ts = NULL;
|
2012-04-25 18:55:46 +00:00
|
|
|
}
|
|
|
|
|
2012-05-18 15:13:11 +00:00
|
|
|
if (mv_ctx->last_snap_ts == NULL) {
|
2012-04-25 18:55:46 +00:00
|
|
|
|
|
|
|
mv_ctx->last_snaped1 = obj1;
|
|
|
|
mv_ctx->last_snaped2 = obj2;
|
2012-05-18 15:13:11 +00:00
|
|
|
mv_ctx->last_snap_ts = timecode;
|
2012-04-25 18:55:46 +00:00
|
|
|
|
|
|
|
g_signal_emit (timeline, ges_timeline_signals[SNAPING_STARTED], 0,
|
|
|
|
obj1, obj2, *timecode);
|
|
|
|
|
|
|
|
}
|
2012-04-24 00:52:45 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static guint64 *
|
|
|
|
ges_timeline_snap_position (GESTimeline * timeline, GESTrackObject * trackobj,
|
2012-04-25 18:55:46 +00:00
|
|
|
guint64 * current, guint64 timecode, gboolean emit)
|
2012-04-24 00:52:45 +00:00
|
|
|
{
|
|
|
|
GESTimelinePrivate *priv = timeline->priv;
|
|
|
|
GSequenceIter *iter, *prev_iter, *nxt_iter;
|
|
|
|
GESTrackObject *tmp_tckobj;
|
|
|
|
GESTimelineObject *tmp_tlobj, *tlobj;
|
|
|
|
|
2012-05-18 15:13:11 +00:00
|
|
|
GstClockTime *last_snap_ts = priv->movecontext.last_snap_ts;
|
2012-04-24 00:52:45 +00:00
|
|
|
guint64 snap_distance = timeline->priv->snapping_distance;
|
|
|
|
guint64 *prev_tc, *next_tc, *ret = NULL, off = G_MAXUINT64, off1 =
|
|
|
|
G_MAXUINT64;
|
|
|
|
|
|
|
|
/* Avoid useless calculations */
|
|
|
|
if (snap_distance == 0)
|
|
|
|
return NULL;
|
|
|
|
|
2012-05-18 15:13:11 +00:00
|
|
|
/* If we can just resnap as last snap... do it */
|
|
|
|
if (last_snap_ts) {
|
|
|
|
off = timecode > *last_snap_ts ?
|
|
|
|
timecode - *last_snap_ts : *last_snap_ts - timecode;
|
|
|
|
if (off <= snap_distance) {
|
|
|
|
ret = last_snap_ts;
|
|
|
|
goto done;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-04-24 00:52:45 +00:00
|
|
|
tlobj = ges_track_object_get_timeline_object (trackobj);
|
|
|
|
|
|
|
|
iter = g_sequence_search (priv->starts_ends, &timecode,
|
|
|
|
(GCompareDataFunc) compare_uint64, NULL);
|
|
|
|
|
|
|
|
/* Getting the next/previous values, and use the closest one if any "respects"
|
|
|
|
* the snap_distance value */
|
|
|
|
nxt_iter = iter;
|
|
|
|
while (!g_sequence_iter_is_end (nxt_iter)) {
|
|
|
|
next_tc = g_sequence_get (iter);
|
|
|
|
tmp_tckobj = g_hash_table_lookup (timeline->priv->by_object, next_tc);
|
|
|
|
tmp_tlobj = ges_track_object_get_timeline_object (tmp_tckobj);
|
|
|
|
|
|
|
|
off = timecode > *next_tc ? timecode - *next_tc : *next_tc - timecode;
|
|
|
|
if (next_tc != current && off <= snap_distance && tlobj != tmp_tlobj) {
|
|
|
|
|
|
|
|
ret = next_tc;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
nxt_iter = g_sequence_iter_next (nxt_iter);
|
|
|
|
}
|
|
|
|
|
2012-05-21 23:38:10 +00:00
|
|
|
if (ret == NULL)
|
|
|
|
off = G_MAXUINT64;
|
|
|
|
|
2012-04-24 00:52:45 +00:00
|
|
|
prev_iter = g_sequence_iter_prev (iter);
|
|
|
|
while (!g_sequence_iter_is_begin (prev_iter)) {
|
|
|
|
prev_tc = g_sequence_get (prev_iter);
|
|
|
|
tmp_tckobj = g_hash_table_lookup (timeline->priv->by_object, prev_tc);
|
|
|
|
tmp_tlobj = ges_track_object_get_timeline_object (tmp_tckobj);
|
|
|
|
|
|
|
|
off1 = timecode > *prev_tc ? timecode - *prev_tc : *prev_tc - timecode;
|
|
|
|
if (prev_tc != current && off1 < off && off1 <= snap_distance &&
|
|
|
|
tlobj != tmp_tlobj) {
|
|
|
|
ret = prev_tc;
|
|
|
|
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
prev_iter = g_sequence_iter_prev (prev_iter);
|
|
|
|
}
|
|
|
|
|
2012-05-18 15:13:11 +00:00
|
|
|
done:
|
2012-04-24 00:52:45 +00:00
|
|
|
/* We emit the snapping signal only if we snapped with a different value
|
|
|
|
* than the current one */
|
2012-04-25 18:55:46 +00:00
|
|
|
if (emit) {
|
2012-05-08 23:34:48 +00:00
|
|
|
GstClockTime snap_time = ret ? *ret : GST_CLOCK_TIME_NONE;
|
|
|
|
|
2012-04-24 00:52:45 +00:00
|
|
|
ges_timeline_emit_snappig (timeline, trackobj, ret);
|
2012-05-08 23:34:48 +00:00
|
|
|
|
2012-04-25 18:55:46 +00:00
|
|
|
GST_DEBUG_OBJECT (timeline, "Snaping at %" GST_TIME_FORMAT,
|
2012-05-08 23:34:48 +00:00
|
|
|
GST_TIME_ARGS (snap_time));
|
2012-04-25 18:55:46 +00:00
|
|
|
}
|
2012-04-24 00:52:45 +00:00
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline GESTimelineObject *
|
|
|
|
add_moving_timeline_object (MoveContext * mv_ctx, GESTrackObject * tckobj)
|
|
|
|
{
|
|
|
|
GESTimelineObject *tlobj;
|
|
|
|
GESTimelineLayer *layer;
|
|
|
|
guint layer_prio;
|
|
|
|
|
|
|
|
tlobj = ges_track_object_get_timeline_object (tckobj);
|
|
|
|
|
|
|
|
/* Avoid recalculating */
|
|
|
|
if (!g_hash_table_lookup (mv_ctx->moving_tlobjs, tlobj)) {
|
|
|
|
layer = ges_timeline_object_get_layer (tlobj);
|
|
|
|
if (layer == NULL) {
|
|
|
|
GST_WARNING_OBJECT (tlobj, "Not in any layer, can not move"
|
|
|
|
" between layers");
|
|
|
|
|
|
|
|
} else {
|
|
|
|
|
|
|
|
g_hash_table_insert (mv_ctx->moving_tlobjs, tlobj, tlobj);
|
|
|
|
|
|
|
|
layer_prio = ges_timeline_layer_get_priority (layer);
|
|
|
|
mv_ctx->min_move_layer = MIN (mv_ctx->min_move_layer, layer_prio);
|
|
|
|
mv_ctx->max_layer_prio = MAX (mv_ctx->max_layer_prio, layer_prio);
|
|
|
|
|
|
|
|
g_object_unref (layer);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return tlobj;
|
|
|
|
}
|
|
|
|
|
|
|
|
static gboolean
|
|
|
|
ges_move_context_set_objects (GESTimeline * timeline, GESTrackObject * obj,
|
|
|
|
GESEdge edge)
|
|
|
|
{
|
2012-12-17 15:27:54 +00:00
|
|
|
TrackObjIters *iters;
|
2012-04-24 00:52:45 +00:00
|
|
|
GESTrackObject *tmptckobj;
|
2012-12-17 15:27:54 +00:00
|
|
|
guint64 start, end, tmpend;
|
|
|
|
GSequenceIter *iter, *tckobj_iter;
|
2012-04-24 00:52:45 +00:00
|
|
|
|
|
|
|
MoveContext *mv_ctx = &timeline->priv->movecontext;
|
|
|
|
|
2012-12-17 15:27:54 +00:00
|
|
|
iters = g_hash_table_lookup (timeline->priv->obj_iters, obj);
|
|
|
|
tckobj_iter = iters->iter_obj;
|
2012-04-24 00:52:45 +00:00
|
|
|
switch (edge) {
|
|
|
|
case GES_EDGE_START:
|
|
|
|
/* set it properly int the context of "trimming" */
|
|
|
|
mv_ctx->max_trim_pos = 0;
|
|
|
|
start = obj->start;
|
|
|
|
|
|
|
|
if (g_sequence_iter_is_begin (tckobj_iter))
|
|
|
|
break;
|
|
|
|
|
|
|
|
/* Look for the objects */
|
|
|
|
for (iter = g_sequence_iter_prev (tckobj_iter);
|
|
|
|
iter && !g_sequence_iter_is_end (iter);
|
|
|
|
iter = g_sequence_iter_prev (iter)) {
|
|
|
|
|
|
|
|
tmptckobj = GES_TRACK_OBJECT (g_sequence_get (iter));
|
|
|
|
tmpend = tmptckobj->start + tmptckobj->duration;
|
|
|
|
|
|
|
|
if (tmpend <= start) {
|
|
|
|
mv_ctx->max_trim_pos = MAX (mv_ctx->max_trim_pos, tmptckobj->start);
|
|
|
|
mv_ctx->moving_tckobjs =
|
|
|
|
g_list_prepend (mv_ctx->moving_tckobjs, tmptckobj);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (g_sequence_iter_is_begin (iter))
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case GES_EDGE_END:
|
|
|
|
case GES_EDGE_NONE: /* In this case only works for ripple */
|
|
|
|
end = ges_track_object_get_start (obj) +
|
|
|
|
ges_track_object_get_duration (obj);
|
|
|
|
|
|
|
|
mv_ctx->max_trim_pos = G_MAXUINT64;
|
|
|
|
|
|
|
|
/* Look for folowing objects */
|
|
|
|
for (iter = g_sequence_iter_next (tckobj_iter);
|
|
|
|
iter && !g_sequence_iter_is_end (iter);
|
|
|
|
iter = g_sequence_iter_next (iter)) {
|
|
|
|
tmptckobj = GES_TRACK_OBJECT (g_sequence_get (iter));
|
|
|
|
|
|
|
|
if (tmptckobj->start >= end) {
|
|
|
|
tmpend = tmptckobj->start + tmptckobj->duration;
|
|
|
|
mv_ctx->max_trim_pos = MIN (mv_ctx->max_trim_pos, tmpend);
|
|
|
|
mv_ctx->moving_tckobjs =
|
|
|
|
g_list_prepend (mv_ctx->moving_tckobjs, tmptckobj);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
GST_DEBUG ("Edge type %d no supported", edge);
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static gboolean
|
|
|
|
ges_timeline_set_moving_context (GESTimeline * timeline, GESTrackObject * obj,
|
|
|
|
GESEditMode mode, GESEdge edge, GList * layers)
|
|
|
|
{
|
2012-12-17 15:27:54 +00:00
|
|
|
/* A TrackObject that could initiate movement for other object */
|
|
|
|
GESTrackObject *editor_tckobj = NULL;
|
2012-04-24 00:52:45 +00:00
|
|
|
MoveContext *mv_ctx = &timeline->priv->movecontext;
|
|
|
|
GESTimelineObject *tlobj = ges_track_object_get_timeline_object (obj);
|
|
|
|
|
|
|
|
/* Still in the same mv_ctx */
|
|
|
|
if ((mv_ctx->obj == tlobj && mv_ctx->mode == mode &&
|
|
|
|
mv_ctx->edge == edge && !mv_ctx->needs_move_ctx)) {
|
|
|
|
|
|
|
|
GST_DEBUG ("Keeping the same moving mv_ctx");
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
GST_DEBUG_OBJECT (tlobj,
|
|
|
|
"Changing context:\nold: obj: %p, mode: %d, edge: %d \n"
|
|
|
|
"new: obj: %p, mode: %d, edge: %d ! Has changed %i", mv_ctx->obj,
|
|
|
|
mv_ctx->mode, mv_ctx->edge, tlobj, mode, edge, mv_ctx->needs_move_ctx);
|
|
|
|
|
|
|
|
clean_movecontext (mv_ctx);
|
|
|
|
mv_ctx->edge = edge;
|
|
|
|
mv_ctx->mode = mode;
|
|
|
|
mv_ctx->obj = tlobj;
|
|
|
|
mv_ctx->needs_move_ctx = FALSE;
|
|
|
|
|
2012-12-17 15:27:54 +00:00
|
|
|
/* We try to find a TrackSource inside the TimelineObject so we can set the
|
|
|
|
* moving context Else we just move the selected one only */
|
|
|
|
if (GES_IS_TRACK_SOURCE (obj) == FALSE) {
|
|
|
|
GList *tmp;
|
|
|
|
|
|
|
|
for (tmp = tlobj->trackobjects; tmp; tmp = tmp->next) {
|
|
|
|
if (GES_IS_TRACK_SOURCE (tmp->data)) {
|
|
|
|
editor_tckobj = tmp->data;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
editor_tckobj = obj;
|
2012-04-24 00:52:45 +00:00
|
|
|
}
|
|
|
|
|
2012-12-17 15:27:54 +00:00
|
|
|
if (editor_tckobj) {
|
|
|
|
switch (mode) {
|
|
|
|
case GES_EDIT_MODE_RIPPLE:
|
|
|
|
case GES_EDIT_MODE_ROLL:
|
|
|
|
if (!(ges_move_context_set_objects (timeline, editor_tckobj, edge)))
|
|
|
|
return FALSE;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
add_moving_timeline_object (&timeline->priv->movecontext, editor_tckobj);
|
|
|
|
} else {
|
|
|
|
/* We add the main object to the moving_tlobjs set */
|
|
|
|
add_moving_timeline_object (&timeline->priv->movecontext, obj);
|
|
|
|
}
|
2012-04-24 00:52:45 +00:00
|
|
|
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
gboolean
|
|
|
|
ges_timeline_trim_object_simple (GESTimeline * timeline, GESTrackObject * obj,
|
|
|
|
GList * layers, GESEdge edge, guint64 position, gboolean snapping)
|
|
|
|
{
|
|
|
|
guint64 nstart, start, inpoint, duration, max_duration, *snapped, *cur;
|
|
|
|
gboolean ret = TRUE;
|
|
|
|
gint64 real_dur;
|
|
|
|
|
|
|
|
GST_DEBUG_OBJECT (obj, "Trimming to %" GST_TIME_FORMAT " %s snaping, edge %i",
|
|
|
|
GST_TIME_ARGS (position), snapping ? "Is" : "Not", edge);
|
|
|
|
|
|
|
|
start = ges_track_object_get_start (obj);
|
|
|
|
g_object_get (obj, "max-duration", &max_duration, NULL);
|
|
|
|
|
|
|
|
switch (edge) {
|
|
|
|
case GES_EDGE_START:
|
|
|
|
inpoint = obj->inpoint;
|
|
|
|
duration = obj->duration;
|
|
|
|
|
|
|
|
if (snapping) {
|
|
|
|
cur = g_hash_table_lookup (timeline->priv->by_start, obj);
|
|
|
|
|
2012-04-25 18:55:46 +00:00
|
|
|
snapped = ges_timeline_snap_position (timeline, obj, cur, position,
|
|
|
|
TRUE);
|
2012-04-24 00:52:45 +00:00
|
|
|
if (snapped)
|
|
|
|
position = *snapped;
|
|
|
|
}
|
|
|
|
|
|
|
|
nstart = position;
|
|
|
|
|
|
|
|
/* Calculate new values */
|
|
|
|
position = MAX (start > inpoint ? start - inpoint : 0, position);
|
|
|
|
position = MIN (position, start + duration);
|
|
|
|
inpoint = MAX (0, inpoint + position - start);
|
|
|
|
|
|
|
|
real_dur = start + duration - nstart;
|
|
|
|
/* FIXME: Why CLAMP (0, real_dur, max_duration) doesn't work? */
|
|
|
|
duration = MAX (0, real_dur);
|
|
|
|
duration = MIN (duration, max_duration - obj->inpoint);
|
|
|
|
|
|
|
|
ges_track_object_set_start (obj, nstart);
|
|
|
|
ges_track_object_set_duration (obj, duration);
|
|
|
|
ges_track_object_set_inpoint (obj, inpoint);
|
|
|
|
break;
|
|
|
|
case GES_EDGE_END:
|
|
|
|
{
|
|
|
|
cur = g_hash_table_lookup (timeline->priv->by_end, obj);
|
2012-04-25 18:55:46 +00:00
|
|
|
snapped = ges_timeline_snap_position (timeline, obj, cur, position, TRUE);
|
2012-04-24 00:52:45 +00:00
|
|
|
if (snapped)
|
|
|
|
position = *snapped;
|
|
|
|
|
|
|
|
/* Calculate new values */
|
|
|
|
real_dur = position - start;
|
|
|
|
duration = MAX (0, real_dur);
|
|
|
|
duration = MIN (duration, max_duration - obj->inpoint);
|
|
|
|
|
|
|
|
ges_track_object_set_duration (obj, duration);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
default:
|
|
|
|
GST_WARNING ("Can not trim with %i GESEdge", edge);
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
gboolean
|
|
|
|
timeline_ripple_object (GESTimeline * timeline, GESTrackObject * obj,
|
|
|
|
GList * layers, GESEdge edge, guint64 position)
|
|
|
|
{
|
|
|
|
GList *tmp, *moved_tlobjs = NULL;
|
|
|
|
GESTrackObject *tckobj;
|
|
|
|
GESTimelineObject *tlobj;
|
|
|
|
guint64 duration, new_start, *snapped, *cur;
|
|
|
|
gint64 offset;
|
|
|
|
|
|
|
|
MoveContext *mv_ctx = &timeline->priv->movecontext;
|
|
|
|
|
|
|
|
mv_ctx->ignore_needs_ctx = TRUE;
|
|
|
|
|
|
|
|
if (!ges_timeline_set_moving_context (timeline, obj, GES_EDIT_MODE_RIPPLE,
|
|
|
|
edge, layers))
|
|
|
|
goto error;
|
|
|
|
|
|
|
|
switch (edge) {
|
|
|
|
case GES_EDGE_NONE:
|
|
|
|
GST_DEBUG ("Simply rippling");
|
|
|
|
|
|
|
|
cur = g_hash_table_lookup (timeline->priv->by_end, obj);
|
2012-04-25 18:55:46 +00:00
|
|
|
snapped = ges_timeline_snap_position (timeline, obj, cur, position, TRUE);
|
2012-04-24 00:52:45 +00:00
|
|
|
if (snapped)
|
|
|
|
position = *snapped;
|
|
|
|
|
|
|
|
offset = position - obj->start;
|
|
|
|
|
|
|
|
for (tmp = mv_ctx->moving_tckobjs; tmp; tmp = tmp->next) {
|
|
|
|
tckobj = GES_TRACK_OBJECT (tmp->data);
|
|
|
|
new_start = tckobj->start + offset;
|
|
|
|
|
|
|
|
tlobj = add_moving_timeline_object (mv_ctx, tckobj);
|
|
|
|
|
|
|
|
if (ges_track_object_is_locked (tckobj) == TRUE) {
|
|
|
|
|
|
|
|
/* Make sure not to move 2 times the same TimelineObject */
|
|
|
|
if (g_list_find (moved_tlobjs, tlobj) == NULL) {
|
|
|
|
ges_track_object_set_start (tckobj, new_start);
|
|
|
|
moved_tlobjs = g_list_prepend (moved_tlobjs, tlobj);
|
|
|
|
}
|
|
|
|
|
|
|
|
} else {
|
|
|
|
ges_track_object_set_start (tckobj, new_start);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
g_list_free (moved_tlobjs);
|
|
|
|
ges_track_object_set_start (obj, position);
|
|
|
|
|
|
|
|
break;
|
|
|
|
case GES_EDGE_END:
|
|
|
|
GST_DEBUG ("Rippling end");
|
|
|
|
|
|
|
|
cur = g_hash_table_lookup (timeline->priv->by_end, obj);
|
2012-04-25 18:55:46 +00:00
|
|
|
snapped = ges_timeline_snap_position (timeline, obj, cur, position, TRUE);
|
2012-04-24 00:52:45 +00:00
|
|
|
if (snapped)
|
|
|
|
position = *snapped;
|
|
|
|
|
|
|
|
duration = obj->duration;
|
|
|
|
|
|
|
|
ges_track_object_set_duration (obj, position - obj->start);
|
|
|
|
|
|
|
|
offset = obj->duration - duration;
|
|
|
|
for (tmp = mv_ctx->moving_tckobjs; tmp; tmp = tmp->next) {
|
|
|
|
tckobj = GES_TRACK_OBJECT (tmp->data);
|
|
|
|
new_start = tckobj->start + offset;
|
|
|
|
|
|
|
|
tlobj = add_moving_timeline_object (mv_ctx, tckobj);
|
|
|
|
|
|
|
|
if (ges_track_object_is_locked (tckobj) == TRUE) {
|
|
|
|
|
|
|
|
/* Make sure not to move 2 times the same TimelineObject */
|
|
|
|
if (g_list_find (moved_tlobjs, tlobj) == NULL) {
|
|
|
|
ges_track_object_set_start (tckobj, new_start);
|
|
|
|
moved_tlobjs = g_list_prepend (moved_tlobjs, tlobj);
|
|
|
|
}
|
|
|
|
|
|
|
|
} else {
|
|
|
|
ges_track_object_set_start (tckobj, new_start);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
g_list_free (moved_tlobjs);
|
|
|
|
GST_DEBUG ("Done Rippling end");
|
|
|
|
break;
|
|
|
|
case GES_EDGE_START:
|
|
|
|
GST_WARNING ("Ripple start doesn't exist!");
|
|
|
|
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
GST_DEBUG ("Can not ripple edge: %i", edge);
|
|
|
|
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
mv_ctx->ignore_needs_ctx = FALSE;
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
|
|
|
|
error:
|
|
|
|
mv_ctx->ignore_needs_ctx = FALSE;
|
|
|
|
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
gboolean
|
|
|
|
timeline_slide_object (GESTimeline * timeline, GESTrackObject * obj,
|
|
|
|
GList * layers, GESEdge edge, guint64 position)
|
|
|
|
{
|
|
|
|
|
|
|
|
/* FIXME implement me! */
|
|
|
|
GST_WARNING ("Slide mode editing not implemented yet");
|
|
|
|
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
gboolean
|
|
|
|
timeline_trim_object (GESTimeline * timeline, GESTrackObject * object,
|
|
|
|
GList * layers, GESEdge edge, guint64 position)
|
|
|
|
{
|
|
|
|
gboolean ret = FALSE;
|
|
|
|
MoveContext *mv_ctx = &timeline->priv->movecontext;
|
|
|
|
|
|
|
|
mv_ctx->ignore_needs_ctx = TRUE;
|
|
|
|
|
|
|
|
if (!ges_timeline_set_moving_context (timeline, object, GES_EDIT_MODE_TRIM,
|
|
|
|
edge, layers))
|
|
|
|
goto end;
|
|
|
|
|
|
|
|
ret =
|
|
|
|
ges_timeline_trim_object_simple (timeline, object, layers, edge, position,
|
|
|
|
TRUE);
|
|
|
|
|
|
|
|
end:
|
|
|
|
mv_ctx->ignore_needs_ctx = FALSE;
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
gboolean
|
|
|
|
timeline_roll_object (GESTimeline * timeline, GESTrackObject * obj,
|
|
|
|
GList * layers, GESEdge edge, guint64 position)
|
|
|
|
{
|
|
|
|
MoveContext *mv_ctx = &timeline->priv->movecontext;
|
|
|
|
guint64 start, duration, end, tmpstart, tmpduration, tmpend, *snapped, *cur;
|
|
|
|
gboolean ret = TRUE;
|
|
|
|
GList *tmp;
|
|
|
|
|
|
|
|
mv_ctx->ignore_needs_ctx = TRUE;
|
|
|
|
|
|
|
|
GST_DEBUG_OBJECT (obj, "Rolling object to %" GST_TIME_FORMAT,
|
|
|
|
GST_TIME_ARGS (position));
|
|
|
|
|
|
|
|
if (!ges_timeline_set_moving_context (timeline, obj, GES_EDIT_MODE_ROLL,
|
|
|
|
edge, layers))
|
|
|
|
goto error;
|
|
|
|
|
|
|
|
start = ges_track_object_get_start (obj);
|
|
|
|
duration = ges_track_object_get_duration (obj);
|
|
|
|
end = start + duration;
|
|
|
|
|
|
|
|
switch (edge) {
|
|
|
|
case GES_EDGE_START:
|
|
|
|
|
|
|
|
/* Avoid negative durations */
|
|
|
|
if (position < mv_ctx->max_trim_pos || position > end)
|
|
|
|
goto error;
|
|
|
|
|
|
|
|
cur = g_hash_table_lookup (timeline->priv->by_start, obj);
|
2012-04-25 18:55:46 +00:00
|
|
|
snapped = ges_timeline_snap_position (timeline, obj, cur, position, TRUE);
|
2012-04-24 00:52:45 +00:00
|
|
|
if (snapped)
|
|
|
|
position = *snapped;
|
|
|
|
|
|
|
|
ret &=
|
|
|
|
ges_timeline_trim_object_simple (timeline, obj, layers,
|
|
|
|
GES_EDGE_START, position, FALSE);
|
|
|
|
|
|
|
|
/* In the case we reached max_duration we just make sure to roll
|
|
|
|
* everything to the real new position */
|
|
|
|
position = obj->start;
|
|
|
|
|
|
|
|
/* Send back changes to the neighbourhood */
|
|
|
|
for (tmp = mv_ctx->moving_tckobjs; tmp; tmp = tmp->next) {
|
|
|
|
GESTrackObject *tmptckobj = GES_TRACK_OBJECT (tmp->data);
|
|
|
|
|
|
|
|
tmpstart = ges_track_object_get_start (tmptckobj);
|
|
|
|
tmpduration = ges_track_object_get_duration (tmptckobj);
|
|
|
|
tmpend = tmpstart + tmpduration;
|
|
|
|
|
|
|
|
/* Check that the object should be resized at this position
|
|
|
|
* even if an error accurs, we keep doing our job */
|
|
|
|
if (tmpend == start) {
|
|
|
|
ret &= ges_timeline_trim_object_simple (timeline, tmptckobj, NULL,
|
|
|
|
GES_EDGE_END, position, FALSE);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case GES_EDGE_END:
|
|
|
|
|
|
|
|
/* Avoid negative durations */
|
|
|
|
if (position > mv_ctx->max_trim_pos || position < start)
|
|
|
|
goto error;
|
|
|
|
|
|
|
|
end = obj->start + obj->duration;
|
|
|
|
|
|
|
|
cur = g_hash_table_lookup (timeline->priv->by_end, obj);
|
2012-04-25 18:55:46 +00:00
|
|
|
snapped = ges_timeline_snap_position (timeline, obj, cur, position, TRUE);
|
2012-04-24 00:52:45 +00:00
|
|
|
if (snapped)
|
|
|
|
position = *snapped;
|
|
|
|
|
|
|
|
ret &= ges_timeline_trim_object_simple (timeline, obj, NULL, GES_EDGE_END,
|
|
|
|
position, FALSE);
|
|
|
|
|
|
|
|
/* In the case we reached max_duration we just make sure to roll
|
|
|
|
* everything to the real new position */
|
|
|
|
position = obj->start + obj->duration;
|
|
|
|
|
|
|
|
/* Send back changes to the neighbourhood */
|
|
|
|
for (tmp = mv_ctx->moving_tckobjs; tmp; tmp = tmp->next) {
|
|
|
|
GESTrackObject *tmptckobj = GES_TRACK_OBJECT (tmp->data);
|
|
|
|
|
|
|
|
tmpstart = ges_track_object_get_start (tmptckobj);
|
|
|
|
tmpduration = ges_track_object_get_duration (tmptckobj);
|
|
|
|
tmpend = tmpstart + tmpduration;
|
|
|
|
|
|
|
|
/* Check that the object should be resized at this position
|
|
|
|
* even if an error accure, we keep doing our job */
|
|
|
|
if (end == tmpstart) {
|
|
|
|
ret &= ges_timeline_trim_object_simple (timeline, tmptckobj, NULL,
|
|
|
|
GES_EDGE_START, position, FALSE);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
GST_DEBUG ("Edge type %i not handled here", edge);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
mv_ctx->ignore_needs_ctx = FALSE;
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
error:
|
|
|
|
mv_ctx->ignore_needs_ctx = FALSE;
|
|
|
|
|
|
|
|
GST_DEBUG_OBJECT (obj, "Could not roll edge %d to %" GST_TIME_FORMAT,
|
|
|
|
edge, GST_TIME_ARGS (position));
|
|
|
|
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
gboolean
|
|
|
|
timeline_move_object (GESTimeline * timeline, GESTrackObject * object,
|
|
|
|
GList * layers, GESEdge edge, guint64 position)
|
|
|
|
{
|
|
|
|
if (!ges_timeline_set_moving_context (timeline, object, GES_EDIT_MODE_RIPPLE,
|
|
|
|
edge, layers)) {
|
|
|
|
GST_DEBUG_OBJECT (object, "Could not move to %" GST_TIME_FORMAT,
|
|
|
|
GST_TIME_ARGS (position));
|
|
|
|
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
return ges_timeline_move_object_simple (timeline, object, layers, edge,
|
|
|
|
position);
|
|
|
|
}
|
|
|
|
|
|
|
|
gboolean
|
|
|
|
ges_timeline_move_object_simple (GESTimeline * timeline,
|
|
|
|
GESTrackObject * object, GList * layers, GESEdge edge, guint64 position)
|
|
|
|
{
|
|
|
|
guint64 *snap_end, *snap_st, *cur, off1, off2, end;
|
|
|
|
|
|
|
|
end = position + object->duration;
|
|
|
|
cur = g_hash_table_lookup (timeline->priv->by_end, object);
|
2012-05-18 15:13:11 +00:00
|
|
|
|
|
|
|
GST_DEBUG_OBJECT (timeline, "Moving to %" GST_TIME_FORMAT " (end %"
|
|
|
|
GST_TIME_FORMAT ")", GST_TIME_ARGS (position), GST_TIME_ARGS (end));
|
|
|
|
|
2012-04-25 18:55:46 +00:00
|
|
|
snap_end = ges_timeline_snap_position (timeline, object, cur, end, FALSE);
|
2012-04-24 00:52:45 +00:00
|
|
|
if (snap_end)
|
|
|
|
off1 = end > *snap_end ? end - *snap_end : *snap_end - end;
|
|
|
|
else
|
|
|
|
off1 = G_MAXUINT64;
|
|
|
|
|
|
|
|
cur = g_hash_table_lookup (timeline->priv->by_start, object);
|
2012-04-25 18:55:46 +00:00
|
|
|
snap_st = ges_timeline_snap_position (timeline, object, cur, position, FALSE);
|
2012-04-24 00:52:45 +00:00
|
|
|
if (snap_st)
|
|
|
|
off2 = position > *snap_st ? position - *snap_st : *snap_st - position;
|
|
|
|
else
|
|
|
|
off2 = G_MAXUINT64;
|
|
|
|
|
2012-04-25 18:55:46 +00:00
|
|
|
/* In the case we could snap on both sides, we snap on the end */
|
2012-04-24 00:52:45 +00:00
|
|
|
if (snap_end && off1 <= off2) {
|
|
|
|
position = position + *snap_end - end;
|
|
|
|
ges_timeline_emit_snappig (timeline, object, snap_end);
|
|
|
|
} else if (snap_st) {
|
|
|
|
position = position + *snap_st - position;
|
|
|
|
ges_timeline_emit_snappig (timeline, object, snap_st);
|
2012-04-25 18:55:46 +00:00
|
|
|
} else
|
|
|
|
ges_timeline_emit_snappig (timeline, object, NULL);
|
2012-04-24 00:52:45 +00:00
|
|
|
|
|
|
|
|
|
|
|
ges_track_object_set_start (object, position);
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
gboolean
|
|
|
|
timeline_context_to_layer (GESTimeline * timeline, gint offset)
|
|
|
|
{
|
|
|
|
gboolean ret = TRUE;
|
|
|
|
MoveContext *mv_ctx = &timeline->priv->movecontext;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Layer's priority is always positive */
|
|
|
|
if (offset != 0 && (offset > 0 || mv_ctx->min_move_layer >= -offset)) {
|
|
|
|
GHashTableIter iter;
|
|
|
|
GESTimelineObject *key, *value;
|
|
|
|
GESTimelineLayer *new_layer, *layer;
|
|
|
|
guint prio;
|
|
|
|
|
|
|
|
mv_ctx->ignore_needs_ctx = TRUE;
|
|
|
|
|
|
|
|
GST_DEBUG ("Moving %d object, offset %d",
|
|
|
|
g_hash_table_size (mv_ctx->moving_tlobjs), offset);
|
|
|
|
|
|
|
|
g_hash_table_iter_init (&iter, mv_ctx->moving_tlobjs);
|
|
|
|
while (g_hash_table_iter_next (&iter, (gpointer *) & key,
|
|
|
|
(gpointer *) & value)) {
|
|
|
|
layer = ges_timeline_object_get_layer (value);
|
|
|
|
prio = ges_timeline_layer_get_priority (layer);
|
|
|
|
|
|
|
|
/* We know that the layer exists as we created it */
|
2012-11-11 16:51:45 +00:00
|
|
|
new_layer = GES_TIMELINE_LAYER (g_list_nth_data (timeline->layers,
|
2012-04-24 00:52:45 +00:00
|
|
|
prio + offset));
|
|
|
|
|
|
|
|
if (new_layer == NULL) {
|
|
|
|
do {
|
|
|
|
new_layer = ges_timeline_append_layer (timeline);
|
|
|
|
} while (ges_timeline_layer_get_priority (new_layer) < prio + offset);
|
|
|
|
}
|
|
|
|
|
|
|
|
ret &= ges_timeline_object_move_to_layer (key, new_layer);
|
|
|
|
|
|
|
|
g_object_unref (layer);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Readjust min_move_layer */
|
|
|
|
mv_ctx->min_move_layer = mv_ctx->min_move_layer + offset;
|
|
|
|
|
|
|
|
mv_ctx->ignore_needs_ctx = FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2010-10-20 17:00:24 +00:00
|
|
|
static void
|
2012-12-20 23:23:54 +00:00
|
|
|
add_object_to_track (GESTimelineObject * object, GESTrackObject * track_object,
|
|
|
|
GESTrack * track)
|
|
|
|
{
|
|
|
|
if (!ges_timeline_object_add_track_object (object, track_object)) {
|
|
|
|
GST_WARNING_OBJECT (object,
|
|
|
|
"Failed to add track object to timeline object");
|
|
|
|
gst_object_unref (track_object);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!ges_track_add_object (track, track_object)) {
|
|
|
|
GST_WARNING_OBJECT (object, "Failed to add track object to track");
|
|
|
|
ges_timeline_object_release_track_object (object, track_object);
|
|
|
|
gst_object_unref (track_object);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static GPtrArray *
|
|
|
|
select_tracks_for_object_default (GESTimeline * timeline,
|
|
|
|
GESTimelineObject * tl_obj, GESTrackObject * tr_object, gpointer user_data)
|
2010-10-20 17:00:24 +00:00
|
|
|
{
|
2012-12-20 23:23:54 +00:00
|
|
|
GPtrArray *result;
|
|
|
|
GList *tmp;
|
|
|
|
|
|
|
|
result = g_ptr_array_new ();
|
|
|
|
|
|
|
|
for (tmp = timeline->tracks; tmp; tmp = tmp->next) {
|
|
|
|
GESTrack *track = GES_TRACK (tmp->data);
|
|
|
|
|
|
|
|
if ((track->type & ges_track_object_get_track_type (tr_object))) {
|
|
|
|
gst_object_ref (track);
|
|
|
|
g_ptr_array_add (result, track);
|
2012-02-02 18:29:30 +00:00
|
|
|
}
|
2010-10-20 17:00:24 +00:00
|
|
|
}
|
2012-12-20 23:23:54 +00:00
|
|
|
|
|
|
|
return result;
|
2010-10-20 17:00:24 +00:00
|
|
|
}
|
|
|
|
|
2009-08-06 15:38:43 +00:00
|
|
|
static void
|
2012-12-20 23:23:54 +00:00
|
|
|
add_object_to_tracks (GESTimeline * timeline, GESTimelineObject * object,
|
|
|
|
GESTrack * track)
|
2009-08-06 15:38:43 +00:00
|
|
|
{
|
2012-12-20 23:23:54 +00:00
|
|
|
gint i;
|
|
|
|
GPtrArray *tracks = NULL;
|
|
|
|
GESTrackType types, visited_type = 1;
|
|
|
|
GList *tmp, *l, *track_objects;
|
|
|
|
|
|
|
|
GST_DEBUG_OBJECT (timeline, "Creating %" GST_PTR_FORMAT
|
|
|
|
" trackobjects and adding them to our tracks", object);
|
|
|
|
|
|
|
|
types = ges_timeline_object_get_supported_formats (object);
|
|
|
|
if (track) {
|
|
|
|
if ((types & track->type) == 0)
|
|
|
|
return;
|
|
|
|
types = track->type;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0, tmp = timeline->tracks; tmp; tmp = tmp->next, i++) {
|
|
|
|
GESTrack *track = GES_TRACK (tmp->data);
|
|
|
|
|
|
|
|
if (((track->type & types) == 0 || (track->type & visited_type)))
|
|
|
|
continue;
|
|
|
|
|
|
|
|
track_objects = ges_timeline_object_create_track_objects (object,
|
|
|
|
track->type);
|
|
|
|
for (l = track_objects; l; l = l->next) {
|
|
|
|
GESTrack *tmp_track;
|
|
|
|
GESTrackObject *track_object = l->data;
|
|
|
|
|
|
|
|
GST_DEBUG_OBJECT (timeline, "Got trackobject: %" GST_PTR_FORMAT
|
|
|
|
"Asking to which track it should be added", track_object);
|
|
|
|
|
|
|
|
g_signal_emit (G_OBJECT (timeline),
|
|
|
|
ges_timeline_signals[SELECT_TRACKS_FOR_OBJECT], 0, object,
|
|
|
|
track_object, &tracks);
|
2009-08-06 15:38:43 +00:00
|
|
|
|
2012-12-20 23:23:54 +00:00
|
|
|
if (!tracks || tracks->len == 0) {
|
2012-12-21 23:48:03 +00:00
|
|
|
GST_DEBUG_OBJECT (timeline, "Got no Track to add %p (type %s)",
|
|
|
|
track_object,
|
|
|
|
ges_track_type_name (ges_track_object_get_track_type
|
|
|
|
(track_object)));
|
2012-12-20 23:23:54 +00:00
|
|
|
goto next_track_object;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < tracks->len; i++) {
|
|
|
|
GESTrackObject *track_object_copy;
|
|
|
|
|
|
|
|
tmp_track = g_ptr_array_index (tracks, i);
|
|
|
|
if (track && tmp_track != track) {
|
|
|
|
GST_LOG_OBJECT (timeline,
|
|
|
|
"Not adding %" GST_PTR_FORMAT " to any track", track_object);
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
track_object_copy = ges_track_object_copy (track_object, TRUE);
|
|
|
|
|
|
|
|
GST_LOG_OBJECT (timeline, "Trying to add %p to track %p",
|
|
|
|
track_object_copy, tmp_track);
|
|
|
|
add_object_to_track (object, track_object_copy, tmp_track);
|
|
|
|
|
|
|
|
gst_object_unref (tmp_track);
|
|
|
|
}
|
|
|
|
|
|
|
|
next_track_object:
|
|
|
|
if (tracks) {
|
|
|
|
g_ptr_array_unref (tracks);
|
|
|
|
tracks = NULL;
|
|
|
|
}
|
|
|
|
gst_object_unref (track_object);
|
|
|
|
}
|
2009-08-06 15:38:43 +00:00
|
|
|
}
|
2010-05-19 10:36:11 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
layer_object_added_cb (GESTimelineLayer * layer, GESTimelineObject * object,
|
|
|
|
GESTimeline * timeline)
|
|
|
|
{
|
2011-06-06 19:55:47 +00:00
|
|
|
if (ges_timeline_object_is_moving_from_layer (object)) {
|
|
|
|
GST_DEBUG ("TimelineObject %p is moving from a layer to another, not doing"
|
|
|
|
" anything on it", object);
|
2012-05-18 14:33:44 +00:00
|
|
|
timeline->priv->movecontext.needs_move_ctx = TRUE;
|
2011-06-06 19:55:47 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2010-05-19 10:36:11 +00:00
|
|
|
GST_DEBUG ("New TimelineObject %p added to layer %p", object, layer);
|
2012-12-20 23:23:54 +00:00
|
|
|
add_object_to_tracks (timeline, object, NULL);
|
2012-12-17 20:05:56 +00:00
|
|
|
GST_DEBUG ("Done");
|
2009-08-06 15:38:43 +00:00
|
|
|
}
|
|
|
|
|
2011-06-03 02:03:19 +00:00
|
|
|
static void
|
|
|
|
layer_priority_changed_cb (GESTimelineLayer * layer,
|
|
|
|
GParamSpec * arg G_GNUC_UNUSED, GESTimeline * timeline)
|
|
|
|
{
|
2012-11-11 16:51:45 +00:00
|
|
|
timeline->layers = g_list_sort (timeline->layers, (GCompareFunc)
|
2011-06-03 02:03:19 +00:00
|
|
|
sort_layers);
|
|
|
|
}
|
2009-08-06 15:38:43 +00:00
|
|
|
|
|
|
|
static void
|
|
|
|
layer_object_removed_cb (GESTimelineLayer * layer, GESTimelineObject * object,
|
|
|
|
GESTimeline * timeline)
|
|
|
|
{
|
2011-08-24 10:04:32 +00:00
|
|
|
GList *trackobjects, *tmp;
|
2009-08-07 14:41:23 +00:00
|
|
|
|
2011-06-06 19:55:47 +00:00
|
|
|
if (ges_timeline_object_is_moving_from_layer (object)) {
|
|
|
|
GST_DEBUG ("TimelineObject %p is moving from a layer to another, not doing"
|
|
|
|
" anything on it", object);
|
|
|
|
return;
|
|
|
|
}
|
2009-08-07 14:41:23 +00:00
|
|
|
|
|
|
|
GST_DEBUG ("TimelineObject %p removed from layer %p", object, layer);
|
|
|
|
|
|
|
|
/* Go over the object's track objects and figure out which one belongs to
|
|
|
|
* the list of tracks we control */
|
|
|
|
|
2010-11-28 12:24:07 +00:00
|
|
|
trackobjects = ges_timeline_object_get_track_objects (object);
|
|
|
|
for (tmp = trackobjects; tmp; tmp = tmp->next) {
|
2009-08-07 14:41:23 +00:00
|
|
|
GESTrackObject *trobj = (GESTrackObject *) tmp->data;
|
|
|
|
|
2012-12-20 23:23:54 +00:00
|
|
|
GST_DEBUG_OBJECT (timeline, "Trying to remove TrackObject %p", trobj);
|
2012-12-20 14:28:39 +00:00
|
|
|
if (G_LIKELY (g_list_find_custom (timeline->priv->priv_tracks,
|
2010-12-16 14:00:46 +00:00
|
|
|
ges_track_object_get_track (trobj),
|
2009-09-08 17:44:03 +00:00
|
|
|
(GCompareFunc) custom_find_track))) {
|
2009-08-07 14:41:23 +00:00
|
|
|
GST_DEBUG ("Belongs to one of the tracks we control");
|
2010-12-16 14:00:46 +00:00
|
|
|
ges_track_remove_object (ges_track_object_get_track (trobj), trobj);
|
2009-08-07 14:41:23 +00:00
|
|
|
|
|
|
|
ges_timeline_object_release_track_object (object, trobj);
|
|
|
|
}
|
2010-12-20 11:02:40 +00:00
|
|
|
/* removing the reference added by _get_track_objects() */
|
|
|
|
g_object_unref (trobj);
|
2009-08-07 14:41:23 +00:00
|
|
|
}
|
2011-08-24 10:04:32 +00:00
|
|
|
|
2010-11-28 12:24:07 +00:00
|
|
|
g_list_free (trackobjects);
|
2009-08-07 14:41:23 +00:00
|
|
|
|
|
|
|
GST_DEBUG ("Done");
|
2009-08-06 15:38:43 +00:00
|
|
|
}
|
|
|
|
|
2012-04-24 00:52:45 +00:00
|
|
|
static void
|
|
|
|
trackobj_start_changed_cb (GESTrackObject * child,
|
|
|
|
GParamSpec * arg G_GNUC_UNUSED, GESTimeline * timeline)
|
|
|
|
{
|
|
|
|
sort_track_objects (timeline);
|
|
|
|
sort_starts_ends_start (timeline, child);
|
|
|
|
sort_starts_ends_end (timeline, child);
|
|
|
|
|
2012-05-18 14:33:44 +00:00
|
|
|
/* If the timeline is set to snap objects together, we
|
|
|
|
* are sure that all movement of TrackObject-s are done within
|
|
|
|
* the moving context, so we do not need to recalculate the
|
|
|
|
* move context as often */
|
|
|
|
if (timeline->priv->movecontext.ignore_needs_ctx &&
|
|
|
|
timeline->priv->snapping_distance == 0)
|
2012-04-24 00:52:45 +00:00
|
|
|
timeline->priv->movecontext.needs_move_ctx = TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
trackobj_duration_changed_cb (GESTrackObject * child,
|
|
|
|
GParamSpec * arg G_GNUC_UNUSED, GESTimeline * timeline)
|
|
|
|
{
|
|
|
|
sort_starts_ends_end (timeline, child);
|
|
|
|
|
2012-05-18 14:33:44 +00:00
|
|
|
/* If the timeline is set to snap objects together, we
|
|
|
|
* are sure that all movement of TrackObject-s are done within
|
|
|
|
* the moving context, so we do not need to recalculate the
|
|
|
|
* move context as often */
|
|
|
|
if (timeline->priv->movecontext.ignore_needs_ctx &&
|
|
|
|
timeline->priv->snapping_distance == 0)
|
2012-04-24 00:52:45 +00:00
|
|
|
timeline->priv->movecontext.needs_move_ctx = TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
track_object_added_cb (GESTrack * track, GESTrackObject * object,
|
|
|
|
GESTimeline * timeline)
|
|
|
|
{
|
|
|
|
/* We only work with sources */
|
|
|
|
if (GES_IS_TRACK_SOURCE (object)) {
|
|
|
|
start_tracking_track_obj (timeline, object);
|
|
|
|
|
|
|
|
g_signal_connect (GES_TRACK_OBJECT (object), "notify::start",
|
|
|
|
G_CALLBACK (trackobj_start_changed_cb), timeline);
|
|
|
|
g_signal_connect (GES_TRACK_OBJECT (object), "notify::duration",
|
|
|
|
G_CALLBACK (trackobj_duration_changed_cb), timeline);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
track_object_removed_cb (GESTrack * track, GESTrackObject * object,
|
|
|
|
GESTimeline * timeline)
|
|
|
|
{
|
|
|
|
/* We only work with sources */
|
|
|
|
if (GES_IS_TRACK_SOURCE (object)) {
|
|
|
|
g_signal_handlers_disconnect_by_func (object, trackobj_start_changed_cb,
|
|
|
|
NULL);
|
|
|
|
g_signal_handlers_disconnect_by_func (object, trackobj_duration_changed_cb,
|
|
|
|
NULL);
|
|
|
|
|
|
|
|
/* Make sure to reinitialise the moving context next time */
|
|
|
|
timeline->priv->movecontext.needs_move_ctx = TRUE;
|
|
|
|
stop_tracking_for_snapping (timeline, object);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-03-31 17:57:04 +00:00
|
|
|
static void
|
2012-05-18 17:17:17 +00:00
|
|
|
pad_added_cb (GESTrack * track, GstPad * pad, TrackPrivate * tr_priv)
|
2012-03-31 17:57:04 +00:00
|
|
|
{
|
2012-05-18 17:17:17 +00:00
|
|
|
gchar *padname;
|
|
|
|
gboolean no_more;
|
2012-03-31 17:57:04 +00:00
|
|
|
GList *tmp;
|
|
|
|
|
2012-05-18 17:17:17 +00:00
|
|
|
GST_DEBUG ("track:%p, pad:%s:%s", track, GST_DEBUG_PAD_NAME (pad));
|
|
|
|
|
|
|
|
if (G_UNLIKELY (tr_priv->pad)) {
|
|
|
|
GST_WARNING ("We are already controlling a pad for this track");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Remember the pad */
|
|
|
|
GST_OBJECT_LOCK (track);
|
|
|
|
tr_priv->pad = pad;
|
|
|
|
|
|
|
|
no_more = TRUE;
|
2012-12-20 14:28:39 +00:00
|
|
|
for (tmp = tr_priv->timeline->priv->priv_tracks; tmp; tmp = g_list_next (tmp)) {
|
2012-03-31 17:57:04 +00:00
|
|
|
TrackPrivate *tr_priv = (TrackPrivate *) tmp->data;
|
2012-04-24 00:52:45 +00:00
|
|
|
|
2012-05-18 17:17:17 +00:00
|
|
|
if (!tr_priv->pad) {
|
|
|
|
GST_LOG ("Found track without pad %p", tr_priv->track);
|
|
|
|
no_more = FALSE;
|
|
|
|
}
|
2012-03-31 17:57:04 +00:00
|
|
|
}
|
2012-05-18 17:17:17 +00:00
|
|
|
GST_OBJECT_UNLOCK (track);
|
2012-03-31 17:57:04 +00:00
|
|
|
|
2012-05-18 17:17:17 +00:00
|
|
|
/* ghost it ! */
|
|
|
|
GST_DEBUG ("Ghosting pad and adding it to ourself");
|
|
|
|
padname = g_strdup_printf ("track_%p_src", track);
|
|
|
|
tr_priv->ghostpad = gst_ghost_pad_new (padname, pad);
|
|
|
|
g_free (padname);
|
|
|
|
gst_pad_set_active (tr_priv->ghostpad, TRUE);
|
|
|
|
gst_element_add_pad (GST_ELEMENT (tr_priv->timeline), tr_priv->ghostpad);
|
2012-03-31 17:57:04 +00:00
|
|
|
|
2012-05-18 17:17:17 +00:00
|
|
|
if (no_more) {
|
|
|
|
GST_DEBUG ("Signaling no-more-pads");
|
|
|
|
gst_element_no_more_pads (GST_ELEMENT (tr_priv->timeline));
|
|
|
|
}
|
|
|
|
}
|
2012-03-31 17:57:04 +00:00
|
|
|
|
2012-05-18 17:17:17 +00:00
|
|
|
static void
|
|
|
|
pad_removed_cb (GESTrack * track, GstPad * pad, TrackPrivate * tr_priv)
|
|
|
|
{
|
|
|
|
GST_DEBUG ("track:%p, pad:%s:%s", track, GST_DEBUG_PAD_NAME (pad));
|
|
|
|
|
|
|
|
if (G_UNLIKELY (tr_priv->pad != pad)) {
|
|
|
|
GST_WARNING ("Not the pad we're controlling");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (G_UNLIKELY (tr_priv->ghostpad == NULL)) {
|
|
|
|
GST_WARNING ("We don't have a ghostpad for this pad !");
|
|
|
|
return;
|
2012-03-31 17:57:04 +00:00
|
|
|
}
|
2012-05-18 17:17:17 +00:00
|
|
|
|
|
|
|
GST_DEBUG ("Removing ghostpad");
|
|
|
|
gst_pad_set_active (tr_priv->ghostpad, FALSE);
|
|
|
|
gst_element_remove_pad (GST_ELEMENT (tr_priv->timeline), tr_priv->ghostpad);
|
|
|
|
tr_priv->ghostpad = NULL;
|
|
|
|
tr_priv->pad = NULL;
|
2012-03-31 17:57:04 +00:00
|
|
|
}
|
|
|
|
|
2012-05-18 17:17:17 +00:00
|
|
|
/**** API *****/
|
2011-06-07 16:54:06 +00:00
|
|
|
/**
|
2012-03-31 17:57:04 +00:00
|
|
|
* ges_timeline_new:
|
|
|
|
*
|
|
|
|
* Creates a new empty #GESTimeline.
|
|
|
|
*
|
|
|
|
* Returns: The new timeline.
|
|
|
|
*/
|
|
|
|
|
|
|
|
GESTimeline *
|
|
|
|
ges_timeline_new (void)
|
|
|
|
{
|
|
|
|
return g_object_new (GES_TYPE_TIMELINE, NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ges_timeline_new_from_uri:
|
|
|
|
* @uri: the URI to load from
|
2012-12-18 01:35:28 +00:00
|
|
|
* @error: (out) (allow-none): An error to be set in case something wrong happens or %NULL
|
2012-03-31 17:57:04 +00:00
|
|
|
*
|
|
|
|
* Creates a timeline from the given URI.
|
|
|
|
*
|
|
|
|
* Returns: A new timeline if the uri was loaded successfully, or NULL if the
|
|
|
|
* uri could not be loaded
|
|
|
|
*/
|
|
|
|
GESTimeline *
|
2012-09-23 00:05:42 +00:00
|
|
|
ges_timeline_new_from_uri (const gchar * uri, GError ** error)
|
2012-03-31 17:57:04 +00:00
|
|
|
{
|
|
|
|
GESTimeline *ret;
|
2012-11-24 03:09:28 +00:00
|
|
|
GESProject *project = ges_project_new (uri);
|
2012-03-31 17:57:04 +00:00
|
|
|
|
2012-11-24 03:09:28 +00:00
|
|
|
ret = GES_TIMELINE (ges_asset_extract (GES_ASSET (project), error));
|
|
|
|
gst_object_unref (ret);
|
2012-03-31 17:57:04 +00:00
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ges_timeline_load_from_uri:
|
|
|
|
* @timeline: an empty #GESTimeline into which to load the formatter
|
|
|
|
* @uri: The URI to load from
|
2012-12-18 01:35:28 +00:00
|
|
|
* @error: (out) (allow-none): An error to be set in case something wrong happens or %NULL
|
2012-03-31 17:57:04 +00:00
|
|
|
*
|
|
|
|
* Loads the contents of URI into the given timeline.
|
|
|
|
*
|
|
|
|
* Returns: TRUE if the timeline was loaded successfully, or FALSE if the uri
|
|
|
|
* could not be loaded.
|
|
|
|
*/
|
|
|
|
gboolean
|
2012-09-23 00:05:42 +00:00
|
|
|
ges_timeline_load_from_uri (GESTimeline * timeline, const gchar * uri,
|
|
|
|
GError ** error)
|
2012-03-31 17:57:04 +00:00
|
|
|
{
|
2012-11-24 03:09:28 +00:00
|
|
|
GESProject *project;
|
|
|
|
gboolean ret = FALSE;
|
|
|
|
|
|
|
|
g_return_val_if_fail (GES_IS_TIMELINE (timeline), FALSE);
|
|
|
|
g_return_val_if_fail ((ges_extractable_get_asset (GES_EXTRACTABLE
|
|
|
|
(timeline)) == NULL), FALSE);
|
|
|
|
|
|
|
|
project = ges_project_new (uri);
|
|
|
|
ret = ges_project_load (project, timeline, error);
|
|
|
|
gst_object_unref (project);
|
|
|
|
|
|
|
|
return ret;
|
2012-03-31 17:57:04 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ges_timeline_save_to_uri:
|
2011-06-07 16:54:06 +00:00
|
|
|
* @timeline: a #GESTimeline
|
2012-03-31 17:57:04 +00:00
|
|
|
* @uri: The location to save to
|
2012-11-24 03:09:28 +00:00
|
|
|
* @formatter_asset: (allow-none): The formatter asset to use or %NULL. If %NULL,
|
|
|
|
* will try to save in the same format as the one from which the timeline as been loaded
|
|
|
|
* or default to the formatter with highest rank
|
|
|
|
* @overwrite: %TRUE to overwrite file if it exists
|
|
|
|
* @error: (out) (allow-none): An error to be set in case something wrong happens or %NULL
|
2011-06-07 16:54:06 +00:00
|
|
|
*
|
2012-03-31 17:57:04 +00:00
|
|
|
* Saves the timeline to the given location
|
2011-06-07 16:54:06 +00:00
|
|
|
*
|
2012-03-31 17:57:04 +00:00
|
|
|
* Returns: TRUE if the timeline was successfully saved to the given location,
|
|
|
|
* else FALSE.
|
2011-06-07 16:54:06 +00:00
|
|
|
*/
|
|
|
|
gboolean
|
2012-09-23 00:05:42 +00:00
|
|
|
ges_timeline_save_to_uri (GESTimeline * timeline, const gchar * uri,
|
2012-11-24 03:09:28 +00:00
|
|
|
GESAsset * formatter_asset, gboolean overwrite, GError ** error)
|
2012-03-31 17:57:04 +00:00
|
|
|
{
|
2012-11-24 03:09:28 +00:00
|
|
|
gboolean ret, created_proj;
|
|
|
|
GESProject *project;
|
|
|
|
|
|
|
|
g_return_val_if_fail (GES_IS_TIMELINE (timeline), FALSE);
|
|
|
|
project =
|
|
|
|
GES_PROJECT (ges_extractable_get_asset (GES_EXTRACTABLE (timeline)));
|
|
|
|
|
|
|
|
if (project == NULL) {
|
|
|
|
project = ges_project_new (NULL);
|
|
|
|
created_proj = TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
ret = ges_project_save (project, timeline, uri, formatter_asset, overwrite,
|
|
|
|
error);
|
|
|
|
|
|
|
|
if (created_proj)
|
|
|
|
gst_object_unref (project);
|
|
|
|
|
|
|
|
return ret;
|
2012-03-31 17:57:04 +00:00
|
|
|
}
|
|
|
|
|
2011-06-07 16:54:06 +00:00
|
|
|
/**
|
|
|
|
* ges_timeline_append_layer:
|
|
|
|
* @timeline: a #GESTimeline
|
|
|
|
*
|
2012-04-24 00:55:27 +00:00
|
|
|
* Append a newly created #GESTimelineLayer to @timeline
|
2012-01-23 02:03:22 +00:00
|
|
|
* Note that you do not own any reference to the returned layer.
|
2011-06-07 16:54:06 +00:00
|
|
|
*
|
2012-01-23 02:03:22 +00:00
|
|
|
* Returns: (transfer none): The newly created #GESTimelineLayer, or the last (empty)
|
|
|
|
* #GESTimelineLayer of @timeline.
|
2011-06-07 16:54:06 +00:00
|
|
|
*/
|
2012-01-23 02:03:22 +00:00
|
|
|
GESTimelineLayer *
|
|
|
|
ges_timeline_append_layer (GESTimeline * timeline)
|
2011-06-07 16:54:06 +00:00
|
|
|
{
|
|
|
|
guint32 priority;
|
2012-01-23 02:03:22 +00:00
|
|
|
GESTimelineLayer *layer;
|
2011-06-07 16:54:06 +00:00
|
|
|
|
2012-01-23 02:03:22 +00:00
|
|
|
layer = ges_timeline_layer_new ();
|
2012-11-11 16:51:45 +00:00
|
|
|
priority = g_list_length (timeline->layers);
|
2011-06-07 16:54:06 +00:00
|
|
|
ges_timeline_layer_set_priority (layer, priority);
|
|
|
|
|
2012-01-23 02:03:22 +00:00
|
|
|
ges_timeline_add_layer (timeline, layer);
|
|
|
|
|
|
|
|
return layer;
|
2011-06-07 16:54:06 +00:00
|
|
|
}
|
|
|
|
|
2009-09-14 17:24:28 +00:00
|
|
|
/**
|
|
|
|
* ges_timeline_add_layer:
|
|
|
|
* @timeline: a #GESTimeline
|
|
|
|
* @layer: the #GESTimelineLayer to add
|
|
|
|
*
|
|
|
|
* Add the layer to the timeline. The reference to the @layer will be stolen
|
|
|
|
* by the @timeline.
|
|
|
|
*
|
|
|
|
* Returns: TRUE if the layer was properly added, else FALSE.
|
|
|
|
*/
|
2009-08-04 15:13:11 +00:00
|
|
|
gboolean
|
2009-08-04 15:16:31 +00:00
|
|
|
ges_timeline_add_layer (GESTimeline * timeline, GESTimelineLayer * layer)
|
2009-08-04 15:13:11 +00:00
|
|
|
{
|
2010-10-19 15:39:43 +00:00
|
|
|
GList *objects, *tmp;
|
|
|
|
|
2009-08-06 15:38:43 +00:00
|
|
|
GST_DEBUG ("timeline:%p, layer:%p", timeline, layer);
|
|
|
|
|
|
|
|
/* We can only add a layer that doesn't already belong to another timeline */
|
|
|
|
if (G_UNLIKELY (layer->timeline)) {
|
|
|
|
GST_WARNING ("Layer belongs to another timeline, can't add it");
|
|
|
|
return FALSE;
|
|
|
|
}
|
2009-08-04 15:13:11 +00:00
|
|
|
|
|
|
|
/* Add to the list of layers, make sure we don't already control it */
|
2012-11-11 16:51:45 +00:00
|
|
|
if (G_UNLIKELY (g_list_find (timeline->layers, (gconstpointer) layer))) {
|
2009-08-06 15:38:43 +00:00
|
|
|
GST_WARNING ("Layer is already controlled by this timeline");
|
|
|
|
return FALSE;
|
|
|
|
}
|
2009-08-04 15:13:11 +00:00
|
|
|
|
2010-12-20 11:00:06 +00:00
|
|
|
g_object_ref_sink (layer);
|
2012-11-11 16:51:45 +00:00
|
|
|
timeline->layers = g_list_insert_sorted (timeline->layers, layer,
|
2011-06-03 02:03:19 +00:00
|
|
|
(GCompareFunc) sort_layers);
|
2009-08-04 15:13:11 +00:00
|
|
|
|
2009-08-06 15:38:43 +00:00
|
|
|
/* Inform the layer that it belongs to a new timeline */
|
|
|
|
ges_timeline_layer_set_timeline (layer, timeline);
|
|
|
|
|
|
|
|
/* Connect to 'object-added'/'object-removed' signal from the new layer */
|
|
|
|
g_signal_connect (layer, "object-added", G_CALLBACK (layer_object_added_cb),
|
|
|
|
timeline);
|
|
|
|
g_signal_connect (layer, "object-removed",
|
|
|
|
G_CALLBACK (layer_object_removed_cb), timeline);
|
2011-06-03 02:03:19 +00:00
|
|
|
g_signal_connect (layer, "notify::priority",
|
|
|
|
G_CALLBACK (layer_priority_changed_cb), timeline);
|
2009-08-06 15:38:43 +00:00
|
|
|
|
|
|
|
GST_DEBUG ("Done adding layer, emitting 'layer-added' signal");
|
|
|
|
g_signal_emit (timeline, ges_timeline_signals[LAYER_ADDED], 0, layer);
|
|
|
|
|
2010-10-19 15:39:43 +00:00
|
|
|
/* add any existing timeline objects to the timeline */
|
|
|
|
objects = ges_timeline_layer_get_objects (layer);
|
|
|
|
for (tmp = objects; tmp; tmp = tmp->next) {
|
|
|
|
layer_object_added_cb (layer, tmp->data, timeline);
|
|
|
|
g_object_unref (tmp->data);
|
|
|
|
tmp->data = NULL;
|
|
|
|
}
|
|
|
|
g_list_free (objects);
|
|
|
|
|
2009-08-06 15:38:43 +00:00
|
|
|
return TRUE;
|
2009-08-04 15:13:11 +00:00
|
|
|
}
|
|
|
|
|
2009-09-16 10:37:45 +00:00
|
|
|
/**
|
|
|
|
* ges_timeline_remove_layer:
|
|
|
|
* @timeline: a #GESTimeline
|
|
|
|
* @layer: the #GESTimelineLayer to remove
|
|
|
|
*
|
|
|
|
* Removes the layer from the timeline. The reference that the @timeline holds on
|
|
|
|
* the layer will be dropped. If you wish to use the @layer after calling this
|
|
|
|
* method, you need to take a reference before calling.
|
|
|
|
*
|
|
|
|
* Returns: TRUE if the layer was properly removed, else FALSE.
|
|
|
|
*/
|
|
|
|
|
2009-08-04 15:13:11 +00:00
|
|
|
gboolean
|
2009-08-04 15:16:31 +00:00
|
|
|
ges_timeline_remove_layer (GESTimeline * timeline, GESTimelineLayer * layer)
|
2009-08-04 15:13:11 +00:00
|
|
|
{
|
2010-10-07 11:29:05 +00:00
|
|
|
GList *layer_objects, *tmp;
|
|
|
|
|
2009-08-07 14:41:23 +00:00
|
|
|
GST_DEBUG ("timeline:%p, layer:%p", timeline, layer);
|
2009-08-04 15:13:11 +00:00
|
|
|
|
2012-11-11 16:51:45 +00:00
|
|
|
if (G_UNLIKELY (!g_list_find (timeline->layers, layer))) {
|
2009-08-07 14:41:23 +00:00
|
|
|
GST_WARNING ("Layer doesn't belong to this timeline");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
2010-10-07 11:29:05 +00:00
|
|
|
/* remove objects from any private data structures */
|
|
|
|
|
|
|
|
layer_objects = ges_timeline_layer_get_objects (layer);
|
|
|
|
for (tmp = layer_objects; tmp; tmp = tmp->next) {
|
|
|
|
layer_object_removed_cb (layer, GES_TIMELINE_OBJECT (tmp->data), timeline);
|
|
|
|
g_object_unref (G_OBJECT (tmp->data));
|
|
|
|
tmp->data = NULL;
|
|
|
|
}
|
|
|
|
g_list_free (layer_objects);
|
|
|
|
|
2009-08-07 14:41:23 +00:00
|
|
|
/* Disconnect signals */
|
|
|
|
GST_DEBUG ("Disconnecting signal callbacks");
|
|
|
|
g_signal_handlers_disconnect_by_func (layer, layer_object_added_cb, timeline);
|
|
|
|
g_signal_handlers_disconnect_by_func (layer, layer_object_removed_cb,
|
|
|
|
timeline);
|
|
|
|
|
2012-11-11 16:51:45 +00:00
|
|
|
timeline->layers = g_list_remove (timeline->layers, layer);
|
2009-08-07 14:41:23 +00:00
|
|
|
|
|
|
|
ges_timeline_layer_set_timeline (layer, NULL);
|
|
|
|
|
|
|
|
g_signal_emit (timeline, ges_timeline_signals[LAYER_REMOVED], 0, layer);
|
|
|
|
|
|
|
|
g_object_unref (layer);
|
|
|
|
|
|
|
|
return TRUE;
|
2009-08-04 15:13:11 +00:00
|
|
|
}
|
|
|
|
|
2009-09-14 17:24:28 +00:00
|
|
|
/**
|
|
|
|
* ges_timeline_add_track:
|
|
|
|
* @timeline: a #GESTimeline
|
|
|
|
* @track: the #GESTrack to add
|
|
|
|
*
|
|
|
|
* Add a track to the timeline. The reference to the track will be stolen by the
|
|
|
|
* pipeline.
|
|
|
|
*
|
|
|
|
* Returns: TRUE if the track was properly added, else FALSE.
|
|
|
|
*/
|
|
|
|
|
2010-10-19 12:35:58 +00:00
|
|
|
/* FIXME: create track objects for timeline objects which have already been
|
|
|
|
* added to existing layers.
|
|
|
|
*/
|
|
|
|
|
2009-08-04 15:13:11 +00:00
|
|
|
gboolean
|
2009-08-04 15:16:31 +00:00
|
|
|
ges_timeline_add_track (GESTimeline * timeline, GESTrack * track)
|
2009-08-04 15:13:11 +00:00
|
|
|
{
|
2011-01-08 10:22:36 +00:00
|
|
|
TrackPrivate *tr_priv;
|
2010-10-20 17:00:24 +00:00
|
|
|
GList *tmp;
|
2009-09-08 17:44:03 +00:00
|
|
|
|
2009-08-06 15:38:43 +00:00
|
|
|
GST_DEBUG ("timeline:%p, track:%p", timeline, track);
|
2009-08-04 15:13:11 +00:00
|
|
|
|
2009-08-07 14:41:23 +00:00
|
|
|
/* make sure we don't already control it */
|
2012-12-20 14:28:39 +00:00
|
|
|
if (G_UNLIKELY (g_list_find (timeline->tracks, (gconstpointer) track))) {
|
2009-08-06 15:38:43 +00:00
|
|
|
GST_WARNING ("Track is already controlled by this timeline");
|
|
|
|
return FALSE;
|
|
|
|
}
|
2009-08-04 15:13:11 +00:00
|
|
|
|
2011-01-08 10:22:36 +00:00
|
|
|
/* Add the track to ourself (as a GstBin)
|
2009-09-14 17:24:28 +00:00
|
|
|
* Reference is stolen ! */
|
2009-08-06 15:38:43 +00:00
|
|
|
if (G_UNLIKELY (!gst_bin_add (GST_BIN (timeline), GST_ELEMENT (track)))) {
|
|
|
|
GST_WARNING ("Couldn't add track to ourself (GST)");
|
|
|
|
return FALSE;
|
|
|
|
}
|
2009-08-04 15:13:11 +00:00
|
|
|
|
2011-01-08 10:22:36 +00:00
|
|
|
tr_priv = g_new0 (TrackPrivate, 1);
|
|
|
|
tr_priv->timeline = timeline;
|
|
|
|
tr_priv->track = track;
|
2009-09-08 17:44:03 +00:00
|
|
|
|
2009-08-06 15:38:43 +00:00
|
|
|
/* Add the track to the list of tracks we track */
|
2012-12-20 14:28:39 +00:00
|
|
|
timeline->priv->priv_tracks = g_list_append (timeline->priv->priv_tracks,
|
|
|
|
tr_priv);
|
|
|
|
timeline->tracks = g_list_append (timeline->tracks, track);
|
2009-09-08 17:44:03 +00:00
|
|
|
|
|
|
|
/* Listen to pad-added/-removed */
|
2011-01-08 10:22:36 +00:00
|
|
|
g_signal_connect (track, "pad-added", (GCallback) pad_added_cb, tr_priv);
|
|
|
|
g_signal_connect (track, "pad-removed", (GCallback) pad_removed_cb, tr_priv);
|
2009-08-06 15:38:43 +00:00
|
|
|
|
|
|
|
/* Inform the track that it's currently being used by ourself */
|
|
|
|
ges_track_set_timeline (track, timeline);
|
|
|
|
|
|
|
|
GST_DEBUG ("Done adding track, emitting 'track-added' signal");
|
|
|
|
|
|
|
|
/* emit 'track-added' */
|
|
|
|
g_signal_emit (timeline, ges_timeline_signals[TRACK_ADDED], 0, track);
|
|
|
|
|
2010-10-20 17:00:24 +00:00
|
|
|
/* ensure that each existing timeline object has the opportunity to create a
|
|
|
|
* track object for this track*/
|
|
|
|
|
2012-04-24 00:52:45 +00:00
|
|
|
/* We connect to the object for the timeline editing mode management */
|
|
|
|
g_signal_connect (G_OBJECT (track), "track-object-added",
|
|
|
|
G_CALLBACK (track_object_added_cb), timeline);
|
|
|
|
g_signal_connect (G_OBJECT (track), "track-object-removed",
|
|
|
|
G_CALLBACK (track_object_removed_cb), timeline);
|
|
|
|
|
2012-11-11 16:51:45 +00:00
|
|
|
for (tmp = timeline->layers; tmp; tmp = tmp->next) {
|
2010-10-20 17:00:24 +00:00
|
|
|
GList *objects, *obj;
|
|
|
|
objects = ges_timeline_layer_get_objects (tmp->data);
|
|
|
|
|
|
|
|
for (obj = objects; obj; obj = obj->next) {
|
2012-12-20 23:23:54 +00:00
|
|
|
GESTimelineObject *object = obj->data;
|
|
|
|
|
|
|
|
add_object_to_tracks (timeline, object, track);
|
|
|
|
g_object_unref (object);
|
2010-10-20 17:00:24 +00:00
|
|
|
}
|
|
|
|
g_list_free (objects);
|
|
|
|
}
|
|
|
|
|
2009-08-06 15:38:43 +00:00
|
|
|
return TRUE;
|
2009-08-04 15:13:11 +00:00
|
|
|
}
|
2009-08-04 15:16:31 +00:00
|
|
|
|
2009-09-14 17:24:28 +00:00
|
|
|
/**
|
|
|
|
* ges_timeline_remove_track:
|
|
|
|
* @timeline: a #GESTimeline
|
|
|
|
* @track: the #GESTrack to remove
|
|
|
|
*
|
|
|
|
* Remove the @track from the @timeline. The reference stolen when adding the
|
|
|
|
* @track will be removed. If you wish to use the @track after calling this
|
|
|
|
* function you must ensure that you have a reference to it.
|
|
|
|
*
|
|
|
|
* Returns: TRUE if the @track was properly removed, else FALSE.
|
|
|
|
*/
|
2010-10-19 12:35:58 +00:00
|
|
|
|
|
|
|
/* FIXME: release any track objects associated with this layer. currenly this
|
|
|
|
* will not happen if you remove the track before removing *all*
|
|
|
|
* timelineobjects which have a track object in this track.
|
|
|
|
*/
|
|
|
|
|
2009-08-04 15:13:11 +00:00
|
|
|
gboolean
|
2009-08-04 15:16:31 +00:00
|
|
|
ges_timeline_remove_track (GESTimeline * timeline, GESTrack * track)
|
2009-08-04 15:13:11 +00:00
|
|
|
{
|
2009-09-08 17:44:03 +00:00
|
|
|
GList *tmp;
|
2011-01-08 10:22:36 +00:00
|
|
|
TrackPrivate *tr_priv;
|
2012-12-20 14:28:39 +00:00
|
|
|
GESTimelinePrivate *priv;
|
|
|
|
|
|
|
|
g_return_val_if_fail (GES_IS_TRACK (track), FALSE);
|
|
|
|
g_return_val_if_fail (GES_IS_TIMELINE (timeline), FALSE);
|
2009-09-08 17:44:03 +00:00
|
|
|
|
2009-08-07 14:41:23 +00:00
|
|
|
GST_DEBUG ("timeline:%p, track:%p", timeline, track);
|
|
|
|
|
2012-12-20 14:28:39 +00:00
|
|
|
priv = timeline->priv;
|
|
|
|
if (G_UNLIKELY (!(tmp = g_list_find_custom (priv->priv_tracks,
|
|
|
|
track, (GCompareFunc) custom_find_track)))) {
|
2009-08-07 14:41:23 +00:00
|
|
|
GST_WARNING ("Track doesn't belong to this timeline");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
2011-01-08 10:22:36 +00:00
|
|
|
tr_priv = tmp->data;
|
2012-12-20 14:28:39 +00:00
|
|
|
priv->priv_tracks = g_list_remove (priv->priv_tracks, tr_priv);
|
|
|
|
timeline->tracks = g_list_remove (timeline->tracks, track);
|
2009-08-07 14:41:23 +00:00
|
|
|
|
|
|
|
ges_track_set_timeline (track, NULL);
|
|
|
|
|
2009-09-08 17:44:03 +00:00
|
|
|
/* Remove ghost pad */
|
2011-01-08 10:22:36 +00:00
|
|
|
if (tr_priv->ghostpad) {
|
2009-09-08 17:44:03 +00:00
|
|
|
GST_DEBUG ("Removing ghostpad");
|
2011-01-08 10:22:36 +00:00
|
|
|
gst_pad_set_active (tr_priv->ghostpad, FALSE);
|
|
|
|
gst_ghost_pad_set_target ((GstGhostPad *) tr_priv->ghostpad, NULL);
|
|
|
|
gst_element_remove_pad (GST_ELEMENT (timeline), tr_priv->ghostpad);
|
2009-09-08 17:44:03 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Remove pad-added/-removed handlers */
|
2011-01-08 10:22:36 +00:00
|
|
|
g_signal_handlers_disconnect_by_func (track, pad_added_cb, tr_priv);
|
|
|
|
g_signal_handlers_disconnect_by_func (track, pad_removed_cb, tr_priv);
|
2012-04-24 00:52:45 +00:00
|
|
|
g_signal_handlers_disconnect_by_func (track, track_object_added_cb, timeline);
|
|
|
|
g_signal_handlers_disconnect_by_func (track, track_object_removed_cb,
|
|
|
|
timeline);
|
2009-09-08 17:44:03 +00:00
|
|
|
|
|
|
|
/* Signal track removal to all layers/objects */
|
|
|
|
g_signal_emit (timeline, ges_timeline_signals[TRACK_REMOVED], 0, track);
|
|
|
|
|
2009-08-07 14:41:23 +00:00
|
|
|
/* remove track from our bin */
|
2010-10-22 14:58:22 +00:00
|
|
|
gst_object_ref (track);
|
2009-08-07 14:41:23 +00:00
|
|
|
if (G_UNLIKELY (!gst_bin_remove (GST_BIN (timeline), GST_ELEMENT (track)))) {
|
|
|
|
GST_WARNING ("Couldn't remove track to ourself (GST)");
|
2010-10-22 14:58:22 +00:00
|
|
|
gst_object_unref (track);
|
2009-08-07 14:41:23 +00:00
|
|
|
return FALSE;
|
|
|
|
}
|
2009-08-04 15:13:11 +00:00
|
|
|
|
2010-10-22 14:58:22 +00:00
|
|
|
/* set track state to NULL */
|
|
|
|
gst_element_set_state (GST_ELEMENT (track), GST_STATE_NULL);
|
|
|
|
|
|
|
|
gst_object_unref (track);
|
|
|
|
|
2011-01-08 10:22:36 +00:00
|
|
|
g_free (tr_priv);
|
2009-08-04 15:13:11 +00:00
|
|
|
|
2009-08-07 14:41:23 +00:00
|
|
|
return TRUE;
|
2009-08-04 15:13:11 +00:00
|
|
|
}
|
2009-09-08 17:44:03 +00:00
|
|
|
|
|
|
|
/**
|
|
|
|
* ges_timeline_get_track_for_pad:
|
|
|
|
* @timeline: The #GESTimeline
|
|
|
|
* @pad: The #GstPad
|
|
|
|
*
|
|
|
|
* Search the #GESTrack corresponding to the given @timeline's @pad.
|
|
|
|
*
|
2010-12-15 18:40:11 +00:00
|
|
|
* Returns: (transfer none): The corresponding #GESTrack if it is found,
|
2011-05-09 12:24:26 +00:00
|
|
|
* or %NULL if there is an error.
|
2009-09-08 17:44:03 +00:00
|
|
|
*/
|
|
|
|
|
|
|
|
GESTrack *
|
|
|
|
ges_timeline_get_track_for_pad (GESTimeline * timeline, GstPad * pad)
|
|
|
|
{
|
|
|
|
GList *tmp;
|
|
|
|
|
2012-12-20 14:28:39 +00:00
|
|
|
for (tmp = timeline->priv->priv_tracks; tmp; tmp = g_list_next (tmp)) {
|
2011-01-08 10:22:36 +00:00
|
|
|
TrackPrivate *tr_priv = (TrackPrivate *) tmp->data;
|
|
|
|
if (pad == tr_priv->ghostpad)
|
|
|
|
return tr_priv->track;
|
2009-09-08 17:44:03 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
2010-04-20 09:48:21 +00:00
|
|
|
|
|
|
|
/**
|
|
|
|
* ges_timeline_get_tracks:
|
|
|
|
* @timeline: a #GESTimeline
|
|
|
|
*
|
|
|
|
* Returns the list of #GESTrack used by the Timeline.
|
|
|
|
*
|
2010-12-15 18:40:11 +00:00
|
|
|
* Returns: (transfer full) (element-type GESTrack): A list of #GESTrack.
|
|
|
|
* The caller should unref each track once he is done with them.
|
2010-12-08 14:36:55 +00:00
|
|
|
*/
|
2010-04-20 09:48:21 +00:00
|
|
|
GList *
|
|
|
|
ges_timeline_get_tracks (GESTimeline * timeline)
|
|
|
|
{
|
2012-12-20 14:28:39 +00:00
|
|
|
g_return_val_if_fail (GES_IS_TIMELINE (timeline), NULL);
|
2011-01-08 10:22:36 +00:00
|
|
|
|
2012-12-20 14:28:39 +00:00
|
|
|
return g_list_copy_deep (timeline->tracks, (GCopyFunc) gst_object_ref, NULL);
|
2011-01-08 10:22:36 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ges_timeline_get_layers:
|
|
|
|
* @timeline: a #GESTimeline
|
|
|
|
*
|
2011-01-10 13:28:35 +00:00
|
|
|
* Get the list of #GESTimelineLayer present in the Timeline.
|
|
|
|
*
|
2011-01-10 10:12:38 +00:00
|
|
|
* Returns: (transfer full) (element-type GESTimelineLayer): the list of
|
2011-06-03 02:03:19 +00:00
|
|
|
* #GESTimelineLayer present in the Timeline sorted by priority.
|
2011-01-08 10:22:36 +00:00
|
|
|
* The caller should unref each Layer once he is done with them.
|
|
|
|
*/
|
|
|
|
GList *
|
|
|
|
ges_timeline_get_layers (GESTimeline * timeline)
|
|
|
|
{
|
|
|
|
GList *tmp, *res = NULL;
|
|
|
|
|
2012-11-11 16:51:45 +00:00
|
|
|
for (tmp = timeline->layers; tmp; tmp = g_list_next (tmp)) {
|
2011-06-03 02:03:19 +00:00
|
|
|
res = g_list_insert_sorted (res, g_object_ref (tmp->data),
|
|
|
|
(GCompareFunc) sort_layers);
|
2010-04-20 09:48:21 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return res;
|
|
|
|
}
|
2011-08-03 00:33:10 +00:00
|
|
|
|
2012-01-23 01:50:24 +00:00
|
|
|
/**
|
|
|
|
* ges_timeline_is_updating:
|
|
|
|
* @timeline: a #GESTimeline
|
|
|
|
*
|
|
|
|
* Get whether the timeline is updated for every change happening within or not.
|
|
|
|
*
|
|
|
|
* Returns: %TRUE if @timeline is updating on every changes, else %FALSE.
|
|
|
|
*/
|
|
|
|
gboolean
|
|
|
|
ges_timeline_is_updating (GESTimeline * timeline)
|
|
|
|
{
|
|
|
|
GList *tmp;
|
|
|
|
|
|
|
|
g_return_val_if_fail (GES_IS_TIMELINE (timeline), FALSE);
|
|
|
|
|
2012-11-11 16:51:45 +00:00
|
|
|
for (tmp = timeline->tracks; tmp; tmp = tmp->next) {
|
2012-12-20 14:28:39 +00:00
|
|
|
if (!ges_track_is_updating (GES_TRACK (tmp->data)))
|
2012-01-23 01:50:24 +00:00
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
2011-08-03 00:33:10 +00:00
|
|
|
/**
|
|
|
|
* ges_timeline_enable_update:
|
2011-12-07 02:11:25 +00:00
|
|
|
* @timeline: a #GESTimeline
|
2012-01-12 15:34:13 +00:00
|
|
|
* @enabled: Whether the timeline should update on every change or not.
|
2011-08-03 00:33:10 +00:00
|
|
|
*
|
2012-01-12 15:34:13 +00:00
|
|
|
* Control whether the timeline is updated for every change happening within.
|
2011-08-03 00:33:10 +00:00
|
|
|
*
|
2012-01-12 15:34:13 +00:00
|
|
|
* Users will want to use this method with %FALSE before doing lots of changes,
|
|
|
|
* and then call again with %TRUE for the changes to take effect in one go.
|
|
|
|
*
|
|
|
|
* Returns: %TRUE if the update status could be changed, else %FALSE.
|
2011-08-03 00:33:10 +00:00
|
|
|
*/
|
|
|
|
gboolean
|
|
|
|
ges_timeline_enable_update (GESTimeline * timeline, gboolean enabled)
|
|
|
|
{
|
2012-05-18 17:16:50 +00:00
|
|
|
if (ges_timeline_enable_update_internal (timeline, enabled)) {
|
|
|
|
g_object_notify_by_pspec (G_OBJECT (timeline), properties[PROP_UPDATE]);
|
2011-12-16 08:54:58 +00:00
|
|
|
|
2012-05-18 17:16:50 +00:00
|
|
|
return TRUE;
|
2010-04-20 09:48:21 +00:00
|
|
|
}
|
|
|
|
|
2012-05-18 17:16:50 +00:00
|
|
|
return FALSE;
|
2011-08-03 00:33:10 +00:00
|
|
|
}
|
2012-04-24 00:52:45 +00:00
|
|
|
|
2012-05-18 00:49:01 +00:00
|
|
|
/**
|
2012-08-10 16:39:10 +00:00
|
|
|
* ges_timeline_get_duration:
|
2012-05-18 00:49:01 +00:00
|
|
|
* @timeline: a #GESTimeline
|
|
|
|
*
|
|
|
|
* Get the current duration of @timeline
|
|
|
|
*
|
|
|
|
* Returns: The current duration of @timeline
|
|
|
|
*/
|
|
|
|
GstClockTime
|
|
|
|
ges_timeline_get_duration (GESTimeline * timeline)
|
|
|
|
{
|
|
|
|
g_return_val_if_fail (GES_IS_TIMELINE (timeline), GST_CLOCK_TIME_NONE);
|
|
|
|
|
|
|
|
return timeline->priv->duration;
|
2010-04-20 09:48:21 +00:00
|
|
|
}
|