[mythtv-users] Mythfrontend on Raspberry 4 running Ubuntu 20.04 (32bit)

[Greg Oliver]

On Sat, Aug 8, 2020 at 4:35 PM Greg Oliver <oliver.greg at gmail.com> wrote:

> On Sat, Aug 8, 2020 at 4:31 PM Greg Oliver <oliver.greg at gmail.com> wrote:
>
>> On Sat, Aug 8, 2020 at 4:26 PM Jim Abernathy <jfabernathy at gmail.com>
>> wrote:
>>
>>> On 8/8/20 1:30 PM, Greg Oliver wrote:
>>>
>>> On Sat, Aug 8, 2020 at 12:13 PM James Abernathy <jfabernathy at gmail.com>
>>> wrote:
>>>
>>>> So I'm really bored today and recently discovered that the Raspbian
>>>> Imager can create an SD card with Ubuntu 20.04 either 32 or 64 bits.
>>>>
>>>> Turns out it's the server version, no desktop environment.
>>>>
>>>> I thought why not try to install mythfrontend on it.  I first tried
>>>> mythtv-light and it would not install due to some dependencies. So then I
>>>> tried:
>>>> sudo apt install mythtv-mythfrontend; which did install.  I rebooted
>>>> and noticed that it had installed a limited ubuntu desktop with just a few
>>>> apps including mythfrontend.
>>>>
>>>> So I ran it and it worked. I picked the same audio I'd pick for the
>>>> raspbian version and for Video, I didn't see MMAL, so I picked V4L2 and set
>>>> up to do standard, 4 CPUs and opengl.
>>>>
>>>> I'm surprised that it worked.  The video isn't bad particularly since
>>>> I'm running mythfrontend on top of a desktop environment.
>>>>
>>>> I tried setting the default boot to multi-user and rebooting without a
>>>> desktop but I couldn't get mythfrontend to run using:
>>>>
>>>> QT_QPA_EGLFS_ALWAYS_SET_MODE="1" QT_QPA_PLATFORM=eglfs mythfrontend
>>>>
>>>> It couldn't find a drm device or something.
>>>>
>>>> Also it ran the mythfrontend version from March while the x86_64
>>>> version is up to  an August version.
>>>>
>>>> Anyway it's interesting what I've stumbled on.
>>>>
>>>> Jim A
>>>>
>>>
>>> If you have the 4GB Pi, I would recommend loading Android on it -
>>> Lineage OS has a port for it on XDA.  That gives you a lot more options for
>>> other players.
>>>
>>> Note: I have not tried this yet, but plan to as soon as I get my other
>>> Android TV device working.
>>>
>>> The folks online who have tried this are not too keen on the video
>>> performance.  I may try it anyway just to see.
>>>
>>> Jim A
>>>
>>
>> Yeah - I had not read that far into it yet, but I did read that Lineage
>> had an accelerated driver for it I thought.  Maybe I had already fallen
>> asleep and it was a dream though :)
>>
>> I'll probably give it a whirl tomorrow morning - I am Android'ed out
>> today working on this bastardized AT&T TV box I got.
>>
>> -Greg
>>
>
> Looks like 17.1 has accelerated video :
>
> https://www.xda-developers.com/developer-ports-lineageos-17-1-based-on-android-10-to-the-raspberry-pi-4-b-3-b-and-3-b/
>
> From the page ::
>
> The complete list of working features includes the following:
>
>    - Audio (HDMI, 3.5mm jack, USB microphones, bluetooth
>    speakers/headsets, etc)
>    - Audio DAC (using PCM512x DACs e.g. Hifiberry DAC+)
>    - Bluetooth
>    - Camera (using official Pi camera modules & UVC USB webcams with
>    SwiftShader software renderer)
>    - GPIO
>    - GPS (using external USB modules e.g. U-Blox 7)
>    - Ethernet
>    - Hardware accelerated graphics (V3D/VC4)
>    - HDMI display
>    - I2C
>    - IR remotes (using external GPIO IR modules e.g. TSOP4838)
>    - RTC (using external GPIO I2C modules e.g. DS3231)
>    - Serial console (using external GPIO serial console adapters e.g.
>    PL2303)
>    - SPI
>    - Touchscreen/multi-touch (using official 7” display with SwiftShader
>    software renderer)
>    - USB (mouse, keyboard, storage, etc)
>    - Wi-Fi
>    - Wi-Fi tethering
>
>
Well, I see that the "actual" download post has hardware acceleration as
not-working..  I guess I'll see tomorrow.
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