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d00283f309
Most of the time the user should not create GESTrackElements himself, instead he should add a GESAsset to a layer, that will result in a clip creation and the proper TrackElements to be created and added to the tracks. The case of effects and overlays is a bit different as the user should create the TrackElement and add them to a clip.
307 lines
16 KiB
C
307 lines
16 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_INTERNAL_H__
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#define __GES_INTERNAL_H__
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#include <gst/gst.h>
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#include <gio/gio.h>
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#include "ges-timeline.h"
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#include "ges-track-element.h"
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#include "ges-timeline-element.h"
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#include "ges-asset.h"
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#include "ges-base-xml-formatter.h"
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GST_DEBUG_CATEGORY_EXTERN (_ges_debug);
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#define GST_CAT_DEFAULT _ges_debug
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/* The first 2 GNL priorities are used for:
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* 0- The Mixing element
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* 1- The Gaps
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*/
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#define MIN_GNL_PRIO 2
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#define LAYER_HEIGHT 1000
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#define _START(obj) GES_TIMELINE_ELEMENT_START (obj)
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#define _INPOINT(obj) GES_TIMELINE_ELEMENT_INPOINT (obj)
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#define _DURATION(obj) GES_TIMELINE_ELEMENT_DURATION (obj)
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#define _MAXDURATION(obj) GES_TIMELINE_ELEMENT_MAX_DURATION (obj)
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#define _PRIORITY(obj) GES_TIMELINE_ELEMENT_PRIORITY (obj)
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#define _END(obj) (_START (obj) + _DURATION (obj))
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#define _set_start0 ges_timeline_element_set_start
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#define _set_inpoint0 ges_timeline_element_set_inpoint
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#define _set_duration0 ges_timeline_element_set_duration
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#define _set_priority0 ges_timeline_element_set_priority
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G_GNUC_INTERNAL gboolean
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timeline_ripple_object (GESTimeline *timeline, GESTrackElement *obj,
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GList * layers, GESEdge edge,
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guint64 position);
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G_GNUC_INTERNAL gboolean
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timeline_slide_object (GESTimeline *timeline, GESTrackElement *obj,
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GList * layers, GESEdge edge, guint64 position);
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G_GNUC_INTERNAL gboolean
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timeline_roll_object (GESTimeline *timeline, GESTrackElement *obj,
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GList * layers, GESEdge edge, guint64 position);
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G_GNUC_INTERNAL gboolean
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timeline_trim_object (GESTimeline *timeline, GESTrackElement * object,
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GList * layers, GESEdge edge, guint64 position);
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G_GNUC_INTERNAL gboolean
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ges_timeline_trim_object_simple (GESTimeline * timeline, GESTimelineElement * obj,
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GList * layers, GESEdge edge, guint64 position, gboolean snapping);
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G_GNUC_INTERNAL gboolean
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ges_timeline_move_object_simple (GESTimeline * timeline, GESTimelineElement * object,
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GList * layers, GESEdge edge, guint64 position);
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G_GNUC_INTERNAL gboolean
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timeline_move_object (GESTimeline *timeline, GESTrackElement * object,
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GList * layers, GESEdge edge, guint64 position);
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G_GNUC_INTERNAL gboolean
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timeline_context_to_layer (GESTimeline *timeline, gint offset);
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G_GNUC_INTERNAL void
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timeline_add_group (GESTimeline *timeline,
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GESGroup *group);
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G_GNUC_INTERNAL
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void
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timeline_remove_group (GESTimeline *timeline,
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GESGroup *group);
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G_GNUC_INTERNAL void
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ges_asset_cache_init (void);
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G_GNUC_INTERNAL void
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ges_asset_set_id (GESAsset *asset, const gchar *id);
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G_GNUC_INTERNAL void
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ges_asset_cache_put (GESAsset * asset, GSimpleAsyncResult *res);
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G_GNUC_INTERNAL gboolean
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ges_asset_cache_set_loaded(GType extractable_type, const gchar * id, GError *error);
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G_GNUC_INTERNAL GHashTable *
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ges_track_element_get_bindings_hashtable(GESTrackElement *element);
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GESAsset*
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ges_asset_cache_lookup(GType extractable_type, const gchar * id);
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gboolean
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ges_asset_set_proxy (GESAsset *asset, const gchar *new_id);
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G_GNUC_INTERNAL gboolean
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ges_asset_request_id_update (GESAsset *asset, gchar **proposed_id,
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GError *error);
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/* GESExtractable internall methods
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*
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* FIXME Check if that should be public later
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*/
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G_GNUC_INTERNAL GType
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ges_extractable_type_get_asset_type (GType type);
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G_GNUC_INTERNAL gchar *
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ges_extractable_type_check_id (GType type, const gchar *id, GError **error);
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G_GNUC_INTERNAL GParameter *
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ges_extractable_type_get_parameters_from_id (GType type, const gchar *id,
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guint *n_params);
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G_GNUC_INTERNAL GType
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ges_extractable_get_real_extractable_type_for_id (GType type, const gchar * id);
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G_GNUC_INTERNAL gboolean
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ges_extractable_register_metas (GType extractable_type, GESAsset *asset);
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/************************************************
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* *
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* GESFormatter internal methods *
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* *
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************************************************/
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G_GNUC_INTERNAL void
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ges_formatter_set_project (GESFormatter *formatter,
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GESProject *project);
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G_GNUC_INTERNAL GESProject *
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ges_formatter_get_project (GESFormatter *formatter);
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G_GNUC_INTERNAL GESAsset *
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_find_formatter_asset_for_uri (const gchar *uri);
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/************************************************
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* *
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* GESProject internal methods *
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* *
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************************************************/
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/* FIXME This should probably become public, but we need to make sure it
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* is the right API before doing so */
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G_GNUC_INTERNAL gboolean ges_project_set_loaded (GESProject * project,
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GESFormatter *formatter);
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G_GNUC_INTERNAL gchar * ges_project_try_updating_id (GESProject *self,
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GESAsset *asset,
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GError *error);
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G_GNUC_INTERNAL void ges_project_add_loading_asset (GESProject *project,
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GType extractable_type,
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const gchar *id);
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/************************************************
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* *
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* GESBaseXmlFormatter internal methods *
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* *
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************************************************/
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/* FIXME GESBaseXmlFormatter is all internal for now, the API is not stable
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* fo now, so do not expose it */
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G_GNUC_INTERNAL void ges_base_xml_formatter_add_clip (GESBaseXmlFormatter * self,
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const gchar *id,
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const char *asset_id,
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GType type,
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GstClockTime start,
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GstClockTime inpoint,
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GstClockTime duration,
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guint layer_prio,
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GESTrackType track_types,
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GstStructure *properties,
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const gchar *metadatas,
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GError **error);
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G_GNUC_INTERNAL void ges_base_xml_formatter_add_asset (GESBaseXmlFormatter * self,
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const gchar * id,
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GType extractable_type,
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GstStructure *properties,
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const gchar *metadatas,
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GError **error);
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G_GNUC_INTERNAL void ges_base_xml_formatter_add_layer (GESBaseXmlFormatter *self,
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GType extractable_type,
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guint priority,
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GstStructure *properties,
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const gchar *metadatas,
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GError **error);
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G_GNUC_INTERNAL void ges_base_xml_formatter_add_track (GESBaseXmlFormatter *self,
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GESTrackType track_type,
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GstCaps *caps,
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const gchar *id,
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GstStructure *properties,
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const gchar *metadatas,
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GError **error);
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void ges_base_xml_formatter_add_encoding_profile (GESBaseXmlFormatter * self,
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const gchar *type,
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const gchar *parent,
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const gchar * name,
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const gchar * description,
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GstCaps * format,
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const gchar * preset,
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const gchar * preset_name,
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guint id,
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guint presence,
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GstCaps * restriction,
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guint pass,
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gboolean variableframerate,
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GstStructure * properties,
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GError ** error);
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G_GNUC_INTERNAL void ges_base_xml_formatter_add_track_element (GESBaseXmlFormatter *self,
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GType effect_type,
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const gchar *asset_id,
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const gchar * track_id,
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const gchar *timeline_obj_id,
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GstStructure *children_properties,
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GstStructure *properties,
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const gchar *metadatas,
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GError **error);
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G_GNUC_INTERNAL void ges_base_xml_formatter_add_control_binding (GESBaseXmlFormatter * self,
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const gchar * binding_type,
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const gchar * source_type,
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const gchar * property_name,
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gint mode,
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const gchar *track_id,
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GSList * timed_values);
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G_GNUC_INTERNAL void set_property_foreach (GQuark field_id,
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const GValue * value,
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GObject * object);;
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/* Function to initialise GES */
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G_GNUC_INTERNAL void _init_standard_transition_assets (void);
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G_GNUC_INTERNAL void _init_formatter_assets (void);
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/* Utilities */
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G_GNUC_INTERNAL gint element_start_compare (GESTimelineElement * a,
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GESTimelineElement * b);
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G_GNUC_INTERNAL gint element_end_compare (GESTimelineElement * a,
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GESTimelineElement * b);
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void
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ges_base_xml_formatter_set_timeline_properties(GESBaseXmlFormatter * self,
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GESTimeline *timeline,
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const gchar *properties,
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const gchar *metadatas);
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/****************************************************
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* GESContainer *
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****************************************************/
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G_GNUC_INTERNAL void _ges_container_sort_children (GESContainer *container);
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G_GNUC_INTERNAL void _ges_container_sort_children_by_end (GESContainer *container);
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/****************************************************
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* GESClip *
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****************************************************/
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void ges_clip_set_layer (GESClip *clip, GESLayer *layer);
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gboolean ges_clip_is_moving_from_layer (GESClip *clip);
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guint32 ges_clip_get_layer_priority (GESClip *clip);
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void ges_clip_set_moving_from_layer (GESClip *clip, gboolean is_moving);
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GESTrackElement* ges_clip_create_track_element (GESClip *clip, GESTrackType type);
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GList* ges_clip_create_track_elements (GESClip *clip, GESTrackType type);
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/****************************************************
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* GESTrackElement *
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****************************************************/
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#define GNL_OBJECT_TRACK_ELEMENT_QUARK (g_quark_from_string ("gnl_object_track_element_quark"))
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G_GNUC_INTERNAL gboolean ges_track_element_set_track (GESTrackElement * object, GESTrack * track);
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G_GNUC_INTERNAL guint32 _ges_track_element_get_layer_priority (GESTrackElement * element);
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G_GNUC_INTERNAL void ges_track_element_copy_properties (GESTimelineElement * element,
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GESTimelineElement * elementcopy);
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G_GNUC_INTERNAL void ges_track_element_split_bindings (GESTrackElement *element,
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GESTrackElement *new_element,
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guint64 position);
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G_GNUC_INTERNAL GstElement *ges_source_create_topbin (const gchar * bin_name, GstElement * sub_element, ...);
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G_GNUC_INTERNAL void ges_track_set_caps (GESTrack *track, const GstCaps *caps);
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/*********************************************
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* GESTrackElement subclasses contructores *
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********************************************/
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G_GNUC_INTERNAL GESAudioTestSource * ges_audio_test_source_new (void);
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G_GNUC_INTERNAL GESAudioUriSource * ges_audio_uri_source_new (gchar *uri);
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G_GNUC_INTERNAL GESVideoUriSource * ges_video_uri_source_new (gchar *uri);
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G_GNUC_INTERNAL GESImageSource * ges_image_source_new (gchar *uri);
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G_GNUC_INTERNAL GESTitleSource * ges_title_source_new (void);
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G_GNUC_INTERNAL GESVideoTestSource * ges_video_test_source_new (void);
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#endif /* __GES_INTERNAL_H__ */
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