C#?WPF實(shí)現(xiàn)播放音頻文件的示例詳解
C#播放音頻文件的方式:
播放系統(tǒng)事件聲音
使用System.Media.SoundPlayer播放wav
使用MCI Command String多媒體設(shè)備程序接口播放mp3,wav,avi等
使用WindowsMediaPlayer的COM組件來播放(可視化)
使用DirectX播放音頻文件
使用Speech播放(朗讀器,可朗讀文本)
這里講不需要引用dll就能播放音頻的幾種方式:
1、播放系統(tǒng)事件聲音
System.Media.SystemSounds.Asterisk.Play(); //星號(hào) System.Media.SystemSounds.Beep.Play(); //提示音 System.Media.SystemSounds.Exclamation.Play(); //感嘆 System.Media.SystemSounds.Hand.Play(); //協(xié)助 System.Media.SystemSounds.Question.Play(); //問題
2、使用MCI Command String播放音頻文件,可以支持多種格式(mp3,wav,avi),且不需要額外引用dll,可以循環(huán)播放音頻
public class AudioPlayer { public AudioPlayer() { } //定義API函數(shù)使用的字符串變量 [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)] private string Name = ""; [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)] private string durLength = ""; [MarshalAs(UnmanagedType.LPTStr, SizeConst = 128)] private string TemStr = ""; int ilong; //定義播放狀態(tài)枚舉變量 public enum State { mPlaying = 1, mPuase = 2, mStop = 3 }; //結(jié)構(gòu)變量 public struct structMCI { public bool bMut; public int iDur; public int iPos; public int iVol; public int iBal; public string iName; public State state; }; public structMCI mc = new structMCI(); //取得播放文件屬性 public string FileName { get { return mc.iName; } set { try { TemStr = ""; TemStr = TemStr.PadLeft(127, Convert.ToChar(" ")); Name = Name.PadLeft(260, Convert.ToChar(" ")); mc.iName = value; ilong = APIClass.GetShortPathName(mc.iName, Name, Name.Length); Name = GetCurrPath(Name); Name = "open " + Convert.ToChar(34) + Name + Convert.ToChar(34) + " alias media"; ilong = APIClass.mciSendString("close all", TemStr, TemStr.Length, 0); ilong = APIClass.mciSendString(Name, TemStr, TemStr.Length, 0); ilong = APIClass.mciSendString("set media time format milliseconds", TemStr, TemStr.Length, 0); mc.state = State.mStop; } catch { } } } //播放 public void play() { TemStr = ""; TemStr = TemStr.PadLeft(127, Convert.ToChar(" ")); APIClass.mciSendString("play media", TemStr, TemStr.Length, 0); //單次播放 //APIClass.mciSendString("play media repeat", TemStr, TemStr.Length, 0); //循環(huán)播放 mc.state = State.mPlaying; } //停止 public void StopT() { TemStr = ""; TemStr = TemStr.PadLeft(128, Convert.ToChar(" ")); ilong = APIClass.mciSendString("close media", TemStr, 128, 0); ilong = APIClass.mciSendString("close all", TemStr, 128, 0); mc.state = State.mStop; } public void Puase() { TemStr = ""; TemStr = TemStr.PadLeft(128, Convert.ToChar(" ")); ilong = APIClass.mciSendString("pause media", TemStr, TemStr.Length, 0); mc.state = State.mPuase; } private string GetCurrPath(string name) { if (name.Length < 1) return ""; name = name.Trim(); name = name.Substring(0, name.Length - 1); return name; } //總時(shí)間 public int Duration { get { durLength = ""; durLength = durLength.PadLeft(128, Convert.ToChar(" ")); APIClass.mciSendString("status media length", durLength, durLength.Length, 0); durLength = durLength.Trim(); if (durLength == "") return 0; return (int)(Convert.ToDouble(durLength) / 1000f); } } //當(dāng)前時(shí)間 public int CurrentPosition { get { durLength = ""; durLength = durLength.PadLeft(128, Convert.ToChar(" ")); APIClass.mciSendString("status media position", durLength, durLength.Length, 0); mc.iPos = (int)(Convert.ToDouble(durLength) / 1000f); return mc.iPos; } } } public class APIClass { [DllImport("kernel32.dll", CharSet = CharSet.Auto)] public static extern int GetShortPathName( string lpszLongPath, string shortFile, int cchBuffer ); [DllImport("winmm.dll", EntryPoint = "mciSendString", CharSet = CharSet.Auto)] public static extern int mciSendString( string lpstrCommand, string lpstrReturnString, int uReturnLength, int hwndCallback ); }
到此這篇關(guān)于C# WPF實(shí)現(xiàn)播放音頻文件的示例詳解的文章就介紹到這了,更多相關(guān)C# WPF播放音頻內(nèi)容請搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持腳本之家!
相關(guān)文章
Unity ScrollView實(shí)現(xiàn)無限循環(huán)效果
這篇文章主要為大家詳細(xì)介紹了Unity ScrollView實(shí)現(xiàn)無限循環(huán)效果,文中示例代碼介紹的非常詳細(xì),具有一定的參考價(jià)值,感興趣的小伙伴們可以參考一下2021-07-07C#調(diào)用VB進(jìn)行簡繁轉(zhuǎn)換的方法
這篇文章主要介紹了C#調(diào)用VB進(jìn)行簡繁轉(zhuǎn)換的方法,通過調(diào)用VB的動(dòng)態(tài)鏈接庫實(shí)現(xiàn)繁簡轉(zhuǎn)換的技巧,非常具有實(shí)用價(jià)值,需要的朋友可以參考下2015-02-02Unity編輯器資源導(dǎo)入處理函數(shù)OnPostprocessAudio使用案例
這篇文章主要為大家介紹了Unity編輯器資源導(dǎo)入處理函數(shù)OnPostprocessAudio使用案例詳解,有需要的朋友可以借鑒參考下,希望能夠有所幫助,祝大家多多進(jìn)步,早日升職加薪2023-08-08C#?設(shè)置Chart的X軸為時(shí)間軸???????詳情
這篇文章主要介紹了C#設(shè)置Chart的X軸為時(shí)間軸???????詳情,文章圍繞主題展開詳細(xì)的內(nèi)容介紹,具有一定的參考價(jià)值,需要的小伙伴可以參考一下2022-08-08C#實(shí)現(xiàn)將javascript文件編譯成dll文件的方法
這篇文章主要介紹了C#實(shí)現(xiàn)將javascript文件編譯成dll文件的方法,涉及C#編譯生成dll動(dòng)態(tài)鏈接庫文件的實(shí)現(xiàn)技巧,具有一定參考借鑒價(jià)值,需要的朋友可以參考下2015-11-11