Q4OS Forum

guidol

Member

Registered: 2017-05-15

Posts: 5

MPG2 HW-decoding in Q4OS for Raspberry (and Pine64)?

Is there Support for the MPG2 Hardware-decoding via the MPG2 License?

Normally  - at the Pi - you could enable Hardware-decoding support for the Pi if you include the Line

decode_MPG2=0x32778637

where 0x32778637 is the right license number for the serial number of your Pi Serial-Number
(  http  :  //  www  .  raspberrypi.com  /  mpeg-2-license-key  /  )

I did buy the license for my Pi3 and included it in the /boot/config.txt
but the VLC inside Q4OS does seem to use it

I checked the status of the HW-MPG2 support at the command-line via
==> vcgencmd codec_enabled MPG2
succesfull = enabled

I wonder why this doenst work, because inside the Chromium Browser the Youtube-Video are played fine.

BTW: Anybody did test this on a Pine64? Is there Video-playback HW-decodig? (because I ordered a Pinebook...)

guidol

Member

Registered: 2017-05-15

Posts: 5

Re: MPG2 HW-decoding in Q4OS for Raspberry (and Pine64)?

in raspi-config -> advanced Options I activated the experimental GL-Driver.
After that I selected for VLC as Video-Driver "OpenGL for Embedded Systems video output"
and the Video work better....BUT
the desktop GUI would not work OK

Much flickering, defective GUI with black lines and non-working GUI-Menu

If I switch back to non-GL-Driver the Desktop is OK, but couldnt play videos bigger like a stamp (I think that is software-decoding of the video)

guidol

Member

Registered: 2017-05-15

Posts: 5

Re: MPG2 HW-decoding in Q4OS for Raspberry (and Pine64)?

as alternative I did tr/instally MPlayer via KMPlayer (KDE GUI) via Synaptic.
This did work for some videos  - with the non-GL Driver.
But MPlayer couldnt open all video like VLC (like *.mp4 and some .avi - OK thats all container-formats)

I installed the Codecs at the Q4OS Startup Menue - but these doesnt seem to help MPlayer...
Are there additional codec packages?

guidol

Member

Registered: 2017-05-15

Posts: 5

Re: MPG2 HW-decoding in Q4OS for Raspberry (and Pine64)?

KMplayer has a problem to start .MP4 files
BUT MPlayer at the commandline do play .MP4 with the options -vo x11

So I installed SMPlayer - another GUI-FrontEnd.
There I configured Video as X11 , Audio as ALSA (not Pulse) and set the Framedrop to on and deinterlace to none....

So I can view more videos - more fluid but without real GL-Driver not in Fullscreen BUT bigger than a stamp....

Also some results for the first day

q4osteam

Q4OS Team

Registered: 2015-12-06

Posts: 4,230

Website

Re: MPG2 HW-decoding in Q4OS for Raspberry (and Pine64)?

Q4OS on RPi is based on Raspbian distribution and its repositories, so any application, for ex. VLC, will work the same way as in Raspbian. As far as we know, Raspbian experimental GL-Driver doesn't work well so far. Regarding the Pinebook, there is an initial 'vdpau' support in Q4OS available.