GNU bug report logs - #40060
[PATCH 0/2] youtube-dl add ffmpeg, pycryptodome and zsh-completion

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Message #63 received at 40060 <at> debbugs.gnu.org (full text, mbox):

From: Tobias Geerinckx-Rice <me <at> tobias.gr>
To: 40060 <at> debbugs.gnu.org
Subject: Re: [bug#40060] [PATCH v3] gnu: youtube-dl: Add 'ffmpeg' as input.
Date: Wed, 01 Apr 2020 15:40:37 +0200

[Message part 1 (text/plain, inline)]

Brice,

Sorry for the delay!  However, I don't really know what more to 
say.

I'm still against pulling in ffmpeg for everyone, for the reason 
given in my last[0] mail.  Keep in mind:

 $ guix size youtube-dl | tail -n1
 total: 184.0 MiB

 $ guix size youtube-dl ffmpeg | tail -n1
 total: 804.7 MiB

If youtube-dl silently failed or produced worse video without 
ffmpeg, things'd clearly be different.  Same if it disabled 
features at build time if ffmpeg is not found.  I don't think it 
does…

One could argue that those who really don't need or want ffmpeg 
can simply customise their youtube-dl package because Guix is 
awesome.  Both true!  But it's the asymmetry between opt-in

 $ guix install youtube-dl
 $ youtube-dl https://hotvidz.gnu/10h-of-rms-dancing.oggv
 Note: you'll want to install ffmpeg to see more glorious detail
 $ guix install ffmpeg
 …

and opt-out, where the user has to learn about 
substitute-keyword-arguments & write a custom package just to 
avoid pulling in ffmpeg, that bugs me.

That's just me.  If you convince enough people to merge this I 
certainly won't mind!

Kind regards,

T G-R

[0]: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=40060#23

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