(update)
hello, I'm not developper but it could not be a buffer concern? (it's  
just an idea)

uname -a
Darwin MacMini-2.local 9.7.0 Darwin Kernel Version 9.7.0: Tue Mar 31  
22:52:17 PDT 2009; root:xnu-1228.12.14~1/RELEASE_I386 i386

tests with the official release 190 (and not an RC nor recent CVS)
CL = … | /y4mstabilizer -v -v

---------

commun parts to all tests (PS: I tried with y4mscaler or ppmtoy4m or  
ffmpeg, same results with all 444 converters):

[...]
    INFO: [ppmtoy4m] Output Stream parameters:
[...]
    INFO: [ppmtoy4m]         chroma:  4:4:4 (no subsampling)
    INFO: [ppmtoy4m]     frame rate:  25/1 fps (~25.000000)
    INFO: [ppmtoy4m]      interlace:  none/progressive
    INFO: [ppmtoy4m]   sample aspect ratio:  1:1
[...]
    INFO: [y4mstabilizer]       chroma:  4:4:4 (no subsampling)
[...]
    INFO: [y4mstabilizer]    interlace:  none/progressive
    INFO: [y4mstabilizer] sample aspect ratio:  1:1
    INFO: [y4mstabilizer] Frame 1
    INFO: [y4mstabilizer] global motion xy*2=<0,2> Accumulated  
xy=<0,1> shift xy=0,-1>
[...]


---------

test one: an HD file (720p)
crashed immediately:
    INFO: [y4mstabilizer]   frame size:  1280x720 pixels (2764800 bytes)
    INFO: [y4mstabilizer]       chroma:  4:4:4 (no subsampling)
    INFO: [y4mstabilizer]   frame rate:  25/1 fps (~25.000000)
    INFO: [y4mstabilizer]    interlace:  none/progressive
no outputed frame

---------

test two: the same HD file (720p) but I rescaled it (720x576) before  
sending it to y4mscaler

    INFO: [y4mstabilizer]   frame size:  720x576 pixels (1244160 bytes)
    INFO: [y4mstabilizer]       chroma:  4:4:4 (no subsampling)
    INFO: [y4mstabilizer]   frame rate:  25/1 fps (~25.000000)
    INFO: [y4mstabilizer]    interlace:  none/progressive
    INFO: [y4mstabilizer] sample aspect ratio:  1:1
    INFO: [y4mstabilizer] Frame 1
    INFO: [y4mstabilizer] global motion xy*2=<0,2> Accumulated  
xy=<0,1> shift xy=0,-1>

    INFO: [y4mstabilizer] Frame 2
    INFO: [y4mstabilizer] global motion xy*2=<0,0> Accumulated  
xy=<0,0.95> shift xy=0,-1>
[...]
    INFO: [y4mstabilizer] Frame 265
    INFO: [y4mstabilizer] global motion xy*2=<0,-5> Accumulated  
xy=<-1.45501,-19.4269> shift xy=1,19>

    INFO: [y4mstabilizer] Frame 266
(crashed)

---------

test 3: the same HD file (720p) but I rescaled it (320*240) before  
sending it to y4mscaler

    INFO: [y4mstabilizer]   frame size:  320x240 pixels (230400 bytes)
    INFO: [y4mstabilizer]       chroma:  4:4:4 (no subsampling)
    INFO: [y4mstabilizer]   frame rate:  25/1 fps (~25.000000)
    INFO: [y4mstabilizer]    interlace:  none/progressive
    INFO: [y4mstabilizer] sample aspect ratio:  1:1
    INFO: [y4mstabilizer] Frame 1
    INFO: [y4mstabilizer] global motion xy*2=<0,1> Accumulated  
xy=<0,0.5> shift xy=0,-1>
[...]
    INFO: [y4mstabilizer] Frame 1415
    INFO: [y4mstabilizer] global motion xy*2=<0,-20> Accumulated  
xy=<3.60354,36.8782> shift xy=-4,-37>

    INFO: [y4mstabilizer] Frame 1416
(crashed)

---------

test 4: the same HD file (720p) but I rescaled it (160*120) before  
sending it to y4mscaler

    INFO: [y4mstabilizer]   frame size:  160x120 pixels (57600 bytes)
[...]
    INFO: [y4mstabilizer] Frame 1
    INFO: [y4mstabilizer] global motion xy*2=<0,0> Accumulated  
xy=<0,0> shift xy=0,0>
[...]
    INFO: [y4mstabilizer] Frame 1421
    INFO: [y4mstabilizer] global motion xy*2=<-1,-8> Accumulated  
xy=<-0.721807,-10.8797> shift xy=1,11>

    INFO: [y4mstabilizer] Frame 1422
(and crash)

---------

so,
littler size, more frames …seems that size matters (spam joke ;-))

---------

crash log:

Process:         y4mstabilizer [65490]
Path:            /Users/herve/_Tools/_CVS/_MjpegTools/mjpegtools/ 
mjpegtools-1.9.0release_BIN/intel_Tiger-2009:02:20-25/y4mstabilizer
Identifier:      y4mstabilizer
Version:         ??? (???)
Code Type:       X86 (Native)
Parent Process:  bash [65469]

Interval Since Last Report:          1056 sec
Crashes Since Last Report:           10
Per-App Interval Since Last Report:  0 sec
Per-App Crashes Since Last Report:   10

Date/Time:       2009-06-03 15:29:00.352 +0200
OS Version:      Mac OS X 10.5.7 (9J61)
Report Version:  6
Anonymous UUID:  8CDFC8BB-54FD-4F31-AF37-8EEF871D4795

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x00000000000fd000
Crashed Thread:  0

Thread 0 Crashed:
0   y4mstabilizer                       0x000017c7 subsample + 75  
(y4mstabilizer.c:396)
1   y4mstabilizer                       0x0000480b main + 1214  
(y4mstabilizer.c:215)
2   y4mstabilizer                       0x0000175e _start + 216
3   y4mstabilizer                       0x00001685 start + 41

Thread 0 crashed with X86 Thread State (32-bit):
   eax: 0x003fa680  ebx: 0x0000435e  ecx: 0x00000500  edx: 0x00000063
   edi: 0x000fd000  esi: 0x003fa400  ebp: 0xbffff318  esp: 0xbffff2f4
    ss: 0x0000001f  efl: 0x00010202  eip: 0x000017c7   cs: 0x00000017
    ds: 0x0000001f   es: 0x0000001f   fs: 0x00000000   gs: 0x00000037
   cr2: 0x000fd000

Binary Images:
     0x1000 -     0x8fff +y4mstabilizer ??? (???) /Users/herve/_Tools/ 
_CVS/_MjpegTools/mjpegtools/mjpegtools-1.9.0release_BIN/ 
intel_Tiger-2009:02:20-25/y4mstabilizer
0x8fe00000 - 0x8fe2db43  dyld 97.1 (???)  
<b0ea42e222a36a182e4ea30c3d71ce68> /usr/lib/dyld
0x92032000 - 0x92199ff3  libSystem.B.dylib ??? (???)  
<b47c8e6e45aef620730710a732bf1930> /usr/lib/libSystem.B.dylib
0x9278e000 - 0x92792fff  libmathCommon.A.dylib ??? (???) /usr/lib/ 
system/libmathCommon.A.dylib
0xffff0000 - 0xffff1780  libSystem.B.dylib ??? (???) /usr/lib/ 
libSystem.B.dylib




bye
PS: result is great, congratulations to its developper :-)



Le 3 juin 09 à 03:17, Richard Archer a écrit :

>   INFO: [y4mstabilizer] global motion xy*2=<0,1> Accumulated  
> xy=<0,0.5> shift xy=0,-1>
>
>   INFO: [y4mstabilizer] Frame 2
>   INFO: [y4mstabilizer] global motion xy*2=<0,0> Accumulated  
> xy=<0,0.475> shift xy=0,0>
>
>   INFO: [y4mstabilizer] Frame 3
>   INFO: [y4mstabilizer] global motion xy*2=<1,-2> Accumulated  
> xy=<0.5,-0.54875> shift xy=-1,1>
>
>   INFO: [y4mstabilizer] Frame 4
> Segmentation fault (core dumped)
>
> $ ls
> core.6857
> test.m2v
> test.ac3
>
> $ gdb
> GNU gdb Red Hat Linux (6.5-37.el5rh)
> Copyright (C) 2006 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 "x86_64-redhat-linux-gnu".
> (gdb) file /usr/bin/y4mstabilizer
> Reading symbols from /usr/bin/y4mstabilizer...Reading symbols from / 
> usr/lib/debug/usr/bin/y4mstabilizer.debug...(no debugging symbols  
> found)...done.
> Using host libthread_db library "/lib64/libthread_db.so.1".
> (no debugging symbols found)...done.
> (gdb) core core.6857
> Reading symbols from /usr/lib64/libmjpegutils-1.9.so.0...Reading  
> symbols from /usr/lib/debug/usr/lib64/libmjpegutils-1.9.so. 
> 0.0.0.debug...(no debugging symbols found)...done.
> (no debugging symbols found)...done.
> Loaded symbols for /usr/lib64/libmjpegutils-1.9.so.0
> Reading symbols from /lib64/libm.so.6...(no debugging symbols  
> found)...done.
> Loaded symbols for /lib64/libm.so.6
> Reading symbols from /lib64/libpthread.so.0...(no debugging symbols  
> found)...done.
> Loaded symbols for /lib64/libpthread.so.0
> Reading symbols from /lib64/libc.so.6...
> (no debugging symbols found)...done.
> Loaded symbols for /lib64/libc.so.6
> Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging  
> symbols found)...done.
> Loaded symbols for /lib64/ld-linux-x86-64.so.2
> Core was generated by `y4mstabilizer -v -v'.
> Program terminated with signal 11, Segmentation fault.
> #0  0x00000000004027a4 in calc_SAD_noaccel ()
> (gdb) bt
> #0  0x00000000004027a4 in calc_SAD_noaccel ()
> #1  0x0000000000402602 in motion ()
> #2  0x0000000000402378 in gmotion ()
> #3  0x0000000000401935 in main ()
> #4  0x000000345281d8b4 in __libc_start_main () from /lib64/libc.so.6
> #5  0x0000000000401139 in _start ()
> (gdb)
>
>
> And there ends my ability to debug this problem :(
>
> I'm happy to follow instructions to help isolate the bug and
> to apply patches and rebuild to test a solution.
>
> Thank you!
>
> ...Richard.
>
> ------------------------------------------------------------------------------
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Hervé

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OpenSolaris 2009.06 is a cutting edge operating system for enterprises 
looking to deploy the next generation of Solaris that includes the latest 
innovations from Sun and the OpenSource community. Download a copy and 
enjoy capabilities such as Networking, Storage and Virtualization. 
Go to: http://p.sf.net/sfu/opensolaris-get
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