219 lines
7.0 KiB
C
219 lines
7.0 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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#pragma once
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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-clip.h>
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#include <ges/ges-track.h>
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#include <gst/controller/gstdirectcontrolbinding.h>
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#include <gst/controller/gstinterpolationcontrolsource.h>
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G_BEGIN_DECLS
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#define GES_TYPE_TRACK_ELEMENT ges_track_element_get_type()
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GES_DECLARE_TYPE(TrackElement, track_element, TRACK_ELEMENT)
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/**
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* GES_TRACK_ELEMENT_CLASS_DEFAULT_HAS_INTERNAL_SOURCE:
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* @klass: A #GESTrackElementClass
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*
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* What the default #GESTrackElement:has-internal-source value should be
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* for new elements from this class.
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*/
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#define GES_TRACK_ELEMENT_CLASS_DEFAULT_HAS_INTERNAL_SOURCE(klass) \
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((GES_TRACK_ELEMENT_CLASS (klass))->ABI.abi.default_has_internal_source)
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/**
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* GESTrackElement:
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*
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* The #GESTrackElement base class.
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*/
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struct _GESTrackElement {
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GESTimelineElement parent;
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/*< private >*/
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gboolean active;
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GESTrackElementPrivate *priv;
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GESAsset *asset;
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/* Padding for API extension */
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gpointer _ges_reserved[GES_PADDING_LARGE];
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};
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/**
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* GESTrackElementClass:
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*/
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struct _GESTrackElementClass {
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/*< private >*/
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GESTimelineElementClass parent_class;
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/*< public >*/
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/**
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* GESTrackElementClass::nleobject_factorytype:
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*
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* The name of the #GstElementFactory to use to create the underlying
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* nleobject of a track element
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*/
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const gchar *nleobject_factorytype;
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/**
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* GESTrackElementClass::create_gnl_object:
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* @object: The #GESTrackElement
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*
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* Returns: (transfer floating): the #NLEObject to use in the #nlecomposition
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*/
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GstElement* (*create_gnl_object) (GESTrackElement * object);
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/**
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* GESTrackElementClass::create_element:
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* @object: The #GESTrackElement
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*
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* Returns: (transfer floating): the #GstElement that the underlying nleobject
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* controls.
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*/
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GstElement* (*create_element) (GESTrackElement * object);
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/**
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* GESTrackElementClass::active_changed:
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* @object: A #GESTrackElement
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* @active: Whether the element is active or not inside the #nlecomposition
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*
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* Notify when the #GESTrackElement:active property changes
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*/
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void (*active_changed) (GESTrackElement *object, gboolean active);
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/*< private >*/
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/* signals (currently unused) */
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/**
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* GESTrackElementClass::changed:
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*
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* Deprecated:
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*/
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void (*changed) (GESTrackElement * object);
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/**
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* GESTrackElementClass::list_children_properties:
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*
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* Listing children properties is handled by
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* ges_timeline_element_list_children_properties() instead.
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*
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* Deprecated: 1.14: Use #GESTimelineElementClass::list_children_properties
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* instead
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*/
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GParamSpec** (*list_children_properties) (GESTrackElement * object,
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guint *n_properties);
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/**
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* GESTrackElementClass::lookup_child:
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*
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* Deprecated: 1.14: Use #GESTimelineElementClass::lookup_child
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* instead
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*/
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gboolean (*lookup_child) (GESTrackElement *object,
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const gchar *prop_name,
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GstElement **element,
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GParamSpec **pspec);
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/*< protected >*/
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union {
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gpointer _ges_reserved[GES_PADDING_LARGE];
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struct {
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gboolean default_has_internal_source;
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GESTrackType default_track_type;
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} abi;
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} ABI;
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};
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GES_API
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GESTrack* ges_track_element_get_track (GESTrackElement * object);
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GES_API
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GESTrackType ges_track_element_get_track_type (GESTrackElement * object);
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GES_API
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void ges_track_element_set_track_type (GESTrackElement * object,
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GESTrackType type);
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GES_API
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GstElement * ges_track_element_get_nleobject (GESTrackElement * object);
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GES_API
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GstElement * ges_track_element_get_element (GESTrackElement * object);
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GES_API
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gboolean ges_track_element_is_core (GESTrackElement * object);
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GES_API
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gboolean ges_track_element_set_active (GESTrackElement * object,
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gboolean active);
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GES_API
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gboolean ges_track_element_is_active (GESTrackElement * object);
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GES_API gboolean
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ges_track_element_set_has_internal_source (GESTrackElement * object,
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gboolean has_internal_source);
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GES_API
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gboolean ges_track_element_has_internal_source (GESTrackElement * object);
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GES_API void
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ges_track_element_get_child_property_by_pspec (GESTrackElement * object,
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GParamSpec * pspec,
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GValue * value);
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GES_API gboolean
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ges_track_element_set_control_source (GESTrackElement *object,
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GstControlSource *source,
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const gchar *property_name,
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const gchar *binding_type);
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GES_API void
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ges_track_element_clamp_control_source (GESTrackElement * object,
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const gchar * property_name);
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GES_API void
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ges_track_element_set_auto_clamp_control_sources (GESTrackElement * object,
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gboolean auto_clamp);
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GES_API gboolean
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ges_track_element_get_auto_clamp_control_sources (GESTrackElement * object);
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GES_API GstControlBinding *
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ges_track_element_get_control_binding (GESTrackElement *object,
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const gchar *property_name);
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GES_API void
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ges_track_element_add_children_props (GESTrackElement *self,
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GstElement *element,
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const gchar ** wanted_categories,
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const gchar **blacklist,
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const gchar **whitelist);
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GES_API GHashTable *
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ges_track_element_get_all_control_bindings (GESTrackElement * trackelement);
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GES_API gboolean
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ges_track_element_remove_control_binding (GESTrackElement * object,
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const gchar * property_name);
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#include "ges-track-element-deprecated.h"
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G_END_DECLS
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