arduino-audio-tools
Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
DecoderBase64 Class Reference

DecoderBase64 - Converts a Base64 encoded Stream into the original data stream. Decoding only gives a valid result if we start at a limit of 4 bytes. We therefore use by default a newline to determine a valid start boundary. More...

#include <CodecBase64.h>

Inheritance diagram for DecoderBase64:
AudioDecoder AudioWriter AudioInfoSource

Public Member Functions

 DecoderBase64 ()
 Constructor for a new DecoderBase64 object.
 
 DecoderBase64 (Print &out)
 Constructor for a new DecoderBase64 object. More...
 
virtual AudioInfo audioInfo ()
 
void begin () override
 
virtual void begin (AudioInfo info)
 
void end () override
 
virtual bool isResultPCM ()
 If true, the decoding result is PCM data.
 
 operator bool () override
 
virtual void setAudioInfo (AudioInfo from) override
 for most decoders this is not needed
 
void setNewLine (Base46Logic logic)
 We expect new lines to delimit the individual lines.
 
void setNotifyAudioChange (AudioInfoSupport &notify) override
 Registers an object that is notified if the audio format is changing.
 
virtual void setOutput (AudioOutput &out_stream)
 Defines where the decoded result is written to.
 
virtual void setOutput (AudioStream &out_stream)
 Defines where the decoded result is written to.
 
void setOutput (Print &out) override
 Defines the output Stream.
 
size_t write (const void *data, size_t byteCount) override
 

Protected Member Functions

void addToBuffer (uint8_t *data, size_t len)
 
void decodeLine (uint8_t *data, size_t byteCount)
 
void writeBlocking (Print *out, uint8_t *data, size_t len)
 

Protected Attributes

bool active = false
 
RingBuffer< uint8_t > buffer {1500}
 
AudioInfo info
 
bool is_valid = false
 
Base46Logic newline_logic = CRforFrame
 
AudioInfoSupportp_notify = nullptr
 
Printp_print = nullptr
 
Vector< uint8_t > result
 

Detailed Description

DecoderBase64 - Converts a Base64 encoded Stream into the original data stream. Decoding only gives a valid result if we start at a limit of 4 bytes. We therefore use by default a newline to determine a valid start boundary.

Author
Phil Schatzmann

Constructor & Destructor Documentation

◆ DecoderBase64()

DecoderBase64 ( Print out)
inline

Constructor for a new DecoderBase64 object.

Parameters
out_buffereamOutput Stream to which we write the decoded result

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