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Diffstat (limited to 'gst/games/gstvideoimage.h')
| -rw-r--r-- | gst/games/gstvideoimage.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/gst/games/gstvideoimage.h b/gst/games/gstvideoimage.h new file mode 100644 index 00000000..7392d0d1 --- /dev/null +++ b/gst/games/gstvideoimage.h @@ -0,0 +1,114 @@ +/* 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__ */ |