[Portaudio] Portaudio "queries" on ARM

Sat Mar 31 15:47:12 EDT 2012

Alan, just for your reference, here are the messages I get when
launching audacity from x86. These messages are fewer in number as
compared to the ones obtained when launching audacity on ARM.

######################################################################################################
[ajay at ajay audacity-src-2.0.0]$ ./audacity
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 playback stream
ALSA lib pcm_dmix.c:1018:(snd_pcm_dmix_open) unable to open slave
Expression 'stream->capture.pcm' failed in
'src/hostapi/alsa/pa_linux_alsa.c', line: 3857
Expression 'ret' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 1035
Expression 'AlsaOpen( &alsaApi->baseHostApiRep, params, streamDir,
&self->pcm )' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 1192
Expression 'PaAlsaStreamComponent_Initialize( &self->capture, alsaApi,
inParams, StreamDirection_In, NULL != callback )' failed in
'src/hostapi/alsa/pa_linux_alsa.c', line: 1433
Expression 'PaAlsaStream_Initialize( stream, alsaHostApi,
inputParameters, outputParameters, sampleRate, framesPerBuffer,
callback, streamFlags, userData )' failed in
'src/hostapi/alsa/pa_linux_alsa.c', line: 2105
######################################################################################################

Regards,
Ajay

On Sat, Mar 31, 2012 at 11:04 PM, Ajay Garg <ajaygargnsit at gmail.com> wrote:
> Thanks Alan.
>
>
> a)
> I built "portaudio" with "./configure --with-alsa=yes --with-jack=no
> /prefix=/usr/"
>
>
>
>
>
> b)
> Checked the cards present on ARM.
>
> ###################################################################################
> [olpc at xo-c5-b9-6c audacity-src-2.0.0]$ cat /proc/asound/cards
>
>  0 [XO175          ]:  - OLPC XO-1.75
>
>                      OLPC XO-1.75
> ###################################################################################
>
>
>
>
>
> c)
> Set the default audio devices (as seen by contents of "/etc/asound.conf")
>
> ###################################################################################
> [olpc at xo-c5-b9-6c audacity-src-2.0.0]$ cat /etc/asound.conf
>
> #
>
> # Place your global alsa-lib configuration here...
>
> #
>
>
>
> defaults.ctl.card 0
>
> defaults.pcm.card 0
>
> defaults.timer.card 0
> ###################################################################################
>
>
>
>
>
>
> d)
> Checked "pa_devs". Now, it could see some audio device. Thanks Alan :-)
>
> ###################################################################################
> [olpc at xo-c5-b9-6c audacity-src-2.0.0]$ ~/portaudio/portaudio/bin/pa_devs
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
>
> 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.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround40
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround41
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround50
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround51
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround71
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline
>
> ALSA lib pcm_dmix.c:957:(snd_pcm_dmix_open) The dmix plugin supports
> only playback stream
>
> PortAudio version number = 1899
>
> PortAudio version text = 'PortAudio V19-devel (built Mar 31 2012 22:22:33)'
>
> Number of devices = 3
>
> --------------------------------------- device #0
>
> Name                        = OLPC XO-1.75:  (hw:0,0)
>
> Host API                    = ALSA
>
> Max inputs = 2, Max outputs = 2
>
> Default low input latency   =   0.0116
>
> Default low output latency  =   0.0107
>
> Default high input latency  =   0.0464
>
> Default high output latency =   0.0427
>
> Default sample rate         = 48000.00
>
> Supported standard sample rates
>
>  for half-duplex 16 bit 2 channel input =
>
>         8000.00, 11025.00, 16000.00, 22050.00,
>
>        32000.00, 44100.00, 48000.00, 88200.00,
>
>        96000.00
>
> Supported standard sample rates
>
>  for half-duplex 16 bit 2 channel output =
>
>         8000.00, 11025.00, 16000.00, 22050.00,
>
>        32000.00, 48000.00
>
> Supported standard sample rates
>
>  for full-duplex 16 bit 2 channel input, 2 channel output =
>
>         8000.00, 11025.00, 16000.00, 22050.00,
>
>        32000.00, 48000.00
>
> --------------------------------------- device #1
>
> [ Default Input, Default Output ]
>
> Name                        = default
>
> Host API                    = ALSA
>
> Max inputs = 128, Max outputs = 128
>
> Default low input latency   =   0.0116
>
> Default low output latency  =   0.0116
>
> Default high input latency  =   0.0464
>
> Default high output latency =   0.0464
>
> Default sample rate         = 44100.00
>
> Supported standard sample rates
>
>  for half-duplex 16 bit 128 channel input =
>
>         8000.00,  9600.00, 11025.00, 12000.00,
>
>        16000.00, 22050.00, 24000.00, 32000.00,
>
>        44100.00, 48000.00, 88200.00, 96000.00,
>
>        192000.00
>
> Supported standard sample rates
>
>  for half-duplex 16 bit 128 channel output =
>
>         8000.00,  9600.00, 11025.00, 12000.00,
>
>        16000.00, 22050.00, 24000.00, 32000.00,
>
>        44100.00, 48000.00, 88200.00, 96000.00,
>
>        192000.00
>
> Supported standard sample rates
>
>  for full-duplex 16 bit 128 channel input, 128 channel output =
>
>         8000.00,  9600.00, 11025.00, 12000.00,
>
>        16000.00, 22050.00, 24000.00, 32000.00,
>
>        44100.00, 48000.00, 88200.00, 96000.00,
>
>        192000.00
>
> --------------------------------------- device #2
>
> Name                        = dmix
>
> Host API                    = ALSA
>
> Max inputs = 0, Max outputs = 2
>
> Default low input latency   =  -1.0000
>
> Default low output latency  =   0.0427
>
> Default high input latency  =  -1.0000
>
> Default high output latency =   0.0427
>
> Default sample rate         = 48000.00
>
> Supported standard sample rates
>
>  for half-duplex 16 bit 2 channel output =
>
>        48000.00
>
> ----------------------------------------------
> ###################################################################################
>
>
>
>
>
> e)
> Checked "paex_sine". Now, it could see some audio device. Thanks Alan :-)
>
> ###################################################################################
> [olpc at xo-c5-b9-6c audacity-src-2.0.0]$ ~/portaudio/portaudio/bin/paex_sine
>
> PortAudio Test: output sine wave. SR = 44100, BufSize = 64
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
>
> 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.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround40
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround41
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround50
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround51
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround71
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline
>
> ALSA lib pcm_dmix.c:957:(snd_pcm_dmix_open) The dmix plugin supports
> only playback stream
>
> Play for 5 seconds.
>
> Stream Completed: No Message
>
> Test finished.
> ###################################################################################
>
>
>
>
>
> f)
> Finally, checked audacity. UNFORTUNATELY, IT REFUSES TO BE MOVED :~ :~ :~
>
> ###################################################################################
> [olpc at xo-c5-b9-6c audacity-src-2.0.0]$ ./audacity
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
>
> 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.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround40
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround41
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround50
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround51
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround71
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline
>
> ALSA lib pcm_dmix.c:957:(snd_pcm_dmix_open) The dmix plugin supports
> only playback stream
>
> Cannot connect to server socket err = No such file or directory
>
> Cannot connect to server socket
>
> jack server is not running or cannot be started
>
> Expression 'ret' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 1035
>
> Expression 'AlsaOpen( &alsaApi->baseHostApiRep, params, streamDir,
> &self->pcm )' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 1192
>
> Expression 'PaAlsaStreamComponent_Initialize( &self->playback,
> alsaApi, outParams, StreamDirection_Out, NULL != callback )' failed in
> 'src/hostapi/alsa/pa_linux_alsa.c', line: 1437
>
> Expression 'PaAlsaStream_Initialize( stream, alsaHostApi,
> inputParameters, outputParameters, sampleRate, framesPerBuffer,
> callback, streamFlags, userData )' failed in
> 'src/hostapi/alsa/pa_linux_alsa.c', line: 2105
>
> Expression 'stream->playback.pcm' failed in
> 'src/hostapi/alsa/pa_linux_alsa.c', line: 3875
>
> Expression 'stream->playback.pcm' failed in
> 'src/hostapi/alsa/pa_linux_alsa.c', line: 3875
>
> Expression 'stream->playback.pcm' failed in
> 'src/hostapi/alsa/pa_linux_alsa.c', line: 3875
> ###################################################################################
>
> I STILL CANNOT GET TO "Import Audio".
>
>
>
>
> Alan, I myself am a coder.
> Any particular piece of code that you would like me to look into?
>
>
>
>
> Regards,
> Ajay
>
>
> On Sat, Mar 31, 2012 at 9:42 PM, Alan Horstmann <gineera at aspect135.co.uk> wrote:
>> Hi Ajay,
>>
>> On Saturday 31 March 2012 15:18, you wrote:
>>> I was just following your procedure; checking out portaudio.
>>> My ultimate aim is still to get the "Import Audio" feature working in
>>> audacity.
>>>
>>> "aplay mp3>" works.
>>
>> Unless you *really* need it, don't use/build/worry about Jack.  Portaudio will
>> use Alsa directly.  Leave them off your cc list too!
>>
>> Most of the Portaudio messages are harmless warnings, including
>>
>> "jack server is not running or cannot be started"
>>
>>
>> However, when pa_devs reports
>>
>> "Number of devices = 0"
>>
>> It is explaining it has found no Alsa devices at all.  It is not going to work
>> then.  Hence paex_sine says
>>
>> "Error: No default output device."
>>
>> Compile Portaudio without Jack support, then there will only be one set of
>> warnings to analyse!
>>
>>> > Just a quick comment - what are you trying to get going?  Jack is not
>>> > needed to use Portaudio (and in fact Portaudio-jack is believed rather
>>> > buggy ATM). If you don't need Jack, leave it out - either compile without
>>> > jack support or ignore the message when Portaudio initializes saying that
>>> > jack is not running.  It is just probing for the api.
>>
>>
>>  Alan