[Stk] RtAudio and Stk interface

[alpana jui]

Dear Gary,


 Thank you very much.


I check this and this is working well in the terminal and result of
stk-4.3.1 audioprobe is


Compiled APIs:
  OS-X Core Audio

Current API: OS-X Core Audio

Found 3 device(s) ...

Device Name = Apple Inc.: Built-in Microphone
Probe Status = Successful
Output Channels = 0
Input Channels = 2
Duplex Channels = 0
This is NOT the default output device.
This is the default input device.
Natively supported data formats:
  32-bit float
Supported sample rates = 44100 48000 88200 96000

Device Name = Apple Inc.: Built-in Input
Probe Status = Successful
Output Channels = 0
Input Channels = 2
Duplex Channels = 0
This is NOT the default output device.
This is NOT the default input device.
Natively supported data formats:
  32-bit float
Supported sample rates = 44100 48000 88200 96000

Device Name = Apple Inc.: Built-in Output
Probe Status = Successful
Output Channels = 2
Input Channels = 0
Duplex Channels = 0
This is the default output device.
This is NOT the default input device.
Natively supported data formats:
  32-bit float
Supported sample rates = 44100 48000 88200 96000


But I could not manage the same on the Xcode IDE and always find
RtAudio Dummy API. I set the preprocessor direcitve, i.e.,

#ifndef __MACOSX_CORE__
#define __MACOSX_CORE__
#endif

Still it does not work but RtAPI Dummy with no functionality. I tried
some simple examples using terminal in differnent directory, I can
compile this, but no output or could not run.


Is there any procedure to follow when I try to use STK-4.3.1 on Xcode
to set up the audio so that no dummy functionality appears. I am sure
that my audio device has functional ability since this works with
music.

I will appreciate the help  to use  STK-4.3.1 on Xcode 3.1.  I need to
read  and write several disk wav files ( 20 or more ) for sample
computation and further processing  and some simple command recording
for its reading and writing on the disk for signal analysis.  I can
use some sine examples that is in the tutorial on the Xcode to write
samples from sine wav file. But I do not need sine wav for my
application, I need to use some other spoken wav files that are on my
disk.



If you use XCode IDE, could you let me know what I can do to use this
Stk-4.3.1 for my purpose.


Look forward to hearing from you.

Thank you,
Jui

On Fri, Sep 26, 2008 at 2:45 AM, Gary Scavone <gary at ccrma.stanford.edu> wrote:
> Hi Alpana,
>
> I have 10.5.5 and an Intel Mac and I haven't had problems with Stk 4.3.1.
>  What version of g++ are you using?  Download the current version, run
> "configure" in the root directory of the distribution, then go to the
> "projects/examples" directory and type "make audioprobe".  Then run the
> compiled application to see what devices and capabilities RtAudio is
> finding.
>
> Regards,
>
> --gary
>
> On 25-Sep-08, at 8:15 PM, alpana jui wrote:
>
>> Dear Everybody,
>>
>>
>> I can only use at present 4.2.1 stk for my MACOX core audio. The
>> recent version is not configuring  my device, Mac 10.5.5 yet.
>>
>>
>> I will appreciate this if  anybody could please check my attached
>> parameters in this  setting. The purpose to use Stk  in my application
>> is  to disk wav files and also to be able to  record some commands
>> for signal analysis.  I am using Stk- 4.2.1 and StkX.
>>
>>
>> I have RtAudioStream status is not declared or set error. I presume
>> 4.3.1 an 4.2.1 have some difference in the API  settings. I just need
>> to use this properly for the time being.
>>
>>
>> In main.cpp
>>
>>
>> _rec_status(false),
>> _adc(new RtAudio(RtAudio::MACOSX_CORE)),
>> _sampleRate(44100),//Hz
>> _bufferFrames(1024),//number of samples per cycle
>> _DCcoeffs ( *(new wxClientDC (panel_FT) ) ),
>> _scale_x (512), _scale_y(512), // dimension of panel_FT
>> _x ( new Signal), // needed for callbackfunction - RtAudio
>> _calls (0),//callback-counter
>> _cost (Entropy),
>> _costpar (0.1),
>> _fixed_analyze_size (8192),
>> _fb_counter (0),
>>
>>
>>
>>
>>        assert(_adc);
>>        assert(_x);
>>        assert(_fixed_buffer);
>>        _x->RtAudioInterface(_fixed_buffer, _fixed_analyze_size);
>>
>>        //_COUT.open("/Users/Desktop/tu/_cout");
>>
>>
>> _adc->getCurrentApi();
>>        if ( _adc -> getDeviceCount() < 1 ) {
>>                wxMessageBox ( _("No audio devices found!"));
>>
>>                button_rec -> Enable(false);
>>
>>
>> unsigned deviceId = 3; /
>>
>>        _deviceinfo=_adc->getDeviceInfo(deviceId);/
>>
>>        _parameters.deviceId = deviceId;
>>        _parameters.nChannels = 1;//_deviceinfo.inputChannels;//should be
>> == 16
>>        _parameters.firstChannel = 0;
>>
>>
>> In RtAudio.cpp:
>> int RtAudioInterface( void *outputBuffer,
>>                                         void *inputBuffer,
>>                                         unsigned int nBufferFrames,
>>                                         double streamTime,
>>                                         RtAudioStreamStatus status,
>>                                         void *callbackdata )
>> {
>>
>>
>> But I am contnously having
>> RtAudioStreamStatus status is not declared or set error.
>>
>>
>> Is this APi used in STK: 4.3.1? If not , could you let me know which
>> API I should use for this ?
>>
>>
>> In Signal.cpp
>>
>>
>> int Signal::RtAudioInterface( real* inputBuffer, C::index nBufferFrames)
>>
>>
>> For disk wav files reading and computing  as well as writing speech
>> samples:
>>
>> FileWvIn input("test.wav");
>> input.tick();
>>
>> Are all the above parameters are set and used properly when I am using
>> STK-42.1 for recording  speech command and using disk wav files since
>> who some of these API were written earlier following 4.3.1. But I can
>> only manage so far 4.2.1 on Mac Xcode and there I would like to use
>> 4.2.1.
>>
>>
>> I will appreciate very much your advice and the directions on my
>> concerns and problems.
>>
>>
>> Look forward to hearing from you.
>>
>> With sincere thanks,
>> Jui
>>
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>> Stk at ccrma.stanford.edu
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>
>