Den 12.12.2022 01:10, skrev Andrew Randrianasulu:
пн, 12 дек. 2022 г., 03:04 Terje J. Hanssen via Cin
<[email protected]>:
Den 11.12.2022 20:08, skrev Andrew Randrianasulu via Cin:
вс, 11 дек. 2022 г., 21:44 Phyllis Smith via Cin
<[email protected]>:
I wonder if someone can clarify if UDF version 2.5 or
higher really is required for creating and burning
Blu-ray video to VBD-discs(blu-ray video discs)
The latest version of Fedora, i.e. version 36, has udftools
version 2.3 and my laptop with Fedora 32 has udftools version
2.1. Both have been and continue to work to create blu-ray
discs by the CinGG method.
well, while standard demand udf 2.5 - I guess most (newer)
players relaxed on that...
My Samsung UBD-K8500 4K UHD Blu-ray Player is a 2016 model, so it
looks so. The spec sheet doesn't mention UDF version and is not
very detailed
https://image-us.samsung.com/SamsungUS/pim/migration/doc/ubd-k8500-za_DAV_UBD_K8500_SpecSheet_01.04.16.pdf
because while mkudffs can make udf 2.5 image/skeleton there is no
simple way to populate this filesystem with files under Linux!
Only netbsd kernel can write udf 2.5 disks/disk images, and for
most bugfixed code you need unreleased yet netbsd 10.
I extracted few utilites from netbsd tree (because 5gb of NetBSD
sources was too much for my puny tablet)
https://github.com/Randrianasulu/makefs_termux
this one should create _populated_ image, just be sure to set
both min and max udf version to 2.5 and block size suitable for
optical media. (2048)
Linux kernel even most latest git still stuck at 2.01 for writing
(bdwrite works by utilizing linux kernel udf write support)
The mkudffs (and mkfs.udf in udftools) man page say it is used to
create a UDF filesystem on a device (usually a disk).
Is it a fair understanding that the mkudffs command we use first,
creates the udfs file system itself based on the kernel support,
which bdwrite next write the udfs image upon?
mkudffs by itself should work without kernel-level support, just there
is no way (one I know) to populate this filesystem if kernel udf
module does not support writing or missed.
in theory there was udfclient, but I lost myself quickly in its cmd
line interface, and back in time ( ~year or so ago) it was not working
with 2.5 images for writing anyway ....
Ok, but the Blu-ray iso image I created last year with tsMuxer (on Leap)
and burned to BD-RE disc with K3b:
https://www.mail-archive.com/[email protected]/msg03634.html
Verifying this disc now with bdinfo outputs
udfrev=2.50
udfwriterev=2.50
Isn't this real UDF 2.5 according to the Blu-ray standard?
in theory you can use bdwrite over mounted ext4 image (say) and then
use populated tree as source for makefs ....
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