/*****************************************************************************
* win32_specific.c: Win32 specific features
*****************************************************************************
- * Copyright (C) 2001 VideoLAN
- * $Id: win32_specific.c,v 1.24 2003/07/31 21:46:37 gbazin Exp $
+ * Copyright (C) 2001-2004 the VideoLAN team
+ * $Id$
*
* Authors: Samuel Hocevar <sam@zoy.org>
- * Gildas Bazin <gbazin@netcourrier.com>
+ * Gildas Bazin <gbazin@videolan.org>
*
* 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
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
-#include <string.h> /* strdup() */
-#include <stdlib.h> /* free() */
-#include <vlc/vlc.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#define UNICODE
+#include <vlc_common.h>
+#include "../libvlc.h"
+#include <vlc_playlist.h>
+#include <vlc_charset.h>
+
+#include "../extras/getopt.h"
#if !defined( UNDER_CE )
+# include <io.h>
# include <fcntl.h>
-# include <winsock2.h>
+# include <mmsystem.h>
#endif
+#include <winsock.h>
+
/*****************************************************************************
* system_Init: initialize winsock and misc other things.
*****************************************************************************/
-void system_Init( vlc_t *p_this, int *pi_argc, char *ppsz_argv[] )
+void system_Init( libvlc_int_t *p_this, int *pi_argc, const char *ppsz_argv[] )
{
-#if !defined( UNDER_CE )
+ VLC_UNUSED( p_this ); VLC_UNUSED( pi_argc ); VLC_UNUSED( ppsz_argv );
WSADATA Data;
/* Get our full path */
- if( ppsz_argv[0] )
+ char psz_path[MAX_PATH];
+ char *psz_vlc;
+
+ wchar_t psz_wpath[MAX_PATH];
+ if( GetModuleFileName( NULL, psz_wpath, MAX_PATH ) )
{
- char psz_path[MAX_PATH];
- char *psz_vlc;
+ WideCharToMultiByte( CP_ACP, 0, psz_wpath, -1,
+ psz_path, MAX_PATH, NULL, NULL );
+ }
+ else psz_path[0] = '\0';
- GetFullPathName( ppsz_argv[0], MAX_PATH, psz_path, &psz_vlc );
+ if( (psz_vlc = strrchr( psz_path, '\\' )) ) *psz_vlc = '\0';
- if( psz_vlc > psz_path && psz_vlc[-1] == '\\' )
- {
- psz_vlc[-1] = '\0';
- p_this->p_libvlc->psz_vlcpath = strdup( psz_path );
- }
- else
+#ifndef HAVE_RELEASE
+ {
+ /* remove trailing \.libs from executable dir path if seen,
+ we assume we are running vlc through libtool wrapper in build dir */
+ int offset = strlen(psz_path)-sizeof("\\.libs")+1;
+ if( offset > 0 )
{
- p_this->p_libvlc->psz_vlcpath = strdup( "" );
+ psz_vlc = psz_path+offset;
+ if( ! strcmp(psz_vlc, "\\.libs") ) *psz_vlc = '\0';
}
}
- else
- {
- p_this->p_libvlc->psz_vlcpath = strdup( "" );
- }
+#endif
+
+ psz_vlcpath = strdup( psz_path );
/* Set the default file-translation mode */
+#if !defined( UNDER_CE )
_fmode = _O_BINARY;
_setmode( _fileno( stdin ), _O_BINARY ); /* Needed for pipes */
+ timeBeginPeriod(5);
+#endif
+
+ /* Call mdate() once to make sure it is initialized properly */
+ mdate();
+
/* WinSock Library Init. */
- if( !WSAStartup( MAKEWORD( 2, 0 ), &Data ) )
+ if( !WSAStartup( MAKEWORD( 2, 2 ), &Data ) )
{
- /* Confirm that the WinSock DLL supports 2.0.*/
- if( LOBYTE( Data.wVersion ) != 2 || HIBYTE( Data.wVersion ) != 0 )
- {
+ /* Aah, pretty useless check, we should always have Winsock 2.2
+ * since it appeared in Win98. */
+ if( LOBYTE( Data.wVersion ) != 2 || HIBYTE( Data.wVersion ) != 2 )
/* We could not find a suitable WinSock DLL. */
WSACleanup( );
- }
else
- {
/* Everything went ok. */
return;
- }
}
/* Let's try with WinSock 1.1 */
{
/* Confirm that the WinSock DLL supports 1.1.*/
if( LOBYTE( Data.wVersion ) != 1 || HIBYTE( Data.wVersion ) != 1 )
- {
/* We could not find a suitable WinSock DLL. */
WSACleanup( );
- }
else
- {
/* Everything went ok. */
return;
- }
}
fprintf( stderr, "error: can't initialize WinSocks\n" );
-
- return;
-
-#endif
}
/*****************************************************************************
* system_Configure: check for system specific configuration options.
*****************************************************************************/
-void system_Configure( vlc_t *p_this )
+static unsigned __stdcall IPCHelperThread( void * );
+LRESULT CALLBACK WMCOPYWNDPROC( HWND, UINT, WPARAM, LPARAM );
+static vlc_object_t *p_helper = NULL;
+static unsigned long hIPCHelper;
+static HANDLE hIPCHelperReady;
+
+typedef struct
{
-#if !defined( UNDER_CE )
- p_this->p_libvlc->b_fast_mutex = config_GetInt( p_this, "fast-mutex" );
- p_this->p_libvlc->i_win9x_cv = config_GetInt( p_this, "win9x-cv-method" );
+ int argc;
+ int enqueue;
+ char data[];
+} vlc_ipc_data_t;
+void system_Configure( libvlc_int_t *p_this, int *pi_argc, const char *ppsz_argv[] )
+{
+#if !defined( UNDER_CE )
/* Raise default priority of the current process */
#ifndef ABOVE_NORMAL_PRIORITY_CLASS
# define ABOVE_NORMAL_PRIORITY_CLASS 0x00008000
#endif
- if( config_GetInt( p_this, "high-priority" ) &&
- !SetPriorityClass( GetCurrentProcess(),
- ABOVE_NORMAL_PRIORITY_CLASS ) )
+ if( config_GetInt( p_this, "high-priority" ) )
{
- if( !SetPriorityClass( GetCurrentProcess(),
- HIGH_PRIORITY_CLASS ) )
- msg_Dbg( p_this, "can't raise process priority" );
- else
+ if( SetPriorityClass( GetCurrentProcess(), ABOVE_NORMAL_PRIORITY_CLASS )
+ || SetPriorityClass( GetCurrentProcess(), HIGH_PRIORITY_CLASS ) )
+ {
msg_Dbg( p_this, "raised process priority" );
+ }
+ else
+ {
+ msg_Dbg( p_this, "could not raise process priority" );
+ }
}
- else
- msg_Dbg( p_this, "raised process priority" );
+
+ if( config_GetInt( p_this, "one-instance" )
+ || ( config_GetInt( p_this, "one-instance-when-started-from-file" )
+ && config_GetInt( p_this, "started-from-file" ) ) )
+ {
+ HANDLE hmutex;
+
+ msg_Info( p_this, "one instance mode ENABLED");
+
+ /* Use a named mutex to check if another instance is already running */
+ if( !( hmutex = CreateMutex( 0, TRUE, L"VLC ipc "VERSION ) ) )
+ {
+ /* Failed for some reason. Just ignore the option and go on as
+ * normal. */
+ msg_Err( p_this, "one instance mode DISABLED "
+ "(mutex couldn't be created)" );
+ return;
+ }
+
+ if( GetLastError() != ERROR_ALREADY_EXISTS )
+ {
+ /* We are the 1st instance. */
+ static const char typename[] = "ipc helper";
+ p_helper =
+ vlc_custom_create( p_this, sizeof(vlc_object_t),
+ VLC_OBJECT_GENERIC, typename );
+
+ /* Run the helper thread */
+ hIPCHelperReady = CreateEvent( NULL, FALSE, FALSE, NULL );
+ hIPCHelper = _beginthreadex( NULL, 0, IPCHelperThread, p_helper,
+ 0, NULL );
+ if( hIPCHelper )
+ WaitForSingleObject( hIPCHelperReady, INFINITE );
+ else
+ {
+ msg_Err( p_this, "one instance mode DISABLED "
+ "(IPC helper thread couldn't be created)" );
+ vlc_object_release (p_helper);
+ p_helper = NULL;
+ }
+ vlc_object_attach (p_helper, p_this);
+ CloseHandle( hIPCHelperReady );
+
+ /* Initialization done.
+ * Release the mutex to unblock other instances */
+ ReleaseMutex( hmutex );
+ }
+ else
+ {
+ /* Another instance is running */
+
+ HWND ipcwindow;
+
+ /* Wait until the 1st instance is initialized */
+ WaitForSingleObject( hmutex, INFINITE );
+
+ /* Locate the window created by the IPC helper thread of the
+ * 1st instance */
+ if( !( ipcwindow = FindWindow( 0, L"VLC ipc "VERSION ) ) )
+ {
+ msg_Err( p_this, "one instance mode DISABLED "
+ "(couldn't find 1st instance of program)" );
+ ReleaseMutex( hmutex );
+ return;
+ }
+
+ /* We assume that the remaining parameters are filenames
+ * and their input options */
+ if( *pi_argc - 1 >= optind )
+ {
+ COPYDATASTRUCT wm_data;
+ int i_opt;
+ vlc_ipc_data_t *p_data;
+ size_t i_data = sizeof (*p_data);
+
+ for( i_opt = optind; i_opt < *pi_argc; i_opt++ )
+ {
+ i_data += sizeof (size_t);
+ i_data += strlen( ppsz_argv[ i_opt ] ) + 1;
+ }
+
+ p_data = malloc( i_data );
+ p_data->argc = *pi_argc - optind;
+ p_data->enqueue = config_GetInt( p_this, "playlist-enqueue" );
+ i_data = 0;
+ for( i_opt = optind; i_opt < *pi_argc; i_opt++ )
+ {
+ size_t i_len = strlen( ppsz_argv[ i_opt ] ) + 1;
+ /* Windows will never switch to an architecture
+ * with stronger alignment requirements, right. */
+ *((size_t *)(p_data->data + i_data)) = i_len;
+ i_data += sizeof (size_t);
+ memcpy( &p_data->data[i_data], ppsz_argv[ i_opt ], i_len );
+ i_data += i_len;
+ }
+ i_data += sizeof (*p_data);
+
+ /* Send our playlist items to the 1st instance */
+ wm_data.dwData = 0;
+ wm_data.cbData = i_data;
+ wm_data.lpData = p_data;
+ SendMessage( ipcwindow, WM_COPYDATA, 0, (LPARAM)&wm_data );
+ }
+
+ /* Initialization done.
+ * Release the mutex to unblock other instances */
+ ReleaseMutex( hmutex );
+
+ /* Bye bye */
+ system_End( p_this );
+ exit( 0 );
+ }
+ }
+
#endif
}
+static unsigned __stdcall IPCHelperThread( void *data )
+{
+ vlc_object_t *p_this = data;
+ HWND ipcwindow;
+ MSG message;
+
+ ipcwindow =
+ CreateWindow( L"STATIC", /* name of window class */
+ L"VLC ipc "VERSION, /* window title bar text */
+ 0, /* window style */
+ 0, /* default X coordinate */
+ 0, /* default Y coordinate */
+ 0, /* window width */
+ 0, /* window height */
+ NULL, /* no parent window */
+ NULL, /* no menu in this window */
+ GetModuleHandle(NULL), /* handle of this program instance */
+ NULL ); /* sent to WM_CREATE */
+
+ SetWindowLongPtr( ipcwindow, GWLP_WNDPROC, (LRESULT)WMCOPYWNDPROC );
+ SetWindowLongPtr( ipcwindow, GWLP_USERDATA, (LONG_PTR)p_this );
+
+ /* Signal the creation of the thread and events queue */
+ SetEvent( hIPCHelperReady );
+
+ while( GetMessage( &message, NULL, 0, 0 ) )
+ {
+ TranslateMessage( &message );
+ DispatchMessage( &message );
+ }
+ return 0;
+}
+
+LRESULT CALLBACK WMCOPYWNDPROC( HWND hwnd, UINT uMsg, WPARAM wParam,
+ LPARAM lParam )
+{
+ if( uMsg == WM_COPYDATA )
+ {
+ COPYDATASTRUCT *pwm_data = (COPYDATASTRUCT*)lParam;
+ vlc_object_t *p_this;
+ playlist_t *p_playlist;
+
+ p_this = (vlc_object_t *)
+ (uintptr_t)GetWindowLongPtr( hwnd, GWLP_USERDATA );
+
+ if( !p_this ) return 0;
+
+ /* Add files to the playlist */
+ p_playlist = pl_Hold( p_this );
+ if( !p_playlist ) return 0;
+
+ if( pwm_data->lpData )
+ {
+ char **ppsz_argv;
+ vlc_ipc_data_t *p_data = (vlc_ipc_data_t *)pwm_data->lpData;
+ size_t i_data = 0;
+ int i_argc = p_data->argc, i_opt, i_options;
+
+ ppsz_argv = (char **)malloc( i_argc * sizeof(char *) );
+ for( i_opt = 0; i_opt < i_argc; i_opt++ )
+ {
+ ppsz_argv[i_opt] = p_data->data + i_data + sizeof(int);
+ i_data += sizeof(int) + *((int *)(p_data->data + i_data));
+ }
+
+ for( i_opt = 0; i_opt < i_argc; i_opt++ )
+ {
+ i_options = 0;
+
+ /* Count the input options */
+ while( i_opt + i_options + 1 < i_argc &&
+ *ppsz_argv[ i_opt + i_options + 1 ] == ':' )
+ {
+ i_options++;
+ }
+ playlist_AddExt( p_playlist, ppsz_argv[i_opt],
+ NULL, PLAYLIST_APPEND |
+ ( ( i_opt || p_data->enqueue ) ? 0 : PLAYLIST_GO ),
+ PLAYLIST_END, -1,
+ i_options,
+ (char const **)( i_options ? &ppsz_argv[i_opt+1] : NULL ),
+ VLC_INPUT_OPTION_TRUSTED,
+ true, pl_Unlocked );
+
+ i_opt += i_options;
+ }
+
+ free( ppsz_argv );
+ }
+
+ vlc_object_release( p_playlist );
+ }
+
+ return DefWindowProc( hwnd, uMsg, wParam, lParam );
+}
+
/*****************************************************************************
* system_End: terminate winsock.
*****************************************************************************/
-void system_End( vlc_t *p_this )
+void system_End( libvlc_int_t *p_this )
{
+ HWND ipcwindow;
+ if( p_this )
+ {
+ free( psz_vlcpath );
+ psz_vlcpath = NULL;
+ }
+
+ if( ( ipcwindow = FindWindow( 0, L"VLC ipc "VERSION ) ) != 0 )
+ {
+ SendMessage( ipcwindow, WM_QUIT, 0, 0 );
+ }
+
+ if (p_helper && p_helper->p_parent == VLC_OBJECT(p_this) )
+ {
+ /* FIXME: thread-safety... */
+ vlc_object_detach (p_helper);
+ vlc_object_release (p_helper);
+ p_helper = NULL;
+ }
+
#if !defined( UNDER_CE )
- WSACleanup();
+ timeEndPeriod(5);
#endif
+
+ WSACleanup();
}