A flac with 6 MB cover art: (...) Seems to work
Interesting. I ran two of my FLACs with headers near 4 MB through metaflac.
Tags show up in Explorer
METADATA block #3
type: 6 (PICTURE)
is last: true
length: 4178514
type: 3 (Cover (front))
MIME type: image/jpeg
description:
width: 3000
height: 3000
depth: 24
colors: 0 (unindexed)
data length: 4178472
data:
00000000: FF D8 FF E0 00 10 4A 46 49 46 00 01 01 01 00 60 ÿØÿà..JFIF.....`
Tags don't show up
METADATA block #3
type: 6 (PICTURE)
is last: true
length: 4209376
type: 3 (Cover (front))
MIME type: image/jpeg
description:
width: 3000
height: 3000
depth: 24
colors: 0 (unindexed)
data length: 4209334
data:
00000000: FF D8 FF E0 00 10 4A 46 49 46 00 01 01 01 00 60 ÿØÿà..JFIF.....`
It also breaks when I use a PNG larger than 4MB
METADATA block #2
type: 6 (PICTURE)
is last: true
length: 4207143
type: 3 (Cover (front))
MIME type: image/png
description:
width: 1500
height: 1500
depth: 24
colors: 0 (unindexed)
data length: 4207102
data:
00000000: 89 50 4E 47 0D 0A 1A 0A 00 00 00 0D 49 48 44 52 %PNG........IHDR
I'm on Windows 10 20H2. What's your Windows version?