122 lines
3.0 KiB
C#
122 lines
3.0 KiB
C#
//
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// Mono.Audio.Win32SoundPlayer
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//
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// Authors:
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// Gert Driesen (drieseng@users.sourceforge.net)
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//
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// Copyright (C) 2007 Gert Driesen
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all 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 OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.IO;
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using System.Runtime.InteropServices;
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namespace Mono.Audio
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{
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internal class Win32SoundPlayer : IDisposable
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{
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public Win32SoundPlayer (Stream s)
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{
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if (s != null) {
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_buffer = new byte [s.Length];
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s.Read (_buffer, 0, _buffer.Length);
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} else {
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_buffer = new byte [0];
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}
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}
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[DllImport ("winmm.dll", SetLastError = true)]
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static extern bool PlaySound (
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byte [] ptrToSound,
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UIntPtr hmod,
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SoundFlags flags);
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public Stream Stream {
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set {
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Stop ();
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if (value != null) {
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_buffer = new byte [value.Length];
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value.Read (_buffer, 0, _buffer.Length);
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} else {
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_buffer = new byte [0];
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}
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}
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}
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public void Dispose ()
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{
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Dispose (true);
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GC.SuppressFinalize (this);
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}
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~Win32SoundPlayer ()
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{
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Dispose (false);
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}
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protected virtual void Dispose (bool disposing)
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{
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if (!_disposed) {
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Stop ();
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_disposed = true;
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}
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}
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public void Play ()
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{
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PlaySound (_buffer, UIntPtr.Zero, SoundFlags.SND_ASYNC |
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SoundFlags.SND_MEMORY);
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}
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public void PlayLooping ()
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{
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PlaySound (_buffer, UIntPtr.Zero, SoundFlags.SND_MEMORY |
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SoundFlags.SND_LOOP | SoundFlags.SND_ASYNC);
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}
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public void PlaySync ()
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{
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PlaySound (_buffer, UIntPtr.Zero, SoundFlags.SND_SYNC |
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SoundFlags.SND_MEMORY | SoundFlags.SND_NODEFAULT);
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}
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public void Stop ()
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{
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PlaySound ((byte []) null, UIntPtr.Zero, SoundFlags.SND_SYNC);
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}
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enum SoundFlags : uint
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{
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SND_SYNC = 0x0000, // play synchronously
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SND_ASYNC = 0x0001, // play asynchronously
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SND_NODEFAULT = 0x0002, // do not play default sound if sound not found
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SND_MEMORY = 0x0004, // pszSound is loaded in memory
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SND_LOOP = 0x0008, // play repeatedly until next PlaySound
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SND_FILENAME = 0x00020000, // pszSound is a file name
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}
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private byte [] _buffer;
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private bool _disposed;
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}
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}
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