mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-30 13:41:48 +00:00
57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
/* Gnome-Streamer
|
|
* 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., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
|
|
#ifndef __GST_VIDEOSCALE_H__
|
|
#define __GST_VIDEOSCALE_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <libs/colorspace/gstcolorspace.h>
|
|
|
|
typedef enum {
|
|
GST_VIDEOSCALE_POINT_SAMPLE,
|
|
GST_VIDEOSCALE_NEAREST,
|
|
GST_VIDEOSCALE_BILINEAR,
|
|
GST_VIDEOSCALE_BICUBIC
|
|
} GstVideoScaleMethod;
|
|
|
|
typedef struct _GstVideoScale GstVideoScale;
|
|
typedef void (*GstVideoScaleScaler) (GstVideoScale *scale, guchar *src, guchar *dest);
|
|
|
|
struct _GstVideoScale {
|
|
guint source_width;
|
|
guint source_height;
|
|
guint dest_width;
|
|
guint dest_height;
|
|
GstColorSpaceType format;
|
|
GstVideoScaleMethod method;
|
|
guint scale_bytes;
|
|
/* private */
|
|
guchar copy_row[8192];
|
|
guchar *temp;
|
|
GstVideoScaleScaler scale;
|
|
void (*scaler) (GstVideoScale *scale, guchar *src, guchar *dest, gint sw, gint sh, gint dw, gint dh);
|
|
guchar (*filter) (guchar *src, gdouble x, gdouble y, gint sw, gint sh);
|
|
};
|
|
|
|
GstVideoScale *gst_videoscale_new(gint sw, gint sh, gint dw, gint dh, GstColorSpaceType format, GstVideoScaleMethod method);
|
|
#define gst_videoscale_scale(scaler, src, dest) (scaler)->scale((scaler), (src), (dest))
|
|
void gst_videoscale_destroy(GstVideoScale *scale);
|
|
|
|
#endif /* __GST_VIDEOSCALE_H__ */
|