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Code Issues Releases Wiki Activity

More exception handling; incidentally implement TimeTrack copy/paste

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This commit is contained in:
Paul Licameli 2017-03-31 18:19:24 -04:00
commit a23d6e2368
20 changed files with 352 additions and 225 deletions
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15
src/AudacityException.cpp
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@ -50,6 +50,21 @@ MessageBoxException::~MessageBoxException()
wxAtomicDec( sOutstandingMessages );
}
SimpleMessageBoxException::~SimpleMessageBoxException()
{
}
wxString SimpleMessageBoxException::ErrorMessage() const
{
return message;
}
std::unique_ptr< AudacityException > SimpleMessageBoxException::Move()
{
return std::unique_ptr< AudacityException >
{ safenew SimpleMessageBoxException{ std::move( *this ) } };
}
// This is meant to be invoked via wxEvtHandler::CallAfter
void MessageBoxException::DelayedHandlerAction()
{

24
src/AudacityException.h
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@ -69,6 +69,30 @@ private:
mutable bool moved { false };
};
// MessageBoxException that shows a given, unvarying string.
class SimpleMessageBoxException /* not final */ : public MessageBoxException
{
public:
explicit SimpleMessageBoxException( const wxString &message_,
const wxString &caption = wxString{} )
: MessageBoxException{ caption }
, message{ message_ }
{}
~SimpleMessageBoxException() override;
SimpleMessageBoxException( const SimpleMessageBoxException& ) = default;
SimpleMessageBoxException &operator = (
SimpleMessageBoxException && ) PROHIBITED;
std::unique_ptr< AudacityException > Move() override;
// Format a default, internationalized error message for this exception.
virtual wxString ErrorMessage() const override;
private:
wxString message;
};
struct DefaultDelayedHandlerAction
{
void operator () (AudacityException *pException) const

19
src/Benchmark.cpp
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@ -337,11 +337,14 @@ void BenchmarkDialog::OnRun( wxCommandEvent & WXUNUSED(event))
// Rememebr the old blocksize, so that we can restore it later.
auto oldBlockSize = Sequence::GetMaxDiskBlockSize();
const auto cleanup = finally([=]
{ Sequence::SetMaxDiskBlockSize(oldBlockSize); }
);
Sequence::SetMaxDiskBlockSize(blockSize * 1024);
const auto cleanup = finally( [&] {
Sequence::SetMaxDiskBlockSize(oldBlockSize);
gPrefs->Write(wxT("/GUI/EditClipCanMove"), editClipCanMove);
gPrefs->Flush();
} );
wxBusyCursor busy;
HoldPrint(true);
@ -426,8 +429,11 @@ void BenchmarkDialog::OnRun( wxCommandEvent & WXUNUSED(event))
if (mEditDetail)
Printf(wxT("Cut: %d - %d \n"), x0 * chunkSize, (x0 + xlen) * chunkSize);
auto tmp = t->Cut(double (x0 * chunkSize), double ((x0 + xlen) * chunkSize));
if (!tmp) {
Track::Holder tmp;
try {
tmp = t->Cut(double (x0 * chunkSize), double ((x0 + xlen) * chunkSize));
}
catch (const AudacityException&) {
Printf(wxT("Trial %d\n"), z);
Printf(wxT("Cut (%d, %d) failed.\n"), (x0 * chunkSize),
(x0 + xlen) * chunkSize);
@ -540,7 +546,4 @@ void BenchmarkDialog::OnRun( wxCommandEvent & WXUNUSED(event))
Printf(wxT("Benchmark completed successfully.\n"));
HoldPrint(false);
gPrefs->Write(wxT("/GUI/EditClipCanMove"), editClipCanMove);
gPrefs->Flush();
}

2
src/FileException.h
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@ -22,7 +22,7 @@ public:
const wxString &caption = wxString{},
const wxFileName &renameTarget_ = {})
: MessageBoxException{ caption }
, fileName{ fileName_ }, cause{ cause_ }, renameTarget{ renameTarget_ }
, cause{ cause_ }, fileName{ fileName_ }, renameTarget{ renameTarget_ }
{}
FileException(FileException&& that)

9
src/LabelTrack.cpp
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@ -2339,10 +2339,10 @@ bool LabelTrack::Save(wxTextFile * out, bool overwrite)
Track::Holder LabelTrack::Cut(double t0, double t1)
{
auto tmp = Copy(t0, t1);
if (!tmp)
return{};
if (!Clear(t0, t1))
return{};
//THROW_INCONSISTENCY_EXCEPTION
;
return tmp;
}
@ -2353,8 +2353,7 @@ Track::Holder LabelTrack::SplitCut(double t0, double t1)
// SplitCut() == Copy() + SplitDelete()
Track::Holder tmp = Copy(t0, t1);
if (!tmp)
return {};
if (!SplitDelete(t0, t1))
return {};

136
src/Menus.cpp
View File

@ -4177,8 +4177,7 @@ void AudacityProject::OnCut()
dest = n->Copy(mViewInfo.selectedRegion.t0(),
mViewInfo.selectedRegion.t1());
if (dest)
FinishCopy(n, std::move(dest), newClipboard);
FinishCopy(n, std::move(dest), newClipboard);
}
n = iter.Next();
}
@ -4309,8 +4308,7 @@ void AudacityProject::OnCopy()
if (n->GetSelected()) {
auto dest = n->Copy(mViewInfo.selectedRegion.t0(),
mViewInfo.selectedRegion.t1());
if (dest)
FinishCopy(n, std::move(dest), newClipboard);
FinishCopy(n, std::move(dest), newClipboard);
}
n = iter.Next();
}
@ -4351,31 +4349,29 @@ void AudacityProject::OnPaste()
if (c == NULL)
return;
Track *ff = NULL;
const Track *tmpSrc = NULL;
const Track *tmpC = NULL;
const Track *prev = NULL;
const Track *lastClipBeforeMismatch = NULL;
const Track *mismatchedClip = NULL;
const Track *prevClip = NULL;
bool bAdvanceClipboard = true;
bool bPastedSomething = false;
bool bTrackTypeMismatch = false;
while (n && c) {
if (n->GetSelected()) {
bAdvanceClipboard = true;
if (tmpC)
c = tmpC;
if (mismatchedClip)
c = mismatchedClip;
if (c->GetKind() != n->GetKind()) {
if (!bTrackTypeMismatch) {
tmpSrc = prev;
tmpC = c;
if (!mismatchedClip) {
lastClipBeforeMismatch = prevClip;
mismatchedClip = c;
}
bTrackTypeMismatch = true;
bAdvanceClipboard = false;
c = tmpSrc;
c = lastClipBeforeMismatch;
// If the types still don't match...
while (c && c->GetKind() != n->GetKind()) {
prev = c;
prevClip = c;
c = clipIter.Next();
}
}
@ -4383,7 +4379,7 @@ void AudacityProject::OnPaste()
// Handle case where the first track in clipboard
// is of different type than the first selected track
if (!c) {
c = tmpC;
c = mismatchedClip;
while (n && (c->GetKind() != n->GetKind() || !n->GetSelected()))
{
// Must perform sync-lock adjustment before incrementing n
@ -4399,39 +4395,40 @@ void AudacityProject::OnPaste()
// The last possible case for cross-type pastes: triggered when we try to
// paste 1+ tracks from one type into 1+ tracks of another type. If
// there's a mix of types, this shouldn't run.
if (!c) {
wxMessageBox(
_("Pasting one type of track into another is not allowed."),
_("Error"), wxICON_ERROR, this);
c = n;//so we don't trigger any !c conditions on our way out
break;
}
if (!c)
// Throw, so that any previous changes to the project in this loop
// are discarded.
throw SimpleMessageBoxException{
_("Pasting one type of track into another is not allowed.")
};
// When trying to copy from stereo to mono track, show error and exit
// TODO: Automatically offer user to mix down to mono (unfortunately
// this is not easy to implement
if (c->GetLinked() && !n->GetLinked())
{
wxMessageBox(
_("Copying stereo audio into a mono track is not allowed."),
_("Error"), wxICON_ERROR, this);
break;
}
// Throw, so that any previous changes to the project in this loop
// are discarded.
throw SimpleMessageBoxException{
_("Copying stereo audio into a mono track is not allowed.")
};
if (!ff)
ff = n;
Maybe<WaveTrack::Locker> locker;
if (msClipProject != this && c->GetKind() == Track::Wave)
// Cause duplication of block files on disk, when copy is
// between projects
locker.create(static_cast<const WaveTrack*>(c));
if (c->GetKind() == Track::Wave && n && n->GetKind() == Track::Wave)
wxASSERT( n && c );
if (c->GetKind() == Track::Wave && n->GetKind() == Track::Wave)
{
bPastedSomething |=
((WaveTrack*)n)->ClearAndPaste(t0, t1, (WaveTrack*)c, true, true);
}
else if (c->GetKind() == Track::Label &&
n && n->GetKind() == Track::Label)
n->GetKind() == Track::Label)
{
((LabelTrack *)n)->Clear(t0, t1);
@ -4444,6 +4441,7 @@ void AudacityProject::OnPaste()
}
else
{
n->Clear(t0, t1);
bPastedSomething |= n->Paste(t0, c);
}
@ -4464,7 +4462,7 @@ void AudacityProject::OnPaste()
}
if (bAdvanceClipboard){
prev = c;
prevClip = c;
c = clipIter.Next();
}
} // if (n->GetSelected())
@ -4487,7 +4485,8 @@ void AudacityProject::OnPaste()
while (n) {
if (n->GetSelected() && n->GetKind()==Track::Wave) {
if (c && c->GetKind() == Track::Wave) {
if (c) {
wxASSERT(c->GetKind() == Track::Wave);
bPastedSomething |=
((WaveTrack *)n)->ClearAndPaste(t0, t1, (WaveTrack *)c, true, true);
}
@ -4598,29 +4597,40 @@ bool AudacityProject::HandlePasteNothingSelected()
while (pClip) {
Maybe<WaveTrack::Locker> locker;
if ((msClipProject != this) && (pClip->GetKind() == Track::Wave))
// Cause duplication of block files on disk, when copy is
// between projects
locker.create(static_cast<const WaveTrack*>(pClip));
Track::Holder pNewTrack;
Track::Holder uNewTrack;
Track *pNewTrack;
switch (pClip->GetKind()) {
case Track::Wave:
{
WaveTrack *w = (WaveTrack *)pClip;
pNewTrack = mTrackFactory->NewWaveTrack(w->GetSampleFormat(), w->GetRate());
uNewTrack = mTrackFactory->NewWaveTrack(w->GetSampleFormat(), w->GetRate()),
pNewTrack = uNewTrack.get();
}
break;
#ifdef USE_MIDI
case Track::Note:
pNewTrack = mTrackFactory->NewNoteTrack();
uNewTrack = mTrackFactory->NewNoteTrack(),
pNewTrack = uNewTrack.get();
break;
#endif // USE_MIDI
case Track::Label:
pNewTrack = mTrackFactory->NewLabelTrack();
uNewTrack = mTrackFactory->NewLabelTrack(),
pNewTrack = uNewTrack.get();
break;
case Track::Time:
pNewTrack = mTrackFactory->NewTimeTrack();
case Track::Time: {
// Maintain uniqueness of the time track!
pNewTrack = GetTracks()->GetTimeTrack();
if (!pNewTrack)
uNewTrack = mTrackFactory->NewTimeTrack(),
pNewTrack = uNewTrack.get();
break;
}
default:
pClip = iterClip.Next();
continue;
@ -4632,10 +4642,13 @@ bool AudacityProject::HandlePasteNothingSelected()
wxUnusedVar(bResult);
if (!pFirstNewTrack)
pFirstNewTrack = pNewTrack.get();
pFirstNewTrack = pNewTrack;
pNewTrack->SetSelected(true);
FinishCopy(pClip, std::move(pNewTrack), *mTracks);
if (uNewTrack)
FinishCopy(pClip, std::move(uNewTrack), *mTracks);
else
FinishCopy(pClip, pNewTrack);
pClip = iterClip.Next();
}
@ -4899,11 +4912,9 @@ void AudacityProject::OnDuplicate()
// Make copies not for clipboard but for direct addition to the project
auto dest = n->Copy(mViewInfo.selectedRegion.t0(),
mViewInfo.selectedRegion.t1(), false);
if (dest) {
dest->Init(*n);
dest->SetOffset(wxMax(mViewInfo.selectedRegion.t0(), n->GetOffset()));
mTracks->Add(std::move(dest));
}
dest->Init(*n);
dest->SetOffset(wxMax(mViewInfo.selectedRegion.t0(), n->GetOffset()));
mTracks->Add(std::move(dest));
}
if (n == l) {
@ -5114,22 +5125,19 @@ void AudacityProject::OnSplit()
double sel0 = mViewInfo.selectedRegion.t0();
double sel1 = mViewInfo.selectedRegion.t1();
dest = NULL;
n->Copy(sel0, sel1, &dest);
if (dest) {
dest->Init(*n);
dest->SetOffset(wxMax(sel0, n->GetOffset()));
dest = n->Copy(sel0, sel1);
dest->Init(*n);
dest->SetOffset(wxMax(sel0, n->GetOffset()));
if (sel1 >= n->GetEndTime())
n->Clear(sel0, sel1);
else if (sel0 <= n->GetOffset()) {
n->Clear(sel0, sel1);
n->SetOffset(sel1);
} else
n->Silence(sel0, sel1);
if (sel1 >= n->GetEndTime())
n->Clear(sel0, sel1);
else if (sel0 <= n->GetOffset()) {
n->Clear(sel0, sel1);
n->SetOffset(sel1);
} else
n->Silence(sel0, sel1);
newTracks.Add(dest);
}
newTracks.Add(dest);
}
n = iter.Next();
}
@ -5175,10 +5183,8 @@ void AudacityProject::OnSplitNew()
mViewInfo.selectedRegion.t1());
}
#endif
if (dest) {
dest->SetOffset(wxMax(newt0, offset));
FinishCopy(n, std::move(dest), *mTracks);
}
dest->SetOffset(wxMax(newt0, offset));
FinishCopy(n, std::move(dest), *mTracks);
}
if (n == l) {

18
src/NoteTrack.cpp
View File

@ -435,7 +435,8 @@ int NoteTrack::GetVisibleChannels()
Track::Holder NoteTrack::Cut(double t0, double t1)
{
if (t1 <= t0)
return{};
//THROW_INCONSISTENCY_EXCEPTION
;
double len = t1-t0;
auto newTrack = std::make_unique<NoteTrack>(mDirManager);
@ -457,7 +458,8 @@ Track::Holder NoteTrack::Cut(double t0, double t1)
Track::Holder NoteTrack::Copy(double t0, double t1, bool) const
{
if (t1 <= t0)
return{};
//THROW_INCONSISTENCY_EXCEPTION
;
double len = t1-t0;
auto newTrack = std::make_unique<NoteTrack>(mDirManager);
@ -534,6 +536,18 @@ bool NoteTrack::Paste(double t, const Track *src)
return true;
}
bool NoteTrack::Silence(double, double)
{
// to do
return false;
}
bool NoteTrack::InsertSilence(double, double)
{
// to do
return false;
}
// Call this function to manipulate the underlying sequence data. This is
// NOT the function that handles horizontal dragging.
bool NoteTrack::Shift(double t) // t is always seconds

2
src/NoteTrack.h
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@ -105,6 +105,8 @@ class AUDACITY_DLL_API NoteTrack final
bool Trim (double t0, double t1) /* not override */;
bool Clear(double t0, double t1) override;
bool Paste(double t, const Track *src) override;
bool Silence(double t0, double t1) override;
bool InsertSilence(double t, double len) override;
bool Shift(double t) /* not override */;
#ifdef EXPERIMENTAL_MIDI_OUT

8
src/Sequence.cpp
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@ -438,7 +438,8 @@ std::unique_ptr<Sequence> Sequence::Copy(sampleCount s0, sampleCount s1) const
}
if (! ConsistencyCheck(wxT("Sequence::Copy()")))
return {};
//THROW_INCONSISTENCY_EXCEPTION
;
return dest;
}
@ -1114,6 +1115,7 @@ int Sequence::FindBlock(sampleCount pos) const
return rval;
}
//static
bool Sequence::Read(samplePtr buffer, sampleFormat format,
const SeqBlock &b, size_t blockRelativeStart, size_t len,
bool mayThrow)
@ -1298,7 +1300,7 @@ struct MinMaxSumsq
}
bool Sequence::GetWaveDisplay(float *min, float *max, float *rms, int* bl,
size_t len, const sampleCount *where)
size_t len, const sampleCount *where) const
{
wxASSERT(len > 0);
const auto s0 = std::max(sampleCount(0), where[0]);
@ -1333,7 +1335,7 @@ bool Sequence::GetWaveDisplay(float *min, float *max, float *rms, int* bl,
// Find the range of sample values for this block that
// are in the display.
SeqBlock &seqBlock = mBlock[b];
const SeqBlock &seqBlock = mBlock[b];
const auto start = seqBlock.start;
nextSrcX = std::min(s1, start + seqBlock.f->GetLength());

2
src/Sequence.h
View File

@ -101,7 +101,7 @@ class PROFILE_DLL_API Sequence final : public XMLTagHandler{
// bl is negative wherever data are not yet available.
// Return true if successful.
bool GetWaveDisplay(float *min, float *max, float *rms, int* bl,
size_t len, const sampleCount *where);
size_t len, const sampleCount *where) const;
std::unique_ptr<Sequence> Copy(sampleCount s0, sampleCount s1) const;
bool Paste(sampleCount s0, const Sequence *src);

51
src/TimeTrack.cpp
View File

@ -63,20 +63,24 @@ TimeTrack::TimeTrack(const std::shared_ptr<DirManager> &projDirManager, const Zo
blankPen.SetColour(214, 214, 214);
}
TimeTrack::TimeTrack(const TimeTrack &orig):
Track(orig)
TimeTrack::TimeTrack(const TimeTrack &orig, double *pT0, double *pT1)
: Track(orig)
, mZoomInfo(orig.mZoomInfo)
{
Init(orig); // this copies the TimeTrack metadata (name, range, etc)
///@TODO: Give Envelope:: a copy-constructor instead of this?
mEnvelope = std::make_unique<Envelope>();
mEnvelope->Flatten(1.0);
mEnvelope->SetTrackLen(DBL_MAX);
SetInterpolateLog(orig.GetInterpolateLog()); // this calls Envelope::SetInterpolateDB
mEnvelope->Flatten(1.0);
mEnvelope->SetOffset(0);
mEnvelope->SetRange(orig.mEnvelope->GetMinValue(), orig.mEnvelope->GetMaxValue());
mEnvelope->Paste(0.0, orig.mEnvelope.get());
if ( pT0 && pT1 )
// restricted copy
mEnvelope->CopyFrom(orig.mEnvelope.get(), *pT0, *pT1);
else
mEnvelope->Paste(0.0, orig.mEnvelope.get());
///@TODO: Give Ruler:: a copy-constructor instead of this?
mRuler = std::make_unique<Ruler>();
@ -103,6 +107,45 @@ TimeTrack::~TimeTrack()
{
}
Track::Holder TimeTrack::Cut( double t0, double t1 )
{
auto result = Copy( t0, t1, false );
Clear( t0, t1 );
return result;
}
Track::Holder TimeTrack::Copy( double t0, double t1, bool ) const
{
auto result = std::make_unique<TimeTrack>( *this, &t0, &t1 );
return Track::Holder{ std::move( result ) };
}
bool TimeTrack::Clear(double t0, double t1)
{
mEnvelope->CollapseRegion(t0, t1);
return true;
}
bool TimeTrack::Paste(double t, const Track * src)
{
if (src->GetKind() != Track::Time)
return false;
mEnvelope->Paste(t, static_cast<const TimeTrack*>(src)->mEnvelope.get());
return true;
}
bool TimeTrack::Silence(double t0, double t1)
{
return true;
}
bool TimeTrack::InsertSilence(double t, double len)
{
mEnvelope->InsertSpace(t, len);
return true;
}
Track::Holder TimeTrack::Duplicate() const
{
return std::make_unique<TimeTrack>(*this);

11
src/TimeTrack.h
View File

@ -34,11 +34,20 @@ class TimeTrack final : public Track {
* Envelope:: and Ruler:: members in order to copy one to the other - unfortunately both lack a
* copy-constructor to encapsulate this.
* @param orig The original track to copy from
* @param pT0 if not null, then the start of the sub-range to copy
* @param pT1 if not null, then the end of the sub-range to copy
*/
TimeTrack(const TimeTrack &orig);
TimeTrack(const TimeTrack &orig, double *pT0 = nullptr, double *pT1 = nullptr);
virtual ~TimeTrack();
Holder Cut( double t0, double t1 ) override;
Holder Copy( double t0, double t1, bool forClipboard ) const override;
bool Clear(double t0, double t1) override;
bool Paste(double t, const Track * src) override;
bool Silence(double t0, double t1) override;
bool InsertSilence(double t, double len) override;
// Identifying the type of track
int GetKind() const override { return Time; }

1
src/Track.cpp
View File

@ -309,7 +309,6 @@ bool Track::SyncLockAdjust(double oldT1, double newT1)
return true;
auto tmp = Cut(oldT1, GetEndTime());
if (!tmp) return false;
bool ret = Paste(newT1, tmp.get());
wxASSERT(ret); // TODO: handle this.

19
src/Track.h
View File

@ -206,28 +206,29 @@ class AUDACITY_DLL_API Track /* not final */ : public XMLTagHandler
// separate from the Track.
const std::shared_ptr<DirManager> &GetDirManager() const { return mDirManager; }
// Create a NEW track and modify this track (or return null for failure)
virtual Holder Cut(double WXUNUSED(t0), double WXUNUSED(t1)) { return{}; }
// Create a NEW track and modify this track
// Return non-NULL or else throw
virtual Holder Cut(double WXUNUSED(t0), double WXUNUSED(t1)) = 0;
// Create a NEW track and don't modify this track (or return null for failure)
// Create a NEW track and don't modify this track
// Return non-NULL or else throw
// Note that subclasses may want to distinguish tracks stored in a clipboard
// from those stored in a project
virtual Holder Copy
(double WXUNUSED(t0), double WXUNUSED(t1), bool forClipboard = true) const
{ return{}; }
(double WXUNUSED(t0), double WXUNUSED(t1), bool forClipboard = true) const = 0;
// Return true for success
virtual bool Clear(double WXUNUSED(t0), double WXUNUSED(t1)) {return false;}
virtual bool Clear(double WXUNUSED(t0), double WXUNUSED(t1)) = 0;
// Return true for success
virtual bool Paste(double WXUNUSED(t), const Track * WXUNUSED(src)) {return false;}
virtual bool Paste(double WXUNUSED(t), const Track * WXUNUSED(src)) = 0;
// This can be used to adjust a sync-lock selected track when the selection
// is replaced by one of a different length.
virtual bool SyncLockAdjust(double oldT1, double newT1);
virtual bool Silence(double WXUNUSED(t0), double WXUNUSED(t1)) {return false;}
virtual bool InsertSilence(double WXUNUSED(t), double WXUNUSED(len)) {return false;}
virtual bool Silence(double WXUNUSED(t0), double WXUNUSED(t1)) = 0;
virtual bool InsertSilence(double WXUNUSED(t), double WXUNUSED(len)) = 0;
virtual int GetKind() const { return None; }

81
src/WaveClip.cpp
View File

@ -1539,6 +1539,7 @@ void WaveClip::WriteXML(XMLWriter &xmlFile) const
}
bool WaveClip::Paste(double t0, const WaveClip* other)
// STRONG-GUARANTEE
{
const bool clipNeedsResampling = other->mRate != mRate;
const bool clipNeedsNewFormat =
@ -1558,34 +1559,42 @@ bool WaveClip::Paste(double t0, const WaveClip* other)
// Force sample formats to match.
newClip->ConvertToSampleFormat(mSequence->GetSampleFormat());
pastedClip = newClip.get();
} else
}
else
{
// No resampling or format change needed, just use original clip without making a copy
pastedClip = other;
}
// Paste cut lines contained in pasted clip
WaveClipHolders newCutlines;
for (const auto &cutline: pastedClip->mCutLines)
{
newCutlines.push_back(
make_movable<WaveClip>
( *cutline, mSequence->GetDirManager(),
// Recursively copy cutlines of cutlines. They don't need
// their offsets adjusted.
true));
newCutlines.back()->Offset(t0 - mOffset);
}
sampleCount s0;
TimeToSamplesClip(t0, &s0);
bool result = false;
// Assume STRONG-GUARANTEE from Sequence::Paste
if (mSequence->Paste(s0, pastedClip->mSequence.get()))
{
// Assume NOFAIL-GUARANTEE in the remaining
MarkChanged();
mEnvelope->Paste(s0.as_double()/mRate + mOffset, pastedClip->mEnvelope.get());
mEnvelope->RemoveUnneededPoints();
OffsetCutLines(t0, pastedClip->GetEndTime() - pastedClip->GetStartTime());
// Paste cut lines contained in pasted clip
for (const auto &cutline: pastedClip->mCutLines)
{
mCutLines.push_back(
make_movable<WaveClip>
( *cutline, mSequence->GetDirManager(),
// Recursively copy cutlines of cutlines. They don't need
// their offsets adjusted.
true));
mCutLines.back()->Offset(t0 - mOffset);
}
for (auto &holder : newCutlines)
mCutLines.push_back(std::move(holder));
result = true;
}
@ -1727,7 +1736,7 @@ bool WaveClip::ClearAndAddCutLine(double t0, double t1)
bool WaveClip::FindCutLine(double cutLinePosition,
double* cutlineStart /* = NULL */,
double* cutlineEnd /* = NULL */)
double* cutlineEnd /* = NULL */) const
{
for (const auto &cutline: mCutLines)
{
@ -1745,28 +1754,33 @@ bool WaveClip::FindCutLine(double cutLinePosition,
}
bool WaveClip::ExpandCutLine(double cutLinePosition)
// STRONG-GUARANTEE
{
for (auto it = mCutLines.begin(); it != mCutLines.end(); ++it)
{
WaveClip *const cutline = it->get();
if (fabs(mOffset + cutline->GetOffset() - cutLinePosition) < 0.0001)
{
if (!Paste(mOffset+cutline->GetOffset(), cutline))
return false;
// Now erase the cutline,
// but be careful to find it again, because Paste above may
// have modified the array of cutlines (if our cutline contained
// another cutline!), invalidating the iterator we had.
auto begin = mCutLines.begin(), end = mCutLines.end();
it = std::find_if(begin, end,
[=](decltype(*begin) &p){ return p.get() == cutline; });
if (it != end)
mCutLines.erase(it); // deletes cutline!
else {
wxASSERT(false);
}
return true;
auto end = mCutLines.end();
auto it = std::find_if( mCutLines.begin(), end,
[&](const WaveClipHolder &cutline) {
return fabs(mOffset + cutline->GetOffset() - cutLinePosition) < 0.0001;
} );
if ( it != end ) {
auto cutline = it->get();
// assume STRONG-GUARANTEE from Paste
if (!Paste(mOffset+cutline->GetOffset(), cutline))
return false;
// Now erase the cutline,
// but be careful to find it again, because Paste above may
// have modified the array of cutlines (if our cutline contained
// another cutline!), invalidating the iterator we had.
end = mCutLines.end();
it = std::find_if(mCutLines.begin(), end,
[=](const WaveClipHolder &p) { return p.get() == cutline; });
if (it != end)
mCutLines.erase(it); // deletes cutline!
else {
// THROW_INCONSISTENCY_EXCEPTION;
wxASSERT(false);
}
return true;
}
return false;
@ -1788,6 +1802,7 @@ bool WaveClip::RemoveCutLine(double cutLinePosition)
}
void WaveClip::OffsetCutLines(double t0, double len)
// NOFAIL-GUARANTEE
{
for (const auto &cutLine : mCutLines)
{

5
src/WaveClip.h
View File

@ -141,7 +141,8 @@ public:
class WaveClip;
// Array of pointers that assume ownership
using WaveClipHolders = std::vector < movable_ptr< WaveClip > >;
using WaveClipHolder = movable_ptr< WaveClip >;
using WaveClipHolders = std::vector < WaveClipHolder >;
using WaveClipConstHolders = std::vector < movable_ptr< const WaveClip > >;
// Temporary arrays of mere pointers
@ -331,7 +332,7 @@ public:
* position could be found. Return false otherwise. */
bool FindCutLine(double cutLinePosition,
double* cutLineStart = NULL,
double *cutLineEnd = NULL);
double *cutLineEnd = NULL) const;
/** Expand cut line (that is, re-insert audio, then DELETE audio saved in
* cut line). Returns true if a cut line could be found and sucessfully

124
src/WaveTrack.cpp
View File

@ -532,15 +532,14 @@ bool WaveTrack::IsEmpty(double t0, double t1) const
Track::Holder WaveTrack::Cut(double t0, double t1)
{
if (t1 < t0)
return{};
// THROW_INCONSISTENCY_EXCEPTION
;
auto tmp = Copy(t0, t1);
if (!tmp)
return{};
if (!Clear(t0, t1))
return{};
// THROW_INCONSISTENCY_EXCEPTION
;
return tmp;
}
@ -548,14 +547,15 @@ Track::Holder WaveTrack::Cut(double t0, double t1)
Track::Holder WaveTrack::SplitCut(double t0, double t1)
{
if (t1 < t0)
return{};
//THROW_INCONSISTENCY_EXCEPTION
;
// SplitCut is the same as 'Copy', then 'SplitDelete'
auto tmp = Copy(t0, t1);
if (!tmp)
return{};
if (!SplitDelete(t0, t1))
return{};
//THROW_INCONSISTENCY_EXCEPTION
;
return tmp;
}
@ -564,14 +564,15 @@ Track::Holder WaveTrack::SplitCut(double t0, double t1)
Track::Holder WaveTrack::CutAndAddCutLine(double t0, double t1)
{
if (t1 < t0)
return {};
//THROW_INCONSISTENCY_EXCEPTION
;
// Cut is the same as 'Copy', then 'Delete'
auto tmp = Copy(t0, t1);
if (!tmp)
return {};
if (!ClearAndAddCutLine(t0, t1))
return {};
//THROW_INCONSISTENCY_EXCEPTION
;
return tmp;
}
@ -636,7 +637,8 @@ bool WaveTrack::Trim (double t0, double t1)
Track::Holder WaveTrack::Copy(double t0, double t1, bool forClipboard) const
{
if (t1 <= t0)
return{};
//THROW_INCONSISTENCY_EXCEPTION
;
WaveTrack *newTrack;
Track::Holder result
@ -1166,8 +1168,6 @@ bool WaveTrack::SyncLockAdjust(double oldT1, double newT1)
gPrefs->Read(wxT("/GUI/EditClipCanMove"), &clipsCanMove);
if (clipsCanMove) {
auto tmp = Cut (oldT1, GetEndTime() + 1.0/GetRate());
if (!tmp)
return false;
ret = Paste(newT1, tmp.get());
wxASSERT(ret);
@ -1202,6 +1202,7 @@ bool WaveTrack::SyncLockAdjust(double oldT1, double newT1)
}
bool WaveTrack::Paste(double t0, const Track *src)
// WEAK-GUARANTEE
{
bool editClipCanMove = true;
gPrefs->Read(wxT("/GUI/EditClipCanMove"), &editClipCanMove);
@ -1287,7 +1288,8 @@ bool WaveTrack::Paste(double t0, const Track *src)
insideClip = clip.get();
break;
}
} else
}
else
{
// If clips are immovable we also allow prepending to clips
if (clip->WithinClip(t0) ||
@ -1312,12 +1314,11 @@ bool WaveTrack::Paste(double t0, const Track *src)
if (clip->GetStartTime() > insideClip->GetStartTime() &&
insideClip->GetEndTime() + insertDuration >
clip->GetStartTime())
{
wxMessageBox(
_("There is not enough room available to paste the selection"),
_("Error"), wxICON_STOP);
return false;
}
// STRONG-GUARANTEE in case of this path
// not that it matters.
throw SimpleMessageBoxException{
_("There is not enough room available to paste the selection")
};
}
}
@ -1331,12 +1332,11 @@ bool WaveTrack::Paste(double t0, const Track *src)
//printf("paste: multi clip mode!\n");
if (!editClipCanMove && !IsEmpty(t0, t0+insertDuration-1.0/mRate))
{
wxMessageBox(
_("There is not enough room available to paste the selection"),
_("Error"), wxICON_STOP);
return false;
}
// STRONG-GUARANTEE in case of this path
// not that it matters.
throw SimpleMessageBoxException{
_("There is not enough room available to paste the selection")
};
for (const auto &clip : other->mClips)
{
@ -2447,50 +2447,52 @@ void WaveTrack::UpdateLocationsCache() const
// Expand cut line (that is, re-insert audio, then DELETE audio saved in cut line)
bool WaveTrack::ExpandCutLine(double cutLinePosition, double* cutlineStart,
double* cutlineEnd)
// STRONG-GUARANTEE
{
bool editClipCanMove = true;
gPrefs->Read(wxT("/GUI/EditClipCanMove"), &editClipCanMove);
// Find clip which contains this cut line
for (const auto &clip : mClips)
double start = 0, end = 0;
auto pEnd = mClips.end();
auto pClip = std::find_if( mClips.begin(), pEnd,
[&](const WaveClipHolder &clip) {
return clip->FindCutLine(cutLinePosition, &start, &end); } );
if (pClip != pEnd)
{
double start = 0, end = 0;
if (clip->FindCutLine(cutLinePosition, &start, &end))
auto &clip = *pClip;
if (!editClipCanMove)
{
if (!editClipCanMove)
// We are not allowed to move the other clips, so see if there
// is enough room to expand the cut line
for (const auto &clip2: mClips)
{
// We are not allowed to move the other clips, so see if there
// is enough room to expand the cut line
for (const auto &clip2: mClips)
{
if (clip2->GetStartTime() > clip->GetStartTime() &&
clip->GetEndTime() + end - start > clip2->GetStartTime())
{
wxMessageBox(
_("There is not enough room available to expand the cut line"),
_("Error"), wxICON_STOP);
return false;
}
}
}
if (clip2->GetStartTime() > clip->GetStartTime() &&
clip->GetEndTime() + end - start > clip2->GetStartTime())
// STRONG-GUARANTEE in case of this path
throw SimpleMessageBoxException{
_("There is not enough room available to expand the cut line")
};
}
}
if (!clip->ExpandCutLine(cutLinePosition))
return false;
if (!clip->ExpandCutLine(cutLinePosition))
return false;
if (cutlineStart)
*cutlineStart = start;
if (cutlineEnd)
*cutlineEnd = end;
// STRONG-GUARANTEE provided that the following gives NOFAIL-GUARANTEE
// Move clips which are to the right of the cut line
if (editClipCanMove)
if (cutlineStart)
*cutlineStart = start;
if (cutlineEnd)
*cutlineEnd = end;
// Move clips which are to the right of the cut line
if (editClipCanMove)
{
for (const auto &clip2 : mClips)
{
for (const auto &clip2 : mClips)
{
if (clip2->GetStartTime() > clip->GetStartTime())
clip2->Offset(end - start);
}
if (clip2->GetStartTime() > clip->GetStartTime())
clip2->Offset(end - start);
}
return true;

2
src/effects/Effect.cpp
View File

@ -1278,8 +1278,6 @@ bool Effect::ProcessPass()
{
bool bGoodResult = true;
bool isGenerator = GetType() == EffectTypeGenerate;
bool editClipCanMove;
gPrefs->Read(wxT("/GUI/EditClipCanMove"), &editClipCanMove, true);
FloatBuffers inBuffer, outBuffer;
ArrayOf<float *> inBufPos, outBufPos;

25
src/effects/Equalization.cpp
View File

@ -1173,20 +1173,17 @@ bool EffectEqualization::ProcessOne(int count, WaveTrack * t,
//remove the old audio and get the NEW
t->Clear(clipStartEndTimes[i].first,clipStartEndTimes[i].second);
auto toClipOutput = output->Copy(clipStartEndTimes[i].first-startT+offsetT0,clipStartEndTimes[i].second-startT+offsetT0);
if(toClipOutput)
{
//put the processed audio in
bool bResult = t->Paste(clipStartEndTimes[i].first, toClipOutput.get());
wxASSERT(bResult); // TO DO: Actually handle this.
wxUnusedVar(bResult);
//if the clip was only partially selected, the Paste will have created a split line. Join is needed to take care of this
//This is not true when the selection is fully contained within one clip (second half of conditional)
if( (clipRealStartEndTimes[i].first != clipStartEndTimes[i].first ||
clipRealStartEndTimes[i].second != clipStartEndTimes[i].second) &&
!(clipRealStartEndTimes[i].first <= startT &&
clipRealStartEndTimes[i].second >= startT+lenT) )
t->Join(clipRealStartEndTimes[i].first,clipRealStartEndTimes[i].second);
}
//put the processed audio in
bool bResult = t->Paste(clipStartEndTimes[i].first, toClipOutput.get());
wxASSERT(bResult); // TO DO: Actually handle this.
wxUnusedVar(bResult);
//if the clip was only partially selected, the Paste will have created a split line. Join is needed to take care of this
//This is not true when the selection is fully contained within one clip (second half of conditional)
if( (clipRealStartEndTimes[i].first != clipStartEndTimes[i].first ||
clipRealStartEndTimes[i].second != clipStartEndTimes[i].second) &&
!(clipRealStartEndTimes[i].first <= startT &&
clipRealStartEndTimes[i].second >= startT+lenT) )
t->Join(clipRealStartEndTimes[i].first,clipRealStartEndTimes[i].second);
}
}

23
src/effects/Equalization48x.cpp
View File

@ -558,19 +558,16 @@ bool EffectEqualization48x::ProcessTail(WaveTrack * t, WaveTrack * output, sampl
t->Clear(clipStartEndTimes[i].first,clipStartEndTimes[i].second);
// output->Copy(clipStartEndTimes[i].first-startT+offsetT0,clipStartEndTimes[i].second-startT+offsetT0, &toClipOutput);
auto toClipOutput = output->Copy(clipStartEndTimes[i].first-startT, clipStartEndTimes[i].second-startT);
if(toClipOutput)
{
//put the processed audio in
bool bResult = t->Paste(clipStartEndTimes[i].first, toClipOutput.get());
wxASSERT(bResult); // TO DO: Actually handle this.
//if the clip was only partially selected, the Paste will have created a split line. Join is needed to take care of this
//This is not true when the selection is fully contained within one clip (second half of conditional)
if( (clipRealStartEndTimes[i].first != clipStartEndTimes[i].first ||
clipRealStartEndTimes[i].second != clipStartEndTimes[i].second) &&
!(clipRealStartEndTimes[i].first <= startT &&
clipRealStartEndTimes[i].second >= startT+lenT) )
t->Join(clipRealStartEndTimes[i].first,clipRealStartEndTimes[i].second);
}
//put the processed audio in
bool bResult = t->Paste(clipStartEndTimes[i].first, toClipOutput.get());
wxASSERT(bResult); // TO DO: Actually handle this.
//if the clip was only partially selected, the Paste will have created a split line. Join is needed to take care of this
//This is not true when the selection is fully contained within one clip (second half of conditional)
if( (clipRealStartEndTimes[i].first != clipStartEndTimes[i].first ||
clipRealStartEndTimes[i].second != clipStartEndTimes[i].second) &&
!(clipRealStartEndTimes[i].first <= startT &&
clipRealStartEndTimes[i].second >= startT+lenT) )
t->Join(clipRealStartEndTimes[i].first,clipRealStartEndTimes[i].second);
}
return true;
}