Implementation of GenericContainer<MediaFileInfo, MatroskaTag, MatroskaTrack, EbmlElement>. More...

#include <matroskacontainer.h>

Inheritance diagram for TagParser::MatroskaContainer:

Collaboration diagram for TagParser::MatroskaContainer:

Public Member Functions
	MatroskaContainer (MediaFileInfo &stream, std::uint64_t startOffset)
	Constructs a new container for the specified fileInfo at the specified startOffset.
	~MatroskaContainer () override
void	validateIndex (Diagnostics &diag, AbortableProgressFeedback &progress)
	Validates the file index (cue entries).
std::uint64_t	maxIdLength () const
	Returns the maximal ID length in bytes.
std::uint64_t	maxSizeLength () const
	Returns the maximal size length in bytes.
const std::vector< std::unique_ptr< MatroskaSeekInfo > > &	seekInfos () const
	Returns seek information read from "SeekHead"-elements when parsing segment info.
const std::vector< std::unique_ptr< MatroskaEditionEntry > > &	editionEntires () const
	Returns the edition entries.
MatroskaChapter *	chapter (std::size_t index) override
	Returns the chapter with the specified index.
std::size_t	chapterCount () const override
	Returns the number of chapters the container holds.
MatroskaAttachment *	createAttachment () override
	Creates and returns a new attachment.
MatroskaAttachment *	attachment (std::size_t index) override
	Returns the attachment with the specified index.
std::size_t	attachmentCount () const override
	Returns the number of attachments the container holds.
ElementPosition	determineElementPosition (std::uint64_t elementId, Diagnostics &diag) const
	Determines the position of the element with the specified elementId.
ElementPosition	determineTagPosition (Diagnostics &diag) const override
	Determines the position of the tags inside the file.
ElementPosition	determineIndexPosition (Diagnostics &diag) const override
	Determines the position of the index.
virtual bool	supportsTitle () const override
	Returns whether the title property is supported.
virtual std::size_t	segmentCount () const override
	Returns the number of segments.
void	reset () override
	Discards all parsing results.
Public Member Functions inherited from TagParser::GenericContainer< MediaFileInfo, MatroskaTag, MatroskaTrack, EbmlElement >
	GenericContainer (MediaFileInfo &fileInfo, std::uint64_t startOffset)
	Constructs a new container for the specified fileInfo at the specified startOffset.
	~GenericContainer () override
	Destroys the container.
void	validateElementStructure (Diagnostics &diag, AbortableProgressFeedback &progress, std::uint64_t *paddingSize=nullptr)
	Parses all elements the file consists of.
MediaFileInfo &	fileInfo () const
	Returns the related file info.
EbmlElement *	firstElement () const
	Returns the first element of the file if available; otherwiese returns nullptr.
const std::vector< std::unique_ptr< EbmlElement > > &	additionalElements () const
	Returns all available additional elements.
MatroskaTag *	tag (std::size_t index) override
	Returns the tag with the specified index.
std::size_t	tagCount () const override
	Returns the number of tags attached to the container.
MatroskaTrack *	track (std::size_t index) override
	Returns the track with the specified index.
MatroskaTrack *	trackById (std::uint64_t id)
std::size_t	trackCount () const override
	Returns the number of tracks the container holds.
const std::vector< std::unique_ptr< MatroskaTag > > &	tags () const
	Returns the tags of the file.
const std::vector< std::unique_ptr< MatroskaTrack > > &	tracks () const
	Returns the tracks of the file.
MatroskaTag *	createTag (const TagTarget &target=TagTarget()) override
	Creates and returns a tag for the specified target.
bool	removeTag (Tag *tag) override
	Removes the specified tag from the container.
void	removeAllTags () override
	Removes all tags attached to the container.
bool	addTrack (MatroskaTrack *track)
	Adds the specified track to the container.
bool	removeTrack (AbstractTrack *track) override
	Removes the specified track to the container.
void	removeAllTracks () override
	Removes all tracks from the container.
Public Member Functions inherited from TagParser::AbstractContainer
virtual	~AbstractContainer ()
	Destroys the container.
std::iostream &	stream ()
	Returns the related stream.
void	setStream (std::iostream &stream)
	Sets the related stream.
std::uint64_t	startOffset () const
	Returns the start offset in the related stream.
CppUtilities::BinaryReader &	reader ()
	Returns the related BinaryReader.
CppUtilities::BinaryWriter &	writer ()
	Returns the related BinaryWriter.
void	parseHeader (Diagnostics &diag, AbortableProgressFeedback &progress)
	Parses the header if not parsed yet.
void	parseTags (Diagnostics &diag, AbortableProgressFeedback &progress)
	Parses the tag information if not parsed yet.
void	parseTracks (Diagnostics &diag, AbortableProgressFeedback &progress)
	Parses the tracks of the file if not parsed yet.
void	parseChapters (Diagnostics &diag, AbortableProgressFeedback &progress)
	Parses the chapters of the file if not parsed yet.
void	parseAttachments (Diagnostics &diag, AbortableProgressFeedback &progress)
	Parses the attachments of the file if not parsed yet.
void	makeFile (Diagnostics &diag, AbortableProgressFeedback &progress)
	Rewrites the file to apply changed tag information.
bool	isHeaderParsed () const
	Returns an indication whether the header has been parsed yet.
bool	areTagsParsed () const
	Returns an indication whether the tags have been parsed yet.
bool	areTracksParsed () const
	Returns an indication whether the tracks have been parsed yet.
bool	areChaptersParsed () const
	Returns an indication whether the chapters have been parsed yet.
bool	areAttachmentsParsed () const
	Returns an indication whether the attachments have been parsed yet.
virtual bool	supportsTrackModifications () const
	Returns whether the implementation supports adding or removing of tracks.
std::uint64_t	version () const
	Returns the version if known; otherwise returns 0.
std::uint64_t	readVersion () const
	Returns the "read version" if known; otherwise returns 0.
const std::string &	documentType () const
	Returns a string that describes the document type if available; otherwise returns an empty string.
std::uint64_t	doctypeVersion () const
	Returns the document type version if known; otherwise returns 0.
std::uint64_t	doctypeReadVersion () const
	Returns the document type "read version" if known; otherwise returns 0.
const std::vector< std::string > &	titles () const
	Returns the title(s) of the file.
void	setTitle (std::string_view title, std::size_t segmentIndex=0)
	Sets the title for the specified segment.
const std::vector< std::string > &	muxingApplications () const
	Returns the muxing applications specified as meta-data.
const std::vector< std::string > &	writingApplications () const
	Returns the writing applications specified as meta-data.
CppUtilities::TimeSpan	duration () const
	Returns the duration of the file if known; otherwise returns a time span of zero ticks.
CppUtilities::DateTime	creationTime () const
	Returns the creation time of the file if known; otherwise the returned date time is null.
CppUtilities::DateTime	modificationTime () const
	Returns the modification time of the file if known; otherwise the returned date time is null.
std::uint32_t	timeScale () const
	Returns the time scale of the file if known; otherwise returns 0.

Protected Member Functions
void	internalParseHeader (Diagnostics &diag, AbortableProgressFeedback &progress) override
	Internally called to parse the header.
void	internalParseTags (Diagnostics &diag, AbortableProgressFeedback &progress) override
	Internally called to parse the tags.
void	internalParseTracks (Diagnostics &diag, AbortableProgressFeedback &progress) override
	Internally called to parse the tracks.
void	internalParseChapters (Diagnostics &diag, AbortableProgressFeedback &progress) override
	Internally called to parse the chapters.
void	internalParseAttachments (Diagnostics &diag, AbortableProgressFeedback &progress) override
	Internally called to parse the attachments.
void	internalMakeFile (Diagnostics &diag, AbortableProgressFeedback &progress) override
	Internally called to make the file.
Protected Member Functions inherited from TagParser::AbstractContainer
	AbstractContainer (std::iostream &stream, std::uint64_t startOffset)
	Constructs a new container for the specified file stream at the specified startOffset.
std::vector< std::string > &	muxingApplications ()
	Returns the muxing applications specified as meta-data.
std::vector< std::string > &	writingApplications ()
	Returns the writing applications specified as meta-data.

Additional Inherited Members
Public Types inherited from TagParser::GenericContainer< MediaFileInfo, MatroskaTag, MatroskaTrack, EbmlElement >
using	ContainerFileInfoType
using	ContainerTagType
using	ContainerTrackType
using	ContainerElementType
Protected Attributes inherited from TagParser::GenericContainer< MediaFileInfo, MatroskaTag, MatroskaTrack, EbmlElement >
std::unique_ptr< EbmlElement >	m_firstElement
std::vector< std::unique_ptr< EbmlElement > >	m_additionalElements
std::vector< std::unique_ptr< MatroskaTag > >	m_tags
std::vector< std::unique_ptr< MatroskaTrack > >	m_tracks
Protected Attributes inherited from TagParser::AbstractContainer
std::uint64_t	m_version
std::uint64_t	m_readVersion
std::string	m_doctype
std::uint64_t	m_doctypeVersion
std::uint64_t	m_doctypeReadVersion
std::vector< std::string >	m_titles
CppUtilities::TimeSpan	m_duration
CppUtilities::DateTime	m_creationTime
CppUtilities::DateTime	m_modificationTime
std::uint32_t	m_timeScale
bool	m_headerParsed
bool	m_tagsParsed
bool	m_tracksParsed
bool	m_tracksAltered
bool	m_chaptersParsed
bool	m_attachmentsParsed

Detailed Description

Implementation of GenericContainer<MediaFileInfo, MatroskaTag, MatroskaTrack, EbmlElement>.

Definition at line 24 of file matroskacontainer.h.

Constructor & Destructor Documentation

◆ MatroskaContainer()

TagParser::MatroskaContainer::MatroskaContainer	(	MediaFileInfo &	stream,
		std::uint64_t	startOffset )

Constructs a new container for the specified fileInfo at the specified startOffset.

Definition at line 41 of file matroskacontainer.cpp.

◆ ~MatroskaContainer()

TagParser::MatroskaContainer::~MatroskaContainer ( )

override

Definition at line 54 of file matroskacontainer.cpp.

Member Function Documentation

◆ attachment()

MatroskaAttachment * TagParser::MatroskaContainer::attachment ( std::size_t index )

inlineoverridevirtual

Returns the attachment with the specified index.

index must be less than attachmentCount().

Reimplemented from TagParser::AbstractContainer.

Definition at line 107 of file matroskacontainer.h.

◆ attachmentCount()

std::size_t TagParser::MatroskaContainer::attachmentCount ( ) const

inlineoverridevirtual

Returns the number of attachments the container holds.

Reimplemented from TagParser::AbstractContainer.

Definition at line 112 of file matroskacontainer.h.

◆ chapter()

MatroskaChapter * TagParser::MatroskaContainer::chapter ( std::size_t index )

overridevirtual

Returns the chapter with the specified index.

index must be less than chapterCount().

Reimplemented from TagParser::AbstractContainer.

Definition at line 314 of file matroskacontainer.cpp.

◆ chapterCount()

size_t TagParser::MatroskaContainer::chapterCount ( ) const

overridevirtual

Returns the number of chapters the container holds.

Reimplemented from TagParser::AbstractContainer.

Definition at line 327 of file matroskacontainer.cpp.

◆ createAttachment()

MatroskaAttachment * TagParser::MatroskaContainer::createAttachment ( )

overridevirtual

Creates and returns a new attachment.

Returns: Returns the created attachment.

Remarks: The container keeps the ownership over the created attachment.

Reimplemented from TagParser::AbstractContainer.

Definition at line 336 of file matroskacontainer.cpp.

◆ determineElementPosition()

ElementPosition TagParser::MatroskaContainer::determineElementPosition	(	std::uint64_t	elementId,
		Diagnostics &	diag ) const

Determines the position of the element with the specified elementId.

See also: determineTagPosition() and determineIndexPosition()

Definition at line 365 of file matroskacontainer.cpp.

◆ determineIndexPosition()

ElementPosition TagParser::MatroskaContainer::determineIndexPosition ( Diagnostics & diag ) const

overridevirtual

Determines the position of the index.

Returns: Returns ElementPosition::BeforeData or ElementPosition::AfterData if the position could be determined; otherwise returns ElementPosition::Keep.

Remarks

It might be required to parse tracks before the index position can be determined.
Not be applicable for files composed of multiple segments.

See also: MediaFileInfo::indexPosition()

Reimplemented from TagParser::AbstractContainer.

Definition at line 396 of file matroskacontainer.cpp.

◆ determineTagPosition()

ElementPosition TagParser::MatroskaContainer::determineTagPosition ( Diagnostics & diag ) const

overridevirtual

Determines the position of the tags inside the file.

Returns: Returns ElementPosition::BeforeData or ElementPosition::AfterData if the position could be determined; otherwise returns ElementPosition::Keep.

Remarks

It might be required to parse tags before the tag position can be determined.
Not be applicable for files composed of multiple segments.

See also: MediaFileInfo::tagPosition()

Reimplemented from TagParser::AbstractContainer.

Definition at line 391 of file matroskacontainer.cpp.

◆ editionEntires()

const std::vector< std::unique_ptr< MatroskaEditionEntry > > & TagParser::MatroskaContainer::editionEntires ( ) const

inline

Returns the edition entries.

Definition at line 102 of file matroskacontainer.h.

◆ internalMakeFile()

void TagParser::MatroskaContainer::internalMakeFile	(	Diagnostics &	diag,
		AbortableProgressFeedback &	progress )

overrideprotectedvirtual

Internally called to make the file.

Must be implemented when subclassing.

Exceptions

Throws	Failure or a derived class when a parsing error occurs.
Throws	std::ios_base::failure when an IO error occurs.

Reimplemented from TagParser::AbstractContainer.

Definition at line 861 of file matroskacontainer.cpp.

◆ internalParseAttachments()

void TagParser::MatroskaContainer::internalParseAttachments	(	Diagnostics &	diag,
		AbortableProgressFeedback &	progress )

overrideprotectedvirtual

Internally called to parse the attachments.

Must be implemented when subclassing to provide this feature.

Exceptions

Throws	Failure or a derived class when a parsing error occurs.
Throws	std::ios_base::failure when an IO error occurs.

Reimplemented from TagParser::AbstractContainer.

Definition at line 776 of file matroskacontainer.cpp.

◆ internalParseChapters()

void TagParser::MatroskaContainer::internalParseChapters	(	Diagnostics &	diag,
		AbortableProgressFeedback &	progress )

overrideprotectedvirtual

Internally called to parse the chapters.

Must be implemented when subclassing to provide this feature.

Exceptions

Throws	Failure or a derived class when a parsing error occurs.
Throws	std::ios_base::failure when an IO error occurs.

Reimplemented from TagParser::AbstractContainer.

Definition at line 742 of file matroskacontainer.cpp.

◆ internalParseHeader()

void TagParser::MatroskaContainer::internalParseHeader	(	Diagnostics &	diag,
		AbortableProgressFeedback &	progress )

overrideprotectedvirtual

Internally called to parse the header.

Must be implemented when subclassing to provide this feature.

Exceptions

Throws	Failure or a derived class when a parsing error occurs.
Throws	std::ios_base::failure when an IO error occurs.

Reimplemented from TagParser::AbstractContainer.

Definition at line 401 of file matroskacontainer.cpp.

◆ internalParseTags()

void TagParser::MatroskaContainer::internalParseTags	(	Diagnostics &	diag,
		AbortableProgressFeedback &	progress )

overrideprotectedvirtual

Internally called to parse the tags.

Must be implemented when subclassing to provide this feature.

Exceptions

Throws	Failure or a derived class when a parsing error occurs.
Throws	std::ios_base::failure when an IO error occurs.

Reimplemented from TagParser::AbstractContainer.

Definition at line 665 of file matroskacontainer.cpp.

◆ internalParseTracks()

void TagParser::MatroskaContainer::internalParseTracks	(	Diagnostics &	diag,
		AbortableProgressFeedback &	progress )

overrideprotectedvirtual

Internally called to parse the tracks.

Must be implemented when subclassing to provide this feature.

Exceptions

Throws	Failure or a derived class when a parsing error occurs.
Throws	std::ios_base::failure when an IO error occurs.

Reimplemented from TagParser::AbstractContainer.

Definition at line 706 of file matroskacontainer.cpp.

◆ maxIdLength()

std::uint64_t TagParser::MatroskaContainer::maxIdLength ( ) const

inline

Returns the maximal ID length in bytes.

Definition at line 78 of file matroskacontainer.h.

◆ maxSizeLength()

std::uint64_t TagParser::MatroskaContainer::maxSizeLength ( ) const

inline

Returns the maximal size length in bytes.

Definition at line 86 of file matroskacontainer.h.

◆ reset()

void TagParser::MatroskaContainer::reset ( )

overridevirtual

Discards all parsing results.

Reimplemented from TagParser::GenericContainer< MediaFileInfo, MatroskaTag, MatroskaTrack, EbmlElement >.

Definition at line 58 of file matroskacontainer.cpp.

◆ seekInfos()

const std::vector< std::unique_ptr< MatroskaSeekInfo > > & TagParser::MatroskaContainer::seekInfos ( ) const

inline

Returns seek information read from "SeekHead"-elements when parsing segment info.

Definition at line 94 of file matroskacontainer.h.

◆ segmentCount()

std::size_t TagParser::MatroskaContainer::segmentCount ( ) const

inlineoverridevirtual

Returns the number of segments.

Reimplemented from TagParser::AbstractContainer.

Definition at line 122 of file matroskacontainer.h.

◆ supportsTitle()

bool TagParser::MatroskaContainer::supportsTitle ( ) const

inlineoverridevirtual

Returns whether the title property is supported.

Reimplemented from TagParser::AbstractContainer.

Definition at line 117 of file matroskacontainer.h.

◆ validateIndex()

void TagParser::MatroskaContainer::validateIndex	(	Diagnostics &	diag,
		AbortableProgressFeedback &	progress )

Validates the file index (cue entries).

Remarks: Checks only for cluster positions and missing, unknown or surplus elements.

Definition at line 83 of file matroskacontainer.cpp.

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

matroska/matroskacontainer.h
matroska/matroskacontainer.cpp

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ MatroskaContainer()

◆ ~MatroskaContainer()

Member Function Documentation

◆ attachment()

◆ attachmentCount()

◆ chapter()

◆ chapterCount()

◆ createAttachment()

◆ determineElementPosition()

◆ determineIndexPosition()

◆ determineTagPosition()

◆ editionEntires()

◆ internalMakeFile()

◆ internalParseAttachments()

◆ internalParseChapters()

◆ internalParseHeader()

◆ internalParseTags()

◆ internalParseTracks()

◆ maxIdLength()

◆ maxSizeLength()

◆ reset()

◆ seekInfos()

◆ segmentCount()

◆ supportsTitle()

◆ validateIndex()