gstreamer/gst/videobox/gstvideobox.h
2021-03-29 12:45:23 +02:00

94 lines
2.7 KiB
C

/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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.
*/
#include <gst/gst.h>
#include <gst/video/gstvideofilter.h>
#include <gst/video/video.h>
#ifndef __GST_VIDEO_BOX_H__
#define __GST_VIDEO_BOX_H__
#define GST_TYPE_VIDEO_BOX \
(gst_video_box_get_type())
#define GST_VIDEO_BOX(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VIDEO_BOX,GstVideoBox))
#define GST_VIDEO_BOX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VIDEO_BOX,GstVideoBoxClass))
#define GST_IS_VIDEO_BOX(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VIDEO_BOX))
#define GST_IS_VIDEO_BOX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VIDEO_BOX))
typedef struct _GstVideoBox GstVideoBox;
typedef struct _GstVideoBoxClass GstVideoBoxClass;
typedef enum
{
VIDEO_BOX_FILL_BLACK,
VIDEO_BOX_FILL_GREEN,
VIDEO_BOX_FILL_BLUE,
VIDEO_BOX_FILL_RED,
VIDEO_BOX_FILL_YELLOW,
VIDEO_BOX_FILL_WHITE,
VIDEO_BOX_FILL_LAST
}
GstVideoBoxFill;
struct _GstVideoBox
{
GstVideoFilter element;
/* <private> */
/* Guarding everything below */
GMutex mutex;
/* caps */
GstVideoFormat in_format;
gint in_width, in_height;
gboolean in_sdtv;
GstVideoFormat out_format;
gint out_width, out_height;
gboolean out_sdtv;
gint box_left, box_right, box_top, box_bottom;
gint border_left, border_right, border_top, border_bottom;
gint crop_left, crop_right, crop_top, crop_bottom;
gdouble alpha;
gdouble border_alpha;
GstVideoBoxFill fill_type;
gboolean autocrop;
void (*fill) (GstVideoBoxFill fill_type, guint b_alpha, GstVideoFrame *dest, gboolean sdtv);
void (*copy) (guint i_alpha, GstVideoFrame * dest, gboolean dest_sdtv, gint dest_x, gint dest_y, GstVideoFrame * src, gboolean src_sdtv, gint src_x, gint src_y, gint w, gint h);
};
struct _GstVideoBoxClass
{
GstVideoFilterClass parent_class;
};
GType gst_video_box_get_type (void);
GST_ELEMENT_REGISTER_DECLARE (videobox);
#endif /* __GST_VIDEO_BOX_H__ */