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I've recently install OpenBSD 5.9 on my laptop and installed firefox. However, when I play a html5 video, the video stutters. So I've checked top, and top reports a CPU usage of up to 235% (!). How is that even possible? What should I do? This happens when running firefox in safe mode (no extensions, no plug-ins) as well as normally.
Does it happen, when you are playing, say, 1080p on YouTube, or with any quality? On my relatively new, but not so powerful, machine I have troubles streaming 1080p online. 720p is fine though.
OpenBSD supports less hardware than Linux does, so if you have two GPUs, one integrated and one standalone, one could be unsupported.
And if you have a toaster, why would you want it to play videos?
Thank you for your the replies. It doesn't work well with any resolution, not even 240p. I've taken the advice from reddit and am going to use youtube-dl as a workaround until the drivers, or whatever is broken, get fixed.
It's not drivers, per se. It's a whole lot of how threads are scheduled, and also which hardware is in use. For some users, everything is rosy at this release, for others, things improved dramatically with -current (beyond -release), or poor me, who still gets desync A/V and stuttering in embedded html5 on -current. So I use chrome when I need embedded video, and mpv or youtube-dl when I don't. As posted in tedu's blog, improving FF performance is still a work in progress.
Yes, you have sound. From the OpenBSD-specific README:
Code:
Html5 audio/video support
=========================
Due to dependencies reasons, you have to manually install some
GStreamer packages for a full multimedia experience (ie play MP3 audio
and MPEG videos). They will be used at runtime if firefox finds them.
# pkg_add gstreamer1-plugins-good gstreamer1-plugins-libav
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