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 ScrubbingToolBar::EnableDisableButtons()
{
const auto scrubButton = mButtons[STBScrubID];
scrubButton->SetEnabled(true);
const auto seekButton = mButtons[STBSeekID];
seekButton->SetEnabled(true);
AudacityProject *p = GetActiveProject();
if (!p) return;
auto &scrubber = p->GetScrubber();
const auto canScrub = scrubber.CanScrub();
if (scrubber.Scrubs()) {
scrubButton->PushDown();
scrubButton->Enable();
}
else {
scrubButton->PopUp();
if (canScrub)
scrubButton->Enable();
else
scrubButton->Disable();
}
if (scrubber.Seeks()) {
seekButton->PushDown();
seekButton->Enable();
}
else {
seekButton->PopUp();
if (canScrub)
seekButton->Enable();
else
seekButton->Disable();
}
const auto barButton = mButtons[STBRulerID];
barButton->Enable();
if (p->GetRulerPanel()->ShowingScrubRuler())
barButton->PushDown();
else
barButton->PopUp();
RegenerateTooltips();
scrubber.CheckMenuItems();
}
void ScrubbingToolBar::OnButton(wxCommandEvent &event)
{
AudacityProject *p = GetActiveProject();
if (!p) return;
auto &scrubber = p->GetScrubber();
int id = event.GetId();
switch (id) {
case STBScrubID:
scrubber.OnScrub(event);
break;
case STBSeekID:
scrubber.OnSeek(event);
break;
case STBBarID:
scrubber.OnToggleScrubBar(event);
break;
default:
wxASSERT(false);
}
EnableDisableButtons();
}
// 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);
}
}