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114 lines
5.1 KiB
C
114 lines
5.1 KiB
C
/* GStreamer
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* Copyright (C) <2003> David A. Schleef <ds@schleef.org>
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* <2004> Benjamin Otte <otte@gnome.org
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <gst/gst.h>
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#ifndef __GST_VIDEO_IMAGE_H__
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#define __GST_VIDEO_IMAGE_H__
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G_BEGIN_DECLS
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typedef struct _GstVideoColor GstVideoColor;
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typedef struct _GstVideoImage GstVideoImage;
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typedef struct _GstVideoFormat GstVideoFormat;
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struct _GstVideoColor {
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int Y, U, V;
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int R, G, B;
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};
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extern const GstVideoColor GST_VIDEO_COLOR_WHITE;
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extern const GstVideoColor GST_VIDEO_COLOR_YELLOW;
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extern const GstVideoColor GST_VIDEO_COLOR_CYAN;
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extern const GstVideoColor GST_VIDEO_COLOR_GREEN;
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extern const GstVideoColor GST_VIDEO_COLOR_MAGENTA;
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extern const GstVideoColor GST_VIDEO_COLOR_RED;
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extern const GstVideoColor GST_VIDEO_COLOR_BLUE;
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extern const GstVideoColor GST_VIDEO_COLOR_BLACK;
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extern const GstVideoColor GST_VIDEO_COLOR_NEG_I;
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extern const GstVideoColor GST_VIDEO_COLOR_POS_Q;
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extern const GstVideoColor GST_VIDEO_COLOR_SUPER_BLACK;
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extern const GstVideoColor GST_VIDEO_COLOR_DARK_GREY;
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struct _GstVideoImage
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{
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guint8 * dest; /* pointer to first byte of video data */
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guint8 * yp, *up, *vp; /* pointers to first byte of each component
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* for both packed/planar YUV and RGB */
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guint8 * endptr; /* pointer to byte beyond last video data */
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guint ystride;
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guint ustride;
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guint vstride;
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guint width;
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guint height;
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const GstVideoFormat * format;
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};
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struct _GstVideoFormat
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{
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char * fourcc;
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char * name;
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int bitspp;
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void (* paint_setup) (GstVideoImage * p, char *dest);
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void (* paint_hline) (GstVideoImage * p, int x, int y, int w, const GstVideoColor *c);
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void (* copy_hline) (GstVideoImage * dest, int destx, int desty,
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GstVideoImage * src, int srcx, int srcy, int w);
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int ext_caps;
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int depth;
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guint red_mask;
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guint green_mask;
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guint blue_mask;
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};
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const GstVideoFormat * gst_video_format_find_by_fourcc (int find_fourcc);
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const GstVideoFormat * gst_video_format_find_by_name (const char *name);
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const GstVideoFormat * gst_video_format_find_by_structure (const GstStructure *structure);
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GstStructure * gst_video_format_get_structure (const GstVideoFormat *format);
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guint gst_video_format_get_size (const GstVideoFormat *format,
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guint w, guint h);
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extern const GstVideoFormat gst_video_format_list[];
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extern const guint gst_video_format_count;
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void gst_video_image_setup (GstVideoImage *image,
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const GstVideoFormat *format,
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guint8 *data, guint w, guint h);
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/* drawing operations */
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void gst_video_image_draw_hline (GstVideoImage *image,
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gint x, gint y, gint w,
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const GstVideoColor *c);
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void gst_video_image_draw_rectangle (GstVideoImage *image,
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gint x, gint y, gint w, gint h,
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const GstVideoColor *c, gboolean filled);
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void gst_video_image_copy_hline (GstVideoImage *dest,
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gint xdest, gint ydest,
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GstVideoImage *src,
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gint xsrc, gint ysrc, gint w);
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void gst_video_image_copy_area (GstVideoImage *dest,
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gint xdest, gint ydest,
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GstVideoImage *src,
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gint xsrc, gint ysrc,
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gint w, gint h);
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G_END_DECLS
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#endif /* __GST_VIDEO_IMAGE_H__ */
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