diff options
Diffstat (limited to 'ffmpeg1/libavformat/network.c')
| -rw-r--r-- | ffmpeg1/libavformat/network.c | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/ffmpeg1/libavformat/network.c b/ffmpeg1/libavformat/network.c deleted file mode 100644 index ceed719..0000000 --- a/ffmpeg1/libavformat/network.c +++ /dev/null @@ -1,214 +0,0 @@ -/* - * Copyright (c) 2007 The Libav Project - * - * 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 - */ - -#include "libavutil/avutil.h" -#include "network.h" -#include "libavcodec/internal.h" -#include "libavutil/mem.h" -#include "url.h" -#include "libavutil/time.h" - -#if HAVE_THREADS -#if HAVE_PTHREADS -#include <pthread.h> -#elif HAVE_OS2THREADS -#include "libavcodec/os2threads.h" -#else -#include "libavcodec/w32pthreads.h" -#endif -#endif - -#if CONFIG_OPENSSL -#include <openssl/ssl.h> -static int openssl_init; -#if HAVE_THREADS -#include <openssl/crypto.h> -#include "libavutil/avutil.h" -pthread_mutex_t *openssl_mutexes; -static void openssl_lock(int mode, int type, const char *file, int line) -{ - if (mode & CRYPTO_LOCK) - pthread_mutex_lock(&openssl_mutexes[type]); - else - pthread_mutex_unlock(&openssl_mutexes[type]); -} -#if !defined(WIN32) && OPENSSL_VERSION_NUMBER < 0x10000000 -static unsigned long openssl_thread_id(void) -{ - return (intptr_t) pthread_self(); -} -#endif -#endif -#endif -#if CONFIG_GNUTLS -#include <gnutls/gnutls.h> -#if HAVE_THREADS && GNUTLS_VERSION_NUMBER <= 0x020b00 -#include <gcrypt.h> -#include <errno.h> -GCRY_THREAD_OPTION_PTHREAD_IMPL; -#endif -#endif - -void ff_tls_init(void) -{ - avpriv_lock_avformat(); -#if CONFIG_OPENSSL - if (!openssl_init) { - SSL_library_init(); - SSL_load_error_strings(); -#if HAVE_THREADS - if (!CRYPTO_get_locking_callback()) { - int i; - openssl_mutexes = av_malloc(sizeof(pthread_mutex_t) * CRYPTO_num_locks()); - for (i = 0; i < CRYPTO_num_locks(); i++) - pthread_mutex_init(&openssl_mutexes[i], NULL); - CRYPTO_set_locking_callback(openssl_lock); -#if !defined(WIN32) && OPENSSL_VERSION_NUMBER < 0x10000000 - CRYPTO_set_id_callback(openssl_thread_id); -#endif - } -#endif - } - openssl_init++; -#endif -#if CONFIG_GNUTLS -#if HAVE_THREADS && GNUTLS_VERSION_NUMBER < 0x020b00 - if (gcry_control(GCRYCTL_ANY_INITIALIZATION_P) == 0) - gcry_control(GCRYCTL_SET_THREAD_CBS, &gcry_threads_pthread); -#endif - gnutls_global_init(); -#endif - avpriv_unlock_avformat(); -} - -void ff_tls_deinit(void) -{ - avpriv_lock_avformat(); -#if CONFIG_OPENSSL - openssl_init--; - if (!openssl_init) { -#if HAVE_THREADS - if (CRYPTO_get_locking_callback() == openssl_lock) { - int i; - CRYPTO_set_locking_callback(NULL); - for (i = 0; i < CRYPTO_num_locks(); i++) - pthread_mutex_destroy(&openssl_mutexes[i]); - av_free(openssl_mutexes); - } -#endif - } -#endif -#if CONFIG_GNUTLS - gnutls_global_deinit(); -#endif - avpriv_unlock_avformat(); -} - -int ff_network_inited_globally; - -int ff_network_init(void) -{ -#if HAVE_WINSOCK2_H - WSADATA wsaData; -#endif - - if (!ff_network_inited_globally) - av_log(NULL, AV_LOG_WARNING, "Using network protocols without global " - "network initialization. Please use " - "avformat_network_init(), this will " - "become mandatory later.\n"); -#if HAVE_WINSOCK2_H - if (WSAStartup(MAKEWORD(1,1), &wsaData)) - return 0; -#endif - return 1; -} - -int ff_network_wait_fd(int fd, int write) -{ - int ev = write ? POLLOUT : POLLIN; - struct pollfd p = { .fd = fd, .events = ev, .revents = 0 }; - int ret; - ret = poll(&p, 1, 100); - return ret < 0 ? ff_neterrno() : p.revents & (ev | POLLERR | POLLHUP) ? 0 : AVERROR(EAGAIN); -} - -int ff_network_wait_fd_timeout(int fd, int write, int64_t timeout, AVIOInterruptCB *int_cb) -{ - int ret; - int64_t wait_start = 0; - - while (1) { - ret = ff_network_wait_fd(fd, write); - if (ret != AVERROR(EAGAIN)) - return ret; - if (ff_check_interrupt(int_cb)) - return AVERROR_EXIT; - if (timeout) { - if (!wait_start) - wait_start = av_gettime(); - else if (av_gettime() - wait_start > timeout) - return AVERROR(ETIMEDOUT); - } - } -} - -void ff_network_close(void) -{ -#if HAVE_WINSOCK2_H - WSACleanup(); -#endif -} - -#if HAVE_WINSOCK2_H -int ff_neterrno(void) -{ - int err = WSAGetLastError(); - switch (err) { - case WSAEWOULDBLOCK: - return AVERROR(EAGAIN); - case WSAEINTR: - return AVERROR(EINTR); - case WSAEPROTONOSUPPORT: - return AVERROR(EPROTONOSUPPORT); - case WSAETIMEDOUT: - return AVERROR(ETIMEDOUT); - case WSAECONNREFUSED: - return AVERROR(ECONNREFUSED); - case WSAEINPROGRESS: - return AVERROR(EINPROGRESS); - } - return -err; -} -#endif - -int ff_is_multicast_address(struct sockaddr *addr) -{ - if (addr->sa_family == AF_INET) { - return IN_MULTICAST(ntohl(((struct sockaddr_in *)addr)->sin_addr.s_addr)); - } -#if HAVE_STRUCT_SOCKADDR_IN6 - if (addr->sa_family == AF_INET6) { - return IN6_IS_ADDR_MULTICAST(&((struct sockaddr_in6 *)addr)->sin6_addr); - } -#endif - - return 0; -} |