[/share/Qmultimedia/Filme] # ffmpeg -re -i test.avi -acodec copy -vcodec copy -f flv rtmp://x.x.x.x:1935/test

ffmpeg version 0.8.10, Copyright (c) 2000-2011 the FFmpeg developers
  built on Mar  1 2013 02:33:45 with gcc 4.1.3 20070929 (prerelease) (Ubuntu 4.1.2-16ubuntu2)
  configuration: --prefix=/opt/cross-project/x86/sys-root/usr --disable-static --enable-shared --disable-yasm --enable-gpl --disable-encoder=snow --disable-decoder=snow
  libavutil    51.  9. 1 / 51.  9. 1
  libavcodec   53.  8. 0 / 53.  8. 0
  libavformat  53.  5. 0 / 53.  5. 0
  libavdevice  53.  1. 1 / 53.  1. 1
  libavfilter   2. 23. 0 /  2. 23. 0
  libswscale    2.  0. 0 /  2.  0. 0
  libpostproc  51.  2. 0 / 51.  2. 0

Seems stream 0 codec frame rate differs from container frame rate: 23.98 (65535/2733) -> 23.98 (24000/1001)
Input #0, avi, from 'test.avi':
  Metadata:
    encoder         : VirtualDubMod 1.5.10.2 (build 2540/release)
  Duration: 02:45:22.07, start: 0.000000, bitrate: 2004 kb/s
    Stream #0.0: Video: mpeg4, yuv420p, 720x304 [PAR 1:1 DAR 45:19], 23.98 tbr, 23.98 tbn, 23.98 tbc
    Stream #0.1: Audio: ac3, 48000 Hz, 5.1, s16, 448 kb/s
rtmp://x.x.x.x:1935/test: Input/output error
[/share/Qmultimedia/Filme] #