vlc.c
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:6k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * vlc.c: the VLC player
- *****************************************************************************
- * Copyright (C) 1998-2008 the VideoLAN team
- * $Id: 8917ff4f5284ca86d006dccf885a8be44f56aabe $
- *
- * 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
- #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 *);
- #include <signal.h>
- #include <time.h>
- #include <pthread.h>
- #include <unistd.h>
- /*****************************************************************************
- * main: parse command line, start interface and spawn threads.
- *****************************************************************************/
- int main( int i_argc, const char *ppsz_argv[] )
- {
- int i_ret;
- #ifndef ALLOW_RUN_AS_ROOT
- if (geteuid () == 0)
- {
- fprintf (stderr, "VLC is not supposed to be run as root. Sorry.n"
- "If you need to use real-time priorities and/or privileged TCP portsn"
- "you can use %s-wrapper (make sure it is Set-UID root andn"
- "cannot be run by non-trusted users first).n", ppsz_argv[0]);
- return 1;
- }
- #endif
- setlocale (LC_ALL, "");
- #ifndef __APPLE__
- /* This clutters OSX GUI error logs */
- fprintf( stderr, "VLC media player %sn", libvlc_get_version() );
- #endif
- #ifdef HAVE_PUTENV
- # ifndef NDEBUG
- /* Activate malloc checking routines to detect heap corruptions. */
- putenv( (char*)"MALLOC_CHECK_=2" );
- /* Disable the ugly Gnome crash dialog so that we properly segfault */
- putenv( (char *)"GNOME_DISABLE_CRASH_DIALOG=1" );
- # endif
- #endif
- /* 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 sigs[] = {
- SIGINT, SIGHUP, SIGQUIT, SIGTERM,
- /* Signals that cause a no-op:
- * - SIGPIPE might happen with sockets and would crash VLC. It MUST be
- * blocked by any LibVLC-dependent application, not just VLC.
- * - SIGCHLD comes after exec*() (such as httpd CGI support) and must
- * be dequeued to cleanup zombie processes.
- */
- SIGPIPE, SIGCHLD
- };
- sigset_t set;
- sigemptyset (&set);
- for (unsigned i = 0; i < sizeof (sigs) / sizeof (sigs[0]); i++)
- sigaddset (&set, sigs[i]);
- /* Block all these signals */
- pthread_sigmask (SIG_BLOCK, &set, NULL);
- sigdelset (&set, SIGPIPE);
- sigdelset (&set, SIGCHLD);
- /* Note that FromLocale() can be used before libvlc is initialized */
- const char *argv[i_argc + 3];
- int argc = 0;
- #ifdef TOP_BUILDDIR
- argv[argc++] = FromLocale ("--plugin-path="TOP_BUILDDIR"/modules");
- #endif
- #ifdef TOP_SRCDIR
- # ifdef ENABLE_HTTPD
- argv[argc++] = FromLocale ("--http-src="TOP_SRCDIR"/share/http");
- # endif
- #endif
- for (int i = 1; i < i_argc; i++)
- if ((argv[argc++] = FromLocale (ppsz_argv[i])) == NULL)
- return 1; // BOOM!
- libvlc_exception_t ex, dummy;
- libvlc_exception_init (&ex);
- libvlc_exception_init (&dummy);
- /* Initialize libvlc */
- libvlc_instance_t *vlc = libvlc_new (argc, argv, &ex);
- if (vlc != NULL)
- {
- libvlc_add_intf (vlc, "signals", &ex);
- if (libvlc_exception_raised (&ex))
- {
- libvlc_exception_clear (&ex);
- pthread_sigmask (SIG_UNBLOCK, &set, NULL);
- }
- libvlc_add_intf (vlc, "globalhotkeys,none", &ex);
- libvlc_exception_clear (&ex);
- libvlc_add_intf (vlc, NULL, &ex);
- libvlc_playlist_play (vlc, -1, 0, NULL, &dummy);
- libvlc_wait (vlc);
- libvlc_release (vlc);
- }
- i_ret = libvlc_exception_raised (&ex);
- if( i_ret )
- fprintf( stderr, "%sn", libvlc_exception_get_message( &ex));
- libvlc_exception_clear (&ex);
- libvlc_exception_clear (&dummy);
- for (int i = 0; i < argc; i++)
- LocaleFree (argv[i]);
- return i_ret;
- }