mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-24 18:51:11 +00:00
114 lines
5.1 KiB
C
114 lines
5.1 KiB
C
/* GStreamer
|
|
* Copyright (C) <2003> David A. Schleef <ds@schleef.org>
|
|
* <2004> Benjamin Otte <otte@gnome.org
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <gst/gst.h>
|
|
|
|
#ifndef __GST_VIDEO_IMAGE_H__
|
|
#define __GST_VIDEO_IMAGE_H__
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
|
|
typedef struct _GstVideoColor GstVideoColor;
|
|
typedef struct _GstVideoImage GstVideoImage;
|
|
typedef struct _GstVideoFormat GstVideoFormat;
|
|
|
|
struct _GstVideoColor {
|
|
int Y, U, V;
|
|
int R, G, B;
|
|
};
|
|
extern const GstVideoColor GST_VIDEO_COLOR_WHITE;
|
|
extern const GstVideoColor GST_VIDEO_COLOR_YELLOW;
|
|
extern const GstVideoColor GST_VIDEO_COLOR_CYAN;
|
|
extern const GstVideoColor GST_VIDEO_COLOR_GREEN;
|
|
extern const GstVideoColor GST_VIDEO_COLOR_MAGENTA;
|
|
extern const GstVideoColor GST_VIDEO_COLOR_RED;
|
|
extern const GstVideoColor GST_VIDEO_COLOR_BLUE;
|
|
extern const GstVideoColor GST_VIDEO_COLOR_BLACK;
|
|
extern const GstVideoColor GST_VIDEO_COLOR_NEG_I;
|
|
extern const GstVideoColor GST_VIDEO_COLOR_POS_Q;
|
|
extern const GstVideoColor GST_VIDEO_COLOR_SUPER_BLACK;
|
|
extern const GstVideoColor GST_VIDEO_COLOR_DARK_GREY;
|
|
|
|
|
|
struct _GstVideoImage
|
|
{
|
|
guint8 * dest; /* pointer to first byte of video data */
|
|
guint8 * yp, *up, *vp; /* pointers to first byte of each component
|
|
* for both packed/planar YUV and RGB */
|
|
guint8 * endptr; /* pointer to byte beyond last video data */
|
|
guint ystride;
|
|
guint ustride;
|
|
guint vstride;
|
|
guint width;
|
|
guint height;
|
|
const GstVideoFormat * format;
|
|
};
|
|
|
|
struct _GstVideoFormat
|
|
{
|
|
char * fourcc;
|
|
char * name;
|
|
int bitspp;
|
|
void (* paint_setup) (GstVideoImage * p, char *dest);
|
|
void (* paint_hline) (GstVideoImage * p, int x, int y, int w, const GstVideoColor *c);
|
|
void (* copy_hline) (GstVideoImage * dest, int destx, int desty,
|
|
GstVideoImage * src, int srcx, int srcy, int w);
|
|
int ext_caps;
|
|
int depth;
|
|
guint red_mask;
|
|
guint green_mask;
|
|
guint blue_mask;
|
|
};
|
|
|
|
const GstVideoFormat * gst_video_format_find_by_fourcc (int find_fourcc);
|
|
const GstVideoFormat * gst_video_format_find_by_name (const char *name);
|
|
const GstVideoFormat * gst_video_format_find_by_structure (const GstStructure *structure);
|
|
GstStructure * gst_video_format_get_structure (const GstVideoFormat *format);
|
|
guint gst_video_format_get_size (const GstVideoFormat *format,
|
|
guint w, guint h);
|
|
|
|
extern const GstVideoFormat gst_video_format_list[];
|
|
extern const guint gst_video_format_count;
|
|
|
|
void gst_video_image_setup (GstVideoImage *image,
|
|
const GstVideoFormat *format,
|
|
guint8 *data, guint w, guint h);
|
|
|
|
/* drawing operations */
|
|
void gst_video_image_draw_hline (GstVideoImage *image,
|
|
gint x, gint y, gint w,
|
|
const GstVideoColor *c);
|
|
void gst_video_image_draw_rectangle (GstVideoImage *image,
|
|
gint x, gint y, gint w, gint h,
|
|
const GstVideoColor *c, gboolean filled);
|
|
void gst_video_image_copy_hline (GstVideoImage *dest,
|
|
gint xdest, gint ydest,
|
|
GstVideoImage *src,
|
|
gint xsrc, gint ysrc, gint w);
|
|
void gst_video_image_copy_area (GstVideoImage *dest,
|
|
gint xdest, gint ydest,
|
|
GstVideoImage *src,
|
|
gint xsrc, gint ysrc,
|
|
gint w, gint h);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_VIDEO_IMAGE_H__ */
|