Subject: [linux-audio-user] Re: [Alsa-user] alsa /dev/sequencer oss compatability
From: Takashi Iwai (tiwai_AT_suse.de)
Date: Thu Jan 16 2003 - 19:00:07 EET
At Thu, 16 Jan 2003 08:20:47 -0800,
Craig Maloney wrote:
>
> Hi all. I have an on motherboard es1371 (which appears to be working
> fine, although I'm not using it for audio). Can't seem to get the midi
> working.
>
> Here's the skinny... relevant output of lsmod:
>
> ----------------------------------------------
> snd-seq-midi 3136 0 (autoclean) (unused)
> snd-seq-oss 22080 0 (autoclean)
> snd-seq-midi-event 2792 0 (autoclean) [snd-seq-midi snd-seq-oss]
> snd-seq 32812 2 (autoclean) [snd-seq-midi snd-seq-oss
> snd-seq-midi-event]
> snd-card-ens1371 9408 0
> snd-pcm 46176 0 [snd-card-ens1371]
> snd-timer 9056 0 [snd-seq snd-pcm]
> snd-rawmidi 11456 0 [snd-seq-midi snd-card-ens1371]
> snd-seq-device 3744 0 [snd-seq-midi snd-seq-oss snd-seq
> snd-rawmidi]
> snd-ac97-codec 22848 0 [snd-card-ens1371]
> snd 23336 2 [snd-seq-midi snd-seq-oss
> snd-seq-midi-event snd-seq snd-card-ens1371 snd-pcm snd-timer
> snd-rawmidi snd-seq-device snd-ac97-codec]
> soundcore 3556 4 [snd]
> -----------------------------------------------
>
> $ ls -la /dev/sequencer
> crw-rw---- 1 root audio 14, 1 Mar 14 2002 /dev/sequencer
> ------------------------------------------------
>
> $ ls -la /proc/asound/dev
> total 0
> dr-xr-xr-x 2 root root 0 Jan 13 21:57 .
> dr-xr-xr-x 5 root root 0 Jan 13 21:57 ..
> crw-rw---- 1 root audio 116, 0 Jan 13 22:21 controlC0
> crw-rw---- 1 root audio 116, 8 Jan 13 22:21 midiC0D0
> crw-rw---- 1 root audio 116, 24 Jan 13 22:21 pcmC0D0c
> crw-rw---- 1 root audio 116, 16 Jan 13 22:21 pcmC0D0p
> crw-rw---- 1 root audio 116, 17 Jan 13 22:21 pcmC0D1p
> crw-rw---- 1 root audio 116, 1 Jan 13 22:21 seq
> crw-rw---- 1 root audio 116, 33 Jan 13 22:21 timer
> -----------------------------------------------------------
>
> presumably snd-seq-oss is the /dev/sequencer compatability layer (which
> I loaded explicitly). Neither playmidi nor rosegarden can seem to open
> /dev/sequencer. playmidi error:
> -------------------------------------------------
> playmidi: No playback device found
> ------------------------------------------------
>
> Do I misunderstand the setup? I am presuming that when I load
> snd-seq-oss, that it redirects /dev/sequencer to and from the alsa
> sequencer and the alsa sequencer is presumably hooked up to alsa
> raw-midi which presumably points to the joystick port on the es1371. Is
> this right (I'm not so sure -- count the occurences of the word
> "presumably in the preceding ;) )? If so, does anyone have any idea why
> it's not working?
playmidi accesses to synth devices on OSS sequencer as default, which
ens137x doesn't have.
for accessing to external MIDI devices, use -e option.
the device number can be specified via -D option, too.
Takashi
This archive was generated by hypermail 2b28 : Thu Jan 16 2003 - 19:11:47 EET