It was a great help for me,
but several hills still are there.

I tried "mpg123 [somefile]"
then I contect following message.

"Error opening libao oss driver"

Althogh, I compiled kernel that can support OSS drvier(by module).
How can I listen music.


here is /proc/bus/usr/devices
-----------------------------

T:  Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=12  MxCh= 2
B:  Alloc=  0/900 us ( 0%), #Int=  0, #Iso=  0
D:  Ver= 1.00 Cls=09(hub  ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=0000 ProdID=0000 Rev= 0.00
S:  Product=USB UHCI Root Hub
S:  SerialNumber=d000
C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr=  0mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
E:  Ad=81(I) Atr=03(Int.) MxPS=   8 Ivl=255ms
T:  Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=12  MxCh= 2
B:  Alloc=118/900 us (13%), #Int=  1, #Iso=  0
D:  Ver= 1.00 Cls=09(hub  ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=0000 ProdID=0000 Rev= 0.00
S:  Product=USB UHCI Root Hub
S:  SerialNumber=d400
C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr=  0mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
E:  Ad=81(I) Atr=03(Int.) MxPS=   8 Ivl=255ms
T:  Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=12  MxCh= 0
D:  Ver= 1.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=0a92 ProdID=0051 Rev= 1.00
S:  Manufacturer=EGO SYStems Inc.
S:  Product=AUDIOTRAK OptoPlay
C:* #Ifs= 2 Cfg#= 1 Atr=00 MxPwr=100mA
I:  If#= 0 Alt= 0 #EPs= 0 Cls=01(audio) Sub=01 Prot=00 Driver=audio
I:  If#= 1 Alt= 0 #EPs= 0 Cls=01(audio) Sub=02 Prot=00 Driver=audio
I:  If#= 1 Alt= 1 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=audio
E:  Ad=01(O) Atr=09(Isoc) MxPS= 288 Ivl=  1ms
T:  Bus=01 Lev=01 Prnt=01 Port=01 Cnt=02 Dev#=  3 Spd=1.5 MxCh= 0
D:  Ver= 1.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=046d ProdID=c001 Rev=11.01
S:  Manufacturer=Logitech
C:* #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr= 26mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=03(HID  ) Sub=01 Prot=02 Driver=hid
E:  Ad=81(I) Atr=03(Int.) MxPS=   8 Ivl= 10ms

-----------------------------------------------



On Tue, 15 Jan 2002, Song KiSun wrote:

> 
> Thanks for your reply.
> 
> I did several tests, like " cat 'somefile' > /dev/dsp
> 
> and the device is not attatched.
> 
> #cat /dev/sndstat
> cat: /dev/sndstat : No such device
> 
> #cat /dev/dsp
> cat: /dev/dsp : No such device
> 
> there isn't 'device' file in where '/proc/bus/usb'.
> 
> 
> On Mon, 14 Jan 2002, Dmitri wrote:
> 
> > Quoting Song KiSun <[EMAIL PROTECTED]>:
> > 
> > > Yes, That is a player.
> > > I mean the kernel(2.4.17) can't seems to recognize the device, 
> > > completely, or I did some mistake.
> > 
> > Your device is recognized, and it should work.
> > 
> > Did you try the test? Did you try to use the device for playback?
> > If yes, what errors (if any) you have? What application says? What do you
> > see in the log?
> > 
> > If you are thinking about this:
> > 
> > > usbaudio: device 2 interface 1 altsetting 1 unsupported channels 2 framesize 3
> > 
> > then it is probably not dangerous, and not an error at all. I don't
> > remember all the details of the audio class. If all fails then the device
> > could be looked into.
> > 
> > > How can I listen mp3 music.
> > 
> > Try mpg123 <file_name.mp3>
> > 
> > Also, have a look at /proc/bus/usb/devices. The entries for your device
> > should look like this:
> > 
> > T:  Bus=01 Lev=02 Prnt=03 Port=03 Cnt=03 Dev#=  6 Spd=12  MxCh= 0
> > D:  Ver= 1.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
> > P:  Vendor=0dcd ProdID=0002 Rev= 1.00
> > S:  Manufacturer=xxx
> > S:  Product=xxx
> > S:  SerialNumber=000044
> > C:* #Ifs= 3 Cfg#= 1 Atr=40 MxPwr=  0mA
> > I:  If#= 0 Alt= 0 #EPs= 0 Cls=01(audio) Sub=01 Prot=00 Driver=audio
> > I:  If#= 1 Alt= 0 #EPs= 0 Cls=01(audio) Sub=02 Prot=00 Driver=audio
> > I:  If#= 1 Alt= 1 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=audio
> > E:  Ad=04(O) Atr=09(Isoc) MxPS=  56 Ivl=  1ms
> > I:  If#= 1 Alt= 2 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=audio
> > E:  Ad=04(O) Atr=09(Isoc) MxPS= 112 Ivl=  1ms
> > I:  If#= 2 Alt= 0 #EPs= 0 Cls=01(audio) Sub=02 Prot=00 Driver=audio
> > I:  If#= 2 Alt= 1 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=audio
> > E:  Ad=85(I) Atr=05(Isoc) MxPS=  56 Ivl=  1ms
> > I:  If#= 2 Alt= 2 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=audio
> > E:  Ad=85(I) Atr=05(Isoc) MxPS= 112 Ivl=  1ms
> > 
> > The log says this about my device, for your comparison:
> > 
> > Jan 12 12:53:41 solaris kernel: usb.c: registered new driver audio
> > Jan 12 12:53:41 solaris kernel: usbaudio: device 6 audiocontrol interface 0 has 1 
>input and 1 output AudioStreaming interfaces
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid input sample rate 4000
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid input sample rate 48000
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid input sample rate 44100
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid input sample rate 32000
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid input sample rate 24000
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid input sample rate 22050
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid input sample rate 16000
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid input sample rate 12000
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid input sample rate 11025
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid input sample rate 8000
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid input sample rate 6000
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid input sample rate 5512
> > Jan 12 12:53:41 solaris kernel: usbaudio: device 6 interface 2 altsetting 1: 
>format 0x00000040 sratelo 4000 sratehi 48000 attributes 0x01
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid input sample rate 4000
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid input sample rate 48000
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid input sample rate 44100
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid input sample rate 32000
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid input sample rate 24000
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid input sample rate 22050
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid input sample rate 16000
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid input sample rate 12000
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid input sample rate 11025
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid input sample rate 8000
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid input sample rate 6000
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid input sample rate 5512
> > Jan 12 12:53:41 solaris kernel: usbaudio: device 6 interface 2 altsetting 2: 
>format 0x00000010 sratelo 4000 sratehi 48000 attributes 0x01
> > Jan 12 12:53:41 solaris kernel: usbaudio: device 6 interface 1 altsetting 0 does 
>not have an endpoint
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid output sample rate 4990
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid output sample rate 55010
> > Jan 12 12:53:41 solaris kernel: usbaudio: device 6 interface 1 altsetting 1: 
>format 0x00000040 sratelo 4990 sratehi 55010 attributes 0x00
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid output sample rate 4990
> > Jan 12 12:53:41 solaris kernel: usbaudio: valid output sample rate 55010
> > Jan 12 12:53:41 solaris kernel: usbaudio: device 6 interface 1 altsetting 2: 
>format 0x00000010 sratelo 4990 sratehi 55010 attributes 0x00
> > Jan 12 12:53:41 solaris kernel: usbaudio: registered dsp 14,3
> > Jan 12 12:53:41 solaris kernel: usbaudio: no mixer controls found for Terminal 3
> > Jan 12 12:53:41 solaris kernel: usbaudio: no mixer controls found for Terminal 7
> > Jan 12 12:53:41 solaris kernel: audio.c: v1.0.0:USB Audio Class driver
> > 
> > (the device indeed does not have mixers).
> > 
> > Thanks,
> > Dmitri
> > 
> > -- 
> > "I'd crawl over an acre of 'Visual This++' and 'Integrated Development
> > That' to get to gcc, Emacs, and gdb.  Thank you."
> >   (By Vance Petree, Virginia Power)
> > 
> 
> 
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