[FFmpeg-user] video slows down in the middle
confiscate at gmail.com
Wed Feb 7 02:19:50 EET 2018
I tried to convert a Webm file to MP4. The output MP4 file is fine, plays
normally at the start.
But for some reason, in the middle it goes into "slow-motion".
It then speeds back up to normal speed at the end.
The screenshot below is when I view the output MP4 in QuickTime. At the
bottom, you can see a "frame bar" (not sure what it's officially called).
The middle part is the part where it slows down.
[image: Inline image 1]
Command I used to convert:
./ffmpeg -i inputWebm out.mp4
The input video is here
The output is here
Does anyone know why the output video slows down in the middle? Because
when I view the input file, the "slow down in middle" issue does not happen.
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