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Groups > linux.debian.user > #176811 > unrolled thread

ffmpeg / avconv

Started byPol Hallen <deben@fuckaround.org>
First post2017-01-18 17:00 +0100
Last post2017-01-19 12:20 +0100
Articles 4 — 2 participants

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  ffmpeg / avconv Pol Hallen <deben@fuckaround.org> - 2017-01-18 17:00 +0100
    Re: ffmpeg / avconv Nicolas George <george@nsup.org> - 2017-01-18 17:00 +0100
      Re: ffmpeg / avconv Pol Hallen <deben@fuckaround.org> - 2017-01-19 12:10 +0100
        Re: ffmpeg / avconv Nicolas George <george@nsup.org> - 2017-01-19 12:20 +0100

#176811 — ffmpeg / avconv

FromPol Hallen <deben@fuckaround.org>
Date2017-01-18 17:00 +0100
Subjectffmpeg / avconv
Message-ID<t10Oy-5VY-7@gated-at.bofh.it>
Hello to all :-)

I use ffmpeg (or avconv) and also winff to convert video (transcode) 
from a format to another.

The question: it there an extended version to transcode keep same 
bitrate (audio and video) to output file?

Because I've to set manually (using ffmpeg -i file) bitrate from each 
file and set it to output file

thanks for reply :-)

Pol

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#176812

FromNicolas George <george@nsup.org>
Date2017-01-18 17:00 +0100
Message-ID<t10Oy-5VY-9@gated-at.bofh.it>
In reply to#176811

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Le nonidi 29 nivôse, an CCXXV, Pol Hallen a écrit :
> I use ffmpeg (or avconv) and also winff to convert video (transcode) from a
> format to another.
> 
> The question: it there an extended version to transcode keep same bitrate
> (audio and video) to output file?
> 
> Because I've to set manually (using ffmpeg -i file) bitrate from each file
> and set it to output file

Since transcoding involves different codecs and different codecs have
different performances, keeping the bitrate seems like a strange goal.

What is your actual purpose?

Regards,

-- 
  Nicolas George

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#176836

FromPol Hallen <deben@fuckaround.org>
Date2017-01-19 12:10 +0100
Message-ID<t1iLo-MP-19@gated-at.bofh.it>
In reply to#176812
> What is your actual purpose?

Hello, thanks for your reply

My goal is not to waste the file size (disk space)

ie: if I've a 10Mb of a file with video bitrate 1000K and 128K audio 
bitrate, I'd like don't exceed 10Mb using a larger bitrate :)

unfortunately I've some flv file and my home player doesn't play it :-/

thanks!

Pol

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#176837

FromNicolas George <george@nsup.org>
Date2017-01-19 12:20 +0100
Message-ID<t1iV4-Qv-17@gated-at.bofh.it>
In reply to#176836

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Le decadi 30 nivôse, an CCXXV, Pol Hallen a écrit :
> My goal is not to waste the file size (disk space)

That makes one.

> 
> ie: if I've a 10Mb of a file with video bitrate 1000K and 128K audio
> bitrate, I'd like don't exceed 10Mb using a larger bitrate :)
> 
> unfortunately I've some flv file and my home player doesn't play it :-/

And I guess you want to play those files on your home player.

That makes two.

You can achieve these goals by using a very low bitrate, but that
results in a horrible quality. My guess is you do not want that either,
you want reasonable quality or something.

That would make three.

You need to prioritize these goals.

Once this is done, you need to find out exactly what codecs and formats
your home player supports. Note, these are two independent pieces of
information, and both are needed.

Regards,

-- 
  Nicolas George

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