/*****************************************************************************
* vlc.c: the vlc player
*****************************************************************************
- * Copyright (C) 1998-2001 VideoLAN
- * $Id: vlc.c,v 1.7 2002/07/23 00:39:17 sam Exp $
+ * Copyright (C) 1998-2004 the VideoLAN team
+ * $Id$
*
* Authors: Vincent Seguin <seguin@via.ecp.fr>
* Samuel Hocevar <sam@zoy.org>
- * Gildas Bazin <gbazin@netcourrier.com>
+ * 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
*
* 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 <signal.h> /* SIGHUP, SIGINT, SIGKILL */
-#include <stdio.h> /* fprintf() */
-#include <stdlib.h> /* putenv(), strtol(), */
+
+#include "config.h"
#include <vlc/vlc.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <locale.h>
+
+
+/* Explicit HACK */
+extern void LocaleFree (const char *);
+extern char *FromLocale (const char *);
+
+
+/*****************************************************************************
+ * Local prototypes.
+ *****************************************************************************/
+#ifdef WIN32
+#include <windows.h>
+extern void __wgetmainargs(int *argc, wchar_t ***wargv, wchar_t ***wenviron,
+ int expand_wildcards, int *startupinfo);
+static inline void Kill(void) { }
+#else
+
+# include <signal.h>
+# include <time.h>
+# include <pthread.h>
+
+static void Kill (void);
+static void *SigHandler (void *set);
+#endif
/*****************************************************************************
- * main: parse command line, start interface and spawn threads
+ * main: parse command line, start interface and spawn threads.
*****************************************************************************/
-int main(int i_argc, char *ppsz_argv[], char *ppsz_env[])
+int main( int i_argc, char *ppsz_argv[] )
{
- vlc_error_t err;
+ int i_ret;
+
+ setlocale (LC_ALL, "");
-#ifdef SYS_LINUX
+#ifndef __APPLE__
+ /* This clutters OSX GUI error logs */
+ fprintf( stderr, "VLC media player %s\n", VLC_Version() );
+#endif
+
+#ifdef HAVE_PUTENV
# ifdef DEBUG
/* Activate malloc checking routines to detect heap corruptions. */
- putenv( "MALLOC_CHECK_=2" );
+ putenv( (char*)"MALLOC_CHECK_=2" );
/* Disable the ugly Gnome crash dialog so that we properly segfault */
- putenv( "GNOME_DISABLE_CRASH_DIALOG=1" );
+ putenv( (char *)"GNOME_DISABLE_CRASH_DIALOG=1" );
# endif
+
+ /* If the user isn't using VLC_VERBOSE, set it to 0 by default */
+ if( getenv( "VLC_VERBOSE" ) == NULL )
+ {
+ putenv( (char *)"VLC_VERBOSE=0" );
+ }
+#endif
+
+#if defined (HAVE_GETEUID) && !defined (SYS_BEOS)
+ /* FIXME: rootwrap (); */
#endif
- /* Create the vlc structure */
- err = vlc_create();
- if( err != VLC_SUCCESS )
+ /* Create a libvlc structure */
+ i_ret = VLC_Create();
+ if( i_ret < 0 )
{
- return err;
+ return -i_ret;
}
- /* Initialize vlc */
- err = vlc_init( i_argc, ppsz_argv );
- if( err != VLC_SUCCESS )
+#if !defined(WIN32) && !defined(UNDER_CE)
+ /* Synchronously intercepted POSIX signals.
+ *
+ * In a threaded program such as VLC, the only sane way to handle signals
+ * is to block them in all thread but one - this is the only way to
+ * predict which thread will receive them. If any piece of code depends
+ * on delivery of one of this signal it is intrinsically not thread-safe
+ * and MUST NOT be used in VLC, whether we like it or not.
+ * There is only one exception: if the signal is raised with
+ * pthread_kill() - we do not use this in LibVLC but some pthread
+ * implementations use them internally. You should really use conditions
+ * for thread synchronization anyway.
+ *
+ * Signal that request a clean shutdown, and force an unclean shutdown
+ * if they are triggered again 2+ seconds later.
+ * We have to handle SIGTERM cleanly because of daemon mode.
+ * Note that we set the signals after the vlc_create call. */
+ static const int exitsigs[] = { SIGINT, SIGHUP, SIGQUIT, SIGTERM };
+ /* Signals that cause a no-op:
+ * - SIGALRM should not happen, but lets stay on the safe side.
+ * - SIGPIPE might happen with sockets and would crash VLC. It MUST be
+ * blocked by any LibVLC-dependant application, in addition to VLC.
+ * - SIGCHLD is comes after exec*() (such as httpd CGI support) and must
+ * be dequeued to cleanup zombie processes.
+ */
+ static const int dummysigs[] = { SIGALRM, SIGPIPE, SIGCHLD };
+
+ sigset_t set;
+ pthread_t sigth;
+
+ sigemptyset (&set);
+ for (unsigned i = 0; i < sizeof (exitsigs) / sizeof (exitsigs[0]); i++)
+ sigaddset (&set, exitsigs[i]);
+ for (unsigned i = 0; i < sizeof (dummysigs) / sizeof (dummysigs[0]); i++)
+ sigaddset (&set, dummysigs[i]);
+
+ /* Block all these signals */
+ pthread_sigmask (SIG_BLOCK, &set, NULL);
+
+ for (unsigned i = 0; i < sizeof (dummysigs) / sizeof (dummysigs[0]); i++)
+ sigdelset (&set, dummysigs[i]);
+
+ pthread_create (&sigth, NULL, SigHandler, &set);
+#endif
+
+#ifdef WIN32
+ /* Replace argv[1..n] with unicode for Windows NT and above */
+ if( GetVersion() < 0x80000000 )
{
- vlc_destroy();
- return err;
+ wchar_t **wargv, **wenvp;
+ int i,i_wargc;
+ int si = { 0 };
+ __wgetmainargs(&i_wargc, &wargv, &wenvp, 0, &si);
+
+ for( i = 0; i < i_wargc; i++ )
+ {
+ int len = WideCharToMultiByte(CP_UTF8, 0, wargv[i], -1, NULL, 0, NULL, NULL);
+ if( len > 0 )
+ {
+ if( len > 1 ) {
+ char *utf8arg = (char *)malloc(len);
+ if( NULL != utf8arg )
+ {
+ WideCharToMultiByte(CP_UTF8, 0, wargv[i], -1, utf8arg, len, NULL, NULL);
+ ppsz_argv[i] = utf8arg;
+ }
+ else
+ {
+ /* failed!, quit */
+ return 1;
+ }
+ }
+ else
+ {
+ ppsz_argv[i] = strdup ("");
+ }
+ }
+ else
+ {
+ /* failed!, quit */
+ return 1;
+ }
+ }
}
+ else
+#endif
+ {
+ for (int i = 0; i < i_argc; i++)
+ if ((ppsz_argv[i] = FromLocale (ppsz_argv[i])) == NULL)
+ return 1; // BOOM!
+ }
+
+ /* Initialize libvlc */
+ i_ret = VLC_Init( 0, i_argc, ppsz_argv );
+ if( i_ret < 0 )
+ {
+ VLC_Destroy( 0 );
+ return i_ret == VLC_EEXITSUCCESS ? 0 : -i_ret;
+ }
+
+ i_ret = VLC_AddIntf( 0, NULL, VLC_TRUE, VLC_TRUE );
+
+ /* Finish the threads */
+ VLC_CleanUp( 0 );
+
+ Kill ();
- /* Run vlc, in non-blocking mode */
- err = vlc_run();
+ /* Destroy the libvlc structure */
+ VLC_Destroy( 0 );
- /* Add background interfaces */
- //{ int i; for( i=10; i--; ) vlc_add_intf( NULL, "dummy", 0 ); }
- //vlc_add_intf( NULL, "dummy", VLC_FALSE );
- //vlc_add_intf( NULL, "logger", VLC_FALSE );
- //vlc_add_intf( NULL, "xosd", VLC_FALSE );
- //vlc_add_intf( NULL, "gtk", VLC_FALSE );
- //vlc_add_intf( NULL, "kde", VLC_FALSE );
- //vlc_add_intf( "rc", VLC_FALSE );
+ for (int i = 0; i < i_argc; i++)
+ LocaleFree (ppsz_argv[i]);
- /* Add a blocking interface and keep the return value */
- err = vlc_add_intf( NULL, VLC_TRUE );
+#if !defined(WIN32) && !defined(UNDER_CE)
+ pthread_cancel (sigth);
+# ifdef __APPLE__
+ /* In Mac OS X up to 10.4.8 sigwait (among others) is not a pthread
+ * cancellation point, so we throw a dummy quit signal to end
+ * sigwait() in the sigth thread */
+ pthread_kill (sigth, SIGQUIT);
+# endif
+ pthread_join (sigth, NULL);
+#endif
+
+ return -i_ret;
+}
+
+#if !defined(WIN32) && !defined(UNDER_CE)
+/*****************************************************************************
+ * SigHandler: system signal handler
+ *****************************************************************************
+ * This thread receives all handled signals synchronously.
+ * It tries to end the program in a clean way.
+ *****************************************************************************/
+static void *SigHandler (void *data)
+{
+ const sigset_t *exitset = (sigset_t *)data;
+ sigset_t fullset;
+ time_t abort_time = 0;
+
+ pthread_sigmask (SIG_BLOCK, exitset, &fullset);
- /* Finish the interface */
- vlc_stop();
+ for (;;)
+ {
+ int i_signal, state;
+ (void)sigwait (&fullset, &i_signal);
+
+#ifdef __APPLE__
+ /* In Mac OS X up to 10.4.8 sigwait (among others) is not a pthread
+ * cancellation point */
+ pthread_testcancel();
+#endif
+
+ if (!sigismember (exitset, i_signal))
+ continue; /* Ignore "dummy" signals */
+
+ /* Once a signal has been trapped, the termination sequence will be
+ * armed and subsequent signals will be ignored to avoid sending
+ * signals to a libvlc structure having been destroyed */
- /* Finish all threads */
- vlc_end();
+ pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, &state);
+ if (abort_time == 0)
+ {
+ time (&abort_time);
+ abort_time += 2;
- /* Destroy the vlc structure */
- vlc_destroy();
+ fprintf (stderr, "signal %d received, terminating vlc - do it "
+ "again in case it gets stuck\n", i_signal);
- return err;
+ /* Acknowledge the signal received */
+ Kill ();
+ }
+ else
+ if (time (NULL) <= abort_time)
+ {
+ /* If user asks again more than 2 seconds later, die badly */
+ pthread_sigmask (SIG_UNBLOCK, exitset, NULL);
+ fprintf (stderr, "user insisted too much, dying badly\n");
+ abort ();
+ }
+ pthread_setcancelstate (state, NULL);
+ }
+ /* Never reached */
}
+
+static void KillOnce (void)
+{
+ VLC_Die (0);
+}
+
+static void Kill (void)
+{
+ static pthread_once_t once = PTHREAD_ONCE_INIT;
+ pthread_once (&once, KillOnce);
+}
+
+#endif
+
+#if defined(UNDER_CE)
+# if defined( _MSC_VER ) && defined( UNDER_CE )
+# include "vlc_common.h"
+# endif
+/*****************************************************************************
+ * WinMain: parse command line, start interface and spawn threads. (WinCE only)
+ *****************************************************************************/
+int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
+ LPTSTR lpCmdLine, int nCmdShow )
+{
+ char **argv, psz_cmdline[MAX_PATH];
+ int argc, i_ret;
+
+ WideCharToMultiByte( CP_ACP, 0, lpCmdLine, -1,
+ psz_cmdline, MAX_PATH, NULL, NULL );
+
+ argv = vlc_parse_cmdline( psz_cmdline, &argc );
+ argv = realloc( argv, (argc + 1) * sizeof(char *) );
+ if( !argv ) return -1;
+
+ if( argc ) memmove( argv + 1, argv, argc * sizeof(char *) );
+ argv[0] = ""; /* Fake program path */
+
+ i_ret = main( argc + 1, argv );
+
+ /* No need to free the argv memory */
+ return i_ret;
+}
+#endif