+++ /dev/null
-/*****************************************************************************
- * win32_specific.c: Win32 specific features
- *****************************************************************************
- * Copyright (C) 2001-2004 the VideoLAN team
- * $Id$
- *
- * Authors: Samuel Hocevar <sam@zoy.org>
- * 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
- * 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_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 <mmsystem.h>
-#endif
-
-#include <winsock.h>
-
-/*****************************************************************************
- * system_Init: initialize winsock and misc other things.
- *****************************************************************************/
-void system_Init( libvlc_int_t *p_this, int *pi_argc, const char *ppsz_argv[] )
-{
- VLC_UNUSED( p_this ); VLC_UNUSED( pi_argc ); VLC_UNUSED( ppsz_argv );
- WSADATA Data;
-
- /* Get our full path */
- char psz_path[MAX_PATH];
- char *psz_vlc;
-
- wchar_t psz_wpath[MAX_PATH];
- if( GetModuleFileName( NULL, psz_wpath, MAX_PATH ) )
- {
- WideCharToMultiByte( CP_UTF8, 0, psz_wpath, -1,
- psz_path, MAX_PATH, NULL, NULL );
- }
- else psz_path[0] = '\0';
-
- if( (psz_vlc = strrchr( psz_path, '\\' )) ) *psz_vlc = '\0';
-
-#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 )
- {
- psz_vlc = psz_path+offset;
- if( ! strcmp(psz_vlc, "\\.libs") ) *psz_vlc = '\0';
- }
- }
-#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, 2 ), &Data ) )
- {
- /* 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 */
- if( !WSAStartup( MAKEWORD( 1, 1 ), &Data ) )
- {
- /* 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" );
-}
-
-/*****************************************************************************
- * system_Configure: check for system specific configuration options.
- *****************************************************************************/
-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
-{
- 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" ) )
- {
- 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" );
- }
- }
-
- 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( 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 )
- timeEndPeriod(5);
-#endif
-
- WSACleanup();
-}
projects / vlc / blobdiff