gstreamer/ges/ges-timeline.h

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/* GStreamer Editing Services
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* Copyright (C) 2009 Edward Hervey <edward.hervey@collabora.co.uk>
* 2009 Nokia Corporation
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*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef _GES_TIMELINE
#define _GES_TIMELINE
#include <glib-object.h>
#include <gst/gst.h>
#include <gst/pbutils/gstdiscoverer.h>
#include <ges/ges-types.h>
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G_BEGIN_DECLS
#define GES_TYPE_TIMELINE ges_timeline_get_type()
#define GES_TIMELINE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GES_TYPE_TIMELINE, GESTimeline))
#define GES_TIMELINE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GES_TYPE_TIMELINE, GESTimelineClass))
#define GES_IS_TIMELINE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GES_TYPE_TIMELINE))
#define GES_IS_TIMELINE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GES_TYPE_TIMELINE))
#define GES_TIMELINE_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), GES_TYPE_TIMELINE, GESTimelineClass))
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/**
* GESTimeline:
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*
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*/
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struct _GESTimeline {
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GstBin parent;
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/*< private >*/
GList *layers; /* A list of GESTimelineLayer sorted by priority */
GList *tracks; /* A list of private track data */
/* discoverer used for virgin sources */
GstDiscoverer *discoverer;
/* Objects that are being discovered FIXME : LOCK ! */
GList *pendingobjects;
/* Whether we are changing state asynchronously or not */
gboolean async_pending;
/* Padding for API extension */
gpointer _ges_reserved[GES_PADDING];
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};
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/**
* GESTimelineClass:
* @parent_class: parent class
*/
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struct _GESTimelineClass {
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GstBinClass parent_class;
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/*< private >*/
void (*track_added) (GESTimeline *timeline, GESTrack * track);
void (*track_removed) (GESTimeline *timeline, GESTrack * track);
void (*layer_added) (GESTimeline *timeline, GESTimelineLayer *layer);
void (*layer_removed) (GESTimeline *timeline, GESTimelineLayer *layer);
/* Padding for API extension */
gpointer _ges_reserved[GES_PADDING];
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};
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GType ges_timeline_get_type (void);
GESTimeline* ges_timeline_new (void);
GESTimeline* ges_timeline_new_from_uri (gchar *uri);
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gboolean ges_timeline_load_from_uri (GESTimeline *timeline, gchar *uri);
gboolean ges_timeline_save_to_uri (GESTimeline *timeline, gchar *uri);
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gboolean ges_timeline_add_layer (GESTimeline *timeline, GESTimelineLayer *layer);
gboolean ges_timeline_remove_layer (GESTimeline *timeline, GESTimelineLayer *layer);
gboolean ges_timeline_add_track (GESTimeline *timeline, GESTrack *track);
gboolean ges_timeline_remove_track (GESTimeline *timeline, GESTrack *track);
GESTrack * ges_timeline_get_track_for_pad (GESTimeline *timeline, GstPad *pad);
GList *ges_timeline_get_tracks (GESTimeline *timeline);
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G_END_DECLS
#endif /* _GES_TIMELINE */