ffmpeg -i eingabedatei -an -pass 1 -s 640x360 -aspect 16:9 -vcodec libx264 -vpre slow_firstpass -flags2 +wpred -sc_threshold 40 -b_strategy 1  -g 250 -keyint_min 25 -me_method esa -me_range 18 -subq 1 -partitions all -flags2 +dct8x8 -bf 5 -directpred auto -trellis 1 -flags2 +wpred -b 500k -bt 500k -qcomp 0.6 -threads 0 > /dev/null

 ffmpeg -i eingabedatei -acodec libfaac -ar 44100 -ab 128k -async 2 -pass 2 -s 640x360 -vcodec libx264 -vpre slow_firstpass -flags2 +wpred -sc_threshold 40 -b_strategy 1  -g 250 -keyint_min 25 -refs 5 -me_method esa -me_range 18 -subq 5 -partitions all -flags2 +dct8x8 -bf 5 -directpred auto -trellis 1 -flags2 +wpred -b 500k -bt 500k -qcomp 0.6 -threads 2 output.mp4