[mythtv] [mythtv-users] Playback performance [all platforms]

David Abrahams dave at boost-consulting.com
Wed Jan 11 21:31:17 UTC 2006


Geoffrey Kruse <gkruse at gmail.com> writes:

> On Jan 9, 2006, at 7:42 PM, Joshua King wrote:
>
>> On 10/1/06 7:30 AM, "Nigel Pearson" <nigel at ind.tansu.com.au> wrote:
>>
>>>
>>> Last April, Benjamin Hulley told me about a hack which opens an
>>> interface to the hardware DVD decoding:
>>> http://www.defyne.org/dvb/accellent.html To my shame, I haven't
>>> had the time to explore, though.
>>>
>>
>> Interesting that you mention that -- I've been following Accellent
>> over the last couple of days it has seen a big jump, going to try
>> it on my Macs tonight. Basically it allows for the graphics card to
>> accelerate MPEG2 PS recordings just like DVD Player does (which I
>> use rather than mythfrontend unfortunately). Not sure how useful it
>> would be for Myth, given we have a complex OSD. On the positive,
>> Accellent also uses ffmpeg. Check the forums (News and
>> Announcements and Developer) on http://defyne.org/dvb for more
>> info.
>>
>
> There is also some excellent Apple written example code at  
> developer.apple.com that explains line by line how to hand video  
> frames to core video.  Once they are there, you can do things like  
> deinterlacing etc using hardware accelerated openGL.  I also think  
> the corevideo playback is opengl based.  It is supposed to be really  
> fast, I'm just not able to wrap my head around both the mythtv and  
> Apple  code.
>
> Geoff
>
> (ps) I can find a direct link to the code if anyone is interested,  
> I'm just being lazy at the moment.

I guess I'm interested.

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com


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