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[SOLVED] Misadventures with Bluetooth headset
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Sarcutus
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Joined: 20 Jul 2020
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Location: Northern Virginia

PostPosted: Tue Aug 04, 2020 7:34 pm    Post subject: [SOLVED] Misadventures with Bluetooth headset Reply with quote

Okay forums, I have an issue to present to you. I suspect someone will have a simple solution and will pick on me about this, but I'm willing to endure the ridicule. :)

Bluetooth is behaving ... unusually. My Skullcandy Crusher Wireless headphones pair. Then they connect. And when I queue up a song in Audacious and play it ...

the sound comes from the speakers.

Yes, the laptop speakers. No sound through my supposedly-paired, supposedly-connected Bluetooth headphones.

Of course, the first thing I thought of was to toggle the settings so that the output device was set to "Crusher Wireless." Sought far and wide for a Sound menu in both Xfce and LXDE. Nothing doing.

I've installed bluetooth, bluez, bluez-alsa, alsa-mixer and alsa-utils. Oh, and volumeicon, which doesn't show anywhere.

I'm sorry if this isn't an ideal issue, but I can't find anything on the forum about it ... at least, nothing specific about the speakers playing even though a Bluetooth device is paired and connected.

The wiki doesn't have anything about this problem either, at least not that I can find. And Google has been a wash.

I should add that I made the mistake of installing PulseAudio first, not realizing that it is dependent on systemd (I am running OpenRC).

Hope to hear from someone with a suggestion. I appreciate anything anyone can tell me.



--Sarcutus

Good news! My hunch was right. I simply reinstalled --again -- this time installing systemd instead of OpenRC as the init system.

I don't know what the deal is with OpenRC. I can't think of a reason why it wouldn't get along with a Bluetooth headset. But there it is. systemd does the thing.

***

By the way, I really appreciate everybody's help, comments and welcoming attitude, especially NeddySeagoon. Y'all are awesome. And Gentoo is very, very good.


Last edited by Sarcutus on Sat Aug 22, 2020 1:08 am; edited 2 times in total
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dmpogo
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PostPosted: Tue Aug 04, 2020 9:25 pm    Post subject: Reply with quote

Basically, I did not find way to robustly control bluetooth headset without pulseaudio. Which can happily live without systemd, BTW ( USE='-systemd +elogind' is what I have)
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NeddySeagoon
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PostPosted: Tue Aug 04, 2020 9:49 pm    Post subject: Reply with quote

Sarcutus,

You have a multiplicity of sound cards. Most application will use the default sound card, whatever that is.
It seems to be your analogue card right now.

VLC lets you change the audio device without a restart. Just pick a new device from the menu.
That makes it good for testing.

Being paired and connected is required but not sufficient.

If you want to see the control on your sound cards, run alsamixer -cX where X is 0..N-1 for your N sound cards.
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NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
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Sarcutus
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Joined: 20 Jul 2020
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Location: Northern Virginia

PostPosted: Thu Aug 06, 2020 1:36 pm    Post subject: Reply with quote

I have a hunch as to what the problem is, though I can't solve it to the best of my knowledge:

Code:
sarcutus@Sarcutusdevice ~ $ pactl list cards short
0   alsa_card.pci-0000_00_1f.3   module-alsa-card.c
sarcutus@Sarcutusdevice ~ $ pactl set-card-profile 0 a2dp
Failure: No such entity


Now that either means I input the sound card wrong or there's no a2dp capability. I think it's the latter, and that's why my Gentoo install can't stream sound to my Bluetooth headphones.

Now I just need to learn how to get A2DP installed on Gentoo. Google has been no help, sadly.


--Sarcutus
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saboya
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Joined: 28 Nov 2006
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PostPosted: Thu Aug 06, 2020 3:10 pm    Post subject: Reply with quote

Well, bluetooth in Linux is a PITA, and since you're not using PulseAudio, it's going to be even harder for you.
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Sarcutus
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PostPosted: Thu Aug 06, 2020 3:14 pm    Post subject: Reply with quote

Nay, actually I caved and started using PulseAudio. So I'm there. Hrm.
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