#include <FLACFile.h>

Inheritance diagram for EOUtils::FLACFile:

Collaboration diagram for EOUtils::FLACFile:

Classes
struct	DecoderClientData
	Used by FLAC decoder callbacks (same layout as FLAC client data). More...

Public Member Functions
	FLACFile (const std::string &pFilename)
	Constructor for opening an existing FLAC file for reading, which just takes the filename.
	FLACFile (const std::string &pFilenam, uint32_t pCompressionLevel)
	Constructor for opening an existing FLAC file for reading, which takes the filename and a compression level.
	FLACFile (const std::string &pFilename, const FLACFileInfo &pFLACFileInfo)
	Constructor for opening an existing FLAC file for reading.
	FLACFile (const std::string &pFilename, AudioFileModes pFileMode)
	Constructor for opening a FLAC file for reading or writing.
	FLACFile (const FLACFile &pFLACFile)
	Copy constructor.
	FLACFile (FLACFile &&pFLACFile) noexcept
	Move constructor.
	~FLACFile ()
void	setAudioFileInfo (const AudioFileInfo &pAudioFileInfo) override
	Sets the audio file info for the FLAC file.
uint32_t	CompressionLevel () const
	Returns the compression level currently set for the FLAC file.
void	CompressionLevel (uint32_t pCompressionLevel)
	Sets the compression level to use when writing FLAC files.
AudioFileResultType	open (AudioFileModes pOpenMode) override
	Opens the audio file in the given mode (read, write, or read/write).
void	close () override
	Closes the FLAC file.
bool	isOpen () const override
	Returns whether the FLAC file is open (and also has its encoder and/or decoder initialized).
const FLACFileInfo &	getFileInfo () const
	Returns a FLACFileInfo object with information about the FLAC file.
AudioFileResultType	getNextSample_int64 (int64_t &pAudioSample) override
	Gets the next sample from the file, cast to a 64-bit integer.
AudioFileResultType	writeSample_int64 (int64_t pAudioSample) override
	Writes an audio sample to the file. The parameter is a 64-bit integer but will be cast to the bitness of the audio samples in the file.
AudioFileResultType	getHighestSampleValue_int64 (int64_t &pHighestAudioSample) override
	Gets the highest audio sample value from the file, cast to a 64-bit integer.
AudioFileResultType	goToAudioDataPos () override
	Goes to the audio data position in the audio file.
size_t	numSamples () const override
	Returns the number of audio samples in the audio file.
int64_t	maxValueForSampleSize () const override
	Returns the maximum possible positive value of the audio file's sample size.
void	seekOutputToSampleNum (size_t pSampleNum) override
	Returns the maximum possible positive value of the audio file's sample size.
AudioFileInfo	getAudioFileInfo () const override
	Returns an AudioFile object with information about the audio file.
AudioFileResultType	setTitle (const std::string &pTitle) override
	Sets the title metadata tag.
AudioFileResultType	setArtist (const std::string &pArtist) override
	Sets the artist metadata tag.
AudioFileResultType	setAlbum (const std::string &pAlbum) override
	Sets the album metadata tag.
AudioFileResultType	setGenre (const std::string &pGenre) override
	Sets the genre metadata tag.
AudioFileResultType	setTrackNumber (uint32_t pTrackNumber, uint32_t pTotalTracks=0) override
	Sets the track number metadata tag.
AudioFileResultType	setYear (const std::string &pYear) override
	Sets the year/date metadata tag.
AudioFileResultType	setComment (const std::string &pComment) override
	Sets the comment metadata tag.
AudioFileResultType	getTitle (std::string &pTitle) const override
	Gets the title metadata tag.
AudioFileResultType	getArtist (std::string &pArtist) const override
	Gets the artist metadata tag.
AudioFileResultType	getAlbum (std::string &pAlbum) const override
	Gets the album metadata tag.
AudioFileResultType	getGenre (std::string &pGenre) const override
	Gets the genre metadata tag.
AudioFileResultType	getTrackNumber (uint32_t &pTrackNumber, uint32_t &pTotalTracks) const override
	Gets the track number metadata tag.
AudioFileResultType	getYear (std::string &pYear) const override
	Gets the year/date metadata tag.
AudioFileResultType	getComment (std::string &pComment) const override
	Gets the comment metadata tag.
Public Member Functions inherited from EOUtils::MetadataAudioFile
	MetadataAudioFile (const std::string &pFilename)
	MetadataAudioFile (const std::string &pFilename, AudioFileModes pFileMode)
	MetadataAudioFile (const MetadataAudioFile &pOther)
virtual	~MetadataAudioFile ()
Public Member Functions inherited from EOUtils::AudioFile
	AudioFile (const std::string &pFilename)
	Constructor.
	AudioFile (const std::string &pFilename, AudioFileModes pFileMode)
	AudioFile (const AudioFile &pAudioFile)
virtual	~AudioFile ()
virtual bool	BitrateIsAdjustable () const =0
	Returns whether or not the audio file bitrate is adjustable.
virtual bool	hasReadMode () const
	Returns whether or not read mode is enabled for the file.
virtual bool	hasWriteMode () const
	Returns whether or not write mode is enabled for the file.
const std::string &	Filename () const
	Gets the filename of the audio file.
void	Filename (const std::string &pFilename)
	Setter for the filename of the audio file.
void	setMetadata (const std::string &pName, const std::string &pValue)
	Adds a piece of metadata for the audio file.
template<typename T>
void	setMetadataFromVal (const std::string &pName, const T &pValue)
	Adds a piece of metadata for the audio file. Templatized for any value type. The value will be converted to a string to store in the metadata.
AudioFileResultType	getMetadata (const std::string &pName, std::string &pValue) const
	Gets a metadata value as a string.
template<typename T>
AudioFileResultType	getMetadataAs (const std::string &pName, T &pValue) const
	Gets a metadata value. Templatized to capture the value as any type.
std::string	getMetadata (const std::string &pName) const
	Gets a metadata value.
template<typename T>
T	getMetadataAs (const std::string &pName) const
template<typename T>
T	getMetadataAs (const std::string &pName, const T &pDefaultVal) const
	Gets a metadata value. Templatized to return it as any type.
bool	hasMetadata (const std::string &pName) const
	Returns whether or not a metadata item exists.

Additional Inherited Members
Protected Member Functions inherited from EOUtils::AudioFile
virtual std::streampos	fileSizeAccordingToStream ()
virtual void	setFileMode (AudioFileModes pFileMode)
Protected Attributes inherited from EOUtils::AudioFile
std::string	mFilename
std::fstream	mFileStream
std::ios_base::openmode	mFileOpenMode
size_t	mDataSizeBytes
std::map< std::string, std::string >	mMetadata

Constructor & Destructor Documentation

◆ FLACFile() [1/6]

EOUtils::FLACFile::FLACFile ( const std::string & pFilename )

Constructor for opening an existing FLAC file for reading, which just takes the filename.

Parameters

[in] pFilename The name of the FLAC file

Referenced by FLACFile(), FLACFile(), and FLACFile().

◆ FLACFile() [2/6]

EOUtils::FLACFile::FLACFile	(	const std::string &	pFilenam,
		uint32_t	pCompressionLevel )

Constructor for opening an existing FLAC file for reading, which takes the filename and a compression level.

Parameters

[in]	pFilename	The name of the FLAC file
[in]	pCompressionLevel	The compression level to use when writing FLAC files (0-8, where 0 is fastest and 8 is maximum compression)

◆ FLACFile() [3/6]

EOUtils::FLACFile::FLACFile	(	const std::string &	pFilename,
		const FLACFileInfo &	pFLACFileInfo )

Constructor for opening an existing FLAC file for reading.

Parameters

[in]	pFilename	The name of the FLAC file
[in]	pFLACFileInfo	An object containing information about the new FLAC file

◆ FLACFile() [4/6]

EOUtils::FLACFile::FLACFile	(	const std::string &	pFilename,
		AudioFileModes	pFileMode )

Constructor for opening a FLAC file for reading or writing.

Parameters

[in]	pFilename	The name of the FLAC file
[in]	pFileMode	The mode to open the file in (read, write, or read/write)

References FLACFile().

◆ FLACFile() [5/6]

EOUtils::FLACFile::FLACFile ( const FLACFile & pFLACFile )

Copy constructor.

References FLACFile(), and EOUtils::MetadataAudioFile::MetadataAudioFile().

◆ FLACFile() [6/6]

EOUtils::FLACFile::FLACFile ( FLACFile && pFLACFile )

noexcept

Move constructor.

References FLACFile(), and EOUtils::MetadataAudioFile::MetadataAudioFile().

◆ ~FLACFile()

EOUtils::FLACFile::~FLACFile ( )

References close().

Member Function Documentation

◆ close()

void EOUtils::FLACFile::close ( )

overridevirtual

Closes the FLAC file.

Reimplemented from EOUtils::AudioFile.

References EOUtils::AudioFile::mFileStream.

Referenced by ~FLACFile().

◆ CompressionLevel() [1/2]

uint32_t EOUtils::FLACFile::CompressionLevel ( ) const

Returns the compression level currently set for the FLAC file.

◆ CompressionLevel() [2/2]

void EOUtils::FLACFile::CompressionLevel ( uint32_t pCompressionLevel )

Sets the compression level to use when writing FLAC files.

Parameters

[in] pCompressionLevel The compression level to use when writing FLAC files (0-8, where 0 is fastest and 8 is maximum compression)

◆ getAlbum()

AudioFileResultType EOUtils::FLACFile::getAlbum ( std::string & pAlbum ) const

overridevirtual

Gets the album metadata tag.

Parameters

[out] pAlbum Will receive the album string

Returns: An AudioFileResultType with errors on failure

Implements EOUtils::MetadataAudioFile.

◆ getArtist()

AudioFileResultType EOUtils::FLACFile::getArtist ( std::string & pArtist ) const

overridevirtual

Gets the artist metadata tag.

Parameters

[out] pArtist Will receive the artist string

Returns: An AudioFileResultType with errors on failure

Implements EOUtils::MetadataAudioFile.

◆ getAudioFileInfo()

AudioFileInfo EOUtils::FLACFile::getAudioFileInfo ( ) const

overridevirtual

Returns an AudioFile object with information about the audio file.

Implements EOUtils::AudioFile.

◆ getComment()

AudioFileResultType EOUtils::FLACFile::getComment ( std::string & pComment ) const

overridevirtual

Gets the comment metadata tag.

Parameters

[out] pComment Will receive the comment string

Returns: An AudioFileResultType with errors on failure

Implements EOUtils::MetadataAudioFile.

◆ getFileInfo()

const FLACFileInfo & EOUtils::FLACFile::getFileInfo ( ) const

Returns a FLACFileInfo object with information about the FLAC file.

◆ getGenre()

AudioFileResultType EOUtils::FLACFile::getGenre ( std::string & pGenre ) const

overridevirtual

Gets the genre metadata tag.

Parameters

[out] pGenre Will receive the genre string

Returns: An AudioFileResultType with errors on failure

Implements EOUtils::MetadataAudioFile.

◆ getHighestSampleValue_int64()

AudioFileResultType EOUtils::FLACFile::getHighestSampleValue_int64 ( int64_t & pHighestAudioSample )

overridevirtual

Gets the highest audio sample value from the file, cast to a 64-bit integer.

Parameters

[out] pHighestAudioSample The highest audio sample from the file, cast to a 64-bit integer

Returns: An AudioFileResultType object containing error messages on failure, or no errors on success. This can also be cast to a bool.

Implements EOUtils::AudioFile.

References EOUtils::AudioFileResultType::addError(), getNextSample_int64(), goToAudioDataPos(), and numSamples().

◆ getNextSample_int64()

AudioFileResultType EOUtils::FLACFile::getNextSample_int64 ( int64_t & pAudioSample )

overridevirtual

Gets the next sample from the file, cast to a 64-bit integer.

Parameters

[out] pAudioSample The next audio sample from the file, cast to a 64-bit integer

Returns: An AudioFileResultType object containing error messages on failure, or no errors on success. This can also be cast to a bool.

Implements EOUtils::AudioFile.

References EOUtils::AudioFileResultType::addError(), EOUtils::AudioFile::hasReadMode(), and EOUtils::AudioFileResultType::numErrors().

Referenced by getHighestSampleValue_int64().

◆ getTitle()

AudioFileResultType EOUtils::FLACFile::getTitle ( std::string & pTitle ) const

overridevirtual

Gets the title metadata tag.

Parameters

[out] pTitle Will receive the title string

Returns: An AudioFileResultType with errors on failure

Implements EOUtils::MetadataAudioFile.

◆ getTrackNumber()

AudioFileResultType EOUtils::FLACFile::getTrackNumber	(	uint32_t &	pTrackNumber,
		uint32_t &	pTotalTracks ) const

overridevirtual

Gets the track number metadata tag.

Parameters

[out]	pTrackNumber	Will receive the track number
[out]	pTotalTracks	Will receive the total number of tracks (0 if not specified in the metadata)

Returns: An AudioFileResultType with errors on failure

Implements EOUtils::MetadataAudioFile.

References EOUtils::AudioFileResultType::addError().

◆ getYear()

AudioFileResultType EOUtils::FLACFile::getYear ( std::string & pYear ) const

overridevirtual

Gets the year/date metadata tag.

Parameters

[out] pYear Will receive the year string

Returns: An AudioFileResultType with errors on failure

Implements EOUtils::MetadataAudioFile.

◆ goToAudioDataPos()

AudioFileResultType EOUtils::FLACFile::goToAudioDataPos ( )

overridevirtual

Goes to the audio data position in the audio file.

Implements EOUtils::AudioFile.

References EOUtils::AudioFileResultType::addError().

Referenced by getHighestSampleValue_int64().

◆ isOpen()

bool EOUtils::FLACFile::isOpen ( ) const

overridevirtual

Returns whether the FLAC file is open (and also has its encoder and/or decoder initialized).

Reimplemented from EOUtils::AudioFile.

References EOUtils::AudioFile::mFileStream.

◆ maxValueForSampleSize()

int64_t EOUtils::FLACFile::maxValueForSampleSize ( ) const

overridevirtual

Returns the maximum possible positive value of the audio file's sample size.

Implements EOUtils::AudioFile.

References EOUtils::maxValue().

◆ numSamples()

size_t EOUtils::FLACFile::numSamples ( ) const

overridevirtual

Returns the number of audio samples in the audio file.

Implements EOUtils::AudioFile.

References EOUtils::AudioFile::mFilename.

Referenced by getHighestSampleValue_int64().

◆ open()

AudioFileResultType EOUtils::FLACFile::open ( AudioFileModes pOpenMode )

overridevirtual

Opens the audio file in the given mode (read, write, or read/write).

Returns: An AudioFileResultType object containing error messages on failure, or no errors on success. This can also be cast to a bool.

Reimplemented from EOUtils::AudioFile.

References EOUtils::AudioFileResultType::addError(), EOUtils::AudioFile::getMetadataAs(), EOUtils::AudioFile::hasMetadata(), EOUtils::AudioFile::hasReadMode(), EOUtils::AudioFile::hasWriteMode(), EOUtils::AudioFile::mDataSizeBytes, EOUtils::AudioFile::mFilename, EOUtils::AudioFile::mFileStream, EOUtils::AudioFileResultType::numErrors(), and EOUtils::AudioFile::open().

◆ seekOutputToSampleNum()

void EOUtils::FLACFile::seekOutputToSampleNum ( size_t pSampleNum )

overridevirtual

Returns the maximum possible positive value of the audio file's sample size.

Implements EOUtils::AudioFile.

◆ setAlbum()

AudioFileResultType EOUtils::FLACFile::setAlbum ( const std::string & pAlbum )

overridevirtual

Sets the album metadata tag.

Parameters

[in] pAlbum The album string

Returns: An AudioFileResultType with errors on failure

Implements EOUtils::MetadataAudioFile.

◆ setArtist()

AudioFileResultType EOUtils::FLACFile::setArtist ( const std::string & pArtist )

overridevirtual

Sets the artist metadata tag.

Parameters

[in] pArtist The artist string

Returns: An AudioFileResultType with errors on failure

Implements EOUtils::MetadataAudioFile.

◆ setAudioFileInfo()

void EOUtils::FLACFile::setAudioFileInfo ( const AudioFileInfo & pAudioFileInfo )

overridevirtual

Sets the audio file info for the FLAC file.

Implements EOUtils::AudioFile.

◆ setComment()

AudioFileResultType EOUtils::FLACFile::setComment ( const std::string & pComment )

overridevirtual

Sets the comment metadata tag.

Parameters

[in] pComment The comment string

Returns: An AudioFileResultType with errors on failure

Implements EOUtils::MetadataAudioFile.

◆ setGenre()

AudioFileResultType EOUtils::FLACFile::setGenre ( const std::string & pGenre )

overridevirtual

Sets the genre metadata tag.

Parameters

[in] pGenre The genre string

Returns: An AudioFileResultType with errors on failure

Implements EOUtils::MetadataAudioFile.

◆ setTitle()

AudioFileResultType EOUtils::FLACFile::setTitle ( const std::string & pTitle )

overridevirtual

Sets the title metadata tag.

Parameters

[in] pTitle The title string

Returns: An AudioFileResultType with errors on failure

Implements EOUtils::MetadataAudioFile.

◆ setTrackNumber()

AudioFileResultType EOUtils::FLACFile::setTrackNumber	(	uint32_t	pTrackNumber,
		uint32_t	pTotalTracks = 0 )

overridevirtual

Sets the track number metadata tag.

Parameters

[in]	pTrackNumber	The track number
[in]	pTotalTracks	The total number of tracks (0 means not specified, stores only the track number)

Returns: An AudioFileResultType with errors on failure

Implements EOUtils::MetadataAudioFile.

◆ setYear()

AudioFileResultType EOUtils::FLACFile::setYear ( const std::string & pYear )

overridevirtual

Sets the year/date metadata tag.

Parameters

[in] pYear The year string (e.g., "2024")

Returns: An AudioFileResultType with errors on failure

Implements EOUtils::MetadataAudioFile.

◆ writeSample_int64()

AudioFileResultType EOUtils::FLACFile::writeSample_int64 ( int64_t pAudioSample )

overridevirtual

Writes an audio sample to the file. The parameter is a 64-bit integer but will be cast to the bitness of the audio samples in the file.

Parameters

[in] pAudioSample The audio sample to write to the file

Returns: An AudioFileResultType object containing error messages on failure, or no errors on success. This can also be cast to a bool.

Implements EOUtils::AudioFile.

References EOUtils::AudioFileResultType::addError(), and EOUtils::AudioFile::hasWriteMode().

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

/home/erico/projects/audio_mixer_cpp/code/common/FLACFile.h
/home/erico/projects/audio_mixer_cpp/code/common/FLACFile.cpp

Classes

Public Member Functions

Additional Inherited Members

Constructor & Destructor Documentation

◆ FLACFile() [1/6]

◆ FLACFile() [2/6]

◆ FLACFile() [3/6]

◆ FLACFile() [4/6]

◆ FLACFile() [5/6]

◆ FLACFile() [6/6]

◆ ~FLACFile()

Member Function Documentation

◆ close()

◆ CompressionLevel() [1/2]

◆ CompressionLevel() [2/2]

◆ getAlbum()

◆ getArtist()

◆ getAudioFileInfo()

◆ getComment()

◆ getFileInfo()

◆ getGenre()

◆ getHighestSampleValue_int64()

◆ getNextSample_int64()

◆ getTitle()

◆ getTrackNumber()

◆ getYear()

◆ goToAudioDataPos()

◆ isOpen()

◆ maxValueForSampleSize()

◆ numSamples()

◆ open()

◆ seekOutputToSampleNum()

◆ setAlbum()

◆ setArtist()

◆ setAudioFileInfo()

◆ setComment()

◆ setGenre()

◆ setTitle()

◆ setTrackNumber()

◆ setYear()

◆ writeSample_int64()