From: LinAdmin <linadmin@quickline.ch>
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] Suggestion of append alternative when partial result file already exists
Date: Wed, 16 Feb 2022 11:17:02 +0100
Message-ID: <c718e586-56a0-9728-ec4f-e05fda4cb4e8@quickline.ch> (raw)
Unless you have a very powerful machine, encoding a 2 hour
film may take 40 hours. It must run continuously and in case
you are forced to interrupt the process, it becomes
difficult to append to the work already done.
When you start encoding using something like
ffmpeg -i input.mp4 -map 0:0 -map 0:1 -c:v libx265 -c:a
copy output.mp4
and reuse that same command when part of output.mp4 is
already present, ffmpeg asks the question
"output.mp4 already present, overwrite y/n".
It would be helpful if the question could be improved to:
"output.mp4 already present, append or overwrite a/o".
It is evident that appending would only success if creation
of the existing partial file was stopped in a 'normal' way,
e.g. by pressing CtrlC for the encoding process.
I am convinced that many users of ffmpeg would be very happy
about this possibility.
Many thanks for your good work with ffmpeg!
LinAdmin
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reply other threads:[~2022-02-16 10:17 UTC|newest]
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