protected override void WndProc(ref Message ThisMsg)
{
if (ThisMsg.Msg == WM_COPYDATA)
{
COPYDATASTRUCT mystr = new COPYDATASTRUCT();
Type mytype = mystr.GetType();
mystr = (COPYDATASTRUCT)ThisMsg.GetLParam(mytype);
string msg = GetMPCCommand((MPCAPI_COMMAND)mystr.dwData);
string param = GetMPCCommandParamStr((MPCAPI_COMMAND)mystr.dwData, mystr.lpData);
Debug.WriteLine(msg + " " + param);
MPCAPI_COMMAND command = (MPCAPI_COMMAND)mystr.dwData.ToInt32();
switch (command)
{
case MPCAPI_COMMAND.CMD_CONNECT:
MediaPlayerHandle = Convert.ToInt32(mystr.lpData);
NotifyConnected();
break;
case MPCAPI_COMMAND.CMD_STATE:
MPC_LOADSTATE loadState = (MPC_LOADSTATE)int.Parse(mystr.lpData);
switch (loadState)
{
case MPC_LOADSTATE.MLS_CLOSED:
VideoFileName = "";
VideoDurationMs = 0;
VideoCurrentlyPlaying = false;
VideoCurrentlyOpen = false;
NotifyClosed();
break;
case MPC_LOADSTATE.MLS_LOADING:
NotifyLoading();
break;
case MPC_LOADSTATE.MLS_LOADED:
VideoCurrentlyOpen = true;
PausedPositionMs = 0;
NotifyLoaded();
// SendGetNowPlaying(); // request title info
break;
case MPC_LOADSTATE.MLS_CLOSING:
VideoCurrentlyPlaying = false;
NotifyClosing();
break;
default:
break;
}
break;
case MPCAPI_COMMAND.CMD_PLAYMODE:
MPC_PLAYSTATE playState = (MPC_PLAYSTATE)int.Parse(mystr.lpData);
switch (playState)
{
case MPC_PLAYSTATE.PS_PLAY:
VideoCurrentlyPlaying = true;
LastReportedPositionMs = -1; // invalidate the reported position; paused position is better for now
ResyncTime();
NotifyPlay();
break;
case MPC_PLAYSTATE.PS_PAUSE:
PausedPositionMs = CurrentPositionMs; // set the paused position
VideoCurrentlyPlaying = false;
SendGetCurrentPosition();
NotifyPause();
break;
case MPC_PLAYSTATE.PS_STOP:
VideoCurrentlyPlaying = false;
PausedPositionMs = 0;
NotifyStop();
break;
case MPC_PLAYSTATE.PS_UNUSED:
break;
default:
break;
}
break;
case MPCAPI_COMMAND.CMD_NOWPLAYING:
// Par 1 : title
// Par 2 : author
// Par 3 : description
// Par 4 : complete filename (path included)
// Par 5 : duration in seconds
string[] parms = mystr.lpData.Split('|');
int duration = (int)(double.Parse(parms[4]) * 1000);
VideoFileName = System.IO.Path.GetFileName(parms[3]);
VideoDurationMs = duration;
NotifyNowPlaying(parms[0], parms[1], parms[2], parms[3], duration);
ResyncTime();
break;
case MPCAPI_COMMAND.CMD_LISTSUBTITLETRACKS:
break;
case MPCAPI_COMMAND.CMD_LISTAUDIOTRACKS:
break;
case MPCAPI_COMMAND.CMD_CURRENTPOSITION:
{
try
{
int currentPos = int.Parse(mystr.lpData) * 1000;
ContinueResync(currentPos);
}
catch
{
LastReportedPositionMs = (int)(double.Parse(mystr.lpData) * 1000);
LastReportedDateTime = DateTime.UtcNow;
PausedPositionMs = LastReportedPositionMs;
needToDoResyncs = false;
}
}
break;
case MPCAPI_COMMAND.CMD_NOTIFYSEEK:
{
try
{
int currentPos = int.Parse(mystr.lpData) * 1000;
LastReportedDateTime = DateTime.UtcNow;
LastReportedPositionMs = currentPos;
PausedPositionMs = currentPos;
ResyncTime();
}
catch
{
LastReportedPositionMs = (int)(float.Parse(mystr.lpData) * 1000);
LastReportedDateTime = DateTime.UtcNow;
PausedPositionMs = LastReportedPositionMs;
needToDoResyncs = false;
}
}
break;
case MPCAPI_COMMAND.CMD_NOTIFYENDOFSTREAM:
break;
case MPCAPI_COMMAND.CMD_PLAYLIST:
break;
case MPCAPI_COMMAND.CMD_DISCONNECT:
VideoFileName = "";
VideoDurationMs = 0;
VideoCurrentlyPlaying = false;
VideoCurrentlyOpen = false;
MediaPlayerHandle = 0;
NotifyDisconnected();
break;
default:
Debug.WriteLine("Unhandled Command");
break;
}
return;
}
base.WndProc(ref ThisMsg);
}
public string GetMPCCommandParamStr(MPCAPI_COMMAND cmd, string lpData)
{
string param;
if (lpData == null)
{
param = "(none)";
}
else
{
switch (cmd)
{
case MPCAPI_COMMAND.CMD_STATE:
MPC_LOADSTATE loadState = (MPC_LOADSTATE)int.Parse(lpData);
switch (loadState)
{
case MPC_LOADSTATE.MLS_CLOSED:
param = "MLS_CLOSED";
break;
case MPC_LOADSTATE.MLS_LOADING:
param = "MLS_LOADING";
break;
case MPC_LOADSTATE.MLS_LOADED:
param = "MLS_LOADED";
break;
case MPC_LOADSTATE.MLS_CLOSING:
param = "MLS_CLOSING";
break;
default:
param = "Unknown MPC_LOADSTATE: " + lpData;
break;
}
break;
case MPCAPI_COMMAND.CMD_PLAYMODE:
MPC_PLAYSTATE playState = (MPC_PLAYSTATE)int.Parse(lpData);
switch (playState)
{
case MPC_PLAYSTATE.PS_PLAY:
param = "PS_PLAY";
break;
case MPC_PLAYSTATE.PS_PAUSE:
param = "PS_PAUSE";
break;
case MPC_PLAYSTATE.PS_STOP:
param = "PS_STOP";
break;
case MPC_PLAYSTATE.PS_UNUSED:
param = "PS_UNUSED";
break;
default:
param = "Unknown MPC_PLAYSTATE: " + lpData;
break;
}
break;
default:
param = lpData;
break;
}
}
return(param);
}
private void SendCommand(MPCAPI_COMMAND command, string p)
{
IntPtr lpData = Marshal.StringToCoTaskMemAuto(p);
COPYDATASTRUCT cds;
cds.dwData = new UIntPtr((uint) command);
cds.lpData = lpData;
cds.cbData = p.Length * Marshal.SystemDefaultCharSize;
if (Handle == null)
throw new InvalidOperationException("Unexpected Command: MPC not connected");
User32Dll.SendMessage((IntPtr) Handle, (uint) WM.COPYDATA, _wHandle, ref cds);
}
public string GetMPCCommand(MPCAPI_COMMAND cmd)
{
string name;
switch (cmd)
{
case MPCAPI_COMMAND.CMD_CONNECT:
name = "CMD_CONNECT";
break;
case MPCAPI_COMMAND.CMD_STATE:
name = "CMD_STATE";
break;
case MPCAPI_COMMAND.CMD_PLAYMODE:
name = "CMD_PLAYMODE";
break;
case MPCAPI_COMMAND.CMD_NOWPLAYING:
name = "CMD_NOWPLAYING";
break;
case MPCAPI_COMMAND.CMD_LISTSUBTITLETRACKS:
name = "CMD_LISTSUBTITLETRACKS";
break;
case MPCAPI_COMMAND.CMD_LISTAUDIOTRACKS:
name = "CMD_LISTAUDIOTRACKS";
break;
case MPCAPI_COMMAND.CMD_CURRENTPOSITION:
name = "CMD_CURRENTPOSITION";
break;
case MPCAPI_COMMAND.CMD_NOTIFYSEEK:
name = "CMD_NOTIFYSEEK";
break;
case MPCAPI_COMMAND.CMD_NOTIFYENDOFSTREAM:
name = "CMD_NOTIFYENDOFSTREAM";
break;
case MPCAPI_COMMAND.CMD_VERSION:
name = "CMD_VERSION";
break;
case MPCAPI_COMMAND.CMD_PLAYLIST:
name = "CMD_PLAYLIST";
break;
case MPCAPI_COMMAND.CMD_DISCONNECT:
name = "CMD_DISCONNECT";
break;
default:
name = String.Format("Unknown Command: 0x{0:X8}", (int)cmd);
break;
}
return(name);
}
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);
}
