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mirror of https://github.com/cookiengineer/audacity synced 2025-07-07 16:07:44 +02:00

Remove an uncompiled source file mistakenly added at 4f940c8

This commit is contained in:
Paul Licameli 2019-06-11 19:42:59 -04:00
parent f320612f10
commit 702199f9d9

View File

@ -1,742 +0,0 @@
/**********************************************************************
Audacity: A Digital Audio Editor
TransportState.cpp
Paul Licameli
split from ControlToolBar.cpp
***********************************************************************/
#include "Audacity.h"
#include "TransportState.h"
#include <cfloat>
#include "AdornedRulerPanel.h"
#include "AudioIO.h"
#include "Menus.h"
#include "Project.h"
#include "ProjectAudioIO.h"
#include "ProjectSettings.h"
#include "TrackPanel.h"
#include "ViewInfo.h"
#include "WaveTrack.h"
#include "prefs/TracksPrefs.h"
#include "toolbars/ToolManager.h"
#include "tracks/ui/Scrubbing.h"
#include "widgets/ErrorDialog.h"
#include "widgets/Meter.h"
AudacityProject *TransportState::mBusyProject = NULL;
std::shared_ptr<TrackList> TransportState::mCutPreviewTracks;
PlayMode TransportState::sLastPlayMode{ PlayMode::normalPlay };
int TransportState::PlayPlayRegion(const SelectedRegion &selectedRegion,
const AudioIOStartStreamOptions &options,
PlayMode mode,
bool backwards, /* = false */
bool playWhiteSpace /* = false */)
// STRONG-GUARANTEE (for state of mCutPreviewTracks)
{
if (!CanStopAudioStream())
return -1;
bool useMidi = true;
// Remove these lines to experiment with scrubbing/seeking of note tracks
if (options.pScrubbingOptions)
useMidi = false;
// 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);
#if 0
{
PlayAppearance appearance;
switch( mode ) {
case PlayMode::cutPreviewPlay:
appearance = PlayAppearance::CutPreview; break;
case PlayMode::loopedPlay:
appearance = PlayAppearance::Looped; break;
default:
appearance = PlayAppearance::Straight; break;
}
SetPlay(true, appearance);
}
#endif
bool success = false;
auto cleanup = finally( [&] {
if (!success) {
// SetPlay(false);
// SetStop(false);
// SetRecord(false);
}
} );
if (gAudioIO->IsBusy())
return -1;
const bool cutpreview = mode == PlayMode::cutPreviewPlay;
if (cutpreview && t0==t1)
return -1; /* msmeyer: makes no sense */
AudacityProject *p = GetActiveProject();
if (!p)
return -1; // Should never happen, but...
auto &tracks = TrackList::Get( *p );
sLastPlayMode = mode;
bool hasaudio;
if (useMidi)
hasaudio = ! tracks.Any<PlayableTrack>().empty();
else
hasaudio = ! tracks.Any<WaveTrack>().empty();
double latestEnd = (playWhiteSpace)? t1 : tracks.GetEndTime();
if (!hasaudio)
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.
auto &selectedRegion = ViewInfo::Get( *p ).selectedRegion;
if ((t0 > selectedRegion.t0()) && (t0 < selectedRegion.t1())) {
t0 = selectedRegion.t0();
t1 = selectedRegion.t1();
}
else {
// loop the entire project
t0 = tracks.GetStartTime();
t1 = tracks.GetEndTime();
}
} else {
// move t0 to valid range
if (t0 < 0) {
t0 = tracks.GetStartTime();
}
else if (t0 > tracks.GetEndTime()) {
t0 = tracks.GetEndTime();
}
#if defined(EXPERIMENTAL_SEEK_BEHIND_CURSOR)
else {
init_seek = t0; //AC: init_seek is where playback will 'start'
t0 = tracks.GetStartTime();
}
#endif
}
t1 = tracks.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;
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(
GetAllPlaybackTracks(*mCutPreviewTracks, false, useMidi),
tcp0, tcp1, myOptions);
}
else
// Cannot create cut preview tracks, clean up and exit
return -1;
}
else {
// Lifted the following into AudacityProject::GetDefaultPlayOptions()
/*
if (!timetrack) {
timetrack = t->GetTimeTrack();
}
*/
token = gAudioIO->StartStream(
GetAllPlaybackTracks(tracks, false, useMidi),
t0, t1, options);
}
if (token != 0) {
success = true;
ProjectAudioIO::Get( *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 {
// Bug1627 (part of it):
// infinite error spew when trying to start scrub:
// Problem was that the error dialog yields to events,
// causing recursion to this function in the scrub timer
// handler! Easy fix, just delay the user alert instead.
wxTheApp->CallAfter( []{
// Show error message if stream could not be opened
auto &window = ProjectWindow::Get( *::GetActiveProject() );
ShowErrorDialog(&window,
_("Error"),
_("Error opening sound device.\nTry changing the audio host, playback device and the project sample rate."),
wxT("Error_opening_sound_device"));
});
}
}
if (!success)
return -1;
StartScrollingIfPreferred();
// Let other UI update appearance
if (p)
AdornedRulerPanel::Get( *p ).DrawBothOverlays();
return token;
}
void TransportState::PlayCurrentRegion(bool looped /* = false */,
bool cutpreview /* = false */)
{
if (!CanStopAudioStream())
return;
AudacityProject *p = GetActiveProject();
if (p)
{
auto playRegion = ViewInfo::Get( *p ).playRegion;
auto options = DefaultPlayOptions( *p );
options.playLooped = looped;
if (cutpreview)
options.timeTrack = NULL;
auto mode =
cutpreview ? PlayMode::cutPreviewPlay
: options.playLooped ? PlayMode::loopedPlay
: PlayMode::normalPlay;
PlayPlayRegion(SelectedRegion(playRegion.GetStart(), playRegion.GetEnd()),
options, mode);
}
}
bool TransportState::CanStopAudioStream()
{
return (!gAudioIO->IsStreamActive() ||
gAudioIO->IsMonitoring() ||
gAudioIO->GetOwningProject() == GetActiveProject());
}
void TransportState::StopPlaying(bool stopStream /* = true*/)
{
StopScrolling();
AudacityProject *project = GetActiveProject();
if(project)
// Let scrubbing code do some appearance change
Scrubber::Get( *project ).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();
auto &projectAudioIO = ProjectAudioIO::Get( *project );
MeterPanel *meter = projectAudioIO.GetPlaybackMeter();
if( meter ) {
meter->Clear();
}
meter = projectAudioIO.GetCaptureMeter();
if( meter ) {
meter->Clear();
}
}
const auto toolbar =
ToolManager::Get( *project ).GetToolBar( ScrubbingBarID );
toolbar->EnableDisableButtons();
}
void TransportState::Pause()
{
if (!CanStopAudioStream())
gAudioIO->SetPaused(!gAudioIO->IsPaused());
else {
wxCommandEvent dummy;
// OnPause(dummy);
}
}
WaveTrackArray TransportState::ChooseExistingRecordingTracks(
AudacityProject &proj, bool selectedOnly)
{
auto p = &proj;
size_t recordingChannels =
std::max(0L, gPrefs->Read(wxT("/AudioIO/RecordChannels"), 2));
bool strictRules = (recordingChannels <= 2);
// Iterate over all wave tracks, or over selected wave tracks only.
//
// In the usual cases of one or two recording channels, seek a first-fit
// unbroken sub-sequence for which the total number of channels matches the
// required number exactly. Never drop inputs or fill only some channels
// of a track.
//
// In case of more than two recording channels, choose tracks only among the
// selected. Simply take the earliest wave tracks, until the number of
// channels is enough. If there are fewer channels than inputs, but at least
// one channel, then some of the input channels will be dropped.
//
// Resulting tracks may be non-consecutive within the list of all tracks
// (there may be non-wave tracks between, or non-selected tracks when
// considering selected tracks only.)
if (!strictRules && !selectedOnly)
return {};
auto &trackList = TrackList::Get( *p );
std::vector<unsigned> channelCounts;
WaveTrackArray candidates;
const auto range = trackList.Leaders<WaveTrack>();
for ( auto candidate : selectedOnly ? range + &Track::IsSelected : range ) {
// count channels in this track
const auto channels = TrackList::Channels( candidate );
unsigned nChannels = channels.size();
if (strictRules && nChannels > recordingChannels) {
// The recording would under-fill this track's channels
// Can't use any partial accumulated results
// either. Keep looking.
candidates.clear();
channelCounts.clear();
continue;
}
else {
// Might use this but may have to discard some of the accumulated
while(strictRules &&
nChannels + candidates.size() > recordingChannels) {
auto nOldChannels = channelCounts[0];
wxASSERT(nOldChannels > 0);
channelCounts.erase(channelCounts.begin());
candidates.erase(candidates.begin(),
candidates.begin() + nOldChannels);
}
channelCounts.push_back(nChannels);
for ( auto channel : channels ) {
candidates.push_back(channel->SharedPointer<WaveTrack>());
if(candidates.size() == recordingChannels)
// Done!
return candidates;
}
}
}
if (!strictRules && !candidates.empty())
// good enough
return candidates;
// If the loop didn't exit early, we could not find enough channels
return {};
}
bool TransportState::DoRecord(AudacityProject &project,
const TransportTracks &tracks,
double t0, double t1,
bool altAppearance,
const AudioIOStartStreamOptions &options)
{
CommandFlag flags = AlwaysEnabledFlag; // 0 means recalc flags.
// NB: The call may have the side effect of changing flags.
bool allowed = MenuManager::Get(project).TryToMakeActionAllowed(
project,
flags,
AudioIONotBusyFlag | CanStopAudioStreamFlag,
AudioIONotBusyFlag | CanStopAudioStreamFlag);
if (!allowed)
return false;
// ...end of code from CommandHandler.
if (gAudioIO->IsBusy()) {
if (!TransportState::CanStopAudioStream() ||
0 == gAudioIO->GetNumCaptureChannels())
// mRecord->PopUp()
;
else
// mRecord->PushDown()
;
return false;
}
// SetRecord(true, altAppearance);
bool success = false;
auto cleanup = finally([&] {
if (!success) {
// SetPlay(false);
// SetStop(false);
// SetRecord(false);
}
// Success or not:
// UpdateStatusBar(GetActiveProject());
});
auto transportTracks = tracks;
// Will replace any given capture tracks with temporaries
transportTracks.captureTracks.clear();
const auto p = &project;
bool appendRecord = !tracks.captureTracks.empty();
{
if (appendRecord) {
// Append recording:
// Pad selected/all wave tracks to make them all the same length
auto &trackList = TrackList::Get( *p );
for (const auto &wt : tracks.captureTracks)
{
auto endTime = wt->GetEndTime();
// If the track was chosen for recording and playback both,
// remember the original in preroll tracks, before making the
// pending replacement.
bool prerollTrack = make_iterator_range(transportTracks.playbackTracks).contains(wt);
if (prerollTrack)
transportTracks.prerollTracks.push_back(wt);
// A function that copies all the non-sample data between
// wave tracks; in case the track recorded to changes scale
// type (for instance), during the recording.
auto updater = [](Track &d, const Track &s){
auto &dst = static_cast<WaveTrack&>(d);
auto &src = static_cast<const WaveTrack&>(s);
dst.Reinit(src);
};
// Get a copy of the track to be appended, to be pushed into
// undo history only later.
auto pending = std::static_pointer_cast<WaveTrack>(
trackList.RegisterPendingChangedTrack(
updater, wt.get() ) );
// End of current track is before or at recording start time.
// Less than or equal, not just less than, to ensure a clip boundary.
// when append recording.
if (endTime <= t0) {
// Pad the recording track with silence, up to the
// maximum time.
auto newTrack = TrackFactory::Get( *p ).NewWaveTrack();
newTrack->InsertSilence(0.0, t0 - endTime);
newTrack->Flush();
pending->Clear(endTime, t0);
pending->Paste(endTime, newTrack.get());
}
transportTracks.captureTracks.push_back(pending);
}
trackList.UpdatePendingTracks();
}
if( transportTracks.captureTracks.empty() )
{ // recording to NEW track(s).
bool recordingNameCustom, useTrackNumber, useDateStamp, useTimeStamp;
wxString defaultTrackName, defaultRecordingTrackName;
// Count the tracks.
auto &trackList = TrackList::Get( *p );
auto numTracks = trackList.Leaders<const WaveTrack>().size();
auto recordingChannels = std::max(1L, 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);
defaultTrackName = TracksPrefs::GetDefaultAudioTrackNamePreference();
gPrefs->Read(wxT("/GUI/TrackNames/RecodingTrackName"), &defaultRecordingTrackName, defaultTrackName);
wxString baseTrackName = recordingNameCustom? defaultRecordingTrackName : defaultTrackName;
Track *first {};
for (int c = 0; c < recordingChannels; c++) {
auto newTrack = TrackFactory::Get( *p ).NewWaveTrack();
if (!first)
first = newTrack.get();
// Quantize bounds to the rate of the new track.
if (c == 0) {
if (t0 < DBL_MAX)
t0 = newTrack->LongSamplesToTime(newTrack->TimeToLongSamples(t0));
if (t1 < DBL_MAX)
t1 = newTrack->LongSamplesToTime(newTrack->TimeToLongSamples(t1));
}
newTrack->SetOffset(t0);
wxString nameSuffix = wxString(wxT(""));
if (useTrackNumber) {
nameSuffix += wxString::Format(wxT("%d"), 1 + numTracks + c);
}
if (useDateStamp) {
if (!nameSuffix.empty()) {
nameSuffix += wxT("_");
}
nameSuffix += wxDateTime::Now().FormatISODate();
}
if (useTimeStamp) {
if (!nameSuffix.empty()) {
nameSuffix += wxT("_");
}
nameSuffix += wxDateTime::Now().FormatISOTime();
}
// ISO standard would be nice, but ":" is unsafe for file name.
nameSuffix.Replace(wxT(":"), wxT("-"));
if (baseTrackName.empty()) {
newTrack->SetName(nameSuffix);
}
else if (nameSuffix.empty()) {
newTrack->SetName(baseTrackName);
}
else {
newTrack->SetName(baseTrackName + wxT("_") + nameSuffix);
}
if ((recordingChannels > 2) &&
!(ProjectSettings::Get(*p).GetTracksFitVerticallyZoomed())) {
newTrack->SetMinimized(true);
}
TrackList::Get( *p ).RegisterPendingNewTrack( newTrack );
transportTracks.captureTracks.push_back(newTrack);
// Bug 1548. New track needs the focus.
TrackPanel::Get( *p ).SetFocusedTrack( newTrack.get() );
}
TrackList::Get( *p ).GroupChannels(*first, recordingChannels);
}
//Automated Input Level Adjustment Initialization
#ifdef EXPERIMENTAL_AUTOMATED_INPUT_LEVEL_ADJUSTMENT
gAudioIO->AILAInitialize();
#endif
int token = gAudioIO->StartStream(transportTracks, t0, t1, options);
success = (token != 0);
if (success) {
ProjectAudioIO::Get( *p ).SetAudioIOToken(token);
mBusyProject = p;
StartScrollingIfPreferred();
}
else {
CancelRecording();
// Show error message if stream could not be opened
wxString msg = wxString::Format(_("Error opening recording device.\nError code: %s"), gAudioIO->LastPaErrorString());
auto &window = ProjectWindow::Get( *::GetActiveProject() );
ShowErrorDialog( &window, _("Error"), msg, wxT("Error_opening_sound_device") );
}
}
return success;
}
void TransportState::SetupCutPreviewTracks(double WXUNUSED(playStart), double cutStart,
double cutEnd, double WXUNUSED(playEnd))
// STRONG-GUARANTEE (for state of mCutPreviewTracks)
{
ClearCutPreviewTracks();
AudacityProject *p = GetActiveProject();
if (p) {
auto trackRange = TrackList::Get( *p ).Selected<const PlayableTrack>();
if( !trackRange.empty() ) {
auto cutPreviewTracks = TrackList::Create();
for (const auto track1 : trackRange) {
// Duplicate and change tracks
// Clear has a very small chance of throwing
auto newTrack = track1->Duplicate();
newTrack->Clear(cutStart, cutEnd);
cutPreviewTracks->Add( newTrack );
}
// use NOTHROW-GUARANTEE:
mCutPreviewTracks = cutPreviewTracks;
}
}
}
void TransportState::ClearCutPreviewTracks()
{
if (mCutPreviewTracks)
mCutPreviewTracks->Clear();
mCutPreviewTracks.reset();
}
bool TransportState::IsTransportingPinned()
{
if (!TracksPrefs::GetPinnedHeadPreference())
return false;
const auto &scrubber = Scrubber::Get( *::GetActiveProject() );
return
!(scrubber.HasMark() &&
!scrubber.WasSpeedPlaying() &&
!Scrubber::ShouldScrubPinned());
}
void TransportState::StartScrollingIfPreferred()
{
if (IsTransportingPinned())
StartScrolling();
#ifdef __WXMAC__
else if (Scrubber::Get ( *::GetActiveProject() ).HasMark()) {
// PRL: cause many "unnecessary" refreshes. For reasons I don't understand,
// doing this causes wheel rotation events (mapped from the double finger vertical
// swipe) to be delivered more uniformly to the application, so that speed control
// works better.
auto &window = ProjectWindow::Get( *::GetActiveProject() );
window.GetPlaybackScroller().Activate
(ProjectWindow::PlaybackScroller::Mode::Refresh);
}
#endif
else
StopScrolling();
}
void TransportState::StartScrolling()
{
using Mode = ProjectWindow::PlaybackScroller::Mode;
const auto project = GetActiveProject();
if (project) {
auto mode = Mode::Pinned;
#if 0
// Enable these lines to pin the playhead right instead of center,
// when recording but not overdubbing.
if (gAudioIO->GetNumCaptureChannels() > 0) {
// recording
// 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.
bool duplex;
#ifdef EXPERIMENTAL_DA
gPrefs->Read(wxT("/AudioIO/Duplex"), &duplex, false);
#else
gPrefs->Read(wxT("/AudioIO/Duplex"), &duplex, true);
#endif
if (duplex) {
// See if there is really anything being overdubbed
if (gAudioIO->GetNumPlaybackChannels() == 0)
// No.
duplex = false;
}
if (!duplex)
mode = Mode::Right;
}
#endif
auto &window = ProjectWindow::Get( *project );
window.GetPlaybackScroller().Activate(mode);
}
}
void TransportState::StopScrolling()
{
const auto project = GetActiveProject();
if(project) {
auto &window = ProjectWindow::Get( *project );
window.GetPlaybackScroller().Activate
(ProjectWindow::PlaybackScroller::Mode::Off);
}
}
void TransportState::CommitRecording()
{
const auto project = GetActiveProject();
TrackList::Get( *project ).ApplyPendingTracks();
}
void TransportState::CancelRecording()
{
const auto project = GetActiveProject();
TrackList::Get( *project ).ClearPendingTracks();
}