arduino-audio-tools
Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
ChannelFormatConverterStream Class Reference

Channel converter which does not use a template. More...

#include <AudioStreamsConverter.h>

Inheritance diagram for ChannelFormatConverterStream:
ReformatBaseStream ModifyingStream AudioStream Stream AudioInfoSupport AudioInfoSource Print

Public Member Functions

 ChannelFormatConverterStream (ChannelFormatConverterStream const &)=delete
 
 ChannelFormatConverterStream (Print &print)
 
 ChannelFormatConverterStream (Stream &stream)
 
virtual void addNotifyAudioChange (AudioInfoSupport &bi)
 Adds target to be notified about audio changes.
 
virtual AudioInfo audioInfo () override
 provides the actual input AudioInfo
 
AudioInfo audioInfoOut () override
 Returns the AudioInfo with the to_channels.
 
virtual int available () override
 
virtual int availableForWrite () override
 
bool begin ()
 
bool begin (AudioInfo cfg, int toChannels)
 
virtual void clearNotifyAudioChange ()
 Deletes all change notify subscriptions.
 
void end () override
 
virtual void flush () override
 
float getByteFactor ()
 
virtual PrintgetPrint ()
 
virtual StreamgetStream ()
 
bool isNotifyActive ()
 Checks if the automatic AudioInfo update is active.
 
 operator bool ()
 
ChannelFormatConverterStreamoperator= (ChannelFormatConverterStream const &)=delete
 
size_t readBytes (uint8_t *data, size_t size) 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.
 
void setAudioInfo (AudioInfo cfg) override
 Defines the input AudioInfo.
 
void setNotifyActive (bool flag)
 Deactivate/Reactivate automatic AudioInfo updates: (default is active)
 
virtual void setOutput (AudioOutput &print)
 
virtual void setOutput (Print &print) override
 Defines/Changes the output target.
 
virtual void setStream (AudioStream &stream)
 
virtual void setStream (Stream &stream) override
 Defines/Changes the input & output.
 
void setToChannels (uint16_t channels)
 
virtual size_t write (const uint8_t *data, size_t size) override
 
virtual size_t write (uint8_t ch) override
 
virtual void writeSilence (size_t len)
 Writes len bytes of silence (=0).
 

Protected Member Functions

template<typename T >
ChannelFormatConverterStreamT< T > * getConverter ()
 
virtual int not_supported (int out, const char *msg="")
 
void notifyAudioChange (AudioInfo info)
 
void refillReadBuffer ()
 
bool setupConverter (int fromChannels, int toChannels)
 
void setupReader ()
 

Protected Attributes

int _timeout = 10
 
int bits_per_sample = 0
 
void * converter
 
int from_channels
 
AudioInfo info
 
bool is_notify_active = true
 
Vector< AudioInfoSupport * > notify_vector
 
Printp_print = nullptr
 
Streamp_stream = nullptr
 
TransformationReader< ReformatBaseStreamreader
 
RingBuffer< uint8_t > tmp_in {0}
 
RingBuffer< uint8_t > tmp_out {0}
 
int to_channels
 

Detailed Description

Channel converter which does not use a template.

Author
Phil Schatzmann

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