mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-24 10:41:04 +00:00
68 lines
2 KiB
C
68 lines
2 KiB
C
|
/* GStreamer video frame cropping to aspect-ratio
|
||
|
|
* Copyright (C) 2009 Thijs Vermeir <thijsvermeir@gmail.com>
|
||
|
|
*
|
||
|
|
* 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_ASPECT_RATIO_CROP_H__
|
||
|
|
#define __GST_ASPECT_RATIO_CROP_H__
|
||
|
|
|
||
|
|
#include <gst/gstbin.h>
|
||
|
|
|
||
|
|
G_BEGIN_DECLS
|
||
|
|
|
||
|
|
#define GST_TYPE_ASPECT_RATIO_CROP \
|
||
|
|
(gst_aspect_ratio_crop_get_type())
|
||
|
|
#define GST_ASPECT_RATIO_CROP(obj) \
|
||
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ASPECT_RATIO_CROP,GstAspectRatioCrop))
|
||
|
|
#define GST_ASPECT_RATIO_CROP_CLASS(klass) \
|
||
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ASPECT_RATIO_CROP,GstAspectRatioCropClass))
|
||
|
|
#define GST_IS_ASPECT_RATIO_CROP(obj) \
|
||
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ASPECT_RATIO_CROP))
|
||
|
|
#define GST_IS_ASPECT_RATIO_CROP_CLASS(klass) \
|
||
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ASPECT_RATIO_CROP))
|
||
|
|
|
||
|
|
typedef struct _GstAspectRatioCrop GstAspectRatioCrop;
|
||
|
|
typedef struct _GstAspectRatioCropClass GstAspectRatioCropClass;
|
||
|
|
|
||
|
|
struct _GstAspectRatioCrop
|
||
|
|
{
|
||
|
|
GstBin parent;
|
||
|
|
|
||
|
|
/* our videocrop element */
|
||
|
|
GstElement *videocrop;
|
||
|
|
|
||
|
|
GstPad *sink;
|
||
|
|
|
||
|
|
/* target aspect ratio */
|
||
|
|
gint ar_num; /* if < 1 then don't change ar */
|
||
|
|
gint ar_denom;
|
||
|
|
|
||
|
|
GMutex *crop_lock;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct _GstAspectRatioCropClass
|
||
|
|
{
|
||
|
|
GstBinClass parent_class;
|
||
|
|
};
|
||
|
|
|
||
|
|
GType gst_aspect_ratio_crop_get_type (void);
|
||
|
|
|
||
|
|
G_END_DECLS
|
||
|
|
|
||
|
|
#endif /* __GST_ASPECT_RATIO_CROP_H__ */
|
||
|
|
|