/* * Type-specific code for TYPE=ccir601 */ #include <picfile.h> #include <libc.h> int PRD_601(f, buf) PICFILE *f; char *buf; { if(f->line==0){ f->buf=malloc(f->width*2); if(f->buf==0){ PIC_error="Can't allocate buffer"; return 0; } } if(f->line==f->height){ PIC_error="Read past end of picture"; return 0; } /* read the file */ f->line++; return 1; } int PWR_601(f, buf) PICFILE *f; char *buf; { if(f->line==0){ f->buf=malloc(f->width*2); if(f->buf==0){ PIC_error="Can't allocate buffer"; return 0; } PWR_header(f); } if(f->line>=f->height){ PIC_error="Write past end of picture"; return 0; } /* write the file */ f->line++; return 1; } int PCL_601(f) PICFILE *f; { free(f->buf); }