2022-02-23 05:14:32 +00:00
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using System;
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2021-01-20 05:33:25 +00:00
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using System.Collections.Generic;
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2021-01-20 02:06:10 +00:00
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using System.Runtime.InteropServices;
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namespace MoonWorks.Audio
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{
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2022-02-23 05:14:32 +00:00
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public class AudioDevice : IDisposable
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{
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public IntPtr Handle { get; }
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public byte[] Handle3D { get; }
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public IntPtr MasteringVoice { get; }
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public FAudio.FAudioDeviceDetails DeviceDetails { get; }
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public IntPtr ReverbVoice { get; }
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public float CurveDistanceScalar = 1f;
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public float DopplerScale = 1f;
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public float SpeedOfSound = 343.5f;
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internal FAudio.FAudioVoiceSends ReverbSends;
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private readonly List<WeakReference<AudioResource>> resources = new List<WeakReference<AudioResource>>();
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private readonly List<WeakReference<StreamingSound>> streamingSounds = new List<WeakReference<StreamingSound>>();
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private bool IsDisposed;
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public unsafe AudioDevice()
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{
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2022-08-26 03:43:01 +00:00
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FAudio.FAudioCreate(out var handle, 0, FAudio.FAUDIO_DEFAULT_PROCESSOR);
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2022-02-23 05:14:32 +00:00
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Handle = handle;
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/* Find a suitable device */
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FAudio.FAudio_GetDeviceCount(Handle, out var devices);
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if (devices == 0)
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{
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Logger.LogError("No audio devices found!");
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Handle = IntPtr.Zero;
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FAudio.FAudio_Release(Handle);
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return;
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}
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FAudio.FAudioDeviceDetails deviceDetails;
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uint i = 0;
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for (i = 0; i < devices; i++)
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{
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FAudio.FAudio_GetDeviceDetails(
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Handle,
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i,
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out deviceDetails
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);
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if ((deviceDetails.Role & FAudio.FAudioDeviceRole.FAudioDefaultGameDevice) == FAudio.FAudioDeviceRole.FAudioDefaultGameDevice)
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{
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DeviceDetails = deviceDetails;
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break;
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}
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}
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if (i == devices)
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{
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i = 0; /* whatever we'll just use the first one I guess */
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FAudio.FAudio_GetDeviceDetails(
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Handle,
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i,
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out deviceDetails
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);
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DeviceDetails = deviceDetails;
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}
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/* Init Mastering Voice */
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IntPtr masteringVoice;
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if (FAudio.FAudio_CreateMasteringVoice(
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Handle,
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out masteringVoice,
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FAudio.FAUDIO_DEFAULT_CHANNELS,
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FAudio.FAUDIO_DEFAULT_SAMPLERATE,
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0,
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i,
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IntPtr.Zero
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) != 0)
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{
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Logger.LogError("No mastering voice found!");
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Handle = IntPtr.Zero;
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FAudio.FAudio_Release(Handle);
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return;
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}
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MasteringVoice = masteringVoice;
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/* Init 3D Audio */
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Handle3D = new byte[FAudio.F3DAUDIO_HANDLE_BYTESIZE];
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FAudio.F3DAudioInitialize(
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DeviceDetails.OutputFormat.dwChannelMask,
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SpeedOfSound,
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Handle3D
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);
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/* Init reverb */
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IntPtr reverbVoice;
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IntPtr reverb;
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FAudio.FAudioCreateReverb(out reverb, 0);
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IntPtr chainPtr;
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chainPtr = Marshal.AllocHGlobal(
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2022-04-27 21:14:15 +00:00
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sizeof(FAudio.FAudioEffectChain)
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2022-02-23 05:14:32 +00:00
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);
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FAudio.FAudioEffectChain* reverbChain = (FAudio.FAudioEffectChain*) chainPtr;
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reverbChain->EffectCount = 1;
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reverbChain->pEffectDescriptors = Marshal.AllocHGlobal(
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2022-04-27 21:14:15 +00:00
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sizeof(FAudio.FAudioEffectDescriptor)
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2022-02-23 05:14:32 +00:00
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);
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FAudio.FAudioEffectDescriptor* reverbDescriptor =
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(FAudio.FAudioEffectDescriptor*) reverbChain->pEffectDescriptors;
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reverbDescriptor->InitialState = 1;
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reverbDescriptor->OutputChannels = (uint) (
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(DeviceDetails.OutputFormat.Format.nChannels == 6) ? 6 : 1
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);
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reverbDescriptor->pEffect = reverb;
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FAudio.FAudio_CreateSubmixVoice(
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Handle,
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out reverbVoice,
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1, /* omnidirectional reverb */
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DeviceDetails.OutputFormat.Format.nSamplesPerSec,
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0,
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0,
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IntPtr.Zero,
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chainPtr
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);
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FAudio.FAPOBase_Release(reverb);
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Marshal.FreeHGlobal(reverbChain->pEffectDescriptors);
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Marshal.FreeHGlobal(chainPtr);
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ReverbVoice = reverbVoice;
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/* Init reverb params */
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// Defaults based on FAUDIOFX_I3DL2_PRESET_GENERIC
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IntPtr reverbParamsPtr = Marshal.AllocHGlobal(
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2022-04-27 21:14:15 +00:00
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sizeof(FAudio.FAudioFXReverbParameters)
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2022-02-23 05:14:32 +00:00
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);
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FAudio.FAudioFXReverbParameters* reverbParams = (FAudio.FAudioFXReverbParameters*) reverbParamsPtr;
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reverbParams->WetDryMix = 100.0f;
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reverbParams->ReflectionsDelay = 7;
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reverbParams->ReverbDelay = 11;
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reverbParams->RearDelay = FAudio.FAUDIOFX_REVERB_DEFAULT_REAR_DELAY;
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reverbParams->PositionLeft = FAudio.FAUDIOFX_REVERB_DEFAULT_POSITION;
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reverbParams->PositionRight = FAudio.FAUDIOFX_REVERB_DEFAULT_POSITION;
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reverbParams->PositionMatrixLeft = FAudio.FAUDIOFX_REVERB_DEFAULT_POSITION_MATRIX;
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reverbParams->PositionMatrixRight = FAudio.FAUDIOFX_REVERB_DEFAULT_POSITION_MATRIX;
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reverbParams->EarlyDiffusion = 15;
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reverbParams->LateDiffusion = 15;
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reverbParams->LowEQGain = 8;
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reverbParams->LowEQCutoff = 4;
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reverbParams->HighEQGain = 8;
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reverbParams->HighEQCutoff = 6;
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reverbParams->RoomFilterFreq = 5000f;
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reverbParams->RoomFilterMain = -10f;
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reverbParams->RoomFilterHF = -1f;
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reverbParams->ReflectionsGain = -26.0200005f;
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reverbParams->ReverbGain = 10.0f;
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reverbParams->DecayTime = 1.49000001f;
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reverbParams->Density = 100.0f;
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reverbParams->RoomSize = FAudio.FAUDIOFX_REVERB_DEFAULT_ROOM_SIZE;
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FAudio.FAudioVoice_SetEffectParameters(
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ReverbVoice,
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0,
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reverbParamsPtr,
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2022-04-27 21:14:15 +00:00
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(uint) sizeof(FAudio.FAudioFXReverbParameters),
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2022-02-23 05:14:32 +00:00
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0
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);
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Marshal.FreeHGlobal(reverbParamsPtr);
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/* Init reverb sends */
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ReverbSends = new FAudio.FAudioVoiceSends
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{
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SendCount = 2,
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pSends = Marshal.AllocHGlobal(
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2022-04-27 21:14:15 +00:00
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2 * sizeof(FAudio.FAudioSendDescriptor)
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2022-02-23 05:14:32 +00:00
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)
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};
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FAudio.FAudioSendDescriptor* sendDesc = (FAudio.FAudioSendDescriptor*) ReverbSends.pSends;
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sendDesc[0].Flags = 0;
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sendDesc[0].pOutputVoice = MasteringVoice;
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sendDesc[1].Flags = 0;
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sendDesc[1].pOutputVoice = ReverbVoice;
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}
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2022-05-24 02:11:48 +00:00
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public void SetMasteringVolume(float volume)
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{
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FAudio.FAudioVoice_SetVolume(MasteringVoice, volume, 0);
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}
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internal void Update()
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2022-02-23 05:14:32 +00:00
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{
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for (var i = streamingSounds.Count - 1; i >= 0; i--)
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{
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var weakReference = streamingSounds[i];
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if (weakReference.TryGetTarget(out var streamingSound))
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{
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streamingSound.Update();
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}
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else
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{
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streamingSounds.RemoveAt(i);
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}
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}
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}
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internal void AddDynamicSoundInstance(StreamingSound instance)
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{
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streamingSounds.Add(new WeakReference<StreamingSound>(instance));
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}
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internal void AddResourceReference(WeakReference<AudioResource> resourceReference)
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{
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lock (resources)
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{
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resources.Add(resourceReference);
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}
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}
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internal void RemoveResourceReference(WeakReference<AudioResource> resourceReference)
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{
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lock (resources)
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{
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resources.Remove(resourceReference);
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}
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}
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protected virtual void Dispose(bool disposing)
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{
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if (!IsDisposed)
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{
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if (disposing)
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{
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2022-04-20 21:57:24 +00:00
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for (var i = resources.Count - 1; i >= 0; i--)
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2022-02-23 00:44:39 +00:00
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{
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2022-04-20 21:57:24 +00:00
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var weakReference = resources[i];
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2022-02-23 00:44:39 +00:00
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2022-04-20 21:57:24 +00:00
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if (weakReference.TryGetTarget(out var resource))
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2022-02-23 05:14:32 +00:00
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{
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2022-04-20 21:57:24 +00:00
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resource.Dispose();
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2022-02-23 05:14:32 +00:00
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}
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2022-02-23 00:44:39 +00:00
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}
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2022-04-20 21:57:24 +00:00
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resources.Clear();
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2022-02-23 05:14:32 +00:00
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}
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2021-01-29 02:01:42 +00:00
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2022-02-23 00:44:39 +00:00
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FAudio.FAudioVoice_DestroyVoice(ReverbVoice);
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FAudio.FAudioVoice_DestroyVoice(MasteringVoice);
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2022-02-23 05:14:32 +00:00
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FAudio.FAudio_Release(Handle);
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IsDisposed = true;
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}
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}
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// TODO: override finalizer only if 'Dispose(bool disposing)' has code to free unmanaged resources
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~AudioDevice()
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{
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// Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method
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Dispose(disposing: false);
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}
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public void Dispose()
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{
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// Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method
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Dispose(disposing: true);
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GC.SuppressFinalize(this);
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}
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}
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2021-01-20 02:06:10 +00:00
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}
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