[mythtvnz] H264 Performance - Patch to enable skip loop filtering and use 2 threads.

[Steven Ellis]

On 14/09/2008, at 7:10 PM, Andrew Richards wrote:

> Steve,
>
> It is a 5200 X2 (2.6GHz). It uses around 60% CPU on TV3 and is capable
> of 1080i playback using the PowerDVD8 codec under Windows.

The 60% will be combined across the 2 CPUs so one core is running  
100%. As ffmpeg's H.264 decoder still doesn't thread well enough it  
isn't going to use the other core to do enough decoding for playback  
to be smooth. PowerDVD's coded will either hardware accel or use both  
cores.

Steve

>
>
> Andrew
>
> Steven Ellis wrote:
>>
>> On 14/09/2008, at 12:51 AM, Andrew Richards wrote:
>>
>>> Hey all,
>>>
>>> I am bringing this topic back up as I have been working to apply the
>>> skiploopfilter patch, and after having gone through the process I
>>> still have skipping on TV3. So I would like to knwo if I have made
>>> the correct changes to the code, and how I can check that my new
>>> build has skiploopfilter applied.
>>>
>>> The details of what I have done are at TechReport
>>> <http://techreport.com/forums/viewtopic.php?f=7&t=61663> and my blog
>>> <http://www.geekzone.co.nz/amphibem>, here is a simplied version:
>>>
>>
>> Andrew - What spec is your CPU?
>>
>> Steve
>>
>>
>> Steven Ellis - Technical Director
>> OpenMedia Limited
>> email   - steven at openmedia.co.nz <mailto:steven at openmedia.co.nz>
>> website - http://www.openmedia.co.nz <http://www.openmedia.co.nz/>
>>
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Steven Ellis - Technical Director
OpenMedia Limited
email   - steven at openmedia.co.nz
website - http://www.openmedia.co.nz

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