st->need_parsing = AVSTREAM_PARSE_HEADERS;
avpriv_set_pts_info(st, 64, 1001, 30000);
if (!(st = avformat_new_stream(s, NULL)))
return AVERROR(ENOMEM);
st->need_parsing = AVSTREAM_PARSE_HEADERS;
avpriv_set_pts_info(st, 64, 1001, 30000);
if (!(st = avformat_new_stream(s, NULL)))
return AVERROR(ENOMEM);