SV platform dependency builds

/** @file patest_two_rates.c

        @ingroup test_src

        @brief Play two streams at different rates to make sure they don't interfere.

        @author Phil Burk <philburk@softsynth.com>

*/

/*

 * $Id$

 *

 * Author: Phil Burk  http://www.softsynth.com

 *

 * 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 OUTPUT_DEVICE       (Pa_GetDefaultOutputDeviceID())

#define SAMPLE_RATE_1       (44100)

#define SAMPLE_RATE_2       (48000)

#define FRAMES_PER_BUFFER   (256)

#define FREQ_INCR           (0.1)

#ifndef M_PI

#define M_PI  (3.14159265)

#endif

typedef struct

{

    double phase;

    int    numFrames;

} 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;

    int frameIndex;

    (void) timeInfo; /* Prevent unused variable warnings. */

    (void) inputBuffer;

    for( frameIndex=0; frameIndex<(int)framesPerBuffer; frameIndex++ )

    {

        /* Generate sine wave. */

        float value = (float) 0.3 * sin(data->phase);

        /* Stereo - two channels. */

        *out++ = value;

        *out++ = value;

        data->phase += FREQ_INCR;

        if( data->phase >= (2.0 * M_PI) ) data->phase -= (2.0 * M_PI);

    }

        data->numFrames += 1;

    return 0;

}

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

int main(void);

int main(void)

{

    PaError err;

    PaStreamParameters outputParameters;

    PaStream *stream1;

    PaStream *stream2;

    paTestData data1 = {0};

    paTestData data2 = {0};

    printf("PortAudio Test: two rates.\n" );

    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 = 2;       /* stereo output */

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

    outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;

    outputParameters.hostApiSpecificStreamInfo = NULL;

    /* Start first stream. **********************/        

    err = Pa_OpenStream(

                                                &stream1,

                                                NULL, /* no input */

                                                &outputParameters,

                                                SAMPLE_RATE_1,

                                                FRAMES_PER_BUFFER,

                                                paClipOff,      /* we won't output out of range samples so don't bother clipping them */

                                                patestCallback,

                                                &data1 );

        if( err != paNoError ) goto error;

    err = Pa_StartStream( stream1 );

    if( err != paNoError ) goto error;

    Pa_Sleep( 3 * 1000 );

    /* Start second stream. **********************/

    err = Pa_OpenStream(

                                                &stream2,

                                                NULL, /* no input */

                                                &outputParameters,

                                                SAMPLE_RATE_2,

                                                FRAMES_PER_BUFFER,

                                                paClipOff,      /* we won't output out of range samples so don't bother clipping them */

                                                patestCallback,

                                                &data2 );

    if( err != paNoError ) goto error;

    err = Pa_StartStream( stream2 );

    if( err != paNoError ) goto error;

    Pa_Sleep( 3 * 1000 );

    err = Pa_StopStream( stream2 );

    if( err != paNoError ) goto error;

    Pa_Sleep( 3 * 1000 );

    err = Pa_StopStream( stream1 );

    if( err != paNoError ) goto error;

    Pa_CloseStream( stream2 );

    Pa_CloseStream( stream1 );

    Pa_Terminate();

    printf("NumFrames = %d on stream1, %d on stream2.\n", data1.numFrames, data2.numFrames );

    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;

}