On Mon, 16 Mar 2015, Tim Beyer wrote:
I am running Jon Severinsson's PPA on Ubuntu 14.04 in a screened process -
it is a player that reads video files out of a folder, randomly. The whole
process goes through a while loop. In the screen session the switchting
between files works fine - but I can't detach with crtl+a and d or with q -
it is starting the process again. When I try to detach afterwards with
ctrl+c from screen, it waits a while and kicks me back into the ffmpeg
process. If I just close the terminal, ffmpeg crashes when the next
file-change comes. Same, when I try starting the screen already detached,
or if I forward the process to dev/null and into a log.
I'm not 100% sure what you want the end result to be, but I don't think your
script does what you think it does.
you're creating a series of screen sessions named "VOD". Each one of those
sessions has a single window. You can't switch between them, because they exist
sequentially.
It sounds like you want a single screen session, with each video in a separate
window so you can switch between them.
You're doing the while loop, so that after all of the files are opened and you
exit/detach the screen session, the whole thing starts over again in a new
screen session.
If that is what you want, this will likely work:
#!/bin/bash
while true
do
# Start the screen (w/one shell window) but instantly detach it
screen -dmS vod
for file in $(ls * | shuf -n 1)
do
# For each file, create a window in the running screen,
# named with the filename, and running the ffmpeg command
screen -S vod -X screen -h 0 -t "$file" ffmpeg -re -i "$file" \
-acodec copy -vcodec copy -f flv ServerAddress
done
# Delete the useless shell in the first screen window
screen -S vod -p 0 -X kill
# Attach to the screen for actual access of the running processes
screen -r vod
done
If that wasn't what you wanted, then enjoy my useless code.:)
Luke
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