Den lördag 16 juli 2016 kl. 00:47:00 UTC+2 skrev Robert O'Callahan: > On Sat, Jul 16, 2016 at 5:09 AM, Steve Fink <sf...@mozilla.com> wrote: > > > I know it's kind of crazy given our garbage-collected, single content > > process world, but reading this thread makes me wonder what it would take > > to use the browser to implement a real linux-hosted audio workstation-type > > app. As in, something that requires truly low-latency audio with mixing. My > > (years stale) understanding is that pulseaudio is kind of the wrong model, > > and can't really offer the right guarantees at an architectural level. ALSA > > is, as ever, a mess, and just because you can play sound through ALSA on > > one hardware configuration doesn't really mean much for other drivers. > > > > Last I knew, JACK was the only way to get basically no dropouts and still > > be able to do nontrivial audio processing. But a JACK backend for the > > browser just seems kind of silly; it's too much of a niche "market" to try > > for anytime soon. > > > > A JACK backend for cubeb, hence Firefox, exists but isn't compiled into > Mozilla builds. > > The Web Audio API lets audio processing run on its own real-time thread, > and that's what Gecko does, although on Linux unprivileged users running > Firefox can't give that thread real-time priority. > > Rob > -- > lbir ye,ea yer.tnietoehr rdn rdsme,anea lurpr edna e hnysnenh hhe uresyf > toD > selthor stor edna siewaoeodm or v sstvr esBa kbvted,t > rdsme,aoreseoouoto > o l euetiuruewFa kbn e hnystoivateweh uresyf tulsa rehr rdm or rnea > lurpr > .a war hsrer holsa rodvted,t nenh hneireseoouot.tniesiewaoeivatewt sstvr > esn
Unless root has desired that they can. On ubuntu: /etc/security/limits.d/audio.conf. And users that uses JACK is member in the audio group. # Provided by the jackd package. # # Changes to this file will be preserved. # @audio - rtprio 95 @audio - memlock unlimited #@audio - nice -19 _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform
