/* 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., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #ifndef _GES_TRACK_OBJECT #define _GES_TRACK_OBJECT #include #include #include #include #include G_BEGIN_DECLS #define GES_TYPE_TRACK_OBJECT ges_track_object_get_type() #define GES_TRACK_OBJECT(obj) \ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GES_TYPE_TRACK_OBJECT, GESTrackObject)) #define GES_TRACK_OBJECT_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST ((klass), GES_TYPE_TRACK_OBJECT, GESTrackObjectClass)) #define GES_IS_TRACK_OBJECT(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GES_TYPE_TRACK_OBJECT)) #define GES_IS_TRACK_OBJECT_CLASS(klass) \ (G_TYPE_CHECK_CLASS_TYPE ((klass), GES_TYPE_TRACK_OBJECT)) #define GES_TRACK_OBJECT_GET_CLASS(obj) \ (G_TYPE_INSTANCE_GET_CLASS ((obj), GES_TYPE_TRACK_OBJECT, GESTrackObjectClass)) /** * GES_TRACK_OBJECT_START: * @obj: a #GESTrackObject * * The start position of the object (in nanoseconds). */ #define GES_TRACK_OBJECT_START(obj) (((GESTrackObject*)obj)->start) /** * GES_TRACK_OBJECT_INPOINT: * @obj: a #GESTrackObject * * The in-point of the object (in nanoseconds). */ #define GES_TRACK_OBJECT_INPOINT(obj) (((GESTrackObject*)obj)->inpoint) /** * GES_TRACK_OBJECT_DURATION: * @obj: a #GESTrackObject * * The duration position of the object (in nanoseconds). */ #define GES_TRACK_OBJECT_DURATION(obj) (((GESTrackObject*)obj)->duration) typedef struct _GESTrackObjectPrivate GESTrackObjectPrivate; /** * GESTrackObject: * * The GESTrackObject base class. */ struct _GESTrackObject { GInitiallyUnowned parent; /*< private >*/ guint64 start; guint64 inpoint; guint64 duration; guint32 priority; gboolean active; GESTrackObjectPrivate *priv; /* Padding for API extension */ gpointer _ges_reserved[GES_PADDING]; }; /** * GESTrackObjectClass: * @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. * @start_changed: start property of gnlobject has changed * @media_start_changed: media-start property of gnlobject has changed * @duration_changed: duration property glnobject has changed * @gnl_priority_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 _GESTrackObjectClass { /*< private >*/ GInitiallyUnownedClass parent_class; /*< public >*/ /* virtual methods for subclasses */ const gchar *gnlobject_factorytype; GstElement* (*create_gnl_object) (GESTrackObject * object); GstElement* (*create_element) (GESTrackObject * object); void (*start_changed) (GESTrackObject *object, guint64 start); void (*media_start_changed) (GESTrackObject *object, guint64 media_start); void (*gnl_priority_changed) (GESTrackObject *object, guint priority); void (*duration_changed) (GESTrackObject *object, guint64 duration); void (*active_changed) (GESTrackObject *object, gboolean active); /*< private >*/ /* signals (currently unused) */ void (*changed) (GESTrackObject * object); /*< public >*/ /* virtual methods for subclasses */ GHashTable* (*get_props_hastable) (GESTrackObject * object); GParamSpec** (*list_children_properties) (GESTrackObject * object, guint *n_properties); /*< private >*/ /* Padding for API extension */ gpointer _ges_reserved[GES_PADDING - 2]; }; GType ges_track_object_get_type (void); gboolean ges_track_object_set_track (GESTrackObject * object, GESTrack * track); GESTrack* ges_track_object_get_track (GESTrackObject * object); void ges_track_object_set_timeline_object (GESTrackObject * object, GESTimelineObject * tlobject); GESTimelineObject * ges_track_object_get_timeline_object (GESTrackObject* object); GstElement * ges_track_object_get_gnlobject (GESTrackObject * object); GstElement * ges_track_object_get_element (GESTrackObject * object); void ges_track_object_set_locked (GESTrackObject * object, gboolean locked); gboolean ges_track_object_is_locked (GESTrackObject * object); void ges_track_object_set_start (GESTrackObject * object, guint64 start); void ges_track_object_set_inpoint (GESTrackObject * object, guint64 inpoint); void ges_track_object_set_duration (GESTrackObject * object, guint64 duration); void ges_track_object_set_max_duration (GESTrackObject * object, guint64 maxduration); void ges_track_object_set_priority (GESTrackObject * object, guint32 priority); gboolean ges_track_object_set_active (GESTrackObject * object, gboolean active); guint64 ges_track_object_get_start (GESTrackObject * object); guint64 ges_track_object_get_inpoint (GESTrackObject * object); guint64 ges_track_object_get_duration (GESTrackObject * object); guint64 ges_track_object_get_max_duration (GESTrackObject * object); guint32 ges_track_object_get_priority (GESTrackObject * object); gboolean ges_track_object_is_active (GESTrackObject * object); GParamSpec ** ges_track_object_list_children_properties (GESTrackObject *object, guint *n_properties); gboolean ges_track_object_lookup_child (GESTrackObject *object, const gchar *prop_name, GstElement **element, GParamSpec **pspec); void ges_track_object_get_child_property_by_pspec (GESTrackObject * object, GParamSpec * pspec, GValue * value); void ges_track_object_get_child_property_valist (GESTrackObject * object, const gchar * first_property_name, va_list var_args); void ges_track_object_get_child_property (GESTrackObject *object, const gchar * first_property_name, ...) G_GNUC_NULL_TERMINATED; void ges_track_object_set_child_property_valist (GESTrackObject * object, const gchar * first_property_name, va_list var_args); void ges_track_object_set_child_property_by_pspec (GESTrackObject * object, GParamSpec * pspec, GValue * value); void ges_track_object_set_child_property (GESTrackObject * object, const gchar * first_property_name, ...) G_GNUC_NULL_TERMINATED; G_END_DECLS #endif /* _GES_TRACK_OBJECT */