Merge branch 'master' of https://github.com/ReproNim/reprostim

* 'master' of https://github.com/ReproNim/reprostim:
  do provide -pix_fmt yuv420p since otherwise cannot even playback them later
  Change video codec for capture to be libx264 with loseless options

Capture/videocapture/config.yaml

@@ -43,8 +43,8 @@ ffm_opts:
   #
   #v_dev: "/dev/video4"
   v_dev: "auto"
-  v_enc: "-c:v copy"
-  pix_fmt: ""
+  v_enc: "-c:v libx264 -preset veryslow -crf 0"
+  pix_fmt: "-pix_fmt yuv420p"
   n_threads: ""
   a_enc: "-acodec aac"
   out_fmt: "mkv"