mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-20 16:51:10 +00:00
113 lines
3.4 KiB
C
113 lines
3.4 KiB
C
/* GStreamer Editing Services
|
|
* Copyright (C) 2010 Brandon Lewis <brandon@collabora.co.uk>
|
|
* 2010 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_TRANSITION
|
|
#define _GES_TRACK_TRANSITION
|
|
|
|
#include <glib-object.h>
|
|
#include <gst/controller/gstcontroller.h>
|
|
#include <gst/controller/gstinterpolationcontrolsource.h>
|
|
#include <ges/ges-types.h>
|
|
#include <ges/ges-track-object.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GES_TYPE_TRACK_TRANSITION ges_track_transition_get_type()
|
|
|
|
#define GES_TRACK_TRANSITION(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GES_TYPE_TRACK_TRANSITION,\
|
|
GESTrackTransition))
|
|
|
|
#define GES_TRACK_TRANSITION_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST ((klass), GES_TYPE_TRACK_TRANSITION,\
|
|
GESTrackTransitionClass))
|
|
|
|
#define GES_IS_TRACK_TRANSITION(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GES_TYPE_TRACK_TRANSITION))
|
|
|
|
#define GES_IS_TRACK_TRANSITION_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE ((klass), GES_TYPE_TRACK_TRANSITION))
|
|
|
|
#define GES_TRACK_TRANSITION_GET_CLASS(obj) \
|
|
(G_TYPE_INSTANCE_GET_CLASS ((obj), GES_TYPE_TRACK_TRANSITION,\
|
|
GESTrackTransitionClass)
|
|
|
|
/**
|
|
* GESTrackTransition:
|
|
* @parent: parent
|
|
* @vtype: a #GEnumValue representing the type of transition to apply.
|
|
*
|
|
* Track level representation of a transition. Has a concrete implementation
|
|
* for both audio and video streams.
|
|
*
|
|
*/
|
|
|
|
struct _GESTrackTransition
|
|
{
|
|
GESTrackObject parent;
|
|
|
|
/*< public >*/
|
|
/* given to to smpte alpha element */
|
|
gint vtype;
|
|
|
|
/*< private >*/
|
|
|
|
/* these enable video interpolation */
|
|
GstController *vcontroller;
|
|
GstInterpolationControlSource *vcontrol_source;
|
|
|
|
/* so we can support changing between wipes */
|
|
GstElement *vsmpte;
|
|
GstElement *vmixer;
|
|
GstPad *sinka;
|
|
GstPad *sinkb;
|
|
|
|
/* these will be different depending on whether smptealpha or alpha element
|
|
* is used */
|
|
gdouble vstart_value;
|
|
gdouble vend_value;
|
|
|
|
/* these enable volume interpolation. Unlike video, both inputs are adjusted
|
|
* simultaneously */
|
|
GstController *a_acontroller;
|
|
GstInterpolationControlSource *a_acontrol_source;
|
|
|
|
GstController *a_bcontroller;
|
|
GstInterpolationControlSource *a_bcontrol_source;
|
|
};
|
|
|
|
/**
|
|
* GESTrackTransitionClass
|
|
* @parent_class: parent class
|
|
*/
|
|
|
|
struct _GESTrackTransitionClass {
|
|
GESTrackObjectClass parent_class;
|
|
/* <public> */
|
|
};
|
|
|
|
GType ges_track_transition_get_type (void);
|
|
|
|
GESTrackTransition *ges_track_transition_new (gint value);
|
|
void ges_track_transition_set_vtype(GESTrackTransition *tr, gint vtype);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif
|