HD with Xvideo on i915GM (i810 driver)

Ken Mandelberg km at mathcs.emory.edu
Fri Oct 20 22:53:14 PDT 2006


Alan Hourihane wrote:
> On Wed, 2006-10-18 at 23:29 -0700, galenz at zinkconsulting.com wrote:
>> On Oct 18, 2006, at 10:11 PM, Jeffrey W. Baker wrote:
>>
>>> On Thu, 2006-10-19 at 00:33 -0400, Ken Mandelberg wrote:
>>>> I find that all of the video players (vlc, xine, mytthv) can't  
>>>> display
>>>> HD video on my Intel 915GM based laptop running with the i810 driver.
>>>> xine and myth show blue screens, vlc reports
>>>>
>>>> X Error of failed request:  BadAlloc (insufficient resources for  
>>>> operation)
>>>>    Major opcode of failed request:  142 (XVideo)
>>>>    Minor opcode of failed request:  19 ()
>>>>
>>>>
>>>> I imagine all of them are seeing the same issue with XVideo at HD
>>>> resolution. The problem is independent of the resolution of the  
>>>> display,
>>>> and is function of the source resolution.
>>>>
>>>> Any way around this?
>>> Yes, it's in the manual page:
>>>
>>>        Option "LinearAlloc" "integer"
>>>               Allows  more memory for the
>>>               offscreen  allocator.  This
>>>               usually helps in situations
>>>               where   HDTV   movies   are
>>>               required  to  play  but not
>>>               enough offscreen memory  is
>>>               usually available. Set this
>>>               to 6144 for upto  1920x1080
>>>               HDTV  support.  Default 0KB
>>>               (off).
>> Jeff's advice is correct. I have the same hardware and this will get  
>> 720p working beautifully. However, on FC5 with the same hardware, I  
>> can't get 1080i playing with XVideo. I am curious how things work out  
>> for you.
> 
> Make sure you are using the latest driver 1.7.2 for 1080 support.
> 
> Alan.

LinearAlloc 6144 got me up to 720P as well. But I'm running the latest 
modsetting branch driver

  git://git.freedesktop.org/git/xorg/driver/xf86-video-intel

and have the 1080i problem.  I don't know the relationship of this to 
1.7.2. Any advise?



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