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

Track subclass holding data representing sound (as notes, or samples, or ...) More...

#include <PlayableTrack.h>

Inheritance diagram for AudioTrack:
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Collaboration diagram for AudioTrack:
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Public Member Functions

 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 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 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...
 

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 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...
 
- 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

Track subclass holding data representing sound (as notes, or samples, or ...)

A Track that can load/save audio data to/from XML.


Audacity: A Digital Audio Editor

PlayableTrack.cpp

Dominic Mazzoni

Paul Licameli split from Track.cpp

Definition at line 20 of file PlayableTrack.h.

Constructor & Destructor Documentation

◆ AudioTrack() [1/2]

AudioTrack::AudioTrack ( )

Definition at line 91 of file PlayableTrack.cpp.

91 : Track{}
92{
93}
Abstract base class for an object holding data associated with points on a time axis.
Definition: Track.h:110

◆ AudioTrack() [2/2]

AudioTrack::AudioTrack ( const Track orig,
ProtectedCreationArg &&  a 
)

Definition at line 95 of file PlayableTrack.cpp.

96 : Track{ orig, std::move(a) }
97{
98}

Member Function Documentation

◆ ClassTypeInfo()

auto AudioTrack::ClassTypeInfo ( )
static

Definition at line 171 of file PlayableTrack.cpp.

172{
173 static Track::TypeInfo info{
174 { "audio", "audio", XO("Audio Track") },
175 false, &Track::ClassTypeInfo() };
176 return info;
177}
XO("Cut/Copy/Paste")
static const TypeInfo & ClassTypeInfo()
Definition: Track.cpp:790

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

Referenced by PlayableTrack::ClassTypeInfo().

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◆ HandleXMLAttribute()

bool AudioTrack::HandleXMLAttribute ( const std::string_view &  ,
const XMLAttributeValueView  
)
inline

Definition at line 32 of file PlayableTrack.h.

33 { return false; }

Referenced by PlayableTrack::HandleXMLAttribute().

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◆ WriteXMLAttributes()

void AudioTrack::WriteXMLAttributes ( XMLWriter WXUNUSEDxmlFile) const
inline

Definition at line 29 of file PlayableTrack.h.

29{}

Referenced by PlayableTrack::WriteXMLAttributes().

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