For what it is worth, on Kubuntu, fiddling with pulseaudio's settings can solve many sound devices issues. Try running `pavucontrol` and look for your devices. They may be here and disabled. On Oct 26, 2012 11:32 AM, "Duncan" <[email protected]> wrote:
> Marcelo Magno T. Sales posted on Thu, 25 Oct 2012 08:42:13 -0300 as > excerpted: > > > Em quinta-feira, 25 de outubro de 2012, às 05:29:18, Duncan escreveu: > >> Marcelo Magno T. Sales posted on Wed, 24 Oct 2012 21:03:34 -0300: > > >> > How do I make KDE use the bluetooth headset? > >> > >> There's a lot of levels at which this question could be asked... > > > I don't have any of those other desktops / operating system installed, > > just Linux + KDE. And the headset does not work for any application I > > run on this desktop. > > > >> Simple first: If non-kde apps and non-kde desktops are already > >> working, and all you need is to get kde working... > >> > >> Then you need to look in kde's system settings [...] phonon, and > >> adjust the priority of the bluetooth sound device > > > The bluetooth headset does not appear there. Only the internal soundcard > > is listed. Anyway, I would expect KDE would have a more automated > > solution for directing sound to a connected headset than having to > > manually change the order in which phonon should use the available > > devices for each possible application category every time I connect and > > disconnect the headset... > > Once you set the priorities, as long as you don't delete devices (phonon > will often warn and ask if it can delete if it doesn't see a device... > one would hope it has logic to know not to do that with bluetooth devices > since they're /expected/ to come and go, but I'm not sure...), when the > device is the highest priority available, it will be what's chosen. But > when it's not there but something with a lower priority is, it'll > fallback to whatever it has available. So it actually is automated -- > you don't have to do it ever time. > > >> If you don't see any bluetooth sound devices in that list, then it's > >> probably not a kde problem, but a system/platform problem. That's > >> really out of scope for this list, but I'm guessing it's what you're > >> seeing. > > This. > > > I don't think so, since the headset appears in KDE's bluetooth > > application and in SystemSettings -> Network and connectivity -> > > Bluetooth. Besides, I can pair and connect the headset successfully > > there. > > And here we hit the multiple layers problem. If kde's bluetooth app is > seeing it, then you have base connectivity. But there's a problem > between that and the phonon level, so it's not being seen in phonon. > > > I'm running Kubuntu 12.04 x86_64. > > OK. Hopefully someone on kubuntu (either here or on their lists/forums, > which I'm simply assuming they have, but most distros do) can fill in the > missing pieces. > > > I have a bluetooth keyboard + mouse kit (just one dongle for the two > > devices). > > They work perfectly. But this is another thing, because they do not use > > the bluetooth adapter embedded in the desktop, but their own provided > > bluetooth dongle, > > OK. That could possibly be used for troubleshooting, but that would be > troubleshooting the bluetooth connectivity layer since it's a different > device. And we now know the connectivity layer is fine -- the device > shows up and can be paired at that level. So the troubleshooting at this > level shouldn't be necessary. > > > However, I can send files from the KDE desktop to my android devices > > using the embedded bluetooth adapter. > > That's QUITE useful, as now we know not only can it pair, but at least > some devices are fully operational over it. > > >> Also mention whether /any/ apps, not just kde apps, play sound to the > >> bluetooth headset or not. The common Firefox browser is gtk-based > >> (Chrome/Chromium aren't kde based either, neither is Opera, all of > >> which are browsers), for instance, so if it works with the bluetooth > >> headset it may well be a kde problem. But if they don't work either, > >> it's probably lower in the system. > > > > No application play sound to the bluetooth headset, Qt or GTK. System > > sounds are not played to the headset either. > > OK, seems the problem is most likely at the alsa or pulse-audio layer, > since we know the connectivity layer works, but the device simply doesn't > appear at the phonon layer, so it's gotta be in between and those are the > major possibilities between. > > That's progress! =:^) > > But... FWIW, I don't use pulse-audio here at all, never have. And I > strongly suspect that kubuntu's using it. So I'll be of little help > there. Also, I don't actually use bluetooth here. So I'm of limited > help in that regard, beyond narrowing down the layer as we just did. And > finally, I'm a Gentooer, not a Kubuntuer (Kubunteer? Kubunter?). > > So I've probably provided all the help I can, personally. But knowing > what we know now about the layers, someone else with better area-specific > knowledge should be more effective at helping you now. > > The one other thing I can suggest, altho I don't know enough about > bluetooth audio to be sure, is... > > I'd guess that you may still need the specific audio hardware kernel > module loaded. Just like USB-audio needs both USB and the specific audio > driver, so here I suspect you need both bluetooth (which does seem to be > loaded and working) and the audio driver, presumably ALSA-based. But > that's just a guess. Bluetooth audio may work differently. > > Either that or there's something screwed up with pulse-audio, which I > haven't the foggiest how it works or is configured as I've never used it. > > Either way, I've gone about as far as I know how to on the problem, so > hopefully someone else can take it from there. > > -- > Duncan - List replies preferred. No HTML msgs. > "Every nonfree program has a lord, a master -- > and if you use the program, he is your master." Richard Stallman > > ___________________________________________________ > This message is from the kde mailing list. > Account management: https://mail.kde.org/mailman/listinfo/kde. > Archives: http://lists.kde.org/. > More info: http://www.kde.org/faq.html.
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