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FFmpeg/libavformat/os_support.h
Michael Niedermayer e3e09f2bad Merge remote-tracking branch 'qatar/master'
* qatar/master:
  os_support: Choose between direct.h and io.h using a configure check
  os_support: Include io.h instead of direct.h on mingw32ce
  x86: ac3dsp: Only refer to the ac3_downmix_sse symbol if it has been declared
  swscale: Remove two bogus asserts
  ac3: move ac3_downmix() from dsputil to ac3dsp
  lavr/audio_mix_matrix: acknowledge the existence of LFE2.
  mlp_parser: avoid mapping multiple disctinct TrueHD channels to the same Libav channel.
  lavu/audioconvert: add a second low frequency channel.

Conflicts:
	doc/APIchanges
	libavcodec/ac3dsp.c
	libavcodec/ac3dsp.h
	libavcodec/mlp_parser.c
	libavutil/audioconvert.c
	libavutil/version.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-09-13 15:35:50 +02:00

139 lines
3.2 KiB
C

/*
* various OS-feature replacement utilities
* copyright (c) 2000, 2001, 2002 Fabrice Bellard
*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; 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>
# ifdef lseek
# undef lseek
# endif
# define lseek(f,p,w) _lseeki64((f), (p), (w))
# ifdef stat
# undef stat
# endif
# define stat _stati64
# ifdef fstat
# undef fstat
# endif
# define fstat(f,s) _fstati64((f), (s))
#endif /* defined(__MINGW32__) && !defined(__MINGW32CE__) */
#ifdef _WIN32
#if HAVE_DIRECT_H
#include <direct.h>
#elif HAVE_IO_H
#include <io.h>
#endif
#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 */