aboutsummaryrefslogtreecommitdiff
path: root/pd/portaudio_v18
diff options
context:
space:
mode:
Diffstat (limited to 'pd/portaudio_v18')
-rw-r--r--pd/portaudio_v18/VERSION.txt2
-rw-r--r--pd/portaudio_v18/pablio/pablio_pd.c340
-rw-r--r--pd/portaudio_v18/pablio/pablio_pd.h110
-rw-r--r--pd/portaudio_v18/pablio/ringbuffer_pd.c217
-rw-r--r--pd/portaudio_v18/pablio/test_w_saw_pd.c108
5 files changed, 0 insertions, 777 deletions
diff --git a/pd/portaudio_v18/VERSION.txt b/pd/portaudio_v18/VERSION.txt
deleted file mode 100644
index 350a736a..00000000
--- a/pd/portaudio_v18/VERSION.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-Portaudio version 18.1, packaged 03.05.28, downloaded Aug. 1:
--rw------- 1 msp 550130 Aug 1 19:47 portaudio_v18_1.zip
diff --git a/pd/portaudio_v18/pablio/pablio_pd.c b/pd/portaudio_v18/pablio/pablio_pd.c
deleted file mode 100644
index 24b12ff1..00000000
--- a/pd/portaudio_v18/pablio/pablio_pd.c
+++ /dev/null
@@ -1,340 +0,0 @@
-/*
- * $Id: pablio_pd.c,v 1.2 2004-02-22 16:21:33 ggeiger 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 "ringbuffer.h"
-#include "pablio_pd.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
- fprintf(stderr, "sleep\n");
-#endif
- Pa_Sleep(n);
-}
-
-/************************************************************************/
-/******** 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 )
- {
- RingBuffer_Write( &data->inFIFO, inputBuffer, numBytes );
- }
- if( outputBuffer != NULL )
- {
- int i;
- int numRead = RingBuffer_Read( &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) 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 WriteAudioStream( PABLIO_Stream *aStream, void *data, long numFrames )
-{
- long bytesWritten;
- char *p = (char *) data;
- long numBytes = aStream->bytesPerFrame * numFrames;
- while( numBytes > 0)
- {
- bytesWritten = 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 ReadAudioStream( PABLIO_Stream *aStream, void *data, long numFrames )
-{
- long bytesRead;
- char *p = (char *) data;
- long numBytes = aStream->bytesPerFrame * numFrames;
- while( numBytes > 0)
- {
- bytesRead = 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 GetAudioStreamWriteable( PABLIO_Stream *aStream )
-{
- int bytesEmpty = RingBuffer_GetWriteAvailable( &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 = RingBuffer_GetReadAvailable( &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
- */
-PaError OpenAudioStream( PABLIO_Stream **rwblPtr, double sampleRate,
- PaSampleFormat format, long flags, int nchannels,
- int framesperbuf, int nbuffers,
- int indeviceno, int outdeviceno) /* MSP */
-{
- long bytesPerSample;
- long doRead = 0;
- long doWrite = 0;
- PaError err;
- PABLIO_Stream *aStream;
- long minNumBuffers;
- long numFrames;
-
- /* fprintf(stderr,
- "open %lf fmt %d flags %d ch: %d fperbuf: %d nbuf: %d devs: %d %d\n",
- sampleRate, format, flags, nchannels,
- framesperbuf, nbuffers, indeviceno, outdeviceno); */
-
- if (indeviceno < 0) /* MSP... */
- {
- indeviceno = Pa_GetDefaultInputDeviceID();
- fprintf(stderr, "using default input device number: %d\n", indeviceno);
- }
- if (outdeviceno < 0)
- {
- outdeviceno = Pa_GetDefaultOutputDeviceID();
- fprintf(stderr, "using default output device number: %d\n", outdeviceno);
- }
- /* fprintf(stderr, "nchan %d, flags %d, bufs %d, framesperbuf %d\n",
- nchannels, flags, nbuffers, framesperbuf); */
- /* ...MSP */
-
- /* 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 = nchannels; /* MSP */
- 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. */ /* MSP */
- minNumBuffers = Pa_GetMinNumBuffers(framesperbuf, sampleRate);
- if (minNumBuffers > nbuffers)
- fprintf(stderr,
- "warning: number of buffers %d less than recommended minimum %d\n",
- (int)nbuffers, (int)minNumBuffers);
- numFrames = nbuffers * framesperbuf;
- /* fprintf(stderr, "numFrames %d\n", 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 = RingBuffer_GetWriteAvailable( &aStream->outFIFO );
- RingBuffer_AdvanceWriteIndex( &aStream->outFIFO, numBytes );
- }
-
- /* Open a PortAudio stream that we will use to communicate with the underlying
- * audio drivers. */
- err = Pa_OpenStream(
- &aStream->stream,
- (doRead ? indeviceno : paNoDevice), /* MSP */
- (doRead ? aStream->samplesPerFrame : 0 ),
- format,
- NULL,
- (doWrite ? outdeviceno : paNoDevice), /* MSP */
- (doWrite ? aStream->samplesPerFrame : 0 ),
- format,
- NULL,
- sampleRate,
- framesperbuf, /* MSP */
- nbuffers, /* MSP */
- paNoFlag, /* MSP -- portaudio will clip for us */
- blockingIOCallback,
- aStream );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( aStream->stream );
- if( err != paNoError ) /* MSP */
- {
- fprintf(stderr, "Pa_StartStream failed; closing audio stream...\n");
- CloseAudioStream( aStream );
- goto error;
- }
-
- *rwblPtr = aStream;
- return paNoError;
-
-error:
- *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 = RingBuffer_GetWriteAvailable( &aStream->outFIFO );
- while( bytesEmpty < byteSize )
- {
- NPa_Sleep( 10 ); /* MSP */
- bytesEmpty = 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;
-}
diff --git a/pd/portaudio_v18/pablio/pablio_pd.h b/pd/portaudio_v18/pablio/pablio_pd.h
deleted file mode 100644
index 7f01dc91..00000000
--- a/pd/portaudio_v18/pablio/pablio_pd.h
+++ /dev/null
@@ -1,110 +0,0 @@
-#ifndef _PABLIO_H
-#define _PABLIO_H
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-/*
- * $Id: pablio_pd.h,v 1.2 2004-02-22 16:21:33 ggeiger Exp $
- * 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.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.
- *
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include "portaudio.h"
-#include "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,
- */
-PaError OpenAudioStream( PABLIO_Stream **rwblPtr, double sampleRate,
- PaSampleFormat format, long flags, int nchannels,
- int framesperbuf, int nbuffers,
- int indeviceno, int outdeviceno); /* MSP */
-
-PaError CloseAudioStream( PABLIO_Stream *aStream );
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-#endif /* _PABLIO_H */
diff --git a/pd/portaudio_v18/pablio/ringbuffer_pd.c b/pd/portaudio_v18/pablio/ringbuffer_pd.c
deleted file mode 100644
index a008ca3f..00000000
--- a/pd/portaudio_v18/pablio/ringbuffer_pd.c
+++ /dev/null
@@ -1,217 +0,0 @@
-/*
- * $Id: ringbuffer_pd.c,v 1.2 2004-02-22 16:21:33 ggeiger Exp $
- * ringbuffer.c
- * Ring Buffer 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.
- *
- */
-/*
- * modified 2002/07/13 by olaf.matthes@gmx.de to allow any number if channels
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include "ringbuffer.h"
-#include <string.h>
-
-/***************************************************************************
- * Initialize FIFO.
- */
-long RingBuffer_Init( RingBuffer *rbuf, long numBytes, void *dataPtr )
-{
- rbuf->bufferSize = numBytes;
- rbuf->buffer = (char *)dataPtr;
- RingBuffer_Flush( rbuf );
- return 0;
-}
-/***************************************************************************
-** Return number of bytes available for reading. */
-long RingBuffer_GetReadAvailable( RingBuffer *rbuf )
-{
- long ret = rbuf->writeIndex - rbuf->readIndex;
- if (ret < 0)
- ret += 2 * rbuf->bufferSize;
- if (ret < 0 || ret > rbuf->bufferSize)
- fprintf(stderr,
- "consistency check failed: RingBuffer_GetReadAvailable\n");
- return ( ret );
-}
-/***************************************************************************
-** Return number of bytes available for writing. */
-long RingBuffer_GetWriteAvailable( RingBuffer *rbuf )
-{
- return ( rbuf->bufferSize - RingBuffer_GetReadAvailable(rbuf));
-}
-
-/***************************************************************************
-** Clear buffer. Should only be called when buffer is NOT being read. */
-void RingBuffer_Flush( RingBuffer *rbuf )
-{
- rbuf->writeIndex = rbuf->readIndex = 0;
-}
-
-/***************************************************************************
-** Get address of region(s) to which we can write data.
-** If the region is contiguous, size2 will be zero.
-** If non-contiguous, size2 will be the size of second region.
-** Returns room available to be written or numBytes, whichever is smaller.
-*/
-long RingBuffer_GetWriteRegions( RingBuffer *rbuf, long numBytes,
- void **dataPtr1, long *sizePtr1,
- void **dataPtr2, long *sizePtr2 )
-{
- long index;
- long available = RingBuffer_GetWriteAvailable( rbuf );
- if( numBytes > available ) numBytes = available;
- /* Check to see if write is not contiguous. */
- index = rbuf->writeIndex;
- while (index >= rbuf->bufferSize)
- index -= rbuf->bufferSize;
- if( (index + numBytes) > rbuf->bufferSize )
- {
- /* Write data in two blocks that wrap the buffer. */
- long firstHalf = rbuf->bufferSize - index;
- *dataPtr1 = &rbuf->buffer[index];
- *sizePtr1 = firstHalf;
- *dataPtr2 = &rbuf->buffer[0];
- *sizePtr2 = numBytes - firstHalf;
- }
- else
- {
- *dataPtr1 = &rbuf->buffer[index];
- *sizePtr1 = numBytes;
- *dataPtr2 = NULL;
- *sizePtr2 = 0;
- }
- return numBytes;
-}
-
-
-/***************************************************************************
-*/
-long RingBuffer_AdvanceWriteIndex( RingBuffer *rbuf, long numBytes )
-{
- long ret = (rbuf->writeIndex + numBytes);
- if ( ret >= 2 * rbuf->bufferSize)
- ret -= 2 * rbuf->bufferSize; /* check for end of buffer */
- return rbuf->writeIndex = ret;
-}
-
-/***************************************************************************
-** Get address of region(s) from which we can read data.
-** If the region is contiguous, size2 will be zero.
-** If non-contiguous, size2 will be the size of second region.
-** Returns room available to be written or numBytes, whichever is smaller.
-*/
-long RingBuffer_GetReadRegions( RingBuffer *rbuf, long numBytes,
- void **dataPtr1, long *sizePtr1,
- void **dataPtr2, long *sizePtr2 )
-{
- long index;
- long available = RingBuffer_GetReadAvailable( rbuf );
- if( numBytes > available ) numBytes = available;
- /* Check to see if read is not contiguous. */
- index = rbuf->readIndex;
- while (index >= rbuf->bufferSize)
- index -= rbuf->bufferSize;
-
- if( (index + numBytes) > rbuf->bufferSize )
- {
- /* Write data in two blocks that wrap the buffer. */
- long firstHalf = rbuf->bufferSize - index;
- *dataPtr1 = &rbuf->buffer[index];
- *sizePtr1 = firstHalf;
- *dataPtr2 = &rbuf->buffer[0];
- *sizePtr2 = numBytes - firstHalf;
- }
- else
- {
- *dataPtr1 = &rbuf->buffer[index];
- *sizePtr1 = numBytes;
- *dataPtr2 = NULL;
- *sizePtr2 = 0;
- }
- return numBytes;
-}
-/***************************************************************************
-*/
-long RingBuffer_AdvanceReadIndex( RingBuffer *rbuf, long numBytes )
-{
- long ret = (rbuf->readIndex + numBytes);
- if( ret >= 2 * rbuf->bufferSize)
- ret -= 2 * rbuf->bufferSize;
- return rbuf->readIndex = ret;
-}
-
-/***************************************************************************
-** Return bytes written. */
-long RingBuffer_Write( RingBuffer *rbuf, void *data, long numBytes )
-{
- long size1, size2, numWritten;
- void *data1, *data2;
- numWritten = RingBuffer_GetWriteRegions( rbuf, numBytes, &data1, &size1, &data2, &size2 );
- if( size2 > 0 )
- {
-
- memcpy( data1, data, size1 );
- data = ((char *)data) + size1;
- memcpy( data2, data, size2 );
- }
- else
- {
- memcpy( data1, data, size1 );
- }
- RingBuffer_AdvanceWriteIndex( rbuf, numWritten );
- return numWritten;
-}
-
-/***************************************************************************
-** Return bytes read. */
-long RingBuffer_Read( RingBuffer *rbuf, void *data, long numBytes )
-{
- long size1, size2, numRead;
- void *data1, *data2;
- numRead = RingBuffer_GetReadRegions( rbuf, numBytes, &data1, &size1, &data2, &size2 );
- if( size2 > 0 )
- {
- memcpy( data, data1, size1 );
- data = ((char *)data) + size1;
- memcpy( data, data2, size2 );
- }
- else
- {
- memcpy( data, data1, size1 );
- }
- RingBuffer_AdvanceReadIndex( rbuf, numRead );
- return numRead;
-}
diff --git a/pd/portaudio_v18/pablio/test_w_saw_pd.c b/pd/portaudio_v18/pablio/test_w_saw_pd.c
deleted file mode 100644
index 73a4d9c4..00000000
--- a/pd/portaudio_v18/pablio/test_w_saw_pd.c
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * $Id: test_w_saw_pd.c,v 1.2 2004-02-22 16:21:33 ggeiger Exp $
- * test_w_saw.c
- * Generate stereo sawtooth waveforms.
- *
- * Author: Phil Burk, http://www.softsynth.com
- *
- * This program uses 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.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.
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include "pablio_pd.h"
-#include <string.h>
-
-#define SAMPLE_RATE (44100)
-#define NUM_SECONDS (6)
-#define SAMPLES_PER_FRAME (2)
-
-#define FREQUENCY (220.0f)
-#define PHASE_INCREMENT (2.0f * FREQUENCY / SAMPLE_RATE)
-#define FRAMES_PER_BLOCK (100)
-
-float samples[FRAMES_PER_BLOCK][SAMPLES_PER_FRAME];
-float phases[SAMPLES_PER_FRAME];
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- int i,j;
- PaError err;
- PABLIO_Stream *aOutStream;
-
- printf("Generate sawtooth waves using PABLIO.\n");
- fflush(stdout);
-
- /* Open simplified blocking I/O layer on top of PortAudio. */
- err = OpenAudioStream( &aOutStream, SAMPLE_RATE, paFloat32,
- PABLIO_WRITE, 2, 512, 8, -1, -1 );
- if( err != paNoError ) goto error;
-
- /* Initialize oscillator phases. */
- phases[0] = 0.0;
- phases[1] = 0.0;
-
- for( i=0; i<(NUM_SECONDS * SAMPLE_RATE); i += FRAMES_PER_BLOCK )
- {
- /* Generate sawtooth waveforms in a block for efficiency. */
- for( j=0; j<FRAMES_PER_BLOCK; j++ )
- {
- /* Generate a sawtooth wave by incrementing a variable. */
- phases[0] += PHASE_INCREMENT;
- /* The signal range is -1.0 to +1.0 so wrap around if we go over. */
- if( phases[0] > 1.0f ) phases[0] -= 2.0f;
- samples[j][0] = phases[0];
-
- /* On the second channel, generate a sawtooth wave a fifth higher. */
- phases[1] += PHASE_INCREMENT * (3.0f / 2.0f);
- if( phases[1] > 1.0f ) phases[1] -= 2.0f;
- samples[j][1] = phases[1];
- }
-
- /* Write samples to output. */
- WriteAudioStream( aOutStream, samples, FRAMES_PER_BLOCK );
- }
-
- CloseAudioStream( aOutStream );
-
- printf("Sawtooth sound test complete.\n" );
- fflush(stdout);
- return 0;
-
-error:
- fprintf( stderr, "An error occured while using PABLIO\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return -1;
-}
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-26 19:03:19 +0000