Part II. The audio layer

The audio layer contains various objects related to audio processing.

Table of Contents

Utility functions

AgsSoundEnums — sound enumerations
AgsSynthEnums — synth enumerations
AgsSoundcardUtil — soundcard util
AgsSequencerUtil — sequencer util
AgsCharBufferUtil — util functions to handle char buffer
AgsChorusUtil — chorus util
ags_common_pitch_util
AgsLinearInterpolateUtil — util functions to linear interpolate
AgsFourierTransformUtil — fourier transform util
AgsFastPitchUtil — fast pitch util
AgsHQPitchUtil — hq pitch util
AgsTimeStretchUtil — time stretch util
AgsPhaseShiftUtil — phase shift util
AgsFrequencyAliaseUtil — frequency aliase util
AgsAudioBufferUtil — audio buffer util
AgsVolumeUtil — Boxed type of volume util
AgsTremoloUtil — Boxed type of tremolo util
AgsEnvelopeUtil — Boxed type of envelope util
AgsWahWahUtil — Boxed type of wah_wah util
AgsPeakUtil — Boxed type of peak util
AgsNoiseUtil — noise util
AgsResampleUtil — Boxed type of resample util
AgsSynthUtil — synth util
AgsFMSynthUtil — frequency modulation synth util
AgsSFZSynthUtil — SFZ synth util
AgsLFOSynthUtil — low frequency oscillator synth util
AgsSynthGenerator — generate wave-form
AgsSFZSynthGenerator — generate wave-form
AgsSF2SynthGenerator — generate wave-form
AgsSF2SynthUtil — SF2 synth util

Utility functions from Fluidsynth

AgsFluidUtil — fluid util
AgsFluidInterpolateNoneUtil — util functions to fluid interpolate none
AgsFluidInterpolateLinearUtil — util functions to fluid interpolate linear
AgsFluidInterpolate4thOrderUtil — util functions to fluid interpolate 4th order
AgsFluidInterpolate7thOrderUtil — util functions to fluid interpolate 7th order
AgsFluidIIRFilterUtil — util functions to fluid IIR filter

Frequency utils

AgsFrequencyMapManager — frequency map manager
AgsFrequencyMap — Contains the audio data for a given frequency

Audio sinks and sources

AgsFifoout — Output to pipe
AgsAlsaDevin — Input from soundcard
AgsAlsaDevout — Output to soundcard
AgsAlsaMidiin — Input from sequencer
AgsOssDevin — Input from soundcard
AgsOssDevout — Output to soundcard
AgsOssMidiin — Input from sequencer
AgsWasapiDevout — Output to soundcard
AgsWasapiDevin — Output to soundcard
AgsJackServer — JACK instance
AgsJackClient — JACK connection
AgsJackPort — JACK resource.
AgsJackDevin — Input from soundcard
AgsJackDevout — Output to soundcard
AgsJackMidiin — Input from sequencer
AgsPulseServer — pulseaudio instance
AgsPulseClient — pulseaudio connection
AgsPulsePort — pulseaudio resource.
AgsPulseDevin — Input from soundcard
AgsPulseDevout — Output to soundcard
AgsGstreamerServer — gstreamer instance
AgsGstreamerClient — gstreamer connection
AgsGstreamerPort — gstreamer resource.
AgsGstreamerDevin — Input from soundcard
AgsGstreamerDevout — Output to soundcard
AgsCoreAudioServer — core audio instance
AgsCoreAudioClient — core audio connection
AgsCoreAudioPort — core audio resource.
AgsCoreAudioDevin — Output to soundcard
AgsCoreAudioDevout — Output to soundcard
AgsCoreAudioMidiin — Input from sequencer
AgsAudioUnitServer — audio unit instance
AgsAudioUnitClient — core audio connection
AgsAudioUnitPort — core audio resource.
AgsAudioUnitDevin — Output to soundcard
AgsAudioUnitDevout — Output to soundcard

The audio tree

AgsSoundProvider — Sound provider interface
AgsAudioApplicationContext — audio application context
AgsAudio — A container of channels organizing them as input or output
AgsChannel — A channel is a node within the audio processing tree and does recycling
AgsOutput — Output of AgsAudio
AgsInput — Input of AgsAudio
AgsRecycling — Recycling container of audio signals
AgsAudioSignal — Contains the audio data and its alignment
AgsPort — Perform thread-safe operations

Storage objects

AgsNotation — Notation class supporting selection and clipboard
AgsNote — Note class
AgsAutomation — Automation class supporting selection and clipboard
AgsAcceleration — Acceleration class
AgsWave — Wave class supporting selection and clipboard
AgsBuffer — Buffer class
AgsMidi — Midi class supporting selection and clipboard.
AgsTrack — Track class.
AgsPattern — Pattern representing tones
AgsPreset — Presets
AgsProgram — Program class supporting selection and clipboard
AgsMarker — Marker class

Fundamental recall types

AgsFxFactory — Factory pattern
AgsPlaybackDomain — Outputting audio to soundcard
AgsPlayback — Outputting channel to soundcard
AgsRecallID — The recall id specifies run context
AgsRecyclingContext — A context of recycling acting as dynamic context
AgsRecallContainer — Container to group recalls
AgsRecallDependency — Recall dependency
AgsRecall — The recall base class
AgsRecallAudio — The recall base class of audio context
AgsRecallAudioRun — The recall base class of dynamic audio context
AgsRecallChannel — The recall base class of channel context
AgsRecallChannelRun — The recall base class of dynamic channel context
AgsRecallRecycling — The recall base class of recycling context
AgsRecallAudioSignal — The recall base class of dynamic audio signal context
AgsGenericRecallChannelRun — generic channel context of recall
AgsGenericRecallRecycling — generic recycling context of recall

Audio thread - multi-threaded audio