On 06/07/2019 09:25, James Harris wrote:

>> VLC is clearly already using H.264 hardware decode at 1080. I guess HEVC
>> hardware decode will come with time. I haven't seen any mention of vp9
>> and of course av1 is a potential in the near future.
>
> I'm not sure I understand that. Do you mean that the Pi has hardware
> which will do - or will help with - HEVC decode but VLC doesn't take
> advantage of it yet?
>

Yes, VLC doesn't use it now but probably will in future. LibreElec may
already be set up to use hardware HEVC.

>>
>> The main problem is that Chromium isn't using gpu support.
>>
>> I could show the output of typing chrome://gpu into chromium, if anyone
>> is interested.
>
> Please do.
>

Graphics Feature Status
Canvas: Software only, hardware acceleration unavailable
Flash: Software only. Hardware acceleration disabled
Flash Stage3D: Software only. Hardware acceleration disabled
Flash Stage3D Baseline profile: Software only. Hardware acceleration
disabled
Compositing: Software only. Hardware acceleration disabled
Multiple Raster Threads: Enabled
Native GpuMemoryBuffers: Software only. Hardware acceleration disabled
Out-of-process Rasterization: Disabled
Hardware Protected Video Decode: Disabled
Rasterization: Software only. Hardware acceleration disabled
Skia Renderer: Disabled
Surface Control: Disabled
Surface Synchronization: Enabled
Video Decode: Software only. Hardware acceleration disabled
Viz Service Display Compositor: Enabled
WebGL: Software only, hardware acceleration unavailable
WebGL2: Software only, hardware acceleration unavailable
Problems Detected
Native GpuMemoryBuffers have been disabled, either via about:flags or
command line.
Disabled Features: native_gpu_memory_buffers
Skia renderer is not used by default.
Disabled Features: skia_renderer
Version Information
Data exported 2019-07-06T18:28:56.621Z
Chrome version Chrome/74.0.3729.157
Operating system Linux 4.19.50-v7l+
Software rendering list URL
https://chromium.googlesource.com/chromium/src/+/7b16107ab85c5364cdcd0b2dea2539
a1f2dc327a/gpu/config/software_rendering_list.json
Driver bug list URL
https://chromium.googlesource.com/chromium/src/+/7b16107ab85c5364cdcd0b2dea2539
a1f2dc327a/gpu/config/gpu_driver_bug_list.json
ANGLE commit id unknown hash
2D graphics backend Skia/74 ae4b97edd5b9eeee9e4fe9814f67e3abc4ba1a75-
Command Line /usr/lib/chromium-browser/chromium-browser-v7
--disable-quic --enable-tcp-fast-open
--ppapi-flash-path=/usr/lib/chromium-browser/libpepflashplayer.so
--ppapi-flash-args=enable_stagevideo_auto=0
--ppapi-flash-version=32.0.0.207 --disable-gpu --enable-pinch
--flag-switches-begin --ignore-gpu-blacklist --flag-switches-end

[snip]

> Since 4k panels are so prevalent I guess 4k is the way to go so I went
> into PC World yesterday to see some examples of what that would look
> like in practice. But to my surprise they did not even have one example
> of such a setup in place. 4k TVs but no 4k monitors connected to computers.
>

Have you considered using a 4k TV as a monitor?

--- SoupGate-Win32 v1.05