[FFmpeg-user] Read mp4 video from pipe

Carl Eugen Hoyos cehoyos at ag.or.at
Fri Jun 17 21:30:25 CEST 2016

kolychev <kolychev <at> speechpro.com> writes:

> I need to read video from pipe, cut into frames and send them 
> to pipe. I have a video file video.mp4.

You generally cannot pipe mov (or mp4) files unless you used 
-movflags +faststart when encoding or if run tools/qt-faststart 
on the input file before piping it.

Carl Eugen

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