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TfLiteAudioStreamBase Class Referenceabstract
Arduino Audio Tools » Machine Learning » TFLite

Astract TfLiteAudioStream to provide access to TfLiteAudioStream for Reader and Writers. More...

#include <TfLiteAudioStream.h>

Inheritance diagram for TfLiteAudioStreamBase:
AudioStream BaseStream AudioInfoSupport AudioInfoSource Stream Print TfLiteAudioStream

Public Member Functions

virtual void addNotifyAudioChange (AudioInfoSupport &bi)
 Adds target to be notified about audio changes.
 
virtual AudioInfo audioInfo () override
 provides the actual input AudioInfo
 
virtual AudioInfo audioInfoOut ()
 
virtual int available () override
 
virtual int availableForWrite () override
 
virtual int availableToWrite ()=0
 
virtual bool begin ()
 
virtual bool begin (TfLiteConfig config)=0
 
virtual void clearNotifyAudioChange ()
 Deletes all change notify subscriptions.
 
virtual TfLiteConfig & config ()=0
 Provides the TfLiteConfig information.
 
virtual TfLiteConfig defaultConfig ()=0
 
virtual void end ()
 
virtual void flush () override
 
virtual tflite::MicroInterpreter & interpreter ()=0
 
bool isNotifyActive ()
 Checks if the automatic AudioInfo update is active.
 
virtual int8_t * modelInputBuffer ()=0
 Provides access to the model input buffer.
 
virtual operator bool ()
 
virtual size_t readBytes (uint8_t *data, size_t len) override
 
virtual size_t readSilence (uint8_t *buffer, size_t length)
 Source to generate silence: just sets the buffer to 0.
 
virtual bool removeNotifyAudioChange (AudioInfoSupport &bi)
 Removes a target in order not to be notified about audio changes.
 
virtual void setAudioInfo (AudioInfo newInfo) override
 Defines the input AudioInfo.
 
virtual void setInterpreter (tflite::MicroInterpreter *p_interpreter)=0
 
void setNotifyActive (bool flag)
 Deactivate/Reactivate automatic AudioInfo updates: (default is active)
 
virtual size_t write (const uint8_t *data, size_t len)=0
 process the data in batches of max kMaxAudioSampleSize.
 
virtual size_t write (uint8_t ch) override
 
virtual void writeSilence (size_t len)
 Writes len bytes of silence (=0).
 

Protected Member Functions

virtual int not_supported (int out, const char *msg="")
 
void notifyAudioChange (AudioInfo info)
 
void refillReadBuffer ()
 

Protected Attributes

int _timeout = 10
 
AudioInfo info
 
bool is_notify_active = true
 
Vector< AudioInfoSupport * > notify_vector
 
RingBuffer< uint8_t > tmp_in {0}
 
RingBuffer< uint8_t > tmp_out {0}
 

Detailed Description

Astract TfLiteAudioStream to provide access to TfLiteAudioStream for Reader and Writers.

Author
Phil Schatzmann
Copyright
GPLv3

Member Function Documentation

◆ addNotifyAudioChange()

virtual void addNotifyAudioChange ( AudioInfoSupport &  bi)
inlinevirtualinherited

Adds target to be notified about audio changes.

Reimplemented in CodecNOP, MP3DecoderMAD, EncodedAudioOutput, EncodedAudioStream, AACDecoderFDK, DecoderBasic, MP3DecoderHelix, OggContainerDecoder, Pipeline, and Pipeline::ModifyingStreamAdapter.

◆ audioInfo()

virtual AudioInfo audioInfo ( )
inlineoverridevirtualinherited

provides the actual input AudioInfo

Implements AudioInfoSupport.

Reimplemented in JupyterAudioT< T >, MozziStream, TimerCallbackAudioStream, PureDataStream, AdapterAudioOutputToAudioStream, GeneratedSoundStream< T >, GeneratedSoundStream< int16_t >, and InputMerge< T >.

◆ audioInfoOut()

virtual AudioInfo audioInfoOut ( )
inlinevirtualinherited

provides the actual output AudioInfo: this is usually the same as audioInfo() unless we use a transforming stream

Reimplemented in PureDataStream, PWMAudioOutput, ChannelFormatConverterStreamT< T >, ChannelFormatConverterStream, NumberFormatConverterStreamT< TFrom, TTo >, NumberFormatConverterStream, FormatConverterStream, Pipeline, and ResampleStream.

◆ available()

virtual int available ( )
inlineoverridevirtualinherited

Reimplemented from Stream.

Reimplemented in AudioKitStream, A2DPStream, AudioFFTBase, HLSStreamT< URLStream >, I2SCodecStream, TfLiteAudioStream, UDPStream, ICYStreamT< T >, BufferedTaskStream, I2SStream, TimedStream, GeneratedSoundStream< T >, GeneratedSoundStream< int16_t >, BufferedStream, ConverterStream< T >, InputMerge< T >, Pipeline::ModifyingStreamAdapter, and VolumeStream.

◆ availableForWrite()

virtual int availableForWrite ( )
inlineoverridevirtualinherited

Reimplemented from Print.

Reimplemented in UDPStream, A2DPStream, AudioFFTBase, I2SCodecStream, AbstractURLStream, URLStreamESP32, I2SStream, MeasuringStream, ProgressStream, and VolumeStream.

◆ availableToWrite()

virtual int availableToWrite ( )
pure virtual

Implemented in TfLiteAudioStream.

◆ begin() [1/2]

virtual bool begin ( )
inlinevirtualinherited

Reimplemented in AudioOutputWithCallback, HLSStreamT< URLStream >, SPDIFOutput, VS1053Stream, WM8960Stream, ESPNowStream, TimerCallbackAudioStream, QueueStream< T >, QueueStream< uint8_t >, DynamicMemoryStream, AudioFFTBase, AnalogAudioArduino, AnalogAudioStream, MemoryStream, GeneratedSoundStream< T >, GeneratedSoundStream< int16_t >, FormatConverterStream, and Pipeline.

◆ begin() [2/2]

virtual bool begin ( TfLiteConfig  config)
pure virtual

Implemented in TfLiteAudioStream.

◆ config()

virtual TfLiteConfig & config ( )
pure virtual

Provides the TfLiteConfig information.

Implemented in TfLiteAudioStream.

◆ end()

virtual void end ( )
inlinevirtualinherited

Reimplemented in FaustStream< DSP >, HLSStreamT< URLStream >, I2SCodecStream, VS1053Stream, WM8960Stream, ESPNowStream, I2SStream, TimerCallbackAudioStream, QueueStream< T >, QueueStream< uint8_t >, AudioFFTBase, AudioKitStream, AnalogAudioStream, HttpRequest, ICYStreamT< T >, GeneratedSoundStream< T >, GeneratedSoundStream< int16_t >, InputMixer< T >, InputMerge< T >, and Pipeline.

◆ flush()

virtual void flush ( )
inlineoverridevirtualinherited

Reimplemented from Print.

Reimplemented in ResampleStream, BufferedTaskStream, and BufferedStream.

◆ interpreter()

virtual tflite::MicroInterpreter & interpreter ( )
pure virtual

Implemented in TfLiteAudioStream.

◆ modelInputBuffer()

virtual int8_t * modelInputBuffer ( )
pure virtual

Provides access to the model input buffer.

Implemented in TfLiteAudioStream.

◆ operator bool()

virtual operator bool ( )
inlinevirtualinherited

Reimplemented in A2DPStream, Pipeline, I2SStream, and MemoryStream.

◆ readBytes()

virtual size_t readBytes ( uint8_t *  data,
size_t  len 
)
inlineoverridevirtualinherited

Implements BaseStream.

Reimplemented in MozziStream, A2DPStream, FaustStream< DSP >, AudioFFTBase, AudioKitStream, HLSStreamT< URLStream >, I2SCodecStream, TfLiteAudioStream, AnalogAudioArduino, AudioEffectStreamT< T >, Equalizer3Bands, ICYStreamT< T >, BufferedTaskStream, I2SStream, TimedStream, GeneratedSoundStream< T >, GeneratedSoundStream< int16_t >, BufferedStream, MeasuringStream, ProgressStream, InputMixer< T >, InputMerge< T >, VolumeStream, and AnalogDriverESP32V2::IO16Bit.

◆ setAudioInfo()

virtual void setAudioInfo ( AudioInfo  info)
inlineoverridevirtualinherited

Defines the input AudioInfo.

Implements AudioInfoSupport.

Reimplemented in VS1053Stream, WM8960Stream, I2SBitBang, ChannelFormatConverterStreamT< T >, ChannelFormatConverterStream, VolumeStream, MiniAudioStream, PortAudioStream, I2SCodecStream, MozziStream, SPDIFOutput, AudioLoRa, AnalogAudioStream, I2SStream, MeasuringStream, VolumeMeter, TimerCallbackAudioStream, AudioBLEStream, LoRaStream, AudioFFTBase, AudioKitStream, VBANStream, AnalogAudioArduino, Equalizer3Bands, AdapterAudioOutputToAudioStream, TimedStream, ProgressStream, FormatConverterStream, FadeStream, Pipeline::ModifyingStreamAdapter, PureDataStream, GeneratedSoundStream< T >, GeneratedSoundStream< int16_t >, NumberFormatConverterStreamT< TFrom, TTo >, NumberFormatConverterStream, Pipeline, and ResampleStream.

◆ setInterpreter()

virtual void setInterpreter ( tflite::MicroInterpreter *  p_interpreter)
pure virtual

Implemented in TfLiteAudioStream.

◆ write() [1/2]

virtual size_t write ( const uint8_t *  data,
size_t  len 
)
pure virtual

process the data in batches of max kMaxAudioSampleSize.

Reimplemented from AudioStream.

Implemented in TfLiteAudioStream.

◆ write() [2/2]

virtual size_t write ( uint8_t  ch)
inlineoverridevirtualinherited

Reimplemented in BufferedTaskStream, and BufferedStream.

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