[Cin] Testing HDV on a Blu-ray Disc Without Re-encoding

[Andrew Randrianasulu]

On Thursday, November 25, 2021, Terje J. Hanssen <terjejhanssen at gmail.com>
wrote:

>
>
> Den 24.11.2021 21:37, skrev Andrew Randrianasulu:
>
>>
>>
>> On Wednesday, November 24, 2021, Terje J. Hanssen <
>> terjejhanssen at gmail.com <mailto:terjejhanssen at gmail.com>> wrote:
>>
>>     Finally preparing the source HDV.M2T MPEG-2 media in a blu-ray
>>     M2TS format format with E-AC3 audio.
>>
>>
>>     ffmpeg -i 20081103140154.m2t -c:a eac3 -c:v copy
>>     20081103140154_m2t-eac3.m2ts
>>
>>     ffmpeg -i 20081103140154_m2t-eac3.m2ts 2>&1 >/dev/null | egrep
>>     "Audio|Video"
>>
>>       Stream #0:0[0x1011]: Video: mpeg2video (Main) ([2][0][0][0] /
>>     0x0002), yuv420p(tv, bt709, top first), 1440x1080 [SAR 4:3 DAR
>>     16:9], 25000 kb/s, 25 fps, 25 tbr, 90k tbn, 50 tbc
>>       Stream #0:1[0x1100]: Audio: eac3 (EAC3 / 0x33434145), 48000 Hz,
>>     stereo, fltp, 192 kb/s
>>
>>     ===============
>>
>>     Trying to follow the manual's 7 procedure steps to create the
>>     Blu-ray structure and burn it to a DVD+RW disc (with root access):
>>     # My comments and questions included.
>>
>>
>>     1. du -sb /yourHDVfile.MTS
>>
>>     cd /video/HDV-M2T
>>
>>     du -sb 20081103140154_m2t-eac3.m2ts
>>     44261376    20081103140154_m2t-eac3.m2ts
>>
>>     ----------
>>
>>     2. blocks=((size-in-bytes/2048 + 4096))
>>
>>     blocks=((44261376/2042 + 4096)) = 25700
>>
>>     ----------
>>
>>     3. mkudffs /tmp/newfilename.udfs blocks
>>
>>     zypper in udftools
>>
>>     mkudffs /tmp/BD_HDV_20081103140154_m2t-eac3_m2ts.udfs 25700
>>
>>     filename=/tmp/BD_HDV_20081103140154_m2t-eac3_m2ts.udfs
>>     label=LinuxUDF
>>     uuid=619e6f69a6e71b03
>>     blocksize=2048
>>     blocks=25700
>>     udfrev=201
>>     start=0, blocks=16, type=RESERVED
>>     start=16, blocks=3, type=VRS
>>     start=19, blocks=237, type=USPACE
>>     start=256, blocks=1, type=ANCHOR
>>     start=257, blocks=16, type=PVDS
>>     start=273, blocks=1, type=LVID
>>     start=274, blocks=25169, type=PSPACE
>>     start=25443, blocks=1, type=ANCHOR
>>     start=25444, blocks=239, type=USPACE
>>     start=25683, blocks=16, type=RVDS
>>     start=25699, blocks=1, type=ANCHOR
>>
>>     -------------
>>
>>     4. mount -o loop /tmp/newfilename.udfs /mntX
>>
>>     mkdir /mntX
>>
>>     mount -o loop /tmp/BD_HDV_20081103140154_m2t-eac3_m2ts.udfs /mntX
>>
>>     -----------
>>
>>     5. /<cinelerra_installed_path>/bin/bdwrite /mntX /tmp/yourHDVfile.MTS
>>
>>     which bdwrite
>>     /usr/bin/bdwrite
>>
>>     bdwrite /mntX /tmp/20081103140154_m2t-eac3.m2ts
>>     cant scan media: /tmp/20081103140154_m2t-eac3.m2ts
>>
>>     # Something wrong here with the procedure or my command syntax? "
>>     # I'm confused regarding "/mntX /tmp/yourHDVfile.MTS": my HDV.M2TS
>>     file is in the current /video/HDV-M2T ?
>>
>>
>> yeah, sounds like unclear manual assuming your video file also in /tmp,
>> try same steps but with next line you tried first (or delete already
>> written  stuff from /mntX before next try)
>>
>>
>>
> Just to add, I have several DVD and BD discs with video written earlier
> using various tools, CinGG/bdwrite, K3b and NeroLinux, but probably none
> using just this procedure for HDV:
>
> I repeat and continue from step using a blank DVD+RW disc:
>
> bdwrite /mntX 20081103140154_m2t-eac3.m2ts
>
> tree -h /mntX
> /mntX
> ├── [ 520]  BDMV
> │   ├── [  40]  AUXDATA
> │   ├── [ 332]  BACKUP
> │   │   ├── [  40]  BDJO
> │   │   ├── [  92]  CLIPINF
> │   │   │   └── [ 480]  00000.clpi
> │   │   ├── [  40]  JAR
> │   │   ├── [ 110]  MovieObject.bdmv
> │   │   ├── [  92]  PLAYLIST
> │   │   │   └── [ 184]  00000.mpls
> │   │   └── [ 124]  index.bdmv
> │   ├── [  40]  BDJO
> │   ├── [  92]  CLIPINF
> │   │   └── [ 480]  00000.clpi
> │   ├── [  40]  JAR
> │   ├── [  40]  META
> │   ├── [ 110]  MovieObject.bdmv
> │   ├── [  92]  PLAYLIST
> │   │   └── [ 184]  00000.mpls
> │   ├── [  92]  STREAM
> │   │   └── [ 42M]  00000.m2ts
> │   └── [ 124]  index.bdmv
> └── [ 272]  CERTIFICATE
>     ├── [ 224]  BACKUP
>     │   ├── [  40]  BDJO
>     │   ├── [  40]  CLIPINF
>     │   ├── [  40]  JAR
>     │   └── [  40]  PLAYLIST
>     ├── [  40]  BDJO
>     ├── [  40]  CLIPINF
>     ├── [  40]  JAR
>     └── [  40]  PLAYLIST
>
> 23 directories, 9 files


at least for now m2ts file is in)



>
> umount /mntX
>
> dd if=/tmp/BD_HDV_20081103140154_m2t-eac3_m2ts.udfs of=/dev/sr0 bs=2048000
> dd: error writing '/dev/sr0': No space left on device
> 1+0 records in
> 0+0 records out
> 2048 bytes (2.0 kB, 2.0 KiB) copied, 0.0797526 s, 25.7 kB/s
>
> # dd: error writing '/dev/sr0': No space left on device
> # Is there  something in the dd command that prerequisite a BD size disc:
> bs=2048000
> # If so, what should it be for a 4.7 GB DVD+RW?


 does first command work better?

growisofs -Z /dev/bd=/tmp/newfilename.udfs

'bs' here is blocksize, never saw it that big, but then I never tried to
write to optical disk in this way...

>
> # Is it possible to blank out the empty structures written to DVD+RW, in
> case it require a blank disc?


not sure..

try also to burn resulted image with some gui software? (just in case..)

>
> Terje J. H
>
>
>
>
> ;
>
>
>
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