1 /*****************************************************************************
2 * specific.c: Win32 specific initilization
3 *****************************************************************************
4 * Copyright (C) 2001-2004, 2010 the VideoLAN team
6 * Authors: Samuel Hocevar <sam@zoy.org>
7 * Gildas Bazin <gbazin@videolan.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
29 #include <vlc_common.h>
30 #include "../libvlc.h"
31 #include <vlc_playlist.h>
34 #include "../config/vlc_getopt.h"
36 #if !defined( UNDER_CE )
39 # include <mmsystem.h>
44 /*****************************************************************************
45 * system_Init: initialize winsock and misc other things.
46 *****************************************************************************/
47 void system_Init( libvlc_int_t
*p_this
, int *pi_argc
, const char *ppsz_argv
[] )
49 VLC_UNUSED( p_this
); VLC_UNUSED( pi_argc
); VLC_UNUSED( ppsz_argv
);
51 MEMORY_BASIC_INFORMATION mbi
;
53 /* Get our full path */
54 char psz_path
[MAX_PATH
];
57 wchar_t psz_wpath
[MAX_PATH
];
58 if( VirtualQuery(system_Init
, &mbi
, sizeof(mbi
) ) )
60 HMODULE hMod
= (HMODULE
) mbi
.AllocationBase
;
61 if( GetModuleFileName( hMod
, psz_wpath
, MAX_PATH
) )
63 WideCharToMultiByte( CP_UTF8
, 0, psz_wpath
, -1,
64 psz_path
, MAX_PATH
, NULL
, NULL
);
66 else psz_path
[0] = '\0';
69 psz_vlc
= strrchr( psz_path
, '\\' );
74 /* remove trailing \.libs from executable dir path if seen,
75 we assume we are running vlc through libtool wrapper in build dir */
76 size_t len
= strlen(psz_path
);
77 if( len
>= 5 && !stricmp(psz_path
+ len
- 5, "\\.libs" ) )
78 psz_path
[len
- 5] = '\0';
81 psz_vlcpath
= strdup( psz_path
);
83 /* Set the default file-translation mode */
84 #if !defined( UNDER_CE )
86 _setmode( _fileno( stdin
), _O_BINARY
); /* Needed for pipes */
91 /* Call mdate() once to make sure it is initialized properly */
94 /* WinSock Library Init. */
95 if( !WSAStartup( MAKEWORD( 2, 2 ), &Data
) )
97 /* Aah, pretty useless check, we should always have Winsock 2.2
98 * since it appeared in Win98. */
99 if( LOBYTE( Data
.wVersion
) != 2 || HIBYTE( Data
.wVersion
) != 2 )
100 /* We could not find a suitable WinSock DLL. */
103 /* Everything went ok. */
107 /* Let's try with WinSock 1.1 */
108 if( !WSAStartup( MAKEWORD( 1, 1 ), &Data
) )
110 /* Confirm that the WinSock DLL supports 1.1.*/
111 if( LOBYTE( Data
.wVersion
) != 1 || HIBYTE( Data
.wVersion
) != 1 )
112 /* We could not find a suitable WinSock DLL. */
115 /* Everything went ok. */
119 fprintf( stderr
, "error: can't initialize WinSocks\n" );
122 /*****************************************************************************
123 * system_Configure: check for system specific configuration options.
124 *****************************************************************************/
125 static unsigned __stdcall
IPCHelperThread( void * );
126 LRESULT CALLBACK
WMCOPYWNDPROC( HWND
, UINT
, WPARAM
, LPARAM
);
127 static vlc_object_t
*p_helper
= NULL
;
128 static unsigned long hIPCHelper
;
129 static HANDLE hIPCHelperReady
;
138 void system_Configure( libvlc_int_t
*p_this
, int i_argc
, const char *const ppsz_argv
[] )
140 #if !defined( UNDER_CE )
141 /* Raise default priority of the current process */
142 #ifndef ABOVE_NORMAL_PRIORITY_CLASS
143 # define ABOVE_NORMAL_PRIORITY_CLASS 0x00008000
145 if( var_InheritBool( p_this
, "high-priority" ) )
147 if( SetPriorityClass( GetCurrentProcess(), ABOVE_NORMAL_PRIORITY_CLASS
)
148 || SetPriorityClass( GetCurrentProcess(), HIGH_PRIORITY_CLASS
) )
150 msg_Dbg( p_this
, "raised process priority" );
154 msg_Dbg( p_this
, "could not raise process priority" );
158 if( var_InheritBool( p_this
, "one-instance" )
159 || ( var_InheritBool( p_this
, "one-instance-when-started-from-file" )
160 && var_InheritBool( p_this
, "started-from-file" ) ) )
164 msg_Info( p_this
, "one instance mode ENABLED");
166 /* Use a named mutex to check if another instance is already running */
167 if( !( hmutex
= CreateMutex( 0, TRUE
, L
"VLC ipc "VERSION
) ) )
169 /* Failed for some reason. Just ignore the option and go on as
171 msg_Err( p_this
, "one instance mode DISABLED "
172 "(mutex couldn't be created)" );
176 if( GetLastError() != ERROR_ALREADY_EXISTS
)
178 /* We are the 1st instance. */
179 static const char typename
[] = "ipc helper";
181 vlc_custom_create( p_this
, sizeof(vlc_object_t
),
182 VLC_OBJECT_GENERIC
, typename
);
184 /* Run the helper thread */
185 hIPCHelperReady
= CreateEvent( NULL
, FALSE
, FALSE
, NULL
);
186 hIPCHelper
= _beginthreadex( NULL
, 0, IPCHelperThread
, p_helper
,
189 WaitForSingleObject( hIPCHelperReady
, INFINITE
);
192 msg_Err( p_this
, "one instance mode DISABLED "
193 "(IPC helper thread couldn't be created)" );
194 vlc_object_release (p_helper
);
197 vlc_object_attach (p_helper
, p_this
);
198 CloseHandle( hIPCHelperReady
);
200 /* Initialization done.
201 * Release the mutex to unblock other instances */
202 ReleaseMutex( hmutex
);
206 /* Another instance is running */
210 /* Wait until the 1st instance is initialized */
211 WaitForSingleObject( hmutex
, INFINITE
);
213 /* Locate the window created by the IPC helper thread of the
215 if( !( ipcwindow
= FindWindow( 0, L
"VLC ipc "VERSION
) ) )
217 msg_Err( p_this
, "one instance mode DISABLED "
218 "(couldn't find 1st instance of program)" );
219 ReleaseMutex( hmutex
);
223 /* We assume that the remaining parameters are filenames
224 * and their input options */
227 COPYDATASTRUCT wm_data
;
229 vlc_ipc_data_t
*p_data
;
230 size_t i_data
= sizeof (*p_data
);
232 for( i_opt
= 0; i_opt
< i_argc
; i_opt
++ )
234 i_data
+= sizeof (size_t);
235 i_data
+= strlen( ppsz_argv
[ i_opt
] ) + 1;
238 p_data
= malloc( i_data
);
239 p_data
->argc
= i_argc
;
240 p_data
->enqueue
= var_InheritBool( p_this
, "playlist-enqueue" );
242 for( i_opt
= 0; i_opt
< i_argc
; i_opt
++ )
244 size_t i_len
= strlen( ppsz_argv
[ i_opt
] ) + 1;
245 /* Windows will never switch to an architecture
246 * with stronger alignment requirements, right. */
247 *((size_t *)(p_data
->data
+ i_data
)) = i_len
;
248 i_data
+= sizeof (size_t);
249 memcpy( &p_data
->data
[i_data
], ppsz_argv
[ i_opt
], i_len
);
252 i_data
+= sizeof (*p_data
);
254 /* Send our playlist items to the 1st instance */
256 wm_data
.cbData
= i_data
;
257 wm_data
.lpData
= p_data
;
258 SendMessage( ipcwindow
, WM_COPYDATA
, 0, (LPARAM
)&wm_data
);
261 /* Initialization done.
262 * Release the mutex to unblock other instances */
263 ReleaseMutex( hmutex
);
266 system_End( p_this
);
274 static unsigned __stdcall
IPCHelperThread( void *data
)
276 vlc_object_t
*p_this
= data
;
281 CreateWindow( L
"STATIC", /* name of window class */
282 L
"VLC ipc "VERSION
, /* window title bar text */
283 0, /* window style */
284 0, /* default X coordinate */
285 0, /* default Y coordinate */
286 0, /* window width */
287 0, /* window height */
288 NULL
, /* no parent window */
289 NULL
, /* no menu in this window */
290 GetModuleHandle(NULL
), /* handle of this program instance */
291 NULL
); /* sent to WM_CREATE */
293 SetWindowLongPtr( ipcwindow
, GWLP_WNDPROC
, (LRESULT
)WMCOPYWNDPROC
);
294 SetWindowLongPtr( ipcwindow
, GWLP_USERDATA
, (LONG_PTR
)p_this
);
296 /* Signal the creation of the thread and events queue */
297 SetEvent( hIPCHelperReady
);
299 while( GetMessage( &message
, NULL
, 0, 0 ) )
301 TranslateMessage( &message
);
302 DispatchMessage( &message
);
307 LRESULT CALLBACK
WMCOPYWNDPROC( HWND hwnd
, UINT uMsg
, WPARAM wParam
,
310 if( uMsg
== WM_QUIT
)
312 PostQuitMessage( 0 );
314 else if( uMsg
== WM_COPYDATA
)
316 COPYDATASTRUCT
*pwm_data
= (COPYDATASTRUCT
*)lParam
;
317 vlc_object_t
*p_this
;
318 playlist_t
*p_playlist
;
320 p_this
= (vlc_object_t
*)
321 (uintptr_t)GetWindowLongPtr( hwnd
, GWLP_USERDATA
);
323 if( !p_this
) return 0;
325 /* Add files to the playlist */
326 p_playlist
= pl_Get( p_this
);
328 if( pwm_data
->lpData
)
331 vlc_ipc_data_t
*p_data
= (vlc_ipc_data_t
*)pwm_data
->lpData
;
333 int i_argc
= p_data
->argc
, i_opt
, i_options
;
335 ppsz_argv
= (char **)malloc( i_argc
* sizeof(char *) );
336 for( i_opt
= 0; i_opt
< i_argc
; i_opt
++ )
338 ppsz_argv
[i_opt
] = p_data
->data
+ i_data
+ sizeof(int);
339 i_data
+= sizeof(int) + *((int *)(p_data
->data
+ i_data
));
342 for( i_opt
= 0; i_opt
< i_argc
; i_opt
++ )
346 /* Count the input options */
347 while( i_opt
+ i_options
+ 1 < i_argc
&&
348 *ppsz_argv
[ i_opt
+ i_options
+ 1 ] == ':' )
353 char *psz_URI
= make_URI( ppsz_argv
[i_opt
], NULL
);
354 playlist_AddExt( p_playlist
, psz_URI
,
355 NULL
, PLAYLIST_APPEND
|
356 ( ( i_opt
|| p_data
->enqueue
) ? 0 : PLAYLIST_GO
),
359 (char const **)( i_options
? &ppsz_argv
[i_opt
+1] : NULL
),
360 VLC_INPUT_OPTION_TRUSTED
,
371 return DefWindowProc( hwnd
, uMsg
, wParam
, lParam
);
374 /*****************************************************************************
375 * system_End: terminate winsock.
376 *****************************************************************************/
377 void system_End( libvlc_int_t
*p_this
)
386 if (p_helper
&& p_helper
->p_parent
== VLC_OBJECT(p_this
) )
388 /* this is the first instance (in a one-instance system)
389 * it is the owner of the helper thread
391 if( ( ipcwindow
= FindWindow( 0, L
"VLC ipc "VERSION
) ) != 0 )
393 SendMessage( ipcwindow
, WM_QUIT
, 0, 0 );
396 /* FIXME: thread-safety... */
397 vlc_object_release (p_helper
);
401 #if !defined( UNDER_CE )