add plibsys

1 files changed, 0 insertions, 314 deletions

diff --git a/portaudio/pablio/pablio.c b/portaudio/pablio/pablio.c
deleted file mode 100644
index 2275250..0000000
--- a/portaudio/pablio/pablio.c
+++ /dev/null
@@ -1,314 +0,0 @@
-/*
- * $Id$
- * pablio.c
- * Portable Audio Blocking Input/Output utility.
- *
- * 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 <stdlib.h>
-#include <math.h>
-#include "portaudio.h"
-#include "pa_ringbuffer.h"
-#include "pablio.h"
-#include <string.h>
-
-/************************************************************************/
-/******** Constants *****************************************************/
-/************************************************************************/
-
-#define FRAMES_PER_BUFFER    (256)
-
-/************************************************************************/
-/******** Prototypes ****************************************************/
-/************************************************************************/
-
-static int blockingIOCallback( void *inputBuffer, void *outputBuffer,
-                               unsigned long framesPerBuffer,
-                               PaTimestamp outTime, void *userData );
-static PaError PABLIO_InitFIFO( RingBuffer *rbuf, long numFrames, long bytesPerFrame );
-static PaError PABLIO_TermFIFO( RingBuffer *rbuf );
-
-/************************************************************************/
-/******** Functions *****************************************************/
-/************************************************************************/
-
-/* Called from PortAudio.
- * Read and write data only if there is room in FIFOs.
- */
-static int blockingIOCallback( void *inputBuffer, void *outputBuffer,
-                               unsigned long framesPerBuffer,
-                               PaTimestamp outTime, void *userData )
-{
-    PABLIO_Stream *data = (PABLIO_Stream*)userData;
-    long numBytes = data->bytesPerFrame * framesPerBuffer;
-    (void) outTime;
-
-    /* This may get called with NULL inputBuffer during initial setup. */
-    if( inputBuffer != NULL )
-    {
-        PaUtil_WriteRingBuffer( &data->inFIFO, inputBuffer, numBytes );
-    }
-    if( outputBuffer != NULL )
-    {
-        int i;
-        int numRead = PaUtil_ReadRingBuffer( &data->outFIFO, outputBuffer, numBytes );
-        /* Zero out remainder of buffer if we run out of data. */
-        for( i=numRead; i<numBytes; i++ )
-        {
-            ((char *)outputBuffer)[i] = 0;
-        }
-    }
-
-    return 0;
-}
-
-/* Allocate buffer. */
-static PaError PABLIO_InitFIFO( RingBuffer *rbuf, long numFrames, long bytesPerFrame )
-{
-    long numBytes = numFrames * bytesPerFrame;
-    char *buffer = (char *) malloc( numBytes );
-    if( buffer == NULL ) return paInsufficientMemory;
-    memset( buffer, 0, numBytes );
-    return (PaError) PaUtil_InitializeRingBuffer( rbuf, numBytes, buffer );
-}
-
-/* Free buffer. */
-static PaError PABLIO_TermFIFO( RingBuffer *rbuf )
-{
-    if( rbuf->buffer ) free( rbuf->buffer );
-    rbuf->buffer = NULL;
-    return paNoError;
-}
-
-/************************************************************
- * Write data to ring buffer.
- * Will not return until all the data has been written.
- */
-long WriteAudioStream( PABLIO_Stream *aStream, void *data, long numFrames )
-{
-    long bytesWritten;
-    char *p = (char *) data;
-    long numBytes = aStream->bytesPerFrame * numFrames;
-    while( numBytes > 0)
-    {
-        bytesWritten = PaUtil_WriteRingBuffer( &aStream->outFIFO, p, numBytes );
-        numBytes -= bytesWritten;
-        p += bytesWritten;
-        if( numBytes > 0) Pa_Sleep(10);
-    }
-    return 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 )
-{
-    long bytesRead;
-    char *p = (char *) data;
-    long numBytes = aStream->bytesPerFrame * numFrames;
-    while( numBytes > 0)
-    {
-        bytesRead = PaUtil_ReadRingBuffer( &aStream->inFIFO, p, numBytes );
-        numBytes -= bytesRead;
-        p += bytesRead;
-        if( numBytes > 0) Pa_Sleep(10);
-    }
-    return numFrames;
-}
-
-/************************************************************
- * Return the number of frames that could be written to the stream without
- * having to wait.
- */
-long GetAudioStreamWriteable( PABLIO_Stream *aStream )
-{
-    int bytesEmpty = PaUtil_GetRingBufferWriteAvailable( &aStream->outFIFO );
-    return bytesEmpty / aStream->bytesPerFrame;
-}
-
-/************************************************************
- * Return the number of frames that are available to be read from the
- * stream without having to wait.
- */
-long GetAudioStreamReadable( PABLIO_Stream *aStream )
-{
-    int bytesFull = PaUtil_GetRingBufferReadAvailable( &aStream->inFIFO );
-    return bytesFull / aStream->bytesPerFrame;
-}
-
-/************************************************************/
-static unsigned long RoundUpToNextPowerOf2( unsigned long n )
-{
-    long numBits = 0;
-    if( ((n-1) & n) == 0) return n; /* Already Power of two. */
-    while( n > 0 )
-    {
-        n= n>>1;
-        numBits++;
-    }
-    return (1<<numBits);
-}
-
-/************************************************************
- * 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 **rwblPtr, double sampleRate,
-                         PaSampleFormat format, long flags )
-{
-    long   bytesPerSample;
-    long   doRead = 0;
-    long   doWrite = 0;
-    PaError err;
-    PABLIO_Stream *aStream;
-    long   minNumBuffers;
-    long   numFrames;
-
-    /* Allocate PABLIO_Stream structure for caller. */
-    aStream = (PABLIO_Stream *) malloc( sizeof(PABLIO_Stream) );
-    if( aStream == NULL ) return paInsufficientMemory;
-    memset( aStream, 0, sizeof(PABLIO_Stream) );
-
-    /* Determine size of a sample. */
-    bytesPerSample = Pa_GetSampleSize( format );
-    if( bytesPerSample < 0 )
-    {
-        err = (PaError) bytesPerSample;
-        goto error;
-    }
-    aStream->samplesPerFrame = ((flags&PABLIO_MONO) != 0) ? 1 : 2;
-    aStream->bytesPerFrame = bytesPerSample * aStream->samplesPerFrame;
-
-    /* Initialize PortAudio  */
-    err = Pa_Initialize();
-    if( err != paNoError ) goto error;
-
-    /* Warning: numFrames must be larger than amount of data processed per interrupt
-     *    inside PA to prevent glitches. Just to be safe, adjust size upwards.
-     */
-    minNumBuffers = 2 * Pa_GetMinNumBuffers( FRAMES_PER_BUFFER, sampleRate );
-    numFrames = minNumBuffers * FRAMES_PER_BUFFER;
-    numFrames = RoundUpToNextPowerOf2( numFrames );
-
-    /* Initialize Ring Buffers */
-    doRead = ((flags & PABLIO_READ) != 0);
-    doWrite = ((flags & PABLIO_WRITE) != 0);
-    if(doRead)
-    {
-        err = PABLIO_InitFIFO( &aStream->inFIFO, numFrames, aStream->bytesPerFrame );
-        if( err != paNoError ) goto error;
-    }
-    if(doWrite)
-    {
-        long numBytes;
-        err = PABLIO_InitFIFO( &aStream->outFIFO, numFrames, aStream->bytesPerFrame );
-        if( err != paNoError ) goto error;
-        /* Make Write FIFO appear full initially. */
-        numBytes = PaUtil_GetRingBufferWriteAvailable( &aStream->outFIFO );
-        PaUtil_AdvanceRingBufferWriteIndex( &aStream->outFIFO, numBytes );
-    }
-
-    /* Open a PortAudio stream that we will use to communicate with the underlying
-     * audio drivers. */
-    err = Pa_OpenStream(
-              &aStream->stream,
-              (doRead ? Pa_GetDefaultInputDeviceID() : paNoDevice),
-              (doRead ? aStream->samplesPerFrame : 0 ),
-              format,
-              NULL,
-              (doWrite ? Pa_GetDefaultOutputDeviceID() : paNoDevice),
-              (doWrite ? aStream->samplesPerFrame : 0 ),
-              format,
-              NULL,
-              sampleRate,
-              FRAMES_PER_BUFFER,
-              minNumBuffers,
-              paClipOff,       /* we won't output out of range samples so don't bother clipping them */
-              blockingIOCallback,
-              aStream );
-    if( err != paNoError ) goto error;
-
-    err = Pa_StartStream( aStream->stream );
-    if( err != paNoError ) goto error;
-
-    *rwblPtr = aStream;
-    return paNoError;
-
-error:
-    CloseAudioStream( aStream );
-    *rwblPtr = NULL;
-    return err;
-}
-
-/************************************************************/
-PaError CloseAudioStream( PABLIO_Stream *aStream )
-{
-    PaError err;
-    int bytesEmpty;
-    int byteSize = aStream->outFIFO.bufferSize;
-
-    /* If we are writing data, make sure we play everything written. */
-    if( byteSize > 0 )
-    {
-        bytesEmpty = PaUtil_GetRingBufferWriteAvailable( &aStream->outFIFO );
-        while( bytesEmpty < byteSize )
-        {
-            Pa_Sleep( 10 );
-            bytesEmpty = PaUtil_GetRingBufferWriteAvailable( &aStream->outFIFO );
-        }
-    }
-
-    err = Pa_StopStream( aStream->stream );
-    if( err != paNoError ) goto error;
-    err = Pa_CloseStream( aStream->stream );
-    if( err != paNoError ) goto error;
-    Pa_Terminate();
-
-error:
-    PABLIO_TermFIFO( &aStream->inFIFO );
-    PABLIO_TermFIFO( &aStream->outFIFO );
-    free( aStream );
-    return err;
-}