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a46390ff56
This is implemented on top of a Tree that represents the whole timeline. SourceClips can not fully overlap anymore and the tests have been updated to take that into account. Some new tests were added to verify that behaviour in greater details
133 lines
3.7 KiB
C
133 lines
3.7 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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GESTimelineElement *toplevel =
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ges_timeline_element_get_toplevel_parent (element);
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gst_object_unref (toplevel);
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if (element->timeline
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&& !ELEMENT_FLAG_IS_SET (element, GES_TIMELINE_ELEMENT_SET_SIMPLE)
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&& !ELEMENT_FLAG_IS_SET (toplevel, GES_TIMELINE_ELEMENT_SET_SIMPLE)) {
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ges_timeline_move_object_simple (element->timeline, element, NULL,
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GES_EDGE_NONE, start);
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return FALSE;
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}
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return
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GES_TIMELINE_ELEMENT_CLASS (ges_source_clip_parent_class)->set_start
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(element, start);
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}
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static gboolean
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_set_duration (GESTimelineElement * element, GstClockTime duration)
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{
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GESTimelineElement *toplevel =
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ges_timeline_element_get_toplevel_parent (element);
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gst_object_unref (toplevel);
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if (element->timeline
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&& !ELEMENT_FLAG_IS_SET (element, GES_TIMELINE_ELEMENT_SET_SIMPLE)
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&& !ELEMENT_FLAG_IS_SET (toplevel, GES_TIMELINE_ELEMENT_SET_SIMPLE)) {
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return !timeline_trim_object (element->timeline, element,
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GES_TIMELINE_ELEMENT_LAYER_PRIORITY (element), NULL, GES_EDGE_END,
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element->start + duration);
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}
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return
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GES_TIMELINE_ELEMENT_CLASS (ges_source_clip_parent_class)->set_duration
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(element, duration);
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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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element_class->set_duration = _set_duration;
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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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