gstreamer/ges/ges-source-clip.c
Thibault Saunier c901e4289a clip: Rollback moving clips when moving a contained TrackElement fails
And fix unit tests to match the correct behaviour
2019-03-15 23:51:55 +00:00

134 lines
3.9 KiB
C

/* GStreamer Editing Services
* Copyright (C) 2009 Edward Hervey <edward.hervey@collabora.co.uk>
* 2009 Nokia Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/**
* SECTION:gessourceclip
* @title: GESSourceClip
* @short_description: Base Class for sources of a GESLayer
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "ges-internal.h"
#include "ges-clip.h"
#include "ges-source-clip.h"
#include "ges-source.h"
struct _GESSourceClipPrivate
{
/* dummy variable */
void *nothing;
};
enum
{
PROP_0,
};
G_DEFINE_TYPE_WITH_PRIVATE (GESSourceClip, ges_source_clip, GES_TYPE_CLIP);
static gboolean
_set_start (GESTimelineElement * element, GstClockTime start)
{
GList *tmp;
GESTimeline *timeline;
GESContainer *container = GES_CONTAINER (element);
GstClockTime rollback_start = GES_TIMELINE_ELEMENT_START (element);
GST_DEBUG_OBJECT (element, "Setting children start, (initiated_move: %"
GST_PTR_FORMAT ")", container->initiated_move);
element->start = start;
g_object_notify (G_OBJECT (element), "start");
container->children_control_mode = GES_CHILDREN_IGNORE_NOTIFIES;
for (tmp = container->children; tmp; tmp = g_list_next (tmp)) {
GESTimelineElement *child = (GESTimelineElement *) tmp->data;
if (child != container->initiated_move) {
/* Make the snapping happen if in a timeline */
timeline = GES_TIMELINE_ELEMENT_TIMELINE (child);
if (timeline && !container->initiated_move) {
if (!ges_timeline_move_object_simple (timeline, child, NULL,
GES_EDGE_NONE, start)) {
for (tmp = container->children; tmp; tmp = g_list_next (tmp))
ges_timeline_element_set_start (tmp->data, rollback_start);
element->start = rollback_start;
g_object_notify (G_OBJECT (element), "start");
container->children_control_mode = GES_CHILDREN_UPDATE;
return FALSE;
}
}
_set_start0 (GES_TIMELINE_ELEMENT (child), start);
}
}
container->children_control_mode = GES_CHILDREN_UPDATE;
return FALSE;
}
static void
ges_source_clip_get_property (GObject * object, guint property_id,
GValue * value, GParamSpec * pspec)
{
switch (property_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
ges_source_clip_set_property (GObject * object, guint property_id,
const GValue * value, GParamSpec * pspec)
{
switch (property_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
ges_source_clip_finalize (GObject * object)
{
G_OBJECT_CLASS (ges_source_clip_parent_class)->finalize (object);
}
static void
ges_source_clip_class_init (GESSourceClipClass * klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GESTimelineElementClass *element_class = GES_TIMELINE_ELEMENT_CLASS (klass);
object_class->get_property = ges_source_clip_get_property;
object_class->set_property = ges_source_clip_set_property;
object_class->finalize = ges_source_clip_finalize;
element_class->set_start = _set_start;
}
static void
ges_source_clip_init (GESSourceClip * self)
{
self->priv = ges_source_clip_get_instance_private (self);
}