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Old 09-04-2016, 01:36 AM   #1
louigi600
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No sound out of firefox on slackware64-14.2


I'm getting this this odd issue on an intel NUC DN2820FYK which is permanently attached to a (Philips) TV set via HDMI.

Although sound works fine with other stuff like mplayer when I fire up firefox it's unable to produce any sound. I fiddled a little with the mixer and all seems fine but still firefox makes no noise. I even tried to get some audio out of the audio jack instead of via HDMI but that was a no go too.
Frustrated I decided to unplug HDMI and plug it back in and bang the audio came back.

I actually started noticing this on 14.1 after an update *and din not try the HDMI replug thing back on 14.1) ... I thought it was time to upgrade to 14.2 but I got the same thing on 14.2 too (even after a full update on all the packages).


The firs time firefox audio came back after HDMI replug I thought it was just a bad connection (which still puzzled me because mplayer sounded fine)... but the thing is that it looks like I've to do this after every boot to get firefox to make sound.

Anyone else have the same issue ?
Anyone have a neater workaround the the HDMI replug thing ?

Last edited by louigi600; 09-04-2016 at 01:40 AM.
 
Old 09-04-2016, 02:00 AM   #2
STDOUBT
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Not an immediate answer, but related to 14.2 there have been 4 threads this year in the Slackware forum about Firefox audio issues. Did you find no solution in those?
Here is one that might help:
https://www.linuxquestions.org/quest...ok-4175586436/
 
Old 09-04-2016, 02:04 AM   #3
louigi600
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I had a peep before posting but noone else was talking about HDMI replug fixing the issue so I though I was hitting something different.

Anyway the thing about mplayer working while firefox not I've not been able to reproduce ... but both not working until I do the replug I've reproduced many times now.

So I had a look at the kde multimedia settings and it defaults to using analog audio ... so I think that's the issue.

Anyone know how to apply that to all profiles not just the one I'm using right now ?
 
Old 09-04-2016, 03:23 AM   #4
louigi600
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I think the issue is that pulseaudio in not configured to loo for HDMI sink:

Code:
root@nuc:/usr/share/alsa# pactl list short sinks
No protocol specified
xcb_connection_has_error() returned true
No protocol specified
0	alsa_output.pci-0000_00_1b.0.analog-stereo	module-alsa-card.c	s16le 2ch 44100Hz	IDLE
root@nuc:/usr/share/alsa#
Hould it not say something about HDMI like aplay -l woud ?

Code:
root@nuc:/usr/share/alsa# aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC283 Analog [ALC283 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
root@nuc:/usr/share/alsa#
How come I don't get the sink in pactl list sinks while if I tell it to show me the cards I get it ?
Code:
	Ports:
		analog-input-mic: Microphone (priority: 8700, latency offset: 0 usec, not available)
			Properties:
				device.icon_name = "audio-input-microphone"
			Part of profile(s): input:analog-stereo, output:analog-stereo+input:analog-stereo, output:hdmi-stereo+input:analog-stereo, output:hdmi-surround+input:analog-stereo
		analog-output-headphones: Headphones (priority: 9000, latency offset: 0 usec, not available)
			Properties:
				device.icon_name = "audio-headphones"
			Part of profile(s): output:analog-stereo, output:analog-stereo+input:analog-stereo
		hdmi-output-0: HDMI / DisplayPort (priority: 5900, latency offset: 0 usec, available)
			Properties:
				device.icon_name = "video-display"
				device.product.name = "39 FHD_LCD-TV"
			Part of profile(s): output:hdmi-stereo, output:hdmi-stereo+input:analog-stereo, output:hdmi-surround, output:hdmi-surround+input:analog-stereo

Last edited by louigi600; 09-04-2016 at 03:29 AM.
 
  


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