I cannot work real time any longer

PortAudio: available output devices:
   0: /dev/dsp
   1: Intel 82801CA-ICH3: Intel 82801CA-ICH3 (hw:0,0)
 *** PortAudio: must specify a device number, not a name
Failed to initialise real time audio output

I need to use plughw:0 and this used to work (I wrote it after all).
Is there ant reason this facility was removed?
==John ffitch


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Hi John,

My guess is that you might be compiling with the PortAudio driver that
Istvan wrote and not the one you had written. If so, you can compile
the other Portaudio plugin using "useOldPortAudioPlugin=1".  I haven't
been using either nor the named device facility, so am only guessing
here.

steven

On Apr 4, 2005 10:49 PM, jpff@codemist.co.uk  wrote:
> I cannot work real time any longer
> 
> PortAudio: available output devices:
>    0: /dev/dsp
>    1: Intel 82801CA-ICH3: Intel 82801CA-ICH3 (hw:0,0)
>  *** PortAudio: must specify a device number, not a name
> Failed to initialise real time audio output
> 
> I need to use plughw:0 and this used to work (I wrote it after all).
> Is there ant reason this facility was removed?
> ==John ffitch
> 
> -------------------------------------------------------
> SF email is sponsored by - The IT Product Guide
> Read honest & candid reviews on hundreds of IT Products from real users.
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jpff@codemist.co.uk wrote:

> I cannot work real time any longer
> 
> PortAudio: available output devices:
>    0: /dev/dsp
>    1: Intel 82801CA-ICH3: Intel 82801CA-ICH3 (hw:0,0)
>  *** PortAudio: must specify a device number, not a name
> Failed to initialise real time audio output

If you do not have any cards other than the Intel 82801CA, then
use -odac1 which should select that device using ALSA (hw:0,0).
rtpa_new.c does not (yet) support "host API specific" device
selection (that is, device names instead of numbers), and the
error message tells exactly that.

 > I need to use plughw:0 and this used to work (I wrote it after all).
 > Is there ant reason this facility was removed?

It was not removed, you only need to compile with useOldPortAudioPlugin=1.
Note however that rtpa_new.c may have better latency with ALSA because
it uses PortAudio in blocking mode directly, rather than implementing a
layer of blocking I/O emulation.


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