пн, 12 дек. 2022 г., 06:00 Terje J. Hanssen <[email protected]>:
> > > 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? > it should be, at least we hope! just as far as I understand there was no (open-source) way to make udf 2.5 image from *arbitrary* folder. (tsmuxer need video/media files to put into image) So I reached to netbsd tools. > > > > in theory you can use bdwrite over mounted ext4 image (say) and then use > populated tree as source for makefs .... > >> >>
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