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Re: When I back-up .... Coping my Entire Internal HD to an external HD

From Paul <nospam@needed.invalid>
Newsgroups alt.os.linux
Subject Re: When I back-up .... Coping my Entire Internal HD to an external HD
Date 2025-03-22 14:00 -0400
Organization A noiseless patient Spider
Message-ID <vrmtsc$fluo$1@dont-email.me> (permalink)
References (17 earlier) <66tvalx2ng.ln2@Telcontar.valinor> <vrln0p$3di74$2@dont-email.me> <vro2blxb56.ln2@Telcontar.valinor> <vrmeo2$2e4d$1@dont-email.me> <cit2blx5lk.ln2@Telcontar.valinor>

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On Sat, 3/22/2025 10:20 AM, Carlos E.R. wrote:
> On 2025-03-22 14:42, TJ wrote:
>> On 2025-03-22 09:00, Carlos E.R. wrote:
>>> On 2025-03-22 07:57, Lawrence D'Oliveiro wrote:
>>>> On Fri, 21 Mar 2025 11:55:34 +0100, Carlos E.R. wrote:
>>>>
>>>>> On the other hand, I find that TV sets support for playing media is
>>>>> terrible.
>>>>
>>>> Get something like a Kodi box.
>>>
>>> Well, the laptop I already have, and would be gathering dust otherwise. Actually, sometimes I run kodi on it.
>>>
>>> It is funny, some videos barely run on the laptop using VLC; however, they run fine using kodi.
>>>
>>> Even if I recode those videos using ffmpeg, VLC can't play them. Sound is good, video stalls.
>>>
>>>
>>>
>> Have you tried recoding with Handbrake? It has worked for me in the past.
> 
> I haven't, but most tools use the same codec libraries.
> 
> I tried these:
> 
> time ffmpeg -i Source\ x265\ .mkv \
>     -map 0 -vf scale=1920:-1  -c:v libx264 -preset slow -crf 22 -tune fastdecode -profile:v baseline  -c:a copy -c:s copy \
>     Dest\ baseline.mkv
> 
> time ffmpeg -i Source\ x265\ .mkv \
>     -map 0 -vf scale=1920:-1  -c:v libx264 -preset slow -crf 22 -tune fastdecode -profile:v main  -c:a copy -c:s copy \
>     Dest\ -\ main.mkv
> 
> time ffmpeg -i Source\ x265\ .mkv \
>     -map 0 -vf scale=1920:-1  -c:v mpeg4 -vtag xvid -qscale:v 3  -c:a copy -c:s copy \
>     Dest\ xvid.mkv
> 
> 
> I have trouble when the video uses x265. x264 is fine, so I was trying to encode to x264. VLC on that laptop has trouble with those (I do the recoding in another machine that is powerful).
> 
> 
> But if kodi can display the video, it is less effort and resources to watch the movies in kodi. It is just curious, as both vlc and kodi link the same libx265.so libraries.
> 
> 

Take it all the way back to RAW, then re-code it. Then you can
do bidirectional encoding if you want (for better random seek
behavior). Or for that matter, re-code with only keyframes,
high bitrate, and (almost no) compression :-)

One way to go back to a RAW format, is to store the video frames
as individual pictures in a folder. I've done that before, as
part of experimenting with video.

But don't expect the sound track to stay synchronized. Sound
only remains synced, if the video track and the audio track
have the original timestamps. What you will find on practical
videos, is the sound track speeds up or slows down at random.
If you use a video editor and attempt to "slide" the
sound track with respect to the video track, yes, you can
align the sound at a selected point on the video, but other
parts of the video are then improperly aligned.

*******

You can tell the FFMPEG library to use the hardware decoder
in the iGPU, like the Intel QuickSync encoder/decoder or
the like. You don't always have to use the software decoder
for this.

When you re-code using FFMPEG, you can spec hardware decoding
on input of the video, then software re-encode with the rest
of the FFMPEG command. You can even do the entire job
in hardware (about 10x speedup over software method).
But since NVENC and NVDEC are not switched on in the
Linux FFMPEG, you can recompile from source and
use ./configure to add back NVENC and NVDEC.

Doing this stuff, is more of a "hobby" than a ten minute
project :-) All I wanted to learn, is how long would it
take me to fix a video. My answer to that is
"book two weeks of your time for it".

   Paul

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Thread

When I back-up .... Coping my Entire Internal HD to an external HD Daniel70 <daniel47@eternal-september.org> - 2025-03-11 21:52 +1100
  Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-11 13:16 +0100
    Re: When I back-up .... Coping my Entire Internal HD to an external HD Daniel70 <daniel47@eternal-september.org> - 2025-03-11 23:34 +1100
  Re: When I back-up .... Coping my Entire Internal HD to an external HD "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2025-03-11 08:21 -0400
    Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-11 15:57 +0100
      Re: When I back-up .... Coping my Entire Internal HD to an external HD "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2025-03-11 11:23 -0400
        Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-12 00:31 +0000
          Re: When I back-up .... Coping my Entire Internal HD to an external HD Java Jive <java@evij.com.invalid> - 2025-03-12 13:15 +0000
        Re: When I back-up .... Coping my Entire Internal HD to an external HD TJ <TJ@noneofyour.business> - 2025-03-14 11:19 -0400
          Re: When I back-up .... Coping my Entire Internal HD to an external HD "R.Wieser" <address@is.invalid> - 2025-03-14 16:47 +0100
            Re: When I back-up .... Coping my Entire Internal HD to an external HD TJ <TJ@noneofyour.business> - 2025-03-14 14:47 -0400
              Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-14 23:39 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "R.Wieser" <address@is.invalid> - 2025-03-15 07:50 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-15 06:58 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-15 04:02 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-15 22:20 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-15 20:29 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-16 01:18 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-15 22:44 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-16 06:33 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Dan Purgert <dan@djph.net> - 2025-03-17 08:57 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Anssi Saari <anssi.saari@usenet.mail.kapsi.fi> - 2025-03-17 16:05 +0200
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-17 19:23 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-17 15:21 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E. R." <robin_listas@es.invalid> - 2025-03-17 22:04 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-17 23:19 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Anssi Saari <anssi.saari@usenet.mail.kapsi.fi> - 2025-03-19 16:45 +0200
                Re: When I back-up .... Coping my Entire Internal HD to an external HD ant@zimage.comANT (Ant) - 2025-03-19 16:05 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-19 21:00 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-20 03:04 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-20 22:02 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-21 11:50 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-21 12:21 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-24 00:50 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-24 14:23 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-20 12:24 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-20 22:01 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-21 11:51 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-21 10:16 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-22 13:52 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-22 14:18 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-22 23:20 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-24 23:20 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-25 12:55 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-26 00:27 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Anssi Saari <anssi.saari@usenet.mail.kapsi.fi> - 2025-03-20 11:07 +0200
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-20 12:29 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-19 14:14 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-19 21:18 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Anssi Saari <anssi.saari@usenet.mail.kapsi.fi> - 2025-03-20 10:51 +0200
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-20 12:22 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD TJ <TJ@noneofyour.business> - 2025-03-20 20:35 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-21 11:55 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Joerg Walther <joerg.walther@magenta.de> - 2025-03-21 16:24 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-22 06:58 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-22 04:29 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-22 22:00 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-23 02:01 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-24 00:43 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD TJ <TJ@noneofyour.business> - 2025-03-21 16:37 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-22 06:57 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-22 14:00 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD TJ <TJ@noneofyour.business> - 2025-03-22 09:42 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-22 15:20 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-22 14:00 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-22 20:34 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-22 22:02 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-22 23:22 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-24 00:42 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-03-17 23:18 +0000
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "R.Wieser" <address@is.invalid> - 2025-03-15 09:08 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-15 13:37 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "R.Wieser" <address@is.invalid> - 2025-03-15 19:22 +0100
                Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-15 14:57 -0400
                Re: When I back-up .... Coping my Entire Internal HD to an external HD "R.Wieser" <address@is.invalid> - 2025-03-15 21:06 +0100
    Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-11 19:56 -0400
  Re: When I back-up .... Coping my Entire Internal HD to an external HD Richard Kettlewell <invalid@invalid.invalid> - 2025-03-11 18:16 +0000
    Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-11 20:03 -0400
      Re: When I back-up .... Coping my Entire Internal HD to an external HD "Carlos E.R." <robin_listas@es.invalid> - 2025-03-12 15:12 +0100
        Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-12 14:56 -0400
  Re: When I back-up .... Coping my Entire Internal HD to an external HD bad sector <forgetski@_INVALID.net> - 2025-03-17 07:49 -0400
    Re: When I back-up .... Coping my Entire Internal HD to an external HD Daniel70 <daniel47@eternal-september.org> - 2025-03-18 00:21 +1100
      Re: When I back-up .... Coping my Entire Internal HD to an external HD Paul <nospam@needed.invalid> - 2025-03-17 11:54 -0400

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