Am 26.03.19 um 15:56 schrieb Ulf Zibis: > I'm trying to benchmark -vf fillborders (added the timer code in > vf_fillborders.c), so Carl Eugen's suggestion to use /dev/zero as input > would not make sense. I'll try with "-f null -". Again only 1 runs (also with "-stream_loop 1024"). -Ulf