New submission from Sami Farin <[EMAIL PROTECTED]>:
This has been bisected to x264 commit 7c35ae4abafb8babf1d5456f967920a38d5b572f:
6% faster deblock: remove some clips, earlier termiantion on low qps.
It does not matter what is the input file, it can be any picture and you get the
same result.
Starting program: /usr/local/bin/ffmpeg -i x.png -y -acodec copy -vcodec libx264
x.avi
Missing separate debuginfo for /usr/lib64/libgsm.so.1
Try: yum --enablerepo='*-debuginfo' install
/usr/lib/debug/.build-id/d7/0631553a083c7d34ced79f78b3cde0e615ab8b.debug
[Thread debugging using libthread_db enabled]
FFmpeg version SVN-r14883, Copyright (c) 2000-2008 Fabrice Bellard, et al.
configuration: --cc=/usr/bin/gcc --extra-cflags=-m64 -O2 -std=gnu99
--enable-libvorbis --enable-libx264 --enable-libmp3lame --enable-gpl
--enable-pthreads --enable-postproc --enable-swscale --enable-libxvid
--enable-libfaac --enable-libfaad --enable-libgsm
libavutil 49.10. 0 / 49.10. 0
libavcodec 51.69. 0 / 51.69. 0
libavformat 52.20. 0 / 52.20. 0
libavdevice 52. 1. 0 / 52. 1. 0
built on Aug 21 2008 19:24:28, gcc: 4.3.1 20080728 (Red Hat 4.3.1-5)
Input #0, image2, from 'x.png':
Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
Stream #0.0: Video: png, pal8, 420x300, 25.00 tb(r)
Output #0, avi, to 'x.avi':
Stream #0.0: Video: libx264, yuv420p, 420x300, q=2-31, 200 kb/s, 25.00 tb(c)
Stream mapping:
Stream #0.0 -> #0.0
[libx264 @ 0x2844270]width or height not divisible by 16 (420x300), compression
will suffer.
[libx264 @ 0x2844270]using cpu capabilities: MMX2 SSE2 SSE3 Cache64
Press [q] to stop encoding
[New Thread 0x7fb69c9c66f0 (LWP 5783)]
Program received signal SIGSEGV, Segmentation fault.
0x00000000007cd9e4 in evalPow (p=0x7fff9b307650) at encoder/eval.c:174
174 if(p->s[0]=='+') p->s++;
Missing separate debuginfos, use: debuginfo-install glibc.x86_64
(gdb) bt
#0 0x00000000007cd9e4 in evalPow (p=0x7fff9b307650) at encoder/eval.c:174
#1 0x00000000007ce14f in evalFactor (p=0x7fff9b307650) at encoder/eval.c:196
#2 0x00000000007ce1bb in evalTerm (p=0x7fff9b307650) at encoder/eval.c:208
#3 0x00000000007ce255 in evalExpression (p=0x7fff9b307650) at
encoder/eval.c:222
#4 0x00000000007ce321 in x264_eval (s=<value optimized out>,
const_value=0x7fff9b307a10,
const_name=0xb64ec0, func1=0xb64eb0, func1_name=0xb64ea0, func2=0x0,
func2_name=0x0,
opaque=0x7fff9b307b70) at encoder/eval.c:251
#5 0x00000000007bd561 in get_qscale (h=0x2851f50, rce=0x7fff9b307b70,
rate_factor=0.050458375507239764, frame_num=<value optimized out>)
at encoder/ratecontrol.c:1198
#6 0x00000000007c17ed in rate_estimate_qscale (h=0x2851f50) at
encoder/ratecontrol.c:1552
#7 0x00000000007c1f7c in x264_ratecontrol_start (h=0x2851f50, i_force_qp=0)
at encoder/ratecontrol.c:808
#8 0x0000000000785dc9 in x264_encoder_encode (h=0x2851f50,
pp_nal=0x7fff9b307db0,
pi_nal=0x7fff9b307dbc, pic_in=<value optimized out>, pic_out=0x7fff9b307d60)
at encoder/encoder.c:1471
#9 0x000000000070f04c in X264_frame ()
#10 0x00000000004b6f87 in avcodec_encode_video ()
#11 0x000000000042e71f in output_packet ()
#12 0x0000000000431fad in av_encode ()
#13 0x0000000000432540 in main ()
(gdb) d32
Dump of assembler code from 0x7cd9c4 to 0x7cda04:
0x00000000007cd9c4 <evalPow+6>: pop %rbp
0x00000000007cd9c5 <evalPow+7>: fmuls 0x65(%rcx,%rcx,4)
0x00000000007cd9c9 <evalPow+11>: loopne 0x7cda17 <evalPow+89>
0x00000000007cd9cb <evalPow+13>: mov %ebp,-0x18(%rbp)
0x00000000007cd9ce <evalPow+16>: mov %r14,-0x10(%rbp)
0x00000000007cd9d2 <evalPow+20>: mov %r15,-0x8(%rbp)
0x00000000007cd9d6 <evalPow+24>: sub $0x50,%rsp
0x00000000007cd9da <evalPow+28>: mov %rdi,%r13
0x00000000007cd9dd <evalPow+31>: mov 0x328(%rdi),%rax
0x00000000007cd9e4 <evalPow+38>: cmpb $0x2b,(%rax)
0x00000000007cd9e7 <evalPow+41>: jne 0x7cd9f4 <evalPow+54>
0x00000000007cd9e9 <evalPow+43>: add $0x1,%rax
0x00000000007cd9ed <evalPow+47>: mov %rax,0x328(%rdi)
0x00000000007cd9f4 <evalPow+54>: mov 0x328(%r13),%rax
0x00000000007cd9fb <evalPow+61>: mov $0x0,%r14d
0x00000000007cda01 <evalPow+67>: cmpb $0x2d,(%rax)
End of assembler dump.
(gdb) info all-reg
rax 0x0 0
rbx 0x7fff9b307650 140735797032528
rcx 0xb64eb0 11947696
rdx 0xb64ec0 11947712
rsi 0x7fff9b307a10 140735797033488
rdi 0x7fff9b307650 140735797032528
rbp 0x7fff9b3075c0 0x7fff9b3075c0
rsp 0x7fff9b307570 0x7fff9b307570
r8 0xb64ea0 11947680
r9 0x0 0
r10 0x0 0
r11 0x201 513
r12 0x2888450 42501200
r13 0x7fff9b307650 140735797032528
r14 0x0 0
r15 0x2 2
rip 0x7cd9e4 0x7cd9e4 <evalPow+38>
eflags 0x10202 [ IF RF ]
cs 0x33 51
ss 0x2b 43
ds 0x0 0
es 0x0 0
fs 0x0 0
gs 0x0 0
st0 -nan(0xebebebebeb000000) (raw 0xffffebebebebeb000000)
st1 -nan(0xebebebebebebebeb) (raw 0xffffebebebebebebebeb)
st2 -inf (raw 0xffff0000000000000000)
st3 -nan(0xebebebebeb000000) (raw 0xffffebebebebeb000000)
st4 -nan(0xebebebebebebebeb) (raw 0xffffebebebebebebebeb)
st5 -nan(0xebebebebebebebeb) (raw 0xffffebebebebebebebeb)
st6 -nan(0xeb00eb00eb00eb) (raw 0xffff00eb00eb00eb00eb)
st7 -nan(0xebebebebebebebeb) (raw 0xffffebebebebebebebeb)
fctrl 0x37f 895
fstat 0x0 0
ftag 0xffff 65535
fiseg 0x0 0
fioff 0x0 0
foseg 0x0 0
fooff 0x0 0
fop 0x0 0
xmm0 {v4_float = {0x0, 0x0, 0x0, 0x8}, v2_double = {0x0, 0x21748},
v16_int8 = {
0x0 <repeats 12 times>, 0x40, 0xba, 0x0, 0x41}, v8_int16 = {0x0, 0x0, 0x0,
0x0, 0x0, 0x0,
0xba40, 0x4100}, v4_int32 = {0x0, 0x0, 0x0, 0x4100ba40}, v2_int64 = {0x0,
0x4100ba4000000000}, uint128 = 0x4100ba40000000000000000000000000}
xmm1 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double =
{0x8000000000000000, 0x0},
v16_int8 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf8, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0,
0x0}, v8_int16 = {0x0, 0x0, 0x0, 0xfff8, 0x0, 0x0, 0x0, 0x0}, v4_int32 =
{0x0,
0xfff80000, 0x0, 0x0}, v2_int64 = {0xfff8000000000000, 0x0},
uint128 = 0x0000000000000000fff8000000000000}
xmm2 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double =
{0x8000000000000000, 0x0},
v16_int8 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf8, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0,
0x0}, v8_int16 = {0x0, 0x0, 0x0, 0xfff8, 0x0, 0x0, 0x0, 0x0}, v4_int32 =
{0x0,
0xfff80000, 0x0, 0x0}, v2_int64 = {0xfff8000000000000, 0x0},
uint128 = 0x0000000000000000fff8000000000000}
xmm3 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double =
{0x8000000000000000, 0x0},
v16_int8 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf8, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0,
0x0}, v8_int16 = {0x0, 0x0, 0x0, 0xfff8, 0x0, 0x0, 0x0, 0x0}, v4_int32 =
{0x0,
0xfff80000, 0x0, 0x0}, v2_int64 = {0xfff8000000000000, 0x0},
uint128 = 0x0000000000000000fff8000000000000}
xmm4 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double =
{0x8000000000000000, 0x0},
v16_int8 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf8, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0,
0x0}, v8_int16 = {0x0, 0x0, 0x0, 0xfff8, 0x0, 0x0, 0x0, 0x0}, v4_int32 =
{0x0,
0xfff80000, 0x0, 0x0}, v2_int64 = {0xfff8000000000000, 0x0},
uint128 = 0x0000000000000000fff8000000000000}
xmm5 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double =
{0x8000000000000000, 0x0},
v16_int8 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf8, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0,
0x0}, v8_int16 = {0x0, 0x0, 0x0, 0xfff8, 0x0, 0x0, 0x0, 0x0}, v4_int32 =
{0x0,
0xfff80000, 0x0, 0x0}, v2_int64 = {0xfff8000000000000, 0x0},
uint128 = 0x0000000000000000fff8000000000000}
xmm6 {v4_float = {0x0, 0x8, 0x0, 0x0}, v2_double = {0x21748, 0x0},
v16_int8 = {0x0,
0x0, 0x0, 0x0, 0x40, 0xba, 0x0, 0x41, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0},
v8_int16 = {0x0, 0x0, 0xba40, 0x4100, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x0,
0x4100ba40,
0x0, 0x0}, v2_int64 = {0x4100ba4000000000, 0x0},
uint128 = 0x00000000000000004100ba4000000000}
xmm7 {v4_float = {0x0, 0x1, 0x0, 0x0}, v2_double = {0x1, 0x0},
v16_int8 = {0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0xf0, 0x3f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0}, v8_int16 = {
0x0, 0x0, 0x0, 0x3ff0, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x3ff00000,
0x0, 0x0},
v2_int64 = {0x3ff0000000000000, 0x0}, uint128 =
0x00000000000000003ff0000000000000}
xmm8 {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}
xmm9 {v4_float = {0x0, 0x4, 0x0, 0x0}, v2_double = {0x201, 0x0},
v16_int8 = {0x0,
0x0, 0x0, 0x0, 0x0, 0x8, 0x80, 0x40, 0xeb, 0x0, 0xeb, 0x0, 0xeb, 0x0, 0xeb,
0x0},
v8_int16 = {0x0, 0x0, 0x800, 0x4080, 0xeb, 0xeb, 0xeb, 0xeb}, v4_int32 = {0x0,
0x40800800,
0xeb00eb, 0xeb00eb}, v2_int64 = {0x4080080000000000, 0xeb00eb00eb00eb},
uint128 = 0x00eb00eb00eb00eb4080080000000000}
xmm10 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
v16_int8 = {0xeb,
0x0, 0xeb, 0x0, 0xeb, 0x0, 0xeb, 0x0, 0xeb, 0x0, 0xeb, 0x0, 0xeb, 0x0, 0xeb,
0x0},
v8_int16 = {0xeb, 0xeb, 0xeb, 0xeb, 0xeb, 0xeb, 0xeb, 0xeb}, v4_int32 =
{0xeb00eb,
0xeb00eb, 0xeb00eb, 0xeb00eb}, v2_int64 = {0xeb00eb00eb00eb,
0xeb00eb00eb00eb},
uint128 = 0x00eb00eb00eb00eb00eb00eb00eb00eb}
xmm11 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
v16_int8 = {0xeb,
0x0, 0xeb, 0x0, 0xeb, 0x0, 0xeb, 0x0, 0xeb, 0x0, 0xeb, 0x0, 0xeb, 0x0, 0xeb,
0x0},
v8_int16 = {0xeb, 0xeb, 0xeb, 0xeb, 0xeb, 0xeb, 0xeb, 0xeb}, v4_int32 =
{0xeb00eb,
0xeb00eb, 0xeb00eb, 0xeb00eb}, v2_int64 = {0xeb00eb00eb00eb,
0xeb00eb00eb00eb},
uint128 = 0x00eb00eb00eb00eb00eb00eb00eb00eb}
xmm12 {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}
xmm13 {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}
xmm14 {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}
xmm15 {v4_float = {0x0, 0x1, 0x0, 0x0}, v2_double = {0x1, 0x0},
v16_int8 = {0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0xf0, 0x3f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0}, v8_int16 = {
0x0, 0x0, 0x0, 0x3ff0, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x3ff00000,
0x0, 0x0},
v2_int64 = {0x3ff0000000000000, 0x0}, uint128 =
0x00000000000000003ff0000000000000}
mxcsr 0x1fa1 [ IE PE IM DM ZM OM UM PM ]
----------
messages: 2828
nosy: safari
priority: normal
status: new
substatus: new
title: libx264 segfault in evalPow
type: bug
______________________________________________________
FFmpeg issue tracker <[EMAIL PROTECTED]>
<https://roundup.mplayerhq.hu/roundup/ffmpeg/issue593>
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