Sun, 6 Apr 2014 04:40:51 -0700 от Kevin Mitchell <[email protected]>:
> 
> This poroblem is only exhibited on an Ivy Bridge machine. A comparably 
> configured Sandy Bridge machine decodes as expected with the first command in 
> all cases.
> 
> Any Ideas?

I have the same issue on Ivybridge machine. It was started with Mesa upgrade to 
10.1 (in Debian).
Don't know why, but it's somehow affected by GLX depth buffer. And this patch 
at least hides an issue:

diff -ur libva-1.3.0-orig/va/glx/va_glx_impl.c libva-1.3.0/va/glx/va_glx_impl.c
--- libva-1.3.0-orig/va/glx/va_glx_impl.c       2014-03-24 12:03:33.000000000 
+0400
+++ libva-1.3.0/va/glx/va_glx_impl.c    2014-04-11 10:59:48.000000000 +0400
@@ -500,6 +500,7 @@
         GLX_RED_SIZE,           8,
         GLX_GREEN_SIZE,         8,
         GLX_BLUE_SIZE,          8,
+        GLX_DEPTH_SIZE,         24,
         GL_NONE,
     };
     for (attrib = fbconfig_attrs; *attrib != GL_NONE; attrib += 2)


> 
> Kevin
> 
> [1]  http://mpv.io/
> Debian Bug #743701  
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=%23743701
> 

---
Rinat
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