[Ffmpeg-devel] [BUG] better gdb report on crash in fft.c on mingw.

[tempn at twmi.rr.com]

here is a better gdb output of the bug i reported a week ago
http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2006-June/011821.html

hope this helps
-compn

bt
#0  0x008010d8 in ff_fft_calc_c (s=0x2c7f2a0, z=0x2c7f370) at fft.c:224
#1  0x007ffe39 in ff_imdct_calc (s=0x2c7f290, output=0x226ad0, 
    input=0x2c7b290, tmp=0x2c7f370) at dsputil.h:597
#2  0x006b9c06 in wma_decode_block (s=0x2c74e30) at wmadec.c:1116
#3  0x006ba6bb in wma_decode_frame (s=0x2c74e30, samples=0x2c36008)
    at wmadec.c:1170
#4  0x006baa9f in wma_decode_superframe (avctx=0x3110050, data=0x2c36008, 
    data_size=0x22ec08, buf=0x2c1ca00 "\004", buf_size=1152) at
wmadec.c:1271
#5  0x005998b4 in avcodec_decode_audio (avctx=0x3110050, samples=0x2c36008, 
    frame_size_ptr=0x22ec08, buf=0x2c1ca00 "\004", buf_size=1152)
    at utils.c:976
#6  0x004a076e in decode_audio (sh_audio=0x2c01c28, buf=0x2c36008 "", 
    minlen=1, maxlen=257536) at ad_ffmpeg.c:159
#7  0x004a04a7 in init (sh_audio=0x2c01c28) at ad_ffmpeg.c:109
#8  0x00462975 in init_audio_codec (sh_audio=0x2c01c28) at dec_audio.c:93
#9  0x00462d32 in init_audio (sh_audio=0x2c01c28, codecname=0x0, afm=0x0, 
    status=2) at dec_audio.c:192
#10 0x004630bf in init_best_audio_codec (sh_audio=0x2c01c28, 
    audio_codec_list=0x22ed04, audio_fm_list=0x0) at dec_audio.c:237
#11 0x00407935 in reinit_audio_chain () at mplayer.c:2346
#12 0x0040d395 in main (argc=3, argv=0x1b629d0) at mplayer.c:3594
(gdb) disass $pc-32 $pc+32
Dump of assembler code from 0x8010b8 to 0x8010f8:
0x8010b8 <ff_fft_calc_c+280>:   fadd   %st(3),%st
0x8010ba <ff_fft_calc_c+282>:   fxch   %st(2)
0x8010bc <ff_fft_calc_c+284>:   fstps  (%eax)
0x8010be <ff_fft_calc_c+286>:   fsubp  %st,%st(2)
0x8010c0 <ff_fft_calc_c+288>:   fstps  0x4(%edx)
0x8010c3 <ff_fft_calc_c+291>:   add    $0x8,%edx
0x8010c6 <ff_fft_calc_c+294>:   fstps  0x4(%eax)
0x8010c9 <ff_fft_calc_c+297>:   add    $0x8,%eax
0x8010cc <ff_fft_calc_c+300>:   cmp    %esi,%ebx
0x8010ce <ff_fft_calc_c+302>:   jge    0x801122 <ff_fft_calc_c+386>
0x8010d0 <ff_fft_calc_c+304>:   flds   0x4(%eax)
0x8010d3 <ff_fft_calc_c+307>:   mov    0xffffffec(%ebp),%edi
0x8010d6 <ff_fft_calc_c+310>:   flds   (%eax)
0x8010d8 <ff_fft_calc_c+312>:   flds   (%edi,%ecx,8)
0x8010db <ff_fft_calc_c+315>:   flds   0x4(%edi,%ecx,8)
0x8010df <ff_fft_calc_c+319>:   add    %ebx,%ecx
0x8010e1 <ff_fft_calc_c+321>:   fld    %st(1)
0x8010e3 <ff_fft_calc_c+323>:   fmul   %st(3),%st
0x8010e5 <ff_fft_calc_c+325>:   fxch   %st(2)
0x8010e7 <ff_fft_calc_c+327>:   fmul   %st(4),%st
0x8010e9 <ff_fft_calc_c+329>:   fxch   %st(3)
0x8010eb <ff_fft_calc_c+331>:   fmul   %st(1),%st
0x8010ed <ff_fft_calc_c+333>:   fxch   %st(1)
0x8010ef <ff_fft_calc_c+335>:   fmulp  %st,%st(4)
0x8010f1 <ff_fft_calc_c+337>:   faddp  %st,%st(2)
0x8010f3 <ff_fft_calc_c+339>:   flds   (%edx)
0x8010f5 <ff_fft_calc_c+341>:   flds   0x4(%edx)
End of assembler dump.
(gdb) info all-registers
eax            0x2c7f398        46658456
ecx            0x80     128
edx            0x2c7f378        46658424
ebx            0x80     128
esp            0x22699c 0x22699c
ebp            0x2269b8 0x2269b8
esi            0x200    512
edi            0x0      0
eip            0x8010d8 0x8010d8
eflags         0x10283  66179
cs             0x1b     27
ss             0x23     35
ds             0x23     35
es             0x23     35
fs             0x38     56
gs             0x0      0
st0            0        (raw 0x00000000000000000000)
st1            0        (raw 0x00000000000000000000)
st2            0.001    (raw 0x3ff583126e978d4fe000)
st3            0.001    (raw 0x3ff583126e978d4fe000)
st4            0        (raw 0x00000000000000000000)
st5            0        (raw 0x00000000000000000000)
st6            0        (raw 0x00000000000000000000)
st7            0        (raw 0x80000000000000000000)
fctrl          0xffff027f       -64897
fstat          0xffff3020       -53216
ftag           0xffff5fff       -40961
fiseg          0x0      0
fioff          0x0      0
foseg          0xffff0000       -65536
fooff          0x0      0
fop            0x0      0
(gdb)