arduino-audio-tools
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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>
Public Member Functions | |
DecoderBase64 () | |
Constructor for a new DecoderBase64 object. | |
DecoderBase64 (Print &out) | |
Constructor for a new DecoderBase64 object. | |
virtual void | addNotifyAudioChange (AudioInfoSupport &bi) |
Adds target to be notified about audio changes. | |
virtual AudioInfo | audioInfo () |
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 | |
bool | begin () override |
virtual bool | begin (AudioInfo info) override |
virtual void | clearNotifyAudioChange () |
Deletes all change notify subscriptions. | |
void | end () override |
bool | isNotifyActive () |
Checks if the automatic AudioInfo update is active. | |
virtual bool | isResultPCM () |
Returns true to indicate that the decoding result is PCM data. | |
operator bool () override | |
virtual bool | removeNotifyAudioChange (AudioInfoSupport &bi) |
Removes a target in order not to be notified about audio changes. | |
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 | 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 (AudioStream &out_stream) |
Defines where the decoded result is written to. | |
void | setOutput (Print &out) override |
Defines the output Stream. | |
size_t | write (const uint8_t *data, size_t len) override |
Public Attributes | |
int | id |
custom id to be used by application | |
Protected Member Functions | |
void | addToBuffer (uint8_t *data, size_t len) |
void | decodeLine (uint8_t *data, size_t byteCount) |
void | notifyAudioChange (AudioInfo info) |
void | writeBlocking (Print *out, uint8_t *data, size_t len) |
Protected Attributes | |
bool | active = false |
RingBuffer< uint8_t > | buffer {1500} |
AudioInfo | info |
bool | is_notify_active = true |
bool | is_valid = false |
Base46Logic | newline_logic = CRforFrame |
Vector< AudioInfoSupport * > | notify_vector |
Print * | p_print = nullptr |
Vector< uint8_t > | result |
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.
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inline |
Constructor for a new DecoderBase64 object.
out_buffeream | Output Stream to which we write the decoded result |
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inlinevirtualinherited |
Adds target to be notified about audio changes.
Reimplemented in CodecNOP, MP3DecoderMAD, EncodedAudioOutput, EncodedAudioStream, AACDecoderFDK, DecoderBasic, MP3DecoderHelix, OggContainerDecoder, Pipeline, and Pipeline::ModifyingStreamAdapter.
provides the actual input AudioInfo
Implements AudioInfoSupport.
Reimplemented in CodecNOP, GGWaveDecoder, AACDecoderFDK, AACDecoderHelix, DecoderBasic, DecoderHelix, MP3DecoderHelix, MP3DecoderMAD, OpusAudioDecoder, WAVDecoder, WavIMADecoder, and OggContainerDecoder.
provides the actual output AudioInfo: this is usually the same as audioInfo() unless we use a transforming stream
Reimplemented in PureDataStream, PWMAudioOutput, ChannelFormatConverterStreamT< T >, ChannelFormatConverterStream, NumberFormatConverterStreamT< TFrom, TTo >, NumberFormatConverterStream, FormatConverterStream, Pipeline, and ResampleStream.
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inlineoverridevirtual |
Reimplemented from AudioDecoder.
Reimplemented from AudioWriter.
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inlineoverridevirtual |
Reimplemented from AudioDecoder.
Returns true to indicate that the decoding result is PCM data.
Reimplemented in CopyDecoder, and GGWaveDecoder.
Implements AudioWriter.
for most decoders this is not needed
Implements AudioWriter.
Reimplemented in GGWaveDecoder, DecoderL8, OpusAudioDecoder, CodecNOP, AACDecoderHelix, and G7xxDecoder.
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inlinevirtualinherited |
Defines where the decoded result is written to.
Reimplemented in MetaDataFilterDecoder.
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inlinevirtualinherited |
Defines where the decoded result is written to.
Reimplemented in MetaDataFilterDecoder.
Defines the output Stream.
Reimplemented from AudioDecoder.
Implements AudioWriter.