[mythtv-users] Radeon HD 6250 and 1080p content

[glen]

On 01/10/2014 01:16 AM, Warpme wrote:
> On 10/01/14 03:21, Rich West wrote:
>> I had noticed that my Foxconn frontends with their AMD E-450's and the
>> Radeon HD6250's were playing choppy 1080p video.  My 720p or 1080i 
>> content
>> plays just fine.  Digging into it, I realized that all of the 
>> decoding is
>> being done on the software level and the processor was running around
>> 110%-145% (consuming one core plus part of the other) when attempting to
>> play 1080p content.
>>
>> Playing other content is fine because mythfrontend only peaks around 
>> 80% CPU.
>>
>> So.. knowing that the graphics card supposedly can handle it, I set 
>> out to
>> give it a shot, but I wasn't successful.  I followed
>> https://fedoraproject.org/wiki/Fglrx to get the driver installed and it
>> appears to be loaded, and I've tried just about every possible setting
>> (obviously, vpdau doesn't work on ATI cards), but they all play 
>> *worse* than
>> the non proprietary driver.
>>
>> Anyone have any success on this front?  It would be great to hear 
>> what has
>> worked for folks!
>>
>> Thanks!
>> -Rich
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> Rich,
>
> 4250 is only UVD2 capable. In case of H264 hw decode support with FOSS 
> route (dri2/mesa/vdpau) You need UVD2.2+. I believe issue is related 
> to intellectual property AMD wants to protect during opening HW spec 
> to FOSS world. They are doing this by moving IP critical hw-driver 
> interactions from driver BLOB (like fglrx) to firmware. At this stage  
> - for UVD2 hardware - AMD moved only mpeg2. There is promise for H264 
> - but since months there is not big progress. I personally think lack 
> of resources + potential cannibalization of UVD2.2+ sales are 
> additional slowing down factors here.
> I'm working on AMD/ATI hw decode in Minimyth2 
> (http://minimyth2.linuxd.org). I tested it on 4250 (as only this hw I 
> have for tests) and results are giving me production quality system 
> for mpeg2 content. H264 on 4250 isn't supported by current firmware - 
> so playback correctly switches to software decode.
> Lets hope AMD will move forward with UVD2 hardware support...
> br
>

he is talking about 6250 not 4250, it is fully supported in uvd and 
works fine.
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