testing method to mark in and out of video using ffplay to support an edit

markinout.sh

#!/bin/bash
# edit

mknod /tmp/stats p > /dev/null 2>&1
trap 'rm /tmp/stats' 0
printf "Enter a file: "
read input
echo "OK will try to play it."
ffplay "$input" -vf "showinfo,scale=360:240,split=3[v1][v2][v3],[v1]pad=iw*3[pad],[v2]setpts=PTS-0.5/TB[d1],[pad][d1]overlay=w[pad2],[v3]setpts=PTS-1/TB[d2],[pad2][d2]overlay=w*2" 2>&1 | tr '\r' '\n' > stats &
echo "Should be playing now."
echo "
       q, ESC                        Quit.
       f                             Toggle full screen.
       p, SPC                        Pause.
       a                             Cycle audio channel.
       w                             Show audio waves.
       left/right                    Seek backward/forward 10 seconds.
       down/up                       Seek backward/forward 1 minute.
       page down/page up:            Seek backward/forward 10 minutes.
       mouse click in player window: Seek to percentage in file corresponding to fraction of width.
       "
printf "Find an in point and then hit enter: "
read ok
in=`tail -n 100 stats | grep -o pts_time:[0-9.]* | tail -n 1 | cut -d: -f2`
echo "The in time is $in"

printf "Find an out point and then hit enter: "
read ok
out=`tail -n 100 stats | grep -o pts_time:[0-9.]* | tail -n 1 | cut -d: -f2`
echo "The out time is $out"