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Re: OSS loopback device
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Sid
May 26, 2018, 11:14:47 PM5/26/18
to
"Where's the midi loopback device in the FreeBSD OSS implementation?" - blubee blubeeme
sndiod is intended for Midi on FreeBSD.
ports/sndio
From pkg-descr:
Sndio is a small audio and MIDI framework part of the OpenBSD project.
It provides an lightweight audio & MIDI server and a fully documented
user-space API to access either the server or directly the hardware in
a uniform way. Sndio is designed to work for desktop applications,
but pays special attention to synchronization mechanisms and
reliability required by music applications. Reliability through
simplicity are part of the project goals.
/etc/group ---> _sndio:* ...
/etc/rc.conf.local ---> sndiod_enable="YES"
The rc.conf.local variable is from:
/usr/local/etc/rc.d/sndiod ---> rcvar=sndiod_enable
See also pkg-plist from its port directory
man sndiod(8) is about the sndio MIDI server daemon
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sndiod is intended for Midi on FreeBSD.
ports/sndio
From pkg-descr:
Sndio is a small audio and MIDI framework part of the OpenBSD project.
It provides an lightweight audio & MIDI server and a fully documented
user-space API to access either the server or directly the hardware in
a uniform way. Sndio is designed to work for desktop applications,
but pays special attention to synchronization mechanisms and
reliability required by music applications. Reliability through
simplicity are part of the project goals.
/etc/group ---> _sndio:* ...
/etc/rc.conf.local ---> sndiod_enable="YES"
The rc.conf.local variable is from:
/usr/local/etc/rc.d/sndiod ---> rcvar=sndiod_enable
See also pkg-plist from its port directory
man sndiod(8) is about the sndio MIDI server daemon
_______________________________________________
freebsd-m...@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/freebsd-multimedia
To unsubscribe, send any mail to "freebsd-multime...@freebsd.org"
Sid
May 31, 2018, 6:01:50 PM5/31/18
to
> blubee blubeeme wrote,
> So there's no actual native midi handling on FreeBSD... Yikes!
> Why doesn't FreeBSD import this sndio into kernel instead of a port?
> sndio is more feature complete and the developers are actually active,
> while OSS seems to be dead in it's tracks and the main developer has gone away.
Good thoughts.
> So there's no actual native midi handling on FreeBSD... Yikes!
> Why doesn't FreeBSD import this sndio into kernel instead of a port?
> sndio is more feature complete and the developers are actually active,
> while OSS seems to be dead in it's tracks and the main developer has gone away.
Good thoughts.
Sid
Jun 1, 2018, 5:24:28 AM6/1/18
to
> sndio is a port; does it have a kernel module? - Blubee bluebeeme
It has a daemon, that gets installed at /usr/local/etc/rc.d/sndiod
Files from /usr/ports/audio/sndio/pkg-plist are
bin/aucat
bin/midicat
bin/sndiod
include/sndio.h
lib/libsndio.so
lib/libsndio.so.6.1
plus a lot of manpages.
The sndio manpage turns up a few /dev/ devices.
I couldn't find anything in the /boot/modules or /boot/kernel directories about sndio, after installing.
You'll have to investigate OpenBSD to learn about if there are any modules.
Here is part of the output from installing...
bindir................... /usr/local/bin
datadir.................. /usr/local/share
includedir............... /usr/local/include
libdir................... /usr/local/lib
mandir................... /usr/local/man
user..................... _sndio
libbsd................... no
precision................ 16
alsa..................... no
oss...................... yes
sun...................... no
rmidi.................... yes
umidi.................... yes
It looks like this setup is for 16 bit (CD quality) playback, and not 24 bit playback.
It has a daemon, that gets installed at /usr/local/etc/rc.d/sndiod
Files from /usr/ports/audio/sndio/pkg-plist are
bin/aucat
bin/midicat
bin/sndiod
include/sndio.h
lib/libsndio.so
lib/libsndio.so.6.1
plus a lot of manpages.
The sndio manpage turns up a few /dev/ devices.
I couldn't find anything in the /boot/modules or /boot/kernel directories about sndio, after installing.
You'll have to investigate OpenBSD to learn about if there are any modules.
Here is part of the output from installing...
bindir................... /usr/local/bin
datadir.................. /usr/local/share
includedir............... /usr/local/include
libdir................... /usr/local/lib
mandir................... /usr/local/man
user..................... _sndio
libbsd................... no
precision................ 16
alsa..................... no
oss...................... yes
sun...................... no
rmidi.................... yes
umidi.................... yes
It looks like this setup is for 16 bit (CD quality) playback, and not 24 bit playback.
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