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7269c2b316
This way we can let the user determine what he want to come out of the track. API: - ges_track_set_caps (The track caps are now construct only) + ges_track_set_restriction_caps + ges_track_get_restriction_caps + GESTrack.props.restriction_caps
102 lines
3.7 KiB
C
102 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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#ifndef _GES_TRACK
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#define _GES_TRACK
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#include <glib-object.h>
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#include <gst/gst.h>
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#include <ges/ges-types.h>
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#include <ges/ges-enums.h>
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G_BEGIN_DECLS
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#define GES_TYPE_TRACK ges_track_get_type()
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#define GES_TRACK(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GES_TYPE_TRACK, GESTrack))
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#define GES_TRACK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GES_TYPE_TRACK, GESTrackClass))
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#define GES_IS_TRACK(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GES_TYPE_TRACK))
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#define GES_IS_TRACK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GES_TYPE_TRACK))
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#define GES_TRACK_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GES_TYPE_TRACK, GESTrackClass))
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typedef struct _GESTrackPrivate GESTrackPrivate;
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/**
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* GESCreateElementForGapFunc:
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* @track: the #GESTrack
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*
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* A function that will be called to create the #GstElement that will be used
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* as a source to fill the gaps in @track.
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*
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* Returns: A #GstElement (must be a source) that will be used to
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* fill the gaps (periods of time in @track that containes no source).
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*/
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typedef GstElement* (*GESCreateElementForGapFunc) (GESTrack *track);
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/**
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* GESTrack:
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* @type: a #GESTrackType indicting the basic type of the track.
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*/
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struct _GESTrack
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{
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GstBin parent;
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/*< public >*/
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/* READ-ONLY */
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GESTrackType type;
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/*< private >*/
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GESTrackPrivate* priv;
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/* Padding for API extension */
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gpointer _ges_reserved[GES_PADDING];
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};
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/**
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* GESTrackClass:
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*/
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struct _GESTrackClass
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{
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/*< private >*/
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GstBinClass parent_class;
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GstElement * (*get_mixing_element) (GESTrack *track);
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/* Padding for API extension */
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gpointer _ges_reserved[GES_PADDING];
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};
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const GstCaps* ges_track_get_caps (GESTrack *track);
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GList* ges_track_get_elements (GESTrack *track);
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const GESTimeline* ges_track_get_timeline (GESTrack *track);
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gboolean ges_track_commit (GESTrack *track);
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void ges_track_set_timeline (GESTrack *track, GESTimeline *timeline);
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gboolean ges_track_add_element (GESTrack *track, GESTrackElement *object);
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gboolean ges_track_remove_element (GESTrack *track, GESTrackElement *object);
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void ges_track_set_create_element_for_gap_func (GESTrack *track, GESCreateElementForGapFunc func);
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void ges_track_set_mixing (GESTrack *track, gboolean mixing);
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gboolean ges_track_get_mixing (GESTrack *track);
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void ges_track_set_restriction_caps (GESTrack *track, const GstCaps *caps);
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/* standard methods */
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GType ges_track_get_type (void);
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GESTrack* ges_track_new (GESTrackType type, GstCaps * caps);
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G_END_DECLS
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#endif /* _GES_TRACK */
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