Testing av_dovi_alloc()
alloc: OK, size>0=yes, dv_profile=0
alloc (no size): OK

Testing av_dovi_metadata_alloc()
alloc: OK, size>0=yes
num_ext_blocks=0
header_offset>0=yes, rpu_type=0
mapping_offset>0=yes, nlq_method_idc=0
color_offset>0=yes, dm_metadata_id=0
ext_block_size>0=yes
alloc (no size): OK

Testing av_dovi_find_level()
find level 1: OK
find level 5: OK
find level 1 first match: OK
find level 99 (missing): OK

Testing OOM paths
av_dovi_alloc OOM: OK
av_dovi_metadata_alloc OOM: OK
