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135 lines
4.7 KiB
C
135 lines
4.7 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_TIMELINE
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#define _GES_TIMELINE
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#include <glib-object.h>
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#include <gst/gst.h>
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#include <gst/pbutils/gstdiscoverer.h>
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#include <ges/ges-types.h>
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G_BEGIN_DECLS
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#define GES_TYPE_TIMELINE ges_timeline_get_type()
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#define GES_TIMELINE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), GES_TYPE_TIMELINE, GESTimeline))
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#define GES_TIMELINE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), GES_TYPE_TIMELINE, GESTimelineClass))
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#define GES_IS_TIMELINE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GES_TYPE_TIMELINE))
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#define GES_IS_TIMELINE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GES_TYPE_TIMELINE))
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#define GES_TIMELINE_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj), GES_TYPE_TIMELINE, GESTimelineClass))
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#define GES_TIMELINE_GET_TRACKS(obj) (GES_TIMELINE (obj)->tracks)
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#define GES_TIMELINE_GET_LAYERS(obj) (GES_TIMELINE (obj)->layers)
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/**
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* ges_timeline_get_project:
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* @obj: The #GESTimeline from which to retrieve the project
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*
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* Helper macro to retrieve the project from which a #GESTimeline as been extracted
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*/
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#define ges_timeline_get_project(obj) (GES_PROJECT (ges_extractable_get_asset (GES_EXTRACTABLE(obj))))
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typedef struct _GESTimelinePrivate GESTimelinePrivate;
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/**
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* GESTimeline:
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* @layers: (element-type GES.Layer): A list of #GESLayer sorted by priority NOTE: Do not modify.
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* @tracks: (element-type GES.Track): A list of #GESTrack sorted by priority NOTE: Do not modify.
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*/
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struct _GESTimeline {
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GstBin parent;
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/*< public > */
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/* <readonly> */
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GList *layers;
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GList *tracks;
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/*< private >*/
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GESTimelinePrivate *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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* GESTimelineClass:
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* @parent_class: parent class
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*/
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struct _GESTimelineClass {
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GstBinClass parent_class;
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/*< private >*/
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void (*track_added) (GESTimeline *timeline, GESTrack * track);
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void (*track_removed) (GESTimeline *timeline, GESTrack * track);
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void (*layer_added) (GESTimeline *timeline, GESLayer *layer);
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void (*layer_removed) (GESTimeline *timeline, GESLayer *layer);
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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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GType ges_timeline_get_type (void);
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GESTimeline* ges_timeline_new (void);
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GESTimeline* ges_timeline_new_from_uri (const gchar *uri, GError **error);
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gboolean ges_timeline_load_from_uri (GESTimeline *timeline, const gchar *uri, GError **error);
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gboolean ges_timeline_save_to_uri (GESTimeline * timeline, const gchar * uri,
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GESAsset *formatter_asset, gboolean overwrite, GError ** error);
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gboolean ges_timeline_add_layer (GESTimeline *timeline, GESLayer *layer);
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GESLayer * ges_timeline_append_layer (GESTimeline * timeline);
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gboolean ges_timeline_remove_layer (GESTimeline *timeline, GESLayer *layer);
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GList* ges_timeline_get_layers (GESTimeline *timeline);
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GESLayer* ges_timeline_get_layer (GESTimeline *timeline, guint priority);
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gboolean ges_timeline_add_track (GESTimeline *timeline, GESTrack *track);
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gboolean ges_timeline_remove_track (GESTimeline *timeline, GESTrack *track);
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GESTrack * ges_timeline_get_track_for_pad (GESTimeline *timeline, GstPad *pad);
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GstPad * ges_timeline_get_pad_for_track (GESTimeline * timeline, GESTrack *track);
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GList *ges_timeline_get_tracks (GESTimeline *timeline);
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gboolean ges_timeline_commit (GESTimeline * timeline);
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GstClockTime ges_timeline_get_duration (GESTimeline *timeline);
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gboolean ges_timeline_get_auto_transition (GESTimeline * timeline);
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void ges_timeline_set_auto_transition (GESTimeline * timeline, gboolean auto_transition);
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GstClockTime ges_timeline_get_snapping_distance (GESTimeline * timeline);
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void ges_timeline_set_snapping_distance (GESTimeline * timeline, GstClockTime snapping_distance);
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GESTimelineElement * ges_timeline_get_element (GESTimeline * timeline, const gchar *name);
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gboolean ges_timeline_is_empty (GESTimeline * timeline);
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G_END_DECLS
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#endif /* _GES_TIMELINE */
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