avio_write(pb, "DKIF", 4);
avio_wl16(pb, 0); // version
avio_wl16(pb, 32); // header length
- avio_wl32(pb, par->codec_tag ? par->codec_tag :
+ avio_wl32(pb,
par->codec_id == AV_CODEC_ID_VP9 ? AV_RL32("VP90") :
par->codec_id == AV_CODEC_ID_VP8 ? AV_RL32("VP80") : AV_RL32("AV01"));
avio_wl16(pb, par->width);
if (st->codecpar->codec_id == AV_CODEC_ID_VP9)
ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL);
+ else if (st->codecpar->codec_id == AV_CODEC_ID_AV1)
+ ret = ff_stream_add_bitstream_filter(st, "av1_metadata", "td=insert");
return ret;
}