pthread: do not touch has_b_frames

[ffmpeg] / libavformat / os_support.h

diff --git a/libavformat/os_support.h b/libavformat/os_support.h
index 4dd80a59d1b63694f547919ba53138c845c613b9..20c6d7373855e25b055377fc3cda8f4517fde11d 100644 (file)
--- a/libavformat/os_support.h
+++ b/libavformat/os_support.h
@@ -1,32 +1,91 @@
-#ifndef _OS_SUPPORT_H
-#define _OS_SUPPORT_H
+/*
+ * 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 os_support.h
+ * @file
  * miscellaneous OS support macros and functions.
- *
- * - usleep() (Win32, BeOS, OS/2)
- * - floatf() (OS/2)
- * - strcasecmp() (OS/2)
  */
 
-#ifdef __MINGW32__
-__declspec(dllimport) void __stdcall Sleep(unsigned long dwMilliseconds);
-// #  include <windows.h>
-#  define usleep(t)    Sleep((t) / 1000)
+#include "config.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__) */
+
+static inline int is_dos_path(const char *path)
+{
+#if HAVE_DOS_PATHS
+    if (path[0] && path[1] == ':')
+        return 1;
 #endif
+    return 0;
+}
 
-#ifdef __BEOS__
-#  ifndef usleep
-#    include <OS.h>
-#    define usleep(t)  snooze((bigtime_t)(t))
-#  endif
+#if defined(_WIN32) && !defined(__MINGW32CE__)
+int ff_win32_open(const char *filename, int oflag, int pmode);
+#define open ff_win32_open
 #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); }
+#if CONFIG_NETWORK
+#if !HAVE_SOCKLEN_T
+typedef int socklen_t;
 #endif
 
-#endif /* _OS_SUPPORT_H */
+/* 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;
+
+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 */
+
+
+int poll(struct pollfd *fds, nfds_t numfds, int timeout);
+#endif /* HAVE_POLL_H */
+#endif /* CONFIG_NETWORK */
+
+#endif /* AVFORMAT_OS_SUPPORT_H */