Processors
==========

IEncoder
--------

* **live_encoder** : Gstreamer-based Audio Sink
* **flac_encoder** : FLAC encoder based on Gstreamer
* **aac_encoder** : AAC encoder based on Gstreamer
* **mp3_encoder** : MP3 encoder based on Gstreamer
* **vorbis_encoder** : OGG Vorbis encoder based on Gstreamer
* **opus_encoder** : Opus encoder based on Gstreamer
* **wav_encoder** : WAV encoder based on Gstreamer
* **webm_encoder** : WebM encoder based on Gstreamer

IDecoder
--------

* **array_decoder** : Decoder taking Numpy array as input
* **file_decoder** : File Decoder based on Gstreamer
* **live_decoder** : Live source Decoder based on Gstreamer

IGrapher
--------

* **grapher_aubio_pitch** : Image representing Aubio Pitch
* **grapher_onset_detection_function** : Image representing Onset detection function
* **grapher_waveform** : Image representing Waveform from Analyzer
* **spectrogram_log** : Logarithmic scaled spectrogram (level vs. frequency vs. time).
* **spectrogram_lin** : Linear scaled spectrogram (level vs. frequency vs. time).
* **waveform_simple** : Simple monochrome waveform image.
* **waveform_centroid** : Waveform where peaks are colored relatively to the spectral centroids of each frame buffer.
* **waveform_contour_black** : Black amplitude contour waveform.
* **waveform_contour_white** : an white amplitude contour wavform.
* **waveform_transparent** : Transparent waveform.

IAnalyzer
---------

* **mean_dc_shift** : Mean DC shift analyzer
* **level** : Audio level analyzer
* **aubio_melenergy** : Aubio Mel Energy analyzer
* **aubio_mfcc** : Aubio MFCC analyzer
* **aubio_pitch** : Aubio Pitch estimation analyzer
* **aubio_specdesc** : Aubio Spectral Descriptors collection analyzer
* **aubio_temporal** : Aubio Temporal analyzer
* **yaafe** : Yaafe feature extraction library interface analyzer
* **spectrogram_analyzer** : Spectrogram image builder with an extensible buffer based on tables
* **onset_detection_function** : Onset Detection Function analyzer
* **spectrogram_analyzer_buffer** : Spectrogram image builder with an extensible buffer based on tables
* **waveform_analyzer** : Waveform analyzer

IEffect
-------

* **fx_gain** : Gain effect processor