arduino-audio-tools
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Simple functionality to extract mono streams from a multichannel (e.g. stereo) signal. More...
#include <AudioOutput.h>
Classes | |
struct | ChannelSelectionOutputDef |
Public Member Functions | |
ChannelSplitOutput (Print &out, int channel) | |
virtual void | addNotifyAudioChange (AudioInfoSupport &bi) |
Adds target to be notified about audio changes. | |
void | addOutput (Print &out, int channel) |
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 | |
virtual int | availableForWrite () override |
virtual bool | begin () |
virtual bool | begin (AudioInfo info) |
virtual void | clearNotifyAudioChange () |
Deletes all change notify subscriptions. | |
virtual void | end () |
virtual void | flush () |
virtual bool | isDeletable () |
If true we need to release the related memory in the destructor. | |
bool | isNotifyActive () |
Checks if the automatic AudioInfo update is active. | |
virtual | operator bool () |
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 | setNotifyActive (bool flag) |
Deactivate/Reactivate automatic AudioInfo updates: (default is active) | |
size_t | write (const uint8_t *data, size_t len) override |
virtual size_t | write (uint8_t ch) override |
virtual void | writeSilence (size_t len) |
Protected Member Functions | |
void | notifyAudioChange (AudioInfo info) |
template<typename T > | |
size_t | writeT (const uint8_t *buffer, size_t size) |
Protected Attributes | |
int | _timeout = 10 |
AudioInfo | cfg |
bool | is_active = false |
bool | is_notify_active = true |
Vector< AudioInfoSupport * > | notify_vector |
Vector< ChannelSelectionOutputDef > | out_channels |
SingleBuffer< uint8_t > | tmp {MAX_SINGLE_CHARS} |
int | tmpPos = 0 |
Simple functionality to extract mono streams from a multichannel (e.g. stereo) signal.
T |
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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.
Define the channel to be sent to the specified output. 0: first (=left) channel, 1: second (=right) channel
provides the actual input AudioInfo
Implements AudioInfoSupport.
Reimplemented in AdapterPrintToAudioOutput, and AdapterAudioStreamToAudioOutput.
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.
Reimplemented from Print.
Reimplemented in RTSPOutput, and AudioFFTBase.
Reimplemented in AudioOutputWithCallback, EncodedAudioOutput, OggContainerOutput, AudioFFTBase, MetaDataFilter, and CsvOutput< T >.
Reimplemented in AudioESP32ULP, CsvOutput< T >, and EncodedAudioOutput.
Reimplemented in OversamplingDAC, EncodedAudioOutput, OggContainerOutput, and AudioFFTBase.
If true we need to release the related memory in the destructor.
Reimplemented in AdapterPrintToAudioOutput, and AdapterAudioStreamToAudioOutput.
Reimplemented in EncodedAudioOutput, and RTSPOutput.
Defines the input AudioInfo.
Implements AudioInfoSupport.
Reimplemented in ChannelsSelectOutput, AdapterPrintToAudioOutput, MultiOutput, AudioFFTBase, AdapterAudioStreamToAudioOutput, CsvOutput< T >, PWMAudioOutput, and EncodedAudioOutput.
Implements AudioOutput.
Reimplemented in OversamplingDAC.
Writes n 0 values (= silence)
len |