(gdb) run ~/mpeg4ip/util/h264/harm.h264
Starting program: /home/wmay/ffmpeg/ffplay_g ~/mpeg4ip/util/h264/harm.h264
[Thread debugging using libthread_db enabled]
[New Thread 1079419552 (LWP 14399)]
[New Thread 1081592752 (LWP 14402)]
[New Thread 1085385648 (LWP 14403)]
[h264 @ 0x8379c6c]top block unavailable for requested intra4x4 mode -1 at 1 0
[h264 @ 0x8379c6c]error while decoding MB 1 0
[h264 @ 0x8379c6c]top block unavailable for requested intra4x4 mode -1 at 1 6
[h264 @ 0x8379c6c]error while decoding MB 1 6
[h264 @ 0x8379c6c]top block unavailable for requested intra4x4 mode -1 at 1 14
[h264 @ 0x8379c6c]error while decoding MB 1 14
[h264 @ 0x8379c6c]top block unavailable for requested intra4x4 mode -1 at 1 22
[h264 @ 0x8379c6c]error while decoding MB 1 22
[h264 @ 0x8379c6c]Unknown NAL code: 12
[h264 @ 0x8379c6c]concealing 1350 DC, 1350 AC, 1350 MV errors
[New Thread 1087486896 (LWP 14404)]
[h264 @ 0x8379c6c]top block unavailable for requested intra4x4 mode -1 at 1 0
[h264 @ 0x8379c6c]error while decoding MB 1 0
[h264 @ 0x8379c6c]top block unavailable for requested intra4x4 mode -1 at 1 6
[h264 @ 0x8379c6c]error while decoding MB 1 6
[h264 @ 0x8379c6c]top block unavailable for requested intra4x4 mode -1 at 1 14
[h264 @ 0x8379c6c]error while decoding MB 1 14
[h264 @ 0x8379c6c]top block unavailable for requested intra4x4 mode -1 at 1 22
[h264 @ 0x8379c6c]error while decoding MB 1 22
[h264 @ 0x8379c6c]Unknown NAL code: 12
[h264 @ 0x8379c6c]concealing 1350 DC, 1350 AC, 1350 MV errors
[h264 @ 0x8379c6c]error while decoding MB 5 6
ffplay_g: h264.c:6551: filter_mb: Assertion `0' failed.

Program received signal SIGABRT, Aborted.
[Switching to Thread 1087486896 (LWP 14404)]
0xffffe410 in ?? ()
(gdb) bt
#0  0xffffe410 in ?? ()
#1  0x40d1b000 in ?? ()
#2  0x00000006 in ?? ()
#3  0x00003844 in ?? ()
#4  0x4012b7a1 in raise () from /lib/tls/libc.so.6
#5  0x4012cf79 in abort () from /lib/tls/libc.so.6
#6  0x40124fe3 in __assert_fail () from /lib/tls/libc.so.6
#7  0x081c6f2d in filter_mb (h=0x8466150, mb_x=Variable "mb_x" is not available.
) at h264.c:6551
#8  0x081d35bc in hl_decode_mb (h=0x8466150) at h264.c:3449
#9  0x081d6422 in decode_slice (h=Variable "h" is not available.
) at h264.c:6704
#10 0x081d9894 in decode_nal_units (h=0x8466150, buf=0x8442840 "",
    buf_size=4170) at h264.c:7370
#11 0x081daa3e in decode_frame (avctx=0x83f98f0, data=0x8440e10,
    data_size=0x0, buf=0x8442840 "", buf_size=4170) at h264.c:7510
#12 0x080ab954 in avcodec_decode_video (avctx=0x83f98f0, picture=0x8440e10,
    got_picture_ptr=0x40d1b9cc, buf=0x8442840 "", buf_size=4170) at utils.c:625
#13 0x0805815e in video_thread (arg=0x408a9020) at ffplay.c:1283
#14 0x400bdf4b in SDL_RunThread () from /usr/lib/libSDL-1.2.so.0
#15 0x400be3dd in RunThread () from /usr/lib/libSDL-1.2.so.0
#16 0x400f99dd in start_thread () from /lib/tls/libpthread.so.0
#17 0x401bbffa in clone () from /lib/tls/libc.so.6
(gdb) disadd $pc-32 $pc+32
Undefined command: "disadd".  Try "help".
(gdb) disass $pc-32 $pc+32
Dump of assembler code from 0xffffe3f0 to 0xffffe430:
0xffffe3f0:     add    %al,(%eax)
0xffffe3f2:     add    %al,(%eax)
0xffffe3f4:     add    %al,(%eax)
0xffffe3f6:     add    %al,(%eax)
0xffffe3f8:     add    %al,(%eax)
0xffffe3fa:     add    %al,(%eax)
0xffffe3fc:     add    %al,(%eax)
0xffffe3fe:     add    %al,(%eax)
0xffffe400:     push   %ecx
0xffffe401:     push   %edx
0xffffe402:     push   %ebp
0xffffe403:     mov    %esp,%ebp
0xffffe405:     sysenter
0xffffe407:     nop
0xffffe408:     nop
0xffffe409:     nop
0xffffe40a:     nop
0xffffe40b:     nop
0xffffe40c:     nop
0xffffe40d:     nop
0xffffe40e:     jmp    0xffffe403
0xffffe410:     pop    %ebp
0xffffe411:     pop    %edx
0xffffe412:     pop    %ecx
0xffffe413:     ret
0xffffe414:     add    %al,(%eax)
0xffffe416:     add    %al,(%eax)
0xffffe418:     add    %al,(%eax)
0xffffe41a:     add    %al,(%eax)
0xffffe41c:     add    %al,(%eax)
0xffffe41e:     add    %al,(%eax)
0xffffe420:     pop    %eax
0xffffe421:     mov    $0x77,%eax
0xffffe426:     int    $0x80
0xffffe428:     nop
0xffffe429:     nop
0xffffe42a:     nop
0xffffe42b:     nop
0xffffe42c:     nop
0xffffe42d:     nop
0xffffe42e:     nop
0xffffe42f:     nop
End of assembler dump.
(gdb) info all-registers
eax            0x0      0
ecx            0x3844   14404
edx            0x6      6
ebx            0x383f   14399
esp            0x40d1afe8       0x40d1afe8
ebp            0x40d1b000       0x40d1b000
esi            0x2      2
edi            0x40215bd0       1075928016
eip            0xffffe410       0xffffe410
eflags         0x200206 2097670
cs             0x73     115
ss             0x7b     123
ds             0x7b     123
es             0x7b     123
fs             0x0      0
gs             0x33     51
st0            -nan(0x8080808080808080) (raw 0xffff8080808080808080)
st1            -nan(0x8080808080808080) (raw 0xffff8080808080808080)
st2            -nan(0x8080808080808080) (raw 0xffff8080808080808080)
st3            -nan(0x080808080)        (raw 0xffff0000000080808080)
st4            -nan(0x5050505050505050) (raw 0xffff5050505050505050)
st5            <invalid float value>    (raw 0xffff0000000000000000)
st6            <invalid float value>    (raw 0xffff0000000000000000)
st7            -nan(0x202020202020202)  (raw 0xffff0202020202020202)
fctrl          0x37f    895
fstat          0x120    288
ftag           0xaaaa   43690
fiseg          0x0      0
fioff          0x0      0
foseg          0x0      0
fooff          0x0      0
fop            0x0      0
xmm0           {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {
    0x8000000000000000, 0x8000000000000000}, v16_int8 = {
    0xff <repeats 16 times>}, v8_int16 = {0xffff, 0xffff, 0xffff, 0xffff,
    0xffff, 0xffff, 0xffff, 0xffff}, v4_int32 = {0xffffffff, 0xffffffff,
    0xffffffff, 0xffffffff}, v2_int64 = {0xffffffffffffffff,
    0xffffffffffffffff}, uint128 = 0xffffffffffffffffffffffffffffffff}
xmm1           {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {
    0x8000000000000000, 0x8000000000000000}, v16_int8 = {
    0xff <repeats 16 times>}, v8_int16 = {0xffff, 0xffff, 0xffff, 0xffff,
    0xffff, 0xffff, 0xffff, 0xffff}, v4_int32 = {0xffffffff, 0xffffffff,
    0xffffffff, 0xffffffff}, v2_int64 = {0xffffffffffffffff,
    0xffffffffffffffff}, uint128 = 0xffffffffffffffffffffffffffffffff}
xmm2           {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {
    0x8000000000000000, 0x8000000000000000}, v16_int8 = {
    0xff <repeats 16 times>}, v8_int16 = {0xffff, 0xffff, 0xffff, 0xffff,
    0xffff, 0xffff, 0xffff, 0xffff}, v4_int32 = {0xffffffff, 0xffffffff,
    0xffffffff, 0xffffffff}, v2_int64 = {0xffffffffffffffff,
    0xffffffffffffffff}, uint128 = 0xffffffffffffffffffffffffffffffff}
xmm3           {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {
    0x8000000000000000, 0x8000000000000000}, v16_int8 = {
    0xff <repeats 16 times>}, v8_int16 = {0xffff, 0xffff, 0xffff, 0xffff,
    0xffff, 0xffff, 0xffff, 0xffff}, v4_int32 = {0xffffffff, 0xffffffff,
    0xffffffff, 0xffffffff}, v2_int64 = {0xffffffffffffffff,
    0xffffffffffffffff}, uint128 = 0xffffffffffffffffffffffffffffffff}
xmm4           {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {
    0x8000000000000000, 0x8000000000000000}, v16_int8 = {
    0xff <repeats 16 times>}, v8_int16 = {0xffff, 0xffff, 0xffff, 0xffff,
    0xffff, 0xffff, 0xffff, 0xffff}, v4_int32 = {0xffffffff, 0xffffffff,
    0xffffffff, 0xffffffff}, v2_int64 = {0xffffffffffffffff,
    0xffffffffffffffff}, uint128 = 0xffffffffffffffffffffffffffffffff}
xmm5           {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {
    0x8000000000000000, 0x8000000000000000}, v16_int8 = {
    0xff <repeats 16 times>}, v8_int16 = {0xffff, 0xffff, 0xffff, 0xffff,
    0xffff, 0xffff, 0xffff, 0xffff}, v4_int32 = {0xffffffff, 0xffffffff,
    0xffffffff, 0xffffffff}, v2_int64 = {0xffffffffffffffff,
    0xffffffffffffffff}, uint128 = 0xffffffffffffffffffffffffffffffff}
xmm6           {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {
    0x8000000000000000, 0x8000000000000000}, v16_int8 = {
    0xff <repeats 16 times>}, v8_int16 = {0xffff, 0xffff, 0xffff, 0xffff,
    0xffff, 0xffff, 0xffff, 0xffff}, v4_int32 = {0xffffffff, 0xffffffff,
    0xffffffff, 0xffffffff}, v2_int64 = {0xffffffffffffffff,
    0xffffffffffffffff}, uint128 = 0xffffffffffffffffffffffffffffffff}
xmm7           {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {
    0x8000000000000000, 0x8000000000000000}, v16_int8 = {
    0xff <repeats 16 times>}, v8_int16 = {0xffff, 0xffff, 0xffff, 0xffff,
    0xffff, 0xffff, 0xffff, 0xffff}, v4_int32 = {0xffffffff, 0xffffffff,
    0xffffffff, 0xffffffff}, v2_int64 = {0xffffffffffffffff,
    0xffffffffffffffff}, uint128 = 0xffffffffffffffffffffffffffffffff}
mxcsr          0x1f80   8064
mm0            {uint64 = 0x8080808080808080, v2_int32 = {0x80808080,
    0x80808080}, v4_int16 = {0x8080, 0x8080, 0x8080, 0x8080}, v8_int8 = {0x80,
    0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80}}
mm1            {uint64 = 0x8080808080808080, v2_int32 = {0x80808080,
    0x80808080}, v4_int16 = {0x8080, 0x8080, 0x8080, 0x8080}, v8_int8 = {0x80,
    0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80}}
mm2            {uint64 = 0x8080808080808080, v2_int32 = {0x80808080,
    0x80808080}, v4_int16 = {0x8080, 0x8080, 0x8080, 0x8080}, v8_int8 = {0x80,
    0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80}}
mm3            {uint64 = 0x80808080, v2_int32 = {0x80808080, 0x0}, v4_int16 = {
    0x8080, 0x8080, 0x0, 0x0}, v8_int8 = {0x80, 0x80, 0x80, 0x80, 0x0, 0x0,
    0x0, 0x0}}
mm4            {uint64 = 0x5050505050505050, v2_int32 = {0x50505050,
    0x50505050}, v4_int16 = {0x5050, 0x5050, 0x5050, 0x5050}, v8_int8 = {0x50,
    0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50}}
mm5            {uint64 = 0x0, v2_int32 = {0x0, 0x0}, v4_int16 = {0x0, 0x0,
    0x0, 0x0}, v8_int8 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}
mm6            {uint64 = 0x0, v2_int32 = {0x0, 0x0}, v4_int16 = {0x0, 0x0,
    0x0, 0x0}, v8_int8 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}
mm7            {uint64 = 0x202020202020202, v2_int32 = {0x2020202, 0x2020202},
  v4_int16 = {0x202, 0x202, 0x202, 0x202}, v8_int8 = {0x2, 0x2, 0x2, 0x2, 0x2,
    0x2, 0x2, 0x2}}
(gdb) quit
The program is running.  Exit anyway? (y or n) y