/* GStreamer Editing Services * Copyright (C) 2009 Edward Hervey * 2009 Nokia Corporation * * 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 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifndef _GES_TRACK_ELEMENT #define _GES_TRACK_ELEMENT #include #include #include #include #include G_BEGIN_DECLS #define GES_TYPE_TRACK_ELEMENT ges_track_element_get_type() #define GES_TRACK_ELEMENT(obj) \ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GES_TYPE_TRACK_ELEMENT, GESTrackElement)) #define GES_TRACK_ELEMENT_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST ((klass), GES_TYPE_TRACK_ELEMENT, GESTrackElementClass)) #define GES_IS_TRACK_ELEMENT(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GES_TYPE_TRACK_ELEMENT)) #define GES_IS_TRACK_ELEMENT_CLASS(klass) \ (G_TYPE_CHECK_CLASS_TYPE ((klass), GES_TYPE_TRACK_ELEMENT)) #define GES_TRACK_ELEMENT_GET_CLASS(obj) \ (G_TYPE_INSTANCE_GET_CLASS ((obj), GES_TYPE_TRACK_ELEMENT, GESTrackElementClass)) typedef struct _GESTrackElementPrivate GESTrackElementPrivate; /** * GESTrackElement: * * The GESTrackElement base class. */ struct _GESTrackElement { GESTimelineElement parent; /*< private >*/ gboolean active; GESTrackElementPrivate *priv; GESAsset *asset; /* Padding for API extension */ gpointer _ges_reserved[GES_PADDING_LARGE]; }; /** * GESTrackElementClass: * @gnlobject_factorytype: name of the GNonLin GStElementFactory type to use. * @create_gnl_object: method to create the GNonLin container object. * @create_element: method to return the GstElement to put in the gnlobject. * @duration_changed: duration property glnobject has changed * @active_changed: active property of gnlobject has changed * @get_props_hastable: method to list children properties that user could like * to configure. Since: 0.10.2 * @list_children_properties: method to get children properties that user could * like to configure. * The default implementation will create an object * of type @gnlobject_factorytype and call * @create_element. Since: 0.10.2 * * Subclasses can override the @create_gnl_object method to override what type * of GNonLin object will be created. */ struct _GESTrackElementClass { /*< private >*/ GESTimelineElementClass parent_class; /*< public >*/ /* virtual methods for subclasses */ const gchar *gnlobject_factorytype; GstElement* (*create_gnl_object) (GESTrackElement * object); GstElement* (*create_element) (GESTrackElement * object); void (*duration_changed) (GESTrackElement *object, guint64 duration); void (*active_changed) (GESTrackElement *object, gboolean active); /*< private >*/ /* signals (currently unused) */ void (*changed) (GESTrackElement * object); /*< public >*/ /* virtual methods for subclasses */ GHashTable* (*get_props_hastable) (GESTrackElement * object); GParamSpec** (*list_children_properties) (GESTrackElement * object, guint *n_properties); /*< private >*/ /* Padding for API extension */ gpointer _ges_reserved[GES_PADDING_LARGE]; }; GType ges_track_element_get_type (void); gboolean ges_track_element_set_track (GESTrackElement * object, GESTrack * track); GESTrack* ges_track_element_get_track (GESTrackElement * object); GESTrackType ges_track_element_get_track_type (GESTrackElement * object); void ges_track_element_set_track_type (GESTrackElement * object, GESTrackType type); void ges_track_element_set_clip (GESTrackElement * object, GESClip * clipect); GESClip * ges_track_element_get_clip (GESTrackElement* object); GstElement * ges_track_element_get_gnlobject (GESTrackElement * object); GstElement * ges_track_element_get_element (GESTrackElement * object); void ges_track_element_set_locked (GESTrackElement * object, gboolean locked); gboolean ges_track_element_is_locked (GESTrackElement * object); gboolean ges_track_element_set_active (GESTrackElement * object, gboolean active); gboolean ges_track_element_is_active (GESTrackElement * object); GParamSpec ** ges_track_element_list_children_properties (GESTrackElement *object, guint *n_properties); gboolean ges_track_element_lookup_child (GESTrackElement *object, const gchar *prop_name, GstElement **element, GParamSpec **pspec); void ges_track_element_get_child_property_by_pspec (GESTrackElement * object, GParamSpec * pspec, GValue * value); void ges_track_element_get_child_property_valist (GESTrackElement * object, const gchar * first_property_name, va_list var_args); void ges_track_element_get_child_properties (GESTrackElement *object, const gchar * first_property_name, ...) G_GNUC_NULL_TERMINATED; void ges_track_element_set_child_property_valist (GESTrackElement * object, const gchar * first_property_name, va_list var_args); void ges_track_element_set_child_property_by_pspec (GESTrackElement * object, GParamSpec * pspec, GValue * value); void ges_track_element_set_child_properties (GESTrackElement * object, const gchar * first_property_name, ...) G_GNUC_NULL_TERMINATED; gboolean ges_track_element_set_child_property (GESTrackElement *object, const gchar *property_name, GValue * value); gboolean ges_track_element_get_child_property (GESTrackElement *object, const gchar *property_name, GValue * value); gboolean ges_track_element_edit (GESTrackElement * object, GList *layers, GESEditMode mode, GESEdge edge, guint64 position); G_END_DECLS #endif /* _GES_TRACK_ELEMENT */