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Holysword
l33t
Joined: 19 Nov 2006
Posts: 946
Location: Greece
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 Posted: Sun Mar 25, 2018 10:00 am Post subject: No Audio through HDMI |
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I've had this issue before, but managed to fix it:
https://forums.gentoo.org/viewtopic-t-1065926-highlight-.html
Now this fix doesn't work (well, sort of). I've already updated the nvidia-drivers and kernel (and made sure that CONFIG_SND_DYNAMIC_MINORS is set).
The problem is that the command
| Code: | | † sleipnir † ~ $ aplay -D hw:0,0 /home/scratch/piano2.wav |
works perfectly, as so does it for hw:0,3 and hw:0,7 (see aplay -l below) but not for "-D hdmi" (see aplay -L bellow)
| Code: | ◢ sleipnir ◣ ~ $ uname -a
Linux sleipnir 4.12.12-gentoo #4 SMP Sun Feb 25 07:58:01 CET 2018 x86_64 Intel(R) Core(TM) i7-6700HQ CPU @ 2.60GHz GenuineIntel GNU/Linux
◢ sleipnir ◣ ~ $ aplay -L
null
Discard all samples (playback) or generate zero samples (capture)
pulse
PulseAudio Sound Server
default:CARD=PCH
HDA Intel PCH, CX20751/2 Analog
Default Audio Device
sysdefault:CARD=PCH
HDA Intel PCH, CX20751/2 Analog
Default Audio Device
front:CARD=PCH,DEV=0
HDA Intel PCH, CX20751/2 Analog
Front speakers
surround21:CARD=PCH,DEV=0
HDA Intel PCH, CX20751/2 Analog
2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=PCH,DEV=0
HDA Intel PCH, CX20751/2 Analog
4.0 Surround output to Front and Rear speakers
surround41:CARD=PCH,DEV=0
HDA Intel PCH, CX20751/2 Analog
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=PCH,DEV=0
HDA Intel PCH, CX20751/2 Analog
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=PCH,DEV=0
HDA Intel PCH, CX20751/2 Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=PCH,DEV=0
HDA Intel PCH, CX20751/2 Analog
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
hdmi:CARD=PCH,DEV=0
HDA Intel PCH, HDMI 0
HDMI Audio Output
hdmi:CARD=PCH,DEV=1
HDA Intel PCH, HDMI 1
HDMI Audio Output
hdmi:CARD=PCH,DEV=2
HDA Intel PCH, HDMI 2
HDMI Audio Output
hdmi:CARD=PCH,DEV=3
HDA Intel PCH, HDMI 3
HDMI Audio Output
◢ sleipnir ◣ ~ $ lsmod | grep snd
snd_hda_codec_hdmi 45056 1
snd_hda_codec_conexant 20480 1
snd_hda_codec_generic 61440 1 snd_hda_codec_conexant
snd_hda_intel 32768 5
snd_hda_codec 90112 4 snd_hda_intel,snd_hda_codec_conexant,snd_hda_codec_hdmi,snd_hda_codec_generic
snd_hwdep 16384 1 snd_hda_codec
snd_hda_core 57344 5 snd_hda_intel,snd_hda_codec_conexant,snd_hda_codec,snd_hda_codec_hdmi,snd_hda_codec_generic
snd_pcm 86016 5 snd_hda_intel,snd_hda_codec,snd_hda_core,snd_hda_codec_hdmi
snd_timer 28672 1 snd_pcm
snd 65536 17 snd_hda_intel,snd_hwdep,snd_hda_codec_conexant,snd_hda_codec,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_pcm
soundcore 16384 1 snd
◢ sleipnir ◣ ~ $ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: CX20751/2 Analog [CX20751/2 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
card 0: PCH [HDA Intel PCH], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 8: HDMI 2 [HDMI 2]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 9: HDMI 3 [HDMI 3]
Subdevices: 1/1
Subdevice #0: subdevice #0
◢ sleipnir ◣ ~ $
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Now, should all the 4 HDMI interfaces have the same name under aplay -L? Also, their device number is clearly wrong in -L.
Thanks in advance!
EDIT#1: I forgot to make it clear what the problem is. The problem is that I cannot use aplay -D [alias]. I can play using hw:X,Y in terminal, but most applications will look for the alias instead, and I cannot select it in systemsettings5, kmix or any other application that I've looked for. They all show the alias instead, but the alias is seemingly pointing to the wrong device. How to tell udev to properly name these aliases?
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"Nolite arbitrari quia venerim mittere pacem in terram non veni pacem mittere sed gladium" (Yeshua Ha Mashiach)
Last edited by Holysword on Sun Mar 25, 2018 5:44 pm; edited 1 time in total |
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P.Kosunen
Guru
Joined: 21 Nov 2005
Posts: 309
Location: Finland
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| Posted: Sun Mar 25, 2018 5:14 pm Post subject: |
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| IIRC that hdmi input might need 6 channel wave with compatible bits and sample rate. Alsa speaker-test should work. |
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Holysword
l33t
Joined: 19 Nov 2006
Posts: 946
Location: Greece
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| Posted: Sun Mar 25, 2018 8:06 pm Post subject: |
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| P.Kosunen wrote: | | IIRC that hdmi input might need 6 channel wave with compatible bits and sample rate. Alsa speaker-test should work. |
What do you mean alsa speaker-test? The card works if I call aplay -D hw:0,7. The problem is the aliases (e.g. aplay -D hdmi). Most software relies on those instead and prevents me from changing the audio sink. Also, I'm using pulseaudio.
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"Nolite arbitrari quia venerim mittere pacem in terram non veni pacem mittere sed gladium" (Yeshua Ha Mashiach) |
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Ant P.
Watchman
Joined: 18 Apr 2009
Posts: 6920
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| Posted: Sun Mar 25, 2018 10:08 pm Post subject: |
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| It's not the sink you need to change, but the card profile. Run `pacmd list-cards` to see them and `pacmd set-card-profile $x` to change it (if your GUI doesn't provide a way). |
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Holysword
l33t
Joined: 19 Nov 2006
Posts: 946
Location: Greece
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| Posted: Mon Mar 26, 2018 8:26 pm Post subject: |
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| Ant P. wrote: | | It's not the sink you need to change, but the card profile. Run `pacmd list-cards` to see them and `pacmd set-card-profile $x` to change it (if your GUI doesn't provide a way). |
I am sorry that I don't know how to explain this properly, but that's *exactly* what is not working.
The card profile is what I've been meaning with "alias" - my bad. In any case, I've tried it with pacmd (again) and none of the HDMI profiles work.
Anyway, pulseaudio (or udev?) is screwing up the configuration of those profiles. The fact that I can play sound by manually specifying aplay -D hw:0,7 shows that the card is indeed functioning, as well as the HDMI port, the cable and the HDMI speakers.
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"Nolite arbitrari quia venerim mittere pacem in terram non veni pacem mittere sed gladium" (Yeshua Ha Mashiach) |
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P.Kosunen
Guru
Joined: 21 Nov 2005
Posts: 309
Location: Finland
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| Posted: Thu Mar 29, 2018 10:58 am Post subject: |
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| Holysword wrote: | | What do you mean alsa speaker-test? The card works if I call aplay -D hw:0,7. The problem is the aliases (e.g. aplay -D hdmi). Most software relies on those instead and prevents me from changing the audio sink. Also, I'm using pulseaudio. |
Shouldn't matter with pulseaudio. |
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Holysword
l33t
Joined: 19 Nov 2006
Posts: 946
Location: Greece
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| Posted: Thu Mar 29, 2018 11:26 am Post subject: |
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| P.Kosunen wrote: | | Holysword wrote: | | What do you mean alsa speaker-test? The card works if I call aplay -D hw:0,7. The problem is the aliases (e.g. aplay -D hdmi). Most software relies on those instead and prevents me from changing the audio sink. Also, I'm using pulseaudio. |
Shouldn't matter with pulseaudio. |
Please, read my last post.
EDIT#1: No one?
Really, this is kind of killing me right now 
Also, both
| Code: | speaker-test -D hdmi:CARD=PCH,DEV=1 -c 2 -r 48000
speaker-test -D hdmi:CARD=PCH,DEV=1 -c 2 -r 44100 |
work here without a problem. I also figured that aplay works perfectly fine with -D hdmi:CARD=PCH,DEV=1 too (silly me, I was just using the wrong name) but pulseaudio still refuses to work when I change the profile (none of the HDMI ones work).
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