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ffmpeg / libavformat / os_support.h @ 9dd94f83

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1 04d7f601 Diego Biurrun
/*
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 * various utilities for ffmpeg system
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 * copyright (c) 2000, 2001, 2002 Fabrice Bellard
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 *
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 * This file is part of Libav.
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 *
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 * Libav 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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 * Libav 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 Libav; 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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22 98790382 Stefano Sabatini
#ifndef AVFORMAT_OS_SUPPORT_H
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#define AVFORMAT_OS_SUPPORT_H
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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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#include "config.h"
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#if defined(__MINGW32__) && !defined(__MINGW32CE__)
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#  include <fcntl.h>
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#  define lseek(f,p,w) _lseeki64((f), (p), (w))
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#  define stat _stati64
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#  define fstat(f,s) _fstati64((f), (s))
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#endif /* defined(__MINGW32__) && !defined(__MINGW32CE__) */
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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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#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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/* 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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#if !HAVE_POLL_H
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typedef unsigned long nfds_t;
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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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/* 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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/* 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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int poll(struct pollfd *fds, nfds_t numfds, int timeout);
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#endif /* HAVE_POLL_H */
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#endif /* CONFIG_NETWORK */
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#endif /* AVFORMAT_OS_SUPPORT_H */