mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-27 20:21:24 +00:00
92 lines
2.6 KiB
C
92 lines
2.6 KiB
C
/* GStreamer video frame cropping
|
|
* Copyright (C) 2006 Tim-Philipp Müller <tim centricular net>
|
|
*
|
|
* 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_CROP_H__
|
|
#define __GST_VIDEO_CROP_H__
|
|
|
|
#include <gst/base/gstbasetransform.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_VIDEO_CROP \
|
|
(gst_video_crop_get_type())
|
|
#define GST_VIDEO_CROP(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VIDEO_CROP,GstVideoCrop))
|
|
#define GST_VIDEO_CROP_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VIDEO_CROP,GstVideoCropClass))
|
|
#define GST_IS_VIDEO_CROP(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VIDEO_CROP))
|
|
#define GST_IS_VIDEO_CROP_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VIDEO_CROP))
|
|
|
|
typedef enum {
|
|
VIDEO_CROP_PIXEL_FORMAT_PACKED_SIMPLE = 0, /* RGBx, AYUV */
|
|
VIDEO_CROP_PIXEL_FORMAT_PACKED_COMPLEX, /* UYVY, YVYU */
|
|
VIDEO_CROP_PIXEL_FORMAT_PLANAR /* I420, YV12 */
|
|
} VideoCropPixelFormat;
|
|
|
|
typedef struct _GstVideoCropImageDetails GstVideoCropImageDetails;
|
|
struct _GstVideoCropImageDetails
|
|
{
|
|
/*< private >*/
|
|
VideoCropPixelFormat packing;
|
|
|
|
guint width;
|
|
guint height;
|
|
guint size;
|
|
|
|
/* for packed RGB and YUV */
|
|
guint stride;
|
|
guint bytes_per_pixel;
|
|
guint8 macro_y_off; /* for YUY2, YVYU, UYVY, Y offset within macropixel in bytes */
|
|
|
|
/* for planar YUV */
|
|
guint y_stride, y_off;
|
|
guint u_stride, u_off;
|
|
guint v_stride, v_off;
|
|
};
|
|
|
|
typedef struct _GstVideoCrop GstVideoCrop;
|
|
typedef struct _GstVideoCropClass GstVideoCropClass;
|
|
|
|
struct _GstVideoCrop
|
|
{
|
|
GstBaseTransform basetransform;
|
|
|
|
/*< private >*/
|
|
gint crop_left;
|
|
gint crop_right;
|
|
gint crop_top;
|
|
gint crop_bottom;
|
|
|
|
GstVideoCropImageDetails in; /* details of input image */
|
|
GstVideoCropImageDetails out; /* details of output image */
|
|
};
|
|
|
|
struct _GstVideoCropClass
|
|
{
|
|
GstBaseTransformClass basetransform_class;
|
|
};
|
|
|
|
GType gst_video_crop_get_type (void);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_VIDEO_CROP_H__ */
|
|
|