SV platform dependency builds

#ifndef _PABLIO_H

#define _PABLIO_H

#ifdef __cplusplus

extern "C"

{

#endif /* __cplusplus */

/*

 * $Id$

 * PABLIO.h

 * Portable Audio Blocking read/write utility.

 *

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

 *

 * Include file for PABLIO, the Portable Audio Blocking I/O Library.

 * PABLIO is built on top of PortAudio, the 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 <math.h>

#include "portaudio.h"

#include "pa_ringbuffer.h"

#include <string.h>

typedef struct

{

    RingBuffer   inFIFO;

    RingBuffer   outFIFO;

    PortAudioStream *stream;

    int          bytesPerFrame;

    int          samplesPerFrame;

}

PABLIO_Stream;

/* Values for flags for OpenAudioStream(). */

#define PABLIO_READ     (1<<0)

#define PABLIO_WRITE    (1<<1)

#define PABLIO_READ_WRITE    (PABLIO_READ|PABLIO_WRITE)

#define PABLIO_MONO     (1<<2)

#define PABLIO_STEREO   (1<<3)

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

 * Write data to ring buffer.

 * Will not return until all the data has been written.

 */

long WriteAudioStream( PABLIO_Stream *aStream, void *data, long numFrames );

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

 * Read data from ring buffer.

 * Will not return until all the data has been read.

 */

long ReadAudioStream( PABLIO_Stream *aStream, void *data, long numFrames );

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

 * Return the number of frames that could be written to the stream without

 * having to wait.

 */

long GetAudioStreamWriteable( PABLIO_Stream *aStream );

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

 * Return the number of frames that are available to be read from the

 * stream without having to wait.

 */

long GetAudioStreamReadable( PABLIO_Stream *aStream );

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

 * Opens a PortAudio stream with default characteristics.

 * Allocates PABLIO_Stream structure.

 *

 * flags parameter can be an ORed combination of:

 *    PABLIO_READ, PABLIO_WRITE, or PABLIO_READ_WRITE,

 *    and either PABLIO_MONO or PABLIO_STEREO

 */

PaError OpenAudioStream( PABLIO_Stream **aStreamPtr, double sampleRate,

                         PaSampleFormat format, long flags );

PaError CloseAudioStream( PABLIO_Stream *aStream );

#ifdef __cplusplus

}

#endif /* __cplusplus */

#endif /* _PABLIO_H */