arduino-audio-tools
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Pipeline::ModifyingStreamAdapter Struct Reference

Support for ModifyingOutput. More...

#include <Pipeline.h>

Inheritance diagram for Pipeline::ModifyingStreamAdapter:
ModifyingStream AudioStream AudioStream AudioInfoSource AudioInfoSupport BaseStream AudioInfoSource AudioInfoSupport BaseStream AudioInfoSource AudioInfoSupport BaseStream AudioInfoSource AudioInfoSupport BaseStream

Public Member Functions

 ModifyingStreamAdapter (ModifyingOutput &out)
virtual void addNotifyAudioChange (AudioInfoSupport &bi)
 Adds target to be notified about audio changes.
void addNotifyAudioChange (AudioInfoSupport &bi) override
virtual AudioInfo audioInfo () override
 provides the actual input AudioInfo
virtual AudioInfo audioInfo () override
 provides the actual input AudioInfo
virtual AudioInfo audioInfoOut ()
virtual AudioInfo audioInfoOut ()
int available () override
 Read not supported.
virtual int availableForWrite () override
virtual int availableForWrite () override
bool begin () override
virtual void clearNotifyAudioChange ()
 Deletes all change notify subscriptions.
virtual void clearNotifyAudioChange ()
 Deletes all change notify subscriptions.
void end () override
void flush () override
bool isNotifyActive ()
 Checks if the automatic AudioInfo update is active.
bool isNotifyActive ()
 Checks if the automatic AudioInfo update is active.
virtual operator bool ()
virtual operator bool ()
virtual size_t readBytes (uint8_t *data, size_t len) override
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 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 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.
void setAudioInfo (AudioInfo info) override
void setNotifyActive (bool flag)
 Deactivate/Reactivate automatic AudioInfo updates: (default is active).
void setNotifyActive (bool flag)
 Deactivate/Reactivate automatic AudioInfo updates: (default is active).
virtual void setOutput (AudioOutput &out)
 Defines/Changes the output target and registers for audio change notifications.
void setOutput (Print &out) override
 Defines/Changes the output target.
virtual void setStream (AudioStream &io)
 Defines/Changes the input & output and registers for audio change notifications.
void setStream (Stream &in) override
 Defines/Changes the input & output.
void setWriteBufferSize (int size)
void setWriteBufferSize (int size)
virtual size_t write (uint8_t ch) override
size_t write (const uint8_t *data, size_t len) override
virtual void writeSilence (size_t len)
 Writes len bytes of silence (=0).
virtual void writeSilence (size_t len)
 Writes len bytes of silence (=0).

Protected Member Functions

virtual int not_supported (int out, const char *msg="")
virtual int not_supported (int out, const char *msg="")
void notifyAudioChange (AudioInfo info)
void notifyAudioChange (AudioInfo info)
void refillReadBuffer ()
 Refill small read buffer (e.g. 8 bytes) to avoid single byte reads when calling read().
void refillReadBuffer ()
 Refill small read buffer (e.g. 8 bytes) to avoid single byte reads when calling read().

Protected Attributes

int _timeout = 10
AudioInfo info
bool is_notify_active = true
Vector< AudioInfoSupport * > notify_vector
ModifyingOutput * p_out = nullptr
RingBuffer< uint8_t > tmp_in {0}
RingBuffer< uint8_t > tmp_out {0}
int write_buffer_size = 8

Detailed Description

Support for ModifyingOutput.

Constructor & Destructor Documentation

◆ ModifyingStreamAdapter()

ModifyingStreamAdapter ( ModifyingOutput & out)
inline

Member Function Documentation

◆ addNotifyAudioChange() [1/2]

virtual void addNotifyAudioChange ( AudioInfoSupport & bi)
inlinevirtualinherited

Adds target to be notified about audio changes.

Reimplemented in CodecNOP, CodecNOP, EncodedAudioOutput, and EncodedAudioStream.

◆ addNotifyAudioChange() [2/2]

void addNotifyAudioChange ( AudioInfoSupport & bi)
inlineoverride

◆ audioInfo() [1/2]

◆ audioInfo() [2/2]

◆ audioInfoOut() [1/2]

◆ audioInfoOut() [2/2]

◆ available()

int available ( )
inlineoverridevirtual

Read not supported.

Reimplemented from BaseStream.

◆ availableForWrite() [1/2]

virtual int availableForWrite ( )
inlineoverridevirtualinherited

Reimplemented from Print.

Reimplemented in A2DPStream, AbstractURLStream, AnalogAudioStream, AudioStreamWrapper, AudioStreamWrapper, ConverterStream< T >, ConverterStream< T >, DynamicMemoryStream, DynamicMemoryStream, EncodedAudioStream, FilteredStream< T, TF >, FilteredStream< T, TF >, FilteredStream< int16_t, int16_t >, MemoryStream, MemoryStream, ProgressStream, ProgressStream, QueueStream< T >, QueueStream< T >, QueueStream< uint8_t >, ReformatBaseStream, RingBufferStream, RingBufferStream, Throttle, Throttle, TimedStream, AudioBLEClient, AudioBLEClient, AudioBLEServer, AudioBLEServer, AudioEffectStream, AudioEffectStreamT< T >, AudioFFTBase, AudioLoRa, AudioStreamWrapper, AutomaticGainControlStream, ChannelFormatConverterStream, ChannelFormatConverterStreamT< T >, ConverterStream< T >, DynamicMemoryStream, EncodedAudioStream, Equalizer3BandsPerChannelT< T >, Equalizer3BandsPerChannelT< float >, Equalizer3BandsT< T >, Equalizer3BandsT< float >, ESPNowStream, FadeStream, FaustStream< DSP >, FilteredStream< T, TF >, FrequencyDetectorAutoCorrelation, FrequencyDetectorZeroCrossing, HammingFEC< bytecount, block_t >, I2SCodecStream, I2SStream, MeasuringStream, MemoryStream, MiniAudioStream, NRF24Stream, NumberFormatConverterStream, NumberFormatConverterStreamT< TFrom, TTo >, Pipeline, ProgressStream, QualityAnalysisStream, QueueStream< T >, ReedSolomonFEC< bytecount, additional_bytes >, ReformatBaseStream, RingBufferStream, SPIAudioSlave, StdioStream, SupportedRatesStream, Throttle, TimedStream, UDPStream, URLStreamESP32, USBAudioStreamBase, VBANStream, and VolumeStream.

◆ availableForWrite() [2/2]

virtual int availableForWrite ( )
inlineoverridevirtualinherited

Reimplemented from Print.

Reimplemented in A2DPStream, AbstractURLStream, AnalogAudioStream, AudioStreamWrapper, AudioStreamWrapper, ConverterStream< T >, ConverterStream< T >, DynamicMemoryStream, DynamicMemoryStream, EncodedAudioStream, FilteredStream< T, TF >, FilteredStream< T, TF >, FilteredStream< int16_t, int16_t >, MemoryStream, MemoryStream, ProgressStream, ProgressStream, QueueStream< T >, QueueStream< T >, QueueStream< uint8_t >, ReformatBaseStream, RingBufferStream, RingBufferStream, Throttle, Throttle, TimedStream, AudioBLEClient, AudioBLEClient, AudioBLEServer, AudioBLEServer, AudioEffectStream, AudioEffectStreamT< T >, AudioFFTBase, AudioLoRa, AudioStreamWrapper, AutomaticGainControlStream, ChannelFormatConverterStream, ChannelFormatConverterStreamT< T >, ConverterStream< T >, DynamicMemoryStream, EncodedAudioStream, Equalizer3BandsPerChannelT< T >, Equalizer3BandsPerChannelT< float >, Equalizer3BandsT< T >, Equalizer3BandsT< float >, ESPNowStream, FadeStream, FaustStream< DSP >, FilteredStream< T, TF >, FrequencyDetectorAutoCorrelation, FrequencyDetectorZeroCrossing, HammingFEC< bytecount, block_t >, I2SCodecStream, I2SStream, MeasuringStream, MemoryStream, MiniAudioStream, NRF24Stream, NumberFormatConverterStream, NumberFormatConverterStreamT< TFrom, TTo >, Pipeline, ProgressStream, QualityAnalysisStream, QueueStream< T >, ReedSolomonFEC< bytecount, additional_bytes >, ReformatBaseStream, RingBufferStream, SPIAudioSlave, StdioStream, SupportedRatesStream, Throttle, TimedStream, UDPStream, URLStreamESP32, USBAudioStreamBase, VBANStream, and VolumeStream.

◆ begin()

bool begin ( )
inlineoverridevirtual

Reimplemented from BaseStream.

◆ clearNotifyAudioChange() [1/2]

virtual void clearNotifyAudioChange ( )
inlinevirtualinherited

◆ clearNotifyAudioChange() [2/2]

virtual void clearNotifyAudioChange ( )
inlinevirtualinherited

◆ end()

void end ( )
inlineoverridevirtual

Reimplemented from BaseStream.

◆ flush()

void flush ( )
inlineoverridevirtual

Reimplemented from BaseStream.

◆ isNotifyActive() [1/2]

bool isNotifyActive ( )
inlineinherited

Checks if the automatic AudioInfo update is active.

◆ isNotifyActive() [2/2]

bool isNotifyActive ( )
inlineinherited

Checks if the automatic AudioInfo update is active.

◆ not_supported() [1/2]

virtual int not_supported ( int out,
const char * msg = "" )
inlineprotectedvirtualinherited

◆ not_supported() [2/2]

virtual int not_supported ( int out,
const char * msg = "" )
inlineprotectedvirtualinherited

◆ notifyAudioChange() [1/2]

void notifyAudioChange ( AudioInfo info)
inlineprotectedinherited

◆ notifyAudioChange() [2/2]

void notifyAudioChange ( AudioInfo info)
inlineprotectedinherited

◆ operator bool() [1/2]

◆ operator bool() [2/2]

◆ readBytes() [1/2]

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

Implements BaseStream.

Reimplemented in A2DPStream, AdaptiveResamplingStream, AnalogAudioStream, AnalogDriverESP32V1::IO16Bit, AnalogDriverESP32V2::IO16Bit, AudioInputMonitor, AudioInputMonitor, AudioStreamWrapper, AudioStreamWrapper, AudioTimeSourceStream, BufferedStream, BufferedStream, CallbackStream, CallbackStream, ConverterStream< T >, ConverterStream< T >, EncodedAudioStream, FilteredStream< T, TF >, FilteredStream< T, TF >, FilteredStream< int16_t, int16_t >, GeneratedSoundStream< T >, GeneratedSoundStream< T >, GeneratedSoundStream< int16_t >, InputMerge< T >, InputMerge< T >, InputMixer< T, SumT >, InputMixer< T, SumT >, MemoryStream, MemoryStream, ProgressStream, ProgressStream, ReformatBaseStream, RingBufferStream, RingBufferStream, Throttle, Throttle, TimedStream, VolumeMeter, VolumeMeter, AudioBLEClient, AudioBLEClient, AudioBLEServer, AudioBLEServer, AudioEffectStream, AudioEffectStreamT< T >, AudioFFTBase, AudioInputMonitor, AudioKitStream, AudioLoRa, AudioMP34DT05, AudioStreamWrapper, AudioTimeSourceStream, AutomaticGainControlStream, BufferedStream, BufferedTaskStream, CallbackStream, ChannelFormatConverterStream, ChannelFormatConverterStreamT< T >, ConverterStream< T >, EncodedAudioStream, Equalizer3BandsPerChannelT< T >, Equalizer3BandsPerChannelT< float >, Equalizer3BandsT< T >, Equalizer3BandsT< float >, EqualizerNBands< SampleT, AccT, NUM_TAPS, NUM_BANDS >, FadeStream, FaustStream< DSP >, FilteredStream< T, TF >, FrequencyDetectorAutoCorrelation, FrequencyDetectorZeroCrossing, GeneratedSoundStream< T >, GoertzelStream, HLSStreamT< URLStream >, HLSStreamT< URLStreamESP32 >, I2SCodecStream, I2SStream, ICYStreamT< T >, ICYStreamT< URLStream >, ICYStreamT< URLStreamESP32 >, InputMerge< T >, InputMixer< T, SumT >, LMSEchoCancellationStream< T >, MDFEchoCancellationStream< T, SampleType >, MeasuringStream, MemoryStream, MiniAudioStream, MozziStream, NRF24Stream, NumberFormatConverterStream, NumberFormatConverterStreamT< TFrom, TTo >, Pipeline, PortAudioStream, ProgressStream, PureDataStream, QualityAnalysisStream, ReformatBaseStream, RingBufferStream, SPIAudioSlave, SupportedRatesStream, TfLiteAudioStream, Throttle, TimedStream, URLStream, URLStreamBufferedT< T >, URLStreamBufferedT< ICYStream >, URLStreamBufferedT< ICYStreamESP32 >, URLStreamBufferedT< URLStream >, URLStreamBufferedT< URLStreamESP32 >, URLStreamESP32, USBAudioStreamBase, VBANStream, VolumeMeter, VolumeStream, and WM8960Stream.

◆ readBytes() [2/2]

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

Implements BaseStream.

Reimplemented in A2DPStream, AdaptiveResamplingStream, AnalogAudioStream, AnalogDriverESP32V1::IO16Bit, AnalogDriverESP32V2::IO16Bit, AudioInputMonitor, AudioInputMonitor, AudioStreamWrapper, AudioStreamWrapper, AudioTimeSourceStream, BufferedStream, BufferedStream, CallbackStream, CallbackStream, ConverterStream< T >, ConverterStream< T >, EncodedAudioStream, FilteredStream< T, TF >, FilteredStream< T, TF >, FilteredStream< int16_t, int16_t >, GeneratedSoundStream< T >, GeneratedSoundStream< T >, GeneratedSoundStream< int16_t >, InputMerge< T >, InputMerge< T >, InputMixer< T, SumT >, InputMixer< T, SumT >, MemoryStream, MemoryStream, ProgressStream, ProgressStream, ReformatBaseStream, RingBufferStream, RingBufferStream, Throttle, Throttle, TimedStream, VolumeMeter, VolumeMeter, AudioBLEClient, AudioBLEClient, AudioBLEServer, AudioBLEServer, AudioEffectStream, AudioEffectStreamT< T >, AudioFFTBase, AudioInputMonitor, AudioKitStream, AudioLoRa, AudioMP34DT05, AudioStreamWrapper, AudioTimeSourceStream, AutomaticGainControlStream, BufferedStream, BufferedTaskStream, CallbackStream, ChannelFormatConverterStream, ChannelFormatConverterStreamT< T >, ConverterStream< T >, EncodedAudioStream, Equalizer3BandsPerChannelT< T >, Equalizer3BandsPerChannelT< float >, Equalizer3BandsT< T >, Equalizer3BandsT< float >, EqualizerNBands< SampleT, AccT, NUM_TAPS, NUM_BANDS >, FadeStream, FaustStream< DSP >, FilteredStream< T, TF >, FrequencyDetectorAutoCorrelation, FrequencyDetectorZeroCrossing, GeneratedSoundStream< T >, GoertzelStream, HLSStreamT< URLStream >, HLSStreamT< URLStreamESP32 >, I2SCodecStream, I2SStream, ICYStreamT< T >, ICYStreamT< URLStream >, ICYStreamT< URLStreamESP32 >, InputMerge< T >, InputMixer< T, SumT >, LMSEchoCancellationStream< T >, MDFEchoCancellationStream< T, SampleType >, MeasuringStream, MemoryStream, MiniAudioStream, MozziStream, NRF24Stream, NumberFormatConverterStream, NumberFormatConverterStreamT< TFrom, TTo >, Pipeline, PortAudioStream, ProgressStream, PureDataStream, QualityAnalysisStream, ReformatBaseStream, RingBufferStream, SPIAudioSlave, SupportedRatesStream, TfLiteAudioStream, Throttle, TimedStream, URLStream, URLStreamBufferedT< T >, URLStreamBufferedT< ICYStream >, URLStreamBufferedT< ICYStreamESP32 >, URLStreamBufferedT< URLStream >, URLStreamBufferedT< URLStreamESP32 >, URLStreamESP32, USBAudioStreamBase, VBANStream, VolumeMeter, VolumeStream, and WM8960Stream.

◆ readSilence() [1/2]

virtual size_t readSilence ( uint8_t * buffer,
size_t length )
inlinevirtualinherited

Source to generate silence: just sets the buffer to 0.

◆ readSilence() [2/2]

virtual size_t readSilence ( uint8_t * buffer,
size_t length )
inlinevirtualinherited

Source to generate silence: just sets the buffer to 0.

◆ refillReadBuffer() [1/2]

void refillReadBuffer ( )
inlineprotectedinherited

Refill small read buffer (e.g. 8 bytes) to avoid single byte reads when calling read().

◆ refillReadBuffer() [2/2]

void refillReadBuffer ( )
inlineprotectedinherited

Refill small read buffer (e.g. 8 bytes) to avoid single byte reads when calling read().

◆ removeNotifyAudioChange() [1/2]

virtual bool removeNotifyAudioChange ( AudioInfoSupport & bi)
inlinevirtualinherited

Removes a target in order not to be notified about audio changes.

◆ removeNotifyAudioChange() [2/2]

virtual bool removeNotifyAudioChange ( AudioInfoSupport & bi)
inlinevirtualinherited

Removes a target in order not to be notified about audio changes.

◆ setAudioInfo() [1/2]

◆ setAudioInfo() [2/2]

void setAudioInfo ( AudioInfo info)
inlineoverride

◆ setNotifyActive() [1/2]

void setNotifyActive ( bool flag)
inlineinherited

Deactivate/Reactivate automatic AudioInfo updates: (default is active).

◆ setNotifyActive() [2/2]

void setNotifyActive ( bool flag)
inlineinherited

Deactivate/Reactivate automatic AudioInfo updates: (default is active).

◆ setOutput() [1/2]

virtual void setOutput ( AudioOutput & out)
inlinevirtualinherited

Defines/Changes the output target and registers for audio change notifications.

Reimplemented in AudioInputMonitor, AudioInputMonitor, EncodedAudioStream, ReformatBaseStream, TimedStream, VolumeMeter, and VolumeMeter.

◆ setOutput() [2/2]

void setOutput ( Print & out)
inlineoverridevirtual

Defines/Changes the output target.

Implements ModifyingStream.

◆ setStream() [1/2]

virtual void setStream ( AudioStream & io)
inlinevirtualinherited

Defines/Changes the input & output and registers for audio change notifications.

Reimplemented in AudioInputMonitor, AudioInputMonitor, EncodedAudioStream, ReformatBaseStream, TimedStream, VolumeMeter, and VolumeMeter.

◆ setStream() [2/2]

void setStream ( Stream & in)
inlineoverridevirtual

Defines/Changes the input & output.

Implements ModifyingStream.

◆ setWriteBufferSize() [1/2]

void setWriteBufferSize ( int size)
inlineinherited

◆ setWriteBufferSize() [2/2]

void setWriteBufferSize ( int size)
inlineinherited

◆ write() [1/2]

◆ write() [2/2]

size_t write ( const uint8_t * data,
size_t len )
inlineoverridevirtual

Reimplemented from AudioStream.

◆ writeSilence() [1/2]

virtual void writeSilence ( size_t len)
inlinevirtualinherited

Writes len bytes of silence (=0).

◆ writeSilence() [2/2]

virtual void writeSilence ( size_t len)
inlinevirtualinherited

Writes len bytes of silence (=0).

Member Data Documentation

◆ _timeout

int _timeout = 10
protectedinherited

◆ info

AudioInfo info
protectedinherited

◆ is_notify_active

bool is_notify_active = true
protectedinherited

◆ notify_vector

Vector< AudioInfoSupport * > notify_vector
protectedinherited

◆ p_out

ModifyingOutput* p_out = nullptr
protected

◆ tmp_in

RingBuffer< uint8_t > tmp_in {0}
protectedinherited

◆ tmp_out

RingBuffer< uint8_t > tmp_out {0}
protectedinherited

◆ write_buffer_size

int write_buffer_size = 8
protectedinherited

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