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Re: mplayer won't play audio CD

Thanks to all who kindly replied.


David Wright <deblis@lionunicorn.co.uk> writes:

> Secondly, most of the error messages involved alsa rather
> than the CD player. How does root get on with playing
> sound files from other sources?

Yes, the error message remains also with sound files, so it actually does not
concern cdda:


# mplayer beeth-symph3-klemperer_01.wav 
MPlayer 1.3.0 (Debian), built with gcc-6.3.0 (C) 2000-2016 MPlayer Team
do_connect: could not connect to socket
connect: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.

Playing beeth-symph3-klemperer_01.wav.
libavformat version 57.56.101 (external)
Audio only file format detected.
Load subtitles in ./
==========================================================================
Opening audio decoder: [pcm] Uncompressed PCM audio decoder
AUDIO: 44100 Hz, 2 ch, s16le, 1411.2 kbit/100.00% (ratio: 176400->176400)
Selected audio codec: [pcm] afm: pcm (Uncompressed PCM)
==========================================================================
XDG_RUNTIME_DIR (/run/user/1000) is not owned by us (uid 0), but by uid 1000! (This could e g happen if you try to connect to a non-root PulseAudio as a root user, over the native protocol. Don't do that.)
AO: [pulse] Init failed: Connection refused
Failed to initialize audio driver 'pulse'
XDG_RUNTIME_DIR (/run/user/1000) is not owned by us (uid 0), but by uid 1000! (This could e g happen if you try to connect to a non-root PulseAudio as a root user, over the native protocol. Don't do that.)
[AO_ALSA] alsa-lib: pcm_hw.c:1602:(snd_pcm_hw_open) open '/dev/snd/pcmC0D0p' failed (-2): No such file or directory
[AO_ALSA] alsa-lib: pcm_dmix.c:1052:(snd_pcm_dmix_open) unable to open slave
[AO_ALSA] Playback open error: No such file or directory
Failed to initialize audio driver 'alsa'
[AO SDL] Samplerate: 44100Hz Channels: Stereo Format s16le
[AO SDL] using aalib audio driver.
[AO SDL] Unable to open audio: No available audio device
Failed to initialize audio driver 'sdl:aalib'
Could not open/initialize audio device -> no sound.
Audio: no sound
Video: no video


Exiting... (End of file)


> First, it would seem sensible to clean up your first post by
> revealing the output from, say,
>
> # mplayer --noconfig=all --ao=alsa cdda://
>
> Currently I don't have mplayer installed, only mplayer2.
> I would point out that this command still reads input.conf
> files so you might want to move them out of the way too.


The error remains:

# mplayer -noconfig all -ao alsa beeth-symph3-klemperer_01.wav 
MPlayer 1.3.0 (Debian), built with gcc-6.3.0 (C) 2000-2016 MPlayer Team
Can't open joystick device /dev/input/js0: No such file or directory
Can't init input joystick
do_connect: could not connect to socket
connect: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.

Playing beeth-symph3-klemperer_01.wav.
libavformat version 57.56.101 (external)
Audio only file format detected.
Load subtitles in ./
==========================================================================
Opening audio decoder: [pcm] Uncompressed PCM audio decoder
AUDIO: 44100 Hz, 2 ch, s16le, 1411.2 kbit/100.00% (ratio: 176400->176400)
Selected audio codec: [pcm] afm: pcm (Uncompressed PCM)
==========================================================================
XDG_RUNTIME_DIR (/run/user/1000) is not owned by us (uid 0), but by uid 1000! (This could e g happen if you try to connect to a non-root PulseAudio as a root user, over the native protocol. Don't do that.)
[AO_ALSA] alsa-lib: pcm_hw.c:1602:(snd_pcm_hw_open) open '/dev/snd/pcmC0D0p' failed (-2): No such file or directory
[AO_ALSA] alsa-lib: pcm_dmix.c:1052:(snd_pcm_dmix_open) unable to open slave
[AO_ALSA] Playback open error: No such file or directory
Failed to initialize audio driver 'alsa'
Could not open/initialize audio device -> no sound.
Audio: no sound
Video: no video


Exiting... (End of file)


Please note that if, instead of becoming root with `su', I log in as root, the
error message is smaller:

# mplayer cdda://
MPlayer 1.3.0 (Debian), built with gcc-6.3.0 (C) 2000-2016 MPlayer Team
do_connect: could not connect to socket
connect: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.

Playing cdda://.
Found audio CD with 12 tracks.
rawaudio file format detected.

Track 1
==========================================================================
Opening audio decoder: [pcm] Uncompressed PCM audio decoder
AUDIO: 44100 Hz, 2 ch, s16le, 1411.2 kbit/100.00% (ratio: 176400->176400)
Selected audio codec: [pcm] afm: pcm (Uncompressed PCM)
==========================================================================
AO: [pulse] Init failed: Connection refused
Failed to initialize audio driver 'pulse'
[AO_ALSA] alsa-lib: pcm_hw.c:1602:(snd_pcm_hw_open) open '/dev/snd/pcmC0D0p' failed (-2): No such file or directory
[AO_ALSA] alsa-lib: pcm_dmix.c:1052:(snd_pcm_dmix_open) unable to open slave
[AO_ALSA] Playback open error: No such file or directory
Failed to initialize audio driver 'alsa'
[AO SDL] Samplerate: 44100Hz Channels: Stereo Format s16le
[AO SDL] using aalib audio driver.
[AO SDL] Unable to open audio: No available audio device
Failed to initialize audio driver 'sdl:aalib'
Could not open/initialize audio device -> no sound.
Audio: no sound
Video: no video


Exiting... (End of file)


> Thirdly, what's in /dev/snd?
>
> # mplayer --noconfig=all --ao=alsa cdda://
> MPlayer2 2.0-728-g2c378c7-4+b1 (C) 2000-2012 MPlayer Team
> Cannot open file '/root/.mplayer/input.conf': No such file or directory
> Failed to open /root/.mplayer/input.conf.
> Cannot open file '/etc/mplayer/input.conf': No such file or directory
> Failed to open /etc/mplayer/input.conf.
>
> Playing cdda://.
> Found audio CD with 11 tracks.
> CD-Text (CD):
>
> Track 1
> CD-Text (track):
>
> Detected file format: rawaudio
> Selected audio codec: Uncompressed PCM [pcm]
> AUDIO: 44100 Hz, 2 ch, s16le, 1411.2 kbit/100.00% (ratio: 176400->176400)
> AO: [alsa] 48000Hz 2ch s16le (2 bytes per sample)
> Video: no video
> Starting playback...
> A:   3.2 (03.2) of 4629.0 ( 1:17:09.0)  2.6% 
>
> Exiting... (Quit)
> # ls -lR /dev/snd
> /dev/snd:
> total 0
> drwxr-xr-x  2 root root       60 Jul  1 08:25 by-path
> crw-rw----+ 1 root audio 116,  2 Jul  1 08:25 controlC0
> crw-rw----+ 1 root audio 116,  5 Jul  1 08:25 hwC0D0
> crw-rw----+ 1 root audio 116,  4 Jul  1 08:28 pcmC0D0c
> crw-rw----+ 1 root audio 116,  3 Jul  1 10:28 pcmC0D0p
> crw-rw----+ 1 root audio 116,  1 Jul  1 08:26 seq
> crw-rw----+ 1 root audio 116, 33 Jul  1 08:25 timer
>
> /dev/snd/by-path:
> total 0
> lrwxrwxrwx 1 root root 12 Jul  1 08:25 pci-0000:00:1b.0 -> ../controlC0
> # 


My output seems to be the same as yours:

# ls -lR /dev/snd
/dev/snd:
total 0
drwxr-xr-x  2 root root       80 Jul  1 23:55 by-path
crw-rw----+ 1 root audio 116,  2 Jul  1 23:55 controlC0
crw-rw----+ 1 root audio 116,  5 Jul  1 23:55 controlC1
crw-rw----+ 1 root audio 116,  4 Jul  1 23:55 hwC0D0
crw-rw----+ 1 root audio 116,  9 Jul  1 23:55 hwC1D0
crw-rw----+ 1 root audio 116,  3 Jul  1 23:56 pcmC0D3p
crw-rw----+ 1 root audio 116,  7 Jul  1 23:56 pcmC1D0c
crw-rw----+ 1 root audio 116,  6 Jul  1 23:56 pcmC1D0p
crw-rw----+ 1 root audio 116,  8 Jul  1 23:55 pcmC1D2c
crw-rw----+ 1 root audio 116,  1 Jul  1 23:55 seq
crw-rw----+ 1 root audio 116, 33 Jul  1 23:55 timer

/dev/snd/by-path:
total 0
lrwxrwxrwx 1 root root 12 Jul  1 23:55 pci-0000:00:01.1 -> ../controlC0
lrwxrwxrwx 1 root root 12 Jul  1 23:55 pci-0000:00:14.2 -> ../controlC1




Thanks,

Rodolfo
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