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