func: static int parse_fmtp(AVFormatContext *s,
  
                        AVStream *stream, PayloadContext *data,
  
                        const char *attr, const char *value)
  
  {
  
      AVCodecParameters *par = stream->codecpar;
  
      int res, i;
  
  
  
      if (!strcmp(attr, "config")) {
  
          res = parse_fmtp_config(par, value);
  
  
  
          if (res < 0)
  
              return res;
  
      }
  
  
  
      if (par->codec_id == AV_CODEC_ID_AAC) {
  
          /* Looking for a known attribute */
  
          for (i = 0; attr_names[i].str; ++i) {
  
              if (!av_strcasecmp(attr, attr_names[i].str)) {
  
                  if (attr_names[i].type == ATTR_NAME_TYPE_INT) {
  
                      *(int *)((char *)data+
  
                          attr_names[i].offset) = atoi(value);
  
                  } else if (attr_names[i].type == ATTR_NAME_TYPE_STR)
  
                      *(char **)((char *)data+
  
                          attr_names[i].offset) = av_strdup(value);
  
              }
  
          }
  
      }
  
      return 0;
  
  }
  