Exemplo n.º 1
0
bool EffectDtmf::Init()
{
   // dialog will be passed values from effect
   // Effect retrieves values from saved config
   // Dialog will take care of using them to initialize controls
   // If there is a selection, use that duration, otherwise use
   // value from saved config: this is useful is user wants to
   // replace selection with dtmf sequence

   if (mT1 > mT0) {
      // there is a selection: let's fit in there...
      // MJS: note that this is just for the TTC and is independent of the track rate
      // but we do need to make sure we have the right number of samples at the project rate
      AudacityProject *p = GetActiveProject();
      double projRate = p->GetRate();
      double quantMT0 = QUANTIZED_TIME(mT0, projRate);
      double quantMT1 = QUANTIZED_TIME(mT1, projRate);
      mDuration = quantMT1 - quantMT0;
      mIsSelection = true;
   } else {
      // retrieve last used values
      gPrefs->Read(wxT("/Effects/DtmfGen/SequenceDuration"), &mDuration, 1L);
      mIsSelection = false;
   }
   gPrefs->Read(wxT("/Effects/DtmfGen/String"), &dtmfString, wxT("audacity"));
   gPrefs->Read(wxT("/Effects/DtmfGen/DutyCycle"), &dtmfDutyCycle, 550L);
   gPrefs->Read(wxT("/Effects/DtmfGen/Amplitude"), &dtmfAmplitude, 0.8f);

   dtmfNTones = wxStrlen(dtmfString);

   return true;
}
Exemplo n.º 2
0
void Meter::StartMonitoring()
{

   if (gAudioIO->IsMonitoring())
      gAudioIO->StopStream();
   else {
      #if WANT_METER_MENU
         if (mMeterDisabled){
            wxCommandEvent dummy;
            OnDisableMeter(dummy);
         }
      #endif

      AudacityProject *p = GetActiveProject();
      if (p) {
         gAudioIO->StartMonitoring(p->GetRate());

         MeterToolBar *bar = p->GetMeterToolBar();
         if (bar) {
            Meter *play, *record;
            bar->GetMeters(&play, &record);
            gAudioIO->SetMeters(record, play);
         }
      }
   }

}
Exemplo n.º 3
0
/* i18n-hint: WCAG2 is the 'Web Content Accessibility Guidelines (WCAG) 2.0', see http://www.w3.org/TR/WCAG20/ */
ContrastDialog::ContrastDialog(wxWindow * parent, wxWindowID id,
                           const wxString & title,
                           const wxPoint & pos):
  wxDialogWrapper(parent, id, title, pos, wxDefaultSize,
     wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER | wxMAXIMIZE_BOX )
{
   SetName(GetTitle());

   mT0 = 0.0;
   mT1 = 0.0;
   foregrounddB = 0.0;
   backgrounddB = 0.0;
   mForegroundIsDefined = false;
   mBackgroundIsDefined = false;

   // NULL out the control members until the controls are created.
   mForegroundStartT = NULL;
   mForegroundEndT = NULL;
   mBackgroundStartT = NULL;
   mBackgroundEndT = NULL;
   wxTextValidator vld(wxFILTER_NUMERIC);
   wxString number;

   AudacityProject *p = GetActiveProject();
   mProjectRate = p->GetRate();

   ShuttleGui S(this, eIsCreating);

   S.SetBorder(5);
   S.StartHorizontalLay(wxCENTER, false);
   {
      /* i18n-hint: RMS abbreviates root mean square, a certain averaging method */
      S.AddTitle(_("Contrast Analyzer, for measuring RMS volume differences between two selections of audio."));
   }
   S.EndHorizontalLay();
   S.StartStatic( _("Parameters") );
   {
      S.StartMultiColumn(5, wxEXPAND);
      {

         // Headings
         S.AddFixedText( {} );   // spacer
         S.AddFixedText(_("Start"));
         S.AddFixedText(_("End"));
         S.AddFixedText( {} );   // spacer
         S.AddFixedText(_("Volume    "));

         const auto options = NumericTextCtrl::Options{}
            .AutoPos(true)
            .MenuEnabled(false)
            .ReadOnly(true);

         //Foreground
         S.AddFixedText(_("&Foreground:"), false);
         if (S.GetMode() == eIsCreating)
         {
            mForegroundStartT = safenew
               NumericTextCtrl(this, ID_FOREGROUNDSTART_T,
                         NumericConverter::TIME,
                         _("hh:mm:ss + hundredths"),
                         0.0,
                         mProjectRate,
                         options);
            mForegroundStartT->SetName(_("Foreground start time"));
         }
         S.AddWindow(mForegroundStartT);

         if (S.GetMode() == eIsCreating)
         {
            mForegroundEndT = safenew
               NumericTextCtrl(this, ID_FOREGROUNDEND_T,
                         NumericConverter::TIME,
                         _("hh:mm:ss + hundredths"),
                         0.0,
                         mProjectRate,
                         options);
            mForegroundEndT->SetName(_("Foreground end time"));
         }
         S.AddWindow(mForegroundEndT);

         m_pButton_UseCurrentF = S.Id(ID_BUTTON_USECURRENTF).AddButton(_("&Measure selection"));
         mForegroundRMSText=S.Id(ID_FOREGROUNDDB_TEXT).AddTextBox( {}, wxT(""), 17);
         mForegroundRMSText->Bind(wxEVT_KEY_DOWN, OnChar);

         //Background
         S.AddFixedText(_("&Background:"));
         if (S.GetMode() == eIsCreating)
         {
            mBackgroundStartT = safenew
               NumericTextCtrl(this, ID_BACKGROUNDSTART_T,
                         NumericConverter::TIME,
                         _("hh:mm:ss + hundredths"),
                         0.0,
                         mProjectRate,
                         options);
            mBackgroundStartT->SetName(_("Background start time"));
         }
         S.AddWindow(mBackgroundStartT);

         if (S.GetMode() == eIsCreating)
         {
            mBackgroundEndT = safenew
               NumericTextCtrl(this, ID_BACKGROUNDEND_T,
                         NumericConverter::TIME,
                         _("hh:mm:ss + hundredths"),
                         0.0,
                         mProjectRate,
                         options);
            mBackgroundEndT->SetName(_("Background end time"));
         }
         S.AddWindow(mBackgroundEndT);

         m_pButton_UseCurrentB = S.Id(ID_BUTTON_USECURRENTB).AddButton(_("Mea&sure selection"));
         mBackgroundRMSText = S.Id(ID_BACKGROUNDDB_TEXT).AddTextBox( {}, wxT(""), 17);
         mBackgroundRMSText->Bind(wxEVT_KEY_DOWN, OnChar);
      }
      S.EndMultiColumn();
   }
   S.EndStatic();

   //Result
   S.StartStatic( _("Result") );
   {
      S.StartMultiColumn(3, wxCENTER);
      {
         S.AddFixedText(_("Co&ntrast Result:"));
         mPassFailText = S.Id(ID_RESULTS_TEXT).AddTextBox( {}, wxT(""), 50);
         mPassFailText->Bind(wxEVT_KEY_DOWN, OnChar);
         m_pButton_Reset = S.Id(ID_BUTTON_RESET).AddButton(_("R&eset"));
         S.AddFixedText(_("&Difference:"));
         mDiffText = S.Id(ID_RESULTSDB_TEXT).AddTextBox( {}, wxT(""), 50);
         mDiffText->Bind(wxEVT_KEY_DOWN, OnChar);
         m_pButton_Export = S.Id(ID_BUTTON_EXPORT).AddButton(_("E&xport..."));
      }
      S.EndMultiColumn();
   }
   S.EndStatic();
   S.AddStandardButtons(eCloseButton |eHelpButton);
#if 0
   S.StartMultiColumn(3, wxEXPAND);
   {
      S.SetStretchyCol(1);
      m_pButton_GetURL = S.Id(ID_BUTTON_GETURL).AddButton(_("&Help"));
      S.AddFixedText(wxT(" "));   // spacer
      m_pButton_Close = S.Id(ID_BUTTON_CLOSE).AddButton(_("&Close"));
   }
   S.EndMultiColumn();
#endif
   Layout();
   Fit();
   SetMinSize(GetSize());
   Center();
}
Exemplo n.º 4
0
void ControlToolBar::OnRecord(wxCommandEvent &evt)
{
   if (gAudioIO->IsBusy()) {
      mRecord->PopUp();
      return;
   }
   AudacityProject *p = GetActiveProject();

   if( evt.GetInt() == 1 ) // used when called by keyboard shortcut. Default (0) ignored.
      mRecord->SetShift(true);
   if( evt.GetInt() == 2 )
      mRecord->SetShift(false);

   SetRecord(true, mRecord->WasShiftDown());

   if (p) {
      TrackList *t = p->GetTracks();
      TrackListIterator it(t);
      if(it.First() == NULL)
         mRecord->SetShift(false);
      double t0 = p->GetSel0();
      double t1 = p->GetSel1();
      if (t1 == t0)
         t1 = 1000000000.0;     // record for a long, long time (tens of years)

      /* TODO: set up stereo tracks if that is how the user has set up
       * their preferences, and choose sample format based on prefs */
      WaveTrackArray newRecordingTracks, playbackTracks;
#ifdef EXPERIMENTAL_MIDI_OUT
      NoteTrackArray midiTracks;
#endif
      bool duplex;
      gPrefs->Read(wxT("/AudioIO/Duplex"), &duplex, true);

      if(duplex){
         playbackTracks = t->GetWaveTrackArray(false);
#ifdef EXPERIMENTAL_MIDI_OUT
         midiTracks = t->GetNoteTrackArray(false);
#endif
     }
      else {
         playbackTracks = WaveTrackArray();
#ifdef EXPERIMENTAL_MIDI_OUT
         midiTracks = NoteTrackArray();
#endif
     }

      // If SHIFT key was down, the user wants append to tracks
      int recordingChannels = 0;
      bool shifted = mRecord->WasShiftDown();
      if (shifted) {
         bool sel = false;
         double allt0 = t0;

         // Find the maximum end time of selected and all wave tracks
         // Find whether any tracks were selected.  (If any are selected,
         // record only into them; else if tracks exist, record into all.)
         for (Track *tt = it.First(); tt; tt = it.Next()) {
            if (tt->GetKind() == Track::Wave) {
               WaveTrack *wt = static_cast<WaveTrack *>(tt);
               if (wt->GetEndTime() > allt0) {
                  allt0 = wt->GetEndTime();
               }

               if (tt->GetSelected()) {
                  sel = true;
                  if (wt->GetEndTime() > t0) {
                     t0 = wt->GetEndTime();
                  }
               }
            }
         }

         // Use end time of all wave tracks if none selected
         if (!sel) {
            t0 = allt0;
         }

         // Pad selected/all wave tracks to make them all the same length
         // Remove recording tracks from the list of tracks for duplex ("overdub")
         // playback.
         for (Track *tt = it.First(); tt; tt = it.Next()) {
            if (tt->GetKind() == Track::Wave && (tt->GetSelected() || !sel)) {
               WaveTrack *wt = static_cast<WaveTrack *>(tt);
               if (duplex)
                  playbackTracks.Remove(wt);
               t1 = wt->GetEndTime();
               if (t1 < t0) {
                  WaveTrack *newTrack = p->GetTrackFactory()->NewWaveTrack();
                  newTrack->InsertSilence(0.0, t0 - t1);
                  newTrack->Flush();
                  wt->Clear(t1, t0);
                  bool bResult = wt->Paste(t1, newTrack);
                  wxASSERT(bResult); // TO DO: Actually handle this.
                  delete newTrack;
               }
               newRecordingTracks.Add(wt);
            }
         }

         t1 = 1000000000.0;     // record for a long, long time (tens of years)
      }
      else {
         recordingChannels = gPrefs->Read(wxT("/AudioIO/RecordChannels"), 2);
         for (int c = 0; c < recordingChannels; c++) {
            WaveTrack *newTrack = p->GetTrackFactory()->NewWaveTrack();

            newTrack->SetOffset(t0);

            if (recordingChannels > 2)
              newTrack->SetMinimized(true);

            if (recordingChannels == 2) {
               if (c == 0) {
                  newTrack->SetChannel(Track::LeftChannel);
                  newTrack->SetLinked(true);
               }
               else {
                  newTrack->SetChannel(Track::RightChannel);
               }
            }
            else {
               newTrack->SetChannel( Track::MonoChannel );
            }

            newRecordingTracks.Add(newTrack);
         }

         // msmeyer: StartStream calls a callback which triggers auto-save, so
         // we add the tracks where recording is done into now. We remove them
         // later if starting the stream fails
         for (unsigned int i = 0; i < newRecordingTracks.GetCount(); i++)
            t->Add(newRecordingTracks[i]);
      }

      //Automated Input Level Adjustment Initialization
      #ifdef AUTOMATED_INPUT_LEVEL_ADJUSTMENT
         gAudioIO->AILAInitialize();
      #endif

      int token = gAudioIO->StartStream(playbackTracks,
                                        newRecordingTracks,
#ifdef EXPERIMENTAL_MIDI_OUT
                                        midiTracks,
#endif
                                        t->GetTimeTrack(),
                                        p->GetRate(), t0, t1, p);

      bool success = (token != 0);

      if (success) {
         p->SetAudioIOToken(token);
         mBusyProject = p;
      }
      else {
         // msmeyer: Delete recently added tracks if opening stream fails
         if (!shifted) {
            for (unsigned int i = 0; i < newRecordingTracks.GetCount(); i++) {
               t->Remove(newRecordingTracks[i]);
               delete newRecordingTracks[i];
            }
         }

         // msmeyer: Show error message if stream could not be opened
         wxMessageBox(_("Error while opening sound device. Please check the recording device settings and the project sample rate."),
                      _("Error"), wxOK | wxICON_EXCLAMATION, this);

         SetPlay(false);
         SetStop(false);
         SetRecord(false);
      }
   }
}
Exemplo n.º 5
0
void ControlToolBar::PlayPlayRegion(double t0, double t1,
                                    bool looped /* = false */,
                                    bool cutpreview /* = false */,
                                    TimeTrack *timetrack /* = NULL */,
                                    const double *pStartTime /* = NULL */)
{
   SetPlay(true, looped, cutpreview);

   if (gAudioIO->IsBusy()) {
      SetPlay(false);
      return;
   }

   if (cutpreview && t0==t1) {
      SetPlay(false);
      return; /* msmeyer: makes no sense */
   }

   AudacityProject *p = GetActiveProject();
   if (!p) {
      SetPlay(false);
      return;  // Should never happen, but...
   }

   TrackList *t = p->GetTracks();
   if (!t) {
      mPlay->PopUp();
      return;  // Should never happen, but...
   }

   bool hasaudio = false;
   TrackListIterator iter(t);
   for (Track *trk = iter.First(); trk; trk = iter.Next()) {
      if (trk->GetKind() == Track::Wave
#ifdef EXPERIMENTAL_MIDI_OUT
         || trk->GetKind() == Track::Note
#endif
         ) {
         hasaudio = true;
         break;
      }
   }

   if (!hasaudio) {
      SetPlay(false);
      return;  // No need to continue without audio tracks
   }

   double maxofmins,minofmaxs;
#if defined(EXPERIMENTAL_SEEK_BEHIND_CURSOR)
   double init_seek = 0.0;
#endif

   // JS: clarified how the final play region is computed;
   if (t1 == t0) {
      // msmeyer: When playing looped, we play the whole file, if
      // no range is selected. Otherwise, we play from t0 to end
      if (looped) {
         // msmeyer: always play from start
         t0 = t->GetStartTime();
      } else {
         // move t0 to valid range
         if (t0 < 0) {
            t0 = t->GetStartTime();
         }
         else if (t0 > t->GetEndTime()) {
            t0 = t->GetEndTime();
         }
#if defined(EXPERIMENTAL_SEEK_BEHIND_CURSOR)
         else {
            init_seek = t0;         //AC: init_seek is where playback will 'start'
            t0 = t->GetStartTime();
         }
#endif
      }

      // always play to end
      t1 = t->GetEndTime();
   }
   else {
      // always t0 < t1 right?

      // the set intersection between the play region and the
      // valid range maximum of lower bounds
      if (t0 < t->GetStartTime())
         maxofmins = t->GetStartTime();
      else
         maxofmins = t0;

      // minimum of upper bounds
      if (t1 > t->GetEndTime())
         minofmaxs = t->GetEndTime();
      else
         minofmaxs = t1;

      // we test if the intersection has no volume
      if (minofmaxs <= maxofmins) {
         // no volume; play nothing
         return;
      }
      else {
         t0 = maxofmins;
         t1 = minofmaxs;
      }
   }

   // Can't play before 0...either shifted or latencey corrected tracks
   if (t0 < 0.0) {
      t0 = 0.0;
   }

   bool success = false;
   if (t1 > t0) {
      int token;
      if (cutpreview) {
         double beforeLen, afterLen;
         gPrefs->Read(wxT("/AudioIO/CutPreviewBeforeLen"), &beforeLen, 2.0);
         gPrefs->Read(wxT("/AudioIO/CutPreviewAfterLen"), &afterLen, 1.0);
         double tcp0 = t0-beforeLen;
         double tcp1 = (t1+afterLen) - (t1-t0);
         SetupCutPreviewTracks(tcp0, t0, t1, tcp1);
         if (mCutPreviewTracks)
         {
            token = gAudioIO->StartStream(
               mCutPreviewTracks->GetWaveTrackArray(false),
               WaveTrackArray(),
#ifdef EXPERIMENTAL_MIDI_OUT
               NoteTrackArray(),
#endif
               timetrack, p->GetRate(), tcp0, tcp1, p, false,
               t0, t1-t0,
               pStartTime);
         } else
         {
            // Cannot create cut preview tracks, clean up and exit
            SetPlay(false);
            SetStop(false);
            SetRecord(false);
            return;
         }
      } else {
         if (!timetrack) {
            timetrack = t->GetTimeTrack();
         }
         token = gAudioIO->StartStream(t->GetWaveTrackArray(false),
                                       WaveTrackArray(),
#ifdef EXPERIMENTAL_MIDI_OUT
                                       t->GetNoteTrackArray(false),
#endif
                                       timetrack,
                                       p->GetRate(), t0, t1, p, looped,
                                       0, 0,
                                       pStartTime);
      }
      if (token != 0) {
         success = true;
         p->SetAudioIOToken(token);
         mBusyProject = p;
#if defined(EXPERIMENTAL_SEEK_BEHIND_CURSOR)
         //AC: If init_seek was set, now's the time to make it happen.
         gAudioIO->SeekStream(init_seek);
#endif
      }
      else {
         // msmeyer: Show error message if stream could not be opened
         wxMessageBox(
#if wxCHECK_VERSION(3,0,0)
            _("Error while opening sound device. "
            "Please check the playback device settings and the project sample rate."),
#else
            _("Error while opening sound device. "
            wxT("Please check the playback device settings and the project sample rate.")),
#endif
            _("Error"), wxOK | wxICON_EXCLAMATION, this);
      }
   }

   if (!success) {
      SetPlay(false);
      SetStop(false);
      SetRecord(false);
   }
}
Exemplo n.º 6
0
/* i18n-hint: WCAG2 is the 'Web Content Accessibility Guidelines (WCAG) 2.0', see http://www.w3.org/TR/WCAG20/ */
ContrastDialog::ContrastDialog(wxWindow * parent, wxWindowID id,
                           const wxString & title,
                           const wxPoint & pos):
  wxDialog(parent, id, title, pos, wxDefaultSize,
     wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER | wxMAXIMIZE_BOX )
{
   foregrounddB = 1234.0;
   backgrounddB = 1234.0;

   // NULL out the control members until the controls are created.
   mForegroundStartT = NULL;
   mForegroundEndT = NULL;
   mBackgroundStartT = NULL;
   mBackgroundEndT = NULL;
   wxTextValidator vld(wxFILTER_NUMERIC);
   wxString number;

   AudacityProject *p = GetActiveProject();
   mProjectRate = p->GetRate();

   ShuttleGui S(this, eIsCreating);
   
   S.SetBorder(5);
   S.StartHorizontalLay(wxCENTER, false);
   {
      S.AddTitle(_("Contrast Analyzer, for measuring rms volume differences between two selections of audio."));
   }
   S.EndHorizontalLay();
   S.StartStatic( _("Parameters") );
   {
      S.StartMultiColumn(5, wxEXPAND);
      {

         // Headings
         S.AddFixedText(wxT(""));   // spacer
         S.AddFixedText(_("Start"));
         S.AddFixedText(_("End"));
         S.AddFixedText(wxT(""));   // spacer
         S.AddFixedText(_("Volume    "));

         //Foreground
         S.AddFixedText(_("Foreground:"), false);
         if (mForegroundStartT == NULL)
         {
            mForegroundStartT = new
            TimeTextCtrl(this,
                         ID_FOREGROUNDSTART_T,
                         wxT(""),
                         0.0,
                         mProjectRate,
                         wxDefaultPosition,
                         wxDefaultSize,
                         true);
            mForegroundStartT->SetName(_("Foreground start time"));
            mForegroundStartT->SetFormatString(mForegroundStartT->GetBuiltinFormat(_("hh:mm:ss + hundredths")));
            mForegroundStartT->EnableMenu(false);
         }
         S.AddWindow(mForegroundStartT);

         if (mForegroundEndT == NULL)
         {
            mForegroundEndT = new
            TimeTextCtrl(this,
                         ID_FOREGROUNDEND_T,
                         wxT(""),
                         0.0,
                         mProjectRate,
                         wxDefaultPosition,
                         wxDefaultSize,
                         true);
            mForegroundEndT->SetName(_("Foreground end time"));
            mForegroundEndT->SetFormatString(mForegroundEndT->GetBuiltinFormat(_("hh:mm:ss + hundredths")));
            mForegroundEndT->EnableMenu(false);
         }
         S.AddWindow(mForegroundEndT);

         m_pButton_UseCurrentF = S.Id(ID_BUTTON_USECURRENTF).AddButton(_("Measure selection"));
         mForegroundRMSText=S.Id(ID_FOREGROUNDDB_TEXT).AddTextBox(wxT(""), wxT(""), 12);
         mForegroundRMSText->Connect(wxEVT_KEY_DOWN, wxKeyEventHandler(ContrastDialog::OnChar));

         //Background
         S.AddFixedText(_("Background:"));
         if (mBackgroundStartT == NULL)
         {
            mBackgroundStartT = new
            TimeTextCtrl(this,
                         ID_BACKGROUNDSTART_T,
                         wxT(""),
                         0.0,
                         mProjectRate,
                         wxDefaultPosition,
                         wxDefaultSize,
                         true);
            mBackgroundStartT->SetName(_("Background start time"));
            mBackgroundStartT->SetFormatString(mBackgroundStartT->GetBuiltinFormat(_("hh:mm:ss + hundredths")));
            mBackgroundStartT->EnableMenu(false);
         }
         S.AddWindow(mBackgroundStartT);

         if (mBackgroundEndT == NULL)
         {
            mBackgroundEndT = new
            TimeTextCtrl(this,
                         ID_BACKGROUNDEND_T,
                         wxT(""),
                         0.0,
                         mProjectRate,
                         wxDefaultPosition,
                         wxDefaultSize,
                         true);
            mBackgroundEndT->SetName(_("Background end time"));
            mBackgroundEndT->SetFormatString(mBackgroundEndT->GetBuiltinFormat(_("hh:mm:ss + hundredths")));
            mBackgroundEndT->EnableMenu(false);
         }
         S.AddWindow(mBackgroundEndT);

         m_pButton_UseCurrentB = S.Id(ID_BUTTON_USECURRENTB).AddButton(_("Measure selection"));
         mBackgroundRMSText = S.Id(ID_BACKGROUNDDB_TEXT).AddTextBox(wxT(""), wxT(""), 12);
         mBackgroundRMSText->Connect(wxEVT_KEY_DOWN, wxKeyEventHandler(ContrastDialog::OnChar));
      }
      S.EndMultiColumn();
   }
   S.EndStatic();

   //Result
   S.StartStatic( _("Result") );
   {
      S.StartMultiColumn(3, wxCENTER);
      {
         S.AddFixedText(_("Contrast Result:"));
         mPassFailText = S.Id(ID_RESULTS_TEXT).AddTextBox(wxT(""), wxT(""), 40);
         mPassFailText->Connect(wxEVT_KEY_DOWN, wxKeyEventHandler(ContrastDialog::OnChar));
         m_pButton_Reset = S.Id(ID_BUTTON_RESET).AddButton(_("Reset"));
         S.AddFixedText(_("Difference:"));
         mDiffText = S.Id(ID_RESULTSDB_TEXT).AddTextBox(wxT(""), wxT(""), 30);
         mDiffText->Connect(wxEVT_KEY_DOWN, wxKeyEventHandler(ContrastDialog::OnChar));
         m_pButton_Export = S.Id(ID_BUTTON_EXPORT).AddButton(_("Export"));
      }
      S.EndMultiColumn();
   }
   S.EndStatic();
   S.StartMultiColumn(3, wxEXPAND);
   {
      S.SetStretchyCol(1);
      m_pButton_GetURL = S.Id(ID_BUTTON_GETURL).AddButton(_("WCAG 2 Help"));
      S.AddFixedText(wxT(" "));   // spacer
      m_pButton_Close = S.Id(ID_BUTTON_CLOSE).AddButton(_("Close"));
   }
   S.EndMultiColumn();
   Layout();
   Fit();
   SetMinSize(GetSize());
   Center();
}
Exemplo n.º 7
0
void ControlToolBar::OnRecord(wxCommandEvent &evt)
{
   if (gAudioIO->IsBusy()) {
      mRecord->PopUp();
      return;
   }
   AudacityProject *p = GetActiveProject();

   if( evt.GetInt() == 1 ) // used when called by keyboard shortcut. Default (0) ignored.
      mRecord->SetShift(true);
   if( evt.GetInt() == 2 )
      mRecord->SetShift(false);

   SetRecord(true, mRecord->WasShiftDown());

   if (p) {
      TrackList *trackList = p->GetTracks();
      TrackListIterator it(trackList);
      if(it.First() == NULL)
         mRecord->SetShift(false);
      double t0 = p->GetSel0();
      double t1 = p->GetSel1();
      if (t1 == t0)
         t1 = 1000000000.0;     // record for a long, long time (tens of years)

      /* TODO: set up stereo tracks if that is how the user has set up
       * their preferences, and choose sample format based on prefs */
      WaveTrackArray newRecordingTracks, playbackTracks;
#ifdef EXPERIMENTAL_MIDI_OUT
      NoteTrackArray midiTracks;
#endif
      bool duplex;
      gPrefs->Read(wxT("/AudioIO/Duplex"), &duplex, true);

      if(duplex){
         playbackTracks = trackList->GetWaveTrackArray(false);
#ifdef EXPERIMENTAL_MIDI_OUT
         midiTracks = trackList->GetNoteTrackArray(false);
#endif
     }
      else {
         playbackTracks = WaveTrackArray();
#ifdef EXPERIMENTAL_MIDI_OUT
         midiTracks = NoteTrackArray();
#endif
     }

      // If SHIFT key was down, the user wants append to tracks
      int recordingChannels = 0;
      TrackList tracksCopy{};
      bool tracksCopied = false;
      bool shifted = mRecord->WasShiftDown();
      if (shifted) {
         bool sel = false;
         double allt0 = t0;

         // Find the maximum end time of selected and all wave tracks
         // Find whether any tracks were selected.  (If any are selected,
         // record only into them; else if tracks exist, record into all.)
         for (Track *tt = it.First(); tt; tt = it.Next()) {
            if (tt->GetKind() == Track::Wave) {
               WaveTrack *wt = static_cast<WaveTrack *>(tt);
               if (wt->GetEndTime() > allt0) {
                  allt0 = wt->GetEndTime();
               }

               if (tt->GetSelected()) {
                  sel = true;
                  if (wt->GetEndTime() > t0) {
                     t0 = wt->GetEndTime();
                  }
               }
            }
         }

         // Use end time of all wave tracks if none selected
         if (!sel) {
            t0 = allt0;
         }

         // Pad selected/all wave tracks to make them all the same length
         // Remove recording tracks from the list of tracks for duplex ("overdub")
         // playback.
         for (Track *tt = it.First(); tt; tt = it.Next()) {
            if (tt->GetKind() == Track::Wave && (tt->GetSelected() || !sel)) {
               WaveTrack *wt = static_cast<WaveTrack *>(tt);
               if (duplex) {
                  auto end = playbackTracks.end();
                  auto it = std::find(playbackTracks.begin(), end, wt);
                  if (it != end)
                     playbackTracks.erase(it);
               }
               t1 = wt->GetEndTime();
               if (t1 < t0) {
                  if (!tracksCopied) {
                     tracksCopied = true;
                     tracksCopy = *trackList;
                  }

                  auto newTrack = p->GetTrackFactory()->NewWaveTrack();
                  newTrack->InsertSilence(0.0, t0 - t1);
                  newTrack->Flush();
                  wt->Clear(t1, t0);
                  bool bResult = wt->Paste(t1, newTrack.get());
                  wxASSERT(bResult); // TO DO: Actually handle this.
                  wxUnusedVar(bResult);
               }
               newRecordingTracks.push_back(wt);
            }
         }

         t1 = 1000000000.0;     // record for a long, long time (tens of years)
      }
      else {
         bool recordingNameCustom, useTrackNumber, useDateStamp, useTimeStamp;
         wxString defaultTrackName, defaultRecordingTrackName;
         int numTracks = 0;

         for (Track *tt = it.First(); tt; tt = it.Next()) {
            if (tt->GetKind() == Track::Wave && !tt->GetLinked())
               numTracks++;
         }
         numTracks++;
         
         recordingChannels = gPrefs->Read(wxT("/AudioIO/RecordChannels"), 2);

         gPrefs->Read(wxT("/GUI/TrackNames/RecordingNameCustom"), &recordingNameCustom, false);
         gPrefs->Read(wxT("/GUI/TrackNames/TrackNumber"), &useTrackNumber, false);
         gPrefs->Read(wxT("/GUI/TrackNames/DateStamp"), &useDateStamp, false);
         gPrefs->Read(wxT("/GUI/TrackNames/TimeStamp"), &useTimeStamp, false);
         /* i18n-hint: The default name for an audio track. */
         gPrefs->Read(wxT("/GUI/TrackNames/DefaultTrackName"),&defaultTrackName, _("Audio Track"));
         gPrefs->Read(wxT("/GUI/TrackNames/RecodingTrackName"), &defaultRecordingTrackName, defaultTrackName);

         wxString baseTrackName = recordingNameCustom? defaultRecordingTrackName : defaultTrackName;

         for (int c = 0; c < recordingChannels; c++) {
            auto newTrack = p->GetTrackFactory()->NewWaveTrack();

            newTrack->SetOffset(t0);
            wxString nameSuffix = wxString(wxT(""));

            if (useTrackNumber) {
               nameSuffix += wxString::Format(wxT("%d"), numTracks + c);
            }

            if (useDateStamp) {
               if (!nameSuffix.IsEmpty()) {
                  nameSuffix += wxT("_");
               }
               nameSuffix += wxDateTime::Now().FormatISODate();
            }

            if (useTimeStamp) {
               if (!nameSuffix.IsEmpty()) {
                  nameSuffix += wxT("_");
               }
               nameSuffix += wxDateTime::Now().FormatISOTime();
            }

            // ISO standard would be nice, but ":" is unsafe for file name.
            nameSuffix.Replace(wxT(":"), wxT("-"));

            if (baseTrackName.IsEmpty()) {
               newTrack->SetName(nameSuffix);
            }
            else if (nameSuffix.IsEmpty()) {
               newTrack->SetName(baseTrackName);
            }
            else {
               newTrack->SetName(baseTrackName + wxT("_") + nameSuffix);
            }

            if (recordingChannels > 2)
              newTrack->SetMinimized(true);

            if (recordingChannels == 2) {
               if (c == 0) {
                  newTrack->SetChannel(Track::LeftChannel);
                  newTrack->SetLinked(true);
               }
               else {
                  newTrack->SetChannel(Track::RightChannel);
               }
            }
            else {
               newTrack->SetChannel( Track::MonoChannel );
            }

            // Let the list hold the track, and keep a pointer to it
            newRecordingTracks.push_back(
               static_cast<WaveTrack*>(
                  trackList->Add(
                     std::move(newTrack))));
         }
      }

      //Automated Input Level Adjustment Initialization
      #ifdef EXPERIMENTAL_AUTOMATED_INPUT_LEVEL_ADJUSTMENT
         gAudioIO->AILAInitialize();
      #endif

      AudioIOStartStreamOptions options(p->GetDefaultPlayOptions());
      int token = gAudioIO->StartStream(playbackTracks,
                                        newRecordingTracks,
#ifdef EXPERIMENTAL_MIDI_OUT
                                        midiTracks,
#endif
                                        p->GetRate(), t0, t1, options);

      bool success = (token != 0);

      if (success) {
         p->SetAudioIOToken(token);
         mBusyProject = p;
      }
      else {
         if (shifted) {
            // Restore the tracks to remove any inserted silence
            if (tracksCopied)
               *trackList = std::move(tracksCopy);
         }
         else {
            // msmeyer: Delete recently added tracks if opening stream fails
            for (unsigned int i = 0; i < newRecordingTracks.size(); i++) {
               trackList->Remove(newRecordingTracks[i]);
            }
         }

         // msmeyer: Show error message if stream could not be opened
         wxMessageBox(_("Error while opening sound device. Please check the recording device settings and the project sample rate."),
                      _("Error"), wxOK | wxICON_EXCLAMATION, this);

         SetPlay(false);
         SetStop(false);
         SetRecord(false);
      }
   }
   UpdateStatusBar(GetActiveProject());
}
Exemplo n.º 8
0
int ControlToolBar::PlayPlayRegion(const SelectedRegion &selectedRegion,
                                   const AudioIOStartStreamOptions &options,
                                   PlayMode mode,
                                   PlayAppearance appearance, /* = PlayOption::Straight */
                                   bool backwards, /* = false */
                                   bool playWhiteSpace /* = false */)
{
   if (!CanStopAudioStream())
      return -1;

   // Uncomment this for laughs!
   // backwards = true;

   double t0 = selectedRegion.t0();
   double t1 = selectedRegion.t1();
   // SelectedRegion guarantees t0 <= t1, so we need another boolean argument
   // to indicate backwards play.
   const bool looped = options.playLooped;

   if (backwards)
      std::swap(t0, t1);

   SetPlay(true, appearance);

   if (gAudioIO->IsBusy()) {
      SetPlay(false);
      return -1;
   }

   const bool cutpreview = appearance == PlayAppearance::CutPreview;
   if (cutpreview && t0==t1) {
      SetPlay(false);
      return -1; /* msmeyer: makes no sense */
   }

   AudacityProject *p = GetActiveProject();
   if (!p) {
      SetPlay(false);
      return -1;  // Should never happen, but...
   }

   TrackList *t = p->GetTracks();
   if (!t) {
      mPlay->PopUp();
      return -1;  // Should never happen, but...
   }

   p->mLastPlayMode = mode;

   bool hasaudio = false;
   TrackListIterator iter(t);
   for (Track *trk = iter.First(); trk; trk = iter.Next()) {
      if (trk->GetKind() == Track::Wave
#ifdef EXPERIMENTAL_MIDI_OUT
         || trk->GetKind() == Track::Note
#endif
         ) {
         hasaudio = true;
         break;
      }
   }

   double latestEnd = (playWhiteSpace)? t1 : t->GetEndTime();

   if (!hasaudio) {
      SetPlay(false);
      return -1;  // No need to continue without audio tracks
   }

#if defined(EXPERIMENTAL_SEEK_BEHIND_CURSOR)
   double init_seek = 0.0;
#endif

   if (t1 == t0) {
      if (looped) {
         // play selection if there is one, otherwise
         // set start of play region to project start, 
         // and loop the project from current play position.

         if ((t0 > p->GetSel0()) && (t0 < p->GetSel1())) {
            t0 = p->GetSel0();
            t1 = p->GetSel1();
         }
         else {
            // loop the entire project
            t0 = t->GetStartTime();
            t1 = t->GetEndTime();
         }
      } else {
         // move t0 to valid range
         if (t0 < 0) {
            t0 = t->GetStartTime();
         }
         else if (t0 > t->GetEndTime()) {
            t0 = t->GetEndTime();
         }
#if defined(EXPERIMENTAL_SEEK_BEHIND_CURSOR)
         else {
            init_seek = t0;         //AC: init_seek is where playback will 'start'
            t0 = t->GetStartTime();
         }
#endif
      }
      t1 = t->GetEndTime();
   }
   else {
      // maybe t1 < t0, with backwards scrubbing for instance
      if (backwards)
         std::swap(t0, t1);

      t0 = std::max(0.0, std::min(t0, latestEnd));
      t1 = std::max(0.0, std::min(t1, latestEnd));

      if (backwards)
         std::swap(t0, t1);
   }

   int token = -1;
   bool success = false;
   if (t1 != t0) {
      if (cutpreview) {
         const double tless = std::min(t0, t1);
         const double tgreater = std::max(t0, t1);
         double beforeLen, afterLen;
         gPrefs->Read(wxT("/AudioIO/CutPreviewBeforeLen"), &beforeLen, 2.0);
         gPrefs->Read(wxT("/AudioIO/CutPreviewAfterLen"), &afterLen, 1.0);
         double tcp0 = tless-beforeLen;
         double diff = tgreater - tless;
         double tcp1 = (tgreater+afterLen) - diff;
         SetupCutPreviewTracks(tcp0, tless, tgreater, tcp1);
         if (backwards)
            std::swap(tcp0, tcp1);
         if (mCutPreviewTracks)
         {
            AudioIOStartStreamOptions myOptions = options;
            myOptions.cutPreviewGapStart = t0;
            myOptions.cutPreviewGapLen = t1 - t0;
            token = gAudioIO->StartStream(
               mCutPreviewTracks->GetWaveTrackArray(false),
               WaveTrackArray(),
#ifdef EXPERIMENTAL_MIDI_OUT
               NoteTrackArray(),
#endif
               p->GetRate(), tcp0, tcp1, myOptions);
         } else
         {
            // Cannot create cut preview tracks, clean up and exit
            SetPlay(false);
            SetStop(false);
            SetRecord(false);
            return -1;
         }
      } else {
         // Lifted the following into AudacityProject::GetDefaultPlayOptions()
         /*
         if (!timetrack) {
            timetrack = t->GetTimeTrack();
         }
         */
         token = gAudioIO->StartStream(t->GetWaveTrackArray(false),
                                       WaveTrackArray(),
#ifdef EXPERIMENTAL_MIDI_OUT
                                       t->GetNoteTrackArray(false),
#endif
                                       p->GetRate(), t0, t1, options);
      }
      if (token != 0) {
         success = true;
         p->SetAudioIOToken(token);
         mBusyProject = p;
#if defined(EXPERIMENTAL_SEEK_BEHIND_CURSOR)
         //AC: If init_seek was set, now's the time to make it happen.
         gAudioIO->SeekStream(init_seek);
#endif
      }
      else {
         // msmeyer: Show error message if stream could not be opened
         wxMessageBox(
            _("Error while opening sound device. "
            "Please check the playback device settings and the project sample rate."),
            _("Error"), wxOK | wxICON_EXCLAMATION, this);
      }
   }

   if (!success) {
      SetPlay(false);
      SetStop(false);
      SetRecord(false);
      return -1;
   }

   // Let other UI update appearance
   if (p)
      p->GetRulerPanel()->HideQuickPlayIndicator();

   return token;
}
Exemplo n.º 9
0
SnapManager::SnapManager(TrackList *tracks, TrackClipArray *exclusions,
                         double zoom, int pixelTolerance, bool noTimeSnap)
{
   int i;

   // Grab time-snapping prefs (unless otherwise requested)
   mSnapToTime = false;

   AudacityProject *p = GetActiveProject();
   wxASSERT(p);
   if (p)
   {
      // Look up the format string
      if (p->GetSnapTo() && !noTimeSnap) {
         mSnapToTime = true;
         mConverter.SetSampleRate(p->GetRate());
         mConverter.SetFormatName(p->GetSelectionFormat());
      }
   }

   mSnapPoints = new SnapPointArray(CompareSnapPoints);
   if (zoom > 0 && pixelTolerance > 0)
      mTolerance = pixelTolerance / zoom;
   else {
      // This shouldn't happen, but we don't want to crash if we get
      // illegal values.  The net effect of this is to never snap.
      mTolerance = 0.0;
   }
   // Two time points closer than this are considered the same
   mEpsilon = 1 / 44100.0;

   // Add a SnapPoint at t=0
   mSnapPoints->Add(new SnapPoint(0.0, NULL));

   TrackListIterator iter(tracks);
   Track *track = iter.First();
   while (track) {
      if (track->GetKind() == Track::Label) {
         LabelTrack *labelTrack = (LabelTrack *)track;
         for(i = 0; i < labelTrack->GetNumLabels(); i++) {
            const LabelStruct *label = labelTrack->GetLabel(i);
            CondListAdd(label->t, labelTrack);
            if (label->t1 != label->t) {
               CondListAdd(label->t1, labelTrack);
            }
         }
      }
      else if (track->GetKind() == Track::Wave) {
         WaveTrack *waveTrack = (WaveTrack *)track;
         WaveClipList::compatibility_iterator it;
         for (it=waveTrack->GetClipIterator(); it; it=it->GetNext()) {
            WaveClip *clip = it->GetData();
            if (exclusions) {
               bool skip = false;
               for(int j=0; j<(int)exclusions->GetCount(); j++) {
                  if ((*exclusions)[j].track == waveTrack &&
                      (*exclusions)[j].clip == clip)
                     skip = true;
               }
               if (skip)
                  continue;
            }
            CondListAdd(clip->GetStartTime(), waveTrack);
            CondListAdd(clip->GetEndTime(), waveTrack);
         }
      }
#ifdef USE_MIDI
      else if (track->GetKind() == Track::Note) {
         CondListAdd(track->GetStartTime(), track);
         CondListAdd(track->GetEndTime(), track);
      }
#endif
      track = iter.Next();
   }
}
Exemplo n.º 10
0
void ControlToolBar::PlayPlayRegion(double t0, double t1,
                                    bool looped /* = false */)
{
   if (gAudioIO->IsBusy()) {
      mPlay->PopUp();
      #if (AUDACITY_BRANDING == BRAND_THINKLABS)
         mLoopPlay->PopUp();
      #elif (AUDACITY_BRANDING == BRAND_AUDIOTOUCH)
         mPlay->Show();
         mPause->Hide();
         this->EnablePauseCommand(false);
      #endif
      return;
   }
  
   mStop->Enable();
   mRewind->Disable();
   mRecord->Disable();
   mFF->Disable();
   mPause->Enable();
   this->EnablePauseCommand(true);
   
   AudacityProject *p = GetActiveProject();
   if (p) {
      TrackList *t = p->GetTracks();
      double maxofmins,minofmaxs;
      
      // JS: clarified how the final play region is computed;
      
      if (t1 == t0) {
         // msmeyer: When playing looped, we play the whole file, if
         // no range is selected. Otherwise, we play from t0 to end
         if (looped) {
            // msmeyer: always play from start
            t0 = t->GetStartTime();
         } else {
            // move t0 to valid range
            if (t0 < 0)
               t0 = t->GetStartTime();
            if (t0 > t->GetEndTime())
               t0 = t->GetEndTime();
         }
         
         // always play to end
         t1 = t->GetEndTime();
      }
      else {
         // always t0 < t1 right?

         // the set intersection between the play region and the
         // valid range maximum of lower bounds
         if (t0 < t->GetStartTime())
            maxofmins = t->GetStartTime();
         else
            maxofmins = t0;
         
         // minimum of upper bounds
         if (t1 > t->GetEndTime())
            minofmaxs = t->GetEndTime();
         else
            minofmaxs = t1;

         // we test if the intersection has no volume 
         if (minofmaxs <= maxofmins) {
            // no volume; play nothing
            return;
         }
         else {
            t0 = maxofmins;
            t1 = minofmaxs;
         }
      }

      bool success = false;
      if (t1 > t0) {
         int token =
            gAudioIO->StartStream(t->GetWaveTrackArray(false),
                                  WaveTrackArray(), t->GetTimeTrack(),
                                  p->GetRate(), t0, t1, looped);
         if (token != 0) {
            success = true;
            p->SetAudioIOToken(token);
            mBusyProject = p;
            SetVUMeters(p);
         }
         else {
            // msmeyer: Show error message if stream could not be opened
            wxMessageBox(_("Error while opening sound device. Please check the output "
                           "device settings and the project sample rate."),
                         _("Error"), wxOK | wxICON_EXCLAMATION, this);
         }
      }

      if (!success) {
         SetPlay(false);
         SetStop(false);
         SetRecord(false);
      }
      #if (AUDACITY_BRANDING == BRAND_AUDIOTOUCH)
         if (success)
         {
            mPlay->Hide();
            mPause->Show();
            this->EnablePauseCommand(true);

            this->SetBackgroundColour(*wxGREEN); // green for Playing
            this->Refresh();
         }
      #endif
   }
}
Exemplo n.º 11
0
void ControlToolBar::OnRecord(wxCommandEvent &evt)
{
   if (gAudioIO->IsBusy()) {
      #if (AUDACITY_BRANDING == BRAND_AUDIOTOUCH)
         if (mIsLocked) // Stop only if in locked mode. 
         {
            this->StopPlaying(); // Stop recording.
            mRecord->PopUp();
         }
         else
         {
            //v evt.GetClassInfo();
         }
      #else
         mRecord->PopUp();
      #endif
      return;
   }

   mPlay->Disable();
   #if (AUDACITY_BRANDING == BRAND_THINKLABS)
      mLoopPlay->Disable();
   #endif

   #if (AUDACITY_BRANDING == BRAND_AUDIOTOUCH)
      mStop->SetEnabled(mIsLocked);
   #else
      mStop->Enable();
   #endif
   mRewind->Disable();
   mFF->Disable();
   #if (AUDACITY_BRANDING == BRAND_AUDIOTOUCH)
      mPause->SetEnabled(mIsLocked);
      this->EnablePauseCommand(mIsLocked);
      this->SetRecord(mIsLocked); // If locked, push Record down, else up.
   #else
      mPause->Enable();
      mRecord->PushDown();
   #endif

   AudacityProject *p = GetActiveProject();
   if (p) {
      TrackList *t = p->GetTracks();

      // Don't do this for Audiotouch. Not necessary. The performance hit is in the track being recorded, below.
      #if (AUDACITY_BRANDING == BRAND_THINKLABS)
         // For versions that default to dual wave/spectrum display, 
         // switch all tracks to WaveformDisplay on Record, for performance.
         TrackListIterator iter(t);
         for (Track* pTrack = iter.First(); pTrack; pTrack = iter.Next())
            if (pTrack->GetKind() == Track::Wave)
               ((WaveTrack*)pTrack)->SetDisplay(WaveTrack::WaveformDisplay);
      #endif

      double t0 = p->GetSel0();
      double t1 = p->GetSel1();
      if (t1 == t0)
         t1 = 1000000000.0;     // record for a long, long time (tens of years)
      #if (AUDACITY_BRANDING == BRAND_AUDIOTOUCH)
         if (p->m_bWantAppendRecording)
         {
            t0 = t->GetEndTime();
            t1 = 1000000000.0;     // record for a long, long time (tens of years)
         }
         gAudioIO->SetWantLatencyCorrection(!p->m_bWantAppendRecording);
      #endif

      /* TODO: set up stereo tracks if that is how the user has set up
       * their preferences, and choose sample format based on prefs */
      WaveTrackArray newRecordingTracks, playbackTracks;

      bool duplex;
      gPrefs->Read("/AudioIO/Duplex", &duplex, true);
      int recordingChannels = gPrefs->Read("/AudioIO/RecordChannels", 1);

      if( duplex )
         playbackTracks = t->GetWaveTrackArray(false);
      else
         playbackTracks = WaveTrackArray();

      for( int c = 0; c < recordingChannels; c++ )
      {
         WaveTrack *newTrack = p->GetTrackFactory()->NewWaveTrack();
         newTrack->SetOffset(t0);
         newTrack->SetRate(p->GetRate());

         //v for performance     newTrack->SetDisplay(WaveTrack::WaveformAndSpectrumDisplay);
         newTrack->SetDisplay(WaveTrack::WaveformDisplay); 
         
         if( recordingChannels == 2 )
         {
            if( c == 0 )
            {
               newTrack->SetChannel(Track::LeftChannel);
               newTrack->SetLinked(true);
            }
            else
               newTrack->SetChannel(Track::RightChannel);
         }
         else
         {
            newTrack->SetChannel( Track::MonoChannel );
         }

         newRecordingTracks.Add(newTrack);
      }

      int token = gAudioIO->StartStream(playbackTracks,
                                        newRecordingTracks, t->GetTimeTrack(),
                                        p->GetRate(), t0, t1);

      bool success = (token != 0);
      for( unsigned int i = 0; i < newRecordingTracks.GetCount(); i++ )
         if (success)
            t->Add(newRecordingTracks[i]);
         else
            delete newRecordingTracks[i];

      if (success) {
         p->SetAudioIOToken(token);
         mBusyProject = p;
         SetVUMeters(p);
         #if (AUDACITY_BRANDING == BRAND_AUDIOTOUCH)
            this->SetBackgroundColour(*wxRED); // red for Recording
            this->Refresh();
         #endif
      }
      else {
         // msmeyer: Show error message if stream could not be opened
         wxMessageBox(_("Error while opening sound device. Please check the input "
                        "device settings and the project sample rate."),
                      _("Error"), wxOK | wxICON_EXCLAMATION, this);

         SetPlay(false);
         #if (AUDACITY_BRANDING == BRAND_AUDIOTOUCH)
            mStop->Enable(); // In case it was disabled above, based on mIsLocked.
         #endif
         SetStop(false);
         SetRecord(false);
      }

      #if (AUDACITY_BRANDING == BRAND_AUDIOTOUCH)
         p->OnZoomFitV();
      #endif
   }
}
Exemplo n.º 12
0
void ControlToolBar::OnRecord(wxCommandEvent &evt)
{
   if (gAudioIO->IsBusy()) {
      mRecord->PopUp();
      return;
   }
   AudacityProject *p = GetActiveProject();
   if (p && p->GetCleanSpeechMode()) {
      size_t numProjects = gAudacityProjects.Count();
      bool tracks = (p && !p->GetTracks()->IsEmpty());
      if (tracks || (numProjects > 1)) {
         wxMessageBox(_("Recording in CleanSpeech mode is not possible when a track, or more than one project, is already open."),
            _("Recording not permitted"),
            wxOK | wxICON_INFORMATION,
            this);
         mRecord->PopUp();
         mRecord->Disable();
         return;
      }
   }

   if( evt.GetInt() == 1 ) // used when called by keyboard shortcut. Default (0) ignored.
      mRecord->SetShift(true);
   if( evt.GetInt() == 2 )
      mRecord->SetShift(false);

   SetRecord(true);

   if (p) {
      TrackList *t = p->GetTracks();
      TrackListIterator it(t);
      if(it.First() == NULL)
         mRecord->SetShift(false);
      double t0 = p->GetSel0();
      double t1 = p->GetSel1();
      if (t1 == t0)
         t1 = 1000000000.0;     // record for a long, long time (tens of years)

      /* TODO: set up stereo tracks if that is how the user has set up
       * their preferences, and choose sample format based on prefs */
      WaveTrackArray newRecordingTracks, playbackTracks;
/* REQUIRES PORTMIDI */
//      NoteTrackArray midiTracks;

      bool duplex;
      gPrefs->Read(wxT("/AudioIO/Duplex"), &duplex, true);
            
      if(duplex){
         playbackTracks = t->GetWaveTrackArray(false);
/* REQUIRES PORTMIDI */
//		 midiTracks = t->GetNoteTrackArray(false);
     }
      else {
         playbackTracks = WaveTrackArray();
/* REQUIRES PORTMIDI */
//		 midiTracks = NoteTrackArray();
     }
      
      // If SHIFT key was down, the user wants append to tracks
      int recordingChannels = 0;
      bool shifted = mRecord->WasShiftDown();
      if (shifted) {
         TrackListIterator it(t);
         WaveTrack *wt;
         bool sel = false;
         double allt0 = t0;

         // Find the maximum end time of selected and all wave tracks
         for (Track *tt = it.First(); tt; tt = it.Next()) {
            if (tt->GetKind() == Track::Wave) {
               wt = (WaveTrack *)tt;
               if (wt->GetEndTime() > allt0) {
                  allt0 = wt->GetEndTime();
               }
            
               if (tt->GetSelected()) {
                  sel = true;
                  if (duplex)
                     playbackTracks.Remove(wt);
                  if (wt->GetEndTime() > t0) {
                     t0 = wt->GetEndTime();
                  }
               }
            }
         }

         // Use end time of all wave tracks if none selected
         if (!sel) {
            t0 = allt0;
         }

         // Pad selected/all wave tracks to make them all the same length
         for (Track *tt = it.First(); tt; tt = it.Next()) {
            if (tt->GetKind() == Track::Wave && (tt->GetSelected() || !sel)) {
               wt = (WaveTrack *)tt;
               t1 = wt->GetEndTime();
               if (t1 < t0) {
                  WaveTrack *newTrack = p->GetTrackFactory()->NewWaveTrack();
                  newTrack->InsertSilence(0.0, t0 - t1);
                  newTrack->Flush();
                  wt->Clear(t1, t0);
                  wt->Paste(t1, newTrack);
                  delete newTrack;
               }
               newRecordingTracks.Add(wt);
            }
         }

         t1 = 1000000000.0;     // record for a long, long time (tens of years)
      }
      else {
         recordingChannels = gPrefs->Read(wxT("/AudioIO/RecordChannels"), 2);
         for (int c = 0; c < recordingChannels; c++) {
            WaveTrack *newTrack = p->GetTrackFactory()->NewWaveTrack();

            int initialheight = newTrack->GetHeight();

            newTrack->SetOffset(t0);

            if (recordingChannels <= 2) {
               newTrack->SetHeight(initialheight/recordingChannels);
            }
            else {
               newTrack->SetMinimized(true);
            }

            if (recordingChannels == 2) {
               if (c == 0) {
                  newTrack->SetChannel(Track::LeftChannel);
                  newTrack->SetLinked(true);
               }
               else {
                  newTrack->SetChannel(Track::RightChannel);
                  newTrack->SetTeamed(true);
               }
            }
            else {
               newTrack->SetChannel( Track::MonoChannel );
            }

            newRecordingTracks.Add(newTrack);
         }
         
         // msmeyer: StartStream calls a callback which triggers auto-save, so
         // we add the tracks where recording is done into now. We remove them
         // later if starting the stream fails
         for (unsigned int i = 0; i < newRecordingTracks.GetCount(); i++)
            t->Add(newRecordingTracks[i]);
      }

      int token = gAudioIO->StartStream(playbackTracks,
                                        newRecordingTracks,
/* REQUIRES PORTMIDI */
//                                        midiTracks,
                                        t->GetTimeTrack(),
                                        p->GetRate(), t0, t1, p);

      bool success = (token != 0);
      
      if (success) {
         p->SetAudioIOToken(token);
         mBusyProject = p;
         SetVUMeters(p);
      }
      else {
         // msmeyer: Delete recently added tracks if opening stream fails
         if (!shifted) {
            for (unsigned int i = 0; i < newRecordingTracks.GetCount(); i++) {
               t->Remove(newRecordingTracks[i]);
               delete newRecordingTracks[i];
            }
         }

         // msmeyer: Show error message if stream could not be opened
         wxMessageBox(_("Error while opening sound device. "
            wxT("Please check the input device settings and the project sample rate.")),
                      _("Error"), wxOK | wxICON_EXCLAMATION, this);

         SetPlay(false);
         SetStop(false);
         SetRecord(false);
      }
   }
}