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Date:      Mon, 20 Jul 2026 16:28:34 +0200
From:      Rodrigo Osorio <rodrigo@osorio.me>
To:        freebsd-current@freebsd.org
Subject:   Re: Tragic State of FreeBSD Audio/Sound
Message-ID:  <ebb5a31b-232b-429e-9200-bb32f437dc54@osorio.me>
In-Reply-To: <wfetopzgnoqtpcpwrfrl@tcrp>
References:  <hkttyyfmuguexmliuhmg@ewtn> <sirudbjwrqwlhpzjpfqf@abqv> <517030E8-D079-48DD-AE4B-093E93C8F101@ketas.si.pri.ee> <wfetopzgnoqtpcpwrfrl@tcrp>

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Le 20/07/26 à 13:35, vermaden a écrit :
> Hi.
>
>> I downloaded freebsd-tragic-audio-sound.mp4
>> file but I didn't hear anything, like there is
>> no audio track or the sound were very faint.
>>
>> Cheers,
>> -- rodrigo
> I think You are using a player that does not have needed codec support - I just downloaded that file and played it on my FreeBSD system. Players like mpv/vlc/mplayer does play the needed sound. What player You used?

I tried both mplayer and vlc without success (following the output 
provided by mplayer)
I don't usually have problems with sound, and I'm able to play other 
video & audio files
on my FreeBSD system, but for some reasons, not for this one.

FreeBSD mypc 15.1-RELEASE FreeBSD 15.1-RELEASE 
releng/15.1-n283562-96841ea08dcf GENERIC amd64

mplayer Downloads/freebsd-tragic-audio-sound.mp4
MPlayer SVN-r38685-snapshot-19.1.7 (C) 2000-2026 MPlayer Team

Playing Downloads/freebsd-tragic-audio-sound.mp4.
libavformat version 62.12.102 (external)
libavformat file format detected.
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x83c184cfa88]Protocol name not provided, 
cannot determine if input is local or a network protocol, buffers and 
access patterns cannot be configured optimally without knowing the protocol
[lavf] stream 0: video (h264), -vid 0
[lavf] stream 1: audio (aac), -aid 0, -alang und
VIDEO:  [H264]  848x478  24bpp  60.000 fps  1451.2 kbps (177.2 kbyte/s)
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
libavcodec version 62.28.102 (external)
Selected video codec: [ffh264] vfm: ffmpeg (FFmpeg H.264)
==========================================================================
Clip info:
  major_brand: mp42
  minor_version: 0
  compatible_brands: mp42isom
Load subtitles in Downloads/
==========================================================================
Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
AUDIO: 48000 Hz, 2 ch, floatle, 255.8 kbit/8.33% (ratio: 31976->384000)
Selected audio codec: [ffaac] afm: ffmpeg (FFmpeg AAC (MPEG-2/MPEG-4 Audio))
==========================================================================
AO: [oss] 48000Hz 2ch floatle (4 bytes per sample)
Starting playback...
Movie-Aspect is undefined - no prescaling applied.
VO: [xv] 848x478 => 848x478 Planar YV12
A:  39.8 V:  39.8 A-V: -0.010 ct:  0.134   0/  0 18%  6%  1.1% 0 0


Exiting... (End of file)

>
>
>
>> The recording is valuable because it
>> demonstrates that the failure exists.
>> It gives developers something concrete
>> to reproduce. The next step is to gather
>> enough information to identify the
>> responsible component.
> If I can help try to narrow it - if I use PluseAudio for deadbeef player - and start something that also wants to play audio on PluseAudio - then this *booze* is not there.
>
> If I use OSS for deadbeef player - and start something that also wants to play audio on PluseAudio - then this *booze* IS there.
>
> Something like OSS <-> PulseAudio conflict ... just guessing.
>
>
>
>> The goal is not a system that never fails.
>> That is unrealistic. The goal is a system
>> where failures leave enough evidence that
>> they can be understood and fixed.
> Its just these things worked like a charm ... and now they are broken and no one knows why they are broken ... or how to fix them ... or debug them.
>
> Look what was possible not that long ago with 12.2 or 14.1:
>
> FreeBSD 12.2 Suspend/Resume
> https://youtu.be/Hhi-8jQuN60
>
> FreeBSD 14.1 Suspend/Resume
> https://youtu.be/FA23HfuNiA4
>
> That is the reason that I am so sad - that one of the pillars of FreeBSD got so broken ...
>
>
>
>> Yeah,me too. I feel your frustration.
>> That's also mine. Because I'm trying to
>> fix the audio distortions coming from
>> the 4 inches display that I want to use
>> in the FreeBSD based phone that I'm
>> building. I'm working with Claude and
>> I'm spending a lot of tokens asking
>> Fable 5 to fix the problems. Report
>> after report,it seems very hard to
>> obtain a clean and robust sound.
>> I imagine how hard it is to do it
>> without using advanced AI.
> Yes, AI can be helpful sometimes.
>
>
>
>> i wonder if it's audio hw being crap in idle mode?
> Maybe, but the same 'chip' worked earlier on FreeBSD and worked fine.
>
>
>
> Regards,
> vermaden
>
>
>
>
>



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