[mythtv-users] leanfront no audio on FireTV

[Peter Bennett]

On 1/27/20 11:41 AM, Peter Bennett wrote:
>
>
> On 1/26/20 9:45 PM, OpenMedia Support wrote:
>>> I'm running a Third generation Fire TV Pendant Model with the android
>> and leanback MythTV Frontends.
>>> The Android frontend has working audio
>>> (mythfrontend-20190625-arm-v30.0-60-gb9c1b41a6c0.apk ) but the latest
>> leanback version has no audio (leanfront-v0-91-g72cfd86_d.apk).
>>> I've also tried the older leanfront-v0-86-g57612f1_d.apk which still
>> doesn't play audio.
>>> The files I'm playing are MPEG-2 TS Streams with MP2 audio.
>>>
>>> Anyone else seeing this issue with the leanback gui?
>> I've just tested with some generic MP4/MPV files with AAC or AC3 
>> audio and
>> those work so the issue appears to be MP2 audio.
>>
>>
>>
>>
>>
> I tried some files with MPEG audio on the fire stick 4K and the audio 
> does not play, as you have reported.
>
> leanfront uses only the formats that are supported by the android 
> device hardware. I have not included any software decoding support.
>
> Supported formats are listed here 
> https://developer.amazon.com/docs/fire-tv/device-specifications-fire-tv-stick.html
>
> This has not been a problem for US broadcasts, but it clearly is a 
> problem for other countries. I will take a look at it and see what can 
> be done.
>
> Peter
>
>
FYI I tried the same recordings with leanfront on the Shield and they 
work fine there. The shield supports MPEG-2 audio but does not support 
AC-3 except for pass-through, while the fire stick supports AC3 decoding 
but not MPEG-2 audio.