[mythtv-users] HLS take advantage of GPU?

Craig Treleaven ctreleaven at cogeco.ca
Sun Jun 2 00:55:32 UTC 2013


At 7:20 PM -0400 6/1/13, George Nassas wrote:
>On 2013-06-01, at 1:14 AM, Chris Finley <debenbain at gmail.com> wrote:
>
>>  All this talk about new hardware and CPU has me thinking about an
>>  upgrade to the backend.
>>  ...
>>  Does anyone have HLS to a tablet working well - under what conditions?
>
>I do a lot of HLS watching through myth. I found I had to drop the 
>quality way down to get realtime encoding or just preencode the 
>whole show and watch when the encoding job is done. For me quality 
>is more important so I went the preencode route. I was encoding to 
>720x480 at 1300 kbits and got around 15fps on a 2.7 core 2 duo so 
>encoding would take about twice as long as the show ran. Recently I 
>moved to a quad core i7 and it's 3x to 4x faster for the same 
>quality. It's a real screamer. Since you're looking for an excuse to 
>upgrade your myth box like I was...

Thanks for the real-world input, George.  So, I was apparently having 
a wild fantasy about real-time transcoding up to three streams on a 
single processor.  So, when you pre-encode, you'll watch the 
resulting file either on a full-fledged frontend or via HLS on an 
iDevice?

Craig



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