Audio module

Classes

struct AutomationPoint

An automation point inside an AutomationTrack.

struct Channel

A Channel is part of a Track (excluding Tracks that don't have Channels) and contains information related to routing and the Mixer.

struct ChannelSend

Channel send.

struct ChordDescriptor

A ChordDescriptor describes a chord and is not linked to any specific object by itself.

struct ChordObject

A ChordObject to be shown in the TimelineArrangerWidget.

struct AudioClip

Audio clips for the pool.

struct ControlRoom

The control room allows to specify how Listen will work on each Channel and to set overall volume after the Master Channel so you can change the volume without touching the Master Fader.

struct CurveOptions

Curve options.

struct AudioEncoder

Struct for holding info for encoding.

struct AudioEngine

The audio engine.

struct ExportSettings

Export settings to be passed to the exporter to use.

struct ExtPort

External port.

struct Fader

A Fader is a processor that is used for volume controls and pan.

struct Graph

Graph.

struct GraphNode

A node in the processing graph.

struct HardwareProcessor

Hardware processor.

struct Marker

Marker for the MarkerTrack.

struct Meter

A Meter used by a single GUI element.

struct Metronome

Metronome settings.

struct MidiEvent

Backend-agnostic MIDI event descriptor.

struct MidiEvents

Container for passing midi events through ports.

struct MidiEventHeader

Used by Windows MME and RtMidi when adding events to the ring.

struct MidiMapping

A mapping from a MIDI value to a destination.

struct MidiMappings

All MIDI mappings in Zrythm.

struct MidiNote

A MIDI note inside a ZRegion shown in the piano roll.

struct ModulatorMacroProcessor

Modulator macro button processor.

struct AudioPool

An audio pool is a pool of audio files and their corresponding float arrays in memory that are referenced by regions.

struct Port

Must ONLY be created via port_new()

struct StereoPorts

L & R port, for convenience.

struct PortIdentifier

Struct used to identify Ports in the project.

struct Position

A Position is made up of bars.beats.sixteenths.ticks.

struct RecordingEvent

A recording event.

struct ZRegion

A region (clip) is an object on the timeline that contains either MidiNote's or AudioClip's.

struct RegionIdentifier

Index/identifier for a Region, so we can get Region objects quickly with it without searching by name.

struct RegionLinkGroup

A group of linked regions.

struct RegionLinkGroupManager

Manager of region link groups.

struct SamplePlayback

A sample playback handle to be used by the engine.

struct SampleProcessor

A processor to be used in the routing graph for playing samples independent of the timeline.

struct MusicalScale

To be generated at the beginning, and then copied and reused.

struct ScaleObject

A ScaleObject to be shown in the TimelineArrangerWidget.

struct Stretcher

Stretcher interface.

struct Track

Track to be inserted into the Project's Tracklist.

struct TrackLane

A TrackLane belongs to a Track (can have many TrackLanes in a Track) and contains Regions.

struct TrackProcessor

A TrackProcessor is a processor that is used as the first entry point when processing a track.

struct Tracklist

The Tracklist contains all the tracks in the Project.

struct Transport

The transport.

struct Velocity

The MidiNote velocity.

Enums

enum BalanceControlAlgorithm { BALANCE_CONTROL_ALGORITHM_LINEAR }

See https://www.harmonycentral.com/articles/the-truth-about-panning-laws.

enum ChordType { CHORD_TYPE_MAJ, CHORD_TYPE_MIN, CHORD_TYPE_DIM, CHORD_TYPE_SUS4, CHORD_TYPE_SUS2, CHORD_TYPE_AUG, NUM_CHORD_TYPES }

Chord type.

enum ChordAccent { CHORD_ACC_NONE, CHORD_ACC_7, CHORD_ACC_j7, CHORD_ACC_b9, CHORD_ACC_9, CHORD_ACC_S9, CHORD_ACC_11, CHORD_ACC_b5_S11, CHORD_ACC_S5_b13, CHORD_ACC_6_13, NUM_CHORD_ACCENTS }

Chord accents.

enum CurveAlgorithm { CURVE_ALGORITHM_EXPONENT, CURVE_ALGORITHM_SUPERELLIPSE, CURVE_ALGORITHM_VITAL, CURVE_ALGORITHM_PULSE, NUM_CURVE_ALGORITHMS }

The algorithm to use for curves.

enum AudioEngineBufferSize { AUDIO_ENGINE_BUFFER_SIZE_16, AUDIO_ENGINE_BUFFER_SIZE_32, AUDIO_ENGINE_BUFFER_SIZE_64, AUDIO_ENGINE_BUFFER_SIZE_128, AUDIO_ENGINE_BUFFER_SIZE_256, AUDIO_ENGINE_BUFFER_SIZE_512, AUDIO_ENGINE_BUFFER_SIZE_1024, AUDIO_ENGINE_BUFFER_SIZE_2048, AUDIO_ENGINE_BUFFER_SIZE_4096, NUM_AUDIO_ENGINE_BUFFER_SIZES }

Buffer sizes to be used in combo boxes.

enum AudioEngineSamplerate { AUDIO_ENGINE_SAMPLERATE_22050, AUDIO_ENGINE_SAMPLERATE_32000, AUDIO_ENGINE_SAMPLERATE_44100, AUDIO_ENGINE_SAMPLERATE_48000, AUDIO_ENGINE_SAMPLERATE_88200, AUDIO_ENGINE_SAMPLERATE_96000, AUDIO_ENGINE_SAMPLERATE_192000, NUM_AUDIO_ENGINE_SAMPLERATES }

Samplerates to be used in comboboxes.

enum BounceMode { BOUNCE_OFF, BOUNCE_ON, BOUNCE_INHERIT }

Mode used when bouncing, either during exporting or when bouncing tracks or regions to audio.

enum AudioFormat { AUDIO_FORMAT_FLAC, AUDIO_FORMAT_OGG, AUDIO_FORMAT_WAV, AUDIO_FORMAT_MP3, AUDIO_FORMAT_MIDI, AUDIO_FORMAT_RAW, NUM_AUDIO_FORMATS }

Audio format.

enum BitDepth { BIT_DEPTH_16, BIT_DEPTH_24, BIT_DEPTH_32 }

Bit depth.

enum ExportTimeRange { TIME_RANGE_LOOP, TIME_RANGE_SONG, TIME_RANGE_CUSTOM }

Time range to export.

enum ExportMode { EXPORT_MODE_FULL, EXPORT_MODE_TRACKS, EXPORT_MODE_REGIONS }

Export mode.

enum ExtPortType { EXT_PORT_TYPE_JACK, EXT_PORT_TYPE_ALSA, EXT_PORT_TYPE_WINDOWS_MME, EXT_PORT_TYPE_RTMIDI, EXT_PORT_TYPE_RTAUDIO }

External port type.

enum FaderType { FADER_TYPE_NONE, FADER_TYPE_MONITOR, FADER_TYPE_AUDIO_CHANNEL, FADER_TYPE_MIDI_CHANNEL, FADER_TYPE_GENERIC }

enum GraphExportType { NUM_GRAPH_EXPORT_TYPES }

Export type.

enum GraphNodeType { ROUTE_NODE_TYPE_PORT, ROUTE_NODE_TYPE_PLUGIN, ROUTE_NODE_TYPE_TRACK, ROUTE_NODE_TYPE_FADER, ROUTE_NODE_TYPE_MONITOR_FADER, ROUTE_NODE_TYPE_PREFADER, ROUTE_NODE_TYPE_SAMPLE_PROCESSOR, ROUTE_NODE_TYPE_INITIAL_PROCESSOR, ROUTE_NODE_TYPE_HW_PROCESSOR, ROUTE_NODE_TYPE_MODULATOR_MACRO_PROCESOR }

Graph nodes can be either ports or processors.

enum MarkerType { MARKER_TYPE_START, MARKER_TYPE_END, MARKER_TYPE_CUSTOM }

Marker type.

enum MeterAlgorithm { METER_ALGORITHM_AUTO, METER_ALGORITHM_DIGITAL_PEAK, METER_ALGORITHM_TRUE_PEAK, METER_ALGORITHM_RMS, METER_ALGORITHM_K }

enum MetronomeType { METRONOME_TYPE_NONE, METRONOME_TYPE_EMPHASIS, METRONOME_TYPE_NORMAL }

The type of the metronome sound.

enum MidiEventType { MIDI_EVENT_TYPE_PITCHBEND, MIDI_EVENT_TYPE_CONTROLLER, MIDI_EVENT_TYPE_NOTE_OFF, MIDI_EVENT_TYPE_NOTE_ON, MIDI_EVENT_TYPE_ALL_NOTES_OFF }

Type of MIDI event.

enum PortInternalType { INTERNAL_NONE, INTERNAL_LV2_PORT, INTERNAL_JACK_PORT, INTERNAL_PA_PORT, INTERNAL_ALSA_SEQ_PORT }

What the internal data is.

enum PortFlow { FLOW_UNKNOWN, FLOW_INPUT, FLOW_OUTPUT }

Direction of the signal.

enum PortType { TYPE_UNKNOWN, TYPE_CONTROL, TYPE_AUDIO, TYPE_EVENT, TYPE_CV }

Type of signals the Port handles.

enum PortUnit { PORT_UNIT_NONE, PORT_UNIT_HZ, PORT_UNIT_MHZ, PORT_UNIT_DB, PORT_UNIT_DEGREES, PORT_UNIT_SECONDS, PORT_UNIT_MS }

Port unit to be displayed in the UI.

enum PortOwnerType { PORT_OWNER_TYPE_BACKEND, PORT_OWNER_TYPE_PLUGIN, PORT_OWNER_TYPE_TRACK, PORT_OWNER_TYPE_FADER, PORT_OWNER_TYPE_PREFADER, PORT_OWNER_TYPE_MONITOR_FADER, PORT_OWNER_TYPE_TRACK_PROCESSOR, PORT_OWNER_TYPE_SAMPLE_PROCESSOR, PORT_OWNER_TYPE_HW }

Type of owner.

enum PortFlags { PORT_FLAG_STEREO_L = 1 << 0, PORT_FLAG_STEREO_R = 1 << 1, PORT_FLAG_PIANO_ROLL = 1 << 2, PORT_FLAG_SIDECHAIN = 1 << 3, PORT_FLAG_MAIN_PORT = 1 << 4, PORT_FLAG_MANUAL_PRESS = 1 << 5, PORT_FLAG_AMPLITUDE = 1 << 6, PORT_FLAG_STEREO_BALANCE = 1 << 7, PORT_FLAG_WANT_POSITION = 1 << 8, PORT_FLAG_TRIGGER = 1 << 9, PORT_FLAG_TOGGLE = 1 << 10, PORT_FLAG_INTEGER = 1 << 11, PORT_FLAG_FREEWHEEL = 1 << 12, PORT_FLAG_REPORTS_LATENCY = 1 << 13, PORT_FLAG_NOT_ON_GUI = 1 << 14, PORT_FLAG_PLUGIN_ENABLED = 1 << 15, PORT_FLAG_PLUGIN_CONTROL = 1 << 16, PORT_FLAG_CHANNEL_MUTE = 1 << 17, PORT_FLAG_CHANNEL_FADER = 1 << 18, PORT_FLAG_AUTOMATABLE = 1 << 19, PORT_FLAG_MIDI_AUTOMATABLE = 1 << 20, PORT_FLAG_SEND_RECEIVABLE = 1 << 21, PORT_FLAG_BPM = 1 << 22, PORT_FLAG_TIME_SIG = 1 << 23, PORT_FLAG_GENERIC_PLUGIN_PORT = 1 << 24, PORT_FLAG_PLUGIN_GAIN = 1 << 25, PORT_FLAG_TP_MONO = 1 << 26, PORT_FLAG_TP_INPUT_GAIN = 1 << 27, PORT_FLAG_HW = 1 << 28, PORT_FLAG_MODULATOR_MACRO = 1 << 29 }

Port flags.

enum RecordingEventType { RECORDING_EVENT_TYPE_START_TRACK_RECORDING, RECORDING_EVENT_TYPE_START_AUTOMATION_RECORDING, RECORDING_EVENT_TYPE_MIDI, RECORDING_EVENT_TYPE_AUDIO, RECORDING_EVENT_TYPE_AUTOMATION, RECORDING_EVENT_TYPE_PAUSE_TRACK_RECORDING, RECORDING_EVENT_TYPE_PAUSE_AUTOMATION_RECORDING, RECORDING_EVENT_TYPE_STOP_TRACK_RECORDING, RECORDING_EVENT_TYPE_STOP_AUTOMATION_RECORDING }

enum RegionMusicalMode { REGION_MUSICAL_MODE_INHERIT, REGION_MUSICAL_MODE_OFF, REGION_MUSICAL_MODE_ON }

Musical mode setting for audio regions.

enum RegionType { REGION_TYPE_MIDI = 1 << 0, REGION_TYPE_AUDIO = 1 << 1, REGION_TYPE_AUTOMATION = 1 << 2, REGION_TYPE_CHORD = 1 << 3 }

Type of Region.

enum MusicalScaleType { SCALE_CHROMATIC, SCALE_IONIAN, SCALE_AEOLIAN, SCALE_HARMONIC_MINOR, SCALE_ACOUSTIC, SCALE_ALGERIAN, SCALE_ALTERED, SCALE_AUGMENTED, SCALE_BEBOP_DOMINANT, SCALE_BLUES, SCALE_CHINESE, SCALE_DIMINISHED, SCALE_DOMINANT_DIMINISHED, SCALE_DORIAN, SCALE_DOUBLE_HARMONIC, SCALE_EIGHT_TONE_SPANISH, SCALE_ENIGMATIC, SCALE_EGYPTIAN, SCALE_FLAMENCO, SCALE_GEEZ, SCALE_GYPSY, SCALE_HALF_DIMINISHED, SCALE_HARMONIC_MAJOR, SCALE_HINDU, SCALE_HIRAJOSHI, SCALE_HUNGARIAN_GYPSY, SCALE_HUNGARIAN_MINOR, SCALE_IN, SCALE_INSEN, SCALE_ISTRIAN, SCALE_IWATO, SCALE_LOCRIAN, SCALE_LYDIAN_AUGMENTED, SCALE_LYDIAN, SCALE_MAJOR_LOCRIAN, SCALE_MAJOR_PENTATONIC, SCALE_MAQAM, SCALE_MELODIC_MINOR, SCALE_MINOR_PENTATONIC, SCALE_MIXOLYDIAN, SCALE_NEAPOLITAN_MAJOR, SCALE_NEAPOLITAN_MINOR, SCALE_OCTATONIC_HALF_WHOLE, SCALE_OCTATONIC_WHOLE_HALF, SCALE_ORIENTAL, SCALE_PERSIAN, SCALE_PHRYGIAN_DOMINANT, SCALE_PHRYGIAN, SCALE_PROMETHEUS, SCALE_ROMANIAN_MINOR, SCALE_TRITONE, SCALE_UKRANIAN_DORIAN, SCALE_WHOLE_TONE, SCALE_YO }

Scale type (name) eg Aeolian.

enum NoteType { NOTE_TYPE_NORMAL, NOTE_TYPE_DOTTED, NOTE_TYPE_TRIPLET }

enum NoteLengthType { NOTE_LENGTH_CUSTOM, NOTE_LENGTH_LINK, NOTE_LENGTH_LAST_OBJECT }

enum SnapGridType { SNAP_GRID_TYPE_TIMELINE, SNAP_GRID_TYPE_EDITOR }

Snap grid type.

enum StretcherBackend { STRETCHER_BACKEND_RUBBERBAND, STRETCHER_BACKEND_PAULSTRETCH, STRETCHER_BACKEND_SBSMS }

enum TrackType { TRACK_TYPE_INSTRUMENT, TRACK_TYPE_AUDIO, TRACK_TYPE_MASTER, TRACK_TYPE_CHORD, TRACK_TYPE_MARKER, TRACK_TYPE_TEMPO, TRACK_TYPE_MODULATOR, TRACK_TYPE_AUDIO_BUS, TRACK_TYPE_AUDIO_GROUP, TRACK_TYPE_MIDI, TRACK_TYPE_MIDI_BUS, TRACK_TYPE_MIDI_GROUP }

The Track's type.

enum TrackProcessorMidiAutomatable { MIDI_AUTOMATABLE_MOD_WHEEL, MIDI_AUTOMATABLE_PITCH_BEND, NUM_MIDI_AUTOMATABLES }

Automatable MIDI signals.

enum TracklistPinOption { TRACKLIST_PIN_OPTION_PINNED_ONLY, TRACKLIST_PIN_OPTION_UNPINNED_ONLY, TRACKLIST_PIN_OPTION_BOTH }

Used in track search functions.

enum TransportDisplay { TRANSPORT_DISPLAY_BBT, TRANSPORT_DISPLAY_TIME }

Corrseponts to "transport-display" in the gsettings.

enum TransportRecordingMode { RECORDING_MODE_OVERWRITE_EVENTS, RECORDING_MODE_MERGE_EVENTS, RECORDING_MODE_TAKES, RECORDING_MODE_TAKES_MUTED }

Recording mode for MIDI and audio.

Typedefs

using AutomationPoint = struct AutomationPoint

An automation point inside an AutomationTrack.

using BalanceControlAlgorithm = enum BalanceControlAlgorithm

See https://www.harmonycentral.com/articles/the-truth-about-panning-laws.

using Channel = struct Channel

A Channel is part of a Track (excluding Tracks that don't have Channels) and contains information related to routing and the Mixer.

using ChannelSend = struct ChannelSend

Channel send.

using ChordType = enum ChordType

Chord type.

using ChordAccent = enum ChordAccent

Chord accents.

using ChordDescriptor = struct ChordDescriptor

A ChordDescriptor describes a chord and is not linked to any specific object by itself.

using ChordObject = struct ChordObject

A ChordObject to be shown in the TimelineArrangerWidget.

using AudioClip = struct AudioClip

Audio clips for the pool.

using ControlRoom = struct ControlRoom

The control room allows to specify how Listen will work on each Channel and to set overall volume after the Master Channel so you can change the volume without touching the Master Fader.

using CurveAlgorithm = enum CurveAlgorithm

The algorithm to use for curves.

using CurveOptions = struct CurveOptions

Curve options.

using AudioEncoder = struct AudioEncoder

Struct for holding info for encoding.

using AudioEngineBufferSize = enum AudioEngineBufferSize

Buffer sizes to be used in combo boxes.

using AudioEngineSamplerate = enum AudioEngineSamplerate

Samplerates to be used in comboboxes.

using BounceMode = enum BounceMode

Mode used when bouncing, either during exporting or when bouncing tracks or regions to audio.

using AudioEngine = struct AudioEngine

The audio engine.

using AudioFormat = enum AudioFormat

Audio format.

using BitDepth = enum BitDepth

Bit depth.

using ExportTimeRange = enum ExportTimeRange

Time range to export.

using ExportMode = enum ExportMode

Export mode.

using ExportSettings = struct ExportSettings

Export settings to be passed to the exporter to use.

using ExtPortType = enum ExtPortType

External port type.

using ExtPort = struct ExtPort

External port.

using Fader = struct Fader

A Fader is a processor that is used for volume controls and pan.

using Graph = struct Graph

Graph.

using GraphExportType = enum GraphExportType

Export type.

using GraphNodeType = enum GraphNodeType

Graph nodes can be either ports or processors.

using GraphNode = struct GraphNode

A node in the processing graph.

using HardwareProcessor = struct HardwareProcessor

Hardware processor.

using MarkerType = enum MarkerType

Marker type.

using Marker = struct Marker

Marker for the MarkerTrack.

using MarkerTrack = struct Track

MarkerTrack is just a Track.

using Meter = struct Meter

A Meter used by a single GUI element.

using MetronomeType = enum MetronomeType

The type of the metronome sound.

using Metronome = struct Metronome

Metronome settings.

using MidiEventType = enum MidiEventType

Type of MIDI event.

using MidiEvent = struct MidiEvent

Backend-agnostic MIDI event descriptor.

using MidiEvents = struct MidiEvents

Container for passing midi events through ports.

using MidiEventHeader = struct MidiEventHeader

Used by Windows MME and RtMidi when adding events to the ring.

using MidiMapping = struct MidiMapping

A mapping from a MIDI value to a destination.

using MidiMappings = struct MidiMappings

All MIDI mappings in Zrythm.

using MidiNote = struct MidiNote

A MIDI note inside a ZRegion shown in the piano roll.

using ModulatorMacroProcessor = struct ModulatorMacroProcessor

Modulator macro button processor.

using AudioPool = struct AudioPool

An audio pool is a pool of audio files and their corresponding float arrays in memory that are referenced by regions.

using PortInternalType = enum PortInternalType

What the internal data is.

using Port = struct Port

Must ONLY be created via port_new()

using StereoPorts = struct StereoPorts

L & R port, for convenience.

using PortFlow = enum PortFlow

Direction of the signal.

using PortType = enum PortType

Type of signals the Port handles.

using PortUnit = enum PortUnit

Port unit to be displayed in the UI.

using PortOwnerType = enum PortOwnerType

Type of owner.

using PortFlags = enum PortFlags

Port flags.

using PortIdentifier = struct PortIdentifier

Struct used to identify Ports in the project.

using Position = struct Position

A Position is made up of bars.beats.sixteenths.ticks.

using RecordingEvent = struct RecordingEvent

A recording event.

using RegionMusicalMode = enum RegionMusicalMode

Musical mode setting for audio regions.

using ZRegion = struct ZRegion

A region (clip) is an object on the timeline that contains either MidiNote's or AudioClip's.

using RegionType = enum RegionType

Type of Region.

using RegionIdentifier = struct RegionIdentifier

Index/identifier for a Region, so we can get Region objects quickly with it without searching by name.

using RegionLinkGroup = struct RegionLinkGroup

A group of linked regions.

using RegionLinkGroupManager = struct RegionLinkGroupManager

Manager of region link groups.

using SamplePlayback = struct SamplePlayback

A sample playback handle to be used by the engine.

using SampleProcessor = struct SampleProcessor

A processor to be used in the routing graph for playing samples independent of the timeline.

using MusicalScaleType = enum MusicalScaleType

Scale type (name) eg Aeolian.

using MusicalScale = struct MusicalScale

To be generated at the beginning, and then copied and reused.

using ScaleObject = struct ScaleObject

A ScaleObject to be shown in the TimelineArrangerWidget.

using SnapGridType = enum SnapGridType

Snap grid type.

using Stretcher = struct Stretcher

Stretcher interface.

using TrackType = enum TrackType

The Track's type.

using Track = struct Track

Track to be inserted into the Project's Tracklist.

using TrackLane = struct TrackLane

A TrackLane belongs to a Track (can have many TrackLanes in a Track) and contains Regions.

using TrackProcessorMidiAutomatable = enum TrackProcessorMidiAutomatable

Automatable MIDI signals.

using TrackProcessor = struct TrackProcessor

A TrackProcessor is a processor that is used as the first entry point when processing a track.

using TracklistPinOption = enum TracklistPinOption

Used in track search functions.

using Tracklist = struct Tracklist

The Tracklist contains all the tracks in the Project.

using TransportDisplay = enum TransportDisplay

Corrseponts to "transport-display" in the gsettings.

using TransportRecordingMode = enum TransportRecordingMode

Recording mode for MIDI and audio.

using Transport = struct Transport

The transport.

using Velocity = struct Velocity

The MidiNote velocity.

using GraphNode = struct GraphNode

A node in the processing graph.

using MidiEvents = struct MidiEvents

Container for passing midi events through ports.

Functions

auto audio_function_apply(ArrangerSelections* sel, AudioFunctionType type) -> int

Applies the given action to the given selections.

auto audio_region_new(const int pool_id, const char* filename, const float* frames, const long nframes, const char* clip_name, const channels_t channels, const Position* start_pos, int track_pos, int lane_pos, int idx_inside_lane) -> ZRegion*

Creates a ZRegion for audio data.

auto audio_region_get_clip(const ZRegion* self) -> AudioClip*

Returns the audio clip associated with the Region.

void audio_region_set_clip_id(ZRegion* self, int clip_id)

Sets the clip ID on the region and updates any references.

void audio_region_replace_frames(ZRegion* self, float* frames, size_t start_frame, size_t num_frames, bool duplicate_clip)

Replaces the region's frames from start_frames with frames.

void audio_region_free_members(ZRegion* self)

Frees members only but not the audio region itself.

void automation_function_apply(ArrangerSelections* sel, AutomationFunctionType type)

Applies the given action to the given selections.

auto automation_point_new_float(const float value, const float normalized_val, const Position* pos) -> AutomationPoint*

Creates an AutomationPoint in the given AutomationTrack at the given Position.

void automation_point_set_fvalue(AutomationPoint* self, float real_val, bool is_normalized, bool pub_events)

Sets the value from given real or normalized value and notifies interested parties.

void automation_point_set_region_and_index(AutomationPoint* _ap, ZRegion* region, int index)

Sets the ZRegion and the index in the region that the AutomationPoint belongs to, in all its counterparts.

auto automation_point_get_normalized_value_in_curve(AutomationPoint* ap, double x) -> double

The function to return a point on the curve.

void automation_point_set_curviness(AutomationPoint* ap, const curviness_t curviness)

Sets the curviness of the AutomationPoint.

auto automation_point_get_port(AutomationPoint* self) -> Port*

Convenience function to return the control port that this AutomationPoint is for.

auto automation_point_get_automation_track(AutomationPoint* self) -> AutomationTrack*

Convenience function to return the AutomationTrack that this AutomationPoint is in.

auto automation_point_get_y(AutomationPoint* self, int height) -> int

Returns Y in pixels from the value based on the given height of the parent.

auto automation_point_curves_up(AutomationPoint* self) -> bool

Returns if the curve of the AutomationPoint curves upwards as you move right on the x axis.

auto automation_region_new(const Position* start_pos, const Position* end_pos, int track_pos, int at_idx, int idx_inside_at) -> ZRegion*

Creates a new ZRegion for automation.

void automation_region_print_automation(ZRegion* self)

Prints the automation in this Region.

void automation_region_force_sort(ZRegion* self)

Forces sort of the automation points.

void automation_region_add_ap(ZRegion* self, AutomationPoint* ap, int pub_events)

Adds an AutomationPoint to the Region.

auto automation_region_get_prev_ap(ZRegion* self, AutomationPoint* ap) -> AutomationPoint*

Returns the AutomationPoint before the given one.

auto automation_region_get_next_ap(ZRegion* self, AutomationPoint* ap, bool check_positions, bool check_transients) -> AutomationPoint*

Returns the AutomationPoint after the given one.

void automation_region_remove_ap(ZRegion* self, AutomationPoint* ap, int free)

Removes the AutomationPoint from the ZRegion, optionally freeing it.

void automation_region_get_aps_since_last_recorded(ZRegion* self, Position* pos, AutomationPoint** aps, int* num_aps)

Returns the automation points since the last recorded automation point (if the last recorded automation point was before the current pos).

auto automation_region_get_ap_around(ZRegion* self, Position* _pos, double delta_ticks, bool before_only) -> AutomationPoint*

Returns an automation point found within +/- delta_ticks from the position, or NULL.

void automation_region_free_members(ZRegion* self)

Frees members only but not the ZRegion itself.

void balance_control_get_calc_lr(BalanceControlAlgorithm algo, float pan, float* calc_l, float* calc_r)

Returns the coefficients to multiply the L and R signal with.

void channel_handle_recording(Channel* self, const long g_frames_start, const nframes_t nframes)

Handles the recording logic inside the process cycle.

void channel_append_all_ports(Channel* ch, Port*** ports, int* size, bool is_dynamic, int* max_size, bool include_plugins)

Appends all channel ports and optionally plugin ports to the array.

void channel_expose_ports_to_backend(Channel* ch)

Exposes the channel's ports to the backend.

void channel_connect(Channel* ch)

Connects the channel's ports.

void channel_add_balance_control(void* _channel, float pan)

Adds to (or subtracts from) the pan.

void channel_reset_fader(Channel* channel)

Sets fader to 0.0.

void channel_prepare_process(Channel* channel)

Prepares the channel for processing.

auto channel_new(Track* track) -> Channel*

Creates a channel of the given type with the given label.

void channel_process(Channel* channel)

The process function prototype.

auto channel_add_plugin(Channel* channel, PluginSlotType slot_type, int pos, Plugin* plugin, bool confirm, bool moving_plugin, bool gen_automatables, bool recalc_graph, bool pub_events) -> int

Adds given plugin to given position in the strip.

void channel_reconnect_ext_input_ports(Channel* ch)

Called when the input has changed for Midi, Instrument or Audio tracks.

void channel_reattach_midi_editor_manual_press_port(Channel* channel, int connect, const int recalc_graph)

Connects or disconnects the MIDI editor key press port to the channel's first plugin.

auto channel_get_automation_track(Channel* channel, PortFlags type) -> AutomationTrack*

Convenience function to get the automation track of the given type for the channel.

void channel_remove_plugin(Channel* channel, PluginSlotType slot_type, int slot, bool moving_plugin, bool deleting_plugin, bool deleting_channel, bool recalc_graph)

Removes a plugin at pos from the channel.

void channel_update_track_pos(Channel* self, int pos)

Updates the track position in the channel and all related ports and identifiers.

auto channel_get_mono_compat_enabled(Channel* self) -> bool

Gets whether mono compatibility is enabled.

void channel_set_mono_compat_enabled(Channel* self, bool enabled, bool fire_events)

Sets whether mono compatibility is enabled.

auto channel_clone(Channel* ch, Track* track, bool src_is_project) -> Channel*

Clones the channel recursively.

void channel_disconnect(Channel* channel, bool remove_pl)

Disconnects the channel from the processing chain.

void channel_free(Channel* channel)

Frees the channel.

void channel_send_init(ChannelSend* self, int track_pos, int slot)

Inits a channel send.

auto channel_send_get_track(ChannelSend* self) -> Track*

Gets the owner track.

auto channel_send_get_target_track(ChannelSend* self) -> Track*

Gets the target track.

auto channel_send_get_amount_for_widgets(ChannelSend* self) -> float

Gets the amount to be used in widgets (0.0-1.0).

void channel_send_set_amount_from_widget(ChannelSend* self, float val)

Sets the amount from a widget amount (0.0-1.0).

void channel_send_connect_stereo(ChannelSend* self, StereoPorts* stereo, Port* l, Port* r)

Connects a send to stereo ports.

void channel_send_connect_midi(ChannelSend* self, Port* port)

Connects a send to a midi port.

void channel_send_disconnect(ChannelSend* self)

Removes the connection at the given send.

void channel_send_get_dest_name(ChannelSend* self, char* buf)

Get the name of the destination.

auto channel_send_find(ChannelSend* self) -> ChannelSend*

Finds the project send from a given send instance.

auto chord_descriptor_new(MusicalNote root, int has_bass, MusicalNote bass, ChordType type, ChordAccent accent, int inversion) -> ChordDescriptor*

Creates a ChordDescriptor.

auto chord_descriptor_is_key_in_chord(ChordDescriptor* chord, MusicalNote key) -> int

Returns if the given key is in the chord represented by the given ChordDescriptor.

auto chord_descriptor_clone(ChordDescriptor* src) -> ChordDescriptor*

Clones the given ChordDescriptor.

auto chord_descriptor_chord_type_to_string(ChordType type) -> const char*

Returns the chord type as a string (eg.

auto chord_descriptor_chord_accent_to_string(ChordAccent accent) -> const char*

Returns the chord accent as a string (eg.

auto chord_descriptor_note_to_string(MusicalNote note) -> const char*

Returns the musical note as a string (eg.

auto chord_descriptor_to_new_string(const ChordDescriptor* chord) -> char*

Returns the chord in human readable string.

void chord_descriptor_to_string(const ChordDescriptor* chord, char* str)

Returns the chord in human readable string.

void chord_descriptor_update_notes(ChordDescriptor* self)

Updates the notes array based on the current settings.

void chord_descriptor_free(ChordDescriptor* self)

Frees the ChordDescriptor.

auto chord_object_new(RegionIdentifier* region_id, int chord_index, int index) -> ChordObject*

Creates a ChordObject.

void chord_object_set_region_and_index(ChordObject* self, ZRegion* region, int idx)

Sets the region and index of the chord.

auto chord_object_get_chord_descriptor(ChordObject* self) -> ChordDescriptor*

Returns the ChordDescriptor associated with this ChordObject.

auto chord_object_find_by_pos(ChordObject* clone) -> ChordObject*

Finds the ChordObject in the project corresponding to the given one's position.

auto chord_region_new(const Position* start_pos, const Position* end_pos, int idx) -> ZRegion*

Creates a new ZRegion for chords.

void chord_region_add_chord_object(ZRegion* self, ChordObject* chord, bool fire_events)

Adds a ChordObject to the Region.

void chord_region_remove_chord_object(ZRegion* self, ChordObject* chord, int free, bool fire_events)

Removes a ChordObject from the Region.

void chord_region_free_members(ZRegion* self)

Frees members only but not the ZRegion itself.

auto chord_track_new(int track_pos) -> ChordTrack*

Creates a new chord Track.

void chord_track_init(Track* track)

Inits a chord track (e.g.

void chord_track_insert_chord_region(ChordTrack* track, ZRegion* region, int idx)

Inserts a chord region to the Track at the given index.

void chord_track_add_scale(ChordTrack* track, ScaleObject* chord)

Adds a ChordObject to the Track.

void chord_track_remove_scale(ChordTrack* self, ScaleObject* scale, bool free)

Removes a scale from the chord Track.

void chord_track_remove_region(ChordTrack* self, ZRegion* region)

Removes a region from the chord track.

auto chord_track_get_chord_at_pos(const Track* ct, const Position* pos) -> ChordObject*

Returns the ChordObject at the given Position in the TimelineArranger.

auto chord_track_get_scale_at_pos(const Track* ct, const Position* pos) -> ScaleObject*

Returns the ScaleObject at the given Position in the TimelineArranger.

void chord_track_clear(ChordTrack* self)

Removes all objects from the chord track.

void audio_clip_init_loaded(AudioClip* self)

Inits after loading a Project.

auto audio_clip_new_from_file(const char* full_path) -> AudioClip*

Creates an audio clip from a file.

auto audio_clip_new_from_float_array(const float* arr, const long nframes, const channels_t channels, const char* name) -> AudioClip*

Creates an audio clip by copying the given float array.

auto audio_clip_new_recording(const channels_t channels, const long nframes, const char* name) -> AudioClip*

Create an audio clip while recording.

void audio_clip_update_channel_caches(AudioClip* self, size_t start_from)

Updates the channel caches.

auto audio_clip_write_to_file(AudioClip* self, const char* filepath, bool parts) -> int

Writes the given audio clip data to a file.

void audio_clip_write_to_pool(AudioClip* self, bool parts)

Writes the clip to the pool as a wav file.

auto audio_clip_is_in_use(AudioClip* self) -> bool

Returns whether the clip is used inside the project (in actual project regions only, not in undo stack).

void audio_clip_remove_and_free(AudioClip* self)

To be called by audio_pool_remove_clip().

void audio_clip_free(AudioClip* self)

Frees the audio clip.

auto control_port_normalized_val_to_real(Port* self, float normalized_val) -> float

Converts normalized value (0.0 to 1.0) to real value (eg.

auto control_port_real_val_to_normalized(Port* self, float real_val) -> float

Converts real value (eg.

auto control_port_is_toggled(Port* self) -> bool

Returns if the control port is toggled.

auto control_port_is_val_toggled(float val) -> bool

Checks if the given value is toggled.

auto control_port_get_int(Port* self) -> int

Gets the control value for an integer port.

auto control_port_get_int_from_val(float val) -> int

Gets the control value for an integer port.

auto control_port_get_snapped_val(Port* self) -> float

Returns the snapped value (eg, if toggle, returns 0.f or 1.f).

auto control_port_get_snapped_val_from_val(Port* self, float val) -> float

Returns the snapped value (eg, if toggle, returns 0.f or 1.f).

auto control_port_get_val(Port* self) -> float

Get the current real value of the control.

void control_port_set_val_from_normalized(Port* self, float val, bool automating)

Updates the actual value.

void control_room_init_loaded(ControlRoom* self)

Inits the control room from a project.

auto control_room_new(void) -> ControlRoom*

Creates a new control room.

void control_room_set_dim_output(ControlRoom* self, int dim_output)

Sets dim_output to on/off and notifies interested parties.

void curve_algorithm_get_localized_name(CurveAlgorithm algo, char* buf)

Stores the localized name of the algorithm in buf.

auto curve_get_normalized_y(double x, CurveOptions* opts, int start_higher) -> double

Returns the Y value on a curve spcified by algo.

auto audio_encoder_new_from_file(const char* filepath) -> AudioEncoder*

Creates a new instance of an AudioEncoder from the given file, that can be used for encoding.

void audio_encoder_decode(AudioEncoder* self, int samplerate, bool show_progress)

Decodes the information in the AudioEncoder instance and stores the results there.

void audio_encoder_free(AudioEncoder* self)

Free's the AudioEncoder and its members.

auto engine_new(Project* project) -> AudioEngine*

Create a new audio engine.

void engine_pre_setup(AudioEngine* self)

Sets up the audio engine before the project is initialized/loaded.

void engine_setup(AudioEngine* self)

Sets up the audio engine after the project is initialized/loaded.

void engine_activate(AudioEngine* self, bool activate)

Activates the audio engine to start processing and receiving events.

void engine_update_frames_per_tick(AudioEngine* self, const int beats_per_bar, const float bpm, const sample_rate_t sample_rate)

Updates frames per tick based on the time sig, the BPM, and the sample rate.

void engine_process_prepare(AudioEngine* self, nframes_t nframes)

To be called by each implementation to prepare the structures before processing.

auto engine_process(AudioEngine* self, nframes_t nframes) -> int

Processes current cycle.

void engine_post_process(AudioEngine* self, const nframes_t nframes)

To be called after processing for common logic.

void engine_fill_out_bufs(AudioEngine* self, const nframes_t nframes)

Called to fill in the external buffers at the end of the processing cycle.

auto engine_buffer_size_enum_to_int(AudioEngineBufferSize buffer_size) -> int

Returns the int value correesponding to the given AudioEngineBufferSize.

auto engine_samplerate_enum_to_int(AudioEngineSamplerate samplerate) -> int

Returns the int value correesponding to the given AudioEngineSamplerate.

auto engine_audio_backend_to_string(AudioBackend backend) -> const char*

Returns the audio backend as a string.

static auto engine_midi_backend_to_string(MidiBackend backend) -> const char*

Returns the MIDI backend as a string.

void engine_reset_bounce_mode(AudioEngine* self)

Reset the bounce mode on the engine, all tracks and regions to OFF.

void engine_free(AudioEngine* self)

Closes any connections and free's data.

auto export_settings_default(void) -> ExportSettings*

Returns an instance of default ExportSettings.

void export_settings_set_bounce_defaults(ExportSettings* self, const char* filepath, const char* bounce_name)

Sets the defaults for bouncing.

auto exporter_generic_export_thread(ExportSettings* info) -> void*

Generic export thread to be used for simple exporting.

void exporter_create_audio_track_after_bounce(ExportSettings* settings, const Position* pos)

To be called to create and perform an undoable action for creating an audio track with the bounced material.

auto exporter_stringize_audio_format(AudioFormat format) -> char*

Returns the audio format as string.

auto exporter_export(ExportSettings* info) -> int

Exports an audio file based on the given settings.

void ext_port_init_loaded(ExtPort* ext_port)

Inits the ExtPort after loading a project.

void ext_port_print(ExtPort* self)

Prints the port info.

auto ext_port_matches_backend(ExtPort* self) -> bool

Returns if the ext port matches the current backend.

auto ext_port_get_id(ExtPort* ext_port) -> char*

Returns a unique identifier (full name prefixed with backend type).

auto ext_port_get_buffer(ExtPort* ext_port, nframes_t nframes) -> float*

Returns the buffer of the external port.

void ext_port_clear_buffer(ExtPort* ext_port, nframes_t nframes)

Clears the buffer of the external port.

void ext_port_connect(ExtPort* ext_port, Port* port, int src)

Exposes the given Port if not exposed and makes the connection from the Port to the ExtPort (eg in JACK) or backwards.

void ext_port_disconnect(ExtPort* ext_port, Port* port, int src)

Disconnects the Port from the ExtPort.

void ext_port_activate(ExtPort* self, Port* port, bool activate)

Activates the port (starts receiving data) or deactivates it.

auto ext_port_get_enabled(ExtPort* self) -> bool

Checks in the GSettings whether this port is marked as enabled by the user.

void ext_ports_get(PortType type, PortFlow flow, bool hw, ExtPort** ports, int* size)

Collects external ports of the given type.

auto ext_port_clone(ExtPort* ext_port) -> ExtPort*

Creates a shallow clone of the port.

void ext_ports_free(ExtPort** ext_port, int size)

Frees an array of ExtPort pointers.

void ext_port_free(ExtPort* ext_port)

Frees the ext_port.

auto fade_get_y_normalized(double x, CurveOptions* opts, int fade_in) -> double

Gets the normalized Y for a normalized X.

void fader_init_loaded(Fader* self, bool is_project)

Inits fader after a project is loaded.

auto fader_new(FaderType type, Channel* ch, bool passthrough) -> Fader*

Creates a new fader.

void fader_set_amp(void* self, float amp)

Sets the amplitude of the fader.

void fader_add_amp(void* self, float amp)

Adds (or subtracts if negative) to the amplitude of the fader (clamped at 0.0 to 2.0).

void fader_set_muted(Fader* self, bool mute, bool trigger_undo, bool fire_events)

Sets track muted and optionally adds the action to the undo stack.

auto fader_get_muted(Fader* self) -> bool

Returns if the fader is muted.

auto fader_get_soloed(Fader* self) -> bool

Returns if the track is soloed.

auto fader_get_implied_soloed(Fader* self) -> bool

Returns whether the fader is not soloed on its own but its direct out (or its direct out's direct out, etc.) is soloed.

void fader_set_soloed(Fader* self, bool solo, bool trigger_undo, bool fire_events)

Sets track soloed and optionally adds the action to the undo stack.

auto fader_get_amp(void* self) -> float

Gets the fader amplitude (not db) FIXME is void * necessary? do it in the caller.

auto fader_get_mono_compat_enabled(Fader* self) -> bool

Gets whether mono compatibility is enabled.

void fader_set_mono_compat_enabled(Fader* self, bool enabled, bool fire_events)

Sets whether mono compatibility is enabled.

void fader_clear_buffers(Fader* self)

Clears all buffers.

void fader_set_fader_val(Fader* self, float fader_val)

Sets the fader levels from a normalized value 0.0-1.0 (such as in widgets).

void fader_disconnect_all(Fader* self)

Disconnects all ports connected to the fader.

void fader_copy_values(Fader* src, Fader* dest)

Copy the fader values from source to dest.

void fader_process(Fader* self, long g_start_frames, nframes_t start_frame, const nframes_t nframes)

Process the Fader.

void fader_update_track_pos(Fader* self, int pos)

Updates the track pos of the fader.

void fader_free(Fader* self)

Frees the fader members.

auto graph_create_node(Graph* graph, GraphNodeType type, void* data) -> GraphNode*

Creates a new node, adds it to the graph and returns it.

auto graph_get_max_route_playback_latency(Graph* graph, bool use_setup_nodes) -> nframes_t

Returns the max playback latency of the trigger nodes.

auto graph_validate_with_connection(Graph* self, const Port* src, const Port* dest) -> bool

Adds a new connection for the given src and dest ports and validates the graph.

auto graph_start(Graph* graph) -> int

Starts as many threads as there are cores.

auto graph_new(Router* router) -> Graph*

Returns a new graph.

void graph_terminate(Graph* self)

Tell all threads to terminate.

void graph_free(Graph* self)

Frees the graph and its members.

void graph_export_as(Graph* graph, GraphExportType type, const char* path)

Exports the graph at the given path.

auto graph_node_get_name(GraphNode* node) -> char*

Returns a human friendly name of the node.

void graph_node_process(GraphNode* node, nframes_t nframes)

Processes the GraphNode.

auto graph_node_get_single_playback_latency(GraphNode* node) -> nframes_t

Returns the latency of only the given port, without adding the previous/next latencies.

void graph_node_set_route_playback_latency(GraphNode* node, nframes_t dest_latency)

Sets the playback latency of the given node recursively.

void graph_node_trigger(GraphNode* self)

Called by an upstream node when it has completed processing.

auto graph_thread_new(const int id, const bool is_main, Graph* graph) -> GraphThread*

Creates a thread.

auto hardware_processor_new(bool input) -> HardwareProcessor*

Returns a new empty instance.

auto hardware_processor_rescan_ext_ports(HardwareProcessor* self) -> bool

Rescans the hardware ports and appends any missing ones.

auto hardware_processor_find_ext_port(HardwareProcessor* self, const char* id) -> ExtPort*

Finds an ext port from its ID (type + full name).

auto hardware_processor_find_port(HardwareProcessor* self, const char* id) -> Port*

Finds a port from its ID (type + full name).

auto hardware_processor_setup(HardwareProcessor* self) -> int

Sets up the ports but does not start them.

void hardware_processor_activate(HardwareProcessor* self, bool activate)

Starts or stops the ports.

auto hardware_processor_process(HardwareProcessor* self, nframes_t nframes) -> REALTIME void

Processes the data.

void instrument_track_init(Track* track)

Initializes an instrument track.

auto instrument_track_is_plugin_visible(Track* self) -> int

Returns if the first plugin's UI in the instrument track is visible.

void instrument_track_toggle_plugin_visible(Track* self)

Toggles whether the first plugin's UI in the instrument Track is visible.

auto marker_new(const char* name) -> Marker*

Creates a Marker.

auto marker_is_equal(Marker* a, Marker* b) -> int

Returns if the two Marker's are equal.

void marker_set_track(Marker* marker, Track* track)

Sets the Track of the Marker.

auto marker_track_default(int track_pos) -> MarkerTrack*

Creates the default marker track.

void marker_track_init(Track* track)

Inits the marker track.

void marker_track_add_marker(MarkerTrack* self, Marker* marker)

Adds a Marker to the Track.

void marker_track_clear(MarkerTrack* self)

Removes all objects from the marker track.

void marker_track_remove_marker(MarkerTrack* self, Marker* marker, int free)

Removes a marker, optionally freeing it.

auto marker_track_get_start_marker(const Track* track) -> Marker*

Returns the start marker.

auto marker_track_get_end_marker(const Track* track) -> Marker*

Returns the end marker.

void meter_get_value(Meter* self, AudioValueFormat format, float* val, float* max)

Get the current meter value.

auto metronome_new(void) -> Metronome*

Initializes the Metronome by loading the samples into memory.

void metronome_queue_events(AudioEngine* self, const nframes_t loffset, const nframes_t nframes)

Queues metronome events (if any) within the current processing cycle.

auto midi_combine_bytes_to_int(midi_byte_t lsb, midi_byte_t msb) -> int

Used for MIDI controls whose values are split between MSB/LSB.

void midi_get_bytes_from_int(int val, midi_byte_t* lsb, midi_byte_t* msb)

Used for MIDI controls whose values are split between MSB/LSB.

auto midi_ctrl_change_get_ch_and_description(midi_byte_t* ctrl_change, char* buf) -> int

Saves a string representation of the given control change event in the given buffer.

void midi_panic_all(int queued)

Queues MIDI note off to event queues.

auto midi_get_msg_length(uint8_t status_byte) -> int

Returns the length of the MIDI message based on the status byte.

void midi_events_init(MidiEvents* self)

Inits the MidiEvents struct.

auto midi_events_new(Port* port) -> MidiEvents*

Allocates and inits a MidiEvents struct.

static void midi_event_copy(MidiEvent* src, MidiEvent* dest)

Copies the members from one MidiEvent to another.

void midi_events_sort_by_time(MidiEvents* self)

Sorts the MIDI events by time ascendingly.

void midi_events_append(MidiEvents* src, MidiEvents* dest, const nframes_t start_frame, const nframes_t nframes, bool queued)

Appends the events from src to dest.

void midi_events_append_w_filter(MidiEvents* src, MidiEvents* dest, int* channels, const nframes_t start_frame, const nframes_t nframes, bool queued)

Appends the events from src to dest.

void midi_events_add_note_on(MidiEvents* self, midi_byte_t channel, midi_byte_t note_pitch, midi_byte_t velocity, midi_time_t time, int queued)

Adds a note on event to the given MidiEvents.

void midi_events_add_note_ons_from_chord_descr(MidiEvents* self, ChordDescriptor* descr, midi_byte_t channel, midi_byte_t velocity, midi_byte_t time, bool queued)

Adds a note on for each note in the chord.

void midi_events_add_note_offs_from_chord_descr(MidiEvents* self, ChordDescriptor* descr, midi_byte_t channel, midi_byte_t time, bool queued)

Adds a note off for each note in the chord.

auto midi_events_has_note_on(MidiEvents* self, int check_main, int check_queued) -> int

Returrns if the MidiEvents have any note on events.

void midi_events_add_event_from_buf(MidiEvents* self, midi_time_t time, midi_byte_t* buf, int buf_size, int queued)

Parses a MidiEvent from a raw MIDI buffer.

void midi_events_add_note_off(MidiEvents* self, midi_byte_t channel, midi_byte_t note_pitch, uint32_t time, int queued)

Adds a note off event to the given MidiEvents.

void midi_events_add_control_change(MidiEvents* self, midi_byte_t channel, midi_byte_t controller, midi_byte_t control, uint32_t time, int queued)

Adds a control event to the given MidiEvents.

void midi_events_add_pitchbend(MidiEvents* self, midi_byte_t channel, int pitchbend, midi_time_t time, int queued)

Adds a control event to the given MidiEvents.

void midi_events_panic(MidiEvents* self, int queued)

Queues MIDI note off to event queue.

void midi_events_clear(MidiEvents* midi_events, int queued)

Clears midi events.

void midi_events_clear_duplicates(MidiEvents* midi_events, const int queued)

Clears duplicates.

void midi_events_dequeue(MidiEvents* midi_events)

Copies the queue contents to the original struct.

auto midi_events_check_for_note_on(MidiEvents* midi_events, int note, int queued) -> int

Returns if a note on event for the given note exists in the given events.

auto midi_events_delete_note_on(MidiEvents* midi_events, int note, int queued) -> int

Deletes the midi event with a note on signal from the queue, and returns if it deleted or not.

void midi_events_sort(MidiEvents* self, const int queued)

Sorts the MidiEvents by time.

void midi_events_set_channel(MidiEvents* self, const int queued, const midi_byte_t channel)

Sets the given MIDI channel on all applicable MIDI events.

void midi_events_free(MidiEvents* self)

Frees the MIDI events.

auto midi_file_get_num_tracks(const char* abs_path) -> int

Returns the number of tracks in the MIDI file.

void midi_function_apply(ArrangerSelections* sel, MidiFunctionType type)

Applies the given action to the given selections.

void midi_mappings_init_loaded(MidiMappings* self)

Initializes the MidiMappings after a Project is loaded.

auto midi_mappings_new(void) -> MidiMappings*

Returns a newly allocated MidiMappings.

void midi_mappings_bind_at(MidiMappings* self, midi_byte_t* buf, ExtPort* device_port, Port* dest_port, int idx, bool fire_events)

Binds the CC represented by the given raw buffer (must be size 3) to the given Port.

void midi_mappings_unbind(MidiMappings* self, int idx, bool fire_events)

Unbinds the given binding.

void midi_mappings_apply(MidiMappings* self, midi_byte_t* buf)

Applies the given buffer to the matching ports.

auto midi_mappings_get_for_port(MidiMappings* self, Port* dest_port, int* size) -> MidiMapping**

Get MIDI mappings for the given port.

void midi_note_get_global_start_pos(MidiNote* self, Position* pos)

Gets the global Position of the MidiNote's start_pos.

auto midi_note_new(RegionIdentifier* region_id, Position* start_pos, Position* end_pos, uint8_t val, uint8_t vel) -> MidiNote*

Creates a new MidiNote.

void midi_note_set_region_and_index(MidiNote* self, ZRegion* region, int idx)

Sets the region the MidiNote belongs to.

auto midi_note_is_equal(MidiNote* src, MidiNote* dest) -> int

Returns 1 if the MidiNotes match, 0 if not.

void midi_note_get_val_as_string(MidiNote* self, char* buf, const int use_markup)

Gets the MIDI note's value as a string (eg "C#4").

void midi_note_print(MidiNote* mn)

For debugging.

void midi_note_listen(MidiNote* mn, int listen)

Listen to the given MidiNote.

void midi_note_shift_pitch(MidiNote* self, const int delta)

Shifts MidiNote's position and/or value.

auto midi_note_hit(MidiNote* midi_note, const long gframes) -> int

Returns if the MIDI note is hit at given pos (in the timeline).

void midi_note_notes_to_events(MidiNote** midi_notes, int num_notes, Position* pos, MidiEvents* events)

Converts an array of MIDI notes to MidiEvents.

void midi_note_set_val(MidiNote* midi_note, const uint8_t val)

Sends a note off if currently playing and sets the pitch of the MidiNote.

auto midi_region_new(const Position* start_pos, const Position* end_pos, int track_pos, int lane_pos, int idx_inside_lane) -> ZRegion*

Creates a new ZRegion for MIDI notes.

auto midi_region_new_from_midi_file(const Position* start_pos, const char* abs_path, int track_pos, int lane_pos, int idx_inside_lane, int idx) -> ZRegion*

Creates a MIDI region from the given MIDI file path, starting at the given Position.

auto midi_region_new_from_chord_descr(const Position* pos, ChordDescriptor* descr, int track_pos, int lane_pos, int idx_inside_lane) -> ZRegion*

Create a region from the chord descriptor.

void midi_region_insert_midi_note(ZRegion* region, MidiNote* midi_note, int idx, int pub_events)

Inserts the MidiNote to the given ZRegion.

void midi_region_start_unended_note(ZRegion* self, Position* start_pos, Position* end_pos, int pitch, int vel, int pub_events)

Starts an unended note with the given pitch and velocity and adds it to ZRegion::midi_notes.

auto midi_region_pop_unended_note(ZRegion* self, int pitch) -> MidiNote*

Returns the midi note with the given pitch from the unended notes.

void midi_region_print_midi_notes(ZRegion* self)

Prints the MidiNotes in the Region.

auto midi_region_get_first_midi_note(ZRegion* region) -> MidiNote*

Gets first midi note.

auto midi_region_get_last_midi_note(ZRegion* region) -> MidiNote*

Gets last midi note.

auto midi_region_get_highest_midi_note(ZRegion* region) -> MidiNote*

Gets highest midi note.

auto midi_region_get_lowest_midi_note(ZRegion* region) -> MidiNote*

Gets lowest midi note.

void midi_region_remove_midi_note(ZRegion* region, MidiNote* midi_note, int free, int pub_event)

Removes the MIDI note from the Region.

void midi_region_remove_all_midi_notes(ZRegion* region)

Removes all MIDI ntoes and their components completely.

void midi_region_write_to_midi_file(ZRegion* self, MIDI_FILE* mf, const int add_region_start, bool export_full, bool use_track_pos)

Returns the midi note at given position with the given pitch.

void midi_region_export_to_midi_file(ZRegion* self, const char* full_path, int midi_version, const int export_full)

Exports the ZRegion to a specified MIDI file.

auto midi_region_get_midi_ch(const ZRegion* self) -> uint8_t

Returns the MIDI channel that this region should be played on, starting from 1.

auto midi_region_get_as_events(ZRegion* self, const int add_region_start, const int full) -> MidiEvents*

Returns a newly initialized MidiEvents with the contents of the region converted into events.

void midi_region_free_members(ZRegion* self)

Frees members only but not the midi region itself.

void midi_track_init(Track* track)

Initializes an midi track.

auto midi_track_fill_midi_events(Track* track, const long g_start_frames, const nframes_t local_start_frame, nframes_t nframes, MidiEvents* midi_events) -> REALTIME void

Fills MIDI event queue from track.

void midi_track_free(Track* track)

Frees the track.

void modulator_macro_processor_process(ModulatorMacroProcessor* self, long g_start_frames, nframes_t start_frame, const nframes_t nframes)

Process.

void modulator_track_insert_modulator(Track* self, int slot, Plugin* modulator, bool replace_mode, bool confirm, bool gen_automatables, bool recalc_graph, bool pub_events)

Inserts and connects a Modulator to the Track.

void modulator_track_remove_modulator(Track* self, int slot, bool replacing, bool deleting_modulator, bool deleting_track, bool recalc_graph)

Removes a plugin at pos from the track.

auto modulator_track_default(int track_pos) -> Track*

Creates the default modulator track.

void modulator_track_init(Track* track)

Inits the modulator track.

void audio_pool_init_loaded(AudioPool* self)

Inits after loading a project.

auto audio_pool_new(void) -> AudioPool*

Creates a new audio pool.

auto audio_pool_add_clip(AudioPool* self, AudioClip* clip) -> int

Adds an audio clip to the pool.

auto audio_pool_duplicate_clip(AudioPool* self, int clip_id, bool write_file) -> int

Duplicates the clip with the given ID and returns the duplicate.

auto audio_pool_get_clip(AudioPool* self, int clip_id) -> AudioClip*

Returns the clip for the given ID.

void audio_pool_remove_clip(AudioPool* self, int clip_id, bool free_and_remove_file)

Removes the clip with the given ID from the pool and optionally frees it (and removes the file).

void audio_pool_ensure_unique_clip_name(AudioPool* pool, AudioClip* clip)

Ensures that the name of the clip is unique.

auto audio_pool_gen_name_for_recording_clip(AudioPool* pool, Track* track, int lane) -> char*

Generates a name for a recording clip.

void audio_pool_reload_clip_frame_bufs(AudioPool* self)

Loads the frame buffers of clips currently in use in the project from their files and frees the buffers of clips not currently in use.

void port_init_loaded(Port* self, bool is_project)

This function finds the Ports corresponding to the PortIdentifiers for srcs and dests.

auto port_new_with_type(PortType type, PortFlow flow, const char* label) -> Port*

Creates port.

auto stereo_ports_new_from_existing(Port* l, Port* r) -> StereoPorts*

Creates blank stereo ports.

auto stereo_ports_new_generic(int in, const char* name, PortOwnerType owner_type, void* owner) -> StereoPorts*

Creates stereo ports for generic use.

void stereo_ports_connect(StereoPorts* src, StereoPorts* dest, int locked)

Connects the internal ports using port_connect().

void port_get_full_designation(Port* self, char* buf)

Copies a full designation of self in the format "Track/Port" or "Track/Plugin/Port" in buf.

void port_get_all(Port*** ports, int* max_size, bool is_dynamic, int* size)

Gathers all ports in the project and puts them in the given array and size.

void port_update_identifier(Port* self, Track* track)

To be called when the port's identifier changes to update corresponding identifiers.

static auto port_get_dest_index(Port* self, Port* dest) -> int

Returns the index of the destination in the dest array.

static auto port_get_src_index(Port* self, Port* src) -> int

Returns the index of the source in the source array.

static void port_set_multiplier_by_index(Port* port, int idx, float val)

Set the multiplier for a destination by its index in the dest array.

static void port_set_src_multiplier_by_index(Port* port, int idx, float val)

Set the multiplier for a destination by its index in the dest array.

static auto port_get_multiplier_by_index(Port* port, int idx) -> float

Get the multiplier for a destination by its index in the dest array.

void port_disconnect_hw_inputs(Port* self)

Disconnects all hardware inputs from the port.

void port_free(Port* port)

Deletes port, doing required cleanup and updating counters.

void port_set_expose_to_backend(Port* self, int expose)

Sets whether to expose the port to the backend and exposes it or removes it.

auto port_is_exposed_to_backend(const Port* self) -> int

Returns if the port is exposed to the backend.

void port_rename_backend(Port* self)

Renames the port on the backend side.

void port_set_control_value(Port* self, const float val, const bool is_normalized, const bool forward_event)

Sets the given control value to the corresponding underlying structure in the Port.

auto port_get_control_value(Port* self, const bool normalize) -> float

Gets the given control value from the corresponding underlying structure in the Port.

auto port_connect(Port* src, Port* dest, const int locked) -> int

Connets src to dest.

auto port_disconnect(Port* src, Port* dest) -> int

Disconnects src from dest.

static auto port_disconnect_dests(Port* src) -> int

Disconnects dests of port.

auto port_get_num_unlocked_srcs(Port* port) -> int

Returns the number of unlocked (user-editable) sources.

auto port_get_num_unlocked_dests(Port* port) -> int

Returns the number of unlocked (user-editable) destinations.

void port_update_track_pos(Port* port, Track* track, int pos)

Updates the track pos on a track port and all its source/destination identifiers.

static void port_apply_fader(Port* port, float amp, nframes_t start_frame, const nframes_t nframes)

Apply given fader value to port.

void port_process(Port* port, const long g_start_frames, const nframes_t start_frame, const nframes_t nframes, const bool noroll)

First sets port buf to 0, then sums the given port signal from its inputs.

void port_set_owner_track(Port* port, Track* track)

Sets the owner track & its ID.

void port_set_owner_track_from_channel(Port* port, Channel* ch)

Sets the owner track & its ID.

void port_set_owner_track_processor(Port* port, TrackProcessor* track_processor)

Sets the owner track & its ID.

void port_set_owner_sample_processor(Port* port, SampleProcessor* sample_processor)

Sets the owner sample processor.

void port_set_owner_fader(Port* port, Fader* fader)

Sets the owner fader & its ID.

void port_set_owner_plugin(Port* port, Plugin* pl)

Sets the owner plugin & its ID.

auto port_is_connection_locked(Port* src, Port* dest) -> int

Returns if the connection from src to dest is locked or not.

auto ports_connected(Port* src, Port* dest) -> bool

Returns if the two ports are connected or not.

auto ports_can_be_connected(const Port* src, const Port* dest) -> bool

Returns whether the Port's can be connected (if the connection will be valid and won't break the acyclicity of the graph).

void ports_disconnect(Port** ports, int num_ports, int deleting)

Disconnects all the given ports.

auto ports_remove(Port** ports, int* num_ports) -> int

Removes all the given ports from the project, optionally freeing them.

void port_print_connections_all(void)

Prints all connections.

void port_clear_buffer(Port* port)

Clears the port buffer.

auto port_disconnect_all(Port* port) -> int

Disconnects all srcs and dests from port.

void port_verify_src_and_dests(Port* self)

Verifies that the srcs and dests are correct for project ports.

void port_apply_pan_stereo(Port* l, Port* r, float pan, PanLaw pan_law, PanAlgorithm pan_algo)

Applies the pan to the given L/R ports.

void port_apply_pan(Port* port, float pan, PanLaw pan_law, PanAlgorithm pan_algo, nframes_t start_frame, const nframes_t nframes)

Applies the pan to the given port.

void port_identifier_copy(PortIdentifier* dest, PortIdentifier* src)

Copy the identifier content from src to dest.

auto port_identifier_is_equal(PortIdentifier* src, PortIdentifier* dest) -> bool

Returns if the 2 PortIdentifier's are equal.

void position_set_to_bar(Position* position, int bar_no)

Sets position to given bar.

void position_set_tick(Position* position, double tick)

Sets the tick of the Position.

void position_sort_array(Position* array, const size_t size)

Sorts an array of Position's.

void position_add_frames(Position* pos, const long frames)

Adds the frames to the position and updates the rest of the fields, and makes sure the frames are still accurate.

auto position_to_frames(const Position* position) -> long

Converts position bars/beats/quarter beats/ticks to frames.

void position_from_seconds(Position* position, double secs)

Converts seconds to position and puts the result in the given Position.

auto position_to_ms(const Position* pos) -> long

Returns the Position in milliseconds.

void position_from_ticks(Position* pos, double ticks)

Sets position to the given total tick count.

void position_snap(Position* start_pos, Position* pos, Track* track, ZRegion* region, const SnapGrid* sg)

Snaps position using given options.

void position_set_min_size(const Position* start_pos, Position* end_pos, SnapGrid* snap)

Sets the end position to be 1 snap point away from the start pos.

void position_update_ticks_and_frames(Position* position)

Updates frames.

void position_get_midway_pos(Position* start_pos, Position* end_pos, Position* pos)

Calculates the midway point between the two Positions and sets it on pos.

auto position_get_ticks_diff(const Position* end_pos, const Position* start_pos, const SnapGrid* sg) -> double

Returns the difference in ticks between the two Position's, snapped based on the given SnapGrid (if any).

auto position_stringize_allocate(const Position* pos) -> char*

Creates a string in the form of "0.0.0.0" from the given position.

void position_stringize(const Position* pos, char* buf)

Creates a string in the form of "0.0.0.0" from the given position.

void position_print(const Position* pos)

Prints the Position in the "0.0.0.0" form.

auto position_get_total_bars(const Position* pos) -> int

Returns the total number of bars not including the current one.

auto position_get_total_beats(const Position* pos) -> int

Returns the total number of beats not including the current one.

void position_change_sign(Position* pos)

Changes the sign of the position.

void quantize_options_update_quantize_points(QuantizeOptions* self)

Updates snap points.

auto quantize_options_stringize(NoteLength note_length, NoteType note_type) -> char*

Returns the grid intensity as a human-readable string.

auto quantize_options_clone(const QuantizeOptions* src) -> QuantizeOptions*

Clones the QuantizeOptions.

auto quantize_options_quantize_position(QuantizeOptions* self, Position* pos) -> double

Quantizes the given Position using the given QuantizeOptions.

void quantize_options_free(QuantizeOptions* self)

Free's the QuantizeOptions.

void recording_manager_handle_recording(RecordingManager* self, TrackProcessor* track_processor, const long g_start_frames, const nframes_t local_offset, const nframes_t nframes)

Handles the recording logic inside the process cycle.

auto recording_manager_process_events(RecordingManager* self) -> int

GSourceFunc to be added using idle add.

auto recording_manager_new(void) -> RecordingManager*

Creates the event queue and starts the event loop.

void region_init(ZRegion* region, const Position* start_pos, const Position* end_pos, int track_pos, int lane_pos, int idx_inside_lane)

Only to be used by implementing structs.

auto region_find(RegionIdentifier* id) -> ZRegion*

Looks for the ZRegion matching the identifier.

void region_print(const ZRegion* region)

Print region info for debugging.

auto region_get_link_group(ZRegion* self) -> RegionLinkGroup*

Returns the region's link group.

void region_set_link_group(ZRegion* region, int group_idx, bool update_identifier)

Sets the link group to the region.

auto region_find_midi_note(ZRegion* r, MidiNote* _mn) -> MidiNote*

Returns the MidiNote matching the properties of the given MidiNote.

auto region_timeline_frames_to_local(ZRegion* region, const long timeline_frames, const int normalize) -> long

Converts frames on the timeline (global) to local frames (in the clip).

void region_set_lane(ZRegion* region, TrackLane* lane)

Sets the track lane.

void region_gen_name(ZRegion* region, const char* base_name, AutomationTrack* at, Track* track)

Generates a name for the ZRegion, either using the given AutomationTrack or Track, or appending to the given base name.

void region_stretch(ZRegion* self, double ratio)

Stretch the region's contents.

void region_update_identifier(ZRegion* self)

To be called every time the identifier changes to update the region's children.

void region_update_link_group(ZRegion* self)

Updates all other regions in the region link group, if any.

void region_move_to_lane(ZRegion* region, TrackLane* lane)

Moves the given ZRegion to the given TrackLane.

void region_move_to_track(ZRegion* region, Track* track)

Moves the ZRegion to the given Track, maintaining the selection status of the ZRegion and the TrackLane position.

auto region_type_has_lane(const RegionType type) -> int

Returns if the given ZRegion type can exist in TrackLane's.

void region_set_automation_track(ZRegion* region, AutomationTrack* at)

Sets the automation track.

auto region_get_automation_track(ZRegion* region) -> AutomationTrack*

Gets the AutomationTrack using the saved index.

void region_copy(ZRegion* src, ZRegion* dest)

Copies the data from src to dest.

auto region_is_hit(const ZRegion* region, const long gframes, const int inclusive) -> int

Returns if the position is inside the region or not.

auto region_is_hit_by_range(const ZRegion* region, const long gframes_start, const long gframes_end, const bool end_inclusive) -> int

Returns if any part of the ZRegion is inside the given range, inclusive.

auto region_at_position(Track* track, AutomationTrack* at, Position* pos) -> ZRegion*

Returns the region at the given position in the given Track.

auto region_generate_filename(ZRegion* region) -> char*

Generates the filename for this region.

void region_set_name(ZRegion* region, const char* name, bool fire_events)

Sets ZRegion name (without appending anything to it) to all associated regions.

auto region_is_recording(ZRegion* self) -> bool

Returns if this region is currently being recorded onto.

auto region_get_musical_mode(ZRegion* self) -> bool

Returns whether the region is effectively in musical mode.

void region_add_arranger_object(ZRegion* self, ArrangerObject* obj, bool fire_events)

Wrapper for adding an arranger object.

void region_unlink(ZRegion* region)

Removes the link group from the region, if any.

void region_remove_all_children(ZRegion* region)

Removes all children objects from the region.

void region_copy_children(ZRegion* dest, ZRegion* src)

Clones and copies all children from src to dest.

auto region_get_arranger_selections(ZRegion* self) -> ArrangerSelections*

Returns the ArrangerSelections based on the given region type.

auto region_sanity_check(ZRegion* self, bool is_project) -> bool

Sanity checking.

void region_disconnect(ZRegion* self)

Disconnects the region and anything using it.

void region_link_group_remove_region(RegionLinkGroup* self, ZRegion* region, bool autoremove_last_region_and_group, bool update_identifier)

Remove the region from the link group.

void region_link_group_update(RegionLinkGroup* self, ZRegion* region)

Updates all other regions in the link group.

void region_link_group_move(RegionLinkGroup* dest, RegionLinkGroup* src)

Moves the regions from src to dest.

auto region_link_group_manager_add_group(RegionLinkGroupManager* self) -> int

Adds a group and returns its index.

void region_link_group_manager_remove_group(RegionLinkGroupManager* self, int group_id)

Removes the group.

void router_recalc_graph(Router* self, bool soft)

Recalculates the process acyclic directed graph.

void router_start_cycle(Router* self, const nframes_t nsamples, const nframes_t local_offset, const Position* pos)

Starts a new cycle.

auto router_get_max_route_playback_latency(Router* router) -> nframes_t

Returns the max playback latency of the trigger nodes.

auto router_is_processing_thread(Router* router) -> bool

Returns if the current thread is a processing thread.

void sample_playback_init(SamplePlayback* self, sample_t** buf, long buf_size, channels_t channels, float vol, nframes_t start_offset)

Initializes a SamplePlayback with a sample to play back.

auto sample_processor_new(void) -> SampleProcessor*

Initializes a SamplePlayback with a sample to play back.

void sample_processor_prepare_process(SampleProcessor* self, const nframes_t nframes)

Clears the buffers.

void sample_processor_process(SampleProcessor* self, const nframes_t offset, const nframes_t nframes)

Process the samples for the given number of frames.

void sample_processor_remove_sample_playback(SampleProcessor* self, SamplePlayback* sp)

Removes a SamplePlayback from the array.

void sample_processor_queue_metronome(SampleProcessor* self, MetronomeType type, nframes_t offset)

Queues a metronomem tick at the given local offset.

void sample_processor_queue_sample_from_file(SampleProcessor* self, const char* path)

Adds a sample to play to the queue from a file path.

auto musical_scale_new(MusicalScaleType type, MusicalNote root) -> MusicalScale*

Creates new scale using type and root note.

auto musical_scale_clone(MusicalScale* src) -> MusicalScale*

Clones the scale.

auto musical_scale_to_string(MusicalScale* scale) -> char*

Prints the MusicalScale to a string.

void musical_scale_strcpy(MusicalScale* scale, char* buf)

Same as above but uses a buffer instead of allocating.

static auto musical_scale_is_equal(MusicalScale* a, MusicalScale* b) -> int

Returns 1 if the scales are equal.

auto musical_scale_is_chord_in_scale(MusicalScale* scale, ChordDescriptor* chord) -> int

Returns if all of the chord's notes are in the scale.

auto musical_scale_is_accent_in_scale(MusicalScale* scale, MusicalNote chord_root, ChordType type, ChordAccent chord_accent) -> int

Returns if the accent is in the scale.

auto musical_scale_is_key_in_scale(MusicalScale* scale, MusicalNote key) -> int

Returns if the given key is in the given MusicalScale.

auto musical_scale_as_string(MusicalScale* scale) -> char*

Returns the scale in human readable string.

void musical_scale_free(MusicalScale* scale)

Frees the MusicalScale.

auto scale_object_new(MusicalScale* descr, int is_main) -> ScaleObject*

Creates a ScaleObject.

void snap_grid_update_snap_points(SnapGrid* self, int max_bars)

Updates snap points.

auto snap_grid_get_snap_ticks(SnapGrid* self) -> int

Gets a snap point's length in ticks.

auto snap_grid_get_default_ticks(SnapGrid* self) -> int

Gets a the default length in ticks.

auto snap_grid_stringize(NoteLength note_length, NoteType note_type) -> char*

Returns the grid intensity as a human-readable string.

auto snap_grid_get_nearby_snap_point(SnapGrid* self, const Position* pos, const int return_prev) -> Position*

Returns the next or previous SnapGrid point.

auto stretcher_new_rubberband(unsigned int samplerate, unsigned int channels, double time_ratio, double pitch_ratio, bool realtime) -> Stretcher*

Create a new Stretcher using the rubberband backend.

auto stretcher_stretch(Stretcher* self, float* in_samples_l, float* in_samples_r, size_t in_samples_size, float* out_samples_l, float* out_samples_r, size_t out_samples_wanted) -> ssize_t

Perform stretching.

auto stretcher_get_latency(Stretcher* self) -> unsigned int

Get latency in number of samples.

auto stretcher_stretch_interleaved(Stretcher* self, float* in_samples, size_t in_samples_size, float** _out_samples) -> ssize_t

Perform stretching.

void stretcher_free(Stretcher* self)

Frees the resampler.

auto tempo_track_default(int track_pos) -> Track*

Creates the default tempo track.

void tempo_track_init(Track* track)

Inits the tempo track.

void tempo_track_clear(Track* self)

Removes all objects from the tempo track.

auto tempo_track_get_bpm_at_pos(Track* track, Position* pos) -> bpm_t

Returns the BPM at the given pos.

auto tempo_track_get_current_bpm(Track* self) -> bpm_t

Returns the current BPM.

void tempo_track_set_bpm(Track* self, bpm_t bpm, bpm_t start_bpm, bool temporary, bool fire_events)

Sets the BPM.

void track_init(Track* self, const int add_lane)

Inits the Track, optionally adding a single lane.

auto track_new(TrackType type, int pos, const char* label, const int with_lane) -> Track*

Creates a track with the given label and returns it.

auto track_clone(Track* track, bool src_is_project) -> Track*

Clones the track and returns the clone.

auto track_type_has_channel(TrackType type) -> bool

Returns if the given TrackType is a type of Track that has a Channel.

void track_set_muted(Track* track, bool mute, bool trigger_undo, bool fire_events)

Sets track muted and optionally adds the action to the undo stack.

auto track_get_full_visible_height(Track* self) -> int

Returns the full visible height (main height + height of all visible automation tracks + height of all visible lanes).

auto track_get_soloed(Track* self) -> bool

Returns if the track is soloed.

auto track_get_implied_soloed(Track* self) -> bool

Returns whether the track is not soloed on its own but its direct out (or its direct out's direct out, etc.) is soloed.

auto track_get_muted(Track* self) -> bool

Returns if the track is muted.

void track_set_recording(Track* track, bool recording, bool fire_events)

Sets recording and connects/disconnects the JACK ports.

void track_set_soloed(Track* track, bool solo, bool trigger_undo, bool fire_events)

Sets track soloed and optionally adds the action to the undo stack.

auto track_is_selected(Track* self) -> int

Returns if Track is in TracklistSelections.

void track_add_region(Track* track, ZRegion* region, AutomationTrack* at, int lane_pos, int gen_name, int fire_events)

Adds a ZRegion to the given lane or AutomationTrack of the track.

void track_insert_region(Track* track, ZRegion* region, AutomationTrack* at, int lane_pos, int idx, int gen_name, int fire_events)

Inserts a ZRegion to the given lane or AutomationTrack of the track, at the given index.

void track_write_to_midi_file(Track* self, MIDI_FILE* mf)

Writes the track to the given MIDI file.

void track_select(Track* self, int select, int exclusive, int fire_events)

Appends the Track to the selections.

void track_unselect_all(Track* self)

Unselects all arranger objects in the track.

void track_clear(Track* self)

Removes all objects recursively from the track.

void track_remove_region(Track* self, ZRegion* region, bool fire_events, bool free)

Only removes the region from the track.

auto track_verify_identifiers(Track* self) -> bool

Verifies the identifiers on a live Track (in the project, not a clone).

auto track_get_region_at_pos(const Track* track, const Position* pos) -> ZRegion*

Returns the region at the given position, or NULL.

auto track_get_last_region(Track* track) -> ZRegion*

Returns the last ZRegion in the track, or NULL.

void track_set_lanes_visible(Track* track, const int visible)

Set track lanes visible and fire events.

void track_set_automation_visible(Track* track, const bool visible)

Set automation visible and fire events.

auto track_type_can_host_region_type(const TrackType tt, const RegionType rt) -> int

Returns if the given TrackType can host the given RegionType.

static auto track_type_can_record(const TrackType type) -> int

Returns if the Track can record.

void track_generate_automation_tracks(Track* track)

Generates automatables for the track.

void track_setup(Track* track)

Wrapper.

auto track_get_automation_tracklist(Track* track) -> AutomationTracklist*

Returns the automation tracklist if the track type has one, or NULL if it doesn't (like chord tracks).

auto track_get_channel(Track* track) -> Channel*

Returns the channel of the track, if the track type has a channel, or NULL if it doesn't.

void track_set_pos(Track* track, int pos)

Updates position in the tracklist and also updates the information in the lanes.

auto track_has_piano_roll(const Track* track) -> int

Returns if the Track should have a piano roll.

static auto track_has_inputs(const Track* track) -> int

Returns if the Track should have an inputs selector.

void track_get_velocities_in_range(const Track* track, const Position* start_pos, const Position* end_pos, Velocity*** velocities, int* num_velocities, int* velocities_size, int inside)

Fills in the array with all the velocities in the project that are within or outside the range given.

auto track_get_name(Track* track) -> const char*

Getter for the track name.

void track_set_name_with_action(Track* track, const char* name)

Setter to be used by the UI to create an undoable action.

void track_set_name(Track* track, const char* _name, bool pub_events)

Setter for the track name.

auto track_get_from_name(const char* name) -> Track*

Returns the Track from the Project matching name.

static auto track_type_is_compatible_for_moving(const TrackType type1, const TrackType type2) -> int

Returns if regions in tracks from type1 can be moved to type2.

void track_update_frames(Track* track)

Updates the frames of each position in each child of the track recursively.

auto track_get_fader(Track* track, bool post_fader) -> Fader*

Returns the Fader (if applicable).

auto track_get_fader_type(const Track* track) -> FaderType

Returns the FaderType corresponding to the given Track.

auto track_type_get_prefader_type(TrackType type) -> FaderType

Returns the prefader type corresponding to the given Track.

void track_create_missing_lanes(Track* track, const int pos)

Creates missing TrackLane's until pos.

void track_remove_empty_last_lanes(Track* track)

Removes the empty last lanes of the Track (except the last one).

auto track_get_regions_in_range(Track* self, Position* p1, Position* p2, ZRegion** regions) -> int

Returns all the regions inside the given range, or all the regions if both p1 and p2 are NULL.

void track_set_comment(void* track, const char* comment)

Comment setter.

auto track_get_comment(void* track) -> const char*

Comment getter.

void track_set_color(Track* self, const GdkRGBA* color, bool undoable, bool fire_events)

Sets the track color.

void track_set_icon(Track* self, const char* icon_name, bool undoable, bool fire_events)

Sets the track icon.

void track_set_is_project(Track* self, bool is_project)

Recursively marks the track and children as project objects or not.

auto track_get_plugin_at_slot(Track* track, PluginSlotType slot_type, int slot) -> Plugin*

Returns the plugin at the given slot, if any.

void track_mark_for_bounce(Track* self, bool bounce, bool mark_regions, bool mark_children)

Marks the track for bouncing.

void track_append_all_ports(Track* self, Port*** ports, int* size, bool is_dynamic, int* max_size, bool include_plugins)

Appends all channel ports and optionally plugin ports to the array.

void track_freeze(Track* self, bool freeze)

Freezes or unfreezes the track.

void track_insert_plugin(Track* self, Plugin* pl, PluginSlotType slot_type, int slot, bool replacing_plugin, bool moving_plugin, bool confirm, bool gen_automatables, bool recalc_graph, bool fire_events)

Wrapper over channel_add_plugin() and modulator_track_insert_modulator().

void track_remove_plugin(Track* self, PluginSlotType slot_type, int slot, bool replacing_plugin, bool moving_plugin, bool deleting_plugin, bool deleting_track, bool recalc_graph)

Wrapper over channel_remove_plugin() and modulator_track_remove_modulator().

void track_disconnect(Track* self, bool remove_pl, bool recalc_graph)

Disconnects the track from the processing chain.

void track_free(Track* track)

Wrapper for each track type.

auto track_lane_new(Track* track, int pos) -> TrackLane*

Creates a new TrackLane at the given pos in the given Track.

void track_lane_insert_region(TrackLane* self, ZRegion* region, int idx)

Inserts a ZRegion to the given TrackLane at the given index.

void track_lane_add_region(TrackLane* self, ZRegion* region)

Adds a ZRegion to the given TrackLane.

void track_lane_remove_region(TrackLane* self, ZRegion* region)

Removes but does not free the region.

void track_lane_unselect_all(TrackLane* self)

Unselects all arranger objects.

void track_lane_clear(TrackLane* self)

Removes all objects recursively from the track lane.

void track_lane_update_frames(TrackLane* self)

Updates the frames of each position in each child of the track recursively.

void track_lane_set_track_pos(TrackLane* self, const int pos)

Sets the track position to the lane and all its members recursively.

auto track_lane_clone(TrackLane* lane) -> TrackLane*

Clones the TrackLane.

void track_lane_write_to_midi_file(TrackLane* self, MIDI_FILE* mf)

Writes the lane to the given MIDI file.

void track_lane_free(TrackLane* lane)

Frees the TrackLane.

void track_processor_init_loaded(TrackProcessor* self, bool is_project)

Inits a TrackProcessor after a project is loaded.

auto track_processor_new(Track* track) -> TrackProcessor*

Creates a new track processor for the given track.

void track_processor_copy_values(TrackProcessor* dest, TrackProcessor* src)

Copy port values from src to dest.

void track_processor_clear_buffers(TrackProcessor* self)

Clears all buffers.

void track_processor_disconnect_all(TrackProcessor* self)

Disconnects all ports connected to the TrackProcessor.

void track_processor_process(TrackProcessor* self, const long g_start_frames, const nframes_t local_offset, const nframes_t nframes)

Process the TrackProcessor.

void track_processor_disconnect_from_prefader(TrackProcessor* self)

Disconnect the TrackProcessor's stereo out ports from the prefader.

void track_processor_connect_to_prefader(TrackProcessor* self)

Connects the TrackProcessor's stereo out ports to the Channel's prefader in ports.

void track_processor_disconnect_from_plugin(TrackProcessor* self, Plugin* pl)

Disconnect the TrackProcessor's out ports from the Plugin's input ports.

void track_processor_connect_to_plugin(TrackProcessor* self, Plugin* pl)

Connect the TrackProcessor's out ports to the Plugin's input ports.

void track_processor_free(TrackProcessor* self)

Frees the TrackProcessor.

void tracklist_init_loaded(Tracklist* self)

Initializes the tracklist when loading a project.

void tracklist_get_visible_tracks(Tracklist* self, Track** visible_tracks, int* num_visible)

Finds visible tracks and puts them in given array.

auto tracklist_find_track_by_name(Tracklist* self, const char* name) -> Track*

Returns the Track matching the given name, if any.

void tracklist_print_tracks(Tracklist* self)

Prints the tracks (for debugging).

void tracklist_insert_track(Tracklist* self, Track* track, int pos, int publish_events, int recalc_graph)

Adds given track to given spot in tracklist.

void tracklist_remove_track(Tracklist* self, Track* track, bool rm_pl, bool free_track, bool publish_events, bool recalc_graph)

Removes a track from the Tracklist and the TracklistSelections.

void tracklist_move_track(Tracklist* self, Track* track, int pos, int publish_events, int recalc_graph)

Moves a track from its current position to the position given by pos.

void tracklist_append_track(Tracklist* self, Track* track, int publish_events, int recalc_graph)

Calls tracklist_insert_track with the given options.

void tracklist_set_track_pinned(Tracklist* self, Track* track, const int pinned, int publish_events, int recalc_graph)

Pins or unpins the Track.

auto tracklist_get_track_pos(Tracklist* self, Track* track) -> int

Returns the index of the given Track.

auto tracklist_get_first_visible_track(Tracklist* self, const int pinned) -> Track*

Returns the first visible Track.

auto tracklist_get_prev_visible_track(Tracklist* self, Track* track) -> Track*

Returns the previous visible Track in the same Tracklist as the given one (ie, pinned or not).

auto tracklist_get_last_pos(Tracklist* self, const TracklistPinOption pin_opt, const bool visible_only) -> int

Returns the index of the last Track.

auto tracklist_get_last_track(Tracklist* self, const TracklistPinOption pin_opt, const int visible_only) -> Track*

Returns the last Track.

auto tracklist_get_next_visible_track(Tracklist* self, Track* track) -> Track*

Returns the next visible Track in the same Tracklist as the given one (ie, pinned or not).

auto tracklist_get_visible_track_after_delta(Tracklist* self, Track* track, int delta) -> Track*

Returns the Track after delta visible Track's.

auto tracklist_get_visible_track_diff(Tracklist* self, const Track* src, const Track* dest) -> int

Returns the number of visible Tracks between src and dest (negative if dest is before src).

void tracklist_handle_file_drop(Tracklist* self, char** uri_list, SupportedFile* orig_file, Track* track, TrackLane* lane, Position* pos, bool perform_actions)

Handles a file drop inside the timeline or in empty space in the tracklist.

auto tracklist_track_name_is_unique(Tracklist* self, const char* name, Track* track_to_skip) -> int

Returns 1 if the track name is not taken.

auto tracklist_has_soloed(const Tracklist* self) -> int

Returns if the tracklist has soloed tracks.

auto tracklist_get_num_visible_tracks(Tracklist* self, int visible) -> int

void tracklist_activate_all_plugins(Tracklist* self, bool activate)

Activate or deactivate all plugins.

void tracklist_expose_ports_to_backend(Tracklist* self)

Exposes each track's ports that should be exposed to the backend.

void tracklist_mark_all_tracks_for_bounce(Tracklist* self, bool bounce)

Marks or unmarks all tracks for bounce.

void guile_tracklist_define_module(void)

Define guile module.

auto transport_new(AudioEngine* engine) -> Transport*

Initialize transport.

auto transport_clone(Transport* self) -> Transport*

Clones the transport values.

void transport_prepare_audio_regions_for_stretch(Transport* self, TimelineSelections* sel)

Prepares audio regions for stretching (sets the ZRegion::before_length).

void transport_stretch_audio_regions(Transport* self, TimelineSelections* sel, bool with_fixed_ratio, double time_ratio)

Stretches audio regions.

void transport_set_beat_unit(Transport* self, int beat_unit)

Updates beat unit and anything depending on it.

void transport_set_metronome_enabled(Transport* self, const int enabled)

Sets whether metronome is enabled or not.

void transport_add_to_playhead(Transport* self, const nframes_t nframes)

Moves the playhead by the time corresponding to given samples, taking into account the loop end point.

void transport_set_playhead_pos(Transport* self, Position* pos)

Setter for playhead Position.

void transport_get_playhead_pos(Transport* self, Position* pos)

Getter for playhead Position.

void transport_move_playhead(Transport* self, Position* target, bool panic, bool set_cue_point)

Moves playhead to given pos.

void transport_set_loop(Transport* self, bool enabled)

Enables or disables loop.

void transport_goto_prev_marker(Transport* self)

Moves the playhead to the prev Marker.

void transport_goto_next_marker(Transport* self)

Moves the playhead to the next Marker.

void transport_update_position_frames(Transport* self)

Updates the frames in all transport positions.

void transport_position_add_frames(const Transport* self, Position* pos, const nframes_t frames)

Adds frames to the given position similar to position_add_frames, except that it adjusts the new Position if the loop end point was crossed.

auto transport_get_ppqn(Transport* self) -> double

Returns the PPQN (Parts/Ticks Per Quarter Note).

void transport_get_range_pos(Transport* self, bool first, Position* pos)

Stores the position of the range in pos.

void transport_set_has_range(Transport* self, bool has_range)

Sets if the project has range and updates UI.

auto transport_is_loop_point_met(const Transport* self, const long g_start_frames, const nframes_t nframes) -> nframes_t

Returns the number of processable frames until and excluding the loop end point as a positive number (>= 1) if the loop point was met between g_start_frames and (g_start_frames + nframes), otherwise returns 0;.

void transport_recalculate_total_bars(Transport* self)

Recalculates the total bars based on the last object's position.

void transport_update_total_bars(Transport* self, int total_bars, bool fire_events)

Updates the total bars.

void transport_set_recording(Transport* self, bool record, bool fire_events)

Sets recording on/off.

auto velocity_new(MidiNote* midi_note, const uint8_t vel) -> Velocity*

Creates a new Velocity with the given value.

void velocity_set_midi_note(Velocity* velocity, MidiNote* midi_note)

Sets the MidiNote the Velocity belongs to.

auto velocity_is_equal(Velocity* src, Velocity* dest) -> int

Returns 1 if the Velocity's match, 0 if not.

void velocity_shift(Velocity* self, const int delta)

Changes the Velocity by the given amount of values (delta).

void velocity_set_val(Velocity* self, const int val)

Sets the velocity to the given value.

auto velocity_get_midi_note(Velocity* self) -> MidiNote*

Returns the owner MidiNote.

Variables

Port* port

Port associated with this meter.

TruePeakDsp* true_peak_processor

True peak processor.

float true_peak

Current true peak.

KMeterDsp* kmeter_processor

K RMS processor, if K meter.

MeterAlgorithm algorithm

Algorithm to use.

float prev_max

Previous max, used when holding the max value.

float last_amp

Last meter value (in amplitude), used to show a falloff and avoid sudden dips.

gint64 last_draw_time

Time the last val was taken at (last draw time).

static const Position POSITION_START

Start Position to be used in calculations.

static const cyaml_strval_t note_type_short_strings

These are not meant to be serialized, they are only used for convenience.

Defines

#define CHANNEL_MAGIC

Magic number to identify channels.

#define CHANNEL_SEND_POST_FADER_START_SLOT

The slot where post-fader sends begin (starting from 0).

#define chord_track_get_chord_at_playhead(ct)

Returns the current chord.

#define chord_track_get_scale_at_playhead(ct)

Returns the current scale.

#define CURVE_SUPERELLIPSE_CURVINESS_BOUND

Bounds for each algorithm.

#define engine_set_run(engine, _run)

Set whether engine should process (true) or skip (false).

#define engine_is_port_own(self, port)

Returns 1 if the port is an engine port or control room port, otherwise 0.

#define EXT_PORTS_MAX

Maximum external ports.

#define marker_set_name(_self, _name)

Sets the name to all the Marker's counterparts.

#define MAX_MIDI_EVENTS

Max events to hold in queues.

#define midi_region_add_midi_note(region, midi_note, pub_events)

Adds the MidiNote to the given ZRegion.

#define PORT_NOT_OWNED

Special ID for owner_pl, owner_ch, etc.

#define position_between_frames_excl2(pos, f1, f2)

Whether the position starts on or after f1 and before f2.

#define position_compare(p1, p2)

Compares 2 positions based on their frames.

#define position_is_before(_pos, _cmp)

Checks if _pos is before _cmp.

#define position_is_before_or_equal(_pos, _cmp)

Checks if _pos is before or equal to _cmp.

#define position_is_equal(_pos, _cmp)

Checks if _pos is equal to _cmp.

#define position_is_after(_pos, _cmp)

Checks if _pos is after _cmp.

#define position_is_after_or_equal(_pos, _cmp)

Checks if _pos is after or equal to _cmp.

#define position_compare_ticks(p1, p2)

Compares 2 positions based on their total ticks.

#define position_is_between(_pos, _start, _end)

Returns if _pos is after or equal to _start and before _end.

#define position_is_between_excl_start(_pos, _start, _end)

Returns if _pos is after _start and before _end.

#define POSITION_INIT_ON_STACK(name)

Inits the default position on the stack.

#define position_init(__pos)

Initializes given position.

#define position_set_to_pos(_pos, _target)

Sets position to target position.

#define RECORDING_EVENTS_PUSH_AUDIO(et, _arg)

Push events.

#define recording_event_init(re)

Inits an already allocated recording event.

#define region_type_can_fade(rtype)

Returns if the given ZRegion type can have fades.

#define VELOCITY_DEFAULT

Default velocity.

Enum documentation

Typedef documentation

Function documentation