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Re: Cutting an AVI file down to size

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On 3 Jul 2019 16:16:13 GMT, Charlie Gibbs wrote:
>
> On 2019-07-03, Queequeg <queequeg@trust.no1> wrote:
>
>> Charlie Gibbs <cgibbs@kltpzyxm.invalid> wrote:
>>
>>> 14 gigabytes in size.  That's right, gigabytes - enough data to
>>> fill three DVDs to bursting.  The file plays fine - it's a home-shot
>>> video which is 13 minutes long.  Something is very wrong, obviously.
>>
>> The size is similar to what it would be if the video was 640x480@25fps 
>> and not compressed at all.
>
> $ dc
> 640 480 3 25 780 * * * * p
> 17971200000
>
> Holy crap!  It's easy to forget just how many pixels we're throwing around.

Not sure how you get this number. What is 3, 25 and 780?

And what is actually inside this AVI container? Often

file filename.avi

tells you.

>> Just try converting it with avconv.
>
> $ avconv -codecs | wc
>     424    2647   24437
>
> So many choices... and I presume most video players only understand a few.
> Is there some sort of guide to codecs that would help me decide which to
> use?

I say generic MP4 or MKV. That's what I use when I use a machine emulator
and record the session. Two minutes result in a AVI file with 1.5 GB
because it's uncompressed.

> Thanks to everyone for your help.  Maybe, as some of you have suggested,
> I should just leave the file as is unless my friend really wants it
> compressed enough to send to someone.

Yes.
-- 
Andreas

My random thoughts and comments
https://news-commentaries.blogspot.com/

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Thread

Cutting an AVI file down to size Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2019-07-03 05:29 +0000
  Re: Cutting an AVI file down to size dillinger <dillinger@invalid.not> - 2019-07-03 07:59 +0200
  Re: Cutting an AVI file down to size "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2019-07-03 02:21 -0400
    Re: Cutting an AVI file down to size The Natural Philosopher <tnp@invalid.invalid> - 2019-07-03 09:22 +0100
  Re: Cutting an AVI file down to size The Natural Philosopher <tnp@invalid.invalid> - 2019-07-03 09:18 +0100
  Re: Cutting an AVI file down to size Rich <rich@example.invalid> - 2019-07-03 11:16 +0000
  Re: Cutting an AVI file down to size queequeg@trust.no1 (Queequeg) - 2019-07-03 12:59 +0000
    Re: Cutting an AVI file down to size Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2019-07-03 16:16 +0000
      Re: Cutting an AVI file down to size Andreas Kohlbach <ank@spamfence.net> - 2019-07-03 15:27 -0400
        Re: Cutting an AVI file down to size Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2019-07-03 21:49 +0000
          Re: Cutting an AVI file down to size not@telling.you.invalid (Computer Nerd Kev) - 2019-07-04 00:29 +0000
            Re: Cutting an AVI file down to size Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2019-07-04 08:53 +0000
              Re: Cutting an AVI file down to size "Carlos E.R." <robin_listas@es.invalid> - 2019-07-04 15:41 +0200
          Re: Cutting an AVI file down to size queequeg@trust.no1 (Queequeg) - 2019-07-04 08:08 +0000
  Re: Cutting an AVI file down to size "F. Russell" <fr@random.info> - 2019-07-06 18:42 +0000

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