compn <[EMAIL PROTECTED]> added the comment:
here is mingw mplayer gdb
in the original report
http://bugzilla.mplayerhq.hu/show_bug.cgi?id=947
reimar said it didnt crash for him.
MPlayer dev-SVN-r25045-3.4.5
E:\temp>gdb mplayer
GNU gdb 5.2.1
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This GDB was configured as "i686-pc-mingw32"...
(gdb) run vp6_crash.avi
Starting program: e:\cdrive\mplayer/mplayer.exe vp6_crash.avi
Program received signal SIGSEGV, Segmentation fault.
0x00682994 in vp6_parse_coeff_huffman (s=0x334e000) at ../libavutil/bswap.h:57
57 {
(gdb) bt
#0 0x00682994 in vp6_parse_coeff_huffman (s=0x334e000)
at ../libavutil/bswap.h:57
#1 0x007a3c35 in vp56_decode_frame (avctx=0x34f6e90, data=0x332fde0,
data_size=0x22edac, buf=0x34defd8 "=8", buf_size=97928) at vp56.c:410
#2 0x005902c6 in avcodec_decode_video (avctx=0x34f6e90, picture=0x332fde0,
got_picture_ptr=0x22edac, buf=0x34defd8 "=8", buf_size=97928)
at utils.c:939
#3 0x00466981 in decode (sh=0x3410a18, data=0x34defd8, len=97928, flags=0)
at vd_ffmpeg.c:780
#4 0x00463ca6 in decode_video (sh_video=0x3410a18, start=0x34defd8 "=8",
in_size=97928, drop_frame=0, pts=0) at dec_video.c:366
#5 0x0040749f in main (argc=2, argv=0x2292718) at mplayer.c:2044
(gdb) disass $pc-32 $pc+32
Dump of assembler code from 0x682974 to 0x6829b4:
0x682974 <vp6_parse_coeff_huffman+132>: add %cl,0x7a8bc875(%ebx)
0x68297a <vp6_parse_coeff_huffman+138>: add $0x8b,%al
0x68297c <vp6_parse_coeff_huffman+140>: push %ebp
0x68297d <vp6_parse_coeff_huffman+141>: or %cl,0x928b085e(%ebx)
0x682983 <vp6_parse_coeff_huffman+147>: pop %esp
0x682984 <vp6_parse_coeff_huffman+148>: and $0x0,%al
0x682986 <vp6_parse_coeff_huffman+150>: add %cl,0xc1d989d8(%ecx)
0x68298c <vp6_parse_coeff_huffman+156>: clc
0x68298d <vp6_parse_coeff_huffman+157>: add 0x558907e1(%ebx),%eax
0x682993 <vp6_parse_coeff_huffman+163>: int3
0x682994 <vp6_parse_coeff_huffman+164>: mov (%eax,%edx,1),%eax
0x682997 <vp6_parse_coeff_huffman+167>: bswap %eax
0x682999 <vp6_parse_coeff_huffman+169>: shl %cl,%eax
0x68299b <vp6_parse_coeff_huffman+171>: shr $0xf7,%eax
0x68299e <vp6_parse_coeff_huffman+174>: movswl 0x2(%edi,%eax,4),%edx
0x6829a3 <vp6_parse_coeff_huffman+179>: movswl (%edi,%eax,4),%esi
0x6829a7 <vp6_parse_coeff_huffman+183>: test %edx,%edx
0x6829a9 <vp6_parse_coeff_huffman+185>:
jns 0x682a04 <vp6_parse_coeff_huffman+276>
0x6829ab <vp6_parse_coeff_huffman+187>: add $0x9,%ebx
0x6829ae <vp6_parse_coeff_huffman+190>: mov 0xffffffcc(%ebp),%ecx
0x6829b1 <vp6_parse_coeff_huffman+193>: neg %edx
---Type <return> to continue, or q <return> to quit---
0x6829b3 <vp6_parse_coeff_huffman+195>: mov %ebx,%eax
End of assembler dump.
(gdb) info all-registers
eax 0x18f4a 102218
ecx 0x1 1
edx 0x34df0b4 55439540
ebx 0xc7a51 817745
esp 0x22eb00 0x22eb00
ebp 0x22eb38 0x22eb38
esi 0x335045c 53806172
edi 0x332c3b0 53658544
eip 0x682994 0x682994
eflags 0x10202 66050
cs 0x1b 27
ss 0x23 35
ds 0x23 35
es 0x23 35
fs 0x38 56
gs 0x0 0
st0 -nan(0xffffffffffffffff) (raw 0xffffffffffffffffffff)
st1 -nan(0x8080808080808080) (raw 0xffff8080808080808080)
st2 -nan(0x208020802080208) (raw 0xffff0208020802080208)
st3 -nan(0x208020802080208) (raw 0xffff0208020802080208)
st4 -nan(0x208020802080208) (raw 0xffff0208020802080208)
st5 -nan(0x208020802080208) (raw 0xffff0208020802080208)
st6 -nan(0x208020802080208) (raw 0xffff0208020802080208)
---Type <return> to continue, or q <return> to quit---
st7 -nan(0x208020802080208) (raw 0xffff0208020802080208)
fctrl 0xffff037f -64641
fstat 0xffff0020 -65504
ftag 0xffffaaaa -21846
fiseg 0x0 0
fioff 0x0 0
foseg 0xffff0000 -65536
fooff 0x0 0
fop 0x0 0
(gdb)
----------
substatus: needs_more_info -> open
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FFmpeg issue tracker <[EMAIL PROTECTED]>
<https://roundup.mplayerhq.hu/roundup/ffmpeg/issue275>
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