FFmpeg/libavformat/os_support.h
Martin Storsjö 62c9ae11a7 Add a smooth streaming segmenter muxer
This muxer splits the output from the ismv muxer into individual
files, in realtime.

The same can also be done by the standalone tool ismindex, but this
muxer is needed for doing it in realtime (especially for live
streams that need extra handling for updating the lookahead fields
in the fragment headers).

Using this muxer, one can deliver live smooth streaming from a
normal static file web server. (Using ismindex, one can deliver
premade smooth streaming files from a static file web server,
or prepare files for serving with IIS.)

Signed-off-by: Martin Storsjö <martin@martin.st>
2012-09-12 23:42:16 +03:00

126 lines
3.0 KiB
C

/*
* various OS-feature replacement utilities
* copyright (c) 2000, 2001, 2002 Fabrice Bellard
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVFORMAT_OS_SUPPORT_H
#define AVFORMAT_OS_SUPPORT_H
/**
* @file
* miscellaneous OS support macros and functions.
*/
#include "config.h"
#include <sys/stat.h>
#if defined(__MINGW32__) && !defined(__MINGW32CE__)
# include <fcntl.h>
# define lseek(f,p,w) _lseeki64((f), (p), (w))
# define stat _stati64
# define fstat(f,s) _fstati64((f), (s))
#endif /* defined(__MINGW32__) && !defined(__MINGW32CE__) */
#ifdef _WIN32
#include <direct.h>
#define mkdir(a, b) _mkdir(a)
#else
#include <sys/stat.h>
#endif
static inline int is_dos_path(const char *path)
{
#if HAVE_DOS_PATHS
if (path[0] && path[1] == ':')
return 1;
#endif
return 0;
}
#if defined(__OS2__)
#define SHUT_RD 0
#define SHUT_WR 1
#define SHUT_RDWR 2
#endif
#if defined(_WIN32)
#define SHUT_RD SD_RECEIVE
#define SHUT_WR SD_SEND
#define SHUT_RDWR SD_BOTH
#ifndef S_IRUSR
#define S_IRUSR S_IREAD
#endif
#ifndef S_IWUSR
#define S_IWUSR S_IWRITE
#endif
#endif
#if defined(_WIN32) && !defined(__MINGW32CE__)
int ff_win32_open(const char *filename, int oflag, int pmode);
#define open ff_win32_open
#endif
#if CONFIG_NETWORK
#if !HAVE_SOCKLEN_T
typedef int socklen_t;
#endif
/* most of the time closing a socket is just closing an fd */
#if !HAVE_CLOSESOCKET
#define closesocket close
#endif
#if !HAVE_POLL_H
typedef unsigned long nfds_t;
#if HAVE_WINSOCK2_H
#include <winsock2.h>
#endif
#if !HAVE_STRUCT_POLLFD
struct pollfd {
int fd;
short events; /* events to look for */
short revents; /* events that occurred */
};
/* events & revents */
#define POLLIN 0x0001 /* any readable data available */
#define POLLOUT 0x0002 /* file descriptor is writeable */
#define POLLRDNORM POLLIN
#define POLLWRNORM POLLOUT
#define POLLRDBAND 0x0008 /* priority readable data */
#define POLLWRBAND 0x0010 /* priority data can be written */
#define POLLPRI 0x0020 /* high priority readable data */
/* revents only */
#define POLLERR 0x0004 /* errors pending */
#define POLLHUP 0x0080 /* disconnected */
#define POLLNVAL 0x1000 /* invalid file descriptor */
#endif
int ff_poll(struct pollfd *fds, nfds_t numfds, int timeout);
#define poll ff_poll
#endif /* HAVE_POLL_H */
#endif /* CONFIG_NETWORK */
#endif /* AVFORMAT_OS_SUPPORT_H */