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Diffstat (limited to 'contrib/ffmpeg/libavformat/os_support.h')
-rw-r--r-- | contrib/ffmpeg/libavformat/os_support.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/contrib/ffmpeg/libavformat/os_support.h b/contrib/ffmpeg/libavformat/os_support.h new file mode 100644 index 000000000..424d6dabd --- /dev/null +++ b/contrib/ffmpeg/libavformat/os_support.h @@ -0,0 +1,111 @@ +/* + * various utilities for ffmpeg system + * 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 _OS_SUPPORT_H +#define _OS_SUPPORT_H + +/** + * @file os_support.h + * miscellaneous OS support macros and functions. + * + * - socklen_t typedef (BeOS, Innotek libc) + * - usleep() (Win32, BeOS, OS/2) + * - lseek() (Win32) + * - floatf() (OS/2) + * - strcasecmp() (OS/2) + * - closesocket() + * - poll() (BeOS, MinGW) + */ + +#if defined(__BEOS__) || defined(__INNOTEK_LIBC__) +typedef int socklen_t; +#endif + +#ifdef __MINGW32__ +__declspec(dllimport) void __stdcall Sleep(unsigned long dwMilliseconds); +// # include <windows.h> +# define usleep(t) Sleep((t) / 1000) +# include <fcntl.h> +# define lseek(f,p,w) _lseeki64((f), (p), (w)) +# define HAVE_CLOSESOCKET 1 +#endif + +#ifdef __BEOS__ +# include <sys/socket.h> +# include <netinet/in.h> + /* not net_server ? */ +# if IPPROTO_TCP != 6 +# define HAVE_CLOSESOCKET 1 +# endif +# include <BeBuild.h> + /* R5 didn't have usleep, fake it. Haiku and Zeta has it now. */ +# if B_BEOS_VERSION <= B_BEOS_VERSION_5 +# include <OS.h> + /* doesn't set errno but that's enough */ +# define usleep(t) snooze((bigtime_t)(t)) +# endif +# ifndef SA_RESTART +# warning SA_RESTART not implemented; ffserver might misbehave. +# define SA_RESTART 0 +# endif +#endif + +#if defined(CONFIG_OS2) +#include <stdlib.h> +static inline int usleep(unsigned int t) { return _sleep2(t / 1000); } +static inline int strcasecmp(const char* s1, const char* s2) { return stricmp(s1,s2); } +#endif + +/* most of the time closing a socket is just closing an fd */ +#if HAVE_CLOSESOCKET != 1 +#define closesocket close +#endif + +#ifdef CONFIG_FFSERVER +#ifndef HAVE_SYS_POLL_H +typedef unsigned long nfds_t; + +struct pollfd { + int fd; + short events; /* events to look for */ + short revents; /* events that occured */ +}; + +/* 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 */ + + +extern int poll(struct pollfd *fds, nfds_t numfds, int timeout); +#endif /* HAVE_SYS_POLL_H */ +#endif /* CONFIG_FFSERVER */ + +#endif /* _OS_SUPPORT_H */ |