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Posted

I have a nanoPi M1 with armbian Jessie, fresh install with no X server

I wish to play a mp3 file using mplayer, but there is no audio output.

 
#mplayer ./3951.mp3
 
the output is:
 
MPlayer2 2.0-728-g2c378c7-4+b1 © 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.
Failed to read LIRC config file ~/.lircrc.
 
Playing ./3951.mp3.
Detected file format: MP2/3 (MPEG audio layer 2/3) (libavformat)
[mp3 @ 0xb5d9b5b8]max_analyze_duration 5000000 reached
[mp3 @ 0xb5d9b5b8]Estimating duration from bitrate, this may be inaccurate
[lavf] stream 0: audio (mp3), -aid 0
Load subtitles in ./
Selected audio codec: MPEG 1.0/2.0/2.5 layers I, II, III [mpg123]
AUDIO: 44100 Hz, 2 ch, s16le, 320.0 kbit/22.68% (ratio: 40000->176400)
AO: [pulse] Init failed: Connection refused
AO: [alsa] 44100Hz 2ch s16le (2 bytes per sample)
[AO_ALSA] Unable to find simple control 'Master',0.
Video: no video
Starting playback...
A:  12.7 (12.6) of 216.9 (03:36.9)  3.2%
 
 
 
 

 

Posted

Thank you for your answer, now mplayer works fine.

 

I have another problem.

I wish to play 2 instances of mplayer or vlc or mpc ( a background music as first player)  and an announcement as second player.

 

The first player plays ok, but the second return:

 
[AO_ALSA] alsa-lib: pcm_hw.c:1557:(snd_pcm_hw_open) open '/dev/snd/pcmC0D0p' failed (-16): Device or resource busy
[AO_ALSA] Playback open error: Device or resource busy
Failed to initialize audio driver 'alsa'
Could not open/initialize audio device -> no sound.
Audio: no sound
 
please help
Posted

Thank you borombo,

 

I configured alsa mixer and now I can play multiple mplayer audio instances.

 

Please be so kind and help me again:

I can't play video on hdmi because output is in text mode (I can see only few big square pixels). If I start X everything works fine, but I like to play a mp4 file without install X.

Posted

Hi. I have been trying to get sound out of the 3.5mm jack on my M1 but have had no luck.

It appears in aplay -l and I can get sound from a USB sound card if plugged in.

I tried the suggestion above, but still no sound.

I have amplified speakers plugged into the 3.5mm socket.

Does anyone have it working like this and if so, can you please share how you got it working.

Thanks.

Posted

A repost from here

 

I have located a problem. When I went into alsamixer I noticed that a parameter called "Audio lineout" was set to false. In the TUI I was not able to changed the parameter but I was able to save the state in a file by using alsactl --file ~/.config/asound.state store. In the .state file I manually changed the "Audio lineout" parameter to true and reloaded the alsamixer with the `alsactl --file ~/.config/asound.state restore command. Now speaker-test -D sysdefault:CARD=audiocodec -twav -c2 plays perfectly.

You should be able to solve this issue by storing different default settings for ALSA.

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