From 37ca4ea2ba6ddd6261ae0f5fe4df4117b171cd0f Mon Sep 17 00:00:00 2001
From: Andrey Arapov <andrey.arapov@nixaid.com>
Date: Thu, 24 Mar 2016 00:13:04 +0100
Subject: [PATCH] notes regarding the vsync and h264, vp8, vp9

---
 README.md          | 25 +++++++++++++++++++++++++
 docker-compose.yml |  2 +-
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index d8fad7a..74bd08a 100644
--- a/README.md
+++ b/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
+```
diff --git a/docker-compose.yml b/docker-compose.yml
index 7a44507..a626fba 100644
--- a/docker-compose.yml
+++ b/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