[FFmpeg-devel] [PATCH] ffmpeg: modify tty state when stderr is redirected

Michael Niedermayer michael at niedermayer.cc
Sat Aug 1 04:15:22 CEST 2015

On Fri, Jul 31, 2015 at 10:51:31AM +0200, Nicolas George wrote:
> Le tridi 13 thermidor, an CCXXIII, Michael Niedermayer a écrit :
> > no disagreement here but as the shell does not do that (well at least
> > not bash here)
> > it causes moderate inconvenience to the developers
> > in everyday work if the terminal needs to be reset after a fate
> > failure
> And what happens after a FATE failure? Based on my experience, frequently,
> developers would copy-paste the failing FATE command line and re-run it
> interactively. And since stderr is no longer redirected, the tty gets
> trashed.
> No need of a failure, even: just try this:
> ffmpeg -lavfi testsrc -f framecrc | head
> ... ffmpeg is killed by SIGPIPE, which is not caught: terminal trashed.

Thats interresting, i tried this and it did not trash my terminal
also ive almost never seen ffmpeg trash my terminal with the current
code. No matter how i run it

GNU bash, version 4.2.25(1)-release (x86_64-pc-linux-gnu)


Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Avoid a single point of failure, be that a person or equipment.
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