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[sarge] alsa midi ed mplayer



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Buongiorno a tutti.

Sono alle prese con alsa e sarge. In particolare, l'audio funziona,
alsamixer funziona, i volumi sono alti ed il suono si sente
correttamente. Dove sta il problema? Nello suonare i midi o nell'uso di
mplayer.

Per esempio se provo a fare il play di un midi

# playmidi /home/davide/SymphX-midi/official-site/accolade-sm.mid
Playmidi 2.4 Copyright (C) 1994-1997 Nathan I. Laredo, AWE32 by Takashi Iwai
This is free software with ABSOLUTELY NO WARRANTY.
For details please see the file COPYING.
open /dev/sequencer: No such device

se invece faccio un play di un dvd con mplayer usando alsa, ottengo che
non riesce ad aprire l'audio device (neanche da root), se lo faccio
andare con oss, il dvd funziona a scatti (solo da gmplayer). Con ogle
funziona tutto bene. Riassumendo:

mplayer -dvd-device /dev/dvd dvd://1 --> funziona bene

mplayer -dvd-device /dev/dvd dvd://1 -ao alsa9 --> non si sente audio

gmplayer con alsa9 appare un alert "cannot open /dev/mixer"

gmplayer con oss il video va a scatti.

Ho già guardato il documento girato in lista qualche tempo fa:
http://www.sonic.net/~rknop/linux/debian_alsa.html ed anche un articolo
apparso su linux.com da titolo "Sound in GNU/Linux".

Non ne vengo a capo.

Seguono un po ' di dati

Grazie a tutti Davide

# lsmod | sort
8139cp                 18944  0
8139too                23680  0
Module                  Size  Used by
agpgart                29608  2 sis_agp
cdrom                  34720  1 ide_cd
cfbcopyarea             3968  0
cfbfillrect             3840  0
cfbimgblt               3328  0
crc32                   4608  2 8139cp,8139too
ds                     15108  3 serial_cs
ehci_hcd               22532  0
evdev                   9088  0
ext3                  103720  1
fat                    41792  1 vfat
floppy                 55124  0
font                    8576  0
gameport                4736  1 snd_intel8x0
ide_cd                 38020  0
ide_core              141804  5
ide_cd,ide_disk,ide_generic,ide_detect,sis5513
ide_detect              1408  0
ide_disk               15872  6
ide_generic             1408  0 [permanent]
ieee1394               73392  1 ohci1394
ip_conntrack           30256  1 ipt_state
ip_tables              16384  3 ipt_LOG,ipt_state,iptable_filter
ipt_LOG                 5376  2
ipt_state               2048  1
iptable_filter          2944  1
ipv6                  221120  6
isofs                  32184  0
jbd                    54168  1 ext3
md5                     3968  1
mii                     4864  2 8139cp,8139too
mousedev                9684  2
nls_cp437               5888  1
ntfs                   79436  1
ohci1394               32132  0
ohci_hcd               17412  0
parport                39784  1 parport_pc
parport_pc             31660  0
pcmcia_core            63840  3 serial_cs,ds,yenta_socket
pcspkr                  3688  0
psmouse                17160  0
radeon                104748  2
reiserfs              197488  2
rtc                    11960  0
serial_cs               8584  1
sis5513                15112  1
sis_agp                 5760  1
snd                    49124  12
snd_seq_oss,snd_seq_midi_event,snd_seq,snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer,snd_mpu401_uart,snd_rawmidi,snd_seq_device
snd_ac97_codec         53764  1 snd_intel8x0
snd_intel8x0           31016  1
snd_mixer_oss          16512  2 snd_pcm_oss
snd_mpu401_uart         7168  1 snd_intel8x0
snd_page_alloc         11652  2 snd_intel8x0,snd_pcm
snd_pcm                87972  2 snd_intel8x0,snd_pcm_oss
snd_pcm_oss            47908  0
snd_rawmidi            22816  1 snd_mpu401_uart
snd_seq                47760  4 snd_seq_oss,snd_seq_midi_event
snd_seq_device          7816  3 snd_seq_oss,snd_seq,snd_rawmidi
snd_seq_midi_event      7552  1 snd_seq_oss
snd_seq_oss            29568  0
snd_timer              23300  2 snd_seq,snd_pcm
soundcore               9696  2 snd
tsdev                   7168  0
unix                   25520  116
usbcore                94044  4 ehci_hcd,ohci_hcd
vfat                   14208  0
yenta_socket           15488  1

#lspci -v
...
0000:00:02.7 Multimedia audio controller: Silicon Integrated Systems
[SiS] Sound Controller (rev a0)
        Subsystem: CLEVO/KAPOK Computer: Unknown device 0402
        Flags: bus master, medium devsel, latency 173, IRQ 5
        I/O ports at 1c00 [size=256]
        I/O ports at 1800 [size=128]
        Capabilities: [48] Power Management version 2
...

# groups davide
davide : davide disk dialout cdrom floppy audio dip video cdcatalog pigsty
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