*scratch*.el

ffmpeg -i /var/tmp/dev_videos/dev/413/0.mp4  -vf "setpts=PTS-STARTPTS, showinfo" -f null - 2>&1 | awk '/pts/{print $NF}' > pts.txt
LD_LIBRARY_PATH="" nr gnuplot -e "plot 'pts.txt' with lines"


ffmpeg -f concat -safe 0 -i ~/temp/concat_filelist.txt -c copy output.mp4


ffprobe -v error -select_streams v:0 -show_entries stream=r_frame_rate,nb_frames,duration -of default=noprint_wrappers=1:nokey=1 ~/temp/output2.mp4


ffmpeg -i /var/tmp/dev_videos/dev/413/0.mp4 -c copy output2.mp4