Deleted unused (?) files

svn path=/trunk/; revision=4318

3 files changed, 0 insertions, 2032 deletions

diff --git a/pd/portaudio/pa_unix_oss/low_latency_tip.txt b/pd/portaudio/pa_unix_oss/low_latency_tip.txt
deleted file mode 100644
index 2d982b79..00000000
--- a/pd/portaudio/pa_unix_oss/low_latency_tip.txt
+++ /dev/null
diff --git a/pd/portaudio/pa_unix_oss/pa_unix_oss.c b/pd/portaudio/pa_unix_oss/pa_unix_oss.c
deleted file mode 100644
index 3eaccafb..00000000
--- a/pd/portaudio/pa_unix_oss/pa_unix_oss.c
+++ /dev/null
@@ -1,1918 +0,0 @@
-/*
- * $Id: pa_unix_oss.c,v 1.6.2.22 2005/03/08 21:26:53 aknudsen Exp $
- * PortAudio Portable Real-Time Audio Library
- * Latest Version at: http://www.portaudio.com
- * OSS implementation by:
- *   Douglas Repetto
- *   Phil Burk
- *   Dominic Mazzoni
- *   Arve Knudsen
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2002 Ross Bencina, 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 <string.h>
-#include <math.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <unistd.h>
-#include <pthread.h>
-#include <alloca.h>
-#include <malloc.h>
-#include <assert.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/poll.h>
-#include <limits.h>
-#include <semaphore.h>
-
-#ifdef __linux__
-# include <linux/soundcard.h>
-# define DEVICE_NAME_BASE            "/dev/dsp"
-#else
-# include <machine/soundcard.h> /* JH20010905 */
-# define DEVICE_NAME_BASE            "/dev/audio"
-#endif
-
-#include "portaudio.h"
-#include "pa_util.h"
-#include "pa_allocation.h"
-#include "pa_hostapi.h"
-#include "pa_stream.h"
-#include "pa_cpuload.h"
-#include "pa_process.h"
-#include "../pa_unix/pa_unix_util.h"
-
-static int sysErr_;
-static pthread_t mainThread_;
-
-/* Check return value of system call, and map it to PaError */
-#define ENSURE_(expr, code) \
-    do { \
-        if( UNLIKELY( (sysErr_ = (expr)) < 0 ) ) \
-        { \
-            /* PaUtil_SetLastHostErrorInfo should only be used in the main thread */ \
-            if( (code) == paUnanticipatedHostError && pthread_self() == mainThread_ ) \
-            { \
-                PaUtil_SetLastHostErrorInfo( paALSA, sysErr_, strerror( errno ) ); \
-            } \
-            \
-            PaUtil_DebugPrint(( "Expression '" #expr "' failed in '" __FILE__ "', line: " STRINGIZE( __LINE__ ) "\n" )); \
-            result = (code); \
-            goto error; \
-        } \
-    } while( 0 );
-
-#ifndef AFMT_S16_NE
-#define AFMT_S16_NE  Get_AFMT_S16_NE()
-/*********************************************************************
- * Some versions of OSS do not define AFMT_S16_NE. So check CPU.
- * PowerPC is Big Endian. X86 is Little Endian.
- */
-static int Get_AFMT_S16_NE( void )
-{
-    long testData = 1; 
-    char *ptr = (char *) &testData;
-    int isLittle = ( *ptr == 1 ); /* Does address point to least significant byte? */
-    return isLittle ? AFMT_S16_LE : AFMT_S16_BE;
-}
-#endif
-
-/* PaOSSHostApiRepresentation - host api datastructure specific to this implementation */
-
-typedef struct
-{
-    PaUtilHostApiRepresentation inheritedHostApiRep;
-    PaUtilStreamInterface callbackStreamInterface;
-    PaUtilStreamInterface blockingStreamInterface;
-
-    PaUtilAllocationGroup *allocations;
-
-    PaHostApiIndex hostApiIndex;
-}
-PaOSSHostApiRepresentation;
-
-/** Per-direction structure for PaOssStream.
- *
- * Aspect StreamChannels: In case the user requests to open the same device for both capture and playback,
- * but with different number of channels we will have to adapt between the number of user and host
- * channels for at least one direction, since the configuration space is the same for both directions
- * of an OSS device.
- */
-typedef struct
-{
-    int fd;
-    const char *devName;
-    int userChannelCount, hostChannelCount;
-    int userInterleaved;
-    void *buffer;
-    PaSampleFormat userFormat, hostFormat;
-    double latency;
-    unsigned long hostFrames, numBufs;
-    void **userBuffers; /* For non-interleaved blocking */
-} PaOssStreamComponent;
-
-/** Implementation specific representation of a PaStream.
- *
- */
-typedef struct PaOssStream
-{
-    PaUtilStreamRepresentation streamRepresentation;
-    PaUtilCpuLoadMeasurer cpuLoadMeasurer;
-    PaUtilBufferProcessor bufferProcessor;
-
-    PaUtilThreading threading;
-
-    int sharedDevice;
-    unsigned long framesPerHostBuffer;
-    int triggered;  /* Have the devices been triggered yet (first start) */
-
-    int isActive;
-    int isStopped;
-
-    int lastPosPtr;
-    double lastStreamBytes;
-
-    int framesProcessed;
-
-    double sampleRate;
-
-    int callbackMode;
-    int callbackStop, callbackAbort;
-
-    PaOssStreamComponent *capture, *playback;
-    unsigned long pollTimeout;
-    sem_t semaphore;
-}
-PaOssStream;
-
-typedef enum {
-    StreamMode_In,
-    StreamMode_Out
-} StreamMode;
-
-/* prototypes for functions declared in this file */
-
-static void Terminate( struct PaUtilHostApiRepresentation *hostApi );
-static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi,
-                                  const PaStreamParameters *inputParameters,
-                                  const PaStreamParameters *outputParameters,
-                                  double sampleRate );
-static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
-                           PaStream** s,
-                           const PaStreamParameters *inputParameters,
-                           const PaStreamParameters *outputParameters,
-                           double sampleRate,
-                           unsigned long framesPerBuffer,
-                           PaStreamFlags streamFlags,
-                           PaStreamCallback *streamCallback,
-                           void *userData );
-static PaError CloseStream( PaStream* stream );
-static PaError StartStream( PaStream *stream );
-static PaError StopStream( PaStream *stream );
-static PaError AbortStream( PaStream *stream );
-static PaError IsStreamStopped( PaStream *s );
-static PaError IsStreamActive( PaStream *stream );
-static PaTime GetStreamTime( PaStream *stream );
-static double GetStreamCpuLoad( PaStream* stream );
-static PaError ReadStream( PaStream* stream, void *buffer, unsigned long frames );
-static PaError WriteStream( PaStream* stream, const void *buffer, unsigned long frames );
-static signed long GetStreamReadAvailable( PaStream* stream );
-static signed long GetStreamWriteAvailable( PaStream* stream );
-static PaError BuildDeviceList( PaOSSHostApiRepresentation *hostApi );
-
-
-/** Initialize the OSS API implementation.
- *
- * This function will initialize host API datastructures and query host devices for information.
- *
- * Aspect DeviceCapabilities: Enumeration of host API devices is initiated from here
- *
- * Aspect FreeResources: If an error is encountered under way we have to free each resource allocated in this function,
- * this happens with the usual "error" label.
- */
-PaError PaOSS_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex hostApiIndex )
-{
-    PaError result = paNoError;
-    PaOSSHostApiRepresentation *ossHostApi = NULL;
-
-    PA_UNLESS( ossHostApi = (PaOSSHostApiRepresentation*)PaUtil_AllocateMemory( sizeof(PaOSSHostApiRepresentation) ),
-            paInsufficientMemory );
-    PA_UNLESS( ossHostApi->allocations = PaUtil_CreateAllocationGroup(), paInsufficientMemory );
-    ossHostApi->hostApiIndex = hostApiIndex;
-
-    /* Initialize host API structure */
-    *hostApi = &ossHostApi->inheritedHostApiRep;
-    (*hostApi)->info.structVersion = 1;
-    (*hostApi)->info.type = paOSS;
-    (*hostApi)->info.name = "OSS";
-    (*hostApi)->Terminate = Terminate;
-    (*hostApi)->OpenStream = OpenStream;
-    (*hostApi)->IsFormatSupported = IsFormatSupported;
-
-    PA_ENSURE( BuildDeviceList( ossHostApi ) );
-
-    PaUtil_InitializeStreamInterface( &ossHostApi->callbackStreamInterface, CloseStream, StartStream,
-                                      StopStream, AbortStream, IsStreamStopped, IsStreamActive,
-                                      GetStreamTime, GetStreamCpuLoad,
-                                      PaUtil_DummyRead, PaUtil_DummyWrite,
-                                      PaUtil_DummyGetReadAvailable,
-                                      PaUtil_DummyGetWriteAvailable );
-
-    PaUtil_InitializeStreamInterface( &ossHostApi->blockingStreamInterface, CloseStream, StartStream,
-                                      StopStream, AbortStream, IsStreamStopped, IsStreamActive,
-                                      GetStreamTime, PaUtil_DummyGetCpuLoad,
-                                      ReadStream, WriteStream, GetStreamReadAvailable, GetStreamWriteAvailable );
-
-    mainThread_ = pthread_self();
-
-    return result;
-
-error:
-    if( ossHostApi )
-    {
-        if( ossHostApi->allocations )
-        {
-            PaUtil_FreeAllAllocations( ossHostApi->allocations );
-            PaUtil_DestroyAllocationGroup( ossHostApi->allocations );
-        }
-                
-        PaUtil_FreeMemory( ossHostApi );
-    }
-    return result;
-}
-
-PaError PaUtil_InitializeDeviceInfo( PaDeviceInfo *deviceInfo, const char *name, PaHostApiIndex hostApiIndex, int maxInputChannels,
-        int maxOutputChannels, PaTime defaultLowInputLatency, PaTime defaultLowOutputLatency, PaTime defaultHighInputLatency,
-        PaTime defaultHighOutputLatency, double defaultSampleRate, PaUtilAllocationGroup *allocations  )
-{
-    PaError result = paNoError;
-    
-    deviceInfo->structVersion = 2;
-    if( allocations )
-    {
-        size_t len = strlen( name ) + 1;
-        PA_UNLESS( deviceInfo->name = PaUtil_GroupAllocateMemory( allocations, len ), paInsufficientMemory );
-        strncpy( (char *)deviceInfo->name, name, len );
-    }
-    else
-        deviceInfo->name = name;
-
-    deviceInfo->hostApi = hostApiIndex;
-    deviceInfo->maxInputChannels = maxInputChannels;
-    deviceInfo->maxOutputChannels = maxOutputChannels;
-    deviceInfo->defaultLowInputLatency = defaultLowInputLatency;
-    deviceInfo->defaultLowOutputLatency = defaultLowOutputLatency;
-    deviceInfo->defaultHighInputLatency = defaultHighInputLatency;
-    deviceInfo->defaultHighOutputLatency = defaultHighOutputLatency;
-    deviceInfo->defaultSampleRate = defaultSampleRate;
-
-error:
-    return result;
-}
-
-static PaError QueryDirection( const char *deviceName, StreamMode mode, double *defaultSampleRate, int *maxChannelCount,
-        double *defaultLowLatency, double *defaultHighLatency )
-{
-    PaError result = paNoError;
-    int numChannels, maxNumChannels;
-    int busy = 0;
-    int devHandle = -1;
-    int sr;
-    *maxChannelCount = 0;  /* Default value in case this fails */
-
-    if ( (devHandle = open( deviceName, (mode == StreamMode_In ? O_RDONLY : O_WRONLY) | O_NONBLOCK ))  < 0 )
-    {
-        if( errno == EBUSY || errno == EAGAIN )
-        {
-            PA_DEBUG(( "%s: Device %s busy\n", __FUNCTION__, deviceName ));
-        }
-        else
-        {
-            PA_DEBUG(( "%s: Can't access device: %s\n", __FUNCTION__, strerror( errno ) ));
-        }
-
-        return paDeviceUnavailable;
-    }
-
-    /* Negotiate for the maximum number of channels for this device. PLB20010927
-     * Consider up to 16 as the upper number of channels.
-     * Variable maxNumChannels should contain the actual upper limit after the call.
-     * Thanks to John Lazzaro and Heiko Purnhagen for suggestions.
-     */
-    maxNumChannels = 0;
-    for( numChannels = 1; numChannels <= 16; numChannels++ )
-    {
-        int temp = numChannels;
-        if( ioctl( devHandle, SNDCTL_DSP_CHANNELS, &temp ) < 0 )
-        {
-            busy = EAGAIN == errno || EBUSY == errno;
-            /* ioctl() failed so bail out if we already have stereo */
-            if( maxNumChannels >= 2 )
-                break;
-        }
-        else
-        {
-            /* ioctl() worked but bail out if it does not support numChannels.
-             * We don't want to leave gaps in the numChannels supported.
-             */
-            if( (numChannels > 2) && (temp != numChannels) )
-                break;
-            if( temp > maxNumChannels )
-                maxNumChannels = temp; /* Save maximum. */
-        }
-    }
-    /* A: We're able to open a device for capture if it's busy playing back and vice versa,
-     * but we can't configure anything */
-    if( 0 == maxNumChannels && busy )
-    {
-        result = paDeviceUnavailable;
-        goto error;
-    }
-
-    /* The above negotiation may fail for an old driver so try this older technique. */
-    if( maxNumChannels < 1 )
-    {
-        int stereo = 1;
-        if( ioctl( devHandle, SNDCTL_DSP_STEREO, &stereo ) < 0 )
-        {
-            maxNumChannels = 1;
-        }
-        else
-        {
-            maxNumChannels = (stereo) ? 2 : 1;
-        }
-        PA_DEBUG(( "%s: use SNDCTL_DSP_STEREO, maxNumChannels = %d\n", __FUNCTION__, maxNumChannels ))
-    }
-
-    /* During channel negotiation, the last ioctl() may have failed. This can
-     * also cause sample rate negotiation to fail. Hence the following, to return
-     * to a supported number of channels. SG20011005 */
-    {
-        /* use most reasonable default value */
-        int temp = PA_MIN( maxNumChannels, 2 );
-        ENSURE_( ioctl( devHandle, SNDCTL_DSP_CHANNELS, &temp ), paUnanticipatedHostError );
-    }
-
-    /* Get supported sample rate closest to 44100 Hz */
-    if( *defaultSampleRate < 0 )
-    {
-        sr = 44100;
-        if( ioctl( devHandle, SNDCTL_DSP_SPEED, &sr ) < 0 )
-        {
-            result = paUnanticipatedHostError;
-            goto error;
-        }
-
-        *defaultSampleRate = sr;
-    }
-
-    *maxChannelCount = maxNumChannels;
-    /* TODO */
-    *defaultLowLatency = 512. / *defaultSampleRate;
-    *defaultHighLatency = 2048. / *defaultSampleRate;
-
-error:
-    if( devHandle >= 0 )
-        close( devHandle );
-
-    return result;
-}
-
-/** Query OSS device.
- *
- * This is where PaDeviceInfo objects are constructed and filled in with relevant information.
- *
- * Aspect DeviceCapabilities: The inferred device capabilities are recorded in a PaDeviceInfo object that is constructed
- * in place.
- */
-static PaError QueryDevice( char *deviceName, PaOSSHostApiRepresentation *ossApi, PaDeviceInfo **deviceInfo )
-{
-    PaError result = paNoError;
-    double sampleRate = -1.;
-    int maxInputChannels, maxOutputChannels;
-    PaTime defaultLowInputLatency, defaultLowOutputLatency, defaultHighInputLatency, defaultHighOutputLatency;
-    PaError tmpRes = paNoError;
-    int busy = 0;
-    *deviceInfo = NULL;
-
-    /* douglas:
-       we have to do this querying in a slightly different order. apparently
-       some sound cards will give you different info based on their settins. 
-       e.g. a card might give you stereo at 22kHz but only mono at 44kHz.
-       the correct order for OSS is: format, channels, sample rate
-    */
-
-    /* Aspect StreamChannels: The number of channels supported for a device may depend on the mode it is
-     * opened in, it may have more channels available for capture than playback and vice versa. Therefore
-     * we will open the device in both read- and write-only mode to determine the supported number.
-     */
-    if( (tmpRes = QueryDirection( deviceName, StreamMode_In, &sampleRate, &maxInputChannels, &defaultLowInputLatency,
-                &defaultHighInputLatency )) != paNoError )
-    {
-        if( tmpRes != paDeviceUnavailable )
-        {
-            PA_DEBUG(( "%s: Querying device %s for capture failed!\n", __FUNCTION__, deviceName ));
-            /* PA_ENSURE( tmpRes ); */
-        }
-        ++busy;
-    }
-    if( (tmpRes = QueryDirection( deviceName, StreamMode_Out, &sampleRate, &maxOutputChannels, &defaultLowOutputLatency,
-                &defaultHighOutputLatency )) != paNoError )
-    {
-        if( tmpRes != paDeviceUnavailable )
-        {
-            PA_DEBUG(( "%s: Querying device %s for playback failed!\n", __FUNCTION__, deviceName ));
-            /* PA_ENSURE( tmpRes ); */
-        }
-        ++busy;
-    }
-    assert( 0 <= busy && busy <= 2 );
-    if( 2 == busy )     /* Both directions are unavailable to us */
-    {
-        result = paDeviceUnavailable;
-        goto error;
-    }
-
-    PA_UNLESS( *deviceInfo = PaUtil_GroupAllocateMemory( ossApi->allocations, sizeof (PaDeviceInfo) ), paInsufficientMemory );
-    PA_ENSURE( PaUtil_InitializeDeviceInfo( *deviceInfo, deviceName, ossApi->hostApiIndex, maxInputChannels, maxOutputChannels,
-                defaultLowInputLatency, defaultLowOutputLatency, defaultHighInputLatency, defaultHighOutputLatency, sampleRate,
-                ossApi->allocations ) );
-
-error:
-    return result;
-}
-
-/** Query host devices.
- *
- * Loop over host devices and query their capabilitiesu
- *
- * Aspect DeviceCapabilities: This function calls QueryDevice on each device entry and receives a filled in PaDeviceInfo object
- * per device, these are placed in the host api representation's deviceInfos array.
- */
-static PaError BuildDeviceList( PaOSSHostApiRepresentation *ossApi )
-{
-    PaError result = paNoError;
-    PaUtilHostApiRepresentation *commonApi = &ossApi->inheritedHostApiRep;
-    int i;
-    int numDevices = 0, maxDeviceInfos = 1;
-    PaDeviceInfo **deviceInfos = NULL;
-
-    /* These two will be set to the first working input and output device, respectively */
-    commonApi->info.defaultInputDevice = paNoDevice;
-    commonApi->info.defaultOutputDevice = paNoDevice;
-
-    /* Find devices by calling QueryDevice on each
-     * potential device names.  When we find a valid one,
-     * add it to a linked list.
-     * A: Can there only be 10 devices? */
-
-    for( i = 0; i < 10; i++ )
-    {
-       char deviceName[32];
-       PaDeviceInfo *deviceInfo;
-       int testResult;
-       struct stat stbuf;
-
-       if( i == 0 )
-          snprintf(deviceName, sizeof (deviceName), "%s", DEVICE_NAME_BASE);
-       else
-          snprintf(deviceName, sizeof (deviceName), "%s%d", DEVICE_NAME_BASE, i);
-
-       /* PA_DEBUG(("PaOSS BuildDeviceList: trying device %s\n", deviceName )); */
-       if( stat( deviceName, &stbuf ) < 0 )
-       {
-           if( ENOENT != errno )
-               PA_DEBUG(( "%s: Error stat'ing %s: %s\n", __FUNCTION__, deviceName, strerror( errno ) ));
-           continue;
-       }
-       if( (testResult = QueryDevice( deviceName, ossApi, &deviceInfo )) != paNoError )
-       {
-           if( testResult != paDeviceUnavailable )
-               PA_ENSURE( testResult );
-
-           continue;
-       }
-
-       ++numDevices;
-       if( !deviceInfos || numDevices > maxDeviceInfos )
-       {
-           maxDeviceInfos *= 2;
-           PA_UNLESS( deviceInfos = (PaDeviceInfo **) realloc( deviceInfos, maxDeviceInfos * sizeof (PaDeviceInfo *) ),
-                   paInsufficientMemory );
-       }
-       deviceInfos[numDevices - 1] = deviceInfo;
-
-       if( commonApi->info.defaultInputDevice == paNoDevice && deviceInfo->maxInputChannels > 0 )
-           commonApi->info.defaultInputDevice = i;
-       if( commonApi->info.defaultOutputDevice == paNoDevice && deviceInfo->maxOutputChannels > 0 )
-           commonApi->info.defaultOutputDevice = i;
-    }
-
-    /* Make an array of PaDeviceInfo pointers out of the linked list */
-
-    PA_DEBUG(("PaOSS %s: Total number of devices found: %d\n", __FUNCTION__, numDevices));
-
-    commonApi->deviceInfos = (PaDeviceInfo**)PaUtil_GroupAllocateMemory(
-        ossApi->allocations, sizeof(PaDeviceInfo*) * numDevices );
-    memcpy( commonApi->deviceInfos, deviceInfos, numDevices * sizeof (PaDeviceInfo *) );
-
-    commonApi->info.deviceCount = numDevices;
-
-error:
-    free( deviceInfos );
-
-    return result;
-}
-
-static void Terminate( struct PaUtilHostApiRepresentation *hostApi )
-{
-    PaOSSHostApiRepresentation *ossHostApi = (PaOSSHostApiRepresentation*)hostApi;
-
-    if( ossHostApi->allocations )
-    {
-        PaUtil_FreeAllAllocations( ossHostApi->allocations );
-        PaUtil_DestroyAllocationGroup( ossHostApi->allocations );
-    }
-
-    PaUtil_FreeMemory( ossHostApi );
-}
-
-static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi,
-                                  const PaStreamParameters *inputParameters,
-                                  const PaStreamParameters *outputParameters,
-                                  double sampleRate )
-{
-    PaError result = paNoError;
-    PaDeviceIndex device;
-    PaDeviceInfo *deviceInfo;
-    char *deviceName;
-    int inputChannelCount, outputChannelCount;
-    int tempDevHandle = -1;
-    int flags;
-    PaSampleFormat inputSampleFormat, outputSampleFormat;
-    
-    if( inputParameters )
-    {
-        inputChannelCount = inputParameters->channelCount;
-        inputSampleFormat = inputParameters->sampleFormat;
-
-        /* unless alternate device specification is supported, reject the use of
-            paUseHostApiSpecificDeviceSpecification */
-
-        if( inputParameters->device == paUseHostApiSpecificDeviceSpecification )
-            return paInvalidDevice;
-
-        /* check that input device can support inputChannelCount */
-        if( inputChannelCount > hostApi->deviceInfos[ inputParameters->device ]->maxInputChannels )
-            return paInvalidChannelCount;
-
-        /* validate inputStreamInfo */
-        if( inputParameters->hostApiSpecificStreamInfo )
-            return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
-    }
-    else
-    {
-        inputChannelCount = 0;
-    }
-
-    if( outputParameters )
-    {
-        outputChannelCount = outputParameters->channelCount;
-        outputSampleFormat = outputParameters->sampleFormat;
-        
-        /* unless alternate device specification is supported, reject the use of
-            paUseHostApiSpecificDeviceSpecification */
-
-        if( outputParameters->device == paUseHostApiSpecificDeviceSpecification )
-            return paInvalidDevice;
-
-        /* check that output device can support inputChannelCount */
-        if( outputChannelCount > hostApi->deviceInfos[ outputParameters->device ]->maxOutputChannels )
-            return paInvalidChannelCount;
-
-        /* validate outputStreamInfo */
-        if( outputParameters->hostApiSpecificStreamInfo )
-            return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
-    }
-    else
-    {
-        outputChannelCount = 0;
-    }
-
-    if (inputChannelCount == 0 && outputChannelCount == 0)
-        return paInvalidChannelCount;
-
-    /* if full duplex, make sure that they're the same device */
-
-    if (inputChannelCount > 0 && outputChannelCount > 0 &&
-        inputParameters->device != outputParameters->device)
-        return paInvalidDevice;
-
-    /* if full duplex, also make sure that they're the same number of channels */
-
-    if (inputChannelCount > 0 && outputChannelCount > 0 &&
-        inputChannelCount != outputChannelCount)
-       return paInvalidChannelCount;
-
-    /* open the device so we can do more tests */
-    
-    if( inputChannelCount > 0 )
-    {
-        result = PaUtil_DeviceIndexToHostApiDeviceIndex(&device, inputParameters->device, hostApi);
-        if (result != paNoError)
-            return result;
-    }
-    else
-    {
-        result = PaUtil_DeviceIndexToHostApiDeviceIndex(&device, outputParameters->device, hostApi);
-        if (result != paNoError)
-            return result;
-    }
-
-    deviceInfo = hostApi->deviceInfos[device];
-    deviceName = (char *)deviceInfo->name;
-    
-    flags = O_NONBLOCK;
-    if (inputChannelCount > 0 && outputChannelCount > 0)
-       flags |= O_RDWR;
-    else if (inputChannelCount > 0)
-       flags |= O_RDONLY;
-    else
-       flags |= O_WRONLY;
-
-    ENSURE_( tempDevHandle = open( deviceInfo->name, flags ), paDeviceUnavailable );
-
-    /* PaOssStream_Configure will do the rest of the checking for us */
-    /* PA_ENSURE( PaOssStream_Configure( tempDevHandle, deviceName, outputChannelCount, &sampleRate ) ); */
-
-    /* everything succeeded! */
-
- error:
-    if( tempDevHandle >= 0 )
-        close( tempDevHandle );         
-
-    return result;
-}
-
-/** Validate stream parameters.
- *
- * Aspect StreamChannels: We verify that the number of channels is within the allowed range for the device
- */
-static PaError ValidateParameters( const PaStreamParameters *parameters, const PaDeviceInfo *deviceInfo, StreamMode mode )
-{
-    int maxChans;
-
-    assert( parameters );
-
-    if( parameters->device == paUseHostApiSpecificDeviceSpecification )
-    {
-        return paInvalidDevice;
-    }
-
-    maxChans = (mode == StreamMode_In ? deviceInfo->maxInputChannels :
-        deviceInfo->maxOutputChannels);
-    if( parameters->channelCount > maxChans )
-    {
-        return paInvalidChannelCount;
-    }
-
-    return paNoError;
-}
-
-static PaError PaOssStreamComponent_Initialize( PaOssStreamComponent *component, const PaStreamParameters *parameters,
-        int callbackMode, int fd, const char *deviceName )
-{
-    PaError result = paNoError;
-    assert( component );
-
-    memset( component, 0, sizeof (PaOssStreamComponent) );
-
-    component->fd = fd;
-    component->devName = deviceName;
-    component->userChannelCount = parameters->channelCount;
-    component->userFormat = parameters->sampleFormat;
-    component->latency = parameters->suggestedLatency;
-    component->userInterleaved = !(parameters->sampleFormat & paNonInterleaved);
-
-    if( !callbackMode && !component->userInterleaved )
-    {
-        /* Pre-allocate non-interleaved user provided buffers */
-        PA_UNLESS( component->userBuffers = PaUtil_AllocateMemory( sizeof (void *) * component->userChannelCount ),
-                paInsufficientMemory );
-    }
-
-error:
-    return result;
-}
-
-static void PaOssStreamComponent_Terminate( PaOssStreamComponent *component )
-{
-    assert( component );
-
-    if( component->fd >= 0 )
-        close( component->fd );
-    if( component->buffer )
-        PaUtil_FreeMemory( component->buffer );
-
-    if( component->userBuffers )
-        PaUtil_FreeMemory( component->userBuffers );
-
-    PaUtil_FreeMemory( component );
-}
-
-static PaError ModifyBlocking( int fd, int blocking )
-{
-    PaError result = paNoError;
-    int fflags;
-
-    ENSURE_( fflags = fcntl( fd, F_GETFL ), paUnanticipatedHostError );
-
-    if( blocking )
-        fflags &= ~O_NONBLOCK;
-    else
-        fflags |= O_NONBLOCK;
-
-    ENSURE_( fcntl( fd, F_SETFL, fflags ), paUnanticipatedHostError );
-
-error:
-    return result;
-}
-
-static PaError OpenDevices( const char *idevName, const char *odevName, int *idev, int *odev )
-{
-    PaError result = paNoError;
-    int flags = O_NONBLOCK, duplex = 0;
-    int enableBits = 0;
-    *idev = *odev = -1;
-
-    if( idevName && odevName )
-    {
-        duplex = 1;
-        flags |= O_RDWR;
-    }
-    else if( idevName )
-        flags |= O_RDONLY;
-    else
-        flags |= O_WRONLY;
-
-    /* open first in nonblocking mode, in case it's busy...
-     * A: then unset the non-blocking attribute */
-    assert( flags & O_NONBLOCK );
-    if( idevName )
-    {
-        ENSURE_( *idev = open( idevName, flags ), paDeviceUnavailable );
-        PA_ENSURE( ModifyBlocking( *idev, 1 ) ); /* Blocking */
-
-        /* Initially disable */
-        enableBits = ~PCM_ENABLE_INPUT;
-        ENSURE_( ioctl( *idev, SNDCTL_DSP_SETTRIGGER, &enableBits ), paUnanticipatedHostError );
-    }
-    if( odevName )
-    {
-        if( !idevName )
-        {
-            ENSURE_( *odev = open( odevName, flags ), paDeviceUnavailable );
-            PA_ENSURE( ModifyBlocking( *odev, 1 ) ); /* Blocking */
-
-            /* Initially disable */
-            enableBits = ~PCM_ENABLE_OUTPUT;
-            ENSURE_( ioctl( *odev, SNDCTL_DSP_SETTRIGGER, &enableBits ), paUnanticipatedHostError );
-        }
-        else
-        {
-            ENSURE_( *odev = dup( *idev ), paUnanticipatedHostError );
-        }
-    }
-
-error:
-    return result;
-}
-
-static PaError PaOssStream_Initialize( PaOssStream *stream, const PaStreamParameters *inputParameters, const PaStreamParameters *outputParameters,
-        PaStreamCallback callback, void *userData, PaStreamFlags streamFlags,
-        PaOSSHostApiRepresentation *ossApi )
-{
-    PaError result = paNoError;
-    int idev, odev;
-    PaUtilHostApiRepresentation *hostApi = &ossApi->inheritedHostApiRep;
-    const char *idevName = NULL, *odevName = NULL;
-
-    assert( stream );
-
-    memset( stream, 0, sizeof (PaOssStream) );
-    stream->isStopped = 1;
-
-    PA_ENSURE( PaUtil_InitializeThreading( &stream->threading ) );
-
-    if( inputParameters && outputParameters )
-    {
-        if( inputParameters->device == outputParameters->device )
-            stream->sharedDevice = 1;
-    }
-
-    if( inputParameters )
-        idevName = hostApi->deviceInfos[inputParameters->device]->name;
-    if( outputParameters )
-        odevName = hostApi->deviceInfos[outputParameters->device]->name;
-    PA_ENSURE( OpenDevices( idevName, odevName, &idev, &odev ) );
-    if( inputParameters )
-    {
-        PA_UNLESS( stream->capture = PaUtil_AllocateMemory( sizeof (PaOssStreamComponent) ), paInsufficientMemory );
-        PA_ENSURE( PaOssStreamComponent_Initialize( stream->capture, inputParameters, callback != NULL, idev, idevName ) );
-    }
-    if( outputParameters )
-    {
-        PA_UNLESS( stream->playback = PaUtil_AllocateMemory( sizeof (PaOssStreamComponent) ), paInsufficientMemory );
-        PA_ENSURE( PaOssStreamComponent_Initialize( stream->playback, outputParameters, callback != NULL, odev, odevName ) );
-    }
-
-    if( callback != NULL )
-    {
-        PaUtil_InitializeStreamRepresentation( &stream->streamRepresentation,
-                                               &ossApi->callbackStreamInterface, callback, userData );
-        stream->callbackMode = 1;
-    }
-    else
-    {
-        PaUtil_InitializeStreamRepresentation( &stream->streamRepresentation,
-                                               &ossApi->blockingStreamInterface, callback, userData );
-    }    
-
-    ENSURE_( sem_init( &stream->semaphore, 0, 0 ), paInternalError );
-
-error:
-    return result;
-}
-
-static void PaOssStream_Terminate( PaOssStream *stream )
-{
-    assert( stream );
-
-    PaUtil_TerminateStreamRepresentation( &stream->streamRepresentation );
-    PaUtil_TerminateThreading( &stream->threading );
-
-    if( stream->capture )
-        PaOssStreamComponent_Terminate( stream->capture );
-    if( stream->playback )
-        PaOssStreamComponent_Terminate( stream->playback );
-
-    sem_destroy( &stream->semaphore );
-
-    PaUtil_FreeMemory( stream );
-}
-
-/** Translate from PA format to OSS native.
- *
- */
-static PaError Pa2OssFormat( PaSampleFormat paFormat, int *ossFormat )
-{
-    switch( paFormat )
-    {
-        case paUInt8:
-            *ossFormat = AFMT_U8;
-            break;
-        case paInt8:
-            *ossFormat = AFMT_S8;
-            break;
-        case paInt16:
-            *ossFormat = AFMT_S16_NE;
-            break;
-        default:
-            return paInternalError;     /* This shouldn't happen */
-    }
-
-    return paNoError;
-}
-
-/** Return the PA-compatible formats that this device can support.
- *
- */
-static PaError GetAvailableFormats( PaOssStreamComponent *component, PaSampleFormat *availableFormats )
-{
-    PaError result = paNoError;
-    int mask = 0;
-    PaSampleFormat frmts = 0;
-
-    ENSURE_( ioctl( component->fd, SNDCTL_DSP_GETFMTS, &mask ), paUnanticipatedHostError );
-    if( mask & AFMT_U8 )
-        frmts |= paUInt8;
-    if( mask & AFMT_S8 )
-        frmts |= paInt8;
-    if( mask & AFMT_S16_NE )
-        frmts |= paInt16;
-    else
-        result = paSampleFormatNotSupported;
-    
-    *availableFormats = frmts;
-
-error:
-    return result;
-}
-
-static unsigned int PaOssStreamComponent_FrameSize( PaOssStreamComponent *component )
-{
-    return Pa_GetSampleSize( component->hostFormat ) * component->hostChannelCount;
-}
-
-/** Buffer size in bytes.
- *
- */
-static unsigned long PaOssStreamComponent_BufferSize( PaOssStreamComponent *component )
-{
-    return PaOssStreamComponent_FrameSize( component ) * component->hostFrames * component->numBufs;
-}
-
-static int CalcHigherLogTwo( int n )
-{
-    int log2 = 0;
-    while( (1<<log2) < n ) log2++;
-    return log2;
-}
-
-static PaError PaOssStreamComponent_Configure( PaOssStreamComponent *component, double sampleRate, unsigned long framesPerBuffer,
-        StreamMode streamMode, PaOssStreamComponent *master )
-{
-    PaError result = paNoError;
-    int temp, nativeFormat;
-    int sr = (int)sampleRate;
-    PaSampleFormat availableFormats, hostFormat;
-    int chans = component->userChannelCount;
-    int frgmt;
-    int numBufs;
-    int bytesPerBuf;
-    double bufSz;
-    unsigned long fragSz;
-    audio_buf_info bufInfo;
-
-    /* We may have a situation where only one component (the master) is configured, if both point to the same device.
-     * In that case, the second component will copy settings from the other */
-    if( !master )
-    {
-        /* Aspect BufferSettings: If framesPerBuffer is unspecified we have to infer a suitable fragment size.
-         * The hardware need not respect the requested fragment size, so we may have to adapt.
-         */
-        if( framesPerBuffer == paFramesPerBufferUnspecified )
-        { 
-            bufSz = component->latency * sampleRate;
-            fragSz = bufSz / 4;
-        }
-        else
-        {
-            fragSz = framesPerBuffer;
-            bufSz = component->latency * sampleRate + fragSz; /* Latency + 1 buffer */
-        }
-
-        PA_ENSURE( GetAvailableFormats( component, &availableFormats ) );
-        hostFormat = PaUtil_SelectClosestAvailableFormat( availableFormats, component->userFormat );
-
-        /* OSS demands at least 2 buffers, and 16 bytes per buffer */
-        numBufs = PA_MAX( bufSz / fragSz, 2 );
-        bytesPerBuf = PA_MAX( fragSz * Pa_GetSampleSize( hostFormat ) * chans, 16 );
-
-        /* The fragment parameters are encoded like this:
-         * Most significant byte: number of fragments
-         * Least significant byte: exponent of fragment size (i.e., for 256, 8)
-         */
-        frgmt = (numBufs << 16) + (CalcHigherLogTwo( bytesPerBuf ) & 0xffff);
-        ENSURE_( ioctl( component->fd, SNDCTL_DSP_SETFRAGMENT, &frgmt ), paUnanticipatedHostError );
-
-        /* A: according to the OSS programmer's guide parameters should be set in this order:
-         * format, channels, rate */
-
-        /* This format should be deemed good before we get this far */
-        PA_ENSURE( Pa2OssFormat( hostFormat, &temp ) );
-        nativeFormat = temp;
-        ENSURE_( ioctl( component->fd, SNDCTL_DSP_SETFMT, &temp ), paUnanticipatedHostError );
-        PA_UNLESS( temp == nativeFormat, paInternalError );
-
-        /* try to set the number of channels */
-        ENSURE_( ioctl( component->fd, SNDCTL_DSP_CHANNELS, &chans ), paSampleFormatNotSupported );   /* XXX: Should be paInvalidChannelCount? */
-        /* It's possible that the minimum number of host channels is greater than what the user requested */
-        PA_UNLESS( chans >= component->userChannelCount, paInvalidChannelCount );
-
-        /* try to set the sample rate */
-        ENSURE_( ioctl( component->fd, SNDCTL_DSP_SPEED, &sr ), paInvalidSampleRate );
-
-        /* reject if there's no sample rate within 1% of the one requested */
-        if( (fabs( sampleRate - sr ) / sampleRate) > 0.01 )
-        {
-            PA_DEBUG(("%s: Wanted %f, closest sample rate was %d\n", __FUNCTION__, sampleRate, sr ));                 
-            PA_ENSURE( paInvalidSampleRate );
-        }
-
-        ENSURE_( ioctl( component->fd, streamMode == StreamMode_In ? SNDCTL_DSP_GETISPACE : SNDCTL_DSP_GETOSPACE, &bufInfo ),
-                paUnanticipatedHostError );
-        component->numBufs = bufInfo.fragstotal;
-
-        /* This needs to be the last ioctl call before the first read/write, according to the OSS programmer's guide */
-        ENSURE_( ioctl( component->fd, SNDCTL_DSP_GETBLKSIZE, &bytesPerBuf ), paUnanticipatedHostError );
-
-        component->hostFrames = bytesPerBuf / Pa_GetSampleSize( hostFormat ) / chans;
-        component->hostChannelCount = chans;
-        component->hostFormat = hostFormat;
-    }
-    else
-    {
-        component->hostFormat = master->hostFormat;
-        component->hostFrames = master->hostFrames;
-        component->hostChannelCount = master->hostChannelCount;
-        component->numBufs = master->numBufs;
-    }
-
-    PA_UNLESS( component->buffer = PaUtil_AllocateMemory( PaOssStreamComponent_BufferSize( component ) ),
-            paInsufficientMemory );
-
-error:
-    return result;
-}
-
-static PaError PaOssStreamComponent_Read( PaOssStreamComponent *component, unsigned long *frames )
-{
-    PaError result = paNoError;
-    size_t len = *frames * PaOssStreamComponent_FrameSize( component );
-    ssize_t bytesRead;
-
-    ENSURE_( bytesRead = read( component->fd, component->buffer, len ), paUnanticipatedHostError );
-    *frames = bytesRead / PaOssStreamComponent_FrameSize( component );
-
-error:
-    return result;
-}
-
-static PaError PaOssStreamComponent_Write( PaOssStreamComponent *component, unsigned long *frames )
-{
-    PaError result = paNoError;
-    size_t len = *frames * PaOssStreamComponent_FrameSize( component );
-    ssize_t bytesWritten;
-
-    ENSURE_( bytesWritten = write( component->fd, component->buffer, len ), paUnanticipatedHostError );
-    *frames = bytesWritten / PaOssStreamComponent_FrameSize( component );
-
-error:
-    return result;
-}
-
-/** Configure the stream according to input/output parameters.
- *
- * Aspect StreamChannels: The minimum number of channels supported by the device may exceed that requested by
- * the user, if so we'll record the actual number of host channels and adapt later.
- */
-static PaError PaOssStream_Configure( PaOssStream *stream, double sampleRate, unsigned long framesPerBuffer,
-        double *inputLatency, double *outputLatency )
-{
-    PaError result = paNoError;
-    int duplex = stream->capture && stream->playback;
-    unsigned long framesPerHostBuffer = 0;
-
-    /* We should request full duplex first thing after opening the device */
-    if( duplex && stream->sharedDevice )
-        ENSURE_( ioctl( stream->capture->fd, SNDCTL_DSP_SETDUPLEX, 0 ), paUnanticipatedHostError );
-
-    if( stream->capture )
-    {
-        PaOssStreamComponent *component = stream->capture;
-        PaOssStreamComponent_Configure( component, sampleRate, framesPerBuffer, StreamMode_In, NULL );
-
-        assert( component->hostChannelCount > 0 );
-        assert( component->hostFrames > 0 );
-
-        *inputLatency = component->hostFrames * (component->numBufs - 1) / sampleRate;
-    }
-    if( stream->playback )
-    {
-        PaOssStreamComponent *component = stream->playback, *master = stream->sharedDevice ? stream->capture : NULL;
-        PA_ENSURE( PaOssStreamComponent_Configure( component, sampleRate, framesPerBuffer, StreamMode_Out,
-                    master ) );
-
-        assert( component->hostChannelCount > 0 );
-        assert( component->hostFrames > 0 );
-
-        *outputLatency = component->hostFrames * (component->numBufs - 1) / sampleRate;
-    }
-
-    if( duplex )
-        framesPerHostBuffer = PA_MIN( stream->capture->hostFrames, stream->playback->hostFrames );
-    else if( stream->capture )
-        framesPerHostBuffer = stream->capture->hostFrames;
-    else if( stream->playback )
-        framesPerHostBuffer = stream->playback->hostFrames;
-
-    stream->framesPerHostBuffer = framesPerHostBuffer;
-    stream->pollTimeout = (int) ceil( 1e6 * framesPerHostBuffer / sampleRate );    /* Period in usecs, rounded up */
-
-    stream->streamRepresentation.streamInfo.sampleRate = sampleRate;
-
-error:
-    return result;
-}
-
-/* see pa_hostapi.h for a list of validity guarantees made about OpenStream parameters */
-
-/** Open a PA OSS stream.
- *
- * Aspect StreamChannels: The number of channels is specified per direction (in/out), and can differ between the
- * two. However, OSS doesn't support separate configuration spaces for capture and playback so if both
- * directions are the same device we will demand the same number of channels. The number of channels can range
- * from 1 to the maximum supported by the device.
- *
- * Aspect BufferSettings: If framesPerBuffer != paFramesPerBufferUnspecified the number of frames per callback
- * must reflect this, in addition the host latency per device should approximate the corresponding
- * suggestedLatency. Based on these constraints we need to determine a number of frames per host buffer that
- * both capture and playback can agree on (they can be different devices), the buffer processor can adapt
- * between host and user buffer size, but the ratio should preferably be integral.
- */
-static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
-                           PaStream** s,
-                           const PaStreamParameters *inputParameters,
-                           const PaStreamParameters *outputParameters,
-                           double sampleRate,
-                           unsigned long framesPerBuffer,
-                           PaStreamFlags streamFlags,
-                           PaStreamCallback *streamCallback,
-                           void *userData )
-{
-    PaError result = paNoError;
-    PaOSSHostApiRepresentation *ossHostApi = (PaOSSHostApiRepresentation*)hostApi;
-    PaOssStream *stream = NULL;
-    int inputChannelCount = 0, outputChannelCount = 0;
-    PaSampleFormat inputSampleFormat = 0, outputSampleFormat = 0, inputHostFormat = 0, outputHostFormat = 0;
-    const PaDeviceInfo *inputDeviceInfo = 0, *outputDeviceInfo = 0;
-    int bpInitialized = 0;
-    double inLatency, outLatency;
-
-    /* validate platform specific flags */
-    if( (streamFlags & paPlatformSpecificFlags) != 0 )
-        return paInvalidFlag; /* unexpected platform specific flag */
-
-    if( inputParameters )
-    {
-        /* unless alternate device specification is supported, reject the use of
-            paUseHostApiSpecificDeviceSpecification */
-        inputDeviceInfo = hostApi->deviceInfos[inputParameters->device];
-        PA_ENSURE( ValidateParameters( inputParameters, inputDeviceInfo, StreamMode_In ) );
-
-        inputChannelCount = inputParameters->channelCount;
-        inputSampleFormat = inputParameters->sampleFormat;
-    }
-    if( outputParameters )
-    {
-        outputDeviceInfo = hostApi->deviceInfos[outputParameters->device];
-        PA_ENSURE( ValidateParameters( outputParameters, outputDeviceInfo, StreamMode_Out ) );
-
-        outputChannelCount = outputParameters->channelCount;
-        outputSampleFormat = outputParameters->sampleFormat;
-    }
-
-    /* Aspect StreamChannels: We currently demand that number of input and output channels are the same, if the same
-     * device is opened for both directions
-     */
-    if( inputChannelCount > 0 && outputChannelCount > 0 )
-    {
-        if( inputParameters->device == outputParameters->device )
-        {
-            if( inputParameters->channelCount != outputParameters->channelCount )
-                return paInvalidChannelCount;
-        }
-    }
-    
-    /* allocate and do basic initialization of the stream structure */
-    PA_UNLESS( stream = (PaOssStream*)PaUtil_AllocateMemory( sizeof(PaOssStream) ), paInsufficientMemory );
-    PaOssStream_Initialize( stream, inputParameters, outputParameters, streamCallback, userData, streamFlags, ossHostApi );
-
-    PA_ENSURE( PaOssStream_Configure( stream, sampleRate, framesPerBuffer, &inLatency, &outLatency ) );
-
-    PaUtil_InitializeCpuLoadMeasurer( &stream->cpuLoadMeasurer, sampleRate );
-        
-    if( inputParameters )
-    {
-        inputHostFormat = stream->capture->hostFormat;
-        stream->streamRepresentation.streamInfo.inputLatency = inLatency +
-            PaUtil_GetBufferProcessorInputLatency( &stream->bufferProcessor ) / sampleRate;
-    }
-    if( outputParameters )
-    {
-        outputHostFormat = stream->playback->hostFormat;
-        stream->streamRepresentation.streamInfo.outputLatency = outLatency +
-            PaUtil_GetBufferProcessorOutputLatency( &stream->bufferProcessor ) / sampleRate;
-    }
-
-    /* Initialize buffer processor with fixed host buffer size.
-     * Aspect StreamSampleFormat: Here we commit the user and host sample formats, PA infrastructure will
-     * convert between the two.
-     */
-    PA_ENSURE( PaUtil_InitializeBufferProcessor( &stream->bufferProcessor,
-              inputChannelCount, inputSampleFormat, inputHostFormat, outputChannelCount, outputSampleFormat,
-              outputHostFormat, sampleRate, streamFlags, framesPerBuffer, stream->framesPerHostBuffer,
-              paUtilFixedHostBufferSize, streamCallback, userData ) );
-    bpInitialized = 1;
-
-    *s = (PaStream*)stream;
-
-    return result;
-
-error:
-    if( bpInitialized )
-        PaUtil_TerminateBufferProcessor( &stream->bufferProcessor );
-    if( stream )
-        PaOssStream_Terminate( stream );
-
-    return result;
-}
-
-/*! Poll on I/O filedescriptors.
-
-  Poll till we've determined there's data for read or write. In the full-duplex case,
-  we don't want to hang around forever waiting for either input or output frames, so
-  whenever we have a timed out filedescriptor we check if we're nearing under/overrun
-  for the other direction (critical limit set at one buffer). If so, we exit the waiting
-  state, and go on with what we got. We align the number of frames on a host buffer
-  boundary because it is possible that the buffer size differs for the two directions and
-  the host buffer size is a compromise between the two.
-  */
-static PaError PaOssStream_WaitForFrames( PaOssStream *stream, unsigned long *frames )
-{
-    PaError result = paNoError;
-    int pollPlayback = 0, pollCapture = 0;
-    int captureAvail = INT_MAX, playbackAvail = INT_MAX, commonAvail;
-    audio_buf_info bufInfo;
-    /* int ofs = 0, nfds = stream->nfds; */
-    fd_set readFds, writeFds;
-    int nfds = 0;
-    struct timeval selectTimeval = {0, 0};
-    unsigned long timeout = stream->pollTimeout;    /* In usecs */
-    int captureFd = -1, playbackFd = -1;
-
-    assert( stream );
-    assert( frames );
-
-    if( stream->capture )
-    {
-        pollCapture = 1;
-        captureFd = stream->capture->fd;
-        /* stream->capture->pfd->events = POLLIN; */
-    }
-    if( stream->playback )
-    {
-        pollPlayback = 1;
-        playbackFd = stream->playback->fd;
-        /* stream->playback->pfd->events = POLLOUT; */
-    }
-
-    FD_ZERO( &readFds );
-    FD_ZERO( &writeFds );
-
-    while( pollPlayback || pollCapture )
-    {
-        pthread_testcancel();
-
-        /* select may modify the timeout parameter */
-        selectTimeval.tv_usec = timeout;
-        nfds = 0;
-
-        if( pollCapture )
-        {
-            FD_SET( captureFd, &readFds );
-            nfds = captureFd + 1;
-        }
-        if( pollPlayback )
-        {
-            FD_SET( playbackFd, &writeFds );
-            nfds = PA_MAX( nfds, playbackFd + 1 );
-        }
-        ENSURE_( select( nfds, &readFds, &writeFds, NULL, &selectTimeval ), paUnanticipatedHostError );
-        /*
-        if( poll( stream->pfds + ofs, nfds, stream->pollTimeout ) < 0 )
-        {
-
-            ENSURE_( -1, paUnanticipatedHostError );
-        }
-        */
-        pthread_testcancel();
-
-        if( pollCapture )
-        {
-            if( FD_ISSET( captureFd, &readFds ) )
-            {
-                FD_CLR( captureFd, &readFds );
-                pollCapture = 0;
-            }
-            /*
-            if( stream->capture->pfd->revents & POLLIN )
-            {
-                --nfds;
-                ++ofs;
-                pollCapture = 0;
-            }
-            */
-            else if( stream->playback ) /* Timed out, go on with playback? */ 
-            {
-                /*PA_DEBUG(( "%s: Trying to poll again for capture frames, pollTimeout: %d\n",
-                            __FUNCTION__, stream->pollTimeout ));*/
-            }
-        }
-        if( pollPlayback )
-        {
-            if( FD_ISSET( playbackFd, &writeFds ) )
-            {
-                FD_CLR( playbackFd, &writeFds );
-                pollPlayback = 0;
-            }
-            /*
-            if( stream->playback->pfd->revents & POLLOUT )
-            {
-                --nfds;
-                pollPlayback = 0;
-            }
-            */
-            else if( stream->capture )  /* Timed out, go on with capture? */
-            {
-                /*PA_DEBUG(( "%s: Trying to poll again for playback frames, pollTimeout: %d\n\n",
-                            __FUNCTION__, stream->pollTimeout ));*/
-            }
-        }
-    }
-
-    if( stream->capture )
-    {
-        ENSURE_( ioctl( captureFd, SNDCTL_DSP_GETISPACE, &bufInfo ), paUnanticipatedHostError );
-        captureAvail = bufInfo.fragments * stream->capture->hostFrames;
-        if( !captureAvail )
-            PA_DEBUG(( "%s: captureAvail: 0\n", __FUNCTION__ ));
-
-        captureAvail = captureAvail == 0 ? INT_MAX : captureAvail;      /* Disregard if zero */
-    }
-    if( stream->playback )
-    {
-        ENSURE_( ioctl( playbackFd, SNDCTL_DSP_GETOSPACE, &bufInfo ), paUnanticipatedHostError );
-        playbackAvail = bufInfo.fragments * stream->playback->hostFrames;
-        if( !playbackAvail )
-        {
-            PA_DEBUG(( "%s: playbackAvail: 0\n", __FUNCTION__ ));
-        }
-
-        playbackAvail = playbackAvail == 0 ? INT_MAX : playbackAvail;      /* Disregard if zero */
-    }
-
-    commonAvail = PA_MIN( captureAvail, playbackAvail );
-    if( commonAvail == INT_MAX )
-        commonAvail = 0;
-    commonAvail -= commonAvail % stream->framesPerHostBuffer;
-
-    assert( commonAvail != INT_MAX );
-    assert( commonAvail >= 0 );
-    *frames = commonAvail;
-
-error:
-    return result;
-}
-
-/** Prepare stream for capture/playback.
- *
- * In order to synchronize capture and playback properly we use the SETTRIGGER command.
- */
-static PaError PaOssStream_Prepare( PaOssStream *stream )
-{
-    PaError result = paNoError;
-    int enableBits = 0;
-
-    if( stream->triggered )
-        return result;
-
-    if( stream->playback )
-    {
-        size_t bufSz = PaOssStreamComponent_BufferSize( stream->playback );
-        memset( stream->playback->buffer, 0, bufSz );
-
-        /* Looks like we have to turn off blocking before we try this, but if we don't fill the buffer
-         * OSS will complain. */
-        PA_ENSURE( ModifyBlocking( stream->playback->fd, 0 ) );
-        while (1)
-        {
-            if( write( stream->playback->fd, stream->playback->buffer, bufSz ) < 0 )
-                break;
-        }
-        PA_ENSURE( ModifyBlocking( stream->playback->fd, 1 ) );
-    }
-
-    if( stream->sharedDevice )
-    {
-        enableBits = PCM_ENABLE_INPUT | PCM_ENABLE_OUTPUT;
-        ENSURE_( ioctl( stream->capture->fd, SNDCTL_DSP_SETTRIGGER, &enableBits ), paUnanticipatedHostError );
-    }
-    else
-    {
-        if( stream->capture )
-        {
-            enableBits = PCM_ENABLE_INPUT;
-            ENSURE_( ioctl( stream->capture->fd, SNDCTL_DSP_SETTRIGGER, &enableBits ), paUnanticipatedHostError );
-        }
-        if( stream->playback )
-        {
-            enableBits = PCM_ENABLE_OUTPUT;
-            ENSURE_( ioctl( stream->playback->fd, SNDCTL_DSP_SETTRIGGER, &enableBits ), paUnanticipatedHostError );
-        }
-    }
-
-    /* Ok, we have triggered the stream */
-    stream->triggered = 1;
-    
-error:
-    return result;
-}
-
-/** Stop audio processing
- *
- */
-static PaError PaOssStream_Stop( PaOssStream *stream, int abort )
-{
-    PaError result = paNoError;
-
-    /* Looks like the only safe way to stop audio without reopening the device is SNDCTL_DSP_POST.
-     * Also disable capture/playback till the stream is started again */
-    if( stream->capture )
-    {
-        ENSURE_( ioctl( stream->capture->fd, SNDCTL_DSP_POST, 0 ), paUnanticipatedHostError );
-    }
-    if( stream->playback && !stream->sharedDevice )
-    {
-        ENSURE_( ioctl( stream->playback->fd, SNDCTL_DSP_POST, 0 ), paUnanticipatedHostError );
-    }
-
-error:
-    return result;
-}
-
-/** Clean up after thread exit.
- *
- * Aspect StreamState: If the user has registered a streamFinishedCallback it will be called here
- */
-static void OnExit( void *data )
-{
-    PaOssStream *stream = (PaOssStream *) data;
-    assert( data );
-
-    PaUtil_ResetCpuLoadMeasurer( &stream->cpuLoadMeasurer );
-
-    PaOssStream_Stop( stream, stream->callbackAbort );
-    
-    PA_DEBUG(( "OnExit: Stoppage\n" ));
-
-    /* Eventually notify user all buffers have played */
-    if( stream->streamRepresentation.streamFinishedCallback )
-        stream->streamRepresentation.streamFinishedCallback( stream->streamRepresentation.userData );
-
-    stream->callbackAbort = 0;      /* Clear state */
-    stream->isActive = 0;
-}
-
-static PaError SetUpBuffers( PaOssStream *stream, unsigned long framesAvail )
-{
-    PaError result = paNoError;
-
-    if( stream->capture )
-    {
-        PaUtil_SetInterleavedInputChannels( &stream->bufferProcessor, 0, stream->capture->buffer,
-                stream->capture->hostChannelCount );
-        PaUtil_SetInputFrameCount( &stream->bufferProcessor, framesAvail );
-    }
-    if( stream->playback )
-    {
-        PaUtil_SetInterleavedOutputChannels( &stream->bufferProcessor, 0, stream->playback->buffer,
-                stream->playback->hostChannelCount );
-        PaUtil_SetOutputFrameCount( &stream->bufferProcessor, framesAvail );
-    }
-
-    return result;
-}
-
-/** Thread procedure for callback processing.
- *
- * Aspect StreamState: StartStream will wait on this to initiate audio processing, useful in case the
- * callback should be used for buffer priming. When the stream is cancelled a separate function will
- * take care of the transition to the Callback Finished state (the stream isn't considered Stopped
- * before StopStream() or AbortStream() are called).
- */
-static void *PaOSS_AudioThreadProc( void *userData )
-{
-    PaError result = paNoError;
-    PaOssStream *stream = (PaOssStream*)userData;
-    unsigned long framesAvail, framesProcessed;
-    int callbackResult = paContinue;
-    int triggered = stream->triggered;  /* See if SNDCTL_DSP_TRIGGER has been issued already */
-    int initiateProcessing = triggered;    /* Already triggered? */
-    PaStreamCallbackFlags cbFlags = 0;  /* We might want to keep state across iterations */
-    
-    /*
-#if ( SOUND_VERSION > 0x030904 )
-        audio_errinfo errinfo;
-#endif
-*/
-    
-    assert( stream );
-
-    pthread_cleanup_push( &OnExit, stream );	/* Execute OnExit when exiting */
-
-    /* The first time the stream is started we use SNDCTL_DSP_TRIGGER to accurately start capture and
-     * playback in sync, when the stream is restarted after being stopped we simply start by reading/
-     * writing.
-     */
-    PA_ENSURE( PaOssStream_Prepare( stream ) );
-
-    /* If we are to initiate processing implicitly by reading/writing data, we start off in blocking mode */
-    if( initiateProcessing )
-    {
-        /* Make sure devices are in blocking mode */
-        if( stream->capture )
-            ModifyBlocking( stream->capture->fd, 1 );
-        if( stream->playback )
-            ModifyBlocking( stream->playback->fd, 1 );
-    }
-
-    while( 1 )
-    {
-        PaStreamCallbackTimeInfo timeInfo = {0,0,0}; /* TODO: IMPLEMENT ME */
-
-        pthread_testcancel();
-
-        if( stream->callbackStop && callbackResult == paContinue )
-        {
-            PA_DEBUG(( "Setting callbackResult to paComplete\n" ));
-            callbackResult = paComplete;
-        }
-
-        /* Aspect StreamState: Because of the messy OSS scheme we can't explicitly trigger device start unless
-         * the stream has been recently started, we will have to go right ahead and read/write in blocking
-         * fashion to trigger operation. Therefore we begin with processing one host buffer before we switch
-         * to non-blocking mode.
-         */
-        if( !initiateProcessing )
-        {
-            PA_ENSURE( PaOssStream_WaitForFrames( stream, &framesAvail ) );  /* Wait on available frames */
-            assert( framesAvail % stream->framesPerHostBuffer == 0 );
-        }
-        else
-        {
-            framesAvail = stream->framesPerHostBuffer;
-        }
-
-        while( framesAvail > 0 )
-        {
-            unsigned long frames = framesAvail;
-
-            pthread_testcancel();
-
-            PaUtil_BeginCpuLoadMeasurement( &stream->cpuLoadMeasurer );
-
-            /* Read data */
-            if ( stream->capture )
-            {
-                PA_ENSURE( PaOssStreamComponent_Read( stream->capture, &frames ) );
-                assert( frames == framesAvail );
-            }
-
-#if ( SOUND_VERSION >= 0x030904 )
-            /*
-               Check with OSS to see if there have been any under/overruns
-               since last time we checked.
-               */
-            /*
-            if( ioctl( stream->deviceHandle, SNDCTL_DSP_GETERROR, &errinfo ) >= 0 )
-            {
-                if( errinfo.play_underruns )
-                    cbFlags |= paOutputUnderflow ;
-                if( errinfo.record_underruns )
-                    cbFlags |= paInputUnderflow ;
-            }
-            else
-                PA_DEBUG(( "SNDCTL_DSP_GETERROR command failed: %s\n", strerror( errno ) ));
-                */
-#endif
-
-            PaUtil_BeginBufferProcessing( &stream->bufferProcessor, &timeInfo,
-                    cbFlags );
-            cbFlags = 0;
-            PA_ENSURE( SetUpBuffers( stream, framesAvail ) );
-
-            framesProcessed = PaUtil_EndBufferProcessing( &stream->bufferProcessor,
-                    &callbackResult );
-            assert( framesProcessed == framesAvail );
-            PaUtil_EndCpuLoadMeasurement( &stream->cpuLoadMeasurer, framesProcessed );
-
-            if ( stream->playback )
-            {
-                frames = framesAvail;
-
-                PA_ENSURE( PaOssStreamComponent_Write( stream->playback, &frames ) );
-                assert( frames == framesAvail );
-
-                /* TODO: handle bytesWritten != bytesRequested (slippage?) */
-            }
-
-            framesAvail -= framesProcessed;
-            stream->framesProcessed += framesProcessed;
-
-            if( callbackResult != paContinue )
-                break;
-        }
-
-        if( initiateProcessing || !triggered )
-        {
-            /* Non-blocking */
-            if( stream->capture )
-                PA_ENSURE( ModifyBlocking( stream->capture->fd, 0 ) );
-            if( stream->playback && !stream->sharedDevice )
-                PA_ENSURE( ModifyBlocking( stream->playback->fd, 0 ) );
-
-            initiateProcessing = 0;
-            sem_post( &stream->semaphore );
-        }
-
-        if( callbackResult != paContinue )
-        {
-            stream->callbackAbort = callbackResult == paAbort;
-            if( stream->callbackAbort || PaUtil_IsBufferProcessorOutputEmpty( &stream->bufferProcessor ) )
-                break;
-        }
-    }
-
-    pthread_cleanup_pop( 1 );
-
-error:
-    pthread_exit( NULL );
-}
-
-/** Close the stream.
- *
- */
-static PaError CloseStream( PaStream* s )
-{
-    PaError result = paNoError;
-    PaOssStream *stream = (PaOssStream*)s;
-
-    assert( stream );
-
-    PaUtil_TerminateBufferProcessor( &stream->bufferProcessor );
-    PaOssStream_Terminate( stream );
-
-    return result;
-}
-
-/** Start the stream.
- *
- * Aspect StreamState: After returning, the stream shall be in the Active state, implying that an eventual
- * callback will be repeatedly called in a separate thread. If a separate thread is started this function
- * will block untill it has started processing audio, otherwise audio processing is started directly.
- */
-static PaError StartStream( PaStream *s )
-{
-    PaError result = paNoError;
-    PaOssStream *stream = (PaOssStream*)s;
-
-    stream->isActive = 1;
-    stream->isStopped = 0;
-    stream->lastPosPtr = 0;
-    stream->lastStreamBytes = 0;
-    stream->framesProcessed = 0;
-
-    /* only use the thread for callback streams */
-    if( stream->bufferProcessor.streamCallback )
-    {
-        PA_ENSURE( PaUtil_StartThreading( &stream->threading, &PaOSS_AudioThreadProc, stream ) );
-        sem_wait( &stream->semaphore );
-    }
-    else
-        PA_ENSURE( PaOssStream_Prepare( stream ) );
-
-error:
-    return result;
-}
-
-static PaError RealStop( PaOssStream *stream, int abort )
-{
-    PaError result = paNoError;
-
-    if( stream->callbackMode )
-    {
-        if( abort )
-            stream->callbackAbort = 1;
-        else
-            stream->callbackStop = 1;
-
-        PA_ENSURE( PaUtil_CancelThreading( &stream->threading, !abort, NULL ) );
-
-        stream->callbackStop = stream->callbackAbort = 0;
-    }
-    else
-        PA_ENSURE( PaOssStream_Stop( stream, abort ) );
-
-    stream->isStopped = 1;
-
-error:
-    return result;
-}
-
-/** Stop the stream.
- *
- * Aspect StreamState: This will cause the stream to transition to the Stopped state, playing all enqueued
- * buffers.
- */
-static PaError StopStream( PaStream *s )
-{
-    return RealStop( (PaOssStream *)s, 0 );
-}
-
-/** Abort the stream.
- *
- * Aspect StreamState: This will cause the stream to transition to the Stopped state, discarding all enqueued
- * buffers. Note that the buffers are not currently correctly discarded, this is difficult without closing
- * the OSS device.
- */
-static PaError AbortStream( PaStream *s )
-{
-    return RealStop( (PaOssStream *)s, 1 );
-}
-
-/** Is the stream in the Stopped state.
- *
- */
-static PaError IsStreamStopped( PaStream *s )
-{
-    PaOssStream *stream = (PaOssStream*)s;
-
-    return (stream->isStopped);
-}
-
-/** Is the stream in the Active state.
- *
- */
-static PaError IsStreamActive( PaStream *s )
-{
-    PaOssStream *stream = (PaOssStream*)s;
-
-    return (stream->isActive);
-}
-
-static PaTime GetStreamTime( PaStream *s )
-{
-    PaOssStream *stream = (PaOssStream*)s;
-    count_info info;
-    int delta;
-
-    if( stream->playback ) {
-        if( ioctl( stream->playback->fd, SNDCTL_DSP_GETOPTR, &info) == 0 ) {
-            delta = ( info.bytes - stream->lastPosPtr ) & 0x000FFFFF;
-            return ( stream->lastStreamBytes + delta) / PaOssStreamComponent_FrameSize( stream->playback ) / stream->sampleRate;
-        }
-    }
-    else {
-        if (ioctl( stream->capture->fd, SNDCTL_DSP_GETIPTR, &info) == 0) {
-            delta = (info.bytes - stream->lastPosPtr) & 0x000FFFFF;
-            return ( stream->lastStreamBytes + delta) / PaOssStreamComponent_FrameSize( stream->capture ) / stream->sampleRate;
-        }
-    }
-
-    /* the ioctl failed, but we can still give a coarse estimate */
-
-    return stream->framesProcessed / stream->sampleRate;
-}
-
-
-static double GetStreamCpuLoad( PaStream* s )
-{
-    PaOssStream *stream = (PaOssStream*)s;
-
-    return PaUtil_GetCpuLoad( &stream->cpuLoadMeasurer );
-}
-
-
-/*
-    As separate stream interfaces are used for blocking and callback
-    streams, the following functions can be guaranteed to only be called
-    for blocking streams.
-*/
-
-
-static PaError ReadStream( PaStream* s,
-                           void *buffer,
-                           unsigned long frames )
-{
-    PaOssStream *stream = (PaOssStream*)s;
-    int bytesRequested, bytesRead;
-    unsigned long framesRequested;
-    void *userBuffer;
-
-    /* If user input is non-interleaved, PaUtil_CopyInput will manipulate the channel pointers,
-     * so we copy the user provided pointers */
-    if( stream->bufferProcessor.userInputIsInterleaved )
-        userBuffer = buffer;
-    else /* Copy channels into local array */
-    {
-        userBuffer = stream->capture->userBuffers;
-        memcpy( (void *)userBuffer, buffer, sizeof (void *) * stream->capture->userChannelCount );
-    }
-
-    while( frames )
-    {
-        framesRequested = PA_MIN( frames, stream->capture->hostFrames );
-
-	bytesRequested = framesRequested * PaOssStreamComponent_FrameSize( stream->capture );
-	bytesRead = read( stream->capture->fd, stream->capture->buffer, bytesRequested );
-	if ( bytesRequested != bytesRead )
-	    return paUnanticipatedHostError;
-
-	PaUtil_SetInputFrameCount( &stream->bufferProcessor, stream->capture->hostFrames );
-	PaUtil_SetInterleavedInputChannels( &stream->bufferProcessor, 0, stream->capture->buffer, stream->capture->hostChannelCount );
-        PaUtil_CopyInput( &stream->bufferProcessor, &userBuffer, framesRequested );
-	frames -= framesRequested;
-    }
-    return paNoError;
-}
-
-
-static PaError WriteStream( PaStream* s,
-                            const void *buffer,
-                            unsigned long frames )
-{
-    PaOssStream *stream = (PaOssStream*)s;
-    int bytesRequested, bytesWritten;
-    unsigned long framesConverted;
-    const void *userBuffer;
-
-    /* If user output is non-interleaved, PaUtil_CopyOutput will manipulate the channel pointers,
-     * so we copy the user provided pointers */
-    if( stream->bufferProcessor.userOutputIsInterleaved )
-        userBuffer = buffer;
-    else /* Copy channels into local array */
-    {
-        userBuffer = stream->playback->userBuffers;
-        memcpy( (void *)userBuffer, buffer, sizeof (void *) * stream->playback->userChannelCount );
-    }
-
-    while( frames )
-    {
-	PaUtil_SetOutputFrameCount( &stream->bufferProcessor, stream->playback->hostFrames );
-	PaUtil_SetInterleavedOutputChannels( &stream->bufferProcessor, 0, stream->playback->buffer, stream->playback->hostChannelCount );
-
-	framesConverted = PaUtil_CopyOutput( &stream->bufferProcessor, &userBuffer, frames );
-	frames -= framesConverted;
-
-	bytesRequested = framesConverted * PaOssStreamComponent_FrameSize( stream->playback );
-	bytesWritten = write( stream->playback->fd, stream->playback->buffer, bytesRequested );
-
-	if ( bytesRequested != bytesWritten )
-	    return paUnanticipatedHostError;
-    }
-    return paNoError;
-}
-
-
-static signed long GetStreamReadAvailable( PaStream* s )
-{
-    PaOssStream *stream = (PaOssStream*)s;
-    audio_buf_info info;
-
-    if( ioctl( stream->capture->fd, SNDCTL_DSP_GETISPACE, &info ) < 0 )
-        return paUnanticipatedHostError;
-    return info.fragments * stream->capture->hostFrames;
-}
-
-
-/* TODO: Compute number of allocated bytes somewhere else, can we use ODELAY with capture */
-static signed long GetStreamWriteAvailable( PaStream* s )
-{
-    PaOssStream *stream = (PaOssStream*)s;
-    int delay = 0;
-
-    if( ioctl( stream->playback->fd, SNDCTL_DSP_GETODELAY, &delay ) < 0 )
-        return paUnanticipatedHostError;
-    
-    return (PaOssStreamComponent_BufferSize( stream->playback ) - delay) / PaOssStreamComponent_FrameSize( stream->playback );
-}
-
diff --git a/pd/portaudio/pa_unix_oss/recplay.c b/pd/portaudio/pa_unix_oss/recplay.c
deleted file mode 100644
index 9d4c78cf..00000000
--- a/pd/portaudio/pa_unix_oss/recplay.c
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * recplay.c
- * Phil Burk
- * Minimal record and playback test.
- * 
- */
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#ifndef __STDC__
-/* #include <getopt.h> */
-#endif /* __STDC__ */
-#include <fcntl.h>
-#ifdef __STDC__
-#include <string.h>
-#else /* __STDC__ */
-#include <strings.h>
-#endif /* __STDC__ */
-#include <sys/soundcard.h>
-
-#define NUM_BYTES   (64*1024)
-#define BLOCK_SIZE   (4*1024)
-
-#define AUDIO "/dev/dsp"
-
-char buffer[NUM_BYTES];
-
-int audioDev = 0;
-
-main (int argc, char *argv[])
-{
-    int   numLeft;
-    char *ptr;
-    int   num;
-    int   samplesize;
-
-    /********** RECORD ********************/
-    /* Open audio device. */
-    audioDev = open (AUDIO, O_RDONLY, 0);
-    if (audioDev == -1)
-    {
-        perror (AUDIO);
-        exit (-1);
-    }
-
-    /* Set to 16 bit samples. */
-    samplesize = 16;
-    ioctl(audioDev, SNDCTL_DSP_SAMPLESIZE, &samplesize);
-    if (samplesize != 16)
-    {
-        perror("Unable to set the sample size.");
-        exit(-1);
-    }
-
-    /* Record in blocks */
-    printf("Begin recording.\n");
-    numLeft = NUM_BYTES;
-    ptr = buffer;
-    while( numLeft >= BLOCK_SIZE )
-    {
-        if ( (num = read (audioDev, ptr, BLOCK_SIZE)) < 0 )
-        {
-            perror (AUDIO);
-            exit (-1);
-        }
-        else
-        {
-            printf("Read %d bytes\n", num);
-            ptr += num;
-            numLeft -= num;
-        }
-    }
-
-    close( audioDev );
-
-    /********** PLAYBACK ********************/
-    /* Open audio device for writing. */
-    audioDev = open (AUDIO, O_WRONLY, 0);
-    if (audioDev == -1)
-    {
-        perror (AUDIO);
-        exit (-1);
-    }
-
-    /* Set to 16 bit samples. */
-    samplesize = 16;
-    ioctl(audioDev, SNDCTL_DSP_SAMPLESIZE, &samplesize);
-    if (samplesize != 16)
-    {
-        perror("Unable to set the sample size.");
-        exit(-1);
-    }
-
-    /* Play in blocks */
-    printf("Begin playing.\n");
-    numLeft = NUM_BYTES;
-    ptr = buffer;
-    while( numLeft >= BLOCK_SIZE )
-    {
-        if ( (num = write (audioDev, ptr, BLOCK_SIZE)) < 0 )
-        {
-            perror (AUDIO);
-            exit (-1);
-        }
-        else
-        {
-            printf("Wrote %d bytes\n", num);
-            ptr += num;
-            numLeft -= num;
-        }
-    }
-
-    close( audioDev );
-}