avio_wb16(pb, st->codec->width);
avio_wb16(pb, st->codec->height);
avio_wb16(pb, 0); // leading
- avio_wb16(pb, st->codec->time_base.den / st->codec->time_base.num);
+ // TODO: should be avg_frame_rate
+ avio_wb16(pb, st->time_base.den / st->time_base.num);
for (i = 0; i < 16; i++)
avio_w8(pb, 0x00); // reserved