root@ing09p:/usr/src/ffmpeg# valgrind ./ffmpeg_g -i ../tmp/toto.flv
==26016== Memcheck, a memory error detector.
==26016== Copyright (C) 2002-2006, and GNU GPL'd, by Julian Seward et al.
==26016== Using LibVEX rev 1658, a library for dynamic binary translation.
==26016== Copyright (C) 2004-2006, and GNU GPL'd, by OpenWorks LLP.
==26016== Using valgrind-3.2.1-Debian, a dynamic binary instrumentation framework.
==26016== Copyright (C) 2000-2006, and GNU GPL'd, by Julian Seward et al.
==26016== For more details, rerun with: -v
==26016==
FFmpeg version SVN-r12176, Copyright (c) 2000-2008 Fabrice Bellard, et al.
  configuration: --enable-shared --disable-ffserver --disable-ffplay --enable-memalign-hack
  libavutil version: 49.6.0
  libavcodec version: 51.50.1
  libavformat version: 52.7.0
  libavdevice version: 52.0.0
  built on Feb 25 2008 14:00:21, gcc: 4.1.2 (Ubuntu 4.1.2-0ubuntu4)

Seems stream 0 codec frame rate differs from container frame rate: 1000.00 (1000/1) -> 29.92 (359/12)
Input #0, flv, from '../tmp/toto.flv':
  Duration: 00:01:06.4, start: 0.000000, bitrate: 32 kb/s
    Stream #0.0: Video: flv, yuv420p, 320x240 [PAR 0:1 DAR 0:1], 29.92 tb(r)
    Stream #0.1: Audio: mp3, 22050 Hz, stereo, 32 kb/s
Must supply at least one output file
==26016==
==26016== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 25 from 1)
==26016== malloc/free: in use at exit: 122,107 bytes in 114 blocks.
==26016== malloc/free: 384 allocs, 270 frees, 1,365,629 bytes allocated.
==26016== For counts of detected errors, rerun with: -v
==26016== searching for pointers to 114 not-freed blocks.
==26016== checked 1,278,608 bytes.
==26016==
==26016== LEAK SUMMARY:
==26016==    definitely lost: 0 bytes in 0 blocks.
==26016==      possibly lost: 0 bytes in 0 blocks.
==26016==    still reachable: 122,107 bytes in 114 blocks.
==26016==         suppressed: 0 bytes in 0 blocks.
==26016== Reachable blocks (those to which a pointer was found) are not shown.
==26016== To see them, rerun with: --show-reachable=yes