[FFmpeg-trac] #591(undetermined:open): svq1: ffmpeg crashes with enabled lowres
FFmpeg
trac at avcodec.org
Wed Oct 26 18:13:06 CEST 2011
#591: svq1: ffmpeg crashes with enabled lowres
-------------------------------------+-------------------------------------
Reporter: ami_stuff | Owner:
Type: defect | Status: open
Priority: normal | Component:
Version: unspecified | undetermined
Keywords: regression | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 1
-------------------------------------+-------------------------------------
Comment (by ami_stuff):
{{{
$ gdb ffmpeg_g.exe
GNU gdb (GDB) 7.2
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "mingw32".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from f:\MinGW\bin/ffmpeg_g.exe...done.
(gdb) r -lowres 1 -i QT-Sorenson.mov -vcodec msmpeg4v2 out.avi
Starting program: f:\MinGW\bin/ffmpeg_g.exe -lowres 1 -i QT-Sorenson.mov
-vcodec
msmpeg4v2 out.avi
[New Thread 5836.0x12bc]
ffmpeg version 0.8.5.git-4416931, Copyright (c) 2000-2011 the FFmpeg
developers
built on Oct 26 2011 18:05:33 with gcc 4.5.2
configuration: --enable-static --disable-shared --disable-ffplay
--disable-ffs
erver --disable-yasm
libavutil 51. 22. 0 / 51. 22. 0
libavcodec 53. 23. 0 / 53. 23. 0
libavformat 53. 17. 0 / 53. 17. 0
libavdevice 53. 4. 0 / 53. 4. 0
libavfilter 2. 45. 0 / 2. 45. 0
libswscale 2. 1. 0 / 2. 1. 0
[adpcm_ima_qt @ 03ca9020] The maximum value for lowres supported by the
decoder
is 0
[svq1 @ 03caf440] The maximum value for lowres supported by the decoder is
0
[mov,mp4,m4a,3gp,3g2,mj2 @ 03ca8b20] max_analyze_duration 5000000 reached
at 500
3900
Seems stream 1 codec frame rate differs from container frame rate:
1000000.00 (1
000000/1) -> 24.00 (1000000/41667)
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'QT-Sorenson.mov':
Metadata:
creation_time : 2002-10-02 22:42:43
Duration: 00:00:05.95, start: 0.000000, bitrate: 785 kb/s
Stream #0:0(eng): Audio: adpcm_ima_qt (ima4 / 0x34616D69), 11025 Hz, 2
chann
els, s16, 88 kb/s
Metadata:
creation_time : 2002-10-02 22:42:43
Stream #0:1(eng): Video: svq1 (SVQ1 / 0x31515653), yuv410p, 96x64, 688
kb/s,
24 fps, 24 tbr, 1000k tbn, 1000k tbc
Metadata:
creation_time : 2002-10-02 22:42:43
Incompatible pixel format 'yuv410p' for codec 'msmpeg4v2', auto-selecting
format
'yuv420p'
[buffer @ 03cb8f20] w:96 h:64 pixfmt:yuv410p tb:1/1000000 sar:0/1
sws_param:
[buffersink @ 03cb9320] auto-inserting filter 'auto-inserted scale 0'
between th
e filter 'src' and the filter 'out'
[scale @ 03cb9720] w:96 h:64 fmt:yuv410p -> w:96 h:64 fmt:yuv420p
flags:0x4
Incompatible sample format 's16' for codec 'ac3', auto-selecting format
'flt'
[ac3 @ 03ca7460] channel_layout not specified
[ac3 @ 03ca7460] No channel layout specified. The encoder will guess the
layout,
but it might be incorrect.
[adpcm_ima_qt @ 03ca9020] The maximum value for lowres supported by the
decoder
is 0
[svq1 @ 03caf440] The maximum value for lowres supported by the decoder is
0
Output #0, avi, to 'out.avi':
Metadata:
creation_time : 2002-10-02 22:42:43
ISFT : Lavf53.17.0
Stream #0:0(eng): Video: msmpeg4v2 (MP42 / 0x3234504D), yuv420p,
96x64, q=2-
31, 200 kb/s, 24 tbn, 24 tbc
Metadata:
creation_time : 2002-10-02 22:42:43
Stream #0:1(eng): Audio: ac3 ([0] [0][0] / 0x2000), 11025 Hz, stereo,
flt, 1
28 kb/s
Metadata:
creation_time : 2002-10-02 22:42:43
Stream mapping:
Stream #0.1 -> #0.0 (svq1 -> msmpeg4v2)
Stream #0.0 -> #0.1 (adpcm_ima_qt -> ac3)
Press [q] to stop, [?] for help
Program received signal SIGSEGV, Segmentation fault.
0x00756c16 in svq1_decode_block_intra (pixels=0x439cdf0 "", pitch=192,
bitbuf=<value optimized out>) at libavcodec/svq1dec.c:234
234 memset (&dst[y*(pitch / 4)], 0, width);
(gdb) bt
#0 0x00756c16 in svq1_decode_block_intra (pixels=0x439cdf0 "", pitch=192,
bitbuf=<value optimized out>) at libavcodec/svq1dec.c:234
#1 0x00757019 in svq1_decode_frame (avctx=0x3caf440, data=0x3cbc2e0,
data_size=0x22dedc, avpkt=0x22de38) at libavcodec/svq1dec.c:704
#2 0x004f6741 in avcodec_decode_video2 (avctx=0x3caf440,
picture=0x3cbc2e0,
got_picture_ptr=0x22dedc, avpkt=0x22de38) at libavcodec/utils.c:817
#3 0x0040743e in output_packet (ist=0x3cb82f8, ist_index=1,
ost_table=0x4218508, nb_ostreams=2, pkt=0x22fbe8) at ffmpeg.c:1691
#4 0x0040a61a in transcode (output_files=<value optimized out>,
nb_output_files=0, input_files=0x0, nb_input_files=4255059)
at ffmpeg.c:2635
#5 0x0022ff48 in ?? ()
#6 0x00000000 in ?? ()
(gdb) disass $pc-32,$pc+32
Dump of assembler code from 0x756bf6 to 0x756c36:
0x00756bf6 <svq1_decode_block_intra+1082>: decl -0x7adbdbbc(%ebx)
0x00756bfc <svq1_decode_block_intra+1088>: rorb $0x84,(%edi)
0x00756bff <svq1_decode_block_intra+1091>: jo 0x756bfe
<svq1_decode_blo
ck_intra+1090>
0x00756c01 <svq1_decode_block_intra+1093>: (bad)
0x00756c02 <svq1_decode_block_intra+1094>: decl 0x31042454(%ebx)
0x00756c08 <svq1_decode_block_intra+1100>: fisttpl -0x72cbdb94(%ebx)
0x00756c0e <svq1_decode_block_intra+1106>: jbe 0x756c10
<svq1_decode_blo
ck_intra+1108>
0x00756c10 <svq1_decode_block_intra+1108>: mov %edx,%edi
0x00756c12 <svq1_decode_block_intra+1110>: mov %esi,%ecx
0x00756c14 <svq1_decode_block_intra+1112>: xor %eax,%eax
=> 0x00756c16 <svq1_decode_block_intra+1114>: rep stos %al,%es:(%edi)
0x00756c18 <svq1_decode_block_intra+1116>: inc %ebx
0x00756c19 <svq1_decode_block_intra+1117>: add %ebp,%edx
0x00756c1b <svq1_decode_block_intra+1119>: cmp 0x24(%esp),%ebx
0x00756c1f <svq1_decode_block_intra+1123>: jb 0x756c10
<svq1_decode_blo
ck_intra+1108>
0x00756c21 <svq1_decode_block_intra+1125>: incl 0x30(%esp)
0x00756c25 <svq1_decode_block_intra+1129>: mov 0x30(%esp),%eax
0x00756c29 <svq1_decode_block_intra+1133>: cmp %eax,0x3c(%esp)
0x00756c2d <svq1_decode_block_intra+1137>: jg 0x756808
<svq1_decode_blo
ck_intra+76>
0x00756c33 <svq1_decode_block_intra+1143>: jmp 0x756985
<svq1_decode_blo
ck_intra+457>
End of assembler dump.
(gdb) info all-registers
eax 0x0 0
ecx 0x8 8
edx 0x439d030 70897712
ebx 0x3 3
esp 0x22d818 0x22d818
ebp 0xc0 0xc0
esi 0x8 8
edi 0x439d030 70897712
eip 0x756c16 0x756c16 <svq1_decode_block_intra+1114>
eflags 0x210246 [ PF ZF IF RF ID ]
cs 0x1b 27
ss 0x23 35
ds 0x23 35
es 0x23 35
fs 0x3b 59
gs 0x0 0
st0 -inf (raw 0xffff0000000000000000)
st1 -nan(0x000000010) (raw 0xffff0000000000000010)
st2 -0.012505903840065002 (raw 0xbff8cce5900000000000)
st3 -8.3927585027721713e-006 (raw 0xbfee8cce9f901b200000)
st4 4.928071761160962e-011 (raw 0x3fdcd8bd27c633510000)
st5 -0.041961669921875 (raw 0xbffaabe0000000000000)
st6 0 (raw 0x00000000000000000000)
st7 0 (raw 0x00000000000000000000)
fctrl 0xffff037f -64641
fstat 0xffff0120 -65248
ftag 0xffffffff -1
fiseg 0x0 0
fioff 0x0 0
foseg 0xffff0000 -65536
fooff 0x0 0
fop 0x0 0
xmm0 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
v16_int8 = {0xd5, 0xb8, 0x9d, 0xb8, 0x8b, 0x9b, 0x47, 0xba, 0xf4, 0xec,
0x24, 0x3a, 0xd8, 0xfe, 0xe4, 0x3a}, v8_int16 = {0xb8d5, 0xb89d,
0x9b8b,
0xba47, 0xecf4, 0x3a24, 0xfed8, 0x3ae4}, v4_int32 = {0xb89db8d5,
0xba479b8b, 0x3a24ecf4, 0x3ae4fed8}, v2_int64 = {0xba479b8bb89db8d5,
0x3ae4fed83a24ecf4}, uint128 = 0x3ae4fed83a24ecf4ba479b8bb89db8d5}
xmm1 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
v16_int8 = {0x66, 0x4b, 0x38, 0xba, 0xea, 0x44, 0xed, 0x3b, 0xff, 0x74,
0x57, 0xbb, 0xc4, 0x94, 0x9e, 0xba}, v8_int16 = {0x4b66, 0xba38,
0x44ea,
0x3bed, 0x74ff, 0xbb57, 0x94c4, 0xba9e}, v4_int32 = {0xba384b66,
0x3bed44ea, 0xbb5774ff, 0xba9e94c4}, v2_int64 = {0x3bed44eaba384b66,
0xba9e94c4bb5774ff}, uint128 = 0xba9e94c4bb5774ff3bed44eaba384b66}
xmm2 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
v16_int8 = {0xdf, 0x49, 0x99, 0x3b, 0x1e, 0xa, 0xc6, 0x3a, 0x21, 0xa8,
0xb2, 0xba, 0x36, 0x43, 0xcb, 0x38}, v8_int16 = {0x49df, 0x3b99,
0xa1e,
0x3ac6, 0xa821, 0xbab2, 0x4336, 0x38cb}, v4_int32 = {0x3b9949df,
0x3ac60a1e, 0xbab2a821, 0x38cb4336}, v2_int64 = {0x3ac60a1e3b9949df,
0x38cb4336bab2a821}, uint128 = 0x38cb4336bab2a8213ac60a1e3b9949df}
xmm3 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
v16_int8 = {0xd4, 0x8b, 0x3a, 0xbb, 0x33, 0x87, 0x90, 0x3a, 0x20, 0xe6,
0xd, 0xbb, 0x80, 0xa0, 0xd6, 0x3b}, v8_int16 = {0x8bd4, 0xbb3a,
0x8733,
0x3a90, 0xe620, 0xbb0d, 0xa080, 0x3bd6}, v4_int32 = {0xbb3a8bd4,
0x3a908733, 0xbb0de620, 0x3bd6a080}, v2_int64 = {0x3a908733bb3a8bd4,
0x3bd6a080bb0de620}, uint128 = 0x3bd6a080bb0de6203a908733bb3a8bd4}
xmm4 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
v16_int8 = {0xff, 0xff, 0x7f, 0xbf, 0xff, 0xff, 0x7f, 0xbf, 0xff, 0xff,
0x7f, 0xbf, 0xff, 0xff, 0x7f, 0xbf}, v8_int16 = {0xffff, 0xbf7f,
0xffff,
0xbf7f, 0xffff, 0xbf7f, 0xffff, 0xbf7f}, v4_int32 = {0xbf7fffff,
0xbf7fffff, 0xbf7fffff, 0xbf7fffff}, v2_int64 = {0xbf7fffffbf7fffff,
0xbf7fffffbf7fffff}, uint128 = 0xbf7fffffbf7fffffbf7fffffbf7fffff}
xmm5 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
v16_int8 = {0xff, 0xff, 0x7f, 0x3f, 0xff, 0xff, 0x7f, 0x3f, 0xff, 0xff,
0x7f, 0x3f, 0xff, 0xff, 0x7f, 0x3f}, v8_int16 = {0xffff, 0x3f7f,
0xffff,
0x3f7f, 0xffff, 0x3f7f, 0xffff, 0x3f7f}, v4_int32 = {0x3f7fffff,
0x3f7fffff, 0x3f7fffff, 0x3f7fffff}, v2_int64 = {0x3f7fffff3f7fffff,
0x3f7fffff3f7fffff}, uint128 = 0x3f7fffff3f7fffff3f7fffff3f7fffff}
xmm6 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
v16_int8 = {0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0,
0x0,
0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0,
0x0},
uint128 = 0x00000000000000000000000000000000}
xmm7 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
v16_int8 = {0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0,
0x0,
0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0,
0x0},
uint128 = 0x00000000000000000000000000000000}
mxcsr 0x1fa0 [ PE IM DM ZM OM UM PM ]
mm0 {uint64 = 0x0, v2_int32 = {0x0, 0x0}, v4_int16 = {0x0, 0x0,
0x0, 0x0}, v8_int8 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}
mm1 {uint64 = 0x10, v2_int32 = {0x10, 0x0}, v4_int16 = {0x10,
0x0,
0x0, 0x0}, v8_int8 = {0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}
mm2 {uint64 = 0xcce5900000000000, v2_int32 = {0x0, 0xcce59000},
v4_int16 = {0x0, 0x0, 0x9000, 0xcce5}, v8_int8 = {0x0, 0x0, 0x0, 0x0,
0x0,
0x90, 0xe5, 0xcc}}
mm3 {uint64 = 0x8cce9f901b200000, v2_int32 = {0x1b200000,
0x8cce9f90}, v4_int16 = {0x0, 0x1b20, 0x9f90, 0x8cce}, v8_int8 = {0x0,
0x0, 0x20, 0x1b, 0x90, 0x9f, 0xce, 0x8c}}
mm4 {uint64 = 0xd8bd27c633510000, v2_int32 = {0x33510000,
0xd8bd27c6}, v4_int16 = {0x0, 0x3351, 0x27c6, 0xd8bd}, v8_int8 = {0x0,
0x0, 0x51, 0x33, 0xc6, 0x27, 0xbd, 0xd8}}
mm5 {uint64 = 0xabe0000000000000, v2_int32 = {0x0, 0xabe00000},
v4_int16 = {0x0, 0x0, 0x0, 0xabe0}, v8_int8 = {0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0xe0, 0xab}}
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 = 0x0, v2_int32 = {0x0, 0x0}, v4_int16 = {0x0, 0x0,
0x0, 0x0}, v8_int8 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}
(gdb)
}}}
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/591#comment:3>
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