arduino-audio-tools
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Public Member Functions | Protected Attributes | List of all members
audio_tools::CallbackBufferedStream< T > Class Template Reference

AudioOutput class which stores the data in a temporary queue buffer. The queue can be consumed e.g. by a callback function by calling readBytes();. More...

#include <AudioStreams.h>

Inheritance diagram for audio_tools::CallbackBufferedStream< T >:
audio_tools::AudioStreamX audio_tools::AudioStream Stream audio_tools::AudioBaseInfoDependent audio_tools::AudioBaseInfoSource Print

Public Member Functions

 CallbackBufferedStream (BaseBuffer< T > &buffer)
 
 CallbackBufferedStream (int bufferSize, int bufferCount, bool autoRemoveOldestDataIfFull=false)
 
int available ()
 
int availableForWrite ()
 
virtual bool begin ()
 Activates the output. More...
 
void clear ()
 Clears the data in the buffer.
 
virtual void end ()
 stops the processing More...
 
 operator bool ()
 Returns true if active.
 
virtual size_t readBytes (uint8_t *data, size_t len) override
 
virtual size_t write (const uint8_t *data, size_t len) override
 
- Public Member Functions inherited from audio_tools::AudioStreamX
virtual int available () override
 
virtual int peek () override
 
virtual int read () override
 
virtual size_t readBytes (uint8_t *buffer, size_t length) override
 
virtual size_t write (const uint8_t *buffer, size_t size) override
 
virtual size_t write (uint8_t) override
 
- Public Member Functions inherited from audio_tools::AudioStream
 AudioStream (AudioStream const &)=delete
 
virtual AudioBaseInfo audioInfo () override
 
virtual int availableForWrite () override
 
virtual bool begin ()
 
virtual void end ()
 
virtual void flush ()
 
 operator bool ()
 
AudioStreamoperator= (AudioStream const &)=delete
 
virtual size_t readBytes (char *buffer, size_t length)
 
virtual size_t readBytes (uint8_t *buffer, size_t length)=0
 
virtual void setAudioInfo (AudioBaseInfo info)
 
virtual void setNotifyAudioChange (AudioBaseInfoDependent &bi)
 
virtual size_t write (const uint8_t *buffer, size_t size)=0
 
- Public Member Functions inherited from Stream
virtual int available ()=0
 
bool find (char target)
 
bool find (const char *target)
 
bool find (const char *target, size_t length)
 
bool find (const uint8_t *target)
 
bool find (const uint8_t *target, size_t length)
 
bool findUntil (const char *target, const char *terminator)
 
bool findUntil (const char *target, size_t targetLen, const char *terminate, size_t termLen)
 
bool findUntil (const uint8_t *target, const char *terminator)
 
bool findUntil (const uint8_t *target, size_t targetLen, const char *terminate, size_t termLen)
 
unsigned long getTimeout (void)
 
float parseFloat (LookaheadMode lookahead=SKIP_ALL, char ignore=NO_IGNORE_CHAR)
 
long parseInt (LookaheadMode lookahead=SKIP_ALL, char ignore=NO_IGNORE_CHAR)
 
virtual int peek ()=0
 
virtual int read ()=0
 
size_t readBytes (char *buffer, size_t length)
 
size_t readBytes (uint8_t *buffer, size_t length)
 
size_t readBytesUntil (char terminator, char *buffer, size_t length)
 
size_t readBytesUntil (char terminator, uint8_t *buffer, size_t length)
 
String readString ()
 
String readStringUntil (char terminator)
 
void setTimeout (unsigned long timeout)
 
- Public Member Functions inherited from Print
virtual int availableForWrite ()
 
void clearWriteError ()
 
virtual void flush ()
 
int getWriteError ()
 
size_t print (char)
 
size_t print (const __FlashStringHelper *)
 
size_t print (const char[])
 
size_t print (const Printable &)
 
size_t print (const String &)
 
size_t print (double, int=2)
 
size_t print (int, int=DEC)
 
size_t print (long long, int=DEC)
 
size_t print (long, int=DEC)
 
size_t print (unsigned char, int=DEC)
 
size_t print (unsigned int, int=DEC)
 
size_t print (unsigned long long, int=DEC)
 
size_t print (unsigned long, int=DEC)
 
size_t println (char)
 
size_t println (const __FlashStringHelper *)
 
size_t println (const char[])
 
size_t println (const Printable &)
 
size_t println (const String &s)
 
size_t println (double, int=2)
 
size_t println (int, int=DEC)
 
size_t println (long long, int=DEC)
 
size_t println (long, int=DEC)
 
size_t println (unsigned char, int=DEC)
 
size_t println (unsigned int, int=DEC)
 
size_t println (unsigned long long, int=DEC)
 
size_t println (unsigned long, int=DEC)
 
size_t println (void)
 
size_t write (const char *buffer, size_t size)
 
size_t write (const char *str)
 
virtual size_t write (const uint8_t *buffer, size_t size)
 
virtual size_t write (uint8_t)=0
 
- Public Member Functions inherited from audio_tools::AudioBaseInfoDependent
virtual AudioBaseInfo audioInfo ()=0
 
virtual void setAudioInfo (AudioBaseInfo info)=0
 
virtual bool validate (AudioBaseInfo &info)
 
virtual void setNotifyAudioChange (AudioBaseInfoDependent &bi)=0
 

Protected Attributes

bool active
 
BaseBuffer< T > * callback_buffer_ptr
 
bool remove_oldest_data
 
- Protected Attributes inherited from audio_tools::AudioStream
AudioBaseInfo info
 
AudioBaseInfoDependentp_notify =nullptr
 
- Protected Attributes inherited from Stream
unsigned long _startMillis
 
unsigned long _timeout
 

Additional Inherited Members

- Protected Member Functions inherited from audio_tools::AudioStream
virtual int not_supported (int out)
 
- Protected Member Functions inherited from Stream
int findMulti (struct MultiTarget *targets, int tCount)
 
float parseFloat (char ignore)
 
long parseInt (char ignore)
 
int peekNextDigit (LookaheadMode lookahead, bool detectDecimal)
 
int timedPeek ()
 
int timedRead ()
 
- Protected Member Functions inherited from Print
void setWriteError (int err=1)
 

Detailed Description

template<class T>
class audio_tools::CallbackBufferedStream< T >

AudioOutput class which stores the data in a temporary queue buffer. The queue can be consumed e.g. by a callback function by calling readBytes();.

Author
Phil Schatzmann

Member Function Documentation

◆ available()

template<class T >
int audio_tools::CallbackBufferedStream< T >::available ( )
inlinevirtual

Reimplemented from audio_tools::AudioStreamX.

◆ availableForWrite()

template<class T >
int audio_tools::CallbackBufferedStream< T >::availableForWrite ( )
inlinevirtual

Reimplemented from audio_tools::AudioStream.

◆ begin()

template<class T >
virtual bool audio_tools::CallbackBufferedStream< T >::begin ( )
inlinevirtual

Activates the output.

Reimplemented from audio_tools::AudioStream.

◆ end()

template<class T >
virtual void audio_tools::CallbackBufferedStream< T >::end ( )
inlinevirtual

stops the processing

Reimplemented from audio_tools::AudioStream.

◆ readBytes()

template<class T >
virtual size_t audio_tools::CallbackBufferedStream< T >::readBytes ( uint8_t *  data,
size_t  len 
)
inlineoverridevirtual

Reimplemented from audio_tools::AudioStreamX.

◆ write()

template<class T >
virtual size_t audio_tools::CallbackBufferedStream< T >::write ( const uint8_t *  data,
size_t  len 
)
inlineoverridevirtual

Reimplemented from audio_tools::AudioStreamX.


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