Yuebon.NetCore/Yuebon.Commons/Device/SoundPlayerHelper.cs

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using System;
using System.IO;
using System.Text;
using System.Runtime.InteropServices;

namespace Yuebon.Commons.Device
{
    /// <summary>
    ///声音文件播放操作辅助类。除了MP3声音文件外，还可以播放WAV格式、midi格式声音文件。
    /// </summary>
    public class SoundPlayerHelper
    {
        [DllImport("winmm.dll")]
        private static extern long mciSendString(string strCommand, StringBuilder strReturn, int iReturnLength, IntPtr hwndCallback);

        [DllImport("winmm.dll")]
        private static extern int waveOutGetVolume(IntPtr hwo, out uint dwVolume);

        [DllImport("winmm.dll")]
        private static extern int waveOutSetVolume(IntPtr hwo, uint dwVolume);

        /// <summary>
        /// 播放声音文件
        /// </summary>
        /// <param name="soundFileName">声音文件路径（可以是MP3、WAV、Midi等声音文件）</param>
        /// <param name="Repeat">是否重复播放</param>
        public static void Play(string soundFileName,bool Repeat)
        {
            mciSendString("open \"" + soundFileName + "\" type mpegvideo alias MediaFile", null, 0, IntPtr.Zero);
            mciSendString("play MediaFile" + (Repeat ? " repeat" :String.Empty), null, 0, IntPtr.Zero);
        }

        /// <summary>
        /// 播放声音嵌入资源字节数组
        /// </summary>
        /// <param name="soundEmbeddedResource">声音文件嵌入资源字节数组（可以是MP3、WAV、Midi等声音格式）</param>
        /// <param name="Repeat">是否重复播放</param>
        public static void Play(byte[] soundEmbeddedResource, bool Repeat)
        {
            extractResource(soundEmbeddedResource, Path.GetTempPath() + "resource.tmp");
            mciSendString("open \"" + Path.GetTempPath() + "resource.tmp" + "\" type mpegvideo alias MediaFile", null, 0, IntPtr.Zero);
            mciSendString("play MediaFile" + (Repeat ? " repeat" : String.Empty), null, 0, IntPtr.Zero);
        }

        /// <summary>
        /// 暂停播放
        /// </summary>
        public static void Pause()
        {
            mciSendString("stop MediaFile", null, 0, IntPtr.Zero);
        }

        /// <summary>
        /// 停止播放
        /// </summary>
        public static void Stop()
        {
            mciSendString("close MediaFile", null, 0, IntPtr.Zero);
        }