ffmpeg/ffmpeg -i 5.mkv -c:v libx264 -b:a 192k -ac 2 -ar 48000 -pix_fmt yuv420p -b:v 15000k -bf 0 -refs 1 -threads 0  -max_muxing_queue_size 9999 -slices 24 -x264opts "no-cabac:aq-mode=1:aq-strength=0.7:slices=24:direct=spatial:me=tesa:subme=8:trellis=1" -flags +global_header 5.mp4