AVIF_TRUSTCKTYPE  333 libavformat/avienc.c         avio_wl32(pb, AVIF_TRUSTCKTYPE | AVIF_ISINTERLEAVED);  /* flags */
AVIF_TRUSTCKTYPE  335 libavformat/avienc.c         avio_wl32(pb, AVIF_TRUSTCKTYPE | AVIF_HASINDEX | AVIF_ISINTERLEAVED);  /* flags */