2016-10-25 2:10 GMT+02:00 YIRAN LI <mrfun.china at gmail.com>: > could you help to confirm me, if the command > "ffmpeg.exe -v error -i a.mp4 -threads 0/1/2/3/4 -f null - 2>error.log" > can do video decoding ? I don't understand this question, sorry. Carl Eugen