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871f486848
2. Update credits displayed in the "About" window. 3. Working on audio input via the QAudio library. Not yet finished! git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@3513 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
389 lines
10 KiB
C++
389 lines
10 KiB
C++
#ifndef QAUDIO_INPUT
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#include "soundin.h"
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#include <stdexcept>
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#define FRAMES_PER_BUFFER 1024
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#define NSMAX 6827
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#define NTMAX 120
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extern "C" {
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#include <portaudio.h>
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extern struct {
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float ss[184*NSMAX]; //This is "common/jt9com/..." in fortran
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float savg[NSMAX];
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// float c0[2*NTMAX*1500];
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short int d2[NTMAX*12000];
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int nutc; //UTC as integer, HHMM
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int ndiskdat; //1 ==> data read from *.wav file
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int ntrperiod; //TR period (seconds)
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int mousefqso; //User-selected QSO freq (kHz)
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int newdat; //1 ==> new data, must do long FFT
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int npts8; //npts in c0() array
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int nfa; //Low decode limit (Hz)
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int nfb; //High decode limit (Hz)
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int ntol; //+/- decoding range around fQSO (Hz)
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int kin;
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int nzhsym;
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int nsave;
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int nagain;
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int ndepth;
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int ntxmode;
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int nmode;
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char datetime[20];
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} jt9com_;
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}
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//--------------------------------------------------------------- a2dCallback
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int a2dCallback( const void *inputBuffer, void * /* outputBuffer */,
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unsigned long framesToProcess,
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const PaStreamCallbackTimeInfo * /* timeInfo */,
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PaStreamCallbackFlags statusFlags,
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void *userData )
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// This routine called by the PortAudio engine when samples are available.
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// It may be called at interrupt level, so don't do anything
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// that could mess up the system like calling malloc() or free().
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{
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SoundInput::CallbackData * udata = reinterpret_cast<SoundInput::CallbackData *>(userData);
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int nbytes,k;
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udata->ncall++;
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if( (statusFlags&paInputOverflow) != 0) {
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qDebug() << "Input Overflow in a2dCallback";
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}
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if(udata->bzero) { //Start of a new Rx sequence
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udata->kin=0; //Reset buffer pointer
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udata->bzero=false;
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}
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nbytes=2*framesToProcess; //Bytes per frame
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k=udata->kin;
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if(udata->monitoring) {
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memcpy(&jt9com_.d2[k],inputBuffer,nbytes); //Copy all samples to d2
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}
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udata->kin += framesToProcess;
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jt9com_.kin=udata->kin;
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return paContinue;
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}
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SoundInput::SoundInput()
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: m_inStream(0),
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m_dataSinkBusy(false),
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m_TRperiod(60),
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m_nsps(6912),
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m_monitoring(false),
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m_intervalTimer(this)
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{
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connect(&m_intervalTimer, SIGNAL(timeout()), this,SLOT(intervalNotify()));
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}
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void SoundInput::start(qint32 device)
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{
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stop();
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//---------------------------------------------------- Soundcard Setup
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PaError paerr;
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PaStreamParameters inParam;
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m_callbackData.kin=0; //Buffer pointer
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m_callbackData.ncall=0; //Number of callbacks
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m_callbackData.bzero=false; //Flag to request reset of kin
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m_callbackData.monitoring=m_monitoring;
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inParam.device=device; //### Input Device Number ###
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inParam.channelCount=1; //Number of analog channels
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inParam.sampleFormat=paInt16; //Get i*2 from Portaudio
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inParam.suggestedLatency=0.05;
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inParam.hostApiSpecificStreamInfo=NULL;
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paerr=Pa_IsFormatSupported(&inParam,NULL,12000.0);
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if(paerr<0) {
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emit error("PortAudio says requested soundcard format not supported.");
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// return;
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}
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qDebug() << "";
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paerr=Pa_OpenStream(&m_inStream, //Input stream
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&inParam, //Input parameters
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NULL, //No output parameters
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12000.0, //Sample rate
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FRAMES_PER_BUFFER, //Frames per buffer
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// paClipOff+paDitherOff, //No clipping or dithering
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paClipOff, //No clipping
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a2dCallback, //Input callback routine
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&m_callbackData); //userdata
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paerr=Pa_StartStream(m_inStream);
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if(paerr<0) {
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emit error("Failed to start audio input stream.");
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return;
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}
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m_ntr0 = 99; // initial value higher than any expected
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m_nBusy = 0;
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m_intervalTimer.start(100);
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m_ms0 = QDateTime::currentMSecsSinceEpoch();
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m_nsps0 = 0;
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}
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void SoundInput::intervalNotify()
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{
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m_callbackData.monitoring=m_monitoring;
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qint64 ms = QDateTime::currentMSecsSinceEpoch();
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m_SamFacIn=1.0;
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if(m_callbackData.ncall>100) {
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m_SamFacIn=m_callbackData.ncall*FRAMES_PER_BUFFER*1000.0/(12000.0*(ms-m_ms0-50));
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}
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ms=ms % 86400000;
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int nsec = ms/1000; // Time according to this computer
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int ntr = nsec % m_TRperiod;
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// Reset buffer pointer and symbol number at start of minute
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if(ntr < m_ntr0 or !m_monitoring or m_nsps!=m_nsps0) {
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m_nstep0=0;
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m_nsps0=m_nsps;
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m_callbackData.bzero=true;
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}
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int k=m_callbackData.kin;
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if(m_monitoring) {
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int kstep=m_nsps/2;
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// m_step=k/kstep;
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m_step=(k-1)/kstep;
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if(m_step != m_nstep0) {
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if(m_dataSinkBusy) {
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m_nBusy++;
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} else {
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// m_dataSinkBusy=true;
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// emit readyForFFT(k); //Signal to compute new FFTs
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emit readyForFFT(k-1); //Signal to compute new FFTs
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}
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m_nstep0=m_step;
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}
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}
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m_ntr0=ntr;
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}
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SoundInput::~SoundInput()
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{
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if (m_inStream)
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{
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Pa_CloseStream(m_inStream), m_inStream = 0;
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}
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}
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void SoundInput::stop()
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{
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m_intervalTimer.stop();
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if (m_inStream)
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{
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Pa_StopStream(m_inStream);
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Pa_CloseStream(m_inStream), m_inStream = 0;
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}
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}
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void SoundInput::setMonitoring(bool b)
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{
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m_monitoring = b;
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}
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#else // QAUDIO_INPUT
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#include "soundin.h"
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#include <stdexcept>
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#define FRAMES_PER_BUFFER 1024
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#define NSMAX 6827
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#define NTMAX 120
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extern "C" {
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#include <portaudio.h>
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extern struct {
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float ss[184*NSMAX]; //This is "common/jt9com/..." in fortran
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float savg[NSMAX];
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// float c0[2*NTMAX*1500];
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short int d2[NTMAX*12000];
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int nutc; //UTC as integer, HHMM
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int ndiskdat; //1 ==> data read from *.wav file
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int ntrperiod; //TR period (seconds)
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int mousefqso; //User-selected QSO freq (kHz)
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int newdat; //1 ==> new data, must do long FFT
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int npts8; //npts in c0() array
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int nfa; //Low decode limit (Hz)
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int nfb; //High decode limit (Hz)
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int ntol; //+/- decoding range around fQSO (Hz)
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int kin;
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int nzhsym;
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int nsave;
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int nagain;
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int ndepth;
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int ntxmode;
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int nmode;
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char datetime[20];
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} jt9com_;
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}
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QString reportAudioError(QAudio::Error audioError)
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{
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switch (audioError) {
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case QAudio::NoError: Q_ASSERT(false);
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case QAudio::OpenError: return QObject::tr(
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"An error opening the audio device has occurred.");
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case QAudio::IOError: return QObject::tr(
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"An error occurred during read/write of audio device.");
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case QAudio::UnderrunError: return QObject::tr(
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"Audio data not being fed to the audio device fast enough.");
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case QAudio::FatalError: return QObject::tr(
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"Non-recoverable error, audio device not usable at this time.");
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}
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Q_ASSERT(false);
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return "";
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}
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SoundInput::SoundInput()
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: m_dataSinkBusy(false),
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m_TRperiod(60),
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m_nsps(6912),
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m_monitoring(false),
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m_intervalTimer(this)
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{
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// qDebug() << "A";
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connect(&m_intervalTimer, SIGNAL(timeout()), this,SLOT(intervalNotify()));
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}
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void SoundInput::start(qint32 device)
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{
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stop();
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//---------------------------------------------------- Soundcard Setup
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m_callbackData.kin=0; //Buffer pointer
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m_callbackData.ncall=0; //Number of callbacks
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m_callbackData.bzero=false; //Flag to request reset of kin
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m_callbackData.monitoring=m_monitoring;
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//### Temporary: hardwired device selection
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QAudioDeviceInfo DeviceInfo;
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QList<QAudioDeviceInfo> m_InDevices;
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QAudioDeviceInfo m_InDeviceInfo;
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m_InDevices = DeviceInfo.availableDevices(QAudio::AudioInput);
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inputDevice = m_InDevices.at(0);
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//###
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// qDebug() << "B" << m_InDevices.length() << inputDevice.deviceName();
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const char* pcmCodec = "audio/pcm";
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QAudioFormat audioFormat = inputDevice.preferredFormat();
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audioFormat.setChannelCount(1);
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audioFormat.setCodec(pcmCodec);
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audioFormat.setSampleRate(12000);
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audioFormat.setSampleType(QAudioFormat::SignedInt);
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audioFormat.setSampleSize(16);
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// qDebug() << "C" << audioFormat << audioFormat.isValid();
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if (!audioFormat.isValid()) {
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emit error(tr("Requested audio format is not available."));
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return;
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}
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audioInput = new QAudioInput(inputDevice, audioFormat);
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// qDebug() << "D" << audioInput->error() << QAudio::NoError;
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if (audioInput->error() != QAudio::NoError) {
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emit error(reportAudioError(audioInput->error()));
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return;
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}
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stream = audioInput->start();
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// qDebug() << "E" << stream->errorString();
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m_ntr0 = 99; // initial value higher than any expected
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m_nBusy = 0;
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m_intervalTimer.start(100);
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m_ms0 = QDateTime::currentMSecsSinceEpoch();
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m_nsps0 = 0;
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}
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void SoundInput::intervalNotify()
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{
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m_callbackData.monitoring=m_monitoring;
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qint64 ms = QDateTime::currentMSecsSinceEpoch();
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ms=ms % 86400000;
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int nsec = ms/1000; // Time according to this computer
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int ntr = nsec % m_TRperiod;
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static int k=0;
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// qDebug() << "a" << ms << nsec;
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// Reset buffer pointer and symbol number at start of minute
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if(ntr < m_ntr0 or !m_monitoring or m_nsps!=m_nsps0) {
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m_nstep0=0;
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m_nsps0=m_nsps;
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m_callbackData.bzero=true;
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k=0;
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}
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// int k=m_callbackData.kin;
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// How many new samples are available?
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const qint32 bytesReady = audioInput->bytesReady();
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// qDebug() << "b" << bytesReady;
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Q_ASSERT(bytesReady >= 0);
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Q_ASSERT(bytesReady % 2 == 0);
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if (bytesReady == 0) {
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return;
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}
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qint32 bytesRead;
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bytesRead = stream->read((char*)&jt9com_.d2[k], bytesReady); // Get the new samples
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k += bytesRead/2;
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// qDebug() << "c" << bytesReady << bytesRead;
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Q_ASSERT(bytesRead <= bytesReady);
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if (bytesRead < 0) {
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emit error(tr("audio stream QIODevice::read returned -1."));
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return;
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}
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Q_ASSERT(bytesRead % 2 == 0);
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if(m_monitoring) {
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int kstep=m_nsps/2;
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m_step=(k-1)/kstep;
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if(m_step != m_nstep0) {
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if(m_dataSinkBusy) {
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m_nBusy++;
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} else {
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emit readyForFFT(k-1); //Signal to compute new FFTs
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}
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m_nstep0=m_step;
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}
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}
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m_ntr0=ntr;
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}
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SoundInput::~SoundInput()
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{
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/*
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if (m_inStream)
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{
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Pa_CloseStream(m_inStream), m_inStream = 0;
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}
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*/
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}
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/*
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// memcpy(jt9com_.d2[k],buf0,bytesRead);
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// k+=bytesRead/2;
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for(int i=0; i<bytesRead/2; i++) {
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jt9com_.d2[k++]=buf0[i];
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}
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*/
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void SoundInput::stop()
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{
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m_intervalTimer.stop();
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/*
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if (m_inStream)
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{
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Pa_StopStream(m_inStream);
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Pa_CloseStream(m_inStream), m_inStream = 0;
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}
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*/
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}
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void SoundInput::setMonitoring(bool b)
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{
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m_monitoring = b;
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}
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#endif // QAUDIO_INPUT
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