007 PortAudio - can't set deviceID

fxlange · November 16, 2011, 4:41pm

hey there,

ofSoundStream (ofPortAudioSoundStream under ubuntu) works fine with the default input device. but when i try to set a deviceID before calling setup i get the following error:

Expression ‘alsa_snd_pcm_hw_params_set_buffer_size_near( self->pcm, hwParams, &bufSz )’ failed in ‘src/hostapi/alsa/pa_linux_alsa.c’, line: 2000
Expression ‘PaAlsaStreamComponent_FinishConfigure( &self->capture, hwParamsCapture, inParams, self->primeBuffers, realSr, inputLatency )’ failed in ‘src/hostapi/alsa/pa_linux_alsa.c’, line: 2650
Expression ‘PaAlsaStream_Configure( stream, inputParameters, outputParameters, sampleRate, framesPerBuffer, &inputLatency, &outputLatency, &hostBufferSizeMode )’ failed in ‘src/hostapi/alsa/pa_linux_alsa.c’, line: 2762
OF: OF_LOG_ERROR: PortAudio error: Unanticipated host error

i tried the precompiled libportaudio.a and the library which comes with ubuntu (USER_LIBS = -lportaudio) without success.

in addition - every time when i work with ofSoundStream i get the following messages.

ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe
ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
ALSA lib pcm_dmix.c:957:(snd_pcm_dmix_open) The dmix plugin supports only playba

any ideas?

thanks,
felix

fxlange · November 16, 2011, 4:50pm

when i try to switch to rtaudio by changing the define in ofConstants.h

  
#ifdef TARGET_LINUX  
   #define OF_SOUNDSTREAM_RTAUDIO

and rebuild all i get the following error at runtime:

RtApiAlsa::callbackEvent: audio read error, Input/output error

fxlange · November 17, 2011, 10:38am

the problem described above happens on my ubuntu 64bit (11.04).

i switchted to ubuntu 32bit (11.10) and get the same probleme as described here

now i doesn’t matter if i try to set a deviceId or use the default. i get

[tt]OF: OF_LOG_ERROR: PortAudio error: Invalid device[/tt]

if i now install ubuntus portaudio and dont use the one included into oF i get the same error as on my 64bit ubunutu (described above).

arturo · November 17, 2011, 1:59pm

can you list the devices and post them here

fxlange · November 17, 2011, 2:08pm

sure

with portaudio19-dev listDevices() prints:

0: HDA Intel: ALC883 Analog (hw:0,0)
api: 0
max in channels2
max out channels6
default sample rate:44100
1: HDA Intel: ALC883 Digital (hw:0,1)
api: 0
max in channels2
max out channels2
default sample rate:44100
2: HDA Intel: ALC883 Analog (hw:0,2)
api: 0
max in channels2
max out channels0
default sample rate:44100
3: Wireless Mic #023114341: USB Audio (hw:1,0)
api: 0
max in channels2
max out channels0
default sample rate:44100
4: front
api: 0
max in channels0
max out channels6
default sample rate:44100
5: surround40
api: 0
max in channels0
max out channels6
default sample rate:44100
6: surround41
api: 0
max in channels0
max out channels128
default sample rate:44100
7: surround50
api: 0
max in channels0
max out channels128
default sample rate:44100
8: surround51
api: 0
max in channels0
max out channels6
default sample rate:44100
9: surround71
api: 0
max in channels0
max out channels6
default sample rate:44100
10: iec958
api: 0
max in channels0
max out channels2
default sample rate:44100
11: spdif
api: 0
max in channels2
max out channels2
default sample rate:44100
12: rawbluetooth
api: 0
max in channels1
max out channels1
default sample rate:8000
13: bluetooth
api: 0
max in channels128
max out channels128
default sample rate:44100
14: pulse
api: 0
max in channels32
max out channels32
default sample rate:44100
15: dmix
api: 0
max in channels0
max out channels2
default sample rate:48000
16: default
api: 0
max in channels32
max out channels32
default sample rate:44100

arturo · November 17, 2011, 2:36pm

which devices are you trying to use?

fxlange · November 17, 2011, 2:41pm

3 and 12. but at the moment i’m only trying 3.

and with rtaudi in only get the first 3 printed.

arturo · November 17, 2011, 2:48pm

have you tried to make them work in other programs? it could be a general problem with those devices under linux. Some other options

try using pulse (device 14) and configuring the input device in the audio config in the system to one of those devices.
try stopping pulse audio it could be using those devices and blocking them from being used in other software:
sudo service pulseaudio stop
if you have a browser with any window with flash opened close it
the same with any other app which could be using the devices like skype…

fxlange · November 17, 2011, 4:32pm

hey arturo,

thanks for your hints.

i tried both devices and both are working with ofSoundStream. but only one at the same time and only if i don’t set any device id. in this setup i have to configure my default input device to switch between both.
if i use the pulse deviceID it is the same. it works but i can only use the system default input.
i tried to stop pulseaudio with your suggested command and get

* PulseAudio configured for per-user sessions

after some more steps i managed to kill pulseaudio (and im not able to start it again …) and now i can set device 13 ( bluetooth headset) but not device 3 (wireless ps2 singstar) and without setting any deviceId the example app crashs - so i cant use the default until next system restart.

during reading about pulseaudio i came across stuff like ALSA and OSS. maybe i have to change some settings there or need other verions? maybe configure pulseaudio better?
i managed to use rtaudio with device 3 but as i mentioned before with rtaudio listDevices() prints only device 0-3 and logically i get an error with invalid deviceId if i try anything higher than 3.

so at the moment i can set one of them as default with portaudio, use device 3 with rtaudio or use device 13(bluetooth) after killing pulse. i need just one way to use both…

any more ideas?

thanks for reading,
felix