SV platform dependency builds

/** @file patest_unplug.c

        @ingroup test_src

        @brief Debug a crash involving unplugging a USB device.

        @author Phil Burk  http://www.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 <stdlib.h>

#include <memory.h>

#include <math.h>

#include "portaudio.h"

#define NUM_SECONDS   (8)

#define SAMPLE_RATE   (44100)

#ifndef M_PI

#define M_PI  (3.14159265)

#endif

#define TABLE_SIZE        (200)

#define FRAMES_PER_BUFFER  (64)

#define MAX_CHANNELS        (8)

typedef struct

{

    short sine[TABLE_SIZE];

    int32_t phases[MAX_CHANNELS];

    int32_t numChannels;

    int32_t sampsToGo;

}

paTestData;

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

                          unsigned long framesPerBuffer,

                          const PaStreamCallbackTimeInfo* timeInfo,

                          PaStreamCallbackFlags statusFlags,

                          void *userData )

{

    paTestData *data = (paTestData*)userData;

    int finished = 0;

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

    (void) outputBuffer; /* Prevent "unused variable" warnings. */

    data->sampsToGo -= framesPerBuffer;

    if (data->sampsToGo <= 0)

    {

        data->sampsToGo = 0;

        finished = 1;

    }

    return finished;

}

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

                            unsigned long framesPerBuffer,

                            const PaStreamCallbackTimeInfo* timeInfo,

                            PaStreamCallbackFlags statusFlags,

                            void *userData )

{

    paTestData *data = (paTestData*)userData;

    short *out = (short*)outputBuffer;

    unsigned int i;

    int finished = 0;

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

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

    {

        for (int channelIndex = 0; channelIndex < data->numChannels; channelIndex++)

        {

            int phase = data->phases[channelIndex];

            *out++ = data->sine[phase];

            phase += channelIndex + 2;

            if( phase >= TABLE_SIZE ) phase -= TABLE_SIZE;

            data->phases[channelIndex] = phase;

        }

    }

    return finished;

}

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

int main(int argc, char **args);

int main(int argc, char **args)

{

    PaStreamParameters inputParameters;

    PaStreamParameters outputParameters;

    PaStream *inputStream;

    PaStream *outputStream;

    const PaDeviceInfo *deviceInfo;

    PaError err;

    paTestData data;

    int i;

    int totalSamps;

    int inputDevice = -1;

    int outputDevice = -1;

    printf("Test unplugging a USB device.\n");

    if( argc > 1 ) {

       inputDevice = outputDevice = atoi( args[1] );

       printf("Using device number %d.\n\n", inputDevice );

    } else {

       printf("Using default device.\n\n" );

    }

    memset(&data, 0, sizeof(data));

    /* initialise sinusoidal wavetable */

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

    {

        data.sine[i] = (short) (32767.0 * sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ));

    }

    data.numChannels = 2;

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

    err = Pa_Initialize();

    if( err != paNoError ) goto error;

    if( inputDevice == -1 )

        inputParameters.device = Pa_GetDefaultInputDevice(); /* default input device */

    else

        inputParameters.device = inputDevice ;

    if (inputParameters.device == paNoDevice) {

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

        goto error;

    }

    if( outputDevice == -1 )

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

    else

        outputParameters.device = outputDevice ;

    if (outputParameters.device == paNoDevice) {

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

        goto error;

    }

    inputParameters.channelCount = 2;

    inputParameters.sampleFormat = paInt16;

    deviceInfo = Pa_GetDeviceInfo( inputParameters.device );

    if( deviceInfo == NULL )

    {

        fprintf( stderr, "No matching input device.\n" );

        goto error;

    }

    inputParameters.suggestedLatency = deviceInfo->defaultLowInputLatency;

    inputParameters.hostApiSpecificStreamInfo = NULL;

    err = Pa_OpenStream(

                &inputStream,

                &inputParameters,

                NULL,

                SAMPLE_RATE,

                FRAMES_PER_BUFFER,

                0,

                inputCallback,

                &data );

    if( err != paNoError ) goto error;

    outputParameters.channelCount = 2;

    outputParameters.sampleFormat = paInt16;

    deviceInfo = Pa_GetDeviceInfo( outputParameters.device );

    if( deviceInfo == NULL )

    {

        fprintf( stderr, "No matching output device.\n" );

        goto error;

    }

    outputParameters.suggestedLatency = deviceInfo->defaultLowOutputLatency;

    outputParameters.hostApiSpecificStreamInfo = NULL;

    err = Pa_OpenStream(

                &outputStream,

                NULL,

                &outputParameters,

                SAMPLE_RATE,

                FRAMES_PER_BUFFER,

                (paClipOff | paDitherOff),

                outputCallback,

                &data );

    if( err != paNoError ) goto error;

    err = Pa_StartStream( inputStream );

    if( err != paNoError ) goto error;

    err = Pa_StartStream( outputStream );

    if( err != paNoError ) goto error;

    printf("When you hear sound, unplug the USB device.\n");

    do

    {

        Pa_Sleep(500);

        printf("Frames remaining = %d\n", data.sampsToGo);

        printf("Pa_IsStreamActive(inputStream) = %d\n", Pa_IsStreamActive(inputStream));

        printf("Pa_IsStreamActive(outputStream) = %d\n", Pa_IsStreamActive(outputStream));

    } while( Pa_IsStreamActive(inputStream) && Pa_IsStreamActive(outputStream) );

    err = Pa_CloseStream( inputStream );

    if( err != paNoError ) goto error;

    err = Pa_CloseStream( outputStream );

    if( err != paNoError ) goto error;

    Pa_Terminate();

    return paNoError;

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 ) );

    fprintf( stderr, "Host Error message: %s\n", Pa_GetLastHostErrorInfo()->errorText );

    return err;

}