GeneratorInstance

Definition

• Type: Struct
• Namespace: UnityEngine.Audio
• Assembly: UnityEngine.AudioModule
• Implements: IEquatable<GeneratorInstance>

public struct GeneratorInstance : IEquatable<GeneratorInstance>

Remarks

Examples

using Unity.Burst;using Unity.IntegerTime;using UnityEngine;using UnityEngine.Audio;using static UnityEngine.Audio.ProcessorInstance;[BurstCompile(CompileSynchronously = true)]public struct SineProcessor : GeneratorInstance.IRealtime{    private const float k_Tau = Mathf.PI * 2;    private float m_Frequency;    private float m_Phase;    public static GeneratorInstance Allocate(ControlContext context, float frequency)    {        return context.AllocateGenerator(new SineProcessor(frequency), new Control());    }    public bool isFinite => false;    public bool isRealtime => true;    public DiscreteTime? length => null;    private GeneratorInstance.Setup m_Setup;    SineProcessor(float initialFrequency)    {        m_Frequency = initialFrequency;        m_Phase = 0.0f;        m_Setup = new GeneratorInstance.Setup();    }    public void Update(UpdatedDataContext context, Pipe pipe)    {        foreach (var data in pipe.GetAvailableData(context))        {            if (data.TryGetData(out FrequencyData freq))            {                m_Frequency = freq.Value;            }        }    }    public GeneratorInstance.Result Process(in RealtimeContext ctx, Pipe pipe, ChannelBuffer buffer, GeneratorInstance.Arguments args)    {        for (var frame = 0; frame < buffer.frameCount; frame++)        {            for (var channel = 0; channel < buffer.channelCount; channel++)                buffer[channel, frame] = Mathf.Sin(m_Phase * k_Tau);            m_Phase += m_Frequency / m_Setup.sampleRate;            if (m_Phase > 1.0f) m_Phase -= 1.0f;        }        return buffer.frameCount;    }    struct Control : GeneratorInstance.IControl<SineProcessor>    {        public void Configure(ControlContext context, ref SineProcessor generator, in AudioFormat format, out GeneratorInstance.Setup setup, ref GeneratorInstance.Properties p)        {            generator.m_Setup = new GeneratorInstance.Setup(speakerMode: AudioSpeakerMode.Mono, sampleRate: format.sampleRate);            setup = generator.m_Setup;        }        public void Dispose(ControlContext context, ref SineProcessor processor) { }        public void Update(ControlContext context, Pipe pipe) { }        public ProcessorInstance.Response OnMessage(ControlContext context, Pipe pipe, Message message)        {            return ProcessorInstance.Response.Unhandled;        }    }    public struct FrequencyData    {        public readonly float Value;        public FrequencyData(float value)        {            Value = value;        }    }}

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Interfaces