st/va: disable MPEG4 by default v2
The workarounds are too hacky to enable them by default
and otherwise MPEG4 doesn't work reliably.
v2: add docs/envvars.html, CC stable and fix typos
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> (v1)
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu> (v1)
Cc: "11.1.0" <mesa-stable@lists.freedesktop.org>
diff --git a/docs/envvars.html b/docs/envvars.html
index 1b2c03e..5bb7b1e 100644
--- a/docs/envvars.html
+++ b/docs/envvars.html
@@ -238,6 +238,12 @@
</ul>
+<h3>VA-API state tracker environment variables</h3>
+<ul>
+<li>VAAPI_MPEG4_ENABLED - enable MPEG4 for VA-API, disabled by default.
+</ul>
+
+
<p>
Other Gallium drivers have their own environment variables. These may change
frequently so the source code should be consulted for details.