svn path=/trunk/; revision=12907

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diff --git a/desiredata/src/s_audio_pablio.c b/desiredata/src/s_audio_pablio.c
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--- a/desiredata/src/s_audio_pablio.c
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@@ -1,304 +0,0 @@
-/*
- * $Id: s_audio_pablio.c,v 1.1.4.2.2.4.2.2 2007-07-30 22:19:11 matju Exp $
- * 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.audiomulch.com/portaudio/
- * 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.
- *
- * 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.
- *
- * 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.
- *
- */
-
- /* changes by Miller Puckette to support Pd:  device selection, 
-    settable audio buffer size, and settable number of channels.
-    LATER also fix it to poll for input and output fifo fill points. */
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include "portaudio.h"
-#include "s_audio_paring.h"
-#include "s_audio_pablio.h" /* MSP */
-#include <string.h>
-
-    /* MSP -- FRAMES_PER_BUFFER constant removed */
-static void NPa_Sleep(int n) { /* MSP wrapper to check we never stall... */
-#if 0
-    post("sleep");
-#endif
-    Pa_Sleep(n);
-}
-
-/************************************************************************/
-/******** Prototypes ****************************************************/
-/************************************************************************/
-
-#ifdef PA19
-static int blockingIOCallback( const void *inputBuffer, void *outputBuffer, /*MSP */
-                               unsigned long framesPerBuffer,
-                               const PaStreamCallbackTimeInfo *outTime, 
-                               PaStreamCallbackFlags myflags, 
-                               void *userData );
-#else
-static int blockingIOCallback( void *inputBuffer, void *outputBuffer,
-                               unsigned long framesPerBuffer,
-                               PaTimestamp outTime, void *userData );
-#endif
-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.
- */
-#ifdef PA19
-static int blockingIOCallback(const void *inputBuffer, void *outputBuffer, unsigned long framesPerBuffer,
-const PaStreamCallbackTimeInfo *outTime, PaStreamCallbackFlags myflags, void *userData)
-#else
-static int blockingIOCallback(void *inputBuffer, void *outputBuffer, unsigned long framesPerBuffer,
-PaTimestamp outTime, void *userData )
-#endif
-{
-    PABLIO_Stream *data = (PABLIO_Stream*)userData;
-//    (void) outTime;
-    /* This may get called with NULL inputBuffer during initial setup. */
-    if (inputBuffer) PD_RingBuffer_Write( &data->inFIFO, inputBuffer, data->inbytesPerFrame * framesPerBuffer );
-    if (outputBuffer) {
-	int numBytes = data->outbytesPerFrame * framesPerBuffer;
-        int numRead = PD_RingBuffer_Read( &data->outFIFO, outputBuffer, numBytes);
-        /* Zero out remainder of buffer if we run out of data. */
-        for (int 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) return paInsufficientMemory;
-    memset(buffer, 0, numBytes);
-    return (PaError) PD_RingBuffer_Init(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 PD_WriteAudioStream(PABLIO_Stream *aStream, void *data, long numFrames) {
-    long bytesWritten;
-    char *p = (char *) data;
-    long numBytes = aStream->outbytesPerFrame * numFrames;
-    while (numBytes > 0) {
-        bytesWritten = PD_RingBuffer_Write(&aStream->outFIFO, p, numBytes);
-        numBytes -= bytesWritten;
-        p += bytesWritten;
-        if (numBytes>0) NPa_Sleep(10); /* MSP */
-    }
-    return numFrames;
-}
-
-/************************************************************
- * Read data from ring buffer.
- * Will not return until all the data has been read.
- */
-long PD_ReadAudioStream(PABLIO_Stream *aStream, void *data, long numFrames) {
-    char *p = (char *)data;
-    long numBytes = aStream->inbytesPerFrame * numFrames;
-    while (numBytes > 0) {
-        long bytesRead = PD_RingBuffer_Read(&aStream->inFIFO, p, numBytes);
-        numBytes -= bytesRead;
-        p += bytesRead;
-        if (numBytes > 0) NPa_Sleep(10); /* MSP */
-    }
-    return numFrames;
-}
-
-/* Return the number of frames that could be written to the stream without having to wait. */
-long PD_GetAudioStreamWriteable(PABLIO_Stream *aStream) {
-    int bytesEmpty = PD_RingBuffer_GetWriteAvailable(&aStream->outFIFO);
-    return bytesEmpty / aStream->outbytesPerFrame;
-}
-
-/* Return the number of frames that are available to be read from the stream without having to wait. */
-long PD_GetAudioStreamReadable(PABLIO_Stream *aStream) {
-    int bytesFull = PD_RingBuffer_GetReadAvailable(&aStream->inFIFO);
-    return bytesFull / aStream->inbytesPerFrame;
-}
-
-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 */
-PaError PD_OpenAudioStream(PABLIO_Stream **rwblPtr, double sampleRate, PaSampleFormat format, int inchannels,
-int outchannels, int framesperbuf, int nbuffers, int indeviceno, int outdeviceno) {
-    long   bytesPerSample;
-    long   doRead = 0;
-    long   doWrite = 0;
-    PaError err;
-    PABLIO_Stream *aStream;
-    long   minNumBuffers;
-    long   numFrames;
-#ifdef PA19
-    PaStreamParameters instreamparams, outstreamparams;  /* MSP */
-#endif
-    /* post("open %lf fmt %d flags %d ch: %d fperbuf: %d nbuf: %d devs: %d %d",
-           sampleRate, format, flags, nchannels, framesperbuf, nbuffers, indeviceno, outdeviceno); */
-    if (indeviceno < 0) {
-#ifdef PA19
-        indeviceno = Pa_GetDefaultInputDevice();
-#else
-        indeviceno = Pa_GetDefaultInputDeviceID();
-#endif
-        if (indeviceno == paNoDevice) inchannels = 0;
-	post("using default input device number: %d", indeviceno);
-    }
-    if (outdeviceno<0) {
-#ifdef PA19
-        outdeviceno = Pa_GetDefaultOutputDevice();
-#else
-        outdeviceno = Pa_GetDefaultOutputDeviceID();
-#endif
-	if(outdeviceno == paNoDevice) outchannels = 0;
-	post("using default output device number: %d", outdeviceno);
-    }
-    /* post("nchan %d, flags %d, bufs %d, framesperbuf %d", nchannels, flags, nbuffers, framesperbuf); */
-    /* 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-> insamplesPerFrame =  inchannels; aStream-> inbytesPerFrame = bytesPerSample * aStream-> insamplesPerFrame;
-    aStream->outsamplesPerFrame = outchannels; aStream->outbytesPerFrame = bytesPerSample * aStream->outsamplesPerFrame;
-    err = Pa_Initialize();
-    if (err != paNoError) goto error;
-#ifdef PA19
-    numFrames = nbuffers * framesperbuf; /* ...MSP */
-    instreamparams.device = indeviceno;   /* MSP... */
-    instreamparams.channelCount = inchannels;
-    instreamparams.sampleFormat = format;
-    instreamparams.suggestedLatency = nbuffers*framesperbuf/sampleRate;
-    instreamparams.hostApiSpecificStreamInfo = 0;
-    outstreamparams.device = outdeviceno;
-    outstreamparams.channelCount = outchannels;
-    outstreamparams.sampleFormat = format;
-    outstreamparams.suggestedLatency = nbuffers*framesperbuf/sampleRate;
-    outstreamparams.hostApiSpecificStreamInfo = 0;  /* ... MSP */
-#else
-/* Warning: numFrames must be larger than amount of data processed per
-  interrupt inside PA to prevent glitches. */  /* MSP */
-    minNumBuffers = Pa_GetMinNumBuffers(framesperbuf, sampleRate);
-    if (minNumBuffers > nbuffers)
-        post("warning: number of buffers %d less than recommended minimum %d", (int)nbuffers, (int)minNumBuffers);
-#endif
-    numFrames = nbuffers * framesperbuf;
-    /* post("numFrames %d", numFrames); */
-    /* Initialize Ring Buffers */
-    doRead = (inchannels != 0);
-    doWrite = (outchannels != 0);
-    if(doRead) {
-        err = PABLIO_InitFIFO(&aStream->inFIFO, numFrames, aStream->inbytesPerFrame);
-        if (err != paNoError) goto error;
-    }
-    if(doWrite) {
-        long numBytes;
-        err = PABLIO_InitFIFO(&aStream->outFIFO, numFrames, aStream->outbytesPerFrame);
-        if (err != paNoError) goto error;
-        /* Make Write FIFO appear full initially. */
-        numBytes = PD_RingBuffer_GetWriteAvailable( &aStream->outFIFO );
-        PD_RingBuffer_AdvanceWriteIndex( &aStream->outFIFO, numBytes );
-    }
-
-/* Open a PortAudio stream that we will use to communicate with the underlying audio drivers. */
-#ifdef PA19
-    err = Pa_OpenStream(&aStream->stream, (doRead ? &instreamparams : 0), (doWrite ? &outstreamparams : 0),
-              sampleRate, framesperbuf, paNoFlag, blockingIOCallback, aStream);
-#else
-    err = Pa_OpenStream(&aStream->stream,
-		(doRead  ?  indeviceno : paNoDevice), (doRead  ?  aStream->insamplesPerFrame : 0 ), format, NULL,
-		(doWrite ? outdeviceno : paNoDevice), (doWrite ? aStream->outsamplesPerFrame : 0 ), format, NULL,
-		sampleRate, framesperbuf, nbuffers, paNoFlag, blockingIOCallback, aStream);
-#endif
-    if (err != paNoError) goto error;
-    err = Pa_StartStream( aStream->stream );
-    if (err != paNoError) {
-        error("Pa_StartStream failed; closing audio stream...");
-        PD_CloseAudioStream(aStream);
-        goto error;
-    }
-    *rwblPtr = aStream;
-    return paNoError;
-error:
-    *rwblPtr = NULL;
-    return err;
-}
-
-/************************************************************/
-PaError PD_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 = PD_RingBuffer_GetWriteAvailable( &aStream->outFIFO );
-        while (bytesEmpty<byteSize) {
-            NPa_Sleep( 10 ); /* MSP */
-            bytesEmpty = PD_RingBuffer_GetWriteAvailable( &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;
-}