+
+ MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
+ if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
+ do {
+ buf = get_line(s);
+ if (!buf[0] || buf[0] == '#') {
+ av_free(buf);
+ continue;
+ }
+ if (!(arg = strchr(buf, '='))) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
+ exit(1);
+ }
+ *arg++ = 0;
+ av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
+ av_free(buf);
+ } while (!s->eof_reached);
+ avio_close(s);
+ }
+ if (ret) {
+ av_log(NULL, AV_LOG_FATAL,
+ "Preset %s specified for stream %d:%d, but could not be opened.\n",
+ preset, ost->file_index, ost->index);
+ exit(1);
+ }