Den 06.12.2022 16:39, skrev Andrew Randrianasulu:
вт, 6 дек. 2022 г., 03:33 Terje J. Hanssen via Cin
<[email protected]>:
I had to troubleshoot and replace a bad SATA power connector to my
internal LG Blu-ray burner that caused confusing disc mount issues
and delay, before the burner device worked properly again.
lsscsi | grep BD
[5:0:0:0] cd/dvd HL-DT-ST BD-RE BH10LS30 1.02 /dev/sr0
So far I have tested successful burning on BD50-RE DL discs with
K3b/cdrecord using a single 2GB HDV clip with PCM transcoded audio
written to Blu-ray video UDF image. For HDV this time I've tested
BD-RE discs from two manufacturers, Verbatim and unlabeled (dealer
Slowmoose). Last year I tested also SD-Bluray video successful
burned on TDK BD-RE discs.
And most important, the discs starts as autoplay after loading in
my Samsung UBD-K8500 Blu-ray hardware player. The quality of
interlaced video and PCM audio seems for me equivalent via VLC and
Samsung BD player. Testing is executed on VLC/Leap 15.4
workstation and Samsung BD-player, both connected to the same Asus
27" LCD monitor (PB2780Q), easy switchable via DP and HDMI ports
respectively.
To summarize and repeat procedure for this test case:
> ffmpeg -i hdv01_m2t -c:v copy -c:a pcm_bluray -mpegts_m2ts_mode
1 hdv01_m2t_pcm_bluray.mts
# mkudffs -b 2048 /tmp/hdv01_m2t_pcm_bluray.udfs 1126663
# mount -o loop /tmp/hdv01_m2t_pcm_bluray.udfs /mnt/test
# /home/terje/mountpoint/usr/bin/bdwrite /mnt/test
hdv01_m2t_pcm_bluray.mts
# umount /mnt/test
K3b: Burn CD-image, 2x speed (BD50-RE DL)
image to burn; /tmp/hdv01_m2t_pcm_bluray.udfs
(not recognizeable, but selece burn it anyway, 2-4x times)
image type: Auto
Burning program: cdrecord
(warning to add the actual user to cdrom group)
Start
A question before leaving some error/warning details from various
tools output/log below:
Is it possible to get bdwrite to keep the original, multiple video
clip names? In this case single clip: hdv01.mts
I think only way I saw in manual (but not tested) is to add chain of
clips as arguments to bdwrite, so you will have titles to select via
remote control
https://cinelerra-gg.org/download/CinelerraGG_Manual/Blu_ray_from_Multiple_CINEL.html
not sure what will happen if you add like 20 titles this way - screen
area will overflown by title names?
Yes, there is something to explore. The manual sample screen seems to be
selectable human info titles that points to the clips.
To be sure we talk about the same thing, I will detail this sample case
a bit.
The Blu-ray video disc's root directory contains the following tree
structure:
terje@localhost:/run/media/terje/LinuxUDF> ls
BDMV CERTIFICATE
terje@localhost:/run/media/terje/LinuxUDF> tree -h BDMV
BDMV
├── [ 40] AUXDATA
├── [ 332] BACKUP
│ ├── [ 40] BDJO
│ ├── [ 92] CLIPINF
│ │ └── [7.3K] 00000.clpi
│ ├── [ 124] index.bdmv
│ ├── [ 40] JAR
│ ├── [ 110] MovieObject.bdmv
│ └── [ 92] PLAYLIST
│ └── [ 212] 00000.mpls
├── [ 40] BDJO
├── [ 92] CLIPINF
│ └── [7.3K] 00000.clpi
├── [ 124] index.bdmv
├── [ 40] JAR
├── [ 40] META
├── [ 110] MovieObject.bdmv
├── [ 92] PLAYLIST
│ └── [ 212] 00000.mpls
└── [ 92] STREAM
└── [2.1G] 00000.m2ts
12 directories, 9 files
The last line contains the video itself with file name '00000.m2ts'
This corresponds to my single video clip 'hdv01_m2t_pcm_bluray.mts' from
bdwrite /mnt/test hdv01_m2t_pcm_bluray.mts
HDV and also DV (SD) requires ca 13 GB disc space pr hour (from a
recorded 60 minutes tape). That is a 46 GB BD50-DL optical disc have
space for about 3.5 hours HDV or DV video.
When HDV.m2t or DV (digitized from Hi8 analog tapes) are transfered to
the Datavideo DN-300 disk recorder, the video is auto splitted in 2,0 GB
named clips. A sample of DV clips and naming from two Hi8 tapes archived
on optical BD data discs:
/video/DV> du -h dv01* dv02*
2,0G dv01.dv
2,0G dv01_01.dv
2,0G dv01_02.dv
2,0G dv01_03.dv
2,0G dv01_04.dv
2,0G dv01_05.dv
2,0G dv01_06.dv
389M dv01_07.dv
2,0G dv02.dv
2,0G dv02_01.dv
2,0G dv02_02.dv
2,0G dv02_03.dv
2,0G dv02_04.dv
2,0G dv02_05.dv
505M dv02_06.dv
It is these clip names it would be practical (due to archive register)
to keep also on the playbackable, source Blu-ray video discs?
Beside additional clip info/titles could be useful.
Thanks for your experiments, hopefully Phyllis will update manual
section before new year with new line about transcoding audio, while
leaving video intact.
The very first procedure line above had a minor syntax typo in the input
file:
> ffmpeg -i hdv01.m2t -c:v copy -c:a pcm_bluray -mpegts_m2ts_mode 1
hdv01_m2t_pcm_bluray.mts
It should be noted that ffmpeg-5 with pcm_bluray encoder is required
here (therefore I used Tumbleweed just for this)
Else I suggest that the # comments in the manual should be kept to
explain what happends.
And also how the mkudffs size was calculated.
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