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Gmane
From: <guzman <at> zalem.net>
Subject: Segmentation fault
Newsgroups: gmane.comp.video.transcode.user
Date: Wednesday 18th January 2006 15:11:02 UTC (over 10 years ago)
hello there,
when I try to transcode video file, I get seg fault. i just try to
change the format of the video. In my example, I have a non-compressed
video coming from a minidv camera, and trying to transcode it to xvid
format.
I've tried other output format like divx, mpeg, even raw video, with or
without sound, never works.
I always get both tcdecode an transcode seg fault.

I'm using transcode 1.0.2, build by ports on a FreeBSD 6.0.
barjack:~$ uname -a
FreeBSD barjack.zalem.net 6.0-RELEASE FreeBSD 6.0-RELEASE #8: Sun Jan 15
10:49:19 CET 2006 [email protected]:/home/src/sys/i386/compile/Barjack
 i386
barjack:~$ transcode -v
transcode v1.0.2 (C) 2001-2003 Thomas Oestreich, 2003-2004 T. Bitterberg

My computer is a laptop, here is a part of dmesg :
CPU: Intel(R) Pentium(R) 4 CPU 2.40GHz (2390.30-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0xf24  Stepping = 4
   
Features=0x3febf9ff
real memory  = 534708224 (509 MB)


Here is output from transcode through gdb :
barjack:~/pub/avi$ gdb transcode
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you
are
welcome to change it and/or distribute copies of it under certain
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for
details.
This GDB was configured as "i386-marcel-freebsd"...(no debugging symbols
found)...
(gdb) run -i incident.avi -o incident.new.avi -y xvid4,lame -q2
Starting program: /usr/local/bin/transcode -i incident.avi -o
incident.new.avi -y xvid4,lame -q2
(no debugging symbols found)...(no debugging symbols found)...(no
debugging symbols found)...(no debugging symbols found)...(no debugging
symbols found)...warning: Unable to get location for thread creation
breakpoint: generic error
[New LWP 100109]
(no debugging symbols found)...(no debugging symbols found)...transcode
v1.0.2 (C) 2001-2003 Thomas Oestreich, 2003-2004 T. Bitterberg
libdvdread: Using libdvdcss version 1.2.8 for DVD access
libdvdread: Can't open file VIDEO_TS.IFO.
[tcprobe] RIFF data, AVI video
[transcode] (probe) suggested AV correction -D 0 (0 ms) | AV 0 ms | 0 ms
(probe.c) V magic=0x17, A magic=0x17, V codec=0x1000, A codec=0x1
(probe.c) V magic=RIFF data, AVI, A magic=RIFF data, AVI, V
codec=Digital Video, A codec=PCM
[transcode] auto-probing source incident.avi (ok)
[transcode] V: import format    | Digital Video RIFF data, AVI
(V=dv|A=avi)
[transcode] V: import frame     | 720x576  1.25:1  
[transcode] V: bits/pixel       | 0.174
[transcode] V: decoding fps,frc | 25.000,3
[transcode] V: Y'CbCr           | YV12/I420
[transcode] A: import format    | 0x1     PCM          [32000,16,2] 1024
kbps
[transcode] A: export format    | 0x55    MPEG layer-3 [32000,16,2]  128
kbps
[transcode] V: encoding fps,frc | 25.000,3
[transcode] A: bytes per frame  | 5120 (5120.000000)
[transcode] A: adjustment       | [email protected]
[transcode] V: IA32/AMD64 accel | sse2 (sse2 sse mmxext mmx asm C)
tc_memcpy: using sse for memcpy
[transcode] encoder delay = decode=40000 encode=40000 usec
[transcode] V: video buffer     | 10 @ 720x576
[transcode] allocating 10 framebuffer (static)
loading audio import module /usr/local/lib/transcode/import_avi.so
[New Thread 0x80a5000 (LWP 100132)]
loading video import module /usr/local/lib/transcode/import_dv.so
[import_avi.so] v0.4.2 (2002-05-24) (video) * | (audio) *
Audio capability flag 0x233 | 0x1
[import_dv.so] v0.3.1 (2003-10-14) (video) DV | (audio) PCM
Video capability flag 0x32b | 0x2
loading audio export module /usr/local/lib/transcode/export_lame.so
loading video export module /usr/local/lib/transcode/export_xvid4.so
[export_lame.so] v0.0.3 (2003-03-06) (audio) MPEG 1/2
(encoder.c) audio capability flag 0x1 | 0x1
[export_xvid4.so] v0.0.5 (2003-12-05) (video) XviD 1.0.x series (aka API
4.0) | (audio) MPEG/AC3/PCM
(encoder.c) video capability flag 0x21f | 0x2
[transcode] starting 1 frame processing thread(s)
[transcode] starting 1 frame processing thread(s)
[import_avi.so] format=0x1, rate=32000 Hz, bits=16, channels=2,
bitrate=1024
[import_dv.so] tcextract -x dv -i "incident.avi" -d 3 | tcdecode -x dv
-y yv12 -d 3 -Q 5
[export_xvid4.so] Trying to load shared lib
/usr/local/lib/transcode/libxvidcore.so.4
tc_memcpy: using sse for memcpy
[tcextract] (pid=2234) RIFF data, AVI video
[tcextract] (pid=2234) starting, doing dv
[export_xvid4.so] Loaded /usr/local/lib/transcode/libxvidcore.so.4
[export_xvid4.so] Neither './xvid4.cfg' nor '~/.transcode/xvid4.cfg'
[export_xvid4.so] found. Default settings will be used instead.
[export_xvid4.so] 
[export_xvid4.so] Feature settings
[export_xvid4.so] ----------------------------------------
[export_xvid4.so] quant_type = h263
[export_xvid4.so] motion = 6
[export_xvid4.so] chromame = 1
[export_xvid4.so] vhq = 1
[export_xvid4.so] max_bframes = 1
[export_xvid4.so] bquant_ratio = 150
[export_xvid4.so] bquant_offset = 100
[export_xvid4.so] bframe_threshold = 0
[export_xvid4.so] quarterpel = 0
[export_xvid4.so] gmc = 0
[export_xvid4.so] trellis = 0
[export_xvid4.so] packed = 0
[export_xvid4.so] closed_gop = 1
[export_xvid4.so] interlaced = 0
[export_xvid4.so] cartoon = 0
[export_xvid4.so] hqacpred = 1
[export_xvid4.so] frame_drop_ratio = 0
[export_xvid4.so] stats = 0
[export_xvid4.so] greyscale = 0
[export_xvid4.so] turbo = 0
[export_xvid4.so] 
[export_xvid4.so] Quantizer settings
[export_xvid4.so] ----------------------------------------
[export_xvid4.so] min_iquant = 0
[export_xvid4.so] max_iquant = 0
(decode_dv.c) header parsing failed (1)
[export_xvid4.so] min_pquant = 0
[export_xvid4.so] max_pquant = 0
[export_xvid4.so] min_bquant = 0
(decode_dv.c) PAL video: 720x576 framesize=144000 sampling=2
[export_xvid4.so] max_bquant = 0
[export_xvid4.so] #quant_intra_matrix = 
[export_xvid4.so] #quant_inter_matrix = 
[export_xvid4.so] 
[export_xvid4.so] CBR settings
[export_xvid4.so] ----------------------------------------
[export_xvid4.so] reaction_delay_factor = 0
[export_xvid4.so] averaging_period = 0
[export_xvid4.so] buffer = 0
[export_xvid4.so] 
[export_xvid4.so] VBR settings
[export_xvid4.so] ----------------------------------------
[export_xvid4.so] keyframe_boost = 0
[export_xvid4.so] curve_compression_high = 0
[export_xvid4.so] curve_compression_low = 0
[export_xvid4.so] overflow_control_strength = 0
[export_xvid4.so] max_overflow_improvement = 0
[export_xvid4.so] max_overflow_degradation = 0
[export_xvid4.so] kfreduction = 0
[export_xvid4.so] kfthreshold = 0
[export_xvid4.so] container_frame_overhead = 0
(decoder.c) audio thread id=134896128
(decoder.c) video thread id=134896640
[export_xvid4.so] Using AVI output
[export_lame.so] cmd=lame -x --cbr -b 128 -s 32.000 -m j -
"incident.new.avi.mp3" 2>/dev/null 
(dl_loader.c) video import module error
(decoder.c) video data read failed - end of stream
(encoder.c) import closed - buffer empty (V)
(encoder.c) encoder closed
(decoder.c) import stop requested by client=134893568 (main=134893568)
import status=0
(decoder.c) video thread already terminated
(decoder.c) A/V import canceled (134893568) (134893568)
(decoder.c) video thread exit (ret_code=0) (status_code=13)
(decoder.c) audio thread exit (ret_code=0) (status_code=1)
(decoder.c) vframe_list_lock=0
(decoder.c) aframe_list_lock=0

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x80a5000 (LWP 100131)]
0x0807978c in AVI_close ()
(gdb) where
#0  0x0807978c in AVI_close ()
#1  0x283c42de in tc_import (opt=-791621424, para1=0xbfbfddb0,
para2=0x0) at import_avi.c:296
#2  0x0805d9d8 in tca_import ()
#3  0x0805b3b7 in import_close ()
#4  0x080595ed in main ()
(gdb) bt full
#0  0x0807978c in AVI_close ()
No symbol table info available.
#1  0x283c42de in tc_import (opt=-791621424, para1=0xbfbfddb0,
para2=0x0) at import_avi.c:296
        i = 0
        mod = 0
#2  0x0805d9d8 in tca_import ()
No symbol table info available.
#3  0x0805b3b7 in import_close ()
No symbol table info available.
#4  0x080595ed in main ()
No symbol table info available.
(gdb) disass $pc-32 $pc+32
Dump of assembler code from 0x807976c to 0x80797ac:
0x0807976c :    in     $0x2,%al
0x0807976e :    add    %al,(%eax)
0x08079770 :    incl   0xfffff774(%ebp)
0x08079776 :    cmpl   $0x1f,0xfffff774(%ebp)
0x0807977d :    jg     0x807acc1 
0x08079783 :    mov    0x24(%edx),%eax
0x08079786 :    mov    0xfffff774(%ebp),%edi
0x0807978c :    mov    (%eax,%edi,4),%eax
0x0807978f :    test   %eax,%eax
0x08079791 :    je     0x8079770 
0x08079793 :    mov    0x20(%eax),%eax
0x08079796 :    test   %eax,%eax
0x08079798 :    je     0x8079750 
0x0807979a :    sub    $0xc,%esp
0x0807979d :    push   %eax
0x0807979e :    call   0x8050080 
0x080797a3 :    mov    0x8(%ebp),%eax
0x080797a6 :    add    $0x10,%esp
0x080797a9 :    mov    0x2e4(%eax),%edx
End of assembler dump.


Please ask if I've forget anything.
thanks for help.

Guzman
 
CD: 26ms