57 lines
1.5 KiB
C#
57 lines
1.5 KiB
C#
using System;
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namespace MoonWorks.Audio
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{
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/// <summary>
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/// SourceVoices can send audio to a SubmixVoice for convenient effects processing.
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/// Submixes process in order of processingStage, from lowest to highest.
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/// Therefore submixes early in a chain should have a low processingStage, and later in the chain they should have a higher one.
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/// </summary>
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public class SubmixVoice : Voice
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{
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public SubmixVoice(
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AudioDevice device,
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uint sourceChannelCount,
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uint sampleRate,
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uint processingStage
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) : base(device, sourceChannelCount, device.DeviceDetails.OutputFormat.Format.nChannels)
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{
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FAudio.FAudio_CreateSubmixVoice(
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device.Handle,
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out handle,
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sourceChannelCount,
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sampleRate,
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FAudio.FAUDIO_VOICE_USEFILTER,
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processingStage,
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IntPtr.Zero,
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IntPtr.Zero
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);
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SetOutputVoice(device.MasteringVoice);
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}
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private SubmixVoice(
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AudioDevice device
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) : base(device, device.DeviceDetails.OutputFormat.Format.nChannels, device.DeviceDetails.OutputFormat.Format.nChannels)
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{
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FAudio.FAudio_CreateSubmixVoice(
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device.Handle,
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out handle,
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device.DeviceDetails.OutputFormat.Format.nChannels,
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device.DeviceDetails.OutputFormat.Format.nSamplesPerSec,
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FAudio.FAUDIO_VOICE_USEFILTER,
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int.MaxValue,
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IntPtr.Zero, // default sends to mastering voice
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IntPtr.Zero
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);
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OutputVoice = null;
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}
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internal static SubmixVoice CreateFauxMasteringVoice(AudioDevice device)
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{
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return new SubmixVoice(device);
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}
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}
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}
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