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			132 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			132 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * various OS-feature replacement utilities
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|  * copyright (c) 2000, 2001, 2002 Fabrice Bellard
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|  *
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|  * This file is part of FFmpeg.
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|  *
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|  * FFmpeg is free software; you can redistribute it and/or
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|  * modify it under the terms of the GNU Lesser General Public
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|  * License as published by the Free Software Foundation; either
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|  * version 2.1 of the License, or (at your option) any later version.
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|  *
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|  * FFmpeg is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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|  * Lesser General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Lesser General Public
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|  * License along with FFmpeg; if not, write to the Free Software
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|  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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|  */
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| 
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| #ifndef AVFORMAT_OS_SUPPORT_H
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| #define AVFORMAT_OS_SUPPORT_H
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| 
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| /**
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|  * @file
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|  * miscellaneous OS support macros and functions.
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|  */
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| 
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| #include "config.h"
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| 
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| #include <sys/stat.h>
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| 
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| #if defined(_WIN32) && !defined(__MINGW32CE__)
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| #  include <fcntl.h>
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| #  ifdef lseek
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| #   undef lseek
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| #  endif
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| #  define lseek(f,p,w) _lseeki64((f), (p), (w))
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| #  ifdef stat
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| #   undef stat
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| #  endif
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| #  define stat _stati64
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| #  ifdef fstat
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| #   undef fstat
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| #  endif
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| #  define fstat(f,s) _fstati64((f), (s))
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| #endif /* defined(__MINGW32__) && !defined(__MINGW32CE__) */
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| 
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| #ifdef _WIN32
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| #if HAVE_DIRECT_H
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| #include <direct.h>
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| #elif HAVE_IO_H
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| #include <io.h>
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| #endif
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| #define mkdir(a, b) _mkdir(a)
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| #endif
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| 
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| static inline int is_dos_path(const char *path)
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| {
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| #if HAVE_DOS_PATHS
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|     if (path[0] && path[1] == ':')
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|         return 1;
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| #endif
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|     return 0;
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| }
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| 
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| #if defined(__OS2__) || defined(__Plan9__)
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| #define SHUT_RD 0
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| #define SHUT_WR 1
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| #define SHUT_RDWR 2
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| #endif
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| 
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| #if defined(_WIN32)
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| #define SHUT_RD SD_RECEIVE
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| #define SHUT_WR SD_SEND
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| #define SHUT_RDWR SD_BOTH
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| 
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| #ifndef S_IRUSR
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| #define S_IRUSR S_IREAD
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| #endif
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| #ifndef S_IWUSR
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| #define S_IWUSR S_IWRITE
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| #endif
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| #endif
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| 
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| #if CONFIG_NETWORK
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| #if !HAVE_SOCKLEN_T
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| typedef int socklen_t;
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| #endif
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| 
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| /* most of the time closing a socket is just closing an fd */
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| #if !HAVE_CLOSESOCKET
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| #define closesocket close
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| #endif
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| 
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| #if !HAVE_POLL_H
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| typedef unsigned long nfds_t;
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| 
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| #if HAVE_WINSOCK2_H
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| #include <winsock2.h>
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| #endif
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| #if !HAVE_STRUCT_POLLFD
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| struct pollfd {
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|     int fd;
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|     short events;  /* events to look for */
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|     short revents; /* events that occurred */
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| };
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| 
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| /* events & revents */
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| #define POLLIN     0x0001  /* any readable data available */
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| #define POLLOUT    0x0002  /* file descriptor is writeable */
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| #define POLLRDNORM POLLIN
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| #define POLLWRNORM POLLOUT
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| #define POLLRDBAND 0x0008  /* priority readable data */
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| #define POLLWRBAND 0x0010  /* priority data can be written */
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| #define POLLPRI    0x0020  /* high priority readable data */
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| 
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| /* revents only */
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| #define POLLERR    0x0004  /* errors pending */
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| #define POLLHUP    0x0080  /* disconnected */
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| #define POLLNVAL   0x1000  /* invalid file descriptor */
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| #endif
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| 
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| 
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| int ff_poll(struct pollfd *fds, nfds_t numfds, int timeout);
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| #define poll ff_poll
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| #endif /* HAVE_POLL_H */
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| #endif /* CONFIG_NETWORK */
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| 
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| #endif /* AVFORMAT_OS_SUPPORT_H */
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