SV platform dependency builds

/** @file patest_hang.c

        @ingroup test_src

        @brief Play a sine then hang audio callback to test watchdog.

        @author Ross Bencina <rossb@audiomulch.com>

        @author Phil Burk <philburk@softsynth.com>

*/

/*

 * $Id$

 *

 * This program uses the PortAudio Portable Audio Library.

 * For more information see: http://www.portaudio.com

 * Copyright (c) 1999-2000 Ross Bencina and Phil Burk

 *

 * Permission is hereby granted, free of charge, to any person obtaining

 * a copy of this software and associated documentation files

 * (the "Software"), to deal in the Software without restriction,

 * including without limitation the rights to use, copy, modify, merge,

 * publish, distribute, sublicense, and/or sell copies of the Software,

 * and to permit persons to whom the Software is furnished to do so,

 * subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be

 * included in all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR

 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF

 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION

 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

 */

/*

 * The text above constitutes the entire PortAudio license; however, 

 * the PortAudio community also makes the following non-binding requests:

 *

 * Any person wishing to distribute modifications to the Software is

 * requested to send the modifications to the original developer so that

 * they can be incorporated into the canonical version. It is also 

 * requested that these non-binding requests be included along with the 

 * license above.

 */

#include <stdio.h>

#include <math.h>

#include "portaudio.h"

#define SAMPLE_RATE       (44100)

#define FRAMES_PER_BUFFER (1024)

#ifndef M_PI

#define M_PI              (3.14159265)

#endif

#define TWOPI             (M_PI * 2.0)

typedef struct paTestData

{

    int    sleepFor;

    double phase;

}

paTestData;

/* This routine will be called by the PortAudio engine when audio is needed.

** It may called at interrupt level on some machines so don't do anything

** that could mess up the system like calling malloc() or free().

*/

static int patestCallback( const void *inputBuffer, void *outputBuffer,

                           unsigned long framesPerBuffer,

                           const PaStreamCallbackTimeInfo* timeInfo,

                           PaStreamCallbackFlags statusFlags,

                           void *userData )

{

    paTestData *data = (paTestData*)userData;

    float *out = (float*)outputBuffer;

    unsigned long i;

    int finished = 0;

    double phaseInc = 0.02;

    double phase = data->phase;

    (void) inputBuffer; /* Prevent unused argument warning. */

    for( i=0; i<framesPerBuffer; i++ )

    {

        phase += phaseInc;

        if( phase > TWOPI ) phase -= TWOPI;

        /* This is not a very efficient way to calc sines. */

        *out++ = (float) sin( phase ); /* mono */

    }

    if( data->sleepFor > 0 )

    {

        Pa_Sleep( data->sleepFor );

    }

    data->phase = phase;

    return finished;

}

/*******************************************************************/

int main(void);

int main(void)

{

    PaStream*           stream;

    PaStreamParameters  outputParameters;

    PaError             err;

    int                 i;

    paTestData          data = {0};

    printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n",

        SAMPLE_RATE, FRAMES_PER_BUFFER );

    err = Pa_Initialize();

    if( err != paNoError ) goto error;

    outputParameters.device = Pa_GetDefaultOutputDevice(); /* Default output device. */

    if (outputParameters.device == paNoDevice) {

      fprintf(stderr,"Error: No default output device.\n");

      goto error;

    }

    outputParameters.channelCount = 1;                     /* Mono output. */

    outputParameters.sampleFormat = paFloat32;             /* 32 bit floating point. */

    outputParameters.hostApiSpecificStreamInfo = NULL;

    outputParameters.suggestedLatency          = Pa_GetDeviceInfo(outputParameters.device)

                                                 ->defaultLowOutputLatency;

    err = Pa_OpenStream(&stream,

                        NULL,                    /* No input. */

                        &outputParameters,

                        SAMPLE_RATE,

                        FRAMES_PER_BUFFER,

                        paClipOff,               /* No out of range samples. */

                        patestCallback,

                        &data);

    if (err != paNoError) goto error;

    err = Pa_StartStream( stream );

    if( err != paNoError ) goto error;

    /* Gradually increase sleep time. */

    /* Was: for( i=0; i<10000; i+= 1000 ) */

    for(i=0; i <= 1000; i += 100)

    {

        printf("Sleep for %d milliseconds in audio callback.\n", i );

        data.sleepFor = i;

        Pa_Sleep( ((i<1000) ? 1000 : i) );

    }

    printf("Suffer for 10 seconds.\n");

    Pa_Sleep( 10000 );

    err = Pa_StopStream( stream );

    if( err != paNoError ) goto error;

    err = Pa_CloseStream( stream );

    if( err != paNoError ) goto error;

    Pa_Terminate();

    printf("Test finished.\n");

    return err;

error:

    Pa_Terminate();

    fprintf( stderr, "An error occured while using the portaudio stream\n" );

    fprintf( stderr, "Error number: %d\n", err );

    fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );

    return err;

}