find aaio.h on linux

dev/externals/fastconv/paplay.c

@@ -1,1593 +0,0 @@
-/*
- * Copyright (c) 1983-2022 Richard Dobson and Composers Desktop Project Ltd
- * http://people.bath.ac.uk/masrwd
- * http://www.composersdesktop.com
- * This file is part of the CDP System.
- * The CDP System is free software; you can redistribute it
- * and/or modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * The CDP System is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- * See the GNU Lesser General Public License for more details.
- * You should have received a copy of the GNU Lesser General Public
- * License along with the CDP System; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-/* paplay.c
- * Play a soundfile using the Portable Audio api for Max OS X using Core Audio.
- *
- • new version using threads and ring buffer, with thanks to Robert Bielik
-*/
-
-/* Dec 2005 support 3ch B-Format, b-format files via portsf */
-/* OCT 2009 much revised, extended b-format decoding options */
-/*     set ch mask to zero on Windows mme/ds.
-       TODO: decide whether/how to enable user to pass chmask of file to driver!
-*/
-/* Apr 2011 build with new portaudio stable v 19 */
-/* July 2012 added "to" option, memory playback mode */
-/* August 2012  restored -x flag */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <memory.h>
-#include <assert.h>
-#include <time.h>
-
-#ifdef _WIN32
-#define _WIN32_WINNT 0x0500
-#include <conio.h>
-#include <windows.h>
-#include <process.h>
-// NB: need to have PAWIN_USE_WDMKS_DEVICE_INFO defined
-#include "pa_win_ds.h"
-#endif
-
-#ifdef unix
-
-#include <sys/types.h>
-#include <sys/timeb.h>
-#endif
-
-#include <signal.h>
-
-#if defined unix || defined linux
-#include <aaio.h>
-#endif
-
-#ifdef MAC
-#include <libkern/OSAtomic.h>
-#endif
-
-#ifdef unix
-#include <sys/time.h>
-#include <pthread.h>
-/* in portsf.lib */
-extern int stricmp(const char *a, const char *b);
-#endif
-
-#include "portaudio.h"
-#include "pa_ringbuffer.h"
-#include "pa_util.h"
-#include "portsf.h"
-#include "fmdcode.h"
-
-
-
-#ifndef min
-#define min(x,y)  ((x) < (y) ? (x) : (y))
-#endif
-
-// TODO: scale by sample rate
-
-
-#define FRAMES_PER_BUFFER (4096)
-#define RINGBUF_NFRAMES    (32768)
-#define NUM_WRITES_PER_BUFFER   (4)
-
-
-enum {FM_MONO,FM_STEREO,FM_SQUARE,FM_QUAD,FM_PENT,DM_5_0,DM_5_1,FM_HEX,FM_OCT1,FM_OCT2,FM_CUBE,FM_QUADCUBE,FM_NLAYOUTS};
-
-#ifdef _WIN32
-HANDLE ghEvent;
-#endif
-
-
-typedef struct {
-    PaUtilRingBuffer ringbuf;
-    PaStream *stream;
-    PaTime startTime;
-    PaTime lastTime;
-    float *ringbufData;
-    float *inbuf;   //for decoding and other tx; used as temp working buffer for read thread func.
-    /* for memory read func */
-    float *membuf;
-    float** orderptr; // for chan mapping;
-#ifdef _WIN32
-    void *hThread;
-    HANDLE hTimer;
-    HANDLE hTimerCount;
-#else
-#ifdef unix
-    pthread_t hThread;
-#endif
-#endif
-    fmhdecodefunc decodefunc;
-    fmhcopyfunc copyfunc;
-    double gain;
-    unsigned long frames_played;
-    unsigned long current_frame;
-    unsigned long from_frame;
-    unsigned long to_frame;
-    unsigned long memFramelength;
-    unsigned long memFramePos;
-    unsigned long inbuflen;
-    int srate;
-    int inchans;
-    int outchans;
-    int flag;
-    int ifd;
-#ifdef DEBUG
-    int ofd;
-#endif
-    int do_decode;
-    int do_mapping;
-    int play_looped;
-    int finished;
-} psfdata;
-
-static int file_playing;
-static psfdata *g_pdata = NULL;  // for timer interrupt routine
-
-void playhandler(int sig)
-{
-    if(sig == SIGINT)
-        file_playing = 0;
-}
-
-
-#ifdef unix
-void alarm_wakeup (int i)
-{
-    struct itimerval tout_val;
-
-    signal(SIGALRM,alarm_wakeup);
-
-
-    if(file_playing && g_pdata->stream) {
-        //printf("%.4f secs\r",(float)(g_pdata->frames_played /(double) g_pdata->srate));
-        g_pdata->lastTime = Pa_GetStreamTime(g_pdata->stream ) - g_pdata->startTime;
-        printf("%.2f secs\r", g_pdata->lastTime);
-        fflush(stdout);
-    }
-    tout_val.it_interval.tv_sec = 0;
-    tout_val.it_interval.tv_usec = 0;
-    tout_val.it_value.tv_sec = 0;
-    tout_val.it_value.tv_usec = 200000;
-
-    setitimer(ITIMER_REAL, &tout_val,0);
-
-}
-#endif
-
-
-void finishedCallback(void *userData)
-{
-    psfdata *pdata = (psfdata*) userData;
-    //    printf("stream finished!\n");
-    pdata->finished = 1;
-    file_playing = 0;
-
-
-}
-
-
-#ifdef _WIN32
-
-VOID CALLBACK TimerCallback(PVOID lpParam, BOOLEAN TimerOrWaitFired)
-{
-    psfdata *pdata = (psfdata*) lpParam;
-
-    if(file_playing && pdata->stream) {
-        //printf("%.4f secs\r",(float)(g_pdata->frames_played /(double) g_pdata->srate));
-        pdata->lastTime = Pa_GetStreamTime(pdata->stream ) - pdata->startTime;
-        printf("%.2f secs\r", pdata->lastTime);
-        fflush(stdout);
-    }
-
-    SetEvent(ghEvent);
-}
-
-#endif
-/* thread func for file playback */
-/* writes decoded data to ring buffer */
-/* size of element is full m/c frame */
-
-// TODO: unix thread should return void*
-#ifdef unix
-static  int  threadFunctionReadFromRawFile(void* ptr)
-#else
-    static unsigned int __stdcall threadFunctionReadFromRawFile(void* ptr)
-#endif
-{
-    psfdata* pdata = (psfdata*)ptr;
-
-    /* Mark thread started */
-    pdata->flag = 0;
-
-    while (1) {
-        ring_buffer_size_t nElementsProcessed = 0;
-        ring_buffer_size_t elementsInBuffer = PaUtil_GetRingBufferWriteAvailable(&pdata->ringbuf);
-
-        //memset(pdata->inbuf,0,pdata->inbuflen * sizeof(float) * pdata->inchans);
-
-        if (elementsInBuffer >= pdata->ringbuf.bufferSize / 4) {
-            void* ptr[2] = {NULL};
-            ring_buffer_size_t sizes[2] = {0};
-
-            /* By using PaUtil_GetRingBufferWriteRegions, we can write directly into the ring buffer */
-            PaUtil_GetRingBufferWriteRegions(&pdata->ringbuf, elementsInBuffer, &ptr[0], &sizes[0], &ptr[1], &sizes[1]);
-
-            if (file_playing)  {
-                ring_buffer_size_t itemsReadFromFile;
-                int i,j;
-                int framesread = 0;
-                // we work with frames, = constant across inchans and outchans
-                itemsReadFromFile = 0;
-                for(i = 0; i < 2 && (ptr[i] != NULL); i++) {
-                    // NB ringbuf is sized by m/c frames
-                    int frameswanted = sizes[i];
-
-                    pdata->current_frame = psf_sndTell(pdata->ifd);
-                    // read up to end frame if requested
-                    if(pdata->to_frame < pdata->current_frame + frameswanted)
-                        frameswanted = pdata->to_frame - pdata->current_frame;
-
-                    if(frameswanted > 0){
-                        framesread = psf_sndReadFloatFrames(pdata->ifd,pdata->inbuf,frameswanted);
-                        if(framesread < 0){ // read error!
-                            printf("Error reading soundfile\n");
-                            pdata->flag = 1;
-                            file_playing = 0;
-                            break;  // just out of for loop - need to return instead?
-                        }
-                    }
-                    if(framesread == 0){
-                        /* EOF. EITHER: finish, or rewind if looping playback*/
-                        if(pdata->play_looped){
-                            if(psf_sndSeek(pdata->ifd,pdata->from_frame,PSF_SEEK_SET)){
-                                printf("Error looping soundfile\n");
-                                pdata->flag = 1;
-                                file_playing = 0;
-                                break;
-                            }
-                            // sizes[1] especially may well = 0
-                            if(frameswanted==0)
-                                break;
-                            framesread = psf_sndReadFloatFrames(pdata->ifd,pdata->inbuf,frameswanted);
-                            if(framesread < 0){ // read error!
-                                printf("Error reading soundfile\n");
-                                pdata->flag = 1;
-                                file_playing = 0;
-                                break;
-                            }
-                        }
-                        else {
-                            // we must watch the ring buffer to make sure all data has been rendered,
-                            // over several callback blocks
-                            //printf("End of data. playing = %d:\n", file_playing);
-                            //printf("\telements remaining = %d\n",elementsInBuffer);
-                            if(elementsInBuffer == pdata->ringbuf.bufferSize)  {
-                                pdata->flag = 1;
-                                break;
-                                //return 0;
-                            }
-                        }
-                    }
-                    else {
-                        // ringbuf calcs always relative to outchans
-                        itemsReadFromFile += framesread;
-
-                        // now ready to apply decoding or other processing
-
-                        if(pdata->gain != 1.0){
-                            for(j = 0; j < framesread * pdata->inchans; j++)
-                                pdata->inbuf[j]  = (float)(pdata->inbuf[j] * pdata->gain);
-                        }
-                        if(pdata->do_mapping) {
-                            int k;
-                            float val;
-                            float *buf = ptr[i];
-                            float *pchan;
-                            for(j=0; j < framesread; j++){
-                                for(k=0; k < pdata->outchans; k++){
-                                    pchan = pdata->orderptr[k];
-                                    if(pchan == NULL)
-                                        val = 0.0f;
-                                    else
-                                        val = *(pchan + j * pdata->inchans);
-                                    buf[j*pdata->outchans + k] = val;
-                                }
-                            }
-                        }
-                        else if(pdata->do_decode) {
-                            ABFSAMPLE abfsamp;
-
-                            for(j=0; j < framesread; j++){
-                                // single frame only
-                                pdata->copyfunc(&abfsamp,pdata->inbuf + (j * pdata->inchans));
-                                /* BIG TODO: update funcs to process large frame buffer! */
-                                /* NB: ring buffer is effectively defined as raw bytes */
-#ifdef unix
-                                pdata->decodefunc(&abfsamp,ptr[i] + (j * pdata->outchans * sizeof(float)), 1);
-#else
-                                // suppress VC++ complaint of unknown size
-                                pdata->decodefunc(&abfsamp, (float*)(ptr[i]) + (j * pdata->outchans), 1);
-
-#endif
-                                nElementsProcessed++;
-                            }
-                        }
-                        else {  // inchans = outchans
-                            memcpy(ptr[i],pdata->inbuf,framesread * sizeof(float) * pdata->inchans);
-                            nElementsProcessed += framesread;
-                        }
-                    }
-                }
-                //                assert(nElementsProcessed == itemsReadFromFile);
-                if(framesread)
-                    PaUtil_AdvanceRingBufferWriteIndex(&pdata->ringbuf, itemsReadFromFile);
-
-
-            }
-            else {
-                // this code is activated on Ctrl-C. Can do immediate finish by setting flag
-                //               printf("file done\n");
-                pdata->flag = 1;
-                break;
-            }
-        }
-        //  else {
-        //      printf("ringbuf size = %d, elements remaining = %d, playing = %d\n",pdata->ringbuf.bufferSize,elementsInBuffer,file_playing);
-        //  }
-
-        /* Sleep a little while... */
-        Pa_Sleep(10);
-    }
-    return 0;
-}
-
-
-
-#ifdef unix
-// TODO: unix return type should be void*
-typedef int (*threadfunc)(void*);
-#endif
-#ifdef _WIN32
-typedef unsigned int (__stdcall *threadfunc)(void*);
-#endif
-
-
-/* Start up a new thread for given function */
-static PaError startThread( psfdata* pdata, threadfunc fn )
-{
-    pdata->flag = 1;
-#ifdef _WIN32
-    pdata->hThread = (void*)_beginthreadex(NULL, 0, fn, pdata, 0, NULL);
-    if (pdata->hThread == NULL)
-        return paUnanticipatedHostError;
-    /* Wait for thread to startup */
-    while (pdata->flag) {
-        Pa_Sleep(10);
-    }
-    /* Set file thread to a little higher prio than normal */
-    SetThreadPriority(pdata->hThread, THREAD_PRIORITY_ABOVE_NORMAL);
-#else
-
-#if defined(__APPLE__) || defined(__GNUC__)
-    if(pthread_create(&pdata->hThread,NULL,(void*) fn,pdata))
-        return -1;
-    /* Wait for thread to startup */
-    while (pdata->flag) {
-        Pa_Sleep(10);
-    }
-#endif
-#endif
-
-    return paNoError;
-}
-
-#if 0
-static int stopThread( psfdata* pdata )
-{
-    // RWD: just called when all data played; must be called before StopStream
-    //   pdata->flag = 1;
-    /* Wait for thread to stop */
-    //   while (pdata->flag) {
-    //       Pa_Sleep(10);
-    //   }
-#ifdef _WIN32
-    CloseHandle(pdata->hThread);
-    pdata->hThread = 0;
-#else
-
-#if defined(__APPLE__) || defined(__GNUC__)
-    pthread_cancel(pdata->hThread);
-#endif
-#endif
-    return paNoError;
-}
-#endif
-
-static int paplayCallback(const void *inputBuffer, void *outputBuffer,
-                          unsigned long framesPerBuffer,
-                          const PaStreamCallbackTimeInfo* timeInfo,
-                          PaStreamCallbackFlags statusFlags,
-                          void *userData )
-{
-    psfdata *data = (psfdata *)userData;
-    ring_buffer_size_t sampsAvailable = PaUtil_GetRingBufferReadAvailable(&data->ringbuf) * data->outchans;
-    ring_buffer_size_t sampsToPlay = min(sampsAvailable, (ring_buffer_size_t)(framesPerBuffer * data->outchans));
-    float *out = (float*) outputBuffer;
-    int framesToPlay = sampsToPlay/data->outchans;
-    int played;
-    /* outbuf may be NULL on initial startup */
-    if(out == NULL)
-        return paContinue;
-
-    // if framestoplay < framesPerBuffer, need to clean up the remainder
-    memset(out,0,framesPerBuffer * data->outchans * sizeof(float));
-    played = PaUtil_ReadRingBuffer(&data->ringbuf, out, framesToPlay);
-
-    data->frames_played += played;
-    if(data->flag) {
-        //printf("callback - complete\n");
-        return paComplete;
-    }
-    return paContinue;
-}
-
-
-
-static int MemCallback(const    void *inputBuffer, void *outputBuffer,
-                       unsigned long framesPerBuffer,
-                       const PaStreamCallbackTimeInfo* timeInfo,
-                       PaStreamCallbackFlags statusFlags,
-                       void *userData )
-{
-    psfdata *pdata = (psfdata *)userData;
-
-    float *out = (float*) outputBuffer;
-    unsigned long inSamps,outSamps, inSampPos;
-    unsigned long i;
-    unsigned long framesToPlay = framesPerBuffer;
-
-    /* outbuf may be NULL on initial startup */
-    if(out == NULL)
-        return paContinue;
-
-    // if framesToPlay < framesPerBuffer, need to clean up the remainder
-    memset(out,0,framesPerBuffer * pdata->outchans * sizeof(float));
-    inSamps = pdata->memFramelength * pdata->inchans;
-    outSamps = framesPerBuffer * pdata->inchans;
-    inSampPos = pdata->memFramePos * pdata->inchans;
-
-    if(pdata->play_looped){
-        for(i=0;i < outSamps; i++){
-            pdata->inbuf[i] = pdata->membuf[inSampPos++] * pdata->gain;
-            if(inSampPos == inSamps)
-                inSampPos = 0;
-        }
-    }
-    else {
-        for(i=0;i < outSamps; i++){
-            pdata->inbuf[i] = pdata->membuf[inSampPos++] * pdata->gain;
-            if(inSampPos == inSamps)
-                break;
-        }
-        framesToPlay = i / pdata->inchans;
-        for(; i < outSamps;i++){
-            pdata->inbuf[i] = 0.0;
-        }
-
-    }
-    // write to output
-    // everything now in inbuf
-    if(pdata->do_decode) {
-        ABFSAMPLE abfsamp;
-        int j;
-        for(j=0; j < framesToPlay; j++){
-            pdata->copyfunc(&abfsamp,pdata->inbuf + (j * pdata->inchans));
-            pdata->decodefunc(&abfsamp,out + (j * pdata->outchans), 1);
-        }
-    }
-    else {  // inchans = outchans
-        memcpy(out,pdata->inbuf,framesToPlay * sizeof(float) * pdata->inchans);
-    }
-    pdata->memFramePos = inSampPos / pdata->inchans;
-    pdata->frames_played += framesToPlay;
-    if(framesToPlay < framesPerBuffer)
-        pdata->flag = 1;           // end of stream
-    if(pdata->flag) {
-        //printf("\nnewcallback - complete\n");
-        //fflush(stdout);
-        return paComplete;
-    }
-    return paContinue;
-}
-
-
-
-
-static unsigned NextPowerOf2(unsigned val)
-{
-    val--;
-    val = (val >> 1) | val;
-    val = (val >> 2) | val;
-    val = (val >> 4) | val;
-    val = (val >> 8) | val;
-    val = (val >> 16) | val;
-    return ++val;
-}
-
-
-int show_devices(void);
-
-#define N_BFORMATS (10)
-//static const int bformats[N_BFORMATS] = {2,3,4,5,6,7,8,9,11,16};
-//static const int layout_chans[] = {1,2,4,4,5,5,6,6,8,8,8,8};
-
-enum {FLAG_B = 0, FLAG_BM, FLAG_D, FLAG_G, FLAG_H, FLAG_I, FLAG_L, FLAG_M, FLAG_NFLAGS};
-
-
-void usage(void){
-#ifdef WIN32
-    printf("usage:\n  paplay [-BN][-dN][-gN]-hN][-i][-l][-b[N]|-m[S]][-u][-x] infile [from] [to] \n"
-#else
-           printf("usage:\n  paplay [-BN][-dN][-gN]-hN][-i][-l][-b[N]|-m[S]][-u] infile [from] [to]\n"
-#endif
-                  "       -dN  : use output Device N.\n"
-                  "       -gN  : apply gain factor N to input.\n"
-                  "       -BN  : set memory buffer size to N frames (default: %d).\n"
-                  "                N must be a power of 2 (e.g 4096, 8192, 16384 etc).\n"
-                  "       -hN  : set hardware blocksize to N frames (32 < N <= BN/4).\n"
-                  "               (N recommended to be a power of two size. Default: from soundcard).\n"
-                  "               Where set, buffer sizes are doubled internally for sample rates > 48KHz.\n"
-                  "       -i   : play immediately (do not wait for keypress).\n"
-                  "       -l   : loop file continuously, from start-time to end-time.\n"
-                  "       -m[S]: render using channel map string S.\n"
-                  "                Use -m without parameter for usage.\n"
-                  "       -u   : suppress elapsed time updates\n"
-#ifdef WIN32
-                  "       -x   : Apply WAVE_EX infile channel mask to DS audio stream\n"
-                  "              (ignored if -m or -b used)\n"
-#endif
-                  "       from : set start time (secs) for playback and looping. Default: 0.\n"
-                  "       to   : set end time (secs) for playback and looping. Default: EOF.\n"
-                  "       -b[N]: apply 1st-order B-Format decoding to standard soundfile.\n"
-                  "              (file must have at least 3 channels)\n"
-                  "               B-Format files (.amb) will be decoded automatically.\n"
-                  "               N sets speaker layout to one of the following:\n"
-                  "               1    :  *  mono (= W signal only)\n"
-                  "               2    :  *  stereo (quasi mid/side, = W +- Y)\n"
-                  "               3    :     square\n"
-                  "               4    :  *  quad FL,FR,RL,RR order   (default)\n"
-                  "               5    :     pentagon\n"
-                  "               6    :  *  5.0 surround (WAVEX order)\n"
-                  "               7    :  *  5.1 surround (WAVEX order, silent LFE)\n"
-                  "               8    :     hexagon\n"
-                  "               9    :     octagon 1 (front pair, 45deg)\n"
-                  "              10    :     octagon 2 (front centre speaker)\n"
-                  "              11    :     cube (as 3, low-high interleaved. Csound-compatible.)\n"
-                  "              12    :  *  cube (as 4, low quad followed by high quad).\n"
-                  "              Default decode layout is 4 (quad).\n"
-                  "              NB: no decoding is performed if -m flag used.\n"
-                  "paplay reads PEAK chunk if present to rescale over-range floatsam files.\n\n"
-                  ,RINGBUF_NFRAMES);
-           }
-
-        void mapusage(void)
-        {
-            printf( "  PAPLAY channel map mode -mS: Map arbitrary infile channels to output channels\n\n"
-                    "  Order string S = any combination of characters a-z inclusive.\n"
-                    "  Infile channels are mapped in order as a=1,b=2...z=26\n"
-                    "  (For example: channels in a 4-channel file are represented by the\n"
-                    "    characters abcd; any other character is an error).\n"
-                    "  Characters must be lower case, and may be used more than once.\n"
-                    "  Duplicate characters duplicate the corresponding input channel.\n"
-                    "  The zero character (0) may be used to set a silent channel.\n"
-                    "  A maximum of 26 channels is supported for both input and output.\n"
-                    "  The number of characters in S sets the number of output channels,\n"
-                    "    which must be supported by the selected device.\n"
-                    "  NB: -m cannot be combined with -b (B-Format decoding).\n"
-                    "  If channel mapping is used, a B-format file (AMB) \n"
-                    "    will be rendered without decoding.\n"
-                    );
-        }
-
-    /*******************************************************************/
-    int main(int argc,char **argv)
-    {
-        PaStreamParameters outputParameters;
-#ifdef _WIN32
-        /* portaudio sets default channel masks we can't use; we must do all this to set default mask = 0! */
-        PaWinDirectSoundStreamInfo directSoundStreamInfo;
-        //    PaWinMmeStreamInfo winmmeStreamInfo;
-
-#endif
-        PaDeviceInfo *devinfo = NULL;
-        PaStream *stream = NULL;
-        PaStreamCallback *playcallback = paplayCallback;
-        PaError err = paNoError;
-        psfdata sfdata;
-        PSF_CHPEAK *fpeaks = NULL;
-        PSF_PROPS props;
-        // ABFSAMPLE abfsample;
-        // ABFSAMPLE *abf_frame = NULL;
-        int res,inorder = 1;
-        time_t in_peaktime = 0;
-        MYLONG lpeaktime;
-        int waitkey = 1;
-        //int play_looped = 0;
-        double fromdur = 0.0;
-        double totime  = 0.0;
-        int ifd = -1,from_frame = 0, to_frame = 0;
-        unsigned int i=0;
-        PaDeviceIndex device;
-        long filesize;
-        //long framesize = 0;   // Apr 2010 to be scaled by sample rate
-        unsigned long ringframelen = RINGBUF_NFRAMES;  // length of ring buffer in m/c frames
-        unsigned long frames_per_buffer = 0;
-        unsigned long nFramesToPlay = 0;
-        double gain = 1.0;
-        unsigned int inchans,outchans;
-        int layout = 4; // default, quad decode */
-        fmhcopyfunc copyfunc = NULL;
-        fmhdecodefunc decodefunc = NULL;
-        // vars for chorder facilit
-        char* argstring = NULL;
-        unsigned int rootchar = 'a';
-        unsigned int maxchar = 'z';
-        unsigned int  nchars=0,nzeros = 0;
-        unsigned int max_inchar = 0;
-        unsigned int flags[FLAG_NFLAGS] = {0};
-#ifdef WIN32
-        int do_speakermask = 0;
-        int speakermask = 0;
-#endif
-        int do_updatemessages = 1;
-#ifdef unix
-        struct itimerval tout_val;
-        tout_val.it_interval.tv_sec = 0;
-        tout_val.it_interval.tv_usec = 0;
-        tout_val.it_value.tv_sec = 0;
-        tout_val.it_value.tv_usec = 200000;
-#endif
-
-#ifdef _WIN32
-        HANDLE hTimerQueue;
-        ghEvent = CreateEvent(NULL,TRUE,FALSE,NULL);
-        if(ghEvent==NULL){
-            printf("Failed to start internal timer (1).\n");
-            return 1;
-        }
-        hTimerQueue = CreateTimerQueue();
-        if(hTimerQueue == NULL){
-            printf("Failed to start internal timer (2).\n");
-            return 1;
-        }
-#endif
-        /* CDP version number */
-        if(argc==2 && (stricmp(argv[1],"--version")==0)){
-            printf("3.0.1\n");
-            return 0;
-        }
-
-        signal(SIGINT,playhandler);
-
-        sfdata.inbuf = NULL;
-        sfdata.membuf = NULL;
-        sfdata.memFramelength = 0;
-        sfdata.memFramePos = 0;
-        sfdata.ringbufData = NULL;
-        sfdata.orderptr = NULL;
-        sfdata.do_mapping = 0;
-
-        printf("PAPLAY: play multi-channel soundfile. V3.0.1 (c)  RWD,CDP 2012, 2013\n");
-        file_playing = 0;
-        err = Pa_Initialize();
-        if( err != paNoError ) {
-            printf("Failed to initialize Portaudio.\n");
-            return 1;
-        }
-        device =  Pa_GetDefaultOutputDevice();
-
-        if(argc < 2){
-            usage();
-            show_devices();
-            Pa_Terminate();
-            return 1;
-        }
-
-        while(argv[1][0]=='-'){
-            unsigned long userbuflen;
-            switch(argv[1][1]){
-            case('b'):
-                if(flags[FLAG_B]){
-                    printf("error: multiple -b flags\n");
-                    Pa_Terminate();
-                    return 1;
-                }
-                if(argv[1][2] != '\0'){
-                    layout = atoi(&argv[1][2]);
-                    if(layout < 1 || layout > 12){
-                        fprintf(stderr,"value for -b flag out of range.\n");
-                        Pa_Terminate();
-                        return 1;
-                    }
-                }
-                flags[FLAG_B] = 1;
-                break;
-            case('d'):
-                if(flags[FLAG_D]){
-                    printf("error: multiple -d flags\n");
-                    Pa_Terminate();
-                    return 1;
-                }
-                if(argv[1][2]=='\0'){
-                    printf("-d flag requires parameter\n");
-                    Pa_Terminate();
-                    return 1;
-                }
-                device = atoi(&(argv[1][2]));
-                flags[FLAG_D] = 1;
-                break;
-            case('g'):
-                if(flags[FLAG_G]){
-                    printf("error: multiple -g flags\n");
-                    Pa_Terminate();
-                    return 1;
-                }
-                if(argv[1][2]=='\0'){
-                    printf("-g flag requires parameter\n");
-                    Pa_Terminate();
-                    return 1;
-                }
-                gain = atof(&(argv[1][2]));
-                if(gain <= 0.0){
-                    fprintf(stderr,"gain value must be positive.\n");
-                    Pa_Terminate();
-                    return 1;
-                }
-                flags[FLAG_G] = 1;
-                break;
-            case 'h':
-                if(flags[FLAG_H]){
-                    printf("error: multiple -h flags\n");
-                    Pa_Terminate();
-                    return 1;
-                }
-                if(argv[1][2]=='\0'){
-                    printf("-h flag requires parameter\n");
-                    Pa_Terminate();
-                    return 1;
-                }
-                frames_per_buffer = atoi(&(argv[1][2]));
-                if((frames_per_buffer > 0) && (frames_per_buffer < 32)){
-                    printf("-h value too small: must be at least 32.\n");
-                    Pa_Terminate();
-                    return 1;
-                }
-                flags[FLAG_H] = 1;
-                break;
-            case('i'):
-                if(flags[FLAG_I]){
-                    printf("error: multiple -i flags\n");
-                    Pa_Terminate();
-                    return 1;
-                }
-                flags[FLAG_I] = 1;
-                waitkey = 0;
-                break;
-            case ('l'):
-                flags[FLAG_L] = 1;
-                break;
-            case 'm':
-                if(flags[FLAG_M]){
-                    printf("error: multiple -m flags\n");
-                    Pa_Terminate();
-                    return 1;
-                }
-                if(argv[1][2]=='\0'){
-                    mapusage();
-                    Pa_Terminate();
-                    return 1;
-                }
-                argstring = &argv[1][2];
-                nchars = strlen(argstring);
-                if(nchars > 26) {
-                    printf("error: -m order list too long.\n");
-                    Pa_Terminate();
-                    return 1;
-                }
-                if(nchars < 1){
-                    printf("error: -m must specify at least one channel.\n");
-                    Pa_Terminate();
-                    return 1;
-
-                }
-                flags[FLAG_M] = 1;
-                break;
-
-                // RWD Feb 2011: need to support dummy -u flag for compatibility with pvplay
-                // will we actually need to implement it?
-            case 'u':
-                do_updatemessages = 0;
-                break;
-#ifdef WIN32
-            case 'x':
-                do_speakermask = 1;
-                break;
-#endif
-            case 'B':
-                if(flags[FLAG_BM]){
-                    printf("error: multiple -B flags\n");
-                    Pa_Terminate();
-                    return 1;
-                }
-                if(argv[1][2]=='\0'){
-                    printf("-B flag requires parameter\n");
-                    Pa_Terminate();
-                    return 1;
-                }
-
-                ringframelen = atoi(&(argv[1][2]));
-                if(ringframelen <= 1024){
-                    printf("-B: framesize value must be >=1024!n");
-                    Pa_Terminate();
-                    return 1;
-                }
-                userbuflen = NextPowerOf2(ringframelen);
-                if(userbuflen != ringframelen){
-                    printf("-B: framesize value must be power of 2 size\n");
-                    Pa_Terminate();
-                    return 1;
-                }
-                flags[FLAG_BM] = 1;
-                break;
-            default:
-                printf("unrecognised flag option\n");
-                Pa_Terminate();
-                return 1;
-            }
-            argv++;  argc--;
-        }
-        // this just cheks flag usage. We render amb files undecoded, if using channel mapping
-        if(flags[FLAG_B] && flags[FLAG_M]){
-            printf("Sorry: cannot use -m with -b\n");
-            Pa_Terminate();
-            return 1;
-        }
-        if(frames_per_buffer > ringframelen/4){
-            printf(" hardware (-h) framesize %lu too large for file buffer (-B) size %lu\n",
-                   frames_per_buffer,ringframelen);
-            Pa_Terminate();
-            return 1;
-        }
-
-        if(argc < 2 || argc > 4){
-            usage();
-            show_devices();
-            Pa_Terminate();
-            return 1;
-        }
-
-        if(argc>=3){
-            fromdur = atof(argv[2]);
-            if(fromdur < 0.0){
-                printf("Error: start position must be positive\n");
-                Pa_Terminate();
-                return 1;
-            }
-        }
-        if(argc==4){
-            totime = atof(argv[3]);
-            if(totime <= fromdur){
-                printf("Error: end time must be after from time\n");
-                Pa_Terminate();
-                return 1;
-            }
-
-
-        }
-        if(psf_init()){
-            printf("Error initializing psfsys\n");
-            goto error;
-        }
-        /* allow auto rescaling of overrange floats via PEAK chunk */
-        ifd = psf_sndOpen(argv[1],&props,1);
-        if(ifd < 0){
-            printf("unable to open soundfile %s\n",argv[1]);
-            goto error;
-        }
-        filesize = psf_sndSize(ifd);
-        if(filesize ==0){
-            printf("Soundfile is empty!\n");
-            goto error;
-        }
-
-#if WIN32
-        if(props.format == PSF_WAVE_EX){
-            if(do_speakermask){
-                if(flags[FLAG_B] || flags[FLAG_M]){
-                    printf("-x flag ignored if -B or -m used\n");
-                }
-                else {
-                    int mask = psf_speakermask(ifd);
-                    if(mask < 0){
-                        printf("could not read speaker mask. Using 0\n");
-                        speakermask = 0;
-                    }
-                    else
-                        speakermask = mask;
-                }
-            }
-        }
-#endif
-        from_frame = (long)(fromdur * props.srate);
-        if(from_frame >= filesize){
-            printf("Error: start is beyond end of file\n");
-            goto error;
-        }
-
-        nFramesToPlay = filesize - from_frame;
-        to_frame = filesize -1;
-        if(totime > 0.0){
-            to_frame = (long)(totime * props.srate);
-            if(to_frame >= filesize){
-                printf("Error: end time is beyond end of file\n");
-                goto error;
-            }
-            //printf("fromframe = %d, toframe = %d\n",(int)from_frame,(int) to_frame);
-            if(to_frame <= from_frame){
-                printf("end time must be later than from time\n");
-                goto error;
-            }
-            nFramesToPlay = to_frame - from_frame;
-            //printf("playing %d frames\n",(int) nFramesToPlay);
-        }
-
-        outchans = inchans = props.chans;
-        /* if using order string, outchans may change arbitrarily;
-           later on we set inchans to outchans,
-           to emulate a plain outchans-sized file
-        */
-        if(flags[FLAG_M]){
-            outchans = nchars;
-        }
-
-        if(props.chformat==MC_BFMT){
-            if(flags[FLAG_M]){
-                printf("-m specified: not decoding B-Format file.\n");
-                flags[FLAG_B] = 0;
-            }
-            else
-                flags[FLAG_B] = 1;
-        }
-
-        // we will not have both do_channel_mapping and do_decode toigether
-        if(flags[FLAG_B] == 1){
-            if(inchans > 4) {
-                inorder = 2;
-                printf("%u-channel input: performing 2nd-order decode.\n",inchans);
-            }
-            switch(inchans){
-            case 3:
-                copyfunc = fmhcopy_3;
-                break;
-            case 4:
-                copyfunc = fmhcopy_4;
-                break;
-            case 5:
-                copyfunc = fmhcopy_5;
-                break;
-            case 6:
-                copyfunc = fmhcopy_6;
-                break;
-            case 9:
-                copyfunc = fmhcopy_9;
-                break;
-            case 11:
-                copyfunc = fmhcopy_11;
-                break;
-            case 16:
-                copyfunc = fmhcopy_16;
-                break;
-            default:
-                fprintf(stderr,"unsupported channel count (%u) for B-format file.\n",inchans);
-                return 1;
-            }
-
-            switch(layout-1){
-            case FM_MONO:
-                printf("Decoding to Mono\n");
-                decodefunc = fm_i1_mono;
-                outchans = 1;
-                break;
-            case FM_STEREO:
-                printf("Decoding to Stereo\n");
-                decodefunc = fm_i1_stereo;
-                outchans = 2;
-                break;
-            case FM_SQUARE:
-                printf("Decoding to Square\n");
-                if(inorder == 1)
-                    decodefunc = fm_i1_square;
-                else
-                    decodefunc = fm_i2_square;
-                outchans = 4;
-                break;
-            case FM_PENT:
-                printf("Decoding to pentagon\n");
-                if(inorder==1)
-                    decodefunc = fm_i1_pent;
-                else
-                    decodefunc = fm_i2_pent;
-                outchans = 5;
-                break;
-            case DM_5_0:
-                printf("Decoding to 5.0 surround (David Moore)\n");
-                if(inorder==1)
-                    decodefunc = dm_i1_surr;
-                else
-                    decodefunc = dm_i2_surr;
-                outchans = 5;
-                break;
-            case DM_5_1:
-                printf("Decoding to  5.1 surround (David Moore)\n");
-                if(inorder==1)
-                    decodefunc = dm_i1_surr6;
-                else
-                    decodefunc = dm_i2_surr6;
-                outchans = 6;
-                break;
-            case FM_HEX:
-                printf("Decoding to Hexagon\n");
-                if(inorder==1)
-                    decodefunc = fm_i1_hex;
-                else
-                    decodefunc = fm_i2_hex;
-                outchans = 6;
-                break;
-            case FM_OCT1:
-                printf("Decoding to Octagon 1\n");
-                if(inorder==1)
-                    decodefunc = fm_i1_oct1;
-                else
-                    decodefunc = fm_i2_oct1;
-                outchans = 8;
-                break;
-            case FM_OCT2:
-                printf("Decoding to Octagon 2\n");
-                if(inorder==1)
-                    decodefunc = fm_i1_oct2;
-                else
-                    decodefunc = fm_i2_oct2;
-                outchans = 8;
-                break;
-            case FM_CUBE:
-                printf("Decoding to Cube (FM interleaved)\n");
-                if(inorder==1)
-                    decodefunc = fm_i1_cube;
-                else
-                    decodefunc = fm_i2_cube;
-                outchans = 8;
-                break;
-            case FM_QUADCUBE:
-                printf("Decoding to Octagon 1 (WAVEX order)\n");
-                if(inorder==1)
-                    decodefunc = fm_i1_cubex;
-                else
-                    decodefunc = fm_i2_cubex;
-                outchans = 8;
-                break;
-            default:
-                //quad
-                printf("Decoding to quad surround (WAVEX order)\n");
-                if(inorder == 1)
-                    decodefunc = fm_i1_quad;
-                else
-                    decodefunc = fm_i2_quad;
-                outchans = 4;
-                break;
-            }
-        }
-
-
-
-        printf("opened %s: %ld frames, %u channels\n",argv[1],filesize,inchans);
-        fpeaks = (PSF_CHPEAK *) calloc(inchans,sizeof(PSF_CHPEAK));
-        if(fpeaks==NULL){
-            puts("no memory for PEAK data\n");
-            goto error;
-        }
-        //lpeaktime = (int) in_peaktime;
-        res = psf_sndReadPeaks(ifd,fpeaks,(MYLONG *) &lpeaktime);
-        if(res==0) {
-            printf("no PEAK data in this soundfile\n");
-        }
-        else if(res < 0){
-            printf("Error reading PEAK data\n");
-            goto error;
-        }
-        else{
-            in_peaktime = (time_t) lpeaktime;
-            printf("PEAK data:\ncreation time: %s",ctime(&in_peaktime));
-
-            for(i=0;i < inchans;i++){
-                printf("CH %d: %.4f at frame %u: \t%.4f secs\n",
-                       i,fpeaks[i].val,fpeaks[i].pos,(double)(fpeaks[i].pos / (double) props.srate));
-            }
-        }
-        // if doing channel map,  precompute into mem buffer
-        if(nFramesToPlay <= ringframelen){
-            sfdata.membuf =  (float *) PaUtil_AllocateMemory(nFramesToPlay * sizeof(float) * /*inchans*/ outchans);
-            if( sfdata.membuf == NULL )   {
-                puts("Could not allocate memory play buffer.\n");
-                goto error;
-            }
-            sfdata.memFramelength = nFramesToPlay;
-            sfdata.memFramePos = 0;
-            playcallback = MemCallback;
-            printf("RAM block size =  %lu\n",nFramesToPlay);
-
-        }
-        else {
-            // set up ring buffer  NB must be power of 2 size
-            if(props.srate > 48000)
-                ringframelen <<= 1;
-
-            // NB ring buffer sized for decoded data, hence outchans here; otherwise inchans = outchans
-            sfdata.ringbufData = (float *) PaUtil_AllocateMemory( ringframelen * sizeof(float) * outchans); /* From now on, recordedSamples is initialised. */
-            if( sfdata.ringbufData == NULL )   {
-                puts("Could not allocate play buffer.\n");
-                goto error;
-            }
-
-            // number of elements has to be a power of two, so each element has to be a full m/c frame
-            if (PaUtil_InitializeRingBuffer(&sfdata.ringbuf, sizeof(float) * outchans, ringframelen , sfdata.ringbufData) < 0) {
-                puts("Could not initialise play buffer.\n");
-                goto error;
-            }
-            printf("File buffer size = %ld\n",ringframelen);
-
-        }
-
-        // worst case, ring buffer is empty! So need enough space
-        // NB inchans may well be > outchans
-        sfdata.inbuf = (float *) PaUtil_AllocateMemory(ringframelen * sizeof(float) * inchans);
-        if(sfdata.inbuf==NULL){
-            puts("No memory for read buffer\n");
-            goto error;
-        }
-        sfdata.inbuflen = ringframelen;
-
-        if(flags[FLAG_M]) {
-            max_inchar = rootchar;
-
-            sfdata.orderptr = malloc(outchans * sizeof(float*));
-            for(i=0;i < nchars;i++){
-                unsigned int thischar = argstring[i];
-                //          printf("reading char %c (%d)\n",thischar,thischar);
-                unsigned int chindex;
-                if(thischar != '0' && (thischar < rootchar || thischar > maxchar)){
-                    printf("illegal character in order string: %c\n",thischar);
-                    goto error;
-                }
-                if(thischar =='0'){
-                    //            printf("setting channel %d to zero.\n",i);
-                    sfdata.orderptr[i] = NULL;
-                    nzeros++;
-                }
-                else{
-                    if(thischar > max_inchar)
-                        max_inchar = thischar;
-                    chindex = thischar - rootchar;
-                    sfdata.orderptr[i] = sfdata.inbuf + chindex;
-                }
-            }
-            if(nzeros==nchars)
-                printf("Warning: -m order string is all zeros - a silent file will be made!\n");
-            else{
-                /* count inclusively! */
-                if(props.chans < (int)(max_inchar - rootchar + 1)){
-                    printf("File has %d channels; order string defines non-existent channels.\n",props.chans);
-                    printf("For this file, maximum character is %c\n",rootchar + props.chans -1);
-                    goto error;
-                }
-            }
-            outchans = nchars;
-            sfdata.do_mapping = 1;
-
-            // final alloc when infile is read, below
-        }
-
-        if(props.srate > 48000) {
-            frames_per_buffer *= 2;
-            if(frames_per_buffer)
-                printf("Audio buffer size = %lu\n",frames_per_buffer);
-        }
-        sfdata.ifd          = ifd;
-        sfdata.inchans      = inchans;
-        sfdata.outchans     = outchans;
-        sfdata.frames_played  = 0;
-        sfdata.gain         = gain;
-        sfdata.copyfunc     = copyfunc;
-        sfdata.decodefunc   = decodefunc;
-        sfdata.do_decode    = flags[FLAG_B];
-        sfdata.from_frame   = from_frame;
-        if(to_frame > 0)
-            sfdata.to_frame = to_frame;
-        else {
-            sfdata.to_frame = 0;
-        }
-        sfdata.current_frame = 0;
-        sfdata.play_looped  = flags[FLAG_L];
-
-        sfdata.srate = props.srate;
-
-        sfdata.finished = 0;
-        g_pdata = &sfdata;
-
-#ifdef DEBUG
-        {
-            PSF_PROPS outprops = props;
-            outprops.chans = outchans;
-            sfdata.ofd = psf_sndCreate("debug.wav",&outprops,0,0,PSF_CREATE_RDWR);
-            if(sfdata.ofd == -1){
-                printf("Sorry - unable to create debug outfile\n");
-            }
-        }
-#endif
-
-        outputParameters.device = device;   /*Pa_GetDefaultOutputDevice(); */ /* default output device */
-        outputParameters.channelCount = outchans;
-        outputParameters.sampleFormat = paFloat32;             /* 32 bit floating point output */
-        outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
-        outputParameters.hostApiSpecificStreamInfo = NULL;
-
-        devinfo = (PaDeviceInfo *) Pa_GetDeviceInfo(device);
-#if defined MAC || defined unix
-        if(devinfo){
-            printf("Using device %d: %s\n",device,devinfo->name);
-        }
-#endif
-
-#ifdef _WIN32
-
-#ifdef NOTDEF
-        if(devinfo){
-            if(apiinfo->type  == paMME ){
-                winmmeStreamInfo.size = sizeof(winmmeStreamInfo);
-                winmmeStreamInfo.hostApiType = paMME;
-                winmmeStreamInfo.version = 1;
-                winmmeStreamInfo.flags = paWinMmeUseChannelMask;
-                winmmeStreamInfo.channelMask = 0;
-                outputParameters.hostApiSpecificStreamInfo = &winmmeStreamInfo;
-# ifdef _DEBUG
-                printf("WIN DEBUG: WinMME device channel mask set to 0.\n");
-# endif
-            }
-        }
-#endif
-
-        if(devinfo) {
-            int apitype = devinfo->hostApi;
-            const PaHostApiInfo *apiinfo = Pa_GetHostApiInfo(apitype);
-            //  if(do_speakermask)
-            //      printf("Using file channel format %d\n",speakermask);
-            printf("Using device %d: %s ",device,devinfo->name);
-
-            if(apiinfo->type  == paDirectSound ){
-                printf("(DS)\n");
-                /* set this IF we are using Dsound device. */
-                directSoundStreamInfo.size = sizeof(PaWinDirectSoundStreamInfo);
-                directSoundStreamInfo.hostApiType = paDirectSound;
-                directSoundStreamInfo.version = 2;
-                directSoundStreamInfo.flags = paWinDirectSoundUseChannelMask;
-                directSoundStreamInfo.channelMask = speakermask;
-                outputParameters.hostApiSpecificStreamInfo = &directSoundStreamInfo;
-            }
-            else if(apiinfo->type == paASIO)
-                printf("(ASIO)\n");
-            // else
-            //    printf("API unknown!);
-            else
-                printf("\n");
-        }
-#endif
-
-        err = Pa_OpenStream(
-                            &stream,
-                            NULL,  /* No input */
-                            &outputParameters, /* As above. */
-                            props.srate,
-                            frames_per_buffer,
-                            paClipOff,      /* we won't output out of range samples so don't bother clipping them */
-                            playcallback,
-                            &sfdata );
-
-
-
-        if( err != paNoError ) {
-            printf("Unable to open output device for %u-channel file.\n",outchans);
-            goto error;
-        }
-        err =  Pa_SetStreamFinishedCallback( stream, finishedCallback );
-        if( err != paNoError ) {
-            printf("Unable to set finish callback\n");
-            goto error;
-        }
-        sfdata.stream = stream;
-
-        file_playing = 1; // need this for c/l test below!
-
-        if(waitkey){
-            printf("Press any key to start:\n");
-            while (!kbhit()){
-                if(!file_playing)        //check for instant CTRL-C
-                    goto error;
-            };
-#ifdef _WIN32
-            if(kbhit())
-                _getch();                        //prevent display of char
-#endif
-        }
-
-        // should this go in read thread func too?
-        if(from_frame > 0){
-            if(psf_sndSeek(sfdata.ifd,from_frame,PSF_SEEK_SET))     {
-                printf("Error setting start position\n");
-                goto error;
-            }
-            sfdata.current_frame = from_frame;
-        }
-
-        /* if small block, read it all into memory
-         * if doing channel map, do it here rather in callback; we must set inchans to outchans */
-        if(sfdata.memFramelength > 0){
-            if(flags[FLAG_M]) {
-                unsigned int i,j;
-                int k;
-
-                float **orderptr = NULL;
-                float val;
-                float *tempframebuf = malloc(sizeof(float) * sfdata.memFramelength * props.chans);
-                nzeros = 0;
-                if(tempframebuf==NULL){
-                    puts("no memory for audio data\n");
-                    goto error;
-                }
-                orderptr = malloc(outchans * sizeof(float*));
-                for(i=0;i < nchars;i++){
-                    unsigned int thischar = argstring[i];
-                    unsigned int chindex;
-                    if(thischar != '0' && (thischar < rootchar || thischar > maxchar)){
-                        printf("illegal character in order string: %c\n",thischar);
-                        goto error;
-                    }
-                    if(thischar =='0'){
-                        orderptr[i] = NULL;
-                        nzeros++;
-                    }
-                    else{
-                        if(thischar > max_inchar)
-                            max_inchar = thischar;
-                        chindex = thischar - rootchar;
-                        orderptr[i] = tempframebuf + chindex;
-                    }
-                }
-                if(nzeros==nchars)
-                    printf("Warning: -m order string is all zeros - a silent file will be made!\n");
-                else {
-                    /* count inclusively! */
-                    if(props.chans < (int)(max_inchar - rootchar + 1)){
-                        printf("File has %d channels; order string defines non-existent channels.\n",props.chans);
-                        printf("For this file, maximum character is %c\n",rootchar + props.chans -1);
-                        goto error;
-                    }
-                }
-                if(psf_sndReadFloatFrames(sfdata.ifd,tempframebuf,sfdata.memFramelength) != sfdata.memFramelength) {
-                    printf("Error reading soundfile into memory\n");
-                    goto error;
-                }
-
-
-                for(j=0;j < sfdata.memFramelength; j++) {
-                    for(k = 0; k < sfdata.outchans; k++) {
-                        // find requested input chan
-                        float *pchan = orderptr[k];
-                        if(pchan == NULL)
-                            val = 0.0f;
-                        else
-                            val = *(pchan + j * props.chans);
-                        // and write to stream memory buffer
-                        sfdata.membuf[j * sfdata.outchans + k] = val;
-                    }
-                }
-                // done with these now
-                free(tempframebuf);
-                free(orderptr);
-                sfdata.inchans = sfdata.outchans;
-            }
-            else {  // no fancy stuff, just read straight into mem buffer
-                if(psf_sndReadFloatFrames(sfdata.ifd,sfdata.membuf,sfdata.memFramelength)
-                   != sfdata.memFramelength) {
-                    printf("Error reading soundfile into memory\n");
-                    goto error;
-                }
-            }
-        }
-
-        // set up timer
-#ifdef unix
-        if(do_updatemessages) {
-            setitimer(ITIMER_REAL, &tout_val,0);
-            signal(SIGALRM,alarm_wakeup); /* set the Alarm signal capture */
-        }
-#endif
-
-#ifdef _WIN32
-        // not sure of the best position for this
-        //if(!CreateTimerQueueTimer(&sfdata.hTimer, hTimerQueue,
-        //    (WAITORTIMERCALLBACK) TimerCallback, &sfdata,250,250,0)) {
-        //    printf("failed to start timer (3).\n");
-        //    return 1;
-        // }
-#endif
-        /* Start the file reading thread */
-        sfdata.startTime = Pa_GetStreamTime(stream );
-
-        if(sfdata.memFramelength == 0){
-
-            err = startThread(&sfdata, threadFunctionReadFromRawFile);
-            if( err != paNoError ) goto error;
-        }
-        else {
-            sfdata.flag = 0;
-        }
-
-
-#ifdef _WIN32
-        if(do_updatemessages){
-            if(!CreateTimerQueueTimer(&sfdata.hTimer, hTimerQueue,
-                                      (WAITORTIMERCALLBACK) TimerCallback, &sfdata,200,200,0)) {
-                printf("failed to start timer (3).\n");
-                return 1;
-            }
-        }
-#endif
-        err = Pa_StartStream( stream );
-        if( err != paNoError )
-            goto error;
-
-        printf("Hit CTRL-C to stop.\n");
-        while(!sfdata.finished && file_playing){
-            // nothing to do!
-            Pa_Sleep(10);
-        }
-        // note to programmer: any bug in audio buffer arithmetic will likely cause crash here!
-        err = Pa_StopStream( stream );
-        if( err != paNoError ) {
-            printf("Error stopping stream\n");
-            goto error;
-        }
-
-        /*  read thread should exit always, no need to Stop it here */
-
-
-        err = Pa_CloseStream( stream );
-        if( err != paNoError ) {
-            printf("Error closing stream\n");
-            goto error;
-        }
-        printf("\r%.2f secs\n",(float)(sfdata.lastTime));
-        fflush(stdout);
-        printf("Playback finished.\n");
-    error:
-        Pa_Terminate();
-
-#ifdef _WIN32
-        CloseHandle(ghEvent);
-        DeleteTimerQueue(hTimerQueue);
-#endif
-        if( sfdata.ringbufData )
-            PaUtil_FreeMemory(sfdata.ringbufData);
-        if(sfdata.inbuf)
-            PaUtil_FreeMemory(sfdata.inbuf);
-        if(sfdata.membuf)
-            PaUtil_FreeMemory(sfdata.membuf);
-        if(sfdata.orderptr)
-            free(sfdata.orderptr);
-        if(ifd >=0)
-            psf_sndClose(ifd);
-        if(fpeaks)
-            free(fpeaks);
-#ifdef DEBUG
-        if(sfdata.ofd >=0)
-            psf_sndClose(sfdata.ofd);
-#endif
-        psf_finish();
-
-        return 0;
-    }
-
-    int show_devices(void)
-    {
-        PaDeviceIndex numDevices,p;
-        const    PaDeviceInfo *pdi;
-#ifdef _WIN32
-        const PaHostApiInfo* api_info;
-        const char *apiname;
-#endif
-        PaError  err;
-        int nOutputDevices = 0;
-
-#ifdef USE_ASIO
-        printf("For ASIO multi-channel, you may need to select the highest device no.\n");
-#endif
-        /*Pa_Initialize();*/
-        numDevices =  Pa_GetDeviceCount();
-        if( numDevices < 0 )
-            {
-                printf("ERROR: Pa_CountDevices returned 0x%x\n", numDevices );
-                err = numDevices;
-                return err;
-            }
-#ifdef WIN32
-        printf("Driver\tDevice\tInput\tOutput\tName\n");
-#else
-        printf("Device\tInput\tOutput\tName\n");
-#endif
-        //printf("Number of devices = %d\n", numDevices );
-        for( p = 0; p < numDevices; p++ )
-            {
-                pdi = Pa_GetDeviceInfo( p );
-
-                //#ifdef _WIN32
-                //                      /*RWD: skip, info on inputs */
-                //                      if(pdi->maxOutputChannels == 0)
-                //                              continue;
-                //#endif
-                nOutputDevices++;
-
-                if( p == Pa_GetDefaultOutputDevice() )
-                    printf("*");
-                else
-                    printf(" ");
-#ifdef WIN32
-                api_info = Pa_GetHostApiInfo(pdi->hostApi);
-                apiname = api_info->name;
-                if(strcmp(apiname,"Windows DirectSound")==0)
-                    apiname = "DS ";
-                printf("(%s)\t%d\t%d\t%d\t%s\n",apiname,p,
-                       pdi->maxInputChannels,
-                       pdi->maxOutputChannels,
-                       pdi->name);
-#else
-                printf("%d\t%d\t%d\t%s\n",p,
-                       pdi->maxInputChannels,
-                       pdi->maxOutputChannels,
-                       pdi->name);
-
-
-#endif
-            }
-        /*Pa_Terminate();*/
-        return 0;
-    }

dev/externals/paprogs/paplay/paplay.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1983-2013 Richard Dobson and Composers Desktop Project Ltd
+ * Copyright (c) 1983-2022 Richard Dobson and Composers Desktop Project Ltd
  * http://people.bath.ac.uk/masrwd
  * http://www.composersdesktop.com
  * This file is part of the CDP System.
@@ -56,7 +56,7 @@
 
 #include <signal.h>
 
-#ifdef unix
+#if defined unix || defined linux
 #include <aaio.h>
 #endif
 
@@ -1130,7 +1130,7 @@ void usage(void){
             printf("PEAK data:\ncreation time: %s",ctime(&in_peaktime));
 
             for(i=0;i < inchans;i++){
-                printf("CH %d: %.4f at frame %lu: \t%.4f secs\n",
+                printf("CH %d: %.4f at frame %u: \t%.4f secs\n",
                        i,fpeaks[i].val,fpeaks[i].pos,(double)(fpeaks[i].pos / (double) props.srate));
             }
         }