ffmpeg source update for sep 09

source/patched-ffmpeg-mt/libavformat/tcp.c

 /*
  * TCP protocol
  * Copyright (c) 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.
@@ skipping 36 matching lines @@
 
     av_url_split(proto, sizeof(proto), NULL, 0, hostname, sizeof(hostname),
         &port, path, sizeof(path), uri);
     if (strcmp(proto,"tcp") || port <= 0 || port >= 65536)
         return AVERROR(EINVAL);
 
     memset(&hints, 0, sizeof(hints));
     hints.ai_family = AF_UNSPEC;
     hints.ai_socktype = SOCK_STREAM;
     snprintf(portstr, sizeof(portstr), "%d", port);
-    if (getaddrinfo(hostname, portstr, &hints, &ai))
+    ret = getaddrinfo(hostname, portstr, &hints, &ai);
+    if (ret) {
+        av_log(NULL, AV_LOG_ERROR,
+               "Failed to resolve hostname %s: %s\n",
+               hostname, gai_strerror(ret));
         return AVERROR(EIO);
+    }
 
     cur_ai = ai;
 
  restart:
     fd = socket(cur_ai->ai_family, cur_ai->ai_socktype, cur_ai->ai_protocol);
     if (fd < 0)
         goto fail;
     ff_socket_nonblock(fd, 1);
 
  redo:
@@ skipping 17 matching lines @@
             tv.tv_sec = 0;
             tv.tv_usec = 100 * 1000;
             ret = select(fd_max + 1, NULL, &wfds, NULL, &tv);
             if (ret > 0 && FD_ISSET(fd, &wfds))
                 break;
         }
 
         /* test error */
         optlen = sizeof(ret);
         getsockopt (fd, SOL_SOCKET, SO_ERROR, &ret, &optlen);
-        if (ret != 0)
+        if (ret != 0) {
+            av_log(NULL, AV_LOG_ERROR,
+                   "TCP connection to %s:%d failed: %s\n",
+                   hostname, port, strerror(ret));
             goto fail;
+        }
     }
     s = av_malloc(sizeof(TCPContext));
     if (!s) {
         freeaddrinfo(ai);
         return AVERROR(ENOMEM);
     }
     h->priv_data = s;
     h->is_streamed = 1;
     s->fd = fd;
     freeaddrinfo(ai);
@@ skipping 98 matching lines @@
 
 URLProtocol tcp_protocol = {
     "tcp",
     tcp_open,
     tcp_read,
     tcp_write,
     NULL, /* seek */
     tcp_close,
     .url_get_file_handle = tcp_get_file_handle,
 };