On 06/11/2020 10:11 am, Pancho wrote:
> On 05/11/2020 21:46, Yes wrote:
>> I'm thinking of buying the Pi 4 to use for web surfing and watching
>> anime and YouTube videos.  I don't have any intentions to do video
>> editing or other such productivity tasks.
>>
>
> I'm a bit confused by the other responses. I tested Raspbian desktop on
> my Pi4 4GB just over a year ago and it wasn't utilising hardware
> graphics acceleration in the Chrome ("Chromium"?) browser. HD video,
> fullscreen, youtube, was unwatchable in Chrome. None of the other
> browsers seemed better, I think Firefox was "experimental".
>
> Sure, you could set it up to play video with something like KODI that
> does use x264 hardware acceleration (maybe even x265), but the default
> youtube browser experience was unwatchable.
>
> Maybe things have improved in the last year, but I would confirm that is
> true before going ahead. The problems did seem to be software/drivers
> rather than hardware.
>
> I now use my Pi 4 headless.
>
>

According to this:
https://www.raspberrypi.org/forums/viewtopic.php?t=268356

Pi0-3 have hardware accelerated decode for H264, MPEG4, H263, and
through optional codec licences for MPEG2 and VC1.
Pi4 has the same hardware accelerated decode for H264, but not the other
codecs. It also has a separate block for HEVC.

The block for H264 etc can only be accessed via the VPU firmware, which
means either MMAL or IL. That applies to all platforms.

More info at the above URL and here:
https://lemariva.com/blog/2020/08/raspberry-pi-4-video-acceleration-decode-chro
mium



--

Chris Elvidge, England

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