AVStream *st = s->streams[i];
int ssize;
AVRational time_base;
- ff_parse_specific_params(st->codec, &time_base.den, &ssize, &time_base.num);
+ ff_parse_specific_params(st, &time_base.den, &ssize, &time_base.num);
if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && st->codec->sample_rate) {
time_base = (AVRational) {1, st->codec->sample_rate};