Make timestamp interpolation work with mpeg2 field pictures.

[ffmpeg] / libavformat / os_support.h

diff --git a/libavformat/os_support.h b/libavformat/os_support.h
index 018b8f8e920dc7689a8213862c3461a8ea54590c..67d586ab65c14a4a5bed604cc8aa48b7044e4d95 100644 (file)
--- a/libavformat/os_support.h
+++ b/libavformat/os_support.h
@@ -2,50 +2,92 @@
  * various utilities for ffmpeg system
  * copyright (c) 2000, 2001, 2002 Fabrice Bellard
  *
- * This library is free software; you can redistribute it and/or
+ * 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 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
  *
- * This library is distributed in the hope that it will be useful,
+ * 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 this library; if not, write to the Free Software
+ * 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
+#ifndef FFMPEG_OS_SUPPORT_H
+#define FFMPEG_OS_SUPPORT_H
 
 /**
  * @file os_support.h
  * miscellaneous OS support macros and functions.
- *
- * - usleep() (Win32, BeOS, OS/2)
- * - floatf() (OS/2)
- * - strcasecmp() (OS/2)
  */
 
+#ifndef HAVE_SOCKLEN_T
+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))
 #endif
 
 #ifdef __BEOS__
-#  ifndef usleep
+#  include <sys/socket.h>
+#  include <netinet/in.h>
+   /* not net_server ? */
+#  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); }
+/* most of the time closing a socket is just closing an fd */
+#ifndef HAVE_CLOSESOCKET
+#define closesocket close
 #endif
 
-#endif /* _OS_SUPPORT_H */
+#ifdef CONFIG_FFSERVER
+#ifndef HAVE_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_POLL_H */
+#endif /* CONFIG_FFSERVER */
+
+#endif /* FFMPEG_OS_SUPPORT_H */