[clug] (no subject) HP DC7800

[Eyal Lebedinsky]

On 02/04/18 15:27, George at Clug via linux wrote:
> Eyal,
> 
> How did you  "ensure VDPAU is active" ?

I noticed that watching a video (e.g. a TV recording) was stressing the CPU.
I then saw mythtv logging an error about a missing
	/usr/lib64/libvdpau_nouveau.so.1.
[sorry, I do not have a log of the error from mythfrontend]

I did have this file but it was in a different directory, probably due to
the (very) long history of my installation.

I had the missing file but here:

$ ls -l  /usr/lib64/vdpau/
total 23032
lrwxrwxrwx 1 root root      25 Nov 11 04:46 libvdpau_nouveau.so.1 -> libvdpau_nouveau.so.1.0.0
lrwxrwxrwx 1 root root      25 Nov 11 04:46 libvdpau_nouveau.so.1.0 -> libvdpau_nouveau.so.1.0.0
-rwxr-xr-x 4 root root 5656376 Nov 11 04:47 libvdpau_nouveau.so.1.0.0
lrwxrwxrwx 1 root root      25 Mar 20 02:11 libvdpau_nvidia.so.1 -> libvdpau_nvidia.so.390.42
-rwxr-xr-x 1 root root  893984 Mar  3 22:29 libvdpau_nvidia.so.390.42
lrwxrwxrwx 1 root root      22 Nov 11 04:46 libvdpau_r300.so.1 -> libvdpau_r300.so.1.0.0
lrwxrwxrwx 1 root root      22 Nov 11 04:46 libvdpau_r300.so.1.0 -> libvdpau_r300.so.1.0.0
-rwxr-xr-x 4 root root 5656376 Nov 11 04:47 libvdpau_r300.so.1.0.0
lrwxrwxrwx 1 root root      22 Nov 11 04:46 libvdpau_r600.so.1 -> libvdpau_r600.so.1.0.0
lrwxrwxrwx 1 root root      22 Nov 11 04:46 libvdpau_r600.so.1.0 -> libvdpau_r600.so.1.0.0
-rwxr-xr-x 4 root root 5656376 Nov 11 04:47 libvdpau_r600.so.1.0.0
lrwxrwxrwx 1 root root      26 Nov 11 04:46 libvdpau_radeonsi.so.1 -> libvdpau_radeonsi.so.1.0.0
lrwxrwxrwx 1 root root      26 Nov 11 04:46 libvdpau_radeonsi.so.1.0 -> libvdpau_radeonsi.so.1.0.0
-rwxr-xr-x 4 root root 5656376 Nov 11 04:47 libvdpau_radeonsi.so.1.0.0
lrwxrwxrwx 1 root root      23 Feb 11  2017 libvdpau_trace.so -> libvdpau_trace.so.1.0.0
lrwxrwxrwx 1 root root      23 Feb 11  2017 libvdpau_trace.so.1 -> libvdpau_trace.so.1.0.0
-rwxr-xr-x 1 root root   57520 Feb 11  2017 libvdpau_trace.so.1.0.0

I added a link at the correct path and everything now works. I can watch a video in full screen
(2560x1440) using 3% CPU.

> How long ago did you have this issue?  As I did not notice the issue,
> I am wondering if the issue has been fixed.

It started when I upgraded my graphics card from a 'GeForce 8600 GT' -> 'Geforce 7100GS'
A few days.

HTH

> Below are some links and notes regards VDPAU that I researched this
> morning;
> 
> https://en.wikipedia.org/wiki/VDPAU
> 
> 
> Video Decode and Presentation API for Unix (VDPAU) is a royalty-free
> application programming interface [1] (API) as well as its
> implementation as free and open-source [2] library [3] (libvdpau)
> distributed under the MIT License [4].[1] [5] VDPAU has been
> superseded by Nvidia NVDEC [6].[2] [7]
> 
> 
> 
> 
> VERIFYING VDPAU
> 
> 
> 
> Install vdpauinfo [8] to verify if the VDPAU driver is loaded
> correctly and retrieve a full report of the configuration:
> 
> $ vdpauinfo
> https://www.mythtv.org/wiki/VDPAU#Nvidia
> 
> https://www.geforce.com/drivers/results/105343
> Added support for VDPAU Feature Set H to the NVIDIA VDPAU driver. GPUs
> with VDPAU Feature Set H are capable of hardware-accelerated decoding
> of 8192x8192 (8k) H.265/HEVC video streams.
> 
> http://www.nvidia.com/Download/driverResults.aspx/104284/en-us
> Added support for VDPAU Feature Set H to the NVIDIA VDPAU driver. GPUs
> with VDPAU Feature Set H are capable of hardware-accelerated decoding
> of 8192x8192 (8k) H.265/HEVC video streams.
> 
> The card that I purchased was ;
> http://www.msy.com.au/nswonline/nvidia/20604-asus-nvidia-gt710-sl-2gd5-brk-2gb-gt710-ddr5-pci-e-vga-card.html
> I prefer no fan when possible. Less noise, one less moving part to
> fail.
> 
> 
> On Saturday, 31-03-2018 at 23:40 Eyal Lebedinsky via linux wrote:
> 
> 
> On 31/03/18 23:02, George at Clug via linux wrote:
>> Thanks for the offer of RAM, when I get time I will contact you.
>>
>> The boxes are the HP dc 7800 tower case. For some people that might
> be
>> large, but I like the room they have and less tendency to over heat.
>>
>> I have found that by putting in a Nvidia GeForce N710 they can
> handle
>> You Tube HD video using Nvidia's drivers that are found in Debian
>> repository.
> 
> I recently acquired a GT710(*), and it has no trouble with any media.
> 
> I just had to ensure VDPAU is active, or else it would max the CPU.
> Funny story, without VDPAU some artefacts were visible and I returned
> the card for a replacement. Same problem. I then discovered that VDPAU
> was not properly installed and fixing it made it all smooth.
> 
> (*)
> http://www.msy.com.au/act/fyshwick/nvidia/20153-gigabyte-n710d5-1gi-1gb-gt710-ddr5-pci-e-vga-card.html
> 
>> I intend to use a few of these at test machines for trying various
>> Desktop and GUI configurations. If further tests go well, I may even
>> consider replacing my current desktop with one.
>>
>> I have found that with an SSD drive and the slient (i.e. no fan)
> N710,
>> that they are nice an quiet.
>>
>> Regards, George.
> 

-- 
Eyal Lebedinsky (eyal at eyal.emu.id.au)