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/* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, 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__ */
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