arduino-audio-tools
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A more natural Stream class to process encoded data (aac, wav, mp3...) which also supports the decoding by calling readBytes(). More...
#include <AudioEncoded.h>
Public Member Functions | |
EncodedAudioStream (AudioDecoder *decoder) | |
EncodedAudioStream (AudioEncoder *encoder) | |
EncodedAudioStream (AudioOutput *outputStream, AudioDecoder *decoder) | |
EncodedAudioStream (AudioStream *ioStream, AudioDecoder *decoder) | |
EncodedAudioStream (Print *outputStream, AudioDecoder *decoder) | |
EncodedAudioStream (Print *outputStream, AudioEncoder *encoder) | |
EncodedAudioStream (Stream *ioStream, AudioDecoder *decoder) | |
void | addNotifyAudioChange (AudioInfoSupport &bi) override |
Adds target to be notified about audio changes. | |
virtual AudioInfo | audioInfo () override |
provides the actual input AudioInfo | |
virtual AudioInfo | audioInfoOut () |
provides the actual output AudioInfo: this is usually the same as audioInfo() unless we use a transforming stream | |
int | available () override |
int | availableForWrite () |
bool | begin () |
bool | begin (AudioInfo info) |
virtual void | clearNotifyAudioChange () |
Deletes all change notify subscriptions. | |
AudioDecoder & | decoder () |
Provides the initialized decoder. | |
AudioInfo | defaultConfig () |
AudioEncoder & | encoder () |
Provides the initialized encoder. | |
void | end () |
virtual void | flush () override |
float | getByteFactor () |
AudioDecoder * | getDecoder () |
AudioEncoder * | getEncoder () |
virtual Print * | getPrint () |
virtual Stream * | getStream () |
bool | isNotifyActive () |
Checks if the automatic AudioInfo update is active. | |
virtual | operator bool () |
size_t | readBytes (uint8_t *data, size_t len) |
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. | |
void | setDecoder (AudioDecoder *decoder) |
void | setEncoder (AudioEncoder *encoder) |
void | setFrameSize (int size) |
defines the size of the decoded frame in bytes | |
void | setNotifyActive (bool flag) |
Deactivate/Reactivate automatic AudioInfo updates: (default is active) | |
void | setOutput (AudioOutput &stream) |
void | setOutput (AudioOutput *stream) |
void | setOutput (Print &out) |
Defines/Changes the output target. | |
void | setOutput (Print *stream) |
void | setStream (AudioStream &stream) |
void | setStream (AudioStream *stream) |
void | setStream (Stream &stream) |
Defines/Changes the input & output. | |
void | setStream (Stream *stream) |
size_t | write (const uint8_t *data, size_t len) |
virtual size_t | write (uint8_t ch) override |
virtual void | writeSilence (size_t len) |
Writes len bytes of silence (=0). | |
Protected Member Functions | |
void | addNotifyOnFirstWrite () |
Add notification on first call of write. | |
virtual int | not_supported (int out, const char *msg="") |
void | notifyAudioChange (AudioInfo info) |
void | refillReadBuffer () |
void | setNotifyOnOutput (AudioInfoSupport &info) |
Define potential notification. | |
void | setupReader () |
Protected Attributes | |
int | _timeout = 10 |
EncodedAudioOutput | enc_out |
AudioInfo | info |
bool | is_notify_active = true |
bool | is_output_notify = false |
Vector< AudioInfoSupport * > | notify_vector |
AudioInfoSupport * | p_notify_on_output = nullptr |
Print * | p_print = nullptr |
Stream * | p_stream = nullptr |
TransformationReader< ReformatBaseStream > | reader |
RingBuffer< uint8_t > | tmp_in {0} |
RingBuffer< uint8_t > | tmp_out {0} |
A more natural Stream class to process encoded data (aac, wav, mp3...) which also supports the decoding by calling readBytes().