On Mon, 9 Dec 2024 19:25:17 -0500
George Koehler <kernigh@gmail.com> wrote:
> On Thu, 28 Nov 2024 10:40:03 -0600
> izzy Meyer <izder456@disroot.org> wrote:
>
> > WRT the sndio quirks, the latest commit from this project is 7
> > years old, safe to say that it may be dormant, I'll look into
> > possibly forking and fixing up sndio support later- cos I too, have
> > the same crackling issue on occassion.
>
> izzy, would you take sthen's changes and mail a new .tar.gz of the
> port?S
Yep! Sorry, life things happened, and completely forgot I was working
on this port. It is attached to this mail.
> I found 2 causes for a .wav to make a crackling sound,
>
> 1. If the .wav has unsigned 8-bit (u8) audio, sndiod(8) has a bug.
> See my mail to tech@, "sndiod: unsigned sample 0 is not silent"
> https://marc.info/?l=openbsd-tech&m=173372300424229&w=2
>
> 2. If the .wav has chunks after its "data" chunk, and you don't use
> nxbelld -c, then nxbelld wrongly plays those chunks as noise.
>
> My quack.wav has u8 and has a "smpl" chunk after "data", so I heard
> both problems. One can work around both problems by using ffmpeg or
> sox to write a .wav with signed 16-bit audio; those tools put "data"
> at end of file. Example with sox -e signed,
>
> $ sox in.wav -e si out.wav
>
> nxbelld -c uses the correct length of the "data" chunk, but nxbelld
> without -c continues from "data" to end of file. [...]
Interesting, so seems this is a problem with sndio(8) itself and not
this software.
> Patches would fix it, but I don't want to wait for patches before
> OpenBSD imports the port.
Agreed, this port is really useful to have.
Appreciated-
--
iz (they/them)
> i like to say mundane things,
> there are too many uninteresting things
> that go unnoticed.
izder456 (dot) neocities (dot) org
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