gstreamer/subprojects/gst-editing-services/ges/ges-track.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
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include <glib-object.h>
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#include <gst/gst.h>
#include <ges/ges-types.h>
#include <ges/ges-enums.h>
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G_BEGIN_DECLS
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#define GES_TYPE_TRACK ges_track_get_type()
GES_DECLARE_TYPE(Track, track, TRACK);
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/**
* GESCreateElementForGapFunc:
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* @track: The #GESTrack
*
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* A function that creates a #GstElement that can be used as a source to
* fill the gaps of the track. A gap is a timeline region where the track
* has no #GESTrackElement sources.
*
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* Returns: A source #GstElement to fill gaps in @track.
*/
typedef GstElement* (*GESCreateElementForGapFunc) (GESTrack *track);
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/**
* GESTrack:
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* @type: The #GESTrack:track-type of the track
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*/
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struct _GESTrack
{
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GstBin parent;
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/*< public >*/
/* READ-ONLY */
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GESTrackType type;
/*< private >*/
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GESTrackPrivate* priv;
/* Padding for API extension */
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gpointer _ges_reserved[GES_PADDING];
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};
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/**
* GESTrackClass:
*/
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struct _GESTrackClass
{
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/*< private >*/
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GstBinClass parent_class;
GstElement * (*get_mixing_element) (GESTrack *track);
/* Padding for API extension */
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gpointer _ges_reserved[GES_PADDING];
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};
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GES_API
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const GstCaps* ges_track_get_caps (GESTrack *track);
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GES_API
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GList* ges_track_get_elements (GESTrack *track);
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GES_API
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const GESTimeline* ges_track_get_timeline (GESTrack *track);
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GES_API
gboolean ges_track_commit (GESTrack *track);
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GES_API
void ges_track_set_timeline (GESTrack *track,
GESTimeline *timeline);
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GES_API
gboolean ges_track_add_element (GESTrack *track,
GESTrackElement *object);
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GES_API
gboolean ges_track_add_element_full (GESTrack *track,
GESTrackElement *object,
GError ** error);
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GES_API
gboolean ges_track_remove_element (GESTrack *track,
GESTrackElement *object);
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GES_API
gboolean ges_track_remove_element_full (GESTrack *track,
GESTrackElement *object,
GError ** error);
GES_API
void ges_track_set_create_element_for_gap_func (GESTrack *track,
GESCreateElementForGapFunc func);
GES_API
void ges_track_set_mixing (GESTrack *track,
gboolean mixing);
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GES_API
gboolean ges_track_get_mixing (GESTrack *track);
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GES_API
void ges_track_set_restriction_caps (GESTrack *track,
const GstCaps *caps);
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GES_API
void ges_track_update_restriction_caps (GESTrack *track,
const GstCaps *caps);
GES_API
GstCaps * ges_track_get_restriction_caps (GESTrack * track);
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GES_API
GESTrack* ges_track_new (GESTrackType type,
GstCaps * caps);
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G_END_DECLS