]> git.sesse.net Git - vlc/blob - bin/winvlc.c
Qt: correctly delete callbacks
[vlc] / bin / winvlc.c
1 /*****************************************************************************
2  * winvlc.c: the Windows VLC media player
3  *****************************************************************************
4  * Copyright (C) 1998-2011 the VideoLAN team
5  *
6  * Authors: Vincent Seguin <seguin@via.ecp.fr>
7  *          Samuel Hocevar <sam@zoy.org>
8  *          Gildas Bazin <gbazin@videolan.org>
9  *          Derk-Jan Hartman <hartman at videolan dot org>
10  *          Lots of other people, see the libvlc AUTHORS file
11  *
12  * This program is free software; you can redistribute it and/or modify
13  * it under the terms of the GNU General Public License as published by
14  * the Free Software Foundation; either version 2 of the License, or
15  * (at your option) any later version.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20  * GNU General Public License for more details.
21  *
22  * You should have received a copy of the GNU General Public License
23  * along with this program; if not, write to the Free Software
24  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
25  *****************************************************************************/
26
27 #ifdef HAVE_CONFIG_H
28 # include "config.h"
29 #endif
30
31 #define UNICODE
32 #include <vlc/vlc.h>
33 #include <windows.h>
34
35 #if !defined(UNDER_CE)
36 # ifndef _WIN32_IE
37 #   define  _WIN32_IE 0x501
38 # endif
39 # include <shlobj.h>
40 # include <wininet.h>
41 # define HeapEnableTerminationOnCorruption (HEAP_INFORMATION_CLASS)1
42 # ifndef _WIN64
43 static void check_crashdump(void);
44 LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo);
45 # endif
46 #endif
47
48 #ifndef UNDER_CE
49 static char *FromWide (const wchar_t *wide)
50 {
51     size_t len;
52     len = WideCharToMultiByte (CP_UTF8, 0, wide, -1, NULL, 0, NULL, NULL);
53
54     char *out = (char *)malloc (len);
55     if (out)
56         WideCharToMultiByte (CP_UTF8, 0, wide, -1, out, len, NULL, NULL);
57     return out;
58 }
59 #else
60 static int parse_cmdline (char *line, char ***argvp)
61 {
62     char **argv = malloc (sizeof (char *));
63     int argc = 0;
64
65     while (*line != '\0')
66     {
67         char quote = 0;
68
69         /* Skips white spaces */
70         while (strchr ("\t ", *line))
71             line++;
72         if (!*line)
73             break;
74
75         /* Starts a new parameter */
76         argv = realloc (argv, (argc + 2) * sizeof (char *));
77         if (*line == '"')
78         {
79             quote = '"';
80             line++;
81         }
82         argv[argc++] = line;
83
84     more:
85             while (*line && !strchr ("\t ", *line))
86             line++;
87
88     if (line > argv[argc - 1] && line[-1] == quote)
89         /* End of quoted parameter */
90         line[-1] = 0;
91     else
92         if (*line && quote)
93     {
94         /* Space within a quote */
95         line++;
96         goto more;
97     }
98     else
99         /* End of unquoted parameter */
100         if (*line)
101             *line++ = 0;
102     }
103     argv[argc] = NULL;
104     *argvp = argv;
105     return argc;
106 }
107 #endif
108
109 int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
110 #ifndef UNDER_CE
111                     LPSTR lpCmdLine,
112 #else
113                     LPWSTR lpCmdLine,
114 #endif
115                     int nCmdShow )
116 {
117     int argc;
118
119 #ifndef UNDER_CE
120 #ifdef TOP_BUILDDIR
121     putenv("VLC_PLUGIN_PATH=Z:"TOP_BUILDDIR"/modules");
122 #endif
123
124     HeapSetInformation(NULL, HeapEnableTerminationOnCorruption, NULL, 0);
125
126     /* SetProcessDEPPolicy */
127     HINSTANCE h_Kernel32 = LoadLibraryW(L"kernel32.dll");
128     if(h_Kernel32)
129     {
130         BOOL (WINAPI * mySetProcessDEPPolicy)( DWORD dwFlags);
131         BOOL (WINAPI * mySetDllDirectoryA)(const char* lpPathName);
132 # define PROCESS_DEP_ENABLE 1
133
134         mySetProcessDEPPolicy = (BOOL WINAPI (*)(DWORD))
135                             GetProcAddress(h_Kernel32, "SetProcessDEPPolicy");
136         if(mySetProcessDEPPolicy)
137             mySetProcessDEPPolicy(PROCESS_DEP_ENABLE);
138
139         /* Do NOT load any library from cwd. */
140         mySetDllDirectoryA = (BOOL WINAPI (*)(const char*)) GetProcAddress(h_Kernel32, "SetDllDirectoryA");
141         if(mySetDllDirectoryA)
142             mySetDllDirectoryA("");
143
144         FreeLibrary(h_Kernel32);
145     }
146
147     /* Args */
148     wchar_t **wargv = CommandLineToArgvW (GetCommandLine (), &argc);
149     if (wargv == NULL)
150         return 1;
151
152     char *argv[argc + 3];
153     BOOL crash_handling = TRUE;
154     int j = 0;
155
156     argv[j++] = FromWide( L"--media-library" );
157     argv[j++] = FromWide( L"--no-ignore-config" );
158 #ifdef TOP_SRCDIR
159     argv[j++] = FromWide (L"--data-path=Z:"TOP_SRCDIR"/share");
160 #endif
161     for (int i = 1; i < argc; i++)
162     {
163         if(!wcscmp(wargv[i], L"--no-crashdump"))
164         {
165             crash_handling = FALSE;
166             continue; /* don't give argument to libvlc */
167         }
168
169         argv[j++] = FromWide (wargv[i]);
170     }
171
172     argc = j;
173     argv[argc] = NULL;
174     LocalFree (wargv);
175
176 # ifndef _WIN64
177     /* We don't know how to manage crashes on Win64 yet */
178     if(crash_handling)
179     {
180         check_crashdump();
181         SetUnhandledExceptionFilter(vlc_exception_filter);
182     }
183 # endif
184
185 #else /* UNDER_CE */
186     char **argv, psz_cmdline[wcslen(lpCmdLine) * 4];
187
188     WideCharToMultiByte( CP_UTF8, 0, lpCmdLine, -1,
189                          psz_cmdline, sizeof (psz_cmdline), NULL, NULL );
190
191     argc = parse_cmdline (psz_cmdline, &argv);
192 #endif
193
194     /* Initialize libvlc */
195     libvlc_instance_t *vlc;
196     vlc = libvlc_new (argc, (const char **)argv);
197     if (vlc != NULL)
198     {
199         libvlc_add_intf (vlc, "globalhotkeys,none");
200         libvlc_add_intf (vlc, NULL);
201         libvlc_playlist_play (vlc, -1, 0, NULL);
202         libvlc_wait (vlc);
203         libvlc_release (vlc);
204     }
205
206     for (int i = 0; i < argc; i++)
207         free (argv[i]);
208
209     (void)hInstance; (void)hPrevInstance; (void)lpCmdLine; (void)nCmdShow;
210     return 0;
211 }
212
213 #if !defined( UNDER_CE ) && !defined( _WIN64 )
214 /* Crashdumps handling */
215 static void get_crashdump_path(wchar_t * wdir)
216 {
217     if( S_OK != SHGetFolderPathW( NULL,
218                         CSIDL_APPDATA | CSIDL_FLAG_CREATE,
219                         NULL, SHGFP_TYPE_CURRENT, wdir ) )
220         fprintf( stderr, "Can't open the vlc conf PATH\n" );
221
222     swprintf( wdir+wcslen( wdir ), L"%s", L"\\vlc\\crashdump" );
223 }
224
225 static void check_crashdump()
226 {
227     wchar_t * wdir = (wchar_t *)malloc(sizeof(wchar_t)*MAX_PATH);
228     get_crashdump_path(wdir);
229
230     FILE * fd = _wfopen ( wdir, L"r, ccs=UTF-8" );
231     if( fd )
232     {
233         fclose( fd );
234         int answer = MessageBox( NULL, L"VLC media player just crashed." \
235         " Do you want to send a bug report to the developers team?",
236         L"VLC crash reporting", MB_YESNO);
237
238         if(answer == IDYES)
239         {
240             HINTERNET Hint = InternetOpen(L"VLC Crash Reporter", INTERNET_OPEN_TYPE_PRECONFIG, NULL,NULL,0);
241             if(Hint)
242             {
243                 HINTERNET ftp = InternetConnect(Hint, L"crash.videolan.org", INTERNET_DEFAULT_FTP_PORT,
244                                                 NULL, NULL, INTERNET_SERVICE_FTP, 0, 0);
245                 if(ftp)
246                 {
247                     SYSTEMTIME now;
248                     GetSystemTime(&now);
249                     wchar_t remote_file[MAX_PATH];
250                     swprintf( remote_file, L"/crashs/%04d%02d%02d%02d%02d%02d",now.wYear,
251                             now.wMonth, now.wDay, now.wHour, now.wMinute, now.wSecond  );
252
253                     if( FtpPutFile( ftp, wdir, remote_file, FTP_TRANSFER_TYPE_BINARY, 0) )
254                         MessageBox( NULL, L"Report sent correctly. Thanks a lot for the help.",
255                                     L"Report sent", MB_OK);
256                     else
257                         MessageBox( NULL, L"There was an error while transferring to the FTP server. "\
258                                     "Thanks a lot for the help anyway.",
259                                     L"Report sending failed", MB_OK);
260                     InternetCloseHandle(ftp);
261                 }
262                 else
263                 {
264                     MessageBox( NULL, L"There was an error while connecting to the FTP server. "\
265                                     "Thanks a lot for the help anyway.",
266                                     L"Report sending failed", MB_OK);
267                     fprintf(stderr,"Can't connect to FTP server 0x%08lu\n",
268                             (unsigned long)GetLastError());
269                 }
270                 InternetCloseHandle(Hint);
271             }
272             else
273             {
274                   MessageBox( NULL, L"There was an error while connecting to Internet. "\
275                                     "Thanks a lot for the help anyway.",
276                                     L"Report sending failed", MB_OK);
277             }
278         }
279
280         _wremove(wdir);
281     }
282     free((void *)wdir);
283 }
284
285 /*****************************************************************************
286  * vlc_exception_filter: handles unhandled exceptions, like segfaults
287  *****************************************************************************/
288 LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo)
289 {
290     if(IsDebuggerPresent())
291     {
292         //If a debugger is present, pass the exception to the debugger with EXCEPTION_CONTINUE_SEARCH
293         return EXCEPTION_CONTINUE_SEARCH;
294     }
295     else
296     {
297         fprintf( stderr, "unhandled vlc exception\n" );
298
299         wchar_t * wdir = (wchar_t *)malloc(sizeof(wchar_t)*MAX_PATH);
300         get_crashdump_path(wdir);
301         FILE * fd = _wfopen ( wdir, L"w, ccs=UTF-8" );
302         free((void *)wdir);
303
304         if( !fd )
305         {
306             fprintf( stderr, "\nerror while opening file" );
307             exit( 1 );
308         }
309
310         OSVERSIONINFO osvi;
311         ZeroMemory( &osvi, sizeof(OSVERSIONINFO) );
312         osvi.dwOSVersionInfoSize = sizeof( OSVERSIONINFO );
313         GetVersionEx( &osvi );
314
315         fwprintf( fd, L"[version]\nOS=%d.%d.%d.%d.%s\nVLC=" VERSION_MESSAGE, osvi.dwMajorVersion,
316                                                                osvi.dwMinorVersion,
317                                                                osvi.dwBuildNumber,
318                                                                osvi.dwPlatformId,
319                                                                osvi.szCSDVersion);
320
321         const CONTEXT *const pContext = (const CONTEXT *)lpExceptionInfo->ContextRecord;
322         const EXCEPTION_RECORD *const pException = (const EXCEPTION_RECORD *)lpExceptionInfo->ExceptionRecord;
323         /*No nested exceptions for now*/
324         fwprintf( fd, L"\n\n[exceptions]\n%08x at %08x",pException->ExceptionCode,
325                                                 pException->ExceptionAddress );
326         if( pException->NumberParameters > 0 )
327         {
328             unsigned int i;
329             for( i = 0; i < pException->NumberParameters; i++ )
330                 fwprintf( fd, L" | %08x", pException->ExceptionInformation[i] );
331         }
332
333         fwprintf( fd, L"\n\n[context]\nEDI:%08x\nESI:%08x\n" \
334                     "EBX:%08x\nEDX:%08x\nECX:%08x\nEAX:%08x\n" \
335                     "EBP:%08x\nEIP:%08x\nESP:%08x\n",
336                         pContext->Edi,pContext->Esi,pContext->Ebx,
337                         pContext->Edx,pContext->Ecx,pContext->Eax,
338                         pContext->Ebp,pContext->Eip,pContext->Esp );
339
340         fwprintf( fd, L"\n[stacktrace]\n#EIP|base|module\n" );
341
342         wchar_t module[ 256 ];
343         MEMORY_BASIC_INFORMATION mbi ;
344         VirtualQuery( (DWORD *)pContext->Eip, &mbi, sizeof( mbi ) ) ;
345         HINSTANCE hInstance = mbi.AllocationBase;
346         GetModuleFileName( hInstance, module, 256 ) ;
347         fwprintf( fd, L"%08x|%s\n", pContext->Eip, module );
348
349         DWORD pEbp = pContext->Ebp;
350         DWORD caller = *((DWORD*)pEbp + 1);
351
352         unsigned i_line = 0;
353         do
354         {
355             VirtualQuery( (DWORD *)caller, &mbi, sizeof( mbi ) ) ;
356             HINSTANCE hInstance = mbi.AllocationBase;
357             GetModuleFileName( hInstance, module, 256 ) ;
358             fwprintf( fd, L"%08x|%s\n", caller, module );
359             pEbp = *(DWORD*)pEbp ;
360             caller = *((DWORD*)pEbp + 1) ;
361             i_line++;
362             /*The last EBP points to NULL!*/
363         }while(caller && i_line< 100);
364
365         fclose( fd );
366         fflush( stderr );
367         exit( 1 );
368     }
369 }
370 #endif