Hardware video acceleration

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Hi,

when playing youtube videos hardware video acceleration seems to gain
absolutely nothing on my machine or I've done something wrong ;).

Am I missing something?

The percent values playing a youtube video with and without enhanced-
h264ify are raw estimated values, based upon my impression, so I
consider those values as quasi equal, the minimal difference is
neglectable.

https://addons.mozilla.org/firefox/addon/enhanced-h264ify/
https://chrome.google.com/webstore/detail/enhanced-h264ify/omkfmpieigblcllmkgbflkikinpkodlk

$ firefox --safe-mode https://www.youtube.com/watch?v=wqLEg0MsSMQ & top
%Cpu(s): 14 us
22% Web Content
14% firefox

$ firefox             https://www.youtube.com/watch?v=wqLEg0MsSMQ & top
[x] Block VP8
[x] Block VP9
[x] Block AV1
%Cpu(s): 13 us
20% Web Content
15% firefox

$ google-chrome-stable https://www.youtube.com/watch?v=wqLEg0MsSMQ & top
[x] Block VP8
[x] Block VP9
[x] Block AV1
%Cpu(s): 8 us
14% chrome
13% chrome

[ ] Block VP8
[ ] Block VP9
[ ] Block AV1
%Cpu(s): 11 us
15% chrome
14% chrome


$ hwinfo --cpu | grep Model | sort -u; vainfo 
  Model: 6.60.3 "Intel(R) Celeron(R) CPU G1840 @ 2.80GHz"
vainfo: VA-API version: 1.5 (libva 2.5.0)
vainfo: Driver version: Intel i965 driver for Intel(R) Haswell Desktop -
2.3.0
vainfo: Supported profile and entrypoints
      VAProfileMPEG2Simple            : VAEntrypointVLD
      VAProfileMPEG2Simple            : VAEntrypointEncSlice
      VAProfileMPEG2Main              : VAEntrypointVLD
      VAProfileMPEG2Main              : VAEntrypointEncSlice
      VAProfileH264ConstrainedBaseline: VAEntrypointVLD
      VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice
      VAProfileH264Main               : VAEntrypointVLD
      VAProfileH264Main               : VAEntrypointEncSlice
      VAProfileH264High               : VAEntrypointVLD
      VAProfileH264High               : VAEntrypointEncSlice
      VAProfileH264MultiviewHigh      : VAEntrypointVLD
      VAProfileH264MultiviewHigh      : VAEntrypointEncSlice
      VAProfileH264StereoHigh         : VAEntrypointVLD
      VAProfileH264StereoHigh         : VAEntrypointEncSlice
      VAProfileVC1Simple              : VAEntrypointVLD
      VAProfileVC1Main                : VAEntrypointVLD
      VAProfileVC1Advanced            : VAEntrypointVLD
      VAProfileNone                   : VAEntrypointVideoProc
      VAProfileJPEGBaseline           : VAEntrypointVLD

$ uname -rvm; rtirq status
5.2.0-rt1-0-cornflower #1 SMP PREEMPT RT Thu Jul 18 09:49:07 CEST 2019
x86_64

  PID CLS RTPRIO  NI PRI %CPU STAT COMMAND      
  206 FF      90   - 130  0.0 S    irq/28-xhci_hcd      
  207 FF      90   - 130  0.0 S    irq/16-ehci_hcd      
  211 FF      89   - 129  0.0 S    irq/23-ehci_hcd      
  336 FF      85   - 125  0.0 S    irq/16-snd_hdsp      
  363 FF      80   - 120  0.0 S    irq/16-snd_ice1      
  126 FF      50   -  90  0.0 S    irq/9-acpi   
  138 FF      50   -  90  0.0 S    irq/8-rtc0   
  205 FF      50   -  90  0.0 S    irq/1-i8042  
  213 FF      50   -  90  0.0 S    irq/29-ahci[000      
  324 FF      50   -  90  0.0 S    irq/30-mei_me        
  325 FF      50   -  90  0.0 S    irq/5-parport0       
  327 FF      50   -  90  0.0 S    irq/18-i801_smb      
  338 FF      50   -  90  0.0 S    irq/32-i915  
  387 FF      50   -  90  0.0 S    irq/33-snd_hda_      
  559 FF      50   -  90  0.0 S    irq/31-enp3s0        
    9 TS       -   0  19  0.4 S    ksoftirqd/0  
   23 TS       -   0  19  0.4 S    ksoftirqd/1

$ pacman -Q intel-hybrid-codec-driver libva libva-utils 
intel-hybrid-codec-driver 2.0.0.r169.edead0c-2
libva 2.5.0-1
libva-utils 2.5.0-1

$ pacman -Q firefox google-chrome 
firefox 68.0.1-2
google-chrome 75.0.3770.142-1

$ pacman -Q x264
x264 2:157.r72db4377-1

Regards,
Ralf

-- 
pacman -Q linux{,-rt{-cornflower,-pussytoes,,-securityink}}|cut -d\  -f2
5.2.1.arch1-1
5.2_rt1-0
5.0.21_rt16-1
5.0.19_rt11-1
4.19.50_rt22-0



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