lowres with wmv2 crashes ffmpeg

[ami_stuff]

issue 2510

C:\>ffmpeg -i C:\WMV-WMV8_WMA8.wmv
FFmpeg version git-N-29181-ga304071, Copyright (c) 2000-2011 the FFmpeg develope
rs
  built on Apr 18 2011 21:24:03 with gcc 4.5.2
  configuration: --enable-gpl --enable-version3 --enable-runtime-cpudetect --ena
ble-memalign-hack --enable-avisynth --enable-bzlib --enable-frei0r --enable-libo
pencore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-libgsm --
enable-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-libschroedinger
 --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libvpx --enabl
e-libx264 --enable-libxavs --enable-libxvid --enable-zlib --cross-prefix=i686-w6
4-mingw32- --target-os=mingw32 --arch=x86_32 --extra-cflags=-I/home/kyle/softwar
e/ffmpeg/external-libraries/win32/include --extra-ldflags=-L/home/kyle/software/
ffmpeg/external-libraries/win32/lib --pkg-config=pkg-config
  libavutil    50. 40. 1 / 50. 40. 1
  libavcodec   52.120. 0 / 52.120. 0
  libavformat  52.108. 0 / 52.108. 0
  libavdevice  52.  4. 0 / 52.  4. 0
  libavfilter   1. 79. 0 /  1. 79. 0
  libswscale    0. 13. 0 /  0. 13. 0

Seems stream 1 codec frame rate differs from container frame rate: 1000.00 (1000
/1) -> 24.00 (24/1)
Input #0, asf, from 'C:\WMV-WMV8_WMA8.wmv':
  Metadata:
    title           :
    artist          :
    copyright       :
    comment         :
    WMFSDKVersion   : 7.01.00.3055
    WMFSDKNeeded    : 0.0.0.0000
  Duration: 00:00:06.44, start: 0.000000, bitrate: 146 kb/s
    Stream #0.0: Audio: wmav2, 16000 Hz, 2 channels, s16, 16 kb/s
    Stream #0.1: Video: wmv2, yuv420p, 160x120, 24 tbr, 1k tbn, 1k tbc
At least one output file must be specified

[Michael Niedermayer]

Fixed in c402ce41