98 lines
No EOL
3.8 KiB
C#
98 lines
No EOL
3.8 KiB
C#
#region License
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//
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// The Open Toolkit Library License
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//
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// Copyright (c) 2006 - 2009 the Open Toolkit library.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do
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// so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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//
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#endregion
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using System;
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using System.Diagnostics;
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using System.Threading;
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using System.IO;
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using OpenTK.Audio;
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using OpenTK.Audio.OpenAL;
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namespace Examples
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{
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[Example("EFX: Reverb", ExampleCategory.OpenAL, "EFX", Documentation="EFXReverb")]
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public class ReverbExample
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{
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static readonly string filename = Path.Combine(Path.Combine("Data", "Audio"), "the_ring_that_fell.wav");
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public static void Main()
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{
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using (AudioContext context = new AudioContext())
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{
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Trace.WriteLine("Testing WaveReader({0}).ReadToEnd()", filename);
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EffectsExtension efx = new EffectsExtension();
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int buffer = AL.GenBuffer();
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int source = AL.GenSource();
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int state;
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int effect = efx.GenEffect();
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int slot = efx.GenAuxiliaryEffectSlot();
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efx.BindEffect(effect, EfxEffectType.Reverb);
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efx.Effect(effect, EfxEffectf.ReverbDecayTime, 3.0f);
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efx.Effect(effect, EfxEffectf.ReverbDecayHFRatio, 0.91f);
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efx.Effect(effect, EfxEffectf.ReverbDensity, 0.7f);
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efx.Effect(effect, EfxEffectf.ReverbDiffusion, 0.9f);
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efx.Effect(effect, EfxEffectf.ReverbRoomRolloffFactor, 3.1f);
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efx.Effect(effect, EfxEffectf.ReverbReflectionsGain, 0.723f);
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efx.Effect(effect, EfxEffectf.ReverbReflectionsDelay, 0.03f);
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efx.Effect(effect, EfxEffectf.ReverbGain, 0.23f);
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efx.AuxiliaryEffectSlot(slot, EfxAuxiliaryi.EffectslotEffect, effect);
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int channels, bits, rate;
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byte[] data = Playback.LoadWave(File.Open(filename, FileMode.Open), out channels, out bits, out rate);
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AL.BufferData(buffer, Playback.GetSoundFormat(channels, bits), data, data.Length, rate);
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AL.Source(source, ALSourcef.ConeOuterGain, 1.0f);
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AL.Source(source, ALSourcei.Buffer, buffer);
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AL.SourcePlay(source);
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Trace.Write("Playing");
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// Query the source to find out when it stops playing.
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do
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{
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Thread.Sleep(250);
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Trace.Write(".");
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AL.GetSource(source, ALGetSourcei.SourceState, out state);
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}
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while ((ALSourceState)state == ALSourceState.Playing);
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Trace.WriteLine("");
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AL.SourceStop(source);
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AL.DeleteSource(source);
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AL.DeleteBuffer(buffer);
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efx.DeleteEffect(effect);
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efx.DeleteAuxiliaryEffectSlot(slot);
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}
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}
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}
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} |