arduino-audio-tools
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AudioDecoder Class Referenceabstract

Decoding of encoded audio into PCM data. More...

#include <CodecOpusOgg.h>

Inheritance diagram for AudioDecoder:
AudioWriter AudioInfoSource AudioWriter AudioInfoSource AudioInfoSupport AudioInfoSupport AudioInfoSupport AudioInfoSupport AACDecoderFAAD AACDecoderFAAD2 AACDecoderFDK AACDecoderHelix AC3AudioDecoder ADPCMDecoderXQ ADTSDecoder AMRNBDecoder AMRWBDecoder APTXDecoder AudioDecoderExt Codec2Decoder CodecChain CodecNOP ContainerDecoder CopyDecoder DSFDecoder DecoderALAC DecoderAdapter DecoderBase64 DecoderBasic DecoderFloat DecoderL16 DecoderL8 DecoderNetworkFormat FLACDecoderFoxen G722Decoder G729Decoder G7xxDecoder GSMDecoder ILBCDecoder LC3Decoder MP2Decoder MP3DecoderHelix MP3DecoderMAD MP3DecoderMini MTSDecoder MTSDecoderTSDemux MetaDataFilterDecoder MultiDecoder OpusAudioDecoder OpusMultiStreamAudioDecoder SBCDecoder VorbisDecoder WAVDecoder WavIMADecoder AudioDecoderExt AudioDecoderExt CodecNOP CodecNOP ContainerDecoder ContainerDecoder

Public Member Functions

 AudioDecoder ()=default
 AudioDecoder ()=default
 AudioDecoder (AudioDecoder const &)=delete
 AudioDecoder (AudioDecoder const &)=delete
virtual ~AudioDecoder ()=default
virtual ~AudioDecoder ()=default
virtual void addNotifyAudioChange (AudioInfoSupport &bi)
 Adds target to be notified about audio changes.
virtual void addNotifyAudioChange (AudioInfoSupport &bi)
 Adds target to be notified about audio changes.
AudioInfo audioInfo () override
 provides the actual input AudioInfo
AudioInfo audioInfo () override
 provides the actual input AudioInfo
virtual AudioInfo audioInfoOut ()
virtual AudioInfo audioInfoOut ()
bool begin () override
bool begin () override
virtual bool begin (AudioInfo info) override
virtual bool begin (AudioInfo info) override
virtual void clearNotifyAudioChange ()
 Deletes all change notify subscriptions.
virtual void clearNotifyAudioChange ()
 Deletes all change notify subscriptions.
void end () override
void end () override
Print * getOutput ()
Print * getOutput ()
bool isNotifyActive ()
 Checks if the automatic AudioInfo update is active.
bool isNotifyActive ()
 Checks if the automatic AudioInfo update is active.
virtual bool isResultPCM ()
 Returns true to indicate that the decoding result is PCM data.
virtual bool isResultPCM ()
 Returns true to indicate that the decoding result is PCM data.
virtual const char * mime ()=0
 Provides the mime type of the data that is expected by this decoder.
virtual const char * mime ()=0
 Provides the mime type of the data that is expected by this decoder.
virtual operator bool ()=0
virtual operator bool ()=0
AudioDecoder & operator= (AudioDecoder const &)=delete
AudioDecoder & operator= (AudioDecoder const &)=delete
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.
void setAudioInfo (AudioInfo from) override
 for most decoders this is not needed
void setAudioInfo (AudioInfo from) override
 for most decoders this is not needed
virtual bool setCodecConfig (const uint8_t *data, size_t len)
 Some decoders need e.g. a magic cookie to provide the relevant info for decoding.
virtual bool setCodecConfig (const uint8_t *data, size_t len)
 Some decoders need e.g. a magic cookie to provide the relevant info for decoding.
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_stream)
 Defines where the decoded result is written to.
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.
virtual void setOutput (AudioStream &out_stream)
 Defines where the decoded result is written to.
virtual void setOutput (Print &out_stream) override
 Defines where the decoded result is written to.
virtual void setOutput (Print &out_stream) override
 Defines where the decoded result is written to.
virtual size_t write (const uint8_t *data, size_t len)=0
virtual size_t write (const uint8_t *data, size_t len)=0

Public Attributes

int id
 custom id to be used by application

Protected Member Functions

void notifyAudioChange (AudioInfo info)
void notifyAudioChange (AudioInfo info)
void writeBlocking (Print *out, uint8_t *data, size_t len)
void writeBlocking (Print *out, uint8_t *data, size_t len)

Protected Attributes

AudioInfo info
bool is_notify_active = true
Vector< AudioInfoSupport * > notify_vector
Print * p_print = nullptr

Detailed Description

Decoding of encoded audio into PCM data.

Author
Phil Schatzmann

Constructor & Destructor Documentation

◆ AudioDecoder() [1/4]

AudioDecoder ( )
default

◆ ~AudioDecoder() [1/2]

virtual ~AudioDecoder ( )
virtualdefault

◆ AudioDecoder() [2/4]

AudioDecoder ( AudioDecoder const & )
delete

◆ AudioDecoder() [3/4]

AudioDecoder ( )
default

◆ ~AudioDecoder() [2/2]

virtual ~AudioDecoder ( )
virtualdefault

◆ AudioDecoder() [4/4]

AudioDecoder ( AudioDecoder const & )
delete

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]

virtual void addNotifyAudioChange ( AudioInfoSupport & bi)
inlinevirtualinherited

Adds target to be notified about audio changes.

Reimplemented in CodecNOP, CodecNOP, EncodedAudioOutput, and EncodedAudioStream.

◆ audioInfo() [1/2]

◆ audioInfo() [2/2]

◆ audioInfoOut() [1/2]

◆ audioInfoOut() [2/2]

◆ begin() [1/4]

◆ begin() [2/4]

◆ begin() [3/4]

virtual bool begin ( AudioInfo info)
inlineoverridevirtual

Reimplemented from AudioWriter.

◆ begin() [4/4]

virtual bool begin ( AudioInfo info)
inlineoverridevirtual

Reimplemented from AudioWriter.

◆ clearNotifyAudioChange() [1/2]

virtual void clearNotifyAudioChange ( )
inlinevirtualinherited

◆ clearNotifyAudioChange() [2/2]

virtual void clearNotifyAudioChange ( )
inlinevirtualinherited

◆ end() [1/2]

◆ end() [2/2]

◆ getOutput() [1/2]

Print * getOutput ( )
inline

◆ getOutput() [2/2]

Print * getOutput ( )
inline

◆ 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.

◆ isResultPCM() [1/2]

virtual bool isResultPCM ( )
inlinevirtual

Returns true to indicate that the decoding result is PCM data.

Reimplemented in ContainerM4A, CopyDecoder, and DecoderNetworkFormat.

◆ isResultPCM() [2/2]

virtual bool isResultPCM ( )
inlinevirtual

Returns true to indicate that the decoding result is PCM data.

Reimplemented in ContainerM4A, CopyDecoder, and DecoderNetworkFormat.

◆ mime() [1/2]

◆ mime() [2/2]

◆ notifyAudioChange() [1/2]

void notifyAudioChange ( AudioInfo info)
inlineprotectedinherited

◆ notifyAudioChange() [2/2]

void notifyAudioChange ( AudioInfo info)
inlineprotectedinherited

◆ operator bool() [1/2]

◆ operator bool() [2/2]

◆ operator=() [1/2]

AudioDecoder & operator= ( AudioDecoder const & )
delete

◆ operator=() [2/2]

AudioDecoder & operator= ( AudioDecoder const & )
delete

◆ 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]

void setAudioInfo ( AudioInfo from)
inlineoverridevirtual

for most decoders this is not needed

Implements AudioWriter.

Reimplemented in CodecNOP, and CodecNOP.

◆ setAudioInfo() [2/2]

void setAudioInfo ( AudioInfo from)
inlineoverridevirtual

for most decoders this is not needed

Implements AudioWriter.

Reimplemented in CodecNOP, and CodecNOP.

◆ setCodecConfig() [1/2]

virtual bool setCodecConfig ( const uint8_t * data,
size_t len )
inlinevirtual

Some decoders need e.g. a magic cookie to provide the relevant info for decoding.

Reimplemented in DecoderALAC, and MultiDecoder.

◆ setCodecConfig() [2/2]

virtual bool setCodecConfig ( const uint8_t * data,
size_t len )
inlinevirtual

Some decoders need e.g. a magic cookie to provide the relevant info for decoding.

Reimplemented in DecoderALAC, and MultiDecoder.

◆ 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() [1/6]

virtual void setOutput ( AudioOutput & out_stream)
inlinevirtual

Defines where the decoded result is written to.

◆ setOutput() [2/6]

virtual void setOutput ( AudioOutput & out_stream)
inlinevirtual

Defines where the decoded result is written to.

◆ setOutput() [3/6]

virtual void setOutput ( AudioStream & out_stream)
inlinevirtual

Defines where the decoded result is written to.

◆ setOutput() [4/6]

virtual void setOutput ( AudioStream & out_stream)
inlinevirtual

Defines where the decoded result is written to.

◆ setOutput() [5/6]

◆ setOutput() [6/6]

◆ write() [1/2]

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

◆ write() [2/2]

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

◆ writeBlocking() [1/2]

void writeBlocking ( Print * out,
uint8_t * data,
size_t len )
inlineprotectedinherited

◆ writeBlocking() [2/2]

void writeBlocking ( Print * out,
uint8_t * data,
size_t len )
inlineprotectedinherited

Member Data Documentation

◆ id

int id

custom id to be used by application

◆ info

AudioInfo info
protected

◆ is_notify_active

bool is_notify_active = true
protectedinherited

◆ notify_vector

Vector< AudioInfoSupport * > notify_vector
protectedinherited

◆ p_print

Print * p_print = nullptr
protected

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