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Is it possible to -ss in ffmpeg to the file, that is being received via pipe? So that I start reading it from a given timecode? I am not encoding the file.

Thanks

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  • Have you tried it already?
    – slhck
    Mar 2, 2012 at 22:06
  • yeah, it always starts from 0
    – stpn
    Mar 2, 2012 at 22:10
  • Maybe you can add the commands you're using and provide a sample file for others to try. I don't know if it's actually possible, but I fear it's not.
    – slhck
    Mar 2, 2012 at 23:28

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So it is definitely impossible.

here is what I was trying to achieve:

<wget command here> - | ffmpeg -ss 00:00:03 -t 00:00:10 -i - -y -g 1 -vcodec copy -acodec copy <name of the file>

Bad news: the file WILL be downloaded from 00:00:00

Good news: downloading WILL stop at 00:00:10

I guess something close to the desired goal of having a 7-second long clip that starts at 03 initial seconds is achievable through librtmp / streaming and then seeking to the desired timecode, but that sounds like an overkill for what I am doing.

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