/// <summary>
/// 暂停
/// </summary>
public void Puase()
{
if (m.State == PlayState.Playing)
{
WAPI.mciSendString("Pause Media", null, 0, 0);
m.State = PlayState.Puased;
}
}
/// <summary>
/// 停止
/// </summary>
public void Stop()
{
if (m.State != PlayState.Stopped)
{
WAPI.mciSendString("Stop Media", null, 0, 0);
m.State = PlayState.Stopped;
}
}
/// <summary>
/// 播放
/// </summary>
public void Play()
{
if (m.State != PlayState.Playing)
{
WAPI.mciSendString("Play Media", null, 0, 0);
m.State = PlayState.Playing;
}
}
/// <summary>
/// 设备初始化
/// </summary>
private void InitDevice()
{
string DeviceID = GetDeviceID(Url); //返回类型
WAPI.mciSendString("Close All", null, 0, 0); //关闭所有设备
if (DeviceID != "RealPlay")
{
string MciCommand = String.Format("Open {0} type {1} Alias Media", Url, DeviceID);
WAPI.mciSendString(MciCommand, null, 0, 0);//初始化设备
m.State = PlayState.Stopped;
}
}
private int GetDuration()
{
string Length = string.Empty;
Length = Length.PadLeft(20, ' ');//设置定长字符串long是19位,足够表示时间了
WAPI.mciSendString("Status Media Length", Length, Length.Length, 0);
Length = Length.Trim();
if (Length.Length > 1)
{
Length = Length.Substring(0, Length.Length - 1);
return((int)(long.Parse(Length) / 1000));
}
return(0);
}
/// <summary>
/// 设备是否准备就绪
/// </summary>
/// <returns></returns>
public bool IsReady()
{
string Ready = new string(' ', 10);
WAPI.mciSendString("Status Media Ready", Ready, Ready.Length, 0);
Ready = Ready.Trim();
if (Ready.Contains("true"))
{
return(true);
}
else
{
return(false);
}
}
//设置静音
public void VolumeOff(bool IsOff)
{
string SetOnOff = string.Empty;
if (IsOff)
{
SetOnOff = "Off";
}
else
{
SetOnOff = "On";
}
string MciCommand = String.Format("Set Audio Media {0}", SetOnOff);
WAPI.mciSendString(MciCommand, null, 0, 0);
}
/// <summary>
/// 恢复播放
/// </summary>
public void Resume()
{
int RefInt = WAPI.mciSendString("Resume Media", null, 0, 0);
m.State = PlayState.Playing;
}
