mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-30 13:41:48 +00:00
339 lines
11 KiB
C
339 lines
11 KiB
C
/* GStreamer Editing Services
|
|
* Copyright (C) 2009 Edward Hervey <edward.hervey@collabora.co.uk>
|
|
* 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_TIMELINE_OBJECT
|
|
#define _GES_TIMELINE_OBJECT
|
|
|
|
#include <glib-object.h>
|
|
#include <gst/gst.h>
|
|
#include <ges/ges-types.h>
|
|
#include <ges/ges-track.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GES_TYPE_TIMELINE_OBJECT ges_timeline_object_get_type()
|
|
|
|
#define GES_TIMELINE_OBJECT(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GES_TYPE_TIMELINE_OBJECT, GESTimelineObject))
|
|
|
|
#define GES_TIMELINE_OBJECT_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST ((klass), GES_TYPE_TIMELINE_OBJECT, GESTimelineObjectClass))
|
|
|
|
#define GES_IS_TIMELINE_OBJECT(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GES_TYPE_TIMELINE_OBJECT))
|
|
|
|
#define GES_IS_TIMELINE_OBJECT_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE ((klass), GES_TYPE_TIMELINE_OBJECT))
|
|
|
|
#define GES_TIMELINE_OBJECT_GET_CLASS(obj) \
|
|
(G_TYPE_INSTANCE_GET_CLASS ((obj), GES_TYPE_TIMELINE_OBJECT, GESTimelineObjectClass))
|
|
|
|
typedef struct _GESTimelineObjectPrivate GESTimelineObjectPrivate;
|
|
|
|
/**
|
|
* GESFillTrackObjectFunc:
|
|
* @object: the #GESTimelineObject controlling the track object
|
|
* @trobject: the #GESTrackObject
|
|
* @gnlobj: the GNonLin object that needs to be filled.
|
|
*
|
|
* A function that will be called when the GNonLin object of a corresponding
|
|
* track object needs to be filled.
|
|
*
|
|
* The implementer of this function shall add the proper #GstElement to @gnlobj
|
|
* using gst_bin_add().
|
|
*
|
|
* Returns: TRUE if the implementer succesfully filled the @gnlobj, else #FALSE.
|
|
*/
|
|
typedef gboolean (*GESFillTrackObjectFunc) (GESTimelineObject * object,
|
|
GESTrackObject * trobject,
|
|
GstElement * gnlobj);
|
|
|
|
/**
|
|
* GESCreateTrackObjectFunc:
|
|
* @object: a #GESTimelineObject
|
|
* @track: a #GESTrack
|
|
*
|
|
* Creates the 'primary' track object for this @object.
|
|
*
|
|
* Subclasses should implement this method if they only provide a
|
|
* single #GESTrackObject per track.
|
|
*
|
|
* If the subclass needs to create more than one #GESTrackObject for a
|
|
* given track, then it should implement the 'create_track_objects'
|
|
* method instead.
|
|
*
|
|
* The implementer of this function shall return the proper #GESTrackObject
|
|
* that should be controlled by @object for the given @track.
|
|
*
|
|
* The returned #GESTrackObject will be automatically added to the list
|
|
* of objects controlled by the #GESTimelineObject.
|
|
*
|
|
* Returns: the #GESTrackObject to be used, or %NULL if it can't provide one
|
|
* for the given @track.
|
|
*/
|
|
typedef GESTrackObject* (*GESCreateTrackObjectFunc) (GESTimelineObject * object,
|
|
GESTrack * track);
|
|
|
|
/**
|
|
* GESCreateTrackObjectsFunc:
|
|
* @object: a #GESTimelineObject
|
|
* @track: a #GESTrack
|
|
*
|
|
* Create all track objects this object handles for this type of track.
|
|
*
|
|
* Subclasses should implement this method if they potentially need to
|
|
* return more than one #GESTrackObject(s) for a given #GESTrack.
|
|
*
|
|
* For each object created, the subclass must call
|
|
* ges_timeline_object_add_track_object() with the newly created object
|
|
* and provided @track.
|
|
*
|
|
* Returns: %TRUE on success %FALSE on failure.
|
|
*/
|
|
typedef gboolean (*GESCreateTrackObjectsFunc) (GESTimelineObject * object,
|
|
GESTrack *track);
|
|
|
|
/**
|
|
* GES_TIMELINE_OBJECT_START:
|
|
* @obj: a #GESTimelineObject
|
|
*
|
|
* The start position of the object (in nanoseconds).
|
|
*/
|
|
#define GES_TIMELINE_OBJECT_START(obj) (((GESTimelineObject*)obj)->start)
|
|
|
|
/**
|
|
* GES_TIMELINE_OBJECT_INPOINT:
|
|
* @obj: a #GESTimelineObject
|
|
*
|
|
* The in-point of the object (in nanoseconds).
|
|
*/
|
|
#define GES_TIMELINE_OBJECT_INPOINT(obj) (((GESTimelineObject*)obj)->inpoint)
|
|
|
|
/**
|
|
* GES_TIMELINE_OBJECT_DURATION:
|
|
* @obj: a #GESTimelineObject
|
|
*
|
|
* The duration position of the object (in nanoseconds).
|
|
*/
|
|
#define GES_TIMELINE_OBJECT_DURATION(obj) (((GESTimelineObject*)obj)->duration)
|
|
|
|
/**
|
|
* GES_TIMELINE_OBJECT_PRIORITY:
|
|
* @obj: a #GESTimelineObject
|
|
*
|
|
* The priority of the object.
|
|
*/
|
|
#define GES_TIMELINE_OBJECT_PRIORITY(obj) (((GESTimelineObject*)obj)->priority)
|
|
|
|
/**
|
|
* GES_TIMELINE_OBJECT_HEIGHT:
|
|
* @obj: a #GESTimelineObject
|
|
*
|
|
* The span of priorities this object occupies.
|
|
*/
|
|
#define GES_TIMELINE_OBJECT_HEIGHT(obj) (((GESTimelineObject*)obj)->height)
|
|
|
|
/**
|
|
* GESTimelineObject:
|
|
*
|
|
* The #GESTimelineObject base class.
|
|
*/
|
|
struct _GESTimelineObject {
|
|
GInitiallyUnowned parent;
|
|
|
|
/*< readonly >*/
|
|
/* A list of TrackObject controlled by this TimelineObject sorted by
|
|
* priority */
|
|
GList *trackobjects;
|
|
|
|
/* We don't add those properties to the priv struct for optimization purposes
|
|
* start, inpoint, duration and fullduration are in nanoseconds */
|
|
guint64 start; /* position (in time) of the object in the layer */
|
|
guint64 inpoint; /* in-point */
|
|
guint64 duration; /* duration of the object used in the layer */
|
|
guint32 priority; /* priority of the object in the layer (0:top priority) */
|
|
guint32 height; /* the span of priorities this object needs */
|
|
|
|
guint64 fullduration; /* Full usable duration of the object (-1: no duration) */
|
|
GESAsset *asset;
|
|
|
|
/*< private >*/
|
|
GESTimelineObjectPrivate *priv;
|
|
|
|
/* Padding for API extension */
|
|
gpointer _ges_reserved[GES_PADDING_LARGE];
|
|
};
|
|
|
|
/**
|
|
* GESTimelineObjectClass:
|
|
* @create_track_object: method to create a single #GESTrackObject for a given #GESTrack.
|
|
* @create_track_objects: method to create multiple #GESTrackObjects for a
|
|
* #GESTrack.
|
|
* @fill_track_object: method to fill an associated #GESTrackObject.
|
|
* @need_fill_track: Set to TRUE if @fill_track_object needs to be called.
|
|
* @snaps: Set to %TRUE if the objects of this type snap with
|
|
* other objects in a timeline %FALSE otherwise (default is %FALSE). Basically only
|
|
* sources snap.
|
|
* @track_object_added: Should be overridden by subclasses if they need to perform an
|
|
* operation when a #GESTrackObject is added. Since: 0.10.2
|
|
* @track_object_released: Should be overridden by subclasses if they need to perform
|
|
* action when a #GESTrackObject is released. Since: 0.10.2
|
|
* @set_max_duration: Should be overridden by subclasses if they need to perform
|
|
* action when a changing the maximum duration. Since: 0.10.XX
|
|
*
|
|
* Subclasses can override the @create_track_object and @fill_track_object methods.
|
|
*/
|
|
struct _GESTimelineObjectClass {
|
|
/*< private >*/
|
|
GInitiallyUnownedClass parent_class;
|
|
|
|
/*< public >*/
|
|
GESCreateTrackObjectFunc create_track_object;
|
|
GESCreateTrackObjectsFunc create_track_objects;
|
|
|
|
/* FIXME : might need a release_track_object */
|
|
GESFillTrackObjectFunc fill_track_object;
|
|
gboolean need_fill_track;
|
|
gboolean snaps;
|
|
|
|
void (*track_object_added) (GESTimelineObject *object,
|
|
GESTrackObject *tck_object);
|
|
void (*track_object_released) (GESTimelineObject *object,
|
|
GESTrackObject *tck_object);
|
|
void (*set_max_duration ) (GESTimelineObject *object,
|
|
guint64 maxduration);
|
|
|
|
/*< private >*/
|
|
/* Padding for API extension */
|
|
gpointer _ges_reserved[GES_PADDING_LARGE];
|
|
};
|
|
|
|
GType ges_timeline_object_get_type (void);
|
|
|
|
/* Setters */
|
|
void ges_timeline_object_set_start (GESTimelineObject * object,
|
|
guint64 start);
|
|
void ges_timeline_object_set_inpoint (GESTimelineObject * object,
|
|
guint64 inpoint);
|
|
void ges_timeline_object_set_duration (GESTimelineObject * object,
|
|
guint64 duration);
|
|
void ges_timeline_object_set_max_duration (GESTimelineObject * object,
|
|
guint64 maxduration);
|
|
void ges_timeline_object_set_priority (GESTimelineObject * object,
|
|
guint priority);
|
|
|
|
guint64 ges_timeline_object_get_max_duration (GESTimelineObject * object);
|
|
|
|
void ges_timeline_object_set_layer (GESTimelineObject * object,
|
|
GESTimelineLayer * layer);
|
|
|
|
/* TrackObject handling */
|
|
GESTrackObject *
|
|
ges_timeline_object_create_track_object (GESTimelineObject * object,
|
|
GESTrack * track);
|
|
|
|
gboolean
|
|
ges_timeline_object_create_track_objects (GESTimelineObject * object,
|
|
GESTrack * track);
|
|
|
|
gboolean
|
|
ges_timeline_object_release_track_object (GESTimelineObject * object,
|
|
GESTrackObject * trackobject);
|
|
|
|
gboolean
|
|
ges_timeline_object_fill_track_object (GESTimelineObject * object,
|
|
GESTrackObject * trackobj, GstElement * gnlobj);
|
|
|
|
GESTrackObject *
|
|
ges_timeline_object_find_track_object (GESTimelineObject * object,
|
|
GESTrack * track, GType type);
|
|
|
|
GList *
|
|
ges_timeline_object_get_track_objects (GESTimelineObject *object);
|
|
|
|
gboolean
|
|
ges_timeline_object_add_track_object (GESTimelineObject *object,
|
|
GESTrackObject *trobj);
|
|
|
|
/* Layer */
|
|
GESTimelineLayer *
|
|
ges_timeline_object_get_layer (GESTimelineObject *object);
|
|
|
|
gboolean
|
|
ges_timeline_object_move_to_layer (GESTimelineObject *object,
|
|
GESTimelineLayer *layer);
|
|
|
|
gboolean
|
|
ges_timeline_object_is_moving_from_layer (GESTimelineObject *object);
|
|
|
|
void
|
|
ges_timeline_object_set_moving_from_layer (GESTimelineObject * object,
|
|
gboolean is_moving);
|
|
|
|
/* Effects */
|
|
GList *
|
|
ges_timeline_object_get_top_effects (GESTimelineObject *object);
|
|
|
|
gint
|
|
ges_timeline_object_get_top_effect_position (GESTimelineObject *object,
|
|
GESTrackEffect *effect);
|
|
|
|
gboolean
|
|
ges_timeline_object_set_top_effect_priority (GESTimelineObject *object,
|
|
GESTrackEffect *effect,
|
|
guint newpriority);
|
|
|
|
GESTrackType
|
|
ges_timeline_object_get_supported_formats (GESTimelineObject * object);
|
|
|
|
void
|
|
ges_timeline_object_set_supported_formats (GESTimelineObject * object,
|
|
GESTrackType supportedformats);
|
|
|
|
GESTimelineObject *
|
|
ges_timeline_object_split (GESTimelineObject * object, guint64 position);
|
|
|
|
gboolean
|
|
ges_timeline_object_edit (GESTimelineObject * object,
|
|
GList *layers, gint new_layer_priority,
|
|
GESEditMode mode, GESEdge edge,
|
|
guint64 position);
|
|
|
|
void
|
|
ges_timeline_object_objects_set_locked (GESTimelineObject * object, gboolean locked);
|
|
|
|
gboolean ges_timeline_object_ripple (GESTimelineObject *object,
|
|
guint64 start);
|
|
|
|
gboolean ges_timeline_object_ripple_end (GESTimelineObject *object,
|
|
guint64 end);
|
|
|
|
gboolean ges_timeline_object_roll_start (GESTimelineObject *object,
|
|
guint64 start);
|
|
|
|
gboolean ges_timeline_object_roll_end (GESTimelineObject *object,
|
|
guint64 end);
|
|
|
|
gboolean ges_timeline_object_trim_start (GESTimelineObject *object,
|
|
guint64 start);
|
|
G_END_DECLS
|
|
|
|
#endif /* _GES_TIMELINE_OBJECT */
|
|
|