$ valgrind mpeg2dec -o null 23_Nichts_ist_so_wie_es_schein.mpg 
==20147== Memcheck, a memory error detector.
==20147== Copyright (C) 2002-2006, and GNU GPL'd, by Julian Seward et al.
==20147== Using LibVEX rev 1606, a library for dynamic binary translation.
==20147== Copyright (C) 2004-2006, and GNU GPL'd, by OpenWorks LLP.
==20147== Using valgrind-3.2.0-Debian, a dynamic binary instrumentation framework.
==20147== Copyright (C) 2000-2006, and GNU GPL'd, by Julian Seward et al.
==20147== For more details, rerun with: -v
==20147== 
mpeg2dec-0.4.0 - by Michel Lespinasse <walken@zoy.org> and Aaron Holtzman
==20147== Invalid read of size 8
==20147==    at 0xFCDDBC8: MC_avg_o_8_altivec (motion_comp_altivec.c:48)
==20147==    by 0xFCD0170: motion_mp1 (slice.c:1280)
==20147==    by 0xFCCC8D0: mpeg2_slice (slice.c:1874)
==20147==    by 0xFCC9B84: mpeg2_parse (decode.c:188)
==20147==    by 0x10002AD4: (within /usr/bin/mpeg2dec)
==20147==    by 0x10004464: (within /usr/bin/mpeg2dec)
==20147==    by 0xFB4D724: (below main) (libc-start.c:231)
==20147==  Address 0x80808290 is not stack'd, malloc'd or (recently) free'd
==20147== 
==20147== Process terminating with default action of signal 11 (SIGSEGV)
==20147==  Access not within mapped region at address 0x80808290
==20147==    at 0xFCDDBC8: MC_avg_o_8_altivec (motion_comp_altivec.c:48)
==20147==    by 0xFCD0170: motion_mp1 (slice.c:1280)
==20147==    by 0xFCCC8D0: mpeg2_slice (slice.c:1874)
==20147==    by 0xFCC9B84: mpeg2_parse (decode.c:188)
==20147==    by 0x10002AD4: (within /usr/bin/mpeg2dec)
==20147==    by 0x10004464: (within /usr/bin/mpeg2dec)
==20147==    by 0xFB4D724: (below main) (libc-start.c:231)
==20147== 
==20147== ERROR SUMMARY: 2 errors from 1 contexts (suppressed: 6 from 3)
==20147== malloc/free: in use at exit: 1,702,121 bytes in 14 blocks.
==20147== malloc/free: 14 allocs, 0 frees, 1,702,121 bytes allocated.
==20147== For counts of detected errors, rerun with: -v
==20147== searching for pointers to 14 not-freed blocks.
==20147== checked 925,508 bytes.
==20147== 
==20147== LEAK SUMMARY:
==20147==    definitely lost: 0 bytes in 0 blocks.
==20147==      possibly lost: 0 bytes in 0 blocks.
==20147==    still reachable: 1,702,121 bytes in 14 blocks.
==20147==         suppressed: 0 bytes in 0 blocks.
==20147== Reachable blocks (those to which a pointer was found) are not shown.
==20147== To see them, rerun with: --show-reachable=yes