#!/bin/bash fn=`basename "$1"` for th in 1 2 3 4; do time ./ffmpeg_g -threads $th -flags2 +fast -vsync 0 -y -t 30 -i "$1" -an -f framecrc "crc/$fn-$th.txt" >/dev/null 2>&1 done ./ffmpeg_g -threads 1 -y -t 10 -i "$1" -an -f framecrc "crc/$fn-1-vsync.txt" >/dev/null 2>&1 ./ffmpeg_g -threads 3 -y -t 10 -i "$1" -an -f framecrc "crc/$fn-3-vsync.txt" >/dev/null 2>&1 md5 "crc/$fn-"[1234].txt echo md5 "crc/$fn-"*vsync.txt