Re: Playing Midi files for Intel AC'97

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On 6/30/07, Chu Tan <chujtan@xxxxxxxxx> wrote:
I've a Dell 4550 with Intel integrated AC'97 sound card.

# lspci
00:1f.5 Multimedia audio controller: Intel Corporation 82801DB/DBL/DBM
(ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 01)

# aplaymidi -l
 Port    Client name                      Port name
 14:0    Midi Through                     Midi Through Port-0

Based on above aplaymidi output, does that mean my card does not have a
on-board sound table of sort, so, there isn't a virtual port that allows
me to send midi commands to, and have it played through dsp?

Currently, I'm able to use Timidity to process a midi file, translate it
to wave and output to dsp. However, I believe this approach is not
integrated to alsa. As a result, I think, Audacious isn't able to play
midi, because alsa system isn't setup to play midi.

Below is lsmod output, I'm not sure if I missed loading some modules.
# lsmod | grep snd
snd_intel8x0 35549 1 snd_ac97_codec 93413 1 snd_intel8x0
ac97_bus                6465  1 snd_ac97_codec
snd_seq_dummy 7877 0 snd_seq_oss 33601 0 snd_seq_midi_event 11201 1 snd_seq_oss
snd_seq                51249  5
snd_seq_device         11853  3 snd_seq_dummy,snd_seq_oss,snd_seq
snd_pcm_oss 43617 0 snd_mixer_oss 19393 1 snd_pcm_oss
snd_pcm                75205  3 snd_intel8x0,snd_ac97_codec,snd_pcm_oss
snd_timer              25157  2 snd_seq,snd_pcm
snd                    53829  11
soundcore              11681  1 snd
snd_page_alloc         13769  2 snd_intel8x0,snd_pcm

Try starting timidity like this:
timidity -iA -Os -B2,8 --reverb 0 --realtime-priority 1
and then see what aplaymidi -l says. (I have a different setup, so this may not work for you. But it's worth a try.)


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