SV platform dependency builds

/** @file patest_sine_formats.c

        @ingroup test_src

        @brief Play a sine wave for several seconds. Test various data formats.

        @author Phil Burk

*/

/*

 * $Id$

 *

 * 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 NUM_SECONDS        (10)

#define SAMPLE_RATE        (44100)

#define FRAMES_PER_BUFFER  (512)

#define LEFT_FREQ          (SAMPLE_RATE/256.0)  /* So we hit 1.0 */

#define RIGHT_FREQ         (500.0)

#define AMPLITUDE          (1.0)

/* Select ONE format for testing. */

#define TEST_UINT8    (0)

#define TEST_INT8     (0)

#define TEST_INT16    (1)

#define TEST_FLOAT32  (0)

#if TEST_UINT8

#define TEST_FORMAT         paUInt8

typedef unsigned char       SAMPLE_t;

#define SAMPLE_ZERO         (0x80)

#define DOUBLE_TO_SAMPLE(x) (SAMPLE_ZERO + (SAMPLE_t)(127.0 * (x)))

#define FORMAT_NAME         "Unsigned 8 Bit"

#elif TEST_INT8

#define TEST_FORMAT         paInt8

typedef char                SAMPLE_t;

#define SAMPLE_ZERO         (0)

#define DOUBLE_TO_SAMPLE(x) (SAMPLE_ZERO + (SAMPLE_t)(127.0 * (x)))

#define FORMAT_NAME         "Signed 8 Bit"

#elif TEST_INT16

#define TEST_FORMAT         paInt16

typedef short               SAMPLE_t;

#define SAMPLE_ZERO         (0)

#define DOUBLE_TO_SAMPLE(x) (SAMPLE_ZERO + (SAMPLE_t)(32767 * (x)))

#define FORMAT_NAME         "Signed 16 Bit"

#elif TEST_FLOAT32

#define TEST_FORMAT         paFloat32

typedef float               SAMPLE_t;

#define SAMPLE_ZERO         (0.0)

#define DOUBLE_TO_SAMPLE(x) ((SAMPLE_t)(x))

#define FORMAT_NAME         "Float 32 Bit"

#endif

#ifndef M_PI

#define M_PI  (3.14159265)

#endif

typedef struct

{

    double left_phase;

    double right_phase;

    unsigned int framesToGo;

}

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;

    SAMPLE_t *out = (SAMPLE_t *)outputBuffer;

    int i;

    int framesToCalc;

    int finished = 0;

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

    if( data->framesToGo < framesPerBuffer )

    {

        framesToCalc = data->framesToGo;

        data->framesToGo = 0;

        finished = 1;

    }

    else

    {

        framesToCalc = framesPerBuffer;

        data->framesToGo -= framesPerBuffer;

    }

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

    {

        data->left_phase += (LEFT_FREQ / SAMPLE_RATE);

        if( data->left_phase > 1.0) data->left_phase -= 1.0;

        *out++ = DOUBLE_TO_SAMPLE( AMPLITUDE * sin( (data->left_phase * M_PI * 2. )));

        data->right_phase += (RIGHT_FREQ / SAMPLE_RATE);

        if( data->right_phase > 1.0) data->right_phase -= 1.0;

        *out++ = DOUBLE_TO_SAMPLE( AMPLITUDE * sin( (data->right_phase * M_PI * 2. )));

    }

    /* zero remainder of final buffer */

    for( ; i<(int)framesPerBuffer; i++ )

    {

        *out++ = SAMPLE_ZERO; /* left */

        *out++ = SAMPLE_ZERO; /* right */

    }

    return finished;

}

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

int main(void);

int main(void)

{

    PaStream *stream;

    PaStreamParameters outputParameters;

    PaError err;

    paTestData data;

    int totalSamps;

    printf("PortAudio Test: output " FORMAT_NAME "\n");

    data.left_phase = data.right_phase = 0.0;

    data.framesToGo = totalSamps =  NUM_SECONDS * SAMPLE_RATE; /* Play for a few seconds. */

    err = Pa_Initialize();

    if( err != paNoError ) goto error;

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

    outputParameters.channelCount     = 2;                           /* Stereo output */

    outputParameters.sampleFormat     = TEST_FORMAT;                 /* Selected above. */

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

    outputParameters.hostApiSpecificStreamInfo = NULL;

    err = Pa_OpenStream( &stream,

                         NULL,                  /* No input. */

                         &outputParameters,     /* As above. */

                         SAMPLE_RATE,

                         FRAMES_PER_BUFFER,

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

                         patestCallback,

                         &data );

    if( err != paNoError ) goto error;

    err = Pa_StartStream( stream );

    if( err != paNoError ) goto error;

    printf("Waiting %d seconds for sound to finish.\n", NUM_SECONDS );

    while( ( err = Pa_IsStreamActive( stream ) ) == 1 ) Pa_Sleep(100);

    if( err < 0 ) goto error;

    err = Pa_CloseStream( stream );

    if( err != paNoError ) goto error;

    Pa_Terminate();

    printf("PortAudio Test Finished: " FORMAT_NAME "\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;

}