notes regarding the vsync and h264, vp8, vp9

README.md

@@ -5,3 +5,28 @@ Launching the Google Chrome
 ```
 docker-compose up -d
 ```
+
+Good & stable vsync
+```
+chrome://flags/
+Enable "Override software rendering list"
+```
+Note that /dev/shm should be mounted from host to the docker container.
+
+
+Check
+```
+chrome://gpu/
+```
+
+You may want to disable Google's VP8 & VP9 video codecs: "MSE & WebM VP9" and "WebM VP8"
+as there is no hardware decoding for them.
+To do this, install h264ify extension from
+```
+https://chrome.google.com/webstore/detail/h264ify/aleakchihdccplidncghkekgioiakgal?hl=en-US
+```
+
+Check the codecs
+```
+https://www.youtube.com/html5
+```

docker-compose.yml

@@ -9,8 +9,8 @@ services:
       - pulseaudio
     devices:
       - /dev/dri
-      # - /dev/shm
     volumes:
+      - /dev/shm:/dev/shm
       - /tmp/.X11-unix:/tmp/.X11-unix
       - /tmp/krb5cc_1000:/tmp/krb5cc_1000:ro
       - /var/run/cups:/var/run/cups:ro