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-rw-r--r--contrib/ffmpeg/libavformat/os_support.h111
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diff --git a/contrib/ffmpeg/libavformat/os_support.h b/contrib/ffmpeg/libavformat/os_support.h
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+/*
+ * 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 */