SV platform dependency builds

/*

 * PortAudio Portable Real-Time Audio Library

 * Latest Version at: http://www.portaudio.com

 *

 * Copyright (c) 1999-2010 Phil Burk and Ross Bencina

 *

 * 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 "paqa_tools.h"

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

void PaQa_ListAudioDevices(void)

{

    int     i, numDevices;

    const   PaDeviceInfo *deviceInfo;                

    numDevices = Pa_GetDeviceCount();    

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

    {

        deviceInfo = Pa_GetDeviceInfo( i );

        printf( "#%d: ", i );

        printf( "%2d in", deviceInfo->maxInputChannels  );

        printf( ", %2d out", deviceInfo->maxOutputChannels  );

                printf( ",  %s", deviceInfo->name );

        printf( ", on %s\n",  Pa_GetHostApiInfo( deviceInfo->hostApi )->name );

        }

}

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

void PaQa_ConvertToFloat( const void *input, int numSamples, PaSampleFormat inFormat, float *output )

{

        int i;

        switch( inFormat )

        {

                case paUInt8:

                {

                        unsigned char *data = (unsigned char *)input;

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

                        {

                                int value = *data++;

                                value -= 128;

                                *output++ = value / 128.0f;

                        }

                }

                        break;

                case paInt8:

                {

                        char *data = (char *)input;

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

                        {

                                int value = *data++;

                                *output++ = value / 128.0f;

                        }

                }

                        break;

                case paInt16:

                {

                        short *data = (short *)input;

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

                        {

                                *output++ = *data++ / 32768.0f;

                        }

                }

                        break;

                case paInt32:

                {

                        int *data = (int *)input;

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

                        {

                                int value = (*data++) >> 8;

                                float fval = (float) (value / ((double) 0x00800000));

                                *output++ = fval;

                        }

                }

                        break;

        }

}

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

void PaQa_ConvertFromFloat( const float *input, int numSamples, PaSampleFormat outFormat, void *output )

{

        int i;

        switch( outFormat )

        {

                case paUInt8:

                {

                        unsigned char *data = (unsigned char *)output;

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

                        {

                                float value = *input++;

                                int byte = ((int) (value * 127)) + 128;

                                *data++ = (unsigned char) byte;

                        }

                }

                        break;

                case paInt8:

                {

                        char *data = (char *)output;

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

                        {

                                float value = *input++;

                                int byte = (int) (value * 127);

                                *data++ = (char) byte;

                        }

                }

                        break;

                case paInt16:

                {

                        short *data = (short *)output;

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

                        {

                                float value = *input++;

                                // Use assymmetric conversion to avoid clipping.

                                short sval = value * 32767.0;

                                *data++ = sval;

                        }

                }

                        break;

                case paInt32:

                {

                        int *data = (int *)output;

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

                        {

                                float value = *input++;

                                // Use assymmetric conversion to avoid clipping.

                                int ival = value * ((double) 0x007FFFF0);

                                ival = ival << 8;

                                *data++ = ival;

                        }

                }

                        break;

        }

}