ffmpeg update to june 23 version which fixes mp4 crash on still frames with 3...

source/patched-ffmpeg-mt/ffserver.c

 /*
  * Multiple format streaming server
  * 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.
@@ skipping 2288 matching lines @@
                                 c->stream->feed->feed_write_index,
                                 c->stream->feed->feed_size);
 
         if (c->stream->max_time &&
             c->stream->max_time + c->start_time - cur_time < 0)
             /* We have timed out */
             c->state = HTTPSTATE_SEND_DATA_TRAILER;
         else {
             AVPacket pkt;
         redo:
-            if (av_read_frame(c->fmt_in, &pkt) < 0) {
-                if (c->stream->feed && c->stream->feed->feed_opened) {
+            ret = av_read_frame(c->fmt_in, &pkt);
+            if (ret < 0) {
+                if (c->stream->feed) {
                     /* if coming from feed, it means we reached the end of the
                        ffm file, so must wait for more data */
                     c->state = HTTPSTATE_WAIT_FEED;
                     return 1; /* state changed */
+                } else if (ret == AVERROR(EAGAIN)) {
+                    /* input not ready, come back later */
+                    return 0;
                 } else {
                     if (c->stream->loop) {
                         av_close_input_file(c->fmt_in);
                         c->fmt_in = NULL;
                         if (open_input_stream(c, "") < 0)
                             goto no_loop;
                         goto redo;
                     } else {
                     no_loop:
                         /* must send trailer now because eof or error */
@@ skipping 2437 matching lines @@
     if (ffserver_daemon)
         chdir("/");
 
     if (http_server() < 0) {
         http_log("Could not start server\n");
         exit(1);
     }
 
     return 0;
 }