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);
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) {
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);
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;
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. Please check the recording device settings and the project sample rate."),
_("Error"), wxOK | wxICON_EXCLAMATION, this);
SetPlay(false);
SetStop(false);
SetRecord(false);
}
}
}
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
}
}
void ControlToolBar::PlayPlayRegion(double t0, double t1,
bool looped /* = false */,
bool cutpreview /* = false */,
TimeTrack *timetrack /* = NULL */)
{
SetPlay(true, looped);
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
NULL, p->GetRate(), tcp0, tcp1, p, false,
t0, t1-t0);
} 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);
}
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
SetVUMeters(p);
}
else {
// msmeyer: Show error message if stream could not be opened
wxMessageBox(_(
"Error while opening sound device. "
wxT("Please check the playback device settings and the project sample rate.")),
_("Error"), wxOK | wxICON_EXCLAMATION, this);
}
}
if (!success) {
SetPlay(false);
SetStop(false);
SetRecord(false);
}
}
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
}
}