Differences

This shows you the differences between two versions of the page.

--- wlanhacking [2022/02/14 19:13] – [iperf] 188.106.43.97
+++ wlanhacking [2022/03/02 21:19] (current) – [ffmpeg] 178.3.198.211
@@ Line 1: / Line 1: @@
+==== ffmpeg ====
+  trim
+  ffmpeg -i my_video.mp4 -ss 00:00:15 -t 00:00:10 -async -1 clip.mp4
+  https://unix.stackexchange.com/questions/28803/how-can-i-reduce-a-videos-size-with-ffmpeg
+  reencode lower qulaity crf 18-28 is sane, lower crf is higer quality
+  ffmpeg -i input -c:v libx264 -preset slow -crf 22 -c:a copy output.mkv
+  https://trac.ffmpeg.org/wiki/Encode/H.264
+==== LAPTOP Akku state ausgeben ====
+  upower -i /org/freedesktop/UPower/devices/battery_BAT0
+==== drive speed test ====
+  sudo hdparm -tT --direct /dev/sda
 ==== iperf ====