av_opts.c

   1 /*
   2  * AVOption parsing helper
   3  * Copyright (C) 2008 Michael Niedermayer
   4  *
   5  * This file is part of MPlayer.
   6  *
   7  * MPlayer is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * MPlayer is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include <stdlib.h>
  23 #include <string.h>
  24
  25 #include <libavutil/opt.h>
  26
  27 #include "av_opts.h"
  28
  29 int parse_avopts(void *v, char *str){
  30     char *start;
  31     start= str= strdup(str);
  32
  33     while(str && *str){
  34         char *next_opt, *arg;
  35
  36         next_opt= strchr(str, ',');
  37         if(next_opt) *next_opt++= 0;
  38
  39         arg     = strchr(str, '=');
  40         if(arg)      *arg++= 0;
  41
  42         if (av_opt_set(v, str, arg, AV_OPT_SEARCH_CHILDREN) < 0) {
  43             free(start);
  44             return -1;
  45         }
  46         str= next_opt;
  47     }
  48
  49     free(start);
  50     return 0;
  51 }