[mythtv-users] [mythtv] Mediacodec problem with fire stick 4K

John jksjdevelop at gmail.com
Thu Dec 6 12:31:43 UTC 2018

On 06/12/2018 09:56, John Pilkington wrote:
> On 06/12/2018 08:20, John wrote:
>> On 06/12/2018 00:01, Peter Bennett wrote:
>>> On 12/5/18 6:13 PM, Aman Gupta wrote:
>>>> I've gotten reports that this freeze issue also happens with h264 
>>>> MediaCodec decoding on the 4K Stick, which further suggests this is 
>>>> an issue with ffmpeg's mediacodec wrapper.
>>> I have been running mediacodec playing h264 video on a fire stick 4K 
>>> for a few hours each day for a couple of weeks and I have not seen 
>>> any freeze.
>>> Peter
>> High thanks Peter for the great work on the firestick 4k. Mine is not 
>> reliable but that is possibly due to the local broadcast standard. I 
>> am receiving UK DVB-S2 from Astra 28.2 - Freesat which is 1280i 50Hz. 
>> Could you release a 32 bit binary of the latest build so I can 
>> retest. Incidentally I am displaying on a UHD TV, will try forcing it 
>> into HD when testing next time.
>> Has anybody else got reliable operation with UK broadcast standard?
> After my initial fumblings mine is giving excellent results with 
> DVB-T/T2 recordings and 'Videos' created from them, playing on an 
> 1920x1080 TV.  I don't have content or hardware for 4k, but bought 
> that model because it seemed likely to be more capable.
> I have had it doing all that with software decoding, because h264 
> post-processed by my experimental ffmpeg-based cutting program did, 
> IIRC, cause hangs at some cuts.  At present the h264 stuff is failing 
> anyway, but I'm almost sure that's because I have strayed in some way 
> from the recommended settings.
> I don't think mythfrontend is affected by the 20-minute timeout when 
> using a browser, which I mentioned in another thread, but I reset that 
> to 5 hours and the tv timed out instead.
> John P
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Thanks for the info works great using OpenGL High Quality. Just spent an 
hour trying to brake it using live tv - no issues. 50% CPU load barely 
gets warm. Have not changed any screen saver settings. At the end 
changed to mediacodec hardware decoding, that hung within 5 mins but its 
not needed. Note no judder when scrolling.

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