Updated FFMPEG to version 1.1.2, using this project: http://sourceforge.net/projects/ffmpeg4android/
This commit is contained in:
Sergii Pylypenko
281
project/jni/ffmpeg/libavformat/tcp.c
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281
project/jni/ffmpeg/libavformat/tcp.c
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@@ -0,0 +1,281 @@
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/*
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* TCP protocol
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* Copyright (c) 2002 Fabrice Bellard
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "avformat.h"
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#include "libavutil/parseutils.h"
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#include "libavutil/opt.h"
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#include "internal.h"
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#include "network.h"
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#include "os_support.h"
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#include "url.h"
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#if HAVE_POLL_H
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#include <poll.h>
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#endif
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typedef struct TCPContext {
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const AVClass *class;
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int fd;
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int listen;
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int rw_timeout;
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int listen_timeout;
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} TCPContext;
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#define OFFSET(x) offsetof(TCPContext, x)
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#define D AV_OPT_FLAG_DECODING_PARAM
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#define E AV_OPT_FLAG_ENCODING_PARAM
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static const AVOption options[] = {
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{"listen", "listen on port instead of connecting", OFFSET(listen), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, D|E },
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{"timeout", "timeout of socket i/o operations", OFFSET(rw_timeout), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, D|E },
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{"listen_timeout", "connection awaiting timeout", OFFSET(listen_timeout), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, D|E },
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{NULL}
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};
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static const AVClass tcp_context_class = {
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.class_name = "tcp",
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.item_name = av_default_item_name,
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.option = options,
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.version = LIBAVUTIL_VERSION_INT,
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};
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/* return non zero if error */
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static int tcp_open(URLContext *h, const char *uri, int flags)
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{
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struct addrinfo hints = { 0 }, *ai, *cur_ai;
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int port, fd = -1;
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TCPContext *s = h->priv_data;
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const char *p;
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char buf[256];
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int ret;
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socklen_t optlen;
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char hostname[1024],proto[1024],path[1024];
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char portstr[10];
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h->rw_timeout = 5000000;
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av_url_split(proto, sizeof(proto), NULL, 0, hostname, sizeof(hostname),
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&port, path, sizeof(path), uri);
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if (strcmp(proto, "tcp"))
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return AVERROR(EINVAL);
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if (port <= 0 || port >= 65536) {
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av_log(h, AV_LOG_ERROR, "Port missing in uri\n");
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return AVERROR(EINVAL);
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}
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p = strchr(uri, '?');
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if (p) {
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if (av_find_info_tag(buf, sizeof(buf), "listen", p))
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s->listen = 1;
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if (av_find_info_tag(buf, sizeof(buf), "timeout", p)) {
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s->rw_timeout = strtol(buf, NULL, 10);
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}
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if (av_find_info_tag(buf, sizeof(buf), "listen_timeout", p)) {
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s->listen_timeout = strtol(buf, NULL, 10);
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}
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}
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h->rw_timeout = s->rw_timeout;
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hints.ai_family = AF_UNSPEC;
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hints.ai_socktype = SOCK_STREAM;
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snprintf(portstr, sizeof(portstr), "%d", port);
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if (s->listen)
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hints.ai_flags |= AI_PASSIVE;
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if (!hostname[0])
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ret = getaddrinfo(NULL, portstr, &hints, &ai);
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else
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ret = getaddrinfo(hostname, portstr, &hints, &ai);
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if (ret) {
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av_log(h, AV_LOG_ERROR,
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"Failed to resolve hostname %s: %s\n",
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hostname, gai_strerror(ret));
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return AVERROR(EIO);
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}
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cur_ai = ai;
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restart:
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ret = AVERROR(EIO);
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fd = socket(cur_ai->ai_family, cur_ai->ai_socktype, cur_ai->ai_protocol);
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if (fd < 0)
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goto fail;
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if (s->listen) {
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int fd1;
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int reuse = 1;
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struct pollfd lp = { fd, POLLIN, 0 };
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setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse));
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ret = bind(fd, cur_ai->ai_addr, cur_ai->ai_addrlen);
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if (ret) {
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ret = ff_neterrno();
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goto fail1;
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}
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ret = listen(fd, 1);
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if (ret) {
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ret = ff_neterrno();
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goto fail1;
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}
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ret = poll(&lp, 1, s->listen_timeout >= 0 ? s->listen_timeout : -1);
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if (ret <= 0) {
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ret = AVERROR(ETIMEDOUT);
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goto fail1;
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}
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fd1 = accept(fd, NULL, NULL);
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if (fd1 < 0) {
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ret = ff_neterrno();
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goto fail1;
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}
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closesocket(fd);
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fd = fd1;
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ff_socket_nonblock(fd, 1);
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} else {
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redo:
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ff_socket_nonblock(fd, 1);
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ret = connect(fd, cur_ai->ai_addr, cur_ai->ai_addrlen);
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}
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if (ret < 0) {
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struct pollfd p = {fd, POLLOUT, 0};
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int64_t wait_started;
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ret = ff_neterrno();
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if (ret == AVERROR(EINTR)) {
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if (ff_check_interrupt(&h->interrupt_callback)) {
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ret = AVERROR_EXIT;
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goto fail1;
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}
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goto redo;
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}
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if (ret != AVERROR(EINPROGRESS) &&
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ret != AVERROR(EAGAIN))
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goto fail;
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/* wait until we are connected or until abort */
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wait_started = av_gettime();
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do {
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if (ff_check_interrupt(&h->interrupt_callback)) {
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ret = AVERROR_EXIT;
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goto fail1;
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}
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ret = poll(&p, 1, 100);
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if (ret > 0)
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break;
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} while (!h->rw_timeout || (av_gettime() - wait_started < h->rw_timeout));
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if (ret <= 0) {
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ret = AVERROR(ETIMEDOUT);
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goto fail;
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}
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/* test error */
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optlen = sizeof(ret);
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if (getsockopt (fd, SOL_SOCKET, SO_ERROR, &ret, &optlen))
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ret = AVUNERROR(ff_neterrno());
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if (ret != 0) {
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char errbuf[100];
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ret = AVERROR(ret);
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av_strerror(ret, errbuf, sizeof(errbuf));
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av_log(h, AV_LOG_ERROR,
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"TCP connection to %s:%d failed: %s\n",
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hostname, port, errbuf);
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goto fail;
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}
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}
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h->is_streamed = 1;
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s->fd = fd;
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freeaddrinfo(ai);
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return 0;
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fail:
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if (cur_ai->ai_next) {
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/* Retry with the next sockaddr */
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cur_ai = cur_ai->ai_next;
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if (fd >= 0)
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closesocket(fd);
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goto restart;
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}
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fail1:
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if (fd >= 0)
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closesocket(fd);
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freeaddrinfo(ai);
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return ret;
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}
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static int tcp_read(URLContext *h, uint8_t *buf, int size)
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{
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TCPContext *s = h->priv_data;
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int ret;
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if (!(h->flags & AVIO_FLAG_NONBLOCK)) {
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ret = ff_network_wait_fd_timeout(s->fd, 0, h->rw_timeout, &h->interrupt_callback);
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if (ret)
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return ret;
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}
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ret = recv(s->fd, buf, size, 0);
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return ret < 0 ? ff_neterrno() : ret;
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}
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static int tcp_write(URLContext *h, const uint8_t *buf, int size)
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{
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TCPContext *s = h->priv_data;
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int ret;
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if (!(h->flags & AVIO_FLAG_NONBLOCK)) {
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ret = ff_network_wait_fd_timeout(s->fd, 1, h->rw_timeout, &h->interrupt_callback);
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if (ret)
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return ret;
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}
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ret = send(s->fd, buf, size, 0);
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return ret < 0 ? ff_neterrno() : ret;
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}
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static int tcp_shutdown(URLContext *h, int flags)
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{
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TCPContext *s = h->priv_data;
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int how;
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if (flags & AVIO_FLAG_WRITE && flags & AVIO_FLAG_READ) {
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how = SHUT_RDWR;
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} else if (flags & AVIO_FLAG_WRITE) {
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how = SHUT_WR;
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} else {
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how = SHUT_RD;
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}
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return shutdown(s->fd, how);
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}
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static int tcp_close(URLContext *h)
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{
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TCPContext *s = h->priv_data;
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closesocket(s->fd);
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return 0;
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}
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static int tcp_get_file_handle(URLContext *h)
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{
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TCPContext *s = h->priv_data;
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return s->fd;
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}
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URLProtocol ff_tcp_protocol = {
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.name = "tcp",
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.url_open = tcp_open,
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.url_read = tcp_read,
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.url_write = tcp_write,
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.url_close = tcp_close,
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.url_get_file_handle = tcp_get_file_handle,
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.url_shutdown = tcp_shutdown,
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.priv_data_size = sizeof(TCPContext),
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.priv_data_class = &tcp_context_class,
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.flags = URL_PROTOCOL_FLAG_NETWORK,
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};
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