2 * Various utilities for ffmpeg system
3 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
4 * copyright (c) 2002 Francois Revol
6 * This file is part of FFmpeg.
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 #if defined(__MINGW32__)
25 #include <sys/types.h>
26 #include <sys/timeb.h>
34 #ifndef HAVE_SYS_POLL_H
35 #if defined(__MINGW32__)
38 #include <sys/select.h>
43 * gets the current time in micro seconds.
45 int64_t av_gettime(void)
47 #if defined(__MINGW32__)
50 return ((int64_t)tb.time * INT64_C(1000) + (int64_t)tb.millitm) * INT64_C(1000);
53 gettimeofday(&tv,NULL);
54 return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec;
61 #if !defined(HAVE_INET_ATON)
65 int inet_aton (const char * str, struct in_addr * add)
67 const char * pch = str;
68 unsigned int add1 = 0, add2 = 0, add3 = 0, add4 = 0;
71 pch = strpbrk(pch,".");
72 if (pch == 0 || ++pch == 0) goto done;
74 pch = strpbrk(pch,".");
75 if (pch == 0 || ++pch == 0) goto done;
77 pch = strpbrk(pch,".");
78 if (pch == 0 || ++pch == 0) goto done;
82 add->s_addr=(add4<<24)+(add3<<16)+(add2<<8)+add1;
86 #endif /* !defined(HAVE_INET_ATON) */
88 /* resolve host with also IP address parsing */
89 int resolve_host(struct in_addr *sin_addr, const char *hostname)
93 if (!inet_aton(hostname, sin_addr)) {
94 hp = gethostbyname(hostname);
97 memcpy(sin_addr, hp->h_addr, sizeof(struct in_addr));
102 int ff_socket_nonblock(int socket, int enable)
105 return ioctlsocket(socket, FIONBIO, &enable);
108 return fcntl(socket, F_SETFL, fcntl(socket, F_GETFL) | O_NONBLOCK);
110 return fcntl(socket, F_SETFL, fcntl(socket, F_GETFL) & ~O_NONBLOCK);
113 #endif /* CONFIG_NETWORK */
115 #ifdef CONFIG_FFSERVER
116 #ifndef HAVE_SYS_POLL_H
117 int poll(struct pollfd *fds, nfds_t numfds, int timeout)
121 fd_set exception_set;
127 if (numfds >= FD_SETSIZE) {
135 FD_ZERO(&exception_set);
138 for(i = 0; i < numfds; i++) {
142 if (fds[i].fd >= FD_SETSIZE) {
148 if (fds[i].events & POLLIN) FD_SET(fds[i].fd, &read_set);
149 if (fds[i].events & POLLOUT) FD_SET(fds[i].fd, &write_set);
150 if (fds[i].events & POLLERR) FD_SET(fds[i].fd, &exception_set);
157 /* Hey!? Nothing to poll, in fact!!! */
161 rc = select(n+1, &read_set, &write_set, &exception_set, NULL);
165 tv.tv_sec = timeout / 1000;
166 tv.tv_usec = 1000 * (timeout % 1000);
167 rc = select(n+1, &read_set, &write_set, &exception_set, &tv);
173 for(i = 0; i < (nfds_t) n; i++) {
176 if (FD_ISSET(fds[i].fd, &read_set)) fds[i].revents |= POLLIN;
177 if (FD_ISSET(fds[i].fd, &write_set)) fds[i].revents |= POLLOUT;
178 if (FD_ISSET(fds[i].fd, &exception_set)) fds[i].revents |= POLLERR;
183 #endif /* HAVE_SYS_POLL_H */
184 #endif /* CONFIG_FFSERVER */