making act segmenter

1 files changed, 138 insertions, 0 deletions

diff --git a/ffmpeg/libavformat/os_support.h b/ffmpeg/libavformat/os_support.h
new file mode 100644
index 0000000..e5f31e0
--- /dev/null
+++ b/ffmpeg/libavformat/os_support.h
@@ -0,0 +1,138 @@
+/*
+ * 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(_WIN32) && !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__) || defined(__Plan9__)
+#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 */