void ControlToolBar::PlayCurrentRegion(bool looped /* = false */, bool cutpreview /* = false */) { if (!CanStopAudioStream()) return; AudacityProject *p = GetActiveProject(); if (p) { double playRegionStart, playRegionEnd; p->GetPlayRegion(&playRegionStart, &playRegionEnd); AudioIOStartStreamOptions options(p->GetDefaultPlayOptions()); options.playLooped = looped; if (cutpreview) options.timeTrack = NULL; ControlToolBar::PlayAppearance appearance = cutpreview ? ControlToolBar::PlayAppearance::CutPreview : looped ? ControlToolBar::PlayAppearance::Looped : ControlToolBar::PlayAppearance::Straight; PlayPlayRegion(SelectedRegion(playRegionStart, playRegionEnd), options, (looped ? PlayMode::loopedPlay : PlayMode::normalPlay), appearance); } }
// Come here from button clicks, or commands void TranscriptionToolBar::PlayAtSpeed(bool looped, bool cutPreview) { // Can't do anything without an active project AudacityProject * p = GetActiveProject(); if (!p) { return; } // Create a TimeTrack if we haven't done so already if (!mTimeTrack) { mTimeTrack = p->GetTrackFactory()->NewTimeTrack(); if (!mTimeTrack) { return; } } // Pop up the button SetButton(false, mButtons[TTB_PlaySpeed]); // If IO is busy, abort immediately if (gAudioIO->IsBusy()) { p->GetControlToolBar()->StopPlaying(); } // Set the speed range //mTimeTrack->SetRangeUpper((double)mPlaySpeed / 100.0); //mTimeTrack->SetRangeLower((double)mPlaySpeed / 100.0); mTimeTrack->GetEnvelope()->Flatten((double)mPlaySpeed / 100.0); // Get the current play region double playRegionStart, playRegionEnd; p->GetPlayRegion(&playRegionStart, &playRegionEnd); // Start playing if (playRegionStart >= 0) { // playRegionEnd = playRegionStart + (playRegionEnd-playRegionStart)* 100.0/mPlaySpeed; #ifdef EXPERIMENTAL_MIDI_OUT gAudioIO->SetMidiPlaySpeed(mPlaySpeed); #endif AudioIOStartStreamOptions options(p->GetDefaultPlayOptions()); options.playLooped = looped; options.timeTrack = mTimeTrack.get(); ControlToolBar::PlayAppearance appearance = cutPreview ? ControlToolBar::PlayAppearance::CutPreview : looped ? ControlToolBar::PlayAppearance::Looped : ControlToolBar::PlayAppearance::Straight; p->GetControlToolBar()->PlayPlayRegion (SelectedRegion(playRegionStart, playRegionEnd), options, PlayMode::normalPlay, appearance); } }
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()); }
// Come here from button clicks, or commands void TranscriptionToolBar::PlayAtSpeed(bool looped, bool cutPreview) { // Can't do anything without an active project AudacityProject * p = GetActiveProject(); if (!p) { return; } // Fixed speed play is the old method, that uses a time track. // VariSpeed play reuses Scrubbing. bool bFixedSpeedPlay = !gPrefs->ReadBool(wxT("/AudioIO/VariSpeedPlay"), true); // Scrubbing doesn't support note tracks, but the fixed-speed method using time tracks does. if (p->GetTracks()->Any<NoteTrack>()) bFixedSpeedPlay = true; // Scrubbing only supports straight through play. // So if looped or cutPreview, we have to fall back to fixed speed. bFixedSpeedPlay = bFixedSpeedPlay || looped || cutPreview; if (bFixedSpeedPlay) { // Create a TimeTrack if we haven't done so already if (!mTimeTrack) { mTimeTrack = p->GetTrackFactory()->NewTimeTrack(); if (!mTimeTrack) { return; } } // Set the speed range //mTimeTrack->SetRangeUpper((double)mPlaySpeed / 100.0); //mTimeTrack->SetRangeLower((double)mPlaySpeed / 100.0); mTimeTrack->GetEnvelope()->Flatten((double)mPlaySpeed / 100.0); } // Pop up the button SetButton(false, mButtons[TTB_PlaySpeed]); // If IO is busy, abort immediately if (gAudioIO->IsBusy()) { p->GetControlToolBar()->StopPlaying(); } // Get the current play region double playRegionStart, playRegionEnd; p->GetPlayRegion(&playRegionStart, &playRegionEnd); // Start playing if (playRegionStart < 0) return; if (bFixedSpeedPlay) { AudioIOStartStreamOptions options(p->GetDefaultPlayOptions()); options.playLooped = looped; // No need to set cutPreview options. // Due to a rather hacky approach, the appearance is used // to signal use of cutpreview to code below. options.timeTrack = mTimeTrack.get(); ControlToolBar::PlayAppearance appearance = cutPreview ? ControlToolBar::PlayAppearance::CutPreview : looped ? ControlToolBar::PlayAppearance::Looped : ControlToolBar::PlayAppearance::Straight; p->GetControlToolBar()->PlayPlayRegion (SelectedRegion(playRegionStart, playRegionEnd), options, PlayMode::normalPlay, appearance); } else { Scrubber &Scrubber = p->GetScrubber(); Scrubber.StartSpeedPlay(GetPlaySpeed(), playRegionStart, playRegionEnd); } }