/// <summary>
/// Send a command to MPC-HC
/// </summary>
/// <param name="nCmd">Command to send.</param>
/// <param name="strCmd">Some commands require a parameter.</param>
private void SendData(MPCAPI_SENDCOMMAND nCmd, string strCmd)
{
WinAPI.COPYDATASTRUCT nCDS;
if (nCmd == MPCAPI_SENDCOMMAND.CMD_OSDSHOWMESSAGE)
{
MPC_OSDDATA osdData = new MPC_OSDDATA
{
nMsgPos = (int)m_OSDMSGPos,
nDurationMS = m_OSDMSGDur,
strMsg = strCmd
};
nCDS = new WinAPI.COPYDATASTRUCT
{
dwData = (IntPtr)(int)nCmd,
cbData = Marshal.SizeOf(osdData)
};
nCDS.lpData = Marshal.AllocCoTaskMem(nCDS.cbData);
Marshal.StructureToPtr(osdData, nCDS.lpData, false);
}
else
{
nCDS = new WinAPI.COPYDATASTRUCT
{
dwData = (IntPtr)(int)nCmd,
cbData = (strCmd.Length + 1) * 2,
lpData = Marshal.StringToCoTaskMemUni(strCmd)
};
}
IntPtr cdsPtr = Marshal.AllocCoTaskMem(Marshal.SizeOf(nCDS));
Marshal.StructureToPtr(nCDS, cdsPtr, false);
WinAPI.SendMessage(m_hWndMPC, WinAPI.WM_COPYDATA, m_hWnd, cdsPtr);
Marshal.FreeCoTaskMem(cdsPtr);
Marshal.FreeCoTaskMem(nCDS.lpData);
}
private unsafe IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
if (msg == WinAPI.WM_COPYDATA)
{
WinAPI.COPYDATASTRUCT cds = (WinAPI.COPYDATASTRUCT)Marshal.PtrToStructure(lParam, typeof(WinAPI.COPYDATASTRUCT));
if (cds.cbData > 0)
{
MPCAPI_COMMAND nCmd = (MPCAPI_COMMAND)cds.dwData;
string mpcMSG = new String((char *)cds.lpData, 0, cds.cbData / 2 - 1);
switch (nCmd)
{
case MPCAPI_COMMAND.CMD_CONNECT:
isHooked = true;
m_hWndMPC = new IntPtr(int.Parse(mpcMSG));
break;
case MPCAPI_COMMAND.CMD_CURRENTPOSITION:
case MPCAPI_COMMAND.CMD_NOTIFYSEEK:
m_currentFilePosition = double.Parse(mpcMSG);
if (!m_currentFileWatched && m_watchedWhen == MPC_WATCHED.DURING_TICKS &&
m_currentFileTick > m_currentFileLength * m_watchedWhenPerc)
{
OnFileWatched(this, new FileWatchedArgs(m_currentFilePath));
m_currentFileWatched = true;
m_PlayTimer.Stop();
}
break;
case MPCAPI_COMMAND.CMD_NOWPLAYING:
string[] playing = mpcMSG.Split('|');
m_currentFileTitle = !string.IsNullOrWhiteSpace(playing[0]) ? playing[0] : System.IO.Path.GetFileName(playing[3]);
m_currentFilePath = playing[3];
m_currentFileLength = double.Parse(playing[4]);
m_currentFileWatched = false;
m_currentFilePosition = m_currentFileTick = 0;
LoadConfig();
SetTitle();
break;
case MPCAPI_COMMAND.CMD_PLAYMODE:
m_currentPlayState = (MPC_PLAYSTATE)int.Parse(mpcMSG);
SetTitle();
switch (m_currentPlayState)
{
case MPC_PLAYSTATE.PS_PLAY:
if (!m_currentFileWatched)
{
m_PlayTimer.IsEnabled = true;
}
break;
case MPC_PLAYSTATE.PS_PAUSE:
case MPC_PLAYSTATE.PS_STOP:
m_PlayTimer.IsEnabled = false;
break;
}
break;
case MPCAPI_COMMAND.CMD_STATE:
MPC_LOADSTATE mpcLS = (MPC_LOADSTATE)int.Parse(mpcMSG);
switch (mpcLS)
{
case MPC_LOADSTATE.MLS_CLOSED:
IsMPCAlive();
break;
case MPC_LOADSTATE.MLS_CLOSING:
if (m_watchedWhen == MPC_WATCHED.AFTER_FINISHED && !m_currentFileWatched &&
m_currentFileTick > m_currentFileLength * m_watchedWhenPerc)
{
OnFileWatched(this, new FileWatchedArgs(m_currentFilePath));
m_currentFileWatched = true;
m_PlayTimer.Stop();
}
break;
}
break;
}
}
handled = true;
}
else
{
handled = false;
}
return(IntPtr.Zero);
}