zzuf .avi hangs FFMPEG

[Oana Stratulat]

==27488== Memcheck, a memory error detector
==27488== Copyright (C) 2002-2010, and GNU GPL'd, by Julian Seward et al.
==27488== Using Valgrind-3.6.1-Debian and LibVEX; rerun with -h for copyright info
==27488== Command: ffmpeg -i corruptfile -f null -
==27488==
ffmpeg version N-35989-gaa1c590, Copyright (c) 2000-2011 the FFmpeg developers

built on Dec 20 2011 14:30:54 with gcc 4.6.1
configuration:
libavutil 51. 32. 0 / 51. 32. 0
libavcodec 53. 46. 1 / 53. 46. 1
libavformat 53. 27. 0 / 53. 27. 0
libavdevice 53. 4. 0 / 53. 4. 0
libavfilter 2. 53. 0 / 2. 53. 0
libswscale 2. 1. 0 / 2. 1. 0

Input #0, avi, from 'corruptfile':

Duration: 00:00:00.42, start: 0.000000, bitrate: 1769 kb/s

Stream #0:0: Video: loco (LOCO / 0x4F434F4C), yuv422p, 188x128, 7.04 tbr, 7.04 tbn, 7.04 tbc

[buffer @ 0x58bdec0] w:188 h:128 pixfmt:yuv422p tb:1/1000000 sar:0/1 sws_param:
Output #0, null, to 'pipe:':

Metadata:

encoder : Lavf53.27.0
Stream #0:0: Video: rawvideo (Y42B / 0x42323459), yuv422p, 188x128, q=2-31, 200 kb/s, 90k tbn, 7.04 tbc

Stream mapping:

Stream #0:0 -> #0:0 (loco -> rawvideo)

Press [q] to stop, ? for help
==27488==
==27488== HEAP SUMMARY:
==27488== in use at exit: 455,771 bytes in 53 blocks
==27488== total heap usage: 79 allocs, 26 frees, 559,195 bytes allocated
==27488==
==27488== LEAK SUMMARY:
==27488== definitely lost: 0 bytes in 0 blocks
==27488== indirectly lost: 0 bytes in 0 blocks
==27488== possibly lost: 0 bytes in 0 blocks
==27488== still reachable: 455,771 bytes in 53 blocks
==27488== suppressed: 0 bytes in 0 blocks
==27488== Rerun with --leak-check=full to see details of leaked memory
==27488==
==27488== For counts of detected and suppressed errors, rerun with: -v
==27488== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 4 from 4)