Class SequencedMidiPlayer

Namespace

NAudio.Midi

Assembly

NAudio.Midi.dll

Plays an EventTimeline<T> of MIDI events on an IMidiInstrument, driven by a Transport. Unlike SequencedSampleProvider<T> (which spawns a sample provider per event into a mixer), this drives a single stateful polyphonic instrument: on each Read(Span<float>) it dispatches the buffer's MIDI events to the instrument at their exact frame offset, rendering the instrument in segments between events so timing is sample-accurate within the block.

public sealed class SequencedMidiPlayer : ISampleProvider

Inheritance

object

SequencedMidiPlayer

Implements

ISampleProvider

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.ReferenceEquals(object, object)

object.ToString()

Extension Methods

WaveExtensionMethods.FollowedBy(ISampleProvider, TimeSpan, ISampleProvider)

WaveExtensionMethods.Skip(ISampleProvider, TimeSpan)

WaveExtensionMethods.Take(ISampleProvider, TimeSpan)

WaveExtensionMethods.ToMono(ISampleProvider, float, float)

WaveExtensionMethods.ToStereo(ISampleProvider, float, float)

WaveExtensionMethods.ToWaveProvider(ISampleProvider)

WaveExtensionMethods.ToWaveProvider16(ISampleProvider)

Remarks

The steady-state Read(Span<float>) path performs no heap allocations and takes no lock on the timeline: event queries run over EventTimeline<T>'s lock-free immutable snapshot, and the per-buffer event list and dispatch delegate are allocated once up front.

Constructors

SequencedMidiPlayer(Transport, EventTimeline<MidiEvent>, IMidiInstrument)

Creates the bridge. The instrument's sample rate must match the transport's.

public SequencedMidiPlayer(Transport transport, EventTimeline<MidiEvent> timeline, IMidiInstrument instrument)

Parameters

transport Transport

timeline EventTimeline<MidiEvent>

instrument IMidiInstrument

Properties

Instrument

The instrument the timeline plays.

public IMidiInstrument Instrument { get; }

Property Value

IMidiInstrument

Transport

The transport driving playback position.

public Transport Transport { get; }

Property Value

Transport

WaveFormat

Gets the WaveFormat of this Sample Provider.

public WaveFormat WaveFormat { get; }

Property Value

WaveFormat

The wave format.

Methods

Read(Span<float>)

Fill the specified buffer with 32 bit floating point samples

public int Read(Span<float> buffer)

Parameters

buffer Span<float>

The buffer to fill with samples.

Returns

int

The number of samples written. Return 0 to signal end of stream.