Starting program: /home/jk/mplayer/ffmpeg/ffmpeg_g -i input.avi -vcodec 
snow -strict -2 -qscale 2 -pred 1 test.avi
Reading symbols from shared object read from target memory...done.
Loaded system supplied DSO at 0x2c8000
FFmpeg version SVN-r9132, Copyright (c) 2000-2007 Fabrice Bellard, et 
al.
  configuration: --enable-gpl --enable-pp --enable-swscaler 
--enable-x11grab --arch=k8
  libavutil version: 49.4.0
  libavcodec version: 51.40.4
  libavformat version: 51.12.1
  built on May 27 2007 00:02:26, gcc: 4.1.1 20070105 (Red Hat 4.1.1-51)
Input #0, mpeg, from 'input.avi':
  Duration: 00:04:47.8, start: 0.733333, bitrate: 1399 kb/s
  Stream #0.0[0x1e0]: Video: mpeg1video, yuv420p, 352x288, 1124 kb/s, 
25.00 fps(r)
  Stream #0.1[0x1c0]: Audio: mp2, 44100 Hz, stereo, 224 kb/s
File 'test.avi' already exists. Overwrite ? [y/N] y
Output #0, avi, to 'test.avi':
  Stream #0.0: Video: snow, yuv420p, 352x288, q=2-31, 200 kb/s, 25.00 
fps(c)
  Stream #0.1: Audio: mp2, 44100 Hz, stereo, 64 kb/s
Stream mapping:
  Stream #0.0 -> #0.0
  Stream #0.1 -> #0.1
Press [q] to stop encoding
ffmpeg_g: snow.c:2168: encode_q_branch: Assertion `iscore >= 0' failed.s

Program received signal SIGABRT, Aborted.
0x002c8402 in __kernel_vsyscall ()
(gdb) bt full
#0  0x002c8402 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00a65ee9 in raise () from /lib/libc.so.6
No symbol table info available.
#2  0x00a674f1 in abort () from /lib/libc.so.6
No symbol table info available.
#3  0x00a5f859 in __assert_fail () from /lib/libc.so.6
No symbol table info available.
#4  0x082da636 in encode_q_branch (s=0xb7d7c020, level=0, x=0, y=0) at 
snow.c:2168
        p_buffer = "�216n\224�, '\0' <repeats 467 times>, 
"S\000\000\000\032\000\000\000\n\000\000\000\002\000\000\000\004\000\000\000\005\000\000\000u\000\000\000\003\000\000\000\003\000\000\000\n\000\000\000\035\000\000\000\n\000\000\000\005\000\000\000\006\000\000\000\a\000\000\000\001\000\000\000�000\000\000�002\000\000$\000\000\000_\004N�}\a\222\000\000\000\034\002\000\000\031\004\000\000\026\006\000\0006\003\000\000V\000\000\000D\001\000\0001\002\000\000�001\000\000c\001\000\000\207\000\000\000e 
��I�R�X"...
        i_buffer = "�220\f>\225\237�", '\0' <repeats 1014 times>
        p_state = "\200\023\202", '\200' <repeats 28 times>, 
"@�b\200\200\200\200\200\200\200\200\177\200\200\200\200\n\b\b\n�\200\200\200\200%H0\214\214\177z\200\200\200\200�\200\200\206\206\200\200\200\200\2006\214\177tz\200\200\200\200\200p0l\214\177\206z\200\200\200\200�204\200z\200z\200\200\200\200\200l\177\177zz\200\200\200\200\200m�r3\177z\200\200\200\200\206\214\227nz\206\200\200\200\200n/>`tz\200\200\200\200F}\2044St\200\200\200\200\200\206n\206z\177\200\200\200\200\200h_\203dt\200\200\200\200\200'άx6.^\200\200\200\200\202tw{\177\201\200\200\200\200\200ClVn"...
        i_state = "\200 \202", '\200' <repeats 28 times>, 
"=�b\200\200\200\200\200\200\200\200\177\200\200\200\200\t\b\b\t�\200\200\200\200$D0\214\214\177z\200\200\200\200�\200\200\206\206\200\200\200\200\2006\214\177tz\200\200\200\200\200w0l\214\177\206z\200\200\200\200�204\200z\200z\200\200\200\200\200l\177\177zz\200\200\200\200\200]�r3\177z\200\200\200\200\206\214\227nz\206\200\200\200\200n/>`tz\200\200\200\200F}\2044St\200\200\200\200\200\206n\206z\177\200\200\200\200\200h_\203dt\200\200\200\200\200'άx6.^\200\200\200\200\202tw{\177\201\200\200\200\200\200ClVn"...
        pc = {low = 30524, range = 1330, outstanding_count = 0, 
outstanding_byte = -1,
  zero_state = 
"\000\000\000\000\000\000\000\000\b\b\t\n\v\f\r\016\017\020\021\022\023\024\025\026\026\030\031\032\033\033\035\035\036\037 !
\"$$%&'())+,-.//0123466789:;<=>>@ABBCDEFGHIJKLMNOPQRSTUUVWXYZ[\\]^_`abcdefghhijklmnopqrstuvwxyz{{|}~\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237"...,
  one_state = 
"\000\000\000\000\000\000\000\000\024\025\026\027\030\031\032\033\034\035\036\037 !
\"#$%%&'()*+,-./01234567889:;<=>?@ABCDEFGHIJKKLMNOPQRSTUVWXYZ[\\]^^_`abcdefghijklmnopqrrstuvwxyz{|}~\177\200\201\202\203\204\205\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\230\231\232\233\234\235\236\237������..., 
bytestream_start = 0xbf8de6e8 "�216n\224�,
  bytestream = 0xbf8de6e8 "�216n\224�, bytestream_end = 0xa175a10 
"4\002\222g\001N\017\217\225p�002\t\t:\213&\031"}
        ic = {low = 39173, range = 20475, outstanding_count = 0, 
outstanding_byte = 125,
  zero_state = 
"\000\000\000\000\000\000\000\000\b\b\t\n\v\f\r\016\017\020\021\022\023\024\025\026\026\030\031\032\033\033\035\035\036\037 !
\"$$%&'())+,-.//0123466789:;<=>>@ABBCDEFGHIJKLMNOPQRSTUUVWXYZ[\\]^_`abcdefghhijklmnopqrstuvwxyz{{|}~\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237"...,
  one_state = 
"\000\000\000\000\000\000\000\000\024\025\026\027\030\031\032\033\034\035\036\037 !
\"#$%%&'()*+,-./01234567889:;<=>?@ABCDEFGHIJKKLMNOPQRSTUVWXYZ[\\]^^_`abcdefghijklmnopqrrstuvwxyz{|}~\177\200\201\202\203\204\205\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\230\231\232\233\234\235\236\237������..., 
bytestream_start = 0xbf8de2e8 "�220\f>\225\237�",
  bytestream = 0xbf8de2e8 "�220\f>\225\237�", bytestream_end = 0xa175a10 
"4\002\222g\001N\017\217\225p�002\t\t:\213&\031"}
        pbbak = (
    uint8_t *) 0xa112a10 "~\"z,
\220\034��221i\"\026\\\035ǫ{�024��\\\202\t�032O#\032bl\221�\216oC�203Y\035V�\006]#\223�201\025\221
{\207\201f3��203@4j�\222��\220�036\005�/\201\221�\035\034l\237�k\002x9\003\235\036=\226�Z\005�\r'o':b�\026�\"\aS�\a=\236�
㯨�\203Fj)��a \v%V\211\227�G�\201Q�F\032\""...
        pbbak_start = (
    uint8_t *) 0xa112a10 "~\"z,
\220\034��221i\"\026\\\035ǫ{�024��\\\202\t�032O#\032bl\221�\216oC�203Y\035V�\006]#\223�201\025\221
{\207\201f3��203@4j�\222��\220�036\005�/\201\221�\035\034l\237�k\002x9\003\235\036=\226�Z\005�\r'o':b�\026�\"\aS�\a=\236�
㯨�\203Fj)��a \v%V\211\227�G�\201Q�F\032\""...
        score = 0
        score2 = Variable "score2" is not available.
(gdb)