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vlc/bin/winvlc.c

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/*****************************************************************************
* winvlc.c: the Windows VLC player
*****************************************************************************
* Copyright (C) 1998-2008 the VideoLAN team
*
* Authors: Vincent Seguin <seguin@via.ecp.fr>
* Samuel Hocevar <sam@zoy.org>
* Gildas Bazin <gbazin@videolan.org>
* Derk-Jan Hartman <hartman at videolan dot org>
* Lots of other people, see the libvlc AUTHORS file
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#define UNICODE
#include <vlc/vlc.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
#if !defined(UNDER_CE)
# define _WIN32_IE 0x500
# include <shlobj.h>
# include <tlhelp32.h>
# include <wininet.h>
static void check_crashdump();
LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo);
#endif
#ifndef UNDER_CE
static char *FromWide (const wchar_t *wide)
{
size_t len;
len = WideCharToMultiByte (CP_UTF8, 0, wide, -1, NULL, 0, NULL, NULL);
char *out = (char *)malloc (len);
if (out)
WideCharToMultiByte (CP_UTF8, 0, wide, -1, out, len, NULL, NULL);
return out;
}
#else
static int parse_cmdline (char *line, char ***argvp)
{
char **argv = malloc (sizeof (char *));
int argc = 0;
while (*line != '\0')
{
char quote = 0;
/* Skips white spaces */
while (strchr ("\t ", *line))
line++;
if (!*line)
break;
/* Starts a new parameter */
argv = realloc (argv, (argc + 2) * sizeof (char *));
if (*line == '"')
{
quote = '"';
line++;
}
argv[argc++] = line;
more:
while (*line && !strchr ("\t ", *line))
line++;
if (line > argv[argc - 1] && line[-1] == quote)
/* End of quoted parameter */
line[-1] = 0;
else
if (*line && quote)
{
/* Space within a quote */
line++;
goto more;
}
else
/* End of unquoted parameter */
if (*line)
*line++ = 0;
}
argv[argc] = NULL;
*argvp = argv;
return argc;
}
#endif
int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
#ifndef UNDER_CE
LPSTR lpCmdLine,
#else
LPWSTR lpCmdLine,
#endif
int nCmdShow )
{
int argc, ret;
#ifndef UNDER_CE
wchar_t **wargv = CommandLineToArgvW (GetCommandLine (), &argc);
if (wargv == NULL)
return 1;
char *argv[argc + 1];
BOOL crash_handling = TRUE;
int j = 0;
for (int i = 0; i < argc; i++)
{
if(!wcscmp(wargv[i], L"--no-crashdump"))
{
crash_handling = FALSE;
}
else
{
argv[j] = FromWide (wargv[i]);
j++;
}
}
argc = j;
argv[argc] = NULL;
LocalFree (wargv);
if(crash_handling)
{
check_crashdump();
SetUnhandledExceptionFilter(vlc_exception_filter);
}
#else
char **argv, psz_cmdline[wcslen(lpCmdLine) * 4];
WideCharToMultiByte( CP_UTF8, 0, lpCmdLine, -1,
psz_cmdline, sizeof (psz_cmdline), NULL, NULL );
argc = parse_cmdline (psz_cmdline, &argv);
#endif
libvlc_exception_t ex, dummy;
libvlc_exception_init (&ex);
libvlc_exception_init (&dummy);
/* Initialize libvlc */
libvlc_instance_t *vlc;
vlc = libvlc_new (argc - 1, (const char **)argv + 1, &ex);
if (vlc != NULL)
{
libvlc_add_intf (vlc, "globalhotkeys,none", &ex);
libvlc_add_intf (vlc, NULL, &ex);
libvlc_playlist_play (vlc, -1, 0, NULL, &dummy);
libvlc_wait (vlc);
libvlc_release (vlc);
}
ret = libvlc_exception_raised (&ex);
libvlc_exception_clear (&ex);
libvlc_exception_clear (&dummy);
for (int i = 0; i < argc; i++)
free (argv[i]);
(void)hInstance; (void)hPrevInstance; (void)lpCmdLine; (void)nCmdShow;
return ret;
}
#if !defined( UNDER_CE )
static void get_crashdump_path(wchar_t * wdir)
{
if( S_OK != SHGetFolderPathW( NULL,
CSIDL_APPDATA | CSIDL_FLAG_CREATE,
NULL, SHGFP_TYPE_CURRENT, wdir ) )
fprintf( stderr, "Can't open the vlc conf PATH\n" );
swprintf( wdir+wcslen( wdir ), L"%s", L"\\vlc\\crashdump" );
}
static void check_crashdump()
{
wchar_t * wdir = (wchar_t *)malloc(sizeof(wchar_t)*MAX_PATH);
get_crashdump_path(wdir);
FILE * fd = _wfopen ( wdir, L"r, ccs=UTF-8" );
if( fd )
{
fclose( fd );
int answer = MessageBox( NULL, L"VLC media player just crashed." \
" Do you want to send a bug report to the developers team?",
L"VLC crash reporting", MB_YESNO);
if(answer == IDYES)
{
HINTERNET Hint = InternetOpen(L"VLC Crash Reporter", INTERNET_OPEN_TYPE_PRECONFIG, NULL,NULL,0);
if(Hint)
{
HINTERNET ftp = InternetConnect(Hint, L"crash.videolan.org", INTERNET_DEFAULT_FTP_PORT,
NULL, NULL, INTERNET_SERVICE_FTP, 0, 0);
if(ftp)
{
SYSTEMTIME now;
GetSystemTime(&now);
wchar_t remote_file[MAX_PATH];
swprintf( remote_file, L"/crashs/%04d%02d%02d%02d%02d%02d",now.wYear,
now.wMonth, now.wDay, now.wHour, now.wMinute, now.wSecond );
FtpPutFile( ftp, wdir, remote_file, FTP_TRANSFER_TYPE_BINARY, 0);
InternetCloseHandle(ftp);
}
else
fprintf(stderr,"Can't connect to FTP server%d\n",GetLastError());
InternetCloseHandle(Hint);
}
}
_wremove(wdir);
}
free((void *)wdir);
}
/*****************************************************************************
* vlc_exception_filter: handles unhandled exceptions, like segfaults
*****************************************************************************/
LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo)
{
if(IsDebuggerPresent())
{
//If a debugger is present, pass the exception to the debugger with EXCEPTION_CONTINUE_SEARCH
return EXCEPTION_CONTINUE_SEARCH;
}
else
{
fprintf( stderr, "unhandled vlc exception\n" );
wchar_t * wdir = (wchar_t *)malloc(sizeof(wchar_t)*MAX_PATH);
get_crashdump_path(wdir);
FILE * fd = _wfopen ( wdir, L"w, ccs=UTF-8" );
free((void *)wdir);
if( !fd )
{
fprintf( stderr, "\nerror while opening file" );
exit( 1 );
}
OSVERSIONINFO osvi;
ZeroMemory( &osvi, sizeof(OSVERSIONINFO) );
osvi.dwOSVersionInfoSize = sizeof( OSVERSIONINFO );
GetVersionEx( &osvi );
fwprintf( fd, L"[version]\nOS=%d.%d.%d.%d.%s\nVLC=" VERSION_MESSAGE, osvi.dwMajorVersion,
osvi.dwMinorVersion,
osvi.dwBuildNumber,
osvi.dwPlatformId,
osvi.szCSDVersion);
const CONTEXT *const pContext = (const CONTEXT *)lpExceptionInfo->ContextRecord;
const EXCEPTION_RECORD *const pException = (const EXCEPTION_RECORD *)lpExceptionInfo->ExceptionRecord;
/*No nested exceptions for now*/
fwprintf( fd, L"\n\n[exceptions]\n%08x at %08x",pException->ExceptionCode,
pException->ExceptionAddress );
if( pException->NumberParameters > 0 )
{
unsigned int i;
for( i = 0; i < pException->NumberParameters; i++ )
fprintf( fd, " | %08x", pException->ExceptionInformation[i] );
}
fwprintf( fd, L"\n\n[context]\nEDI:%08x\nESI:%08x\n" \
"EBX:%08x\nEDX:%08x\nECX:%08x\nEAX:%08x\n" \
"EBP:%08x\nEIP:%08x\nESP:%08x\n",
pContext->Edi,pContext->Esi,pContext->Ebx,
pContext->Edx,pContext->Ecx,pContext->Eax,
pContext->Ebp,pContext->Eip,pContext->Esp );
fwprintf( fd, L"\n[stacktrace]\n#EIP|base|module\n" );
wchar_t module[ 256 ];
MEMORY_BASIC_INFORMATION mbi ;
VirtualQuery( (DWORD *)pContext->Eip, &mbi, sizeof( mbi ) ) ;
HINSTANCE hInstance = mbi.AllocationBase;
GetModuleFileName( hInstance, module, 256 ) ;
fwprintf( fd, L"%08x|%s\n", pContext->Eip, module );
DWORD pEbp = pContext->Ebp;
DWORD caller = *((DWORD*)pEbp + 1);
do
{
VirtualQuery( (DWORD *)caller, &mbi, sizeof( mbi ) ) ;
HINSTANCE hInstance = mbi.AllocationBase;
GetModuleFileName( hInstance, module, 256 ) ;
fwprintf( fd, L"%08x|%s\n", caller, module );
pEbp = *(DWORD*)pEbp ;
caller = *((DWORD*)pEbp + 1) ;
/*The last EBP points to NULL!*/
}while(caller);
fclose( fd );
fflush( stderr );
exit( 1 );
}
}
#endif
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