Audacity 3.2.0
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#include <SampleTrack.h>
Public Member Functions | |
SampleTrack () | |
SampleTrack (const SampleTrack &other, ProtectedCreationArg &&) | |
~SampleTrack () override | |
const TypeInfo & | GetTypeInfo () const override |
virtual sampleFormat | GetSampleFormat () const =0 |
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... | |
bool | GetFloats (size_t iChannel, size_t nBuffers, float *const buffers[], sampleCount start, size_t len, bool backwards=false, fillFormat fill=FillFormat::fillZero, bool mayThrow=true, sampleCount *pNumWithinClips=nullptr) const |
Public Member Functions inherited from PlayableTrack | |
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 TypeInfo & | GetTypeInfo () const =0 |
virtual const TypeNames & | GetTypeNames () 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< TrackList > | GetOwner () const |
LinkType | GetLinkType () const noexcept |
Track () | |
Track (const Track &orig, ProtectedCreationArg &&) | |
Track & | operator= (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> | |
R | TypeSwitch (const Functions &...functions) |
template<typename R = void, typename ... Functions> | |
R | TypeSwitch (const Functions &...functions) const |
virtual void | WriteXML (XMLWriter &xmlFile) const =0 |
virtual std::optional< TranslatableString > | GetErrorOpening () 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 XMLTagHandler * | HandleXMLChild (const std::string_view &tag)=0 |
void | ReadXMLEndTag (const char *tag) |
void | ReadXMLContent (const char *s, int len) |
XMLTagHandler * | ReadXMLChild (const char *tag) |
Public Member Functions inherited from ClientData::Site< Host, ClientData, ObjectCopyingPolicy, Pointer, ObjectLockingPolicy, RegistryLockingPolicy > | |
~Site () | |
Site () | |
Site (const Site &other) | |
Site & | operator= (const Site &other) |
Site (Site &&other) | |
Site & | operator= (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< Channel > | NthChannel (size_t nChannel) |
std::shared_ptr< const Channel > | NthChannel (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... | |
Public Member Functions inherited from PlayableSequence | |
~PlayableSequence () override | |
virtual const ChannelGroup * | FindChannelGroup () const =0 |
Find associated ChannelGroup if any. More... | |
virtual bool | GetSolo () const =0 |
May vary asynchronously. More... | |
virtual bool | GetMute () const =0 |
May vary asynchronously. More... | |
Public Member Functions inherited from WideSampleSequence | |
virtual | ~WideSampleSequence () |
virtual size_t | NChannels () const =0 |
A constant property. More... | |
virtual float | GetChannelVolume (int channel) const =0 |
bool | GetFloats (size_t iChannel, size_t nBuffers, float *const buffers[], sampleCount start, size_t len, bool backwards=false, fillFormat fill=FillFormat::fillZero, bool mayThrow=true, sampleCount *pNumWithinClips=nullptr) const |
virtual bool | DoGet (size_t iChannel, size_t nBuffers, const samplePtr buffers[], sampleFormat format, sampleCount start, size_t len, bool backward, fillFormat fill=FillFormat::fillZero, bool mayThrow=true, sampleCount *pNumWithinClips=nullptr) const =0 |
virtual double | GetStartTime () const =0 |
virtual double | GetEndTime () const =0 |
virtual double | GetRate () const =0 |
sampleCount | TimeToLongSamples (double t0) const |
double | LongSamplesToTime (sampleCount pos) const |
double | SnapToSample (double t) const |
virtual sampleFormat | WidestEffectiveFormat () const =0 |
virtual bool | HasTrivialEnvelope () const =0 |
virtual void | GetEnvelopeValues (double *buffer, size_t bufferLen, double t0, bool backwards) const =0 |
Public Member Functions inherited from AudioGraph::Channel | |
virtual | ~Channel () |
virtual ChannelType | GetChannelType () const =0 |
Classify this channel. More... | |
Static Public Member Functions | |
static const TypeInfo & | ClassTypeInfo () |
Static Public Member Functions inherited from PlayableTrack | |
static const TypeInfo & | ClassTypeInfo () |
Static Public Member Functions inherited from AudioTrack | |
static const TypeInfo & | ClassTypeInfo () |
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 TypeInfo & | ClassTypeInfo () |
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 PlayableTrack | |
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< Channel > | DoGetChannel (size_t iChannel)=0 |
virtual std::shared_ptr< Interval > | DoGetInterval (size_t iInterval)=0 |
Retrieve an interval. More... | |
Protected Attributes inherited from Track | |
std::weak_ptr< TrackList > | mList |
TrackNodePointer | mNode {} |
Holds iterator to self, so that TrackList::Find can be constant-time. More... | |
Definition at line 24 of file SampleTrack.h.
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default |
SampleTrack::SampleTrack | ( | const SampleTrack & | other, |
ProtectedCreationArg && | a | ||
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Definition at line 17 of file SampleTrack.cpp.
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overridedefault |
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static |
Definition at line 32 of file SampleTrack.cpp.
References typeInfo().
Referenced by typeInfo2().
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virtual |
Get the maximum of End() values of intervals, or 0 when none.
Implements WideSampleSequence.
Definition at line 293 of file Channel.cpp.
bool WideSampleSequence::GetFloats | ( | size_t | iChannel, |
size_t | nBuffers, | ||
float *const | buffers[], | ||
sampleCount | start, | ||
size_t | len, | ||
bool | backwards = false , |
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fillFormat | fill = FillFormat::fillZero , |
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bool | mayThrow = true , |
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sampleCount * | pNumWithinClips = nullptr |
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) | const |
Retrieve samples from a sequence in floating-point format, regardless of the storage format
iChannel | index of first channel to fetch | |
nBuffers | counts buffers | |
buffers | receive the samples | |
start | starting sample, relative to absolute time zero | |
len | how many samples to get. buffers are assumed sufficiently large | |
fill | how to assign values for sample positions between clips | |
mayThrow | if false, fill buffer with zeros when there is failure to retrieve samples; else throw | |
[out] | pNumWithinClips | Report how many samples were copied from within clips, rather than filled according to fillFormat; but these were not necessarily one contiguous range. |
iChannel + nBuffers <= NChannels()
mayThrow
is false and not all samples could be retrieved Definition at line 58 of file WideSampleSequence.cpp.
Referenced by anonymous_namespace{WaveTrackUtilities.cpp}::ReverseOneClip().
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pure virtual |
Implemented in WaveTrack.
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virtual |
Get the minimum of Start() values of intervals, or 0 when none.
Implements WideSampleSequence.
Definition at line 291 of file Channel.cpp.
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overridevirtual |
Implements Track.
Reimplemented in WritableSampleTrack, and WaveTrack.
Definition at line 37 of file SampleTrack.cpp.
References typeInfo().