The AbstractTrack class parses and stores technical information about video, audio and other kinds of media tracks. More...

#include <abstracttrack.h>

Inheritance diagram for TagParser::AbstractTrack:

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Collaboration diagram for TagParser::AbstractTrack:

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Public Member Functions
virtual	~AbstractTrack ()
	Destroys the track.

virtual TrackType	type () const
	Returns the type of the track if known; otherwise returns TrackType::Unspecified.

std::istream &	inputStream ()
	Returns the associated input stream.

void	setInputStream (std::istream &stream)
	Assigns another input stream.

std::ostream &	outputStream ()
	Returns the associated output stream.

void	setOutputStream (std::ostream &stream)
	Assigns another output stream.

CppUtilities::BinaryReader &	reader ()
	Returns a binary reader for the associated stream.

CppUtilities::BinaryWriter &	writer ()
	Returns a binary writer for the associated stream.

std::uint64_t	startOffset () const
	Returns the start offset of the track in the associated stream.

TrackFlags	flags () const
	Returns flags (various boolean properties) of this track.

MediaFormat	format () const
	Returns the format of the track if known; otherwise returns MediaFormat::Unknown.

double	version () const
	Returns the version/level of the track if known; otherwise returns 0.

std::string_view	formatName () const
	Returns the format of the track as C-style string if known; otherwise returns the format abbreviation or an empty string.

std::string_view	formatAbbreviation () const
	Returns the a more or less common abbreviation for the format of the track if known; otherwise returns an empty string.

const std::string &	formatId () const
	Returns the format/codec ID.

MediaType	mediaType () const
	Returns the media type if known; otherwise returns MediaType::Other.

std::string_view	mediaTypeName () const
	Returns the string representation of the media type of the track.

std::uint64_t	size () const
	Returns the size in bytes if known; otherwise returns 0.

void	setSize (std::uint64_t size)
	Sets the size in bytes.

std::uint32_t	trackNumber () const
	Returns the track number if known; otherwise returns 0.

void	setTrackNumber (std::uint32_t trackNumber)
	Sets the track number.

std::uint64_t	id () const
	Returns the track ID if known; otherwise returns 0.

void	setId (std::uint64_t id)
	Sets the track ID.

const std::string	name () const
	Returns the track name if known; otherwise returns an empty string.

void	setName (std::string_view name)
	Sets the name.

const CppUtilities::TimeSpan &	duration () const
	Returns the duration if known; otherwise returns a TimeSpan of zero ticks.

double	bitrate () const
	Returns the average bitrate in kbit/s if known; otherwise returns zero.

double	maxBitrate () const
	Returns the maximum bitrate in kbit/s if known; otherwise returns zero.

const CppUtilities::DateTime &	creationTime () const
	Returns the creation time if known; otherwise returns a DateTime of zero ticks.

const CppUtilities::DateTime &	modificationTime () const
	Returns the time of the last modification if known; otherwise returns a DateTime of zero ticks.

const Locale &	locale () const
	Returns the locale of the track if known; otherwise returns an empty locale.

void	setLocale (const Locale &locale)
	Sets the locale of the track.

std::uint32_t	samplingFrequency () const
	Returns the number of samples per second if known; otherwise returns 0.

std::uint32_t	extensionSamplingFrequency () const
	Returns the number of samples per second if known; otherwise returns 0.

std::uint16_t	bitsPerSample () const
	Returns the number of bits per sample; otherwise returns 0.

std::uint16_t	channelCount () const
	Returns the number of channels if known; otherwise returns 0.

std::uint8_t	channelConfig () const
	Returns the channel configuration.

std::string_view	channelConfigString () const
	Returns a string with the channel configuration if available; otherwise returns nullptr.

std::uint8_t	extensionChannelConfig () const
	Returns the extension channel configuration if available; otherwise returns nullptr.

std::string_view	extensionChannelConfigString () const
	Returns a string with the extension channel configuration if available; otherwise returns nullptr.

std::uint64_t	sampleCount () const
	Returns the number of samples/frames if known; otherwise returns 0.

int	quality () const
	Returns the quality if known; otherwise returns 0.

const Size &	pixelSize () const
	Returns the size of the encoded video frames if known; otherwise returns a zero size.

const Size &	displaySize () const
	Returns the size of the video frames to display if known; otherwise returns a zero size.

const Size &	resolution () const
	Returns the resolution if known; otherwise returns a zero size.

const std::string &	compressorName () const
	Returns the compressor name if known; otherwise returns an empty string.

void	setCompressorName (std::string_view compressorName)
	Returns the compressor name if known; otherwise returns an empty string.

std::uint16_t	depth () const
	Returns the bit depth if known; otherwise returns 0.

std::uint32_t	fps () const
	Returns the number of frames per second if known; otherwise returns 0.

std::string_view	chromaFormat () const
	Returns the chroma subsampling format if known; otherwise returns nullptr.

const AspectRatio &	pixelAspectRatio () const
	Returns the pixel aspect ratio (PAR).

bool	isInterlaced () const
	Returns true if the video is interlaced; otherwise returns false.

std::uint32_t	timeScale () const
	Returns the time scale if known; otherwise returns 0.

bool	isEnabled () const
	Returns true if the track is marked as enabled; otherwise returns false.

void	setEnabled (bool enabled)
	Sets whether the track is enabled.

bool	isDefault () const
	Returns true if the track is marked as default; otherwise returns false.

void	setDefault (bool isDefault)
	Sets whether the track is a default track.

bool	isForced () const
	Returns true if the track is marked as forced; otherwise returns false.

void	setForced (bool forced)
	Sets whether the track is forced.

bool	hasLacing () const
	Returns true if the track has lacing; otherwise returns false.

bool	isEncrypted () const
	Returns true if the track is marked as encrypted; otherwise returns false.

std::uint32_t	colorSpace () const
	Returns the color space if known; otherwise returns 0.

const Margin &	cropping () const
	Returns the cropping if known; otherwise returns zero margins.

std::string	label () const
	Returns a label for the track.

std::string	description () const
	Returns a description about the track.

std::string	shortDescription () const
	Returns a short description about the track.

void	parseHeader (Diagnostics &diag, AbortableProgressFeedback &progress)
	Parses technical information about the track from the header.

bool	isHeaderValid () const
	Returns an indication whether the track header is valid.

Protected Member Functions
	AbstractTrack (std::istream &inputStream, std::ostream &outputStream, std::uint64_t startOffset)
	Constructs a new track.

	AbstractTrack (std::iostream &stream, std::uint64_t startOffset)
	Constructs a new track.

virtual void	internalParseHeader (Diagnostics &diag, AbortableProgressFeedback &progress)=0
	This method is internally called to parse header information.

Protected Attributes
std::istream *	m_istream

std::ostream *	m_ostream

CppUtilities::BinaryReader	m_reader

CppUtilities::BinaryWriter	m_writer

std::uint64_t	m_startOffset

TrackFlags	m_flags

MediaFormat	m_format

std::string	m_formatId

std::string	m_formatName

MediaType	m_mediaType

double	m_version

std::uint64_t	m_size

std::uint32_t	m_trackNumber

std::uint64_t	m_id

std::string	m_name

CppUtilities::TimeSpan	m_duration

double	m_bitrate

double	m_maxBitrate

CppUtilities::DateTime	m_creationTime

CppUtilities::DateTime	m_modificationTime

Locale	m_locale

std::uint32_t	m_samplingFrequency

std::uint32_t	m_extensionSamplingFrequency

std::uint16_t	m_bitsPerSample

std::uint32_t	m_bytesPerSecond

std::uint16_t	m_channelCount

std::uint8_t	m_channelConfig

std::uint8_t	m_extensionChannelConfig

std::uint16_t	m_chunkSize

std::uint64_t	m_sampleCount

int	m_quality

Size	m_pixelSize

Size	m_displaySize

Size	m_resolution

std::string	m_compressorName

std::uint16_t	m_depth

std::uint32_t	m_fps

std::string_view	m_chromaFormat

AspectRatio	m_pixelAspectRatio

std::uint32_t	m_timeScale

std::uint32_t	m_colorSpace

Margin	m_cropping

FieldOrder	m_fieldOrder

StereoMode	m_stereoMode

AlphaMode	m_alphaMode

DisplayUnit	m_displayUnit

AspectRatioType	m_aspectRatioType

std::unique_ptr< AbstractTrackPrivate >	m_p

Friends
class	MpegAudioFrameStream

class	WaveAudioStream

class	Mp4Track

Detailed Description

The AbstractTrack class parses and stores technical information about video, audio and other kinds of media tracks.

The tag class only provides the interface and common functionality. It is meant to be subclassed.

Definition at line 110 of file abstracttrack.h.

Constructor & Destructor Documentation

◆ ~AbstractTrack()

TagParser::AbstractTrack::~AbstractTrack ( )

virtual

Destroys the track.

Definition at line 84 of file abstracttrack.cpp.

◆ AbstractTrack() [1/2]

TagParser::AbstractTrack::AbstractTrack	(	std::istream &	inputStream,
		std::ostream &	outputStream,
		std::uint64_t	startOffset
	)

protected

Constructs a new track.

Parameters

inputStream	Specifies the stream the track will read from to perform particular operations such as reading header information.
outputStream	Specifies the stream the track will write to to perform particular operations such as updating or making header information.
startOffset	The start offset of the track in the specified stream.

Definition at line 33 of file abstracttrack.cpp.

◆ AbstractTrack() [2/2]

TagParser::AbstractTrack::AbstractTrack	(	std::iostream &	stream,
		std::uint64_t	startOffset
	)

protected

Constructs a new track.

Parameters

stream	Specifies the stream the track will read from or write to to perform particular operations such as reading header information.
startOffset	The start offset of the track in the specified stream.

Definition at line 76 of file abstracttrack.cpp.

Member Function Documentation

◆ bitrate()

double TagParser::AbstractTrack::bitrate ( ) const

inline

Returns the average bitrate in kbit/s if known; otherwise returns zero.

Definition at line 475 of file abstracttrack.h.

◆ bitsPerSample()

std::uint16_t TagParser::AbstractTrack::bitsPerSample ( ) const

inline

Returns the number of bits per sample; otherwise returns 0.

Definition at line 543 of file abstracttrack.h.

◆ channelConfig()

std::uint8_t TagParser::AbstractTrack::channelConfig ( ) const

inline

Returns the channel configuration.

This is the MPEG-4 channel config for MPEG-4 audio.

See also: Mpeg4ChannelConfigs::channelConfigString()

Definition at line 564 of file abstracttrack.h.

◆ channelConfigString()

std::string_view TagParser::AbstractTrack::channelConfigString ( ) const

Returns a string with the channel configuration if available; otherwise returns nullptr.

Definition at line 91 of file abstracttrack.cpp.

◆ channelCount()

std::uint16_t TagParser::AbstractTrack::channelCount ( ) const

inline

Returns the number of channels if known; otherwise returns 0.

This value only makes sense for audio tracks.

Definition at line 553 of file abstracttrack.h.

◆ chromaFormat()

std::string_view TagParser::AbstractTrack::chromaFormat ( ) const

inline

Returns the chroma subsampling format if known; otherwise returns nullptr.

This value only makes sense for video tracks.

Definition at line 657 of file abstracttrack.h.

◆ colorSpace()

std::uint32_t TagParser::AbstractTrack::colorSpace ( ) const

inline

Returns the color space if known; otherwise returns 0.

Definition at line 760 of file abstracttrack.h.

◆ compressorName()

const std::string & TagParser::AbstractTrack::compressorName ( ) const

inline

Returns the compressor name if known; otherwise returns an empty string.

Definition at line 620 of file abstracttrack.h.

◆ creationTime()

const CppUtilities::DateTime & TagParser::AbstractTrack::creationTime ( ) const

inline

Returns the creation time if known; otherwise returns a DateTime of zero ticks.

Definition at line 491 of file abstracttrack.h.

◆ cropping()

const Margin & TagParser::AbstractTrack::cropping ( ) const

inline

Returns the cropping if known; otherwise returns zero margins.

Definition at line 768 of file abstracttrack.h.

◆ depth()

std::uint16_t TagParser::AbstractTrack::depth ( ) const

inline

Returns the bit depth if known; otherwise returns 0.

Definition at line 637 of file abstracttrack.h.

◆ description()

string TagParser::AbstractTrack::description ( ) const

Returns a description about the track.

The description contains the abbreviated format and further information depending on the media type (eg. display size in case of video, language in case of audio/text). It is intended to be joined with descriptions of other tracks to get a short technical description about the file.

Examples (exact format might change in the future!):

H.264.nosp@m.-Hig.nosp@m.h-10@.nosp@m.5.1-.nosp@m.720p
HE-AAC-6ch-eng

Definition at line 212 of file abstracttrack.cpp.

◆ displaySize()

const Size & TagParser::AbstractTrack::displaySize ( ) const

inline

Returns the size of the video frames to display if known; otherwise returns a zero size.

This value only makes sense for video tracks.

Definition at line 602 of file abstracttrack.h.

◆ duration()

const CppUtilities::TimeSpan & TagParser::AbstractTrack::duration ( ) const

inline

Returns the duration if known; otherwise returns a TimeSpan of zero ticks.

Definition at line 467 of file abstracttrack.h.

◆ extensionChannelConfig()

std::uint8_t TagParser::AbstractTrack::extensionChannelConfig ( ) const

Returns the extension channel configuration if available; otherwise returns nullptr.

Definition at line 107 of file abstracttrack.cpp.

◆ extensionChannelConfigString()

std::string_view TagParser::AbstractTrack::extensionChannelConfigString ( ) const

Returns a string with the extension channel configuration if available; otherwise returns nullptr.

Definition at line 115 of file abstracttrack.cpp.

◆ extensionSamplingFrequency()

std::uint32_t TagParser::AbstractTrack::extensionSamplingFrequency ( ) const

inline

Returns the number of samples per second if known; otherwise returns 0.

Remarks: This sample rate value takes extensions like SBR into account.

Definition at line 535 of file abstracttrack.h.

◆ flags()

TrackFlags TagParser::AbstractTrack::flags ( ) const

inline

Returns flags (various boolean properties) of this track.

See also: TrackFlags

Definition at line 325 of file abstracttrack.h.

◆ format()

MediaFormat TagParser::AbstractTrack::format ( ) const

inline

Returns the format of the track if known; otherwise returns MediaFormat::Unknown.

Definition at line 333 of file abstracttrack.h.

◆ formatAbbreviation()

std::string_view TagParser::AbstractTrack::formatAbbreviation ( ) const

inline

Returns the a more or less common abbreviation for the format of the track if known; otherwise returns an empty string.

Definition at line 361 of file abstracttrack.h.

◆ formatId()

const std::string & TagParser::AbstractTrack::formatId ( ) const

inline

Returns the format/codec ID.

This is usually the raw format identifier extracted from the container) if known; otherwise returns an empty string.

Definition at line 371 of file abstracttrack.h.

◆ formatName()

std::string_view TagParser::AbstractTrack::formatName ( ) const

inline

Returns the format of the track as C-style string if known; otherwise returns the format abbreviation or an empty string.

Remarks

The string might get invalidated when the track is (re)parsed.

Definition at line 352 of file abstracttrack.h.

◆ fps()

std::uint32_t TagParser::AbstractTrack::fps ( ) const

inline

Returns the number of frames per second if known; otherwise returns 0.

This value only makes sense for video tracks.

Definition at line 647 of file abstracttrack.h.

◆ hasLacing()

bool TagParser::AbstractTrack::hasLacing ( ) const

inline

Returns true if the track has lacing; otherwise returns false.

Definition at line 744 of file abstracttrack.h.

◆ id()

std::uint64_t TagParser::AbstractTrack::id ( ) const

inline

Returns the track ID if known; otherwise returns 0.

Definition at line 433 of file abstracttrack.h.

◆ inputStream()

std::istream & TagParser::AbstractTrack::inputStream ( )

inline

Returns the associated input stream.

Definition at line 248 of file abstracttrack.h.

◆ internalParseHeader()

TagParser::AbstractTrack::internalParseHeader	(	Diagnostics &	diag,
		AbortableProgressFeedback &	progress
	)

protectedpure virtual

This method is internally called to parse header information.

It needs to be implemented when subclassing this class.

Exceptions

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

Implemented in TagParser::AdtsStream, TagParser::FlacStream, TagParser::IvfStream, TagParser::MatroskaTrack, TagParser::Mp4Track, TagParser::MpegAudioFrameStream, TagParser::OggStream, and TagParser::WaveAudioStream.

◆ isDefault()

bool TagParser::AbstractTrack::isDefault ( ) const

inline

Returns true if the track is marked as default; otherwise returns false.

Definition at line 710 of file abstracttrack.h.

◆ isEnabled()

bool TagParser::AbstractTrack::isEnabled ( ) const

inline

Returns true if the track is marked as enabled; otherwise returns false.

Definition at line 693 of file abstracttrack.h.

◆ isEncrypted()

bool TagParser::AbstractTrack::isEncrypted ( ) const

inline

Returns true if the track is marked as encrypted; otherwise returns false.

Definition at line 752 of file abstracttrack.h.

◆ isForced()

bool TagParser::AbstractTrack::isForced ( ) const

inline

Returns true if the track is marked as forced; otherwise returns false.

Definition at line 727 of file abstracttrack.h.

◆ isHeaderValid()

bool TagParser::AbstractTrack::isHeaderValid ( ) const

inline

Returns an indication whether the track header is valid.

Definition at line 776 of file abstracttrack.h.

◆ isInterlaced()

bool TagParser::AbstractTrack::isInterlaced ( ) const

inline

Returns true if the video is interlaced; otherwise returns false.

This value only makes sense for video tracks.

Definition at line 675 of file abstracttrack.h.

◆ label()

string TagParser::AbstractTrack::label ( ) const

Returns a label for the track.

The label contains the ID, type, name and language of the track. It is intended to be used in a menu for selecting a track from the file.

Definition at line 131 of file abstracttrack.cpp.

◆ locale()

const Locale & TagParser::AbstractTrack::locale ( ) const

inline

Returns the locale of the track if known; otherwise returns an empty locale.

The format of the locale depends on the particular format/implementation.

Definition at line 509 of file abstracttrack.h.

◆ maxBitrate()

double TagParser::AbstractTrack::maxBitrate ( ) const

inline

Returns the maximum bitrate in kbit/s if known; otherwise returns zero.

Definition at line 483 of file abstracttrack.h.

◆ mediaType()

MediaType TagParser::AbstractTrack::mediaType ( ) const

inline

Returns the media type if known; otherwise returns MediaType::Other.

Definition at line 379 of file abstracttrack.h.

◆ mediaTypeName()

std::string_view TagParser::AbstractTrack::mediaTypeName ( ) const

inline

Returns the string representation of the media type of the track.

Definition at line 387 of file abstracttrack.h.

◆ modificationTime()

const CppUtilities::DateTime & TagParser::AbstractTrack::modificationTime ( ) const

inline

Returns the time of the last modification if known; otherwise returns a DateTime of zero ticks.

Definition at line 499 of file abstracttrack.h.

◆ name()

const std::string TagParser::AbstractTrack::name ( ) const

inline

Returns the track name if known; otherwise returns an empty string.

Definition at line 450 of file abstracttrack.h.

◆ outputStream()

std::ostream & TagParser::AbstractTrack::outputStream ( )

inline

Returns the associated output stream.

Definition at line 267 of file abstracttrack.h.

◆ parseHeader()

void TagParser::AbstractTrack::parseHeader	(	Diagnostics &	diag,
		AbortableProgressFeedback &	progress
	)

Parses technical information about the track from the header.

The information will be read from the associated stream. The stream and the start offset of the track have been specified when constructing the Track.

The parsed information can be accessed using the corresponding methods.

Exceptions

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

Definition at line 243 of file abstracttrack.cpp.

◆ pixelAspectRatio()

const AspectRatio & TagParser::AbstractTrack::pixelAspectRatio ( ) const

inline

Returns the pixel aspect ratio (PAR).

Definition at line 665 of file abstracttrack.h.

◆ pixelSize()

const Size & TagParser::AbstractTrack::pixelSize ( ) const

inline

Returns the size of the encoded video frames if known; otherwise returns a zero size.

This value only makes sense for video tracks.

Definition at line 592 of file abstracttrack.h.

◆ quality()

int TagParser::AbstractTrack::quality ( ) const

inline

Returns the quality if known; otherwise returns 0.

The scale depends on the format.

Definition at line 582 of file abstracttrack.h.

◆ reader()

CppUtilities::BinaryReader & TagParser::AbstractTrack::reader ( )

inline

Returns a binary reader for the associated stream.

Remarks: The returned reader is internally used when reading binary data from the associated stream. Do not change its byte order.

Definition at line 289 of file abstracttrack.h.

◆ resolution()

const Size & TagParser::AbstractTrack::resolution ( ) const

inline

Returns the resolution if known; otherwise returns a zero size.

This value only makes sense for video tracks.

Definition at line 612 of file abstracttrack.h.

◆ sampleCount()

std::uint64_t TagParser::AbstractTrack::sampleCount ( ) const

inline

Returns the number of samples/frames if known; otherwise returns 0.

Definition at line 572 of file abstracttrack.h.

◆ samplingFrequency()

std::uint32_t TagParser::AbstractTrack::samplingFrequency ( ) const

inline

Returns the number of samples per second if known; otherwise returns 0.

Definition at line 526 of file abstracttrack.h.

◆ setCompressorName()

void TagParser::AbstractTrack::setCompressorName ( std::string_view compressorName )

inline

Returns the compressor name if known; otherwise returns an empty string.

Remarks: Whether the new value is applied when saving changes depends on the implementation.

Definition at line 629 of file abstracttrack.h.

◆ setDefault()

void TagParser::AbstractTrack::setDefault ( bool isDefault )

inline

Sets whether the track is a default track.

Remarks: Whether the new value is applied when saving changes depends on the implementation.

Definition at line 719 of file abstracttrack.h.

◆ setEnabled()

void TagParser::AbstractTrack::setEnabled ( bool enabled )

inline

Sets whether the track is enabled.

Remarks: Whether the new value is applied when saving changes depends on the implementation.

Definition at line 702 of file abstracttrack.h.

◆ setForced()

void TagParser::AbstractTrack::setForced ( bool forced )

inline

Sets whether the track is forced.

Remarks: Whether the new value is applied when saving changes depends on the implementation.

Definition at line 736 of file abstracttrack.h.

◆ setId()

void TagParser::AbstractTrack::setId ( std::uint64_t id )

inline

Sets the track ID.

Remarks: Whether the new value is applied when saving changes depends on the implementation.

Definition at line 442 of file abstracttrack.h.

◆ setInputStream()

void TagParser::AbstractTrack::setInputStream ( std::istream & stream )

inline

Assigns another input stream.

The track will read from the stream to perform particular operations such as reading header information.

Definition at line 259 of file abstracttrack.h.

◆ setLocale()

void TagParser::AbstractTrack::setLocale ( const Locale & locale )

inline

Sets the locale of the track.

Remarks: Whether the new value is applied when saving changes depends on the format/implementation.

Definition at line 518 of file abstracttrack.h.

◆ setName()

void TagParser::AbstractTrack::setName ( std::string_view name )

inline

Sets the name.

Remarks: Whether the new value is applied when saving changes depends on the implementation.

Definition at line 459 of file abstracttrack.h.

◆ setOutputStream()

void TagParser::AbstractTrack::setOutputStream ( std::ostream & stream )

inline

Assigns another output stream.

The track will write to the stream to perform particular operations such as updating or making header information.

Definition at line 278 of file abstracttrack.h.

◆ setSize()

void TagParser::AbstractTrack::setSize ( std::uint64_t size )

inline

Sets the size in bytes.

Remarks: This is used by MediaFileInfo to set the track size for certain types of tracks before invoking the parsing. If you use this a class derived from AbstractTrack directly you may want to do the same if not the entire input stream is supposed to be considered part of the track and the parser would otherwise assume that (like the parser of MpegAudioFrameStream might do).

Definition at line 408 of file abstracttrack.h.

◆ setTrackNumber()

void TagParser::AbstractTrack::setTrackNumber ( std::uint32_t trackNumber )

inline

Sets the track number.

Remarks: Whether the new value is applied when saving changes depends on the implementation.

Definition at line 425 of file abstracttrack.h.

◆ shortDescription()

string TagParser::AbstractTrack::shortDescription ( ) const

Returns a short description about the track.

See description() for details.

Examples (exact format might change in the future!):

H.264-720p
HE-AAC-6ch-eng

Definition at line 226 of file abstracttrack.cpp.

◆ size()

std::uint64_t TagParser::AbstractTrack::size ( ) const

inline

Returns the size in bytes if known; otherwise returns 0.

Definition at line 395 of file abstracttrack.h.

◆ startOffset()

std::uint64_t TagParser::AbstractTrack::startOffset ( ) const

inline

Returns the start offset of the track in the associated stream.

Definition at line 316 of file abstracttrack.h.

◆ timeScale()

std::uint32_t TagParser::AbstractTrack::timeScale ( ) const

inline

Returns the time scale if known; otherwise returns 0.

The time scale depends on the format.

Definition at line 685 of file abstracttrack.h.

◆ trackNumber()

std::uint32_t TagParser::AbstractTrack::trackNumber ( ) const

inline

Returns the track number if known; otherwise returns 0.

Definition at line 416 of file abstracttrack.h.

◆ type()

TrackType TagParser::AbstractTrack::type ( ) const

inlinevirtual

Returns the type of the track if known; otherwise returns TrackType::Unspecified.

Reimplemented in TagParser::AdtsStream, TagParser::FlacStream, TagParser::IvfStream, TagParser::MatroskaTrack, TagParser::Mp4Track, TagParser::MpegAudioFrameStream, TagParser::OggStream, and TagParser::WaveAudioStream.

Definition at line 308 of file abstracttrack.h.

◆ version()

double TagParser::AbstractTrack::version ( ) const

inline

Returns the version/level of the track if known; otherwise returns 0.

Definition at line 341 of file abstracttrack.h.

◆ writer()

CppUtilities::BinaryWriter & TagParser::AbstractTrack::writer ( )

inline

Returns a binary writer for the associated stream.

Remarks: The returned writer is internally used when writing binary data to the associated stream. Do not change its byte order.

Definition at line 300 of file abstracttrack.h.

Friends And Related Symbol Documentation

◆ Mp4Track

friend class Mp4Track

friend

Definition at line 113 of file abstracttrack.h.

◆ MpegAudioFrameStream

friend class MpegAudioFrameStream

friend

Definition at line 111 of file abstracttrack.h.

◆ WaveAudioStream

friend class WaveAudioStream

friend

Definition at line 112 of file abstracttrack.h.

Member Data Documentation

◆ m_alphaMode

AlphaMode TagParser::AbstractTrack::m_alphaMode

protected

Definition at line 236 of file abstracttrack.h.

◆ m_aspectRatioType

AspectRatioType TagParser::AbstractTrack::m_aspectRatioType

protected

Definition at line 238 of file abstracttrack.h.

◆ m_bitrate

double TagParser::AbstractTrack::m_bitrate

protected

Definition at line 208 of file abstracttrack.h.

◆ m_bitsPerSample

std::uint16_t TagParser::AbstractTrack::m_bitsPerSample

protected

Definition at line 215 of file abstracttrack.h.

◆ m_bytesPerSecond

std::uint32_t TagParser::AbstractTrack::m_bytesPerSecond

protected

Definition at line 216 of file abstracttrack.h.

◆ m_channelConfig

std::uint8_t TagParser::AbstractTrack::m_channelConfig

protected

Definition at line 218 of file abstracttrack.h.

◆ m_channelCount

std::uint16_t TagParser::AbstractTrack::m_channelCount

protected

Definition at line 217 of file abstracttrack.h.

◆ m_chromaFormat

std::string_view TagParser::AbstractTrack::m_chromaFormat

protected

Definition at line 229 of file abstracttrack.h.

◆ m_chunkSize

std::uint16_t TagParser::AbstractTrack::m_chunkSize

protected

Definition at line 220 of file abstracttrack.h.

◆ m_colorSpace

std::uint32_t TagParser::AbstractTrack::m_colorSpace

protected

Definition at line 232 of file abstracttrack.h.

◆ m_compressorName

std::string TagParser::AbstractTrack::m_compressorName

protected

Definition at line 226 of file abstracttrack.h.

◆ m_creationTime

CppUtilities::DateTime TagParser::AbstractTrack::m_creationTime

protected

Definition at line 210 of file abstracttrack.h.

◆ m_cropping

Margin TagParser::AbstractTrack::m_cropping

protected

Definition at line 233 of file abstracttrack.h.

◆ m_depth

std::uint16_t TagParser::AbstractTrack::m_depth

protected

Definition at line 227 of file abstracttrack.h.

◆ m_displaySize

Size TagParser::AbstractTrack::m_displaySize

protected

Definition at line 224 of file abstracttrack.h.

◆ m_displayUnit

DisplayUnit TagParser::AbstractTrack::m_displayUnit

protected

Definition at line 237 of file abstracttrack.h.

◆ m_duration

CppUtilities::TimeSpan TagParser::AbstractTrack::m_duration

protected

Definition at line 207 of file abstracttrack.h.

◆ m_extensionChannelConfig

std::uint8_t TagParser::AbstractTrack::m_extensionChannelConfig

protected

Definition at line 219 of file abstracttrack.h.

◆ m_extensionSamplingFrequency

std::uint32_t TagParser::AbstractTrack::m_extensionSamplingFrequency

protected

Definition at line 214 of file abstracttrack.h.

◆ m_fieldOrder

FieldOrder TagParser::AbstractTrack::m_fieldOrder

protected

Definition at line 234 of file abstracttrack.h.

◆ m_flags

TrackFlags TagParser::AbstractTrack::m_flags

protected

Definition at line 197 of file abstracttrack.h.

◆ m_format

MediaFormat TagParser::AbstractTrack::m_format

protected

Definition at line 198 of file abstracttrack.h.

◆ m_formatId

std::string TagParser::AbstractTrack::m_formatId

protected

Definition at line 199 of file abstracttrack.h.

◆ m_formatName

std::string TagParser::AbstractTrack::m_formatName

protected

Definition at line 200 of file abstracttrack.h.

◆ m_fps

std::uint32_t TagParser::AbstractTrack::m_fps

protected

Definition at line 228 of file abstracttrack.h.

◆ m_id

std::uint64_t TagParser::AbstractTrack::m_id

protected

Definition at line 205 of file abstracttrack.h.

◆ m_istream

std::istream* TagParser::AbstractTrack::m_istream

protected

Definition at line 192 of file abstracttrack.h.

◆ m_locale

Locale TagParser::AbstractTrack::m_locale

protected

Definition at line 212 of file abstracttrack.h.

◆ m_maxBitrate

double TagParser::AbstractTrack::m_maxBitrate

protected

Definition at line 209 of file abstracttrack.h.

◆ m_mediaType

MediaType TagParser::AbstractTrack::m_mediaType

protected

Definition at line 201 of file abstracttrack.h.

◆ m_modificationTime

CppUtilities::DateTime TagParser::AbstractTrack::m_modificationTime

protected

Definition at line 211 of file abstracttrack.h.

◆ m_name

std::string TagParser::AbstractTrack::m_name

protected

Definition at line 206 of file abstracttrack.h.

◆ m_ostream

std::ostream* TagParser::AbstractTrack::m_ostream

protected

Definition at line 193 of file abstracttrack.h.

◆ m_p

std::unique_ptr<AbstractTrackPrivate> TagParser::AbstractTrack::m_p

protected

Definition at line 239 of file abstracttrack.h.

◆ m_pixelAspectRatio

AspectRatio TagParser::AbstractTrack::m_pixelAspectRatio

protected

Definition at line 230 of file abstracttrack.h.

◆ m_pixelSize

Size TagParser::AbstractTrack::m_pixelSize

protected

Definition at line 223 of file abstracttrack.h.

◆ m_quality

int TagParser::AbstractTrack::m_quality

protected

Definition at line 222 of file abstracttrack.h.

◆ m_reader

CppUtilities::BinaryReader TagParser::AbstractTrack::m_reader

protected

Definition at line 194 of file abstracttrack.h.

◆ m_resolution

Size TagParser::AbstractTrack::m_resolution

protected

Definition at line 225 of file abstracttrack.h.

◆ m_sampleCount

std::uint64_t TagParser::AbstractTrack::m_sampleCount

protected

Definition at line 221 of file abstracttrack.h.

◆ m_samplingFrequency

std::uint32_t TagParser::AbstractTrack::m_samplingFrequency

protected

Definition at line 213 of file abstracttrack.h.

◆ m_size

std::uint64_t TagParser::AbstractTrack::m_size

protected

Definition at line 203 of file abstracttrack.h.

◆ m_startOffset

std::uint64_t TagParser::AbstractTrack::m_startOffset

protected

Definition at line 196 of file abstracttrack.h.

◆ m_stereoMode

StereoMode TagParser::AbstractTrack::m_stereoMode

protected

Definition at line 235 of file abstracttrack.h.

◆ m_timeScale

std::uint32_t TagParser::AbstractTrack::m_timeScale

protected

Definition at line 231 of file abstracttrack.h.

◆ m_trackNumber

std::uint32_t TagParser::AbstractTrack::m_trackNumber

protected

Definition at line 204 of file abstracttrack.h.

◆ m_version

double TagParser::AbstractTrack::m_version

protected

Definition at line 202 of file abstracttrack.h.

◆ m_writer

CppUtilities::BinaryWriter TagParser::AbstractTrack::m_writer

protected

Definition at line 195 of file abstracttrack.h.

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

Public Member Functions

Protected Member Functions

Protected Attributes

Friends

Detailed Description

Constructor & Destructor Documentation

◆ ~AbstractTrack()

◆ AbstractTrack() [1/2]

◆ AbstractTrack() [2/2]

Member Function Documentation

◆ bitrate()

◆ bitsPerSample()

◆ channelConfig()

◆ channelConfigString()

◆ channelCount()

◆ chromaFormat()

◆ colorSpace()

◆ compressorName()

◆ creationTime()

◆ cropping()

◆ depth()

◆ description()

◆ displaySize()

◆ duration()

◆ extensionChannelConfig()

◆ extensionChannelConfigString()

◆ extensionSamplingFrequency()

◆ flags()

◆ format()

◆ formatAbbreviation()

◆ formatId()

◆ formatName()

◆ fps()

◆ hasLacing()

◆ id()

◆ inputStream()

◆ internalParseHeader()

◆ isDefault()

◆ isEnabled()

◆ isEncrypted()

◆ isForced()

◆ isHeaderValid()

◆ isInterlaced()

◆ label()

◆ locale()

◆ maxBitrate()

◆ mediaType()

◆ mediaTypeName()

◆ modificationTime()

◆ name()

◆ outputStream()

◆ parseHeader()

◆ pixelAspectRatio()

◆ pixelSize()

◆ quality()

◆ reader()

◆ resolution()

◆ sampleCount()

◆ samplingFrequency()

◆ setCompressorName()

◆ setDefault()

◆ setEnabled()

◆ setForced()

◆ setId()

◆ setInputStream()

◆ setLocale()

◆ setName()

◆ setOutputStream()

◆ setSize()

◆ setTrackNumber()

◆ shortDescription()

◆ size()

◆ startOffset()

◆ timeScale()

◆ trackNumber()

◆ type()

◆ version()

◆ writer()

Friends And Related Symbol Documentation

◆ Mp4Track