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 Forum index » Advanced Topics » Hardware » Audio
[FIXED] Kernel 5.5.12 onwards MPlayer problems
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peebee


Joined: 21 Sep 2008
Posts: 4245
Location: Worcestershire, UK

PostPosted: Wed 25 Mar 2020, 09:36    Post subject:  [FIXED] Kernel 5.5.12 onwards MPlayer problems  

FIXED - see last post

Kernel 5.5.12 released 25-mar-2020 seems to have significant problems for MPlayer.

The 5.5.12 changelog does seem to have a lot of sound changes mentioned....
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.12

Thanks
peebee

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Last edited by peebee on Thu 02 Apr 2020, 04:44; edited 2 times in total
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peebee


Joined: 21 Sep 2008
Posts: 4245
Location: Worcestershire, UK

PostPosted: Thu 26 Mar 2020, 04:57    Post subject: now 5.5.13 & 5.4.28  

5.5.13 appeared the same day - but has the same sound problem as 5.5.12

5.4.28 also has the problem.....

https://www.reddit.com/r/linux4noobs/comments/fp1vz6/audio_problem_dummy_output/

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tallboy


Joined: 21 Sep 2010
Posts: 1646
Location: Drøbak, Norway

PostPosted: Fri 27 Mar 2020, 20:57    Post subject:  

There seem to be an eternal sound problem in many Puppy versions up through the years. Are these issues real kernel problems, or are they limited to Puppy builds? Do you know if other distros using the same kernels, experience the same problems?
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peebee


Joined: 21 Sep 2008
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Location: Worcestershire, UK

PostPosted: Thu 02 Apr 2020, 04:11    Post subject:  

Using strace from devx shows that MPlayer is looping:

write(2, "[AO OSS] Can't set audio device "..., 74) = 74
ioctl(4, SNDCTL_DSP_SETFMT, 0xffda03f0) = -1 ENXIO (No such device or address)

Anybody know what this might mean?

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peebee


Joined: 21 Sep 2008
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PostPosted: Thu 02 Apr 2020, 04:43    Post subject: CLOSED - FIXED  

OK - can be fixed by configuring MPlayer to use alsa...

Put:
ao=alsa

into ~/.mplayer/config

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bigpup


Joined: 11 Oct 2009
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PostPosted: Thu 02 Apr 2020, 11:24    Post subject:  

Good find peebee!

You going to tell this to the rest of the Linux world Question Laughing

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8Geee


Joined: 12 May 2008
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Location: N.E. USA

PostPosted: Thu 02 Apr 2020, 18:34    Post subject:  

Just curious, does apulse still work after the ao=alsa setting?

What if ao=apulse?

Sorry, running older stuff w/o apulse, but got to thinking after your revelation.

8Geee

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enrique

Joined: 09 Nov 2019
Posts: 357
Location: Planet Earth

PostPosted: Thu 02 Apr 2020, 23:25    Post subject:  

At the moment I have no need for this kernel. But I recalled at least two guys that could had benefit of this new kernel. So my question, do we have a download link for the pre-build with AUFS.
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peebee


Joined: 21 Sep 2008
Posts: 4245
Location: Worcestershire, UK

PostPosted: Fri 03 Apr 2020, 02:05    Post subject:  

enrique wrote:
do we have a download link for the pre-build with AUFS.
Link n.b. need fdrv firmware
8Geee wrote:
What if ao=apulse?

Code:
# mplayer -ao help
MPlayer 1.4-9.1.0 (C) 2000-2019 MPlayer Team
Available audio output drivers:
   oss   OSS/ioctl audio output
   alsa   ALSA-0.9.x-1.x audio output
   esd   EsounD audio output
   sdl   SDLlib audio output
   openal   OpenAL audio output
   mpegpes   DVB audio output
   v4l2   V4L2 MPEG Audio Decoder output
   null   Null audio output
   pcm   RAW PCM/WAVE file writer audio output

This is a config for MPlayer only which doesn't use apulse.

bigpup wrote:
tell this to the rest of the Linux world

Have posted on LinuxQuestions.org Slackware kernel thread.

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