mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-25 09:40:37 +00:00
95 lines
4.1 KiB
C
95 lines
4.1 KiB
C
/* GStreamer
|
|
* Copyright (C) 2006 Nokia <stefan.kost@nokia.com
|
|
*
|
|
* videoorientation.h: video flipping and centering interface
|
|
*
|
|
* 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 __GST_VIDEO_ORIENTATION_H__
|
|
#define __GST_VIDEO_ORIENTATION_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/interfaces/interfaces-enumtypes.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_VIDEO_ORIENTATION \
|
|
(gst_video_orientation_get_type ())
|
|
#define GST_VIDEO_ORIENTATION(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_VIDEO_ORIENTATION, GstVideoOrientation))
|
|
#define GST_IS_VIDEO_ORIENTATION(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VIDEO_ORIENTATION))
|
|
#define GST_VIDEO_ORIENTATION_GET_INTERFACE(inst) \
|
|
(G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_VIDEO_ORIENTATION, GstVideoOrientationInterface))
|
|
|
|
/**
|
|
* GstVideoOrientation:
|
|
*
|
|
* Opaque #GstVideoOrientation data structure.
|
|
*/
|
|
typedef struct _GstVideoOrientation GstVideoOrientation;
|
|
typedef struct _GstVideoOrientationInterface GstVideoOrientationInterface;
|
|
|
|
/**
|
|
* GstVideoOrientationInterface:
|
|
* @iface: parent interface type.
|
|
* @get_hflip: virtual method to get horizontal flipping state
|
|
* @get_vflip: virtual method to get vertical flipping state
|
|
* @get_hcenter: virtual method to get horizontal centering state
|
|
* @get_vcenter: virtual method to get vertical centering state
|
|
* @set_hflip: virtual method to set horizontal flipping state
|
|
* @set_vflip: virtual method to set vertical flipping state
|
|
* @set_hcenter: virtual method to set horizontal centering state
|
|
* @set_vcenter: virtual method to set vertical centering state
|
|
*
|
|
* #GstVideoOrientationInterface interface.
|
|
*/
|
|
struct _GstVideoOrientationInterface {
|
|
GTypeInterface iface;
|
|
|
|
/* FIXME 0.11: fix awkward API? add some kind of get_supported flags thing
|
|
* and then just return booleans/int from all vfuncs requiring the caller
|
|
* to check the flags first */
|
|
|
|
/* virtual functions */
|
|
gboolean (* get_hflip) (GstVideoOrientation *video_orientation, gboolean *flip);
|
|
gboolean (* get_vflip) (GstVideoOrientation *video_orientation, gboolean *flip);
|
|
gboolean (* get_hcenter) (GstVideoOrientation *video_orientation, gint *center);
|
|
gboolean (* get_vcenter) (GstVideoOrientation *video_orientation, gint *center);
|
|
|
|
gboolean (* set_hflip) (GstVideoOrientation *video_orientation, gboolean flip);
|
|
gboolean (* set_vflip) (GstVideoOrientation *video_orientation, gboolean flip);
|
|
gboolean (* set_hcenter) (GstVideoOrientation *video_orientation, gint center);
|
|
gboolean (* set_vcenter) (GstVideoOrientation *video_orientation, gint center);
|
|
};
|
|
|
|
GType gst_video_orientation_get_type (void);
|
|
|
|
/* virtual class function wrappers */
|
|
gboolean gst_video_orientation_get_hflip (GstVideoOrientation *video_orientation, gboolean *flip);
|
|
gboolean gst_video_orientation_get_vflip (GstVideoOrientation *video_orientation, gboolean *flip);
|
|
gboolean gst_video_orientation_get_hcenter (GstVideoOrientation *video_orientation, gint *center);
|
|
gboolean gst_video_orientation_get_vcenter (GstVideoOrientation *video_orientation, gint *center);
|
|
|
|
gboolean gst_video_orientation_set_hflip (GstVideoOrientation *video_orientation, gboolean flip);
|
|
gboolean gst_video_orientation_set_vflip (GstVideoOrientation *video_orientation, gboolean flip);
|
|
gboolean gst_video_orientation_set_hcenter (GstVideoOrientation *video_orientation, gint center);
|
|
gboolean gst_video_orientation_set_vcenter (GstVideoOrientation *video_orientation, gint center);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_VIDEO_ORIENTATION_H__ */
|