Thanks to all who kindly replied.
David Wright <deb...@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
