Implementation of TagParser::AbstractContainer for Ogg files. More...

#include <oggcontainer.h>

Inheritance diagram for TagParser::OggContainer:

Collaboration diagram for TagParser::OggContainer:

Public Member Functions
	OggContainer (MediaFileInfo &fileInfo, std::uint64_t startOffset)
	Constructs a new container for the specified stream at the specified startOffset.

	~OggContainer () override

bool	isChecksumValidationEnabled () const
	Returns whether checksum validation is enabled.

void	setChecksumValidationEnabled (bool enabled)
	Sets whether checksum validation is enabled.

void	reset () override
	Discards all parsing results.

OggVorbisComment *	createTag (const TagTarget &target) override
	Creates a new tag.

OggVorbisComment *	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.

bool	removeTag (Tag *tag) override
	Actually just flags the specified tag as removed and clears all assigned fields.

void	removeAllTags () override
	Actually just flags all tags as removed and clears all assigned fields.

Public Member Functions inherited from TagParser::GenericContainer< MediaFileInfo, OggVorbisComment, OggStream, OggPage >
	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.

OggPage *	firstElement () const
	Returns the first element of the file if available; otherwiese returns nullptr.

const std::vector< std::unique_ptr< OggPage > > &	additionalElements () const
	Returns all available additional elements.

std::vector< std::unique_ptr< OggPage > > &	additionalElements ()
	Returns all available additional elements.

OggStream *	track (std::size_t index) override
	Returns the track with the specified index.

OggStream *	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< OggVorbisComment > > &	tags () const
	Returns the tags of the file.

std::vector< std::unique_ptr< OggVorbisComment > > &	tags ()
	Returns the tags of the file.

const std::vector< std::unique_ptr< OggStream > > &	tracks () const
	Returns the tracks of the file.

std::vector< std::unique_ptr< OggStream > > &	tracks ()
	Returns the tracks of the file.

bool	addTrack (OggStream *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 ElementPosition	determineTagPosition (Diagnostics &diag) const
	Determines the position of the tags inside the file.

virtual bool	supportsTrackModifications () const
	Returns whether the implementation supports adding or removing of tracks.

virtual ElementPosition	determineIndexPosition (Diagnostics &diag) const
	Determines the position of the index.

virtual AbstractChapter *	chapter (std::size_t index)
	Returns the chapter with the specified index.

virtual std::size_t	chapterCount () const
	Returns the number of chapters the container holds.

virtual AbstractAttachment *	createAttachment ()
	Creates and returns a new attachment.

virtual AbstractAttachment *	attachment (std::size_t index)
	Returns the attachment with the specified index.

virtual std::size_t	attachmentCount () const
	Returns the number of attachments the container holds.

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.

virtual bool	supportsTitle () const
	Returns whether the title property is supported.

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.

virtual std::size_t	segmentCount () const
	Returns the number of segments.

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	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.

virtual void	internalParseChapters (Diagnostics &diag, AbortableProgressFeedback &progress)
	Internally called to parse the chapters.

virtual void	internalParseAttachments (Diagnostics &diag, AbortableProgressFeedback &progress)
	Internally called to parse the attachments.

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.

Friends
class	OggStream

Additional Inherited Members
Public Types inherited from TagParser::GenericContainer< MediaFileInfo, OggVorbisComment, OggStream, OggPage >
using	ContainerFileInfoType

using	ContainerTagType

using	ContainerTrackType

using	ContainerElementType

Protected Attributes inherited from TagParser::GenericContainer< MediaFileInfo, OggVorbisComment, OggStream, OggPage >
std::unique_ptr< OggPage >	m_firstElement

std::vector< std::unique_ptr< OggPage > >	m_additionalElements

std::vector< std::unique_ptr< OggVorbisComment > >	m_tags

std::vector< std::unique_ptr< OggStream > >	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 TagParser::AbstractContainer for Ogg files.

Constructor & Destructor Documentation

◆ OggContainer()

TagParser::OggContainer::OggContainer	(	MediaFileInfo &	fileInfo,
		std::uint64_t	startOffset )

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

Definition at line 48 of file oggcontainer.cpp.

◆ ~OggContainer()

TagParser::OggContainer::~OggContainer ( )

override

Definition at line 55 of file oggcontainer.cpp.

Member Function Documentation

◆ createTag()

OggVorbisComment * TagParser::OggContainer::createTag ( const TagTarget & target )

overridevirtual

Creates a new tag.

See also: AbstractContainer::createTag()

Remarks

Tracks must be parsed before because tags are stored on track level!
The track can be specified via the target argument. However, only the first track of tracks() array of target is considered.
If tracks() array of target is empty, the first track/tag is picked.
Vorbis streams should always have a tag assigned; this method allows creation of a tag for Vorbis streams if none is present though.
FLAC streams should always have a tag assigned; this method does not allow creation of a tag for FLAC streams if none is present though.

Reimplemented from TagParser::GenericContainer< MediaFileInfo, OggVorbisComment, OggStream, OggPage >.

Definition at line 74 of file oggcontainer.cpp.

◆ internalMakeFile()

void TagParser::OggContainer::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 424 of file oggcontainer.cpp.

◆ internalParseHeader()

void TagParser::OggContainer::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 188 of file oggcontainer.cpp.

◆ internalParseTags()

void TagParser::OggContainer::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 279 of file oggcontainer.cpp.

◆ internalParseTracks()

void TagParser::OggContainer::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 360 of file oggcontainer.cpp.

◆ isChecksumValidationEnabled()

bool TagParser::OggContainer::isChecksumValidationEnabled ( ) const

inline

Returns whether checksum validation is enabled.

If checksum validation is enabled, the parser will validate the Ogg pages by checking the CRC32 checksum.

See also: setChecksumValidationEnabled()

Definition at line 177 of file oggcontainer.h.

◆ removeAllTags()

void TagParser::OggContainer::removeAllTags ( )

overridevirtual

Actually just flags all tags as removed and clears all assigned fields.

This specialization is necessary because completeley removing the tag would also remove the Ogg parameter which are needed when applying the changes.

Remarks: Seems like common players aren't able to play Vorbis when no comment is present. So do NOT use this method to remove tags from Vorbis, just call removeAllFields() on all tags.

See also: AbstractContainer::removeAllTags()

Reimplemented from TagParser::GenericContainer< MediaFileInfo, OggVorbisComment, OggStream, OggPage >.

Definition at line 180 of file oggcontainer.cpp.

◆ removeTag()

bool TagParser::OggContainer::removeTag ( Tag * tag )

overridevirtual

Actually just flags the specified tag as removed and clears all assigned fields.

This specialization is necessary because removing the tag completely would also remove the Ogg parameter which are needed when applying changes.

Remarks: Seems like common players aren't able to play Vorbis when no comment is present. So do NOT use this method to remove tags from Vorbis, just call Tag::removeAllFields() on tag.

Reimplemented from TagParser::GenericContainer< MediaFileInfo, OggVorbisComment, OggStream, OggPage >.

Definition at line 158 of file oggcontainer.cpp.

◆ reset()

void TagParser::OggContainer::reset ( )

overridevirtual

Discards all parsing results.

Reimplemented from TagParser::GenericContainer< MediaFileInfo, OggVorbisComment, OggStream, OggPage >.

Definition at line 59 of file oggcontainer.cpp.

◆ setChecksumValidationEnabled()

void TagParser::OggContainer::setChecksumValidationEnabled ( bool enabled )

inline

Sets whether checksum validation is enabled.

See also: isChecksumValidationEnabled()

Definition at line 186 of file oggcontainer.h.

◆ tag()

OggVorbisComment * TagParser::OggContainer::tag ( std::size_t index )

overridevirtual

Returns the tag with the specified index.

index must be less than tagCount().

Reimplemented from TagParser::GenericContainer< MediaFileInfo, OggVorbisComment, OggStream, OggPage >.

Definition at line 124 of file oggcontainer.cpp.

◆ tagCount()

size_t TagParser::OggContainer::tagCount ( ) const

overridevirtual

Returns the number of tags attached to the container.

This method returns zero if the tags have not been parsed yet.

Reimplemented from TagParser::GenericContainer< MediaFileInfo, OggVorbisComment, OggStream, OggPage >.

Definition at line 138 of file oggcontainer.cpp.

Friends And Related Symbol Documentation

◆ OggStream

friend class OggStream

friend

Definition at line 135 of file oggcontainer.h.

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

ogg/oggcontainer.h
ogg/oggcontainer.cpp

Public Member Functions

Protected Member Functions

Friends

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ OggContainer()

◆ ~OggContainer()

Member Function Documentation

◆ createTag()

◆ internalMakeFile()

◆ internalParseHeader()

◆ internalParseTags()

◆ internalParseTracks()

◆ isChecksumValidationEnabled()

◆ removeAllTags()

◆ removeTag()

◆ reset()

◆ setChecksumValidationEnabled()

◆ tag()

◆ tagCount()

Friends And Related Symbol Documentation

◆ OggStream