Audacity 3.2.0
Public Member Functions | Static Public Member Functions | Protected Member Functions | List of all members
PlayableTrack Class Reference

AudioTrack subclass that can also be audibly replayed by the program. More...

#include <PlayableTrack.h>

Inheritance diagram for PlayableTrack:
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Public Member Functions

 PlayableTrack ()
 
 PlayableTrack (const PlayableTrack &orig, ProtectedCreationArg &&)
 
bool GetMute () const
 
bool GetSolo () const
 
bool GetNotMute () const
 
bool GetNotSolo () const
 
void SetMute (bool m)
 
void SetSolo (bool s)
 
void WriteXMLAttributes (XMLWriter &xmlFile) const
 
bool HandleXMLAttribute (const std::string_view &attr, const XMLAttributeValueView &value)
 
- Public Member Functions inherited from AudioTrack
 AudioTrack ()
 
 AudioTrack (const Track &orig, ProtectedCreationArg &&a)
 
void WriteXMLAttributes (XMLWriter &WXUNUSED(xmlFile)) const
 
bool HandleXMLAttribute (const std::string_view &, const XMLAttributeValueView &)
 
- Public Member Functions inherited from Track
TrackId GetId () const
 
template<typename Subclass = Track>
std::shared_ptr< Subclass > SharedPointer ()
 
template<typename Subclass = const Track>
auto SharedPointer () const -> std::enable_if_t< std::is_const_v< Subclass >, std::shared_ptr< Subclass > >
 
virtual const TypeInfoGetTypeInfo () const =0
 
virtual const TypeNamesGetTypeNames () const
 
virtual bool SupportsBasicEditing () const
 Whether this track type implements cut-copy-paste; by default, true. More...
 
virtual Holder PasteInto (AudacityProject &project, TrackList &list) const =0
 
virtual bool LinkConsistencyFix (bool doFix=true)
 Check consistency of channel groups, and maybe fix it. More...
 
bool LinkConsistencyCheck ()
 Do the non-mutating part of consistency fix only and return status. More...
 
bool HasOwner () const
 
std::shared_ptr< TrackListGetOwner () const
 
LinkType GetLinkType () const noexcept
 
 Track ()
 
 Track (const Track &orig, ProtectedCreationArg &&)
 
Trackoperator= (const Track &orig)=delete
 
virtual ~Track ()
 
void Init (const Track &orig)
 
virtual Holder Duplicate (DuplicateOptions={}) const
 public nonvirtual duplication function that invokes Clone() More...
 
void ReparentAllAttachments ()
 
const wxString & GetName () const
 Name is always the same for all channels of a group. More...
 
void SetName (const wxString &n)
 
bool GetSelected () const
 Selectedness is always the same for all channels of a group. More...
 
virtual void SetSelected (bool s)
 
virtual Holder Cut (double t0, double t1)=0
 Create tracks and modify this track. More...
 
virtual Holder Copy (double t0, double t1, bool forClipboard=true) const =0
 Create new tracks and don't modify this track. More...
 
virtual void Clear (double t0, double t1)=0
 
virtual void Paste (double t, const Track &src)=0
 Weak precondition allows overrides to replicate one channel into many. More...
 
virtual void SyncLockAdjust (double oldT1, double newT1)
 
virtual void Silence (double t0, double t1, ProgressReporter reportProgress={})=0
 
virtual void InsertSilence (double t, double len)=0
 
bool SameKindAs (const Track &track) const
 
template<typename R = void, typename ... Functions>
TypeSwitch (const Functions &...functions)
 
template<typename R = void, typename ... Functions>
TypeSwitch (const Functions &...functions) const
 
virtual void WriteXML (XMLWriter &xmlFile) const =0
 
virtual std::optional< TranslatableStringGetErrorOpening () const
 
void Notify (bool allChannels, int code=-1)
 
bool Any () const
 
bool IsSelected () const
 
bool IsLeader () const
 
void AdjustPositions ()
 
void WriteCommonXMLAttributes (XMLWriter &xmlFile, bool includeNameAndSelected=true) const
 
bool HandleCommonXMLAttribute (const std::string_view &attr, const XMLAttributeValueView &valueView)
 
- Public Member Functions inherited from XMLTagHandler
 XMLTagHandler ()
 
virtual ~XMLTagHandler ()
 
virtual bool HandleXMLTag (const std::string_view &tag, const AttributesList &attrs)=0
 
virtual void HandleXMLEndTag (const std::string_view &WXUNUSED(tag))
 
virtual void HandleXMLContent (const std::string_view &WXUNUSED(content))
 
virtual XMLTagHandlerHandleXMLChild (const std::string_view &tag)=0
 
void ReadXMLEndTag (const char *tag)
 
void ReadXMLContent (const char *s, int len)
 
XMLTagHandlerReadXMLChild (const char *tag)
 
- Public Member Functions inherited from ClientData::Site< Host, ClientData, ObjectCopyingPolicy, Pointer, ObjectLockingPolicy, RegistryLockingPolicy >
 ~Site ()
 
 Site ()
 
 Site (const Site &other)
 
Siteoperator= (const Site &other)
 
 Site (Site &&other)
 
Siteoperator= (Site &&other)
 
size_t size () const
 How many attachment pointers are in the Site. More...
 
template<typename Subclass = ClientData>
Subclass & Get (const RegisteredFactory &key)
 Get reference to an attachment, creating on demand if not present, down-cast it to Subclass. More...
 
template<typename Subclass = const ClientData>
auto Get (const RegisteredFactory &key) const -> std::enable_if_t< std::is_const< Subclass >::value, Subclass & >
 Get reference to an attachment, creating on demand if not present, down-cast it to Subclass. More...
 
template<typename Subclass = ClientData>
Subclass * Find (const RegisteredFactory &key)
 Get a (bare) pointer to an attachment, or null, down-cast it to Subclass *; will not create on demand. More...
 
template<typename Subclass = const ClientData>
auto Find (const RegisteredFactory &key) const -> std::enable_if_t< std::is_const< Subclass >::value, Subclass * >
 Get a (bare) pointer to an attachment, or null, down-cast it to Subclass *; will not create on demand. More...
 
template<typename ReplacementPointer >
void Assign (const RegisteredFactory &key, ReplacementPointer &&replacement)
 Reassign Site's pointer to ClientData. More...
 
- Public Member Functions inherited from ChannelGroup
virtual ~ChannelGroup ()
 
double GetStartTime () const
 Get the minimum of Start() values of intervals, or 0 when none. More...
 
double GetEndTime () const
 Get the maximum of End() values of intervals, or 0 when none. More...
 
void ShiftBy (double t)
 Change start time by given duration. More...
 
virtual void ShiftBy (double t0, double delta)=0
 Shift all intervals that starts after t0 by delta seconds. More...
 
virtual void MoveTo (double o)=0
 Change start time to given time point. More...
 
virtual size_t NChannels () const =0
 Report the number of channels. More...
 
template<typename ChannelType = Channel>
std::shared_ptr< ChannelType > GetChannel (size_t iChannel)
 Retrieve a channel, cast to the given type. More...
 
template<typename ChannelType = const Channel>
auto GetChannel (size_t iChannel) const -> std::enable_if_t< std::is_const_v< ChannelType >, std::shared_ptr< ChannelType > >
 
template<typename ChannelType = Channel>
IteratorRange< ChannelIterator< ChannelType > > Channels ()
 Get range of channels with mutative access. More...
 
template<typename ChannelType = const Channel>
auto Channels () const -> std::enable_if_t< std::is_const_v< ChannelType >, IteratorRange< ChannelIterator< ChannelType > > >
 Get range of channels with read-only access. More...
 
std::shared_ptr< ChannelNthChannel (size_t nChannel)
 
std::shared_ptr< const ChannelNthChannel (size_t nChannel) const
 
virtual size_t NIntervals () const =0
 Report the number of intervals. More...
 
template<typename IntervalType = Interval>
std::shared_ptr< IntervalType > GetInterval (size_t iInterval)
 Retrieve an interval, cast to the given type. More...
 
template<typename IntervalType = const Interval>
auto GetInterval (size_t iInterval) const -> std::enable_if_t< std::is_const_v< IntervalType >, std::shared_ptr< IntervalType > >
 
template<typename IntervalType = Interval>
IteratorRange< IntervalIterator< IntervalType > > Intervals ()
 Get range of intervals with mutative access. More...
 
template<typename IntervalType = const Interval>
auto Intervals () const -> std::enable_if_t< std::is_const_v< IntervalType >, IteratorRange< IntervalIterator< IntervalType > > >
 Get range of intervals with read-only access. More...
 

Static Public Member Functions

static const TypeInfoClassTypeInfo ()
 
- Static Public Member Functions inherited from AudioTrack
static const TypeInfoClassTypeInfo ()
 
- Static Public Member Functions inherited from Track
template<typename Subclass = Track>
static std::shared_ptr< Subclass > SharedPointer (Track *pTrack)
 
template<typename Subclass = const Track>
static std::shared_ptr< Subclass > SharedPointer (const Track *pTrack)
 
static const TypeInfoClassTypeInfo ()
 
static void CopyAttachments (Track &dst, const Track &src, bool deep)
 Copy (deep) or just share (!deep) AttachedTrackObjects. More...
 
- Static Public Member Functions inherited from ClientData::Site< Host, ClientData, ObjectCopyingPolicy, Pointer, ObjectLockingPolicy, RegistryLockingPolicy >
static size_t numFactories ()
 How many static factories have been registered with this specialization of Site. More...
 

Protected Member Functions

bool DoGetMute () const
 
void DoSetMute (bool value)
 
bool DoGetSolo () const
 
void DoSetSolo (bool value)
 
- Protected Member Functions inherited from Track
void SetLinkType (LinkType linkType, bool completeList=true)
 
- Protected Member Functions inherited from ClientData::Site< Host, ClientData, ObjectCopyingPolicy, Pointer, ObjectLockingPolicy, RegistryLockingPolicy >
template<typename Function >
void ForEach (const Function &function)
 Invoke function on each ClientData object that has been created in this. More...
 
template<typename Function >
void ForEach (const Function &function) const
 Invoke function on each ClientData object that has been created in this. More...
 
template<typename Function >
void ForCorresponding (Site &other, const Function &function, bool create=true)
 
template<typename Function >
ClientData * FindIf (const Function &function)
 Return pointer to first attachment in this that is not null and satisfies a predicate, or nullptr. More...
 
template<typename Function >
const ClientData * FindIf (const Function &function) const
 Return pointer to first attachment in this that is not null and satisfies a predicate, or nullptr. More...
 
template<typename Function >
void EraseIf (const Function &function)
 Erase attached objects satisfying a predicate. More...
 
void BuildAll ()
 For each RegisteredFactory, if the corresponding attachment is absent in this, build and store it. More...
 
- Protected Member Functions inherited from ChannelGroup
virtual std::shared_ptr< ChannelDoGetChannel (size_t iChannel)=0
 
virtual std::shared_ptr< IntervalDoGetInterval (size_t iInterval)=0
 Retrieve an interval. More...
 

Additional Inherited Members

- Public Types inherited from Track
using AttachedObjects = ::AttachedTrackObjects
 Alias for my base type. More...
 
using Holder = std::shared_ptr< Track >
 
- Public Types inherited from ClientData::Site< Host, ClientData, ObjectCopyingPolicy, Pointer, ObjectLockingPolicy, RegistryLockingPolicy >
using DataType = ClientData
 
using DataPointer = Pointer< ClientData >
 
using DataFactory = std::function< DataPointer(Host &) >
 Type of function from which RegisteredFactory is constructed; it builds attachments. More...
 
- Public Types inherited from ChannelGroup
enum class  LinkType : int { None = 0 , Group = 2 , Aligned }
 For two tracks describes the type of the linkage. More...
 
using Attachments = ChannelGroupAttachments
 
using Interval = WideChannelGroupInterval
 
- Protected Attributes inherited from Track
std::weak_ptr< TrackListmList
 
TrackNodePointer mNode {}
 Holds iterator to self, so that TrackList::Find can be constant-time. More...
 

Detailed Description

AudioTrack subclass that can also be audibly replayed by the program.

An AudioTrack that can be played and stopped.

Definition at line 39 of file PlayableTrack.h.

Constructor & Destructor Documentation

◆ PlayableTrack() [1/2]

PlayableTrack::PlayableTrack ( )

Definition at line 100 of file PlayableTrack.cpp.

100 : AudioTrack{}
101{
102}
Track subclass holding data representing sound (as notes, or samples, or ...)
Definition: PlayableTrack.h:21

◆ PlayableTrack() [2/2]

PlayableTrack::PlayableTrack ( const PlayableTrack orig,
ProtectedCreationArg &&  a 
)

Definition at line 104 of file PlayableTrack.cpp.

106 : AudioTrack{ orig, std::move(a) }
107{
108}

Member Function Documentation

◆ ClassTypeInfo()

auto PlayableTrack::ClassTypeInfo ( )
static

Definition at line 179 of file PlayableTrack.cpp.

180{
181 static Track::TypeInfo info{
182 { "playable", "playable", XO("Playable Track") },
183 false, &AudioTrack::ClassTypeInfo() };
184 return info;
185}
XO("Cut/Copy/Paste")
static const TypeInfo & ClassTypeInfo()

References AudioTrack::ClassTypeInfo(), and XO().

Referenced by typeInfo().

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◆ DoGetMute()

bool PlayableTrack::DoGetMute ( ) const
protected

Definition at line 126 of file PlayableTrack.cpp.

127{
128 return MuteAndSolo::Get(*this).GetMute();
129}
Services * Get()
Fetch the global instance, or nullptr if none is yet installed.
Definition: BasicUI.cpp:202

References BasicUI::Get().

Referenced by SetMute(), and WriteXMLAttributes().

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◆ DoGetSolo()

bool PlayableTrack::DoGetSolo ( ) const
protected

Definition at line 136 of file PlayableTrack.cpp.

137{
138 return MuteAndSolo::Get(*this).GetSolo();
139}

References BasicUI::Get().

Referenced by SetSolo(), and WriteXMLAttributes().

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◆ DoSetMute()

void PlayableTrack::DoSetMute ( bool  value)
protected

Definition at line 131 of file PlayableTrack.cpp.

132{
133 MuteAndSolo::Get(*this).SetMute(value);
134}

References BasicUI::Get().

Referenced by HandleXMLAttribute(), and SetMute().

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◆ DoSetSolo()

void PlayableTrack::DoSetSolo ( bool  value)
protected

Definition at line 141 of file PlayableTrack.cpp.

142{
143 MuteAndSolo::Get(*this).SetSolo(value);
144}

References BasicUI::Get().

Referenced by HandleXMLAttribute(), and SetSolo().

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◆ GetMute()

bool PlayableTrack::GetMute ( ) const
inline

Definition at line 47 of file PlayableTrack.h.

47{ return DoGetMute(); }
bool DoGetMute() const

Referenced by TrackUtilities::DoTrackMute(), WaveTrack::GetMute(), and anonymous_namespace{MIDIPlay.h}::Iterator::Unmuted().

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◆ GetNotMute()

bool PlayableTrack::GetNotMute ( ) const
inline

Definition at line 49 of file PlayableTrack.h.

49{ return !DoGetMute(); }

◆ GetNotSolo()

bool PlayableTrack::GetNotSolo ( ) const
inline

Definition at line 50 of file PlayableTrack.h.

50{ return !DoGetSolo(); }
bool DoGetSolo() const

Referenced by ExportAudioDialog::DoExportSplitByTracks(), ExportUtils::FindExportWaveTracks(), and ExportAudioDialog::UpdateTrackExportSettings().

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◆ GetSolo()

bool PlayableTrack::GetSolo ( ) const
inline

Definition at line 48 of file PlayableTrack.h.

48{ return DoGetSolo(); }

Referenced by ProjectFileManager::AddImportedTracks(), anonymous_namespace{ImportMIDI.cpp}::DoImportMIDI(), TrackUtilities::DoTrackSolo(), TrackPanel::DrawTracks(), WaveTrack::GetSolo(), MixerBoard::HasSolo(), and anonymous_namespace{MIDIPlay.h}::Iterator::Unmuted().

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◆ HandleXMLAttribute()

bool PlayableTrack::HandleXMLAttribute ( const std::string_view &  attr,
const XMLAttributeValueView value 
)

Definition at line 155 of file PlayableTrack.cpp.

156{
157 long nValue;
158
159 if (attr == "mute" && value.TryGet(nValue)) {
160 DoSetMute(nValue != 0);
161 return true;
162 }
163 else if (attr == "solo" && value.TryGet(nValue)) {
164 DoSetSolo(nValue != 0);
165 return true;
166 }
167
168 return AudioTrack::HandleXMLAttribute(attr, value);
169}
bool HandleXMLAttribute(const std::string_view &, const XMLAttributeValueView &)
Definition: PlayableTrack.h:32
void DoSetSolo(bool value)
void DoSetMute(bool value)
bool TryGet(bool &value) const noexcept
Try to get a boolean value from the view.

References DoSetMute(), DoSetSolo(), AudioTrack::HandleXMLAttribute(), and XMLAttributeValueView::TryGet().

Referenced by NoteTrack::HandleXMLTag(), and WaveTrack::HandleXMLTag().

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◆ SetMute()

void PlayableTrack::SetMute ( bool  m)

Definition at line 110 of file PlayableTrack.cpp.

111{
112 if (DoGetMute() != m) {
113 DoSetMute(m);
114 Notify(true);
115 }
116}
void Notify(bool allChannels, int code=-1)
Definition: Track.cpp:234

References DoGetMute(), DoSetMute(), and Track::Notify().

Referenced by anonymous_namespace{TrackMenus.cpp}::MuteTracks().

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◆ SetSolo()

void PlayableTrack::SetSolo ( bool  s)

Definition at line 118 of file PlayableTrack.cpp.

119{
120 if (DoGetSolo() != s) {
121 DoSetSolo(s);
122 Notify(true);
123 }
124}

References DoGetSolo(), DoSetSolo(), and Track::Notify().

Referenced by SetTrackAudioCommand::ApplyInner().

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◆ WriteXMLAttributes()

void PlayableTrack::WriteXMLAttributes ( XMLWriter xmlFile) const

Definition at line 147 of file PlayableTrack.cpp.

148{
149 xmlFile.WriteAttr(wxT("mute"), DoGetMute());
150 xmlFile.WriteAttr(wxT("solo"), DoGetSolo());
152}
wxT("CloseDown"))
void WriteXMLAttributes(XMLWriter &WXUNUSED(xmlFile)) const
Definition: PlayableTrack.h:29
void WriteAttr(const wxString &name, const Identifier &value)
Definition: XMLWriter.h:36

References DoGetMute(), DoGetSolo(), XMLWriter::WriteAttr(), AudioTrack::WriteXMLAttributes(), and wxT().

Referenced by NoteTrack::WriteXML().

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The documentation for this class was generated from the following files: