void ControlToolBar::EnableDisableButtons() { AudacityProject *p = GetActiveProject(); bool tracks = false; bool playing = mPlay->IsDown(); bool recording = mRecord->IsDown(); bool busy = gAudioIO->IsBusy(); // Only interested in audio type tracks if (p) { TrackListIterator iter( p->GetTracks() ); for (Track *t = iter.First(); t; t = iter.Next()) { if (t->GetKind() == Track::Wave #if defined(USE_MIDI) || t->GetKind() == Track::Note #endif ) { tracks = true; break; } } } if (p) { TranscriptionToolBar *const playAtSpeedTB = p->GetTranscriptionToolBar(); if (playAtSpeedTB) playAtSpeedTB->SetEnabled(CanStopAudioStream() && tracks && !recording); } mPlay->SetEnabled(CanStopAudioStream() && tracks && !recording); mRecord->SetEnabled( CanStopAudioStream() && !(busy && !recording) && !playing ); mStop->SetEnabled(CanStopAudioStream() && (playing || recording)); mRewind->SetEnabled(!playing && !recording); mFF->SetEnabled(tracks && !playing && !recording); auto pProject = GetActiveProject(); mPause->SetEnabled(CanStopAudioStream()); }
void ControlToolBar::StopPlaying(bool stopStream /* = true*/) { StopScrolling(); AudacityProject *project = GetActiveProject(); if(project) { // Let scrubbing code do some appearance change project->GetScrubber().StopScrubbing(); } if (!CanStopAudioStream()) return; mStop->PushDown(); SetStop(false); if(stopStream) gAudioIO->StopStream(); SetPlay(false); SetRecord(false); #ifdef EXPERIMENTAL_AUTOMATED_INPUT_LEVEL_ADJUSTMENT gAudioIO->AILADisable(); #endif mPause->PopUp(); mPaused=false; //Make sure you tell gAudioIO to unpause gAudioIO->SetPaused(mPaused); ClearCutPreviewTracks(); mBusyProject = NULL; // So that we continue monitoring after playing or recording. // also clean the MeterQueues if( project ) { project->MayStartMonitoring(); Meter *meter = project->GetPlaybackMeter(); if( meter ) { meter->Clear(); } meter = project->GetCaptureMeter(); if( meter ) { meter->Clear(); } } const auto toolbar = project->GetToolManager()->GetToolBar(ScrubbingBarID); toolbar->EnableDisableButtons(); }
void ControlToolBar::OnPlay(wxCommandEvent & WXUNUSED(evt)) { auto p = GetActiveProject(); if (!CanStopAudioStream()) return; StopPlaying(); if (p) p->TP_DisplaySelection(); PlayDefault(); UpdateStatusBar(p); }
void ControlToolBar::OnPlay(wxCommandEvent & WXUNUSED(evt)) { auto doubleClicked = mPlay->IsDoubleClicked(); mPlay->ClearDoubleClicked(); auto p = GetActiveProject(); if (doubleClicked) p->GetPlaybackScroller().Activate(true); else { if (!CanStopAudioStream()) return; StopPlaying(); if (p) p->TP_DisplaySelection(); PlayDefault(); UpdateStatusBar(p); } }
void ControlToolBar::OnRecord(wxCommandEvent &evt) { auto doubleClicked = mRecord->IsDoubleClicked(); mRecord->ClearDoubleClicked(); if (doubleClicked) { // Display a fixed recording head while scrolling the waves continuously. // If you overdub, you may want to anticipate some context in existing tracks, // so center the head. If not, put it rightmost to display as much wave as we can. const auto project = GetActiveProject(); bool duplex; gPrefs->Read(wxT("/AudioIO/Duplex"), &duplex, true); if (duplex) { // See if there is really anything being overdubbed if (gAudioIO->GetNumPlaybackChannels() == 0) // No. duplex = false; } using Mode = AudacityProject::PlaybackScroller::Mode; project->GetPlaybackScroller().Activate(duplex ? Mode::Centered : Mode::Right); return; } if (gAudioIO->IsBusy()) { if (!CanStopAudioStream() || 0 == gAudioIO->GetNumCaptureChannels()) mRecord->PopUp(); else mRecord->PushDown(); 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 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()); }
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 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 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; }