Bananian

VLC no audio output

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Post Last Edited by 33!mport at 2014-8-27 16:38

Hello,

i want use VLC in console mode on bananian OS, but i doesn't have audio output :

  1. pierrick@mybanana:/home/share$ cvlc dopebeats.mp3
  2. VLC media player 2.0.3 Twoflower (revision 2.0.2-93-g77aa89e)
  3. [0xac7c68] inhibit interface error: Failed to connect to the D-Bus session daemon: Unable to autolaunch a dbus-daemon without a $DISPLAY for X11
  4. [0xac7c68] main interface error: no suitable interface module
  5. [0xb5200620] main interface error: no suitable interface module
  6. [0xaa68f0] main libvlc error: interface "globalhotkeys,none" initialization failed
  7. [0xb5200688] dummy interface: using the dummy interface module...
  8. TagLib: MPEG::Header::parse() -- Invalid sample rate.
  9. TagLib: MPEG::Header::parse() -- Invalid sample rate.
  10. ALSA lib confmisc.c:768:(parse_card) cannot find card '0'
  11. ALSA lib conf.c:4241:(_snd_config_evaluate) function snd_func_card_driver returned error: No such file or directory
  12. ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings
  13. ALSA lib conf.c:4241:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
  14. ALSA lib confmisc.c:1251:(snd_func_refer) error evaluating name
  15. ALSA lib conf.c:4241:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
  16. ALSA lib conf.c:4720:(snd_config_expand) Evaluate error: No such file or directory
  17. ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM default
  18. [0xc0b9d0] alsa audio output error: cannot open ALSA device "default": No such file or directory
  19. [0xc0b9d0] main audio output error: Audio output failed
  20. [0xc0b9d0] main audio output error: The audio device "default" could not be used:
  21. No such file or directory.
  22. [0xc0b9d0] oss audio output error: cannot open audio device (/dev/dsp)
  23. [0xc0b9d0] main audio output error: no suitable audio output module
  24. [0xb5208e40] main decoder error: failed to create audio output
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I do apt-get install alsa, without better results.  How to configure the sound card ?
What is the output of aplay -l  ?

try running cvlc with sudo.

Hello sashijoseph,

My user doesn't have access to the soundcard :
  1. pierrick@mybanana:~$  aplay -l
  2. aplay: device_list:252: no soundcards found...
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with sudo it's OK:
  1. pierrick@mybanana:~$ sudo aplay -l
  2. [sudo] password for pierrick:
  3. **** List of PLAYBACK Hardware Devices ****
  4. card 0: sunxicodec [sunxi-CODEC], device 0: M1 PCM [sunxi PCM]
  5.   Subdevices: 1/1
  6.   Subdevice #0: subdevice #0
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But VLC is not for running in root or with sudo privileges:
  1. pierrick@mybanana:~$ sudo cvlc /home/share/dopebeats.mp3
  2. sudo: unable to resolve host mybanana
  3. VLC is not supposed to be run as root. Sorry.
  4. If you need to use real-time priorities and/or privileged TCP ports you can use /usr/bin/vlc-wrapper (make sure it is Set-UID root and cannot be run by non-trusted users first).
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I need to find the trick to let my user detect the soundcard ;)

Post Last Edited by 33!mport at 2014-8-29 10:39

The trick is :

add your user in "audio" group :
  1. root@mybanana ~ # usermod -a -G audio YourUser
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then your user is able to detect the soundcard without sudo:
  1. pierrick@mybanana:~$ aplay -l
  2. **** List of PLAYBACK Hardware Devices ****
  3. card 0: sunxicodec [sunxi-CODEC], device 0: M1 PCM [sunxi PCM]
  4.   Subdevices: 1/1
  5.   Subdevice #0: subdevice #0
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Then having fun :

direct play :
  1. cvlc  yourmusic.mp3
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or VLC with console interface :
  1. vlc -I curses
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adlumu  
Why can’t my computer play sound after installing a Windows Vista service pack?
Applies to Windows Vista
After you install a Windows Vista service pack, you might experience one or more of the following problems with sound:

No sound is produced when you play audio files or run programs that have an audio feature.

The speaker symbol next to the clock in the notification area displays the message "No audio output device is installed."

The sound controller in Device Manager displays a yellow exclamation point.

The sound quality changes (for example, if you previously had surround sound, you might now have stereo sound).




http://www.deskdecode.com/how-to-fix-no-audio-output-device-is-installed-problem-windows/

Please do try these troubleshooting steps that may help.

  • First do uninstall/reinstall the Sound card driver.
  • Go to Device Manager and uninstall the Sound driver.
  • Once uninstalled, download and install the latest driver from ASUS support site.
  • Reboot the laptop once the latest driver has been installed.
  • After the reboot, do make sure that the default speaker is set correctly.
  • Right click on the speaker icon and select Playback Devices.
  • If the laptop speaker is listed, right click on it and select Set Defaults then click Apply and OK.
  • Last option would be to reinstall Windows itself if all these will not work.

References:

1. http://www.tomsguide.com/answers/id-3057714/audio-output-device-installed-windows.html
2. https://www.techwhoop.com/no-audio-output-device-is-installed/

wty123  
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