https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=203732

--- Comment #8 from Arto Pekkanen <[email protected]> ---
(In reply to commit-hook from comment #4)

Okay, now played the above Youtube test video with Firefox without Pulseaudio.

CPU usage (top, raw cpu %) went down a bit, from 150% to around 100%, but CPU
usage is still high.

I've also discovered the problem is not only in the audio, problem also with
video. You see, when I play video via Firefox, X.org uses around 50% CPU. This
means that there is a LOT of data copying going on between Firefox and X.org. 

Honestly, the only way I could get X.org use more than a few percent of CPU
during video playback with any media player is to use the obsolete X11 -backend
(which apparently copies data and does other horrible things).

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