ESP32 AudioSource for AudioPlayer using an SD card as data source. An index file is used to speed up the access to the audio files by index. This class is based on the Arduino SD implementation For UTF8 Support change SdFatConfig.h #define USE_UTF8_LONG_NAMES 1. More...

#include <AudioSourceIdxSDFAT.h>

Inheritance diagram for AudioSourceIdxSDFAT< AudioFs, AudioFile >:

Public Member Functions
	AudioSourceIdxSDFAT (AudioFs fs, const char startFilePath="/", const char ext="", bool setupIndex=true)
	Constructor for providing an open FS.

	AudioSourceIdxSDFAT (const char startFilePath, const char ext, SdSpiConfig &config, bool setupIndex=true)
	Costructor with SdSpiConfig.

	AudioSourceIdxSDFAT (const char startFilePath="/", const char ext=".mp3", int chipSelect=PIN_CS, int speedMHz=10, bool setupIndex=true)
	Default constructor.

virtual	~AudioSourceIdxSDFAT ()

virtual bool	begin () override
	Reset actual stream and move to root.

void	end ()

int	index ()
	Provides the current index position.

int	indexOf (const char *filename)
	Provides the index of the file with the given name.

virtual bool	isAutoNext ()
	Returns default setting go to the next.

const char *	name (int pos)
	Provides the file name for the indicated index.

virtual Stream *	nextStream (int offset=1) override
	Returns next audio stream.

Stream *	operator[] (int idx)
	access with array syntax

virtual Stream *	previousStream (int offset)
	Returns previous audio stream.

virtual Stream *	selectStream (const char *path) override
	Returns audio stream by path: The index is not changed!

virtual Stream *	selectStream (int index) override

virtual void	setAutoNext (bool flag)

void	setCreateIndex (bool rebuild)
	Defines whether the index should be rebuild on begin.

void	setFileFilter (const char *filter)

virtual Stream *	setIndex (int index)
	same as selectStream - I just prefer this name

virtual bool	setMetadataCallback (void(fn)(MetaDataType info, const char str, int len), ID3TypeSelection sel=SELECT_ICY)

virtual void	setPath (const char *p)
	Allows to "correct" the start path if not defined in the constructor.

virtual void	setTimeout (int millisec)
	Sets the timeout of Stream in milliseconds.

virtual void	setTimeoutAutoNext (int millisec)

long	size ()
	Provides the number of files (The max index is size()-1)

virtual int	timeoutAutoNext ()
	Provides the timeout which is triggering to move to the next stream.

const char *	toStr ()
	provides the actual file name

Protected Member Functions
const char *	getFileName (AudioFile &file)

Protected Attributes
int	cs

const char *	exension = nullptr

AudioFile	file

char	file_name [MAX_FILE_LEN]

const char *	file_name_pattern = "*"

SDIndex< AudioFs, AudioFile >	idx {sd}

size_t	idx_pos = 0

bool	is_auto_next = true

bool	is_close_sd = true

bool	is_sd_setup = false

bool	owns_cfg = false

SdSpiConfig *	p_cfg = nullptr

AudioFs	sd

bool	setup_index = true

const char *	start_path = nullptr

int	timeout_auto_next_value = 500

Detailed Description

template<typename AudioFs = SdFat32, typename AudioFile = File32>
class audio_tools::AudioSourceIdxSDFAT< AudioFs, AudioFile >

ESP32 AudioSource for AudioPlayer using an SD card as data source. An index file is used to speed up the access to the audio files by index. This class is based on the Arduino SD implementation For UTF8 Support change SdFatConfig.h #define USE_UTF8_LONG_NAMES 1.

Note: Supported only by Arduino platforms that support SDFAT library!; Dependency: https://github.com/greiman/sdfat

Parameters

<SdFat32,File32>,<SdFs,FsFile>,<SdExFat,ExFile>,<SdFat,File>

Author: Phil Schatzmann

Copyright: GPLv3

Constructor & Destructor Documentation

◆ AudioSourceIdxSDFAT() [1/3]

template<typename AudioFs = SdFat32, typename AudioFile = File32>

AudioSourceIdxSDFAT	(	const char *	startFilePath = `"/"`,
		const char *	ext = `".mp3"`,
		int	chipSelect = `PIN_CS`,
		int	speedMHz = `10`,
		bool	setupIndex = `true`
	)

inline

Default constructor.

◆ AudioSourceIdxSDFAT() [2/3]

template<typename AudioFs = SdFat32, typename AudioFile = File32>

AudioSourceIdxSDFAT	(	const char *	startFilePath,
		const char *	ext,
		SdSpiConfig &	config,
		bool	setupIndex = `true`
	)

inline

Costructor with SdSpiConfig.

◆ AudioSourceIdxSDFAT() [3/3]

template<typename AudioFs = SdFat32, typename AudioFile = File32>

AudioSourceIdxSDFAT	(	AudioFs	fs,
		const char *	startFilePath = `"/"`,
		const char *	ext = `""`,
		bool	setupIndex = `true`
	)

inline

Constructor for providing an open FS.

◆ ~AudioSourceIdxSDFAT()

template<typename AudioFs = SdFat32, typename AudioFile = File32>

virtual ~AudioSourceIdxSDFAT ( )

inlinevirtual

Member Function Documentation

◆ begin()

template<typename AudioFs = SdFat32, typename AudioFile = File32>

virtual bool begin ( )

inlineoverridevirtual

Reset actual stream and move to root.

Implements AudioSource.

◆ end()

template<typename AudioFs = SdFat32, typename AudioFile = File32>

void end ( )

inline

◆ getFileName()

template<typename AudioFs = SdFat32, typename AudioFile = File32>

const char * getFileName ( AudioFile & file )

inlineprotected

◆ index()

template<typename AudioFs = SdFat32, typename AudioFile = File32>

int index ( )

inlinevirtual

Provides the current index position.

Reimplemented from AudioSource.

◆ indexOf()

template<typename AudioFs = SdFat32, typename AudioFile = File32>

int indexOf ( const char * filename )

inline

Provides the index of the file with the given name.

◆ isAutoNext()

template<typename AudioFs = SdFat32, typename AudioFile = File32>

virtual bool isAutoNext ( )

inlinevirtual

Returns default setting go to the next.

Reimplemented from AudioSource.

◆ name()

template<typename AudioFs = SdFat32, typename AudioFile = File32>

const char * name ( int pos )

inline

Provides the file name for the indicated index.

◆ nextStream()

template<typename AudioFs = SdFat32, typename AudioFile = File32>

virtual Stream * nextStream ( int offset = 1 )

inlineoverridevirtual

Returns next audio stream.

Implements AudioSource.

◆ operator[]()

Stream * operator[] ( int idx )

inlineinherited

access with array syntax

◆ previousStream()

virtual Stream * previousStream ( int offset )

inlinevirtualinherited

Returns previous audio stream.

Reimplemented in AudioSourceFTP< ClientType >, and AudioSourceURL.

◆ selectStream() [1/2]

template<typename AudioFs = SdFat32, typename AudioFile = File32>

virtual Stream * selectStream ( const char * path )

inlineoverridevirtual

Returns audio stream by path: The index is not changed!

Implements AudioSource.

◆ selectStream() [2/2]

template<typename AudioFs = SdFat32, typename AudioFile = File32>

virtual Stream * selectStream ( int index )

inlineoverridevirtual

Returns audio stream at the indicated index (the index is zero based, so the first value is 0!)

Reimplemented from AudioSource.

◆ setAutoNext()

virtual void setAutoNext ( bool flag )

inlinevirtualinherited

Reimplemented in AudioSourceCallback.

◆ setCreateIndex()

template<typename AudioFs = SdFat32, typename AudioFile = File32>

void setCreateIndex ( bool rebuild )

inline

Defines whether the index should be rebuild on begin.

◆ setFileFilter()

template<typename AudioFs = SdFat32, typename AudioFile = File32>

void setFileFilter ( const char * filter )

inline

Defines the regex filter criteria for selecting files. E.g. ".*Bob Dylan.*"

◆ setIndex()

virtual Stream * setIndex ( int index )

inlinevirtualinherited

same as selectStream - I just prefer this name

◆ setMetadataCallback()

virtual bool setMetadataCallback	(	void()(MetaDataType info, const char str, int len)	fn,
		ID3TypeSelection	sel = `SELECT_ICY`
	)

inlinevirtualinherited

Reimplemented in AudioSourceURL.

◆ setPath()

template<typename AudioFs = SdFat32, typename AudioFile = File32>

virtual void setPath ( const char * p )

inlinevirtual

Allows to "correct" the start path if not defined in the constructor.

◆ setTimeout()

virtual void setTimeout ( int millisec )

inlinevirtualinherited

Sets the timeout of Stream in milliseconds.

Reimplemented in AudioSourceURL.

◆ setTimeoutAutoNext()

virtual void setTimeoutAutoNext ( int millisec )

inlinevirtualinherited

Sets the timeout which is triggering to move to the next stream. - the default value is 500 ms

◆ size()

template<typename AudioFs = SdFat32, typename AudioFile = File32>

long size ( )

inline

Provides the number of files (The max index is size()-1)

◆ timeoutAutoNext()

virtual int timeoutAutoNext ( )

inlinevirtualinherited

Provides the timeout which is triggering to move to the next stream.

◆ toStr()

template<typename AudioFs = SdFat32, typename AudioFile = File32>

const char * toStr ( )

inlinevirtual

provides the actual file name

Reimplemented from AudioSource.

Member Data Documentation

◆ cs

template<typename AudioFs = SdFat32, typename AudioFile = File32>

int cs

protected

◆ exension

template<typename AudioFs = SdFat32, typename AudioFile = File32>

const char* exension = nullptr

protected

◆ file

template<typename AudioFs = SdFat32, typename AudioFile = File32>

AudioFile file

protected

◆ file_name

template<typename AudioFs = SdFat32, typename AudioFile = File32>

char file_name[MAX_FILE_LEN]

protected

◆ file_name_pattern

template<typename AudioFs = SdFat32, typename AudioFile = File32>

const char* file_name_pattern = "*"

protected

◆ idx

template<typename AudioFs = SdFat32, typename AudioFile = File32>

SDIndex<AudioFs, AudioFile> idx {sd}

protected

◆ idx_pos

template<typename AudioFs = SdFat32, typename AudioFile = File32>

size_t idx_pos = 0

protected

◆ is_auto_next

bool is_auto_next = true

protectedinherited

◆ is_close_sd

template<typename AudioFs = SdFat32, typename AudioFile = File32>

bool is_close_sd = true

protected

◆ is_sd_setup

template<typename AudioFs = SdFat32, typename AudioFile = File32>

bool is_sd_setup = false

protected

◆ owns_cfg

template<typename AudioFs = SdFat32, typename AudioFile = File32>

bool owns_cfg = false

protected

◆ p_cfg

template<typename AudioFs = SdFat32, typename AudioFile = File32>

SdSpiConfig* p_cfg = nullptr

protected

◆ sd

template<typename AudioFs = SdFat32, typename AudioFile = File32>

AudioFs sd

protected

◆ setup_index

template<typename AudioFs = SdFat32, typename AudioFile = File32>

bool setup_index = true

protected

◆ start_path

template<typename AudioFs = SdFat32, typename AudioFile = File32>

const char* start_path = nullptr

protected

◆ timeout_auto_next_value

int timeout_auto_next_value = 500

protectedinherited

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

src/AudioTools/Disk/AudioSourceIdxSDFAT.h

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ AudioSourceIdxSDFAT() [1/3]

◆ AudioSourceIdxSDFAT() [2/3]

◆ AudioSourceIdxSDFAT() [3/3]

◆ ~AudioSourceIdxSDFAT()

Member Function Documentation

◆ begin()

◆ end()

◆ getFileName()

◆ index()

◆ indexOf()

◆ isAutoNext()

◆ name()

◆ nextStream()

◆ operator[]()

◆ previousStream()

◆ selectStream() [1/2]

◆ selectStream() [2/2]

◆ setAutoNext()

◆ setCreateIndex()

◆ setFileFilter()

◆ setIndex()

◆ setMetadataCallback()

◆ setPath()

◆ setTimeout()

◆ setTimeoutAutoNext()

◆ size()

◆ timeoutAutoNext()

◆ toStr()

Member Data Documentation

◆ cs

◆ exension

◆ file

◆ file_name

◆ file_name_pattern

◆ idx

◆ idx_pos

◆ is_auto_next

◆ is_close_sd

◆ is_sd_setup

◆ owns_cfg

◆ p_cfg

◆ sd

◆ setup_index

◆ start_path

◆ timeout_auto_next_value