TagLib::MP4 Namespace Reference

An implementation of MP4 (AAC, ALAC, ...) metadata. More...

Classes
class	Chapter
class	ChapterHolder
class	CoverArt
	MP4 picture. More...
class	File
	An implementation of TagLib::File with MP4 specific methods. More...
class	Item
	MP4 item. More...
class	ItemFactory
	A factory for creating MP4 items during parsing. More...
class	NeroChapterList
class	Properties
	An implementation of MP4 audio properties. More...
class	QtChapterList
class	Stem
class	StemPrivate
	STEM. More...
class	Tag
	An MP4 tag implementation. More...

Typedefs
using	ChapterList = List< Chapter >
	List of chapters.
using	CoverArtList = List< CoverArt >
using	ItemMap = TagLib::Map< String, Item >

Enumerations
enum	AtomDataType {   TypeImplicit = 0 , TypeUTF8 = 1 , TypeUTF16 = 2 , TypeSJIS = 3 ,   TypeHTML = 6 , TypeXML = 7 , TypeUUID = 8 , TypeISRC = 9 ,   TypeMI3P = 10 , TypeGIF = 12 , TypeJPEG = 13 , TypePNG = 14 ,   TypeURL = 15 , TypeDuration = 16 , TypeDateTime = 17 , TypeGenred = 18 ,   TypeInteger = 21 , TypeRIAAPA = 24 , TypeUPC = 25 , TypeBMP = 27 ,   TypeUndefined = 255 }

Functions
template<typename T >
ChapterList	getChaptersLazy (std::unique_ptr< T > &holder, TagLib::File *file)
template<typename T >
void	setChaptersLazy (std::unique_ptr< T > &holder, const ChapterList &chapters)
template<typename T >
bool	saveChaptersIfModified (std::unique_ptr< T > &holder, TagLib::File *file)

Detailed Description

An implementation of MP4 (AAC, ALAC, ...) metadata.

Typedef Documentation

ChapterList

using TagLib::MP4::ChapterList = typedef List<Chapter>

List of chapters.

CoverArtList

using TagLib::MP4::CoverArtList = typedef List<CoverArt>

ItemMap

using TagLib::MP4::ItemMap = typedef TagLib::Map<String, Item>

Enumeration Type Documentation

AtomDataType

enum TagLib::MP4::AtomDataType

Enumerator
TypeImplicit	For use with tags for which no type needs to be indicated because only one type is allowed.
TypeUTF8	Without any count or null terminator.
TypeUTF16	Also known as UTF-16BE.
TypeSJIS	Deprecated unless it is needed for special Japanese characters.
TypeHTML	The HTML file header specifies which HTML version.
TypeXML	The XML header must identify the DTD or schemas.
TypeUUID	Also known as GUID; stored as 16 bytes in binary (valid as an ID)
TypeISRC	Stored as UTF-8 text (valid as an ID)
TypeMI3P	Stored as UTF-8 text (valid as an ID)
TypeGIF	(Deprecated) A GIF image
TypeJPEG	A JPEG image.
TypePNG	A PNG image.
TypeURL	Absolute, in UTF-8 characters.
TypeDuration	In milliseconds, 32-bit integer.
TypeDateTime	In UTC, counting seconds since midnight, January 1, 1904; 32 or 64-bits.
TypeGenred	A list of enumerated values.
TypeInteger	A signed big-endian integer with length one of { 1,2,3,4,8 } bytes.
TypeRIAAPA	RIAA parental advisory; { -1=no, 1=yes, 0=unspecified }, 8-bit integer.
TypeUPC	Universal Product Code, in text UTF-8 format (valid as an ID)
TypeBMP	Windows bitmap image.
TypeUndefined	Undefined.

Function Documentation

getChaptersLazy()

template<typename T >

ChapterList TagLib::MP4::getChaptersLazy	(	std::unique_ptr< T > &	holder,
		TagLib::File *	file
	)

Lazily fetch list of chapters.

Template Parameters

T	class derived from ChapterHolder and implementing read(File *)

Parameters

holder	unique pointer to holder, initially null
file	file with chapters

Returns

list of chapters, empty if no chapters found.

saveChaptersIfModified()

template<typename T >

bool TagLib::MP4::saveChaptersIfModified	(	std::unique_ptr< T > &	holder,
		TagLib::File *	file
	)

Save a list of chapters if it has been modified.

Template Parameters

T	class derived from ChapterHolder and implementing write(File *)

Parameters

holder	unique pointer to holder, initially null
file	file with chapters

Returns

true if write successful or not modified.

setChaptersLazy()

template<typename T >

void TagLib::MP4::setChaptersLazy	(	std::unique_ptr< T > &	holder,
		const ChapterList &	chapters
	)

Lazily set a list of chapters.

Template Parameters

T	class derived from ChapterHolder

Parameters

holder	unique pointer to holder, initially null
chapters	list of chapters to set