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Hardware Acceleration

  • 3 cavab
  • 1 has this problem
  • 13 views
  • Last reply by guigs

dojima
dojima
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Should I get the same performance benefit from Firefox's DXVA implementation as a standalone player? It seems that no matter whether or not I have hardware acceleration enabled, watching an .mp4 video in Firefox uses the same amount of CPU (around 15%). If I save the video and watch it in a standalone player, I have almost 0% CPU used.

Thanks.

Should I get the same performance benefit from Firefox's DXVA implementation as a standalone player? It seems that no matter whether or not I have hardware acceleration enabled, watching an .mp4 video in Firefox uses the same amount of CPU (around 15%). If I save the video and watch it in a standalone player, I have almost 0% CPU used. Thanks.

All Replies (3)

guigs
guigs
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No, because streaming and reading from a local file are different reads and writes. Streaming is temporary cache and local file does not need http.

dojima
dojima Question owner
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Well, I guess that makes a little sense, but even if I open the file locally and watch it using Firefox, I still get the same sort of performance.

guigs
guigs
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There was also an update that addressed an issue with hardware accleration in 38.0.5.

However to further troubleshoot the cpu usage, we can try: