[FFmpeg-devel] [PATCHv2] ffmpeg: modify tty state when stderr is redirected

[wm4]

On Mon, 12 Oct 2015 08:14:14 -0400
Ganesh Ajjanagadde <gajjanag at mit.edu> wrote:

> On Mon, Oct 12, 2015 at 8:03 AM, Michael Niedermayer
> <michael at niedermayer.cc> wrote:
> > On Mon, Oct 12, 2015 at 01:46:19PM +0200, Michael Niedermayer wrote:
> >> On Fri, Jul 31, 2015 at 01:48:18PM +0200, Nicolas George wrote:
> >> [...]
> >> >    -> "ttyctl -f" in ~/.zshrc, "bash_tty_mode=$(stty -g);
> >> >    PROMPT_COMMAND='stty $bash_tty_mode'" in ~/.bashrc; that can be added in
> >> >    the FAQ or the wiki.
> >>
> >>
> >> the patch was applied and this does not work
> >>
> >> the first segfault i see breaks the terminal
> >>
> >> a testcase is a script like:
> >> #!/bin/sh
> >> valgrind ./ffmpeg_g -i matrixbench_mpeg2.mpg -encryption_key 0123456789abcdef0011223344556677  -encryption_iv aabbccddeeff11335577999876542222  crypto:file-crypt.nut
> >>
> >> (with the aesni patches or anything else that causes a segfault)
> >>
> >> ls -alF /bin/sh
> >> lrwxrwxrwx 1 root root 4 Mar 29  2012 /bin/sh -> dash*
> >> (this is default on ubuntu)
> >
> > i think i got it working as long as bash is the users shell with
> > the suggested stty commands
> 
> So it does not work with dash?

dash isn't meant to be used interactively anyway?