gstreamer/ges/ges-track.h
2013-02-15 14:42:05 -03:00

129 lines
3.7 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.
*/
#ifndef _GES_TRACK
#define _GES_TRACK
#include <glib-object.h>
#include <gst/gst.h>
#include <ges/ges-types.h>
#include <ges/ges-enums.h>
G_BEGIN_DECLS
#define GES_TYPE_TRACK ges_track_get_type()
#define GES_TRACK(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GES_TYPE_TRACK, GESTrack))
#define GES_TRACK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GES_TYPE_TRACK, GESTrackClass))
#define GES_IS_TRACK(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GES_TYPE_TRACK))
#define GES_IS_TRACK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GES_TYPE_TRACK))
#define GES_TRACK_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), GES_TYPE_TRACK, GESTrackClass))
typedef struct _GESTrackPrivate GESTrackPrivate;
/**
* GESCreateElementForGapFunc:
* @track: the #GESTrack
*
* A function that will be called to create the #GstElement that will be used
* as a source to fill the gaps in @track.
*
* Returns: A #GstElement (must be a source) that will be used to
* fill the gaps (periods of time in @track that containes no source).
*/
typedef GstElement* (*GESCreateElementForGapFunc) (GESTrack *track);
/**
* GESTrack:
* @type: a #GESTrackType indicting the basic type of the track.
*
*/
struct _GESTrack {
GstBin parent;
/*< public >*/
/* READ-ONLY */
GESTrackType type;
/*< private >*/
GESTrackPrivate * priv;
/* Padding for API extension */
gpointer _ges_reserved[GES_PADDING];
};
/**
* GESTrackClass:
*/
struct _GESTrackClass {
/*< private >*/
GstBinClass parent_class;
/* Padding for API extension */
gpointer _ges_reserved[GES_PADDING];
};
GType ges_track_get_type (void);
GESTrack* ges_track_new (GESTrackType type, GstCaps * caps);
void ges_track_set_timeline (GESTrack * track,
GESTimeline *timeline);
void ges_track_set_caps (GESTrack * track,
const GstCaps * caps);
const GstCaps * ges_track_get_caps (GESTrack *track);
const GESTimeline *ges_track_get_timeline (GESTrack *track);
gboolean ges_track_add_object (GESTrack * track,
GESTrackElement * object);
gboolean ges_track_remove_object (GESTrack * track,
GESTrackElement * object);
GESTrack *ges_track_video_raw_new (void);
GESTrack *ges_track_audio_raw_new (void);
gboolean ges_track_enable_update (GESTrack * track, gboolean enabled);
gboolean ges_track_is_updating (GESTrack * track);
GList* ges_track_get_objects (GESTrack *track);
void
ges_track_set_create_element_for_gap_func (GESTrack *track,
GESCreateElementForGapFunc func);
G_END_DECLS
#endif /* _GES_TRACK */