MythTV: pgm.h Source File

00001 /*
00002  * pgm.h
00003  *
00004  * Routines for querying and manipulating PGM (greyscale) images.
00005  */
00006 
00007 #ifndef __PGM_H__
00008 #define __PGM_H__
00009 
00010 struct VideoFrame_;
00011 struct AVPicture;
00012 
00013 int pgm_fill(struct AVPicture *dst, const struct VideoFrame_ *frame);
00014 int pgm_read(unsigned char *buf, int width, int height, const char *filename);
00015 int pgm_write(const unsigned char *buf, int width, int height,
00016         const char *filename);
00017 int pgm_crop(struct AVPicture *dst, const struct AVPicture *src, int srcheight,
00018         int srcrow, int srccol, int cropwidth, int cropheight);
00019 int pgm_overlay(struct AVPicture *dst,
00020         const struct AVPicture *s1, int s1height, int s1row, int s1col,
00021         const struct AVPicture *s2, int s2height);
00022 int pgm_convolve_radial(struct AVPicture *dst, struct AVPicture *s1,
00023         struct AVPicture *s2, const struct AVPicture *src, int srcheight,
00024         const double *mask, int mask_radius);
00025 
00026 #endif  /* !__PGM_H__ */
00027 
00028 /* vim: set expandtab tabstop=4 shiftwidth=4: */