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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 | #region License/* FNA - XNA4 Reimplementation for Desktop Platforms * Copyright 2009-2016 Ethan Lee and the MonoGame Team * * Released under the Microsoft Public License. * See LICENSE for details. */#endregion#region Using Statementsusing System;using System.Collections.Generic;using System.Collections.ObjectModel;#endregionnamespace Microsoft.Xna.Framework.Audio{ internal static class AudioDevice { #region RendererDetail List public static ReadOnlyCollection<RendererDetail> Renderers; #endregion #region Internal AL Device // FIXME: readonly? -flibit public static IALDevice ALDevice; #endregion #region SoundEffect Management Variables // FIXME: readonly? -flibit // Used to store SoundEffectInstances generated internally. public static List<SoundEffectInstance> InstancePool; // Used to store all DynamicSoundEffectInstances, to check buffer counts. public static List<DynamicSoundEffectInstance> DynamicInstancePool; #endregion #region Microphone Management Variables // FIXME: readonly? -flibit // Used to store Microphones that are currently recording public static List<Microphone> ActiveMics; #endregion #region Public Static Initialize Method public static void Initialize() { // We should only have one of these! if (ALDevice != null) { FNAPlatform.Log("ALDevice already exists, overwriting!"); } bool disableSound = Environment.GetEnvironmentVariable( "FNA_AUDIO_DISABLE_SOUND" ) == "1"; if (disableSound) { ALDevice = new NullDevice(); } else { ALDevice = FNAPlatform.CreateALDevice(); } // Populate device list if (ALDevice != null) { Renderers = ALDevice.GetDevices(); Microphone.All = ALDevice.GetCaptureDevices(); InstancePool = new List<SoundEffectInstance>(); DynamicInstancePool = new List<DynamicSoundEffectInstance>(); ActiveMics = new List<Microphone>(); } else { Renderers = new ReadOnlyCollection<RendererDetail>(new List<RendererDetail>()); Microphone.All = new ReadOnlyCollection<Microphone>(new List<Microphone>()); } } #endregion #region Public Static Dispose Method public static void Dispose() { if (ALDevice != null) { InstancePool.Clear(); DynamicInstancePool.Clear(); ALDevice.Dispose(); // ALDevice = null; <- May cause Exceptions! } } #endregion #region Public Static Update Methods public static void Update() { if (ALDevice != null) { ALDevice.Update(); for (int i = 0; i < InstancePool.Count; i += 1) { if (InstancePool[i].State == SoundState.Stopped) { InstancePool[i].Dispose(); InstancePool.RemoveAt(i); i -= 1; } } foreach (DynamicSoundEffectInstance sfi in DynamicInstancePool) { sfi.Update(); } foreach (Microphone mic in ActiveMics) { mic.CheckBuffer(); } } } #endregion #region Public Static Buffer Methods public static IALBuffer GenBuffer() { if (ALDevice == null) { throw new NoAudioHardwareException(); } return ALDevice.GenBuffer(); } public static IALBuffer GenBuffer( byte[] data, uint sampleRate, uint channels, uint loopStart, uint loopEnd, bool isADPCM, uint formatParameter ) { if (ALDevice == null) { throw new NoAudioHardwareException(); } return ALDevice.GenBuffer( data, sampleRate, channels, loopStart, loopEnd, isADPCM, formatParameter ); } #endregion #region Public Static Reverb Methods public static IALReverb GenReverb(DSPParameter[] parameters) { if (ALDevice == null) { throw new NoAudioHardwareException(); } return ALDevice.GenReverb(parameters); } #endregion }} |
