C#调用mciSendString播放AVI和MP3的类
2008-12-08 15:12
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使用MCI播放类里包含了一些简单的MCI COMMAND命令。
如果要播放RMVB，则另外需要安装插件。
private void button1_Click(object sender, EventArgs e)
{
if (Temp != null)
{
Temp.Play();
}
else
{
Temp = new Zgke.Media.Sound(panel1);
Temp.PlayRun += new Zgke.Media.Sound._PlayRun(Temp_PlayRun);
openFileDialog1.InitialDirectory = @"C:/temp";
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
string TempFile = openFileDialog1.FileName;
Temp.AddSoundFile(TempFile);
Temp.Play();
}
}
}
void Temp_PlayRun(Zgke.Media.Sound sender, int PlayPoint)
{
this.Invoke((MethodInvoker)delegate { trackBar1.Maximum = sender.PlayMillisecond; trackBar1.Value = PlayPoint; this.Text = PlayPoint.ToString() + "/" + sender.PlayMillisecond.ToString(); });
}
具体类
using System;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Text;
using System.IO ;
using System.Windows.Forms;
namespace Zgke.Media
{
/// <summary>
/// Media 播放类。
/// zgke@sina.com
///
/// </summary>
public class Sound
{
private Panel m_PlayPanel;
public Sound(Panel PanelShow)
{
m_PlayPanel = PanelShow;
_MyTime.Interval = 1;
_MyTime.Tick += new EventHandler(_MyTime_Tick);
PanelShow.SizeChanged += new EventHandler(PanelShow_SizeChanged);
}
/// <summary>
/// 控制大小
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void PanelShow_SizeChanged(object sender, EventArgs e)
{
string _Temp = "".PadLeft(128, ' ');
_Long = mciSendString("put ZgkeMedia window at 0 0 " + m_PlayPanel.Width.ToString() + " " + m_PlayPanel.Height.ToString(), _Temp, 128, 0); //播放音频文件
}
/// <summary>
/// 时间处理
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void _MyTime_Tick(object sender, EventArgs e)
{
int _TempPoint = PlayPoint; //获取当前播放时间
if (_TempPoint != _OldIndex) //如果播放时间是当前获取的时间 不进行处理
{
if (_TempPoint != m_PlayMillisecond) //如果是播放到最后
{
if (PlayRun != null) PlayRun(this, _TempPoint+1); //运行委托
}
else
{
while (true) //一直循环到结束
{
string _Temp = GetPlayMode(); //获取播放类型
if (_Temp == "stopped" || _Temp =="") //如果是停止状态或则退出状态
{
Stop(); //停止播放
if (PlayRun != null) PlayRun(this, m_PlayMillisecond); //执行委托
_MyTime.Enabled = false; //关闭时间控件
break;
}
else
{
Application.DoEvents(); //进行界面处理
}
}
}
_OldIndex = _TempPoint; //设置当前时间为处理后
}
}
[DllImport("kernel32.dll", CharSet = CharSet.Auto)]
private 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);
#region 播放属性
private IList<string> m_SoundPathList = new List<string>();
/// <summary>
/// 播放列表
/// </summary>
public IList<string> SountPathList { get { return m_SoundPathList; } }
/// <summary>
/// 当前播放ID
/// </summary>
private int m_PlayIndex = 0;
/// <summary>
/// 播放索引
/// </summary>
public int PlayIndex { get { return PlayIndex; } }
private int m_PlayMillisecond = 0;
/// <summary>
/// 返回时间总长度
/// </summary>
public int PlayMillisecond { get { return m_PlayMillisecond; } }
/// <summary>
/// 当前播放时间
/// </summary>
public int PlayPoint
{
get
{
string _Temp = "".PadLeft(128, ' ');
int TTT=mciSendString("status ZgkeMedia position", _Temp, 128, 0);
_Temp = _Temp.Trim().Remove(_Temp.Trim().Length - 1, 1);
if (_Temp.Length == 0) return 0;
return Int32.Parse(_Temp);
}
set
{
if (value > m_PlayMillisecond) return;
string _Temp = "".PadLeft(128, ' ');
string _PlayType = GetPlayMode(); //获取播放类型
_Long = mciSendString("Seek ZgkeMedia to " + value.ToString(), _Temp, 128, 0); //暂停文件 //移动到那里
switch (_PlayType)
{
case "playing":
_Long = mciSendString("play ZgkeMedia", _Temp, 128, 0); //继续播放文件
_MyTime.Enabled = true;
break;
default:
break;
}
}
}
/// <summary>
/// 音量
/// </summary>
public int Volume
{
get
{
string _Temp = "".PadLeft(128, ' ');
mciSendString("status ZgkeMedia volume", _Temp, 128, 0);
_Temp = _Temp.Trim().Remove(_Temp.Trim().Length - 1, 1);
if (_Temp.Length == 0) return 0;
return Int32.Parse(_Temp);
}
set
{
string _Temp = "".PadLeft(128, ' ');
mciSendString("setaudio ZgkeMedia volume to " + value.ToString(), _Temp, 128, 0);
}
}
#endregion
/// <summary>
/// API的信息 0为正常
/// </summary>
private int _Long = 0;
/// <summary>
/// 时间控件 WINDOWS.FROM.TIMER 其他的取不到时间
/// </summary>
private Timer _MyTime = new Timer();
public delegate void _PlayRun(Sound sender,int PlayPoint);
public event _PlayRun PlayRun;
/// <summary>
/// 上次记录的时间
/// </summary>
private int _OldIndex = 0;
/// <summary>
/// 添加文件
/// </summary>
/// <param name="FileName">文件路径</param>
public void AddSoundFile(string FileName)
{
m_SoundPathList.Add(FileName);
}
/// <summary>
/// 播放
/// </summary>
public void Play()
{
_MyTime.Enabled = false;
if (m_SoundPathList.Count == 0) return;
string _Temp = GetPlayMode();
switch (_Temp) //根据播放状态设置
{
case "playing":
_MyTime.Enabled = true;
return;
case "paused":
_Temp = "".PadLeft(128, ' ');
_Long = mciSendString("Resume ZgkeMedia", _Temp, 128, 0); //继续播放
_MyTime.Enabled = true;
return;
case "stopped":
_Temp = "".PadLeft(128, ' ');
_Long = mciSendString("play ZgkeMedia", _Temp, 128, 0); //继续播放文件
_MyTime.Enabled = true;
break;
default:
break;
}
string _FilePath = "".PadLeft(260, ' ');
string _W32Path = m_SoundPathList[m_PlayIndex];
int xxx = GetShortPathName(_W32Path, _FilePath, 260);
_FilePath = _FilePath.Trim().Remove(_FilePath.Trim().Length - 1, 1);
string _FileType = GetFileType(_W32Path); //获取文件类型
if (_FileType.Length == 0) return;
switch (_FileType)
{
case "digitalvideo":
PlayMpeg(_FilePath, "MPEGVideo");
break;
default:
PlaySount(_FilePath, _FileType);
break;
}
_MyTime.Enabled = true;
}
/// <summary>
/// 播放声音类型
/// </summary>
private void PlaySount(string _FilePath,string _FileType)
{
string _PlayCommand = "open " + _FilePath + " alias ZgkeMedia type " + _FileType;
string _Temp = "".PadLeft(128, ' ');
_Long = mciSendString(_PlayCommand, _Temp, 128, 0); //初始化音频文件
_Temp = "".PadLeft(128, ' ');
_Long = mciSendString("play ZgkeMedia", _Temp, 128, 0); //播放音频文件
_Temp = "".PadLeft(128, ' ');
_Long = mciSendString("status ZgkeMedia length", _Temp, 128, 0); //获取时间
if (_Temp.Trim().Remove(_Temp.Trim().Length - 1, 1).Length == 0) return;
m_PlayMillisecond = Int32.Parse(_Temp.Trim());
}
/// <summary>
/// 播放AVI类型
/// </summary>
/// <param name="_FilePath"></param>
private void PlayMpeg(string _FilePath,string _FileType)
{
string _PlayCommand = "open " + _FilePath + " alias ZgkeMedia type "+_FileType+" parent " + m_PlayPanel.Handle.ToInt32().ToString() + " style child";
string _Temp = "".PadLeft(128, ' ');
_Long = mciSendString(_PlayCommand, _Temp, 128, 0); //初始化音频文件
//"put AVI 文件名 window at X Y Width Height",
_Temp = "".PadLeft(128, ' ');
_Long = mciSendString("put ZgkeMedia window at 0 0 " + m_PlayPanel.Width.ToString() + " " + m_PlayPanel.Height.ToString(), _Temp, 128, 0); //播放音频文件
_Temp = "".PadLeft(128, ' ');
_Long = mciSendString("play ZgkeMedia", _Temp, 128, 0); //播放音频文件
_Temp = "".PadLeft(128, ' ');
_Long = mciSendString("status ZgkeMedia length", _Temp, 128, 0); //获取时间
if (_Temp.Trim().Remove(_Temp.Trim().Length - 1, 1).Length == 0) return;
m_PlayMillisecond = Int32.Parse(_Temp.Trim());
}
/// <summary>
/// 停止播放
/// </summary>
public void Stop()
{
string _Temp = "".PadLeft(128, ' ');
_Long = mciSendString("close ZgkeMedia", _Temp, 128, 0); //关闭文件
_MyTime.Enabled = false;
}
/// <summary>
/// 暂停
/// </summary>
public void Pause()
{
string _Temp = "".PadLeft(128, ' ');
_Long = mciSendString("pause ZgkeMedia", _Temp, 128, 0); //暂停文件
_MyTime.Enabled = false;
}
/// <summary>
/// 获取文件的播放类型
/// </summary>
/// <param name="FileName">文件</param>
/// <returns>类型</returns>
private string GetFileType(string FileName)
{
string _FilePath = "".PadLeft(260, ' ');
_Long = GetShortPathName(FileName, _FilePath, 260);
_FilePath = _FilePath.Trim().Remove(_FilePath.Trim().Length - 1, 1);
string _Temp = "".PadLeft(128, ' ');
_Long = mciSendString("capability " + _FilePath + " device type", _Temp, 128, 0);
if (_Temp.Length == 0 || _Temp.Trim().Remove(_Temp.Trim().Length - 1, 1).Length == 0)
{
return "digitalvideo";
}
return _Temp.Trim().Remove(_Temp.Trim().Length-1,1);
}
/// <summary>
/// 获取播放状态
/// </summary>
/// <returns></returns>
private string GetPlayMode()
{
string _Temp = "".PadLeft(128, ' ');
mciSendString("status ZgkeMedia mode",_Temp,128,0);
return _Temp.Trim().Remove(_Temp.Trim().Length-1,1);
}
}
}
如果要播放RMVB，则另外需要安装插件。
private void button1_Click(object sender, EventArgs e)
{
if (Temp != null)
{
Temp.Play();
}
else
{
Temp = new Zgke.Media.Sound(panel1);
Temp.PlayRun += new Zgke.Media.Sound._PlayRun(Temp_PlayRun);
openFileDialog1.InitialDirectory = @"C:/temp";
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
string TempFile = openFileDialog1.FileName;
Temp.AddSoundFile(TempFile);
Temp.Play();
}
}
}
void Temp_PlayRun(Zgke.Media.Sound sender, int PlayPoint)
{
this.Invoke((MethodInvoker)delegate { trackBar1.Maximum = sender.PlayMillisecond; trackBar1.Value = PlayPoint; this.Text = PlayPoint.ToString() + "/" + sender.PlayMillisecond.ToString(); });
}
具体类
using System;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Text;
using System.IO ;
using System.Windows.Forms;
namespace Zgke.Media
{
/// <summary>
/// Media 播放类。
/// zgke@sina.com
///
/// </summary>
public class Sound
{
private Panel m_PlayPanel;
public Sound(Panel PanelShow)
{
m_PlayPanel = PanelShow;
_MyTime.Interval = 1;
_MyTime.Tick += new EventHandler(_MyTime_Tick);
PanelShow.SizeChanged += new EventHandler(PanelShow_SizeChanged);
}
/// <summary>
/// 控制大小
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void PanelShow_SizeChanged(object sender, EventArgs e)
{
string _Temp = "".PadLeft(128, ' ');
_Long = mciSendString("put ZgkeMedia window at 0 0 " + m_PlayPanel.Width.ToString() + " " + m_PlayPanel.Height.ToString(), _Temp, 128, 0); //播放音频文件
}
/// <summary>
/// 时间处理
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void _MyTime_Tick(object sender, EventArgs e)
{
int _TempPoint = PlayPoint; //获取当前播放时间
if (_TempPoint != _OldIndex) //如果播放时间是当前获取的时间 不进行处理
{
if (_TempPoint != m_PlayMillisecond) //如果是播放到最后
{
if (PlayRun != null) PlayRun(this, _TempPoint+1); //运行委托
}
else
{
while (true) //一直循环到结束
{
string _Temp = GetPlayMode(); //获取播放类型
if (_Temp == "stopped" || _Temp =="") //如果是停止状态或则退出状态
{
Stop(); //停止播放
if (PlayRun != null) PlayRun(this, m_PlayMillisecond); //执行委托
_MyTime.Enabled = false; //关闭时间控件
break;
}
else
{
Application.DoEvents(); //进行界面处理
}
}
}
_OldIndex = _TempPoint; //设置当前时间为处理后
}
}
[DllImport("kernel32.dll", CharSet = CharSet.Auto)]
private 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);
#region 播放属性
private IList<string> m_SoundPathList = new List<string>();
/// <summary>
/// 播放列表
/// </summary>
public IList<string> SountPathList { get { return m_SoundPathList; } }
/// <summary>
/// 当前播放ID
/// </summary>
private int m_PlayIndex = 0;
/// <summary>
/// 播放索引
/// </summary>
public int PlayIndex { get { return PlayIndex; } }
private int m_PlayMillisecond = 0;
/// <summary>
/// 返回时间总长度
/// </summary>
public int PlayMillisecond { get { return m_PlayMillisecond; } }
/// <summary>
/// 当前播放时间
/// </summary>
public int PlayPoint
{
get
{
string _Temp = "".PadLeft(128, ' ');
int TTT=mciSendString("status ZgkeMedia position", _Temp, 128, 0);
_Temp = _Temp.Trim().Remove(_Temp.Trim().Length - 1, 1);
if (_Temp.Length == 0) return 0;
return Int32.Parse(_Temp);
}
set
{
if (value > m_PlayMillisecond) return;
string _Temp = "".PadLeft(128, ' ');
string _PlayType = GetPlayMode(); //获取播放类型
_Long = mciSendString("Seek ZgkeMedia to " + value.ToString(), _Temp, 128, 0); //暂停文件 //移动到那里
switch (_PlayType)
{
case "playing":
_Long = mciSendString("play ZgkeMedia", _Temp, 128, 0); //继续播放文件
_MyTime.Enabled = true;
break;
default:
break;
}
}
}
/// <summary>
/// 音量
/// </summary>
public int Volume
{
get
{
string _Temp = "".PadLeft(128, ' ');
mciSendString("status ZgkeMedia volume", _Temp, 128, 0);
_Temp = _Temp.Trim().Remove(_Temp.Trim().Length - 1, 1);
if (_Temp.Length == 0) return 0;
return Int32.Parse(_Temp);
}
set
{
string _Temp = "".PadLeft(128, ' ');
mciSendString("setaudio ZgkeMedia volume to " + value.ToString(), _Temp, 128, 0);
}
}
#endregion
/// <summary>
/// API的信息 0为正常
/// </summary>
private int _Long = 0;
/// <summary>
/// 时间控件 WINDOWS.FROM.TIMER 其他的取不到时间
/// </summary>
private Timer _MyTime = new Timer();
public delegate void _PlayRun(Sound sender,int PlayPoint);
public event _PlayRun PlayRun;
/// <summary>
/// 上次记录的时间
/// </summary>
private int _OldIndex = 0;
/// <summary>
/// 添加文件
/// </summary>
/// <param name="FileName">文件路径</param>
public void AddSoundFile(string FileName)
{
m_SoundPathList.Add(FileName);
}
/// <summary>
/// 播放
/// </summary>
public void Play()
{
_MyTime.Enabled = false;
if (m_SoundPathList.Count == 0) return;
string _Temp = GetPlayMode();
switch (_Temp) //根据播放状态设置
{
case "playing":
_MyTime.Enabled = true;
return;
case "paused":
_Temp = "".PadLeft(128, ' ');
_Long = mciSendString("Resume ZgkeMedia", _Temp, 128, 0); //继续播放
_MyTime.Enabled = true;
return;
case "stopped":
_Temp = "".PadLeft(128, ' ');
_Long = mciSendString("play ZgkeMedia", _Temp, 128, 0); //继续播放文件
_MyTime.Enabled = true;
break;
default:
break;
}
string _FilePath = "".PadLeft(260, ' ');
string _W32Path = m_SoundPathList[m_PlayIndex];
int xxx = GetShortPathName(_W32Path, _FilePath, 260);
_FilePath = _FilePath.Trim().Remove(_FilePath.Trim().Length - 1, 1);
string _FileType = GetFileType(_W32Path); //获取文件类型
if (_FileType.Length == 0) return;
switch (_FileType)
{
case "digitalvideo":
PlayMpeg(_FilePath, "MPEGVideo");
break;
default:
PlaySount(_FilePath, _FileType);
break;
}
_MyTime.Enabled = true;
}
/// <summary>
/// 播放声音类型
/// </summary>
private void PlaySount(string _FilePath,string _FileType)
{
string _PlayCommand = "open " + _FilePath + " alias ZgkeMedia type " + _FileType;
string _Temp = "".PadLeft(128, ' ');
_Long = mciSendString(_PlayCommand, _Temp, 128, 0); //初始化音频文件
_Temp = "".PadLeft(128, ' ');
_Long = mciSendString("play ZgkeMedia", _Temp, 128, 0); //播放音频文件
_Temp = "".PadLeft(128, ' ');
_Long = mciSendString("status ZgkeMedia length", _Temp, 128, 0); //获取时间
if (_Temp.Trim().Remove(_Temp.Trim().Length - 1, 1).Length == 0) return;
m_PlayMillisecond = Int32.Parse(_Temp.Trim());
}
/// <summary>
/// 播放AVI类型
/// </summary>
/// <param name="_FilePath"></param>
private void PlayMpeg(string _FilePath,string _FileType)
{
string _PlayCommand = "open " + _FilePath + " alias ZgkeMedia type "+_FileType+" parent " + m_PlayPanel.Handle.ToInt32().ToString() + " style child";
string _Temp = "".PadLeft(128, ' ');
_Long = mciSendString(_PlayCommand, _Temp, 128, 0); //初始化音频文件
//"put AVI 文件名 window at X Y Width Height",
_Temp = "".PadLeft(128, ' ');
_Long = mciSendString("put ZgkeMedia window at 0 0 " + m_PlayPanel.Width.ToString() + " " + m_PlayPanel.Height.ToString(), _Temp, 128, 0); //播放音频文件
_Temp = "".PadLeft(128, ' ');
_Long = mciSendString("play ZgkeMedia", _Temp, 128, 0); //播放音频文件
_Temp = "".PadLeft(128, ' ');
_Long = mciSendString("status ZgkeMedia length", _Temp, 128, 0); //获取时间
if (_Temp.Trim().Remove(_Temp.Trim().Length - 1, 1).Length == 0) return;
m_PlayMillisecond = Int32.Parse(_Temp.Trim());
}
/// <summary>
/// 停止播放
/// </summary>
public void Stop()
{
string _Temp = "".PadLeft(128, ' ');
_Long = mciSendString("close ZgkeMedia", _Temp, 128, 0); //关闭文件
_MyTime.Enabled = false;
}
/// <summary>
/// 暂停
/// </summary>
public void Pause()
{
string _Temp = "".PadLeft(128, ' ');
_Long = mciSendString("pause ZgkeMedia", _Temp, 128, 0); //暂停文件
_MyTime.Enabled = false;
}
/// <summary>
/// 获取文件的播放类型
/// </summary>
/// <param name="FileName">文件</param>
/// <returns>类型</returns>
private string GetFileType(string FileName)
{
string _FilePath = "".PadLeft(260, ' ');
_Long = GetShortPathName(FileName, _FilePath, 260);
_FilePath = _FilePath.Trim().Remove(_FilePath.Trim().Length - 1, 1);
string _Temp = "".PadLeft(128, ' ');
_Long = mciSendString("capability " + _FilePath + " device type", _Temp, 128, 0);
if (_Temp.Length == 0 || _Temp.Trim().Remove(_Temp.Trim().Length - 1, 1).Length == 0)
{
return "digitalvideo";
}
return _Temp.Trim().Remove(_Temp.Trim().Length-1,1);
}
/// <summary>
/// 获取播放状态
/// </summary>
/// <returns></returns>
private string GetPlayMode()
{
string _Temp = "".PadLeft(128, ' ');
mciSendString("status ZgkeMedia mode",_Temp,128,0);
return _Temp.Trim().Remove(_Temp.Trim().Length-1,1);
}
}
}
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