[FFmpeg-user] Concat 2 videos, results in wrong length of the result

Gyan gyandoshi at gmail.com
Sat Sep 9 08:56:48 EEST 2017

On Sat, Sep 9, 2017 at 11:01 AM, Nitish Prabhu <nitishsprabhu at gmail.com>

> Won't altering the timebase for "96.out.mp4" make the "96.new.mp4" play
> slower than it was recorded at?

When the timescale is changed here, ffmpeg will rescale the timestamps to
maintain timing. There's a loss of precision since the temporal resolution
is decreased ~2x but for a 30 fps video and a 10^4 timescale, it makes no

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