[theora] oggz-chop gives segmentation fault

[Conrad Parker]

2009/6/15 Ondrej Certik <ondrej at certik.cz>:
> On Mon, Jun 15, 2009 at 12:09 AM, Conrad Parker<conrad at metadecks.org> wrote:
>> 2009/6/15 Ondrej Certik <ondrej at certik.cz>:
>>> Hi,
>>>
>>> I am using oggz-chop in the ubuntu jaunty, am I doing something wrong?
>>>
>>> $ oggz-chop -o yt1.ogv -s0 -e500 ondrej.ogv
>>> Segmentation fault
>>>
>>> gdb session doesn't reveal much, since it isn't compiled with debugging symbols:
>>>
>>> (gdb) bt
>>> #0  0x00007f9e5d2f0092 in memcpy () from /lib/libc.so.6
>>> #1  0x0000000000403698 in ?? ()
>>> #2  0x000000000040262e in ?? ()
>>> #3  0x000000000040285d in ?? ()
>>> #4  0x00007f9e5da6e144 in ?? () from /usr/lib/liboggz.so.1
>>> #5  0x00007f9e5da6e516 in oggz_read () from /usr/lib/liboggz.so.1
>>> #6  0x00007f9e5da6bf05 in oggz_run () from /usr/lib/liboggz.so.1
>>> #7  0x0000000000401d5e in ?? ()
>>> #8  0x000000000040433d in ?? ()
>>> #9  0x00007f9e5d28a5a6 in __libc_start_main () from /lib/libc.so.6
>>> #10 0x0000000000401ba9 in ?? ()
>>> #11 0x00007fff65e961c8 in ?? ()
>>> #12 0x000000000000001c in ?? ()
>>> #13 0x0000000000000006 in ?? ()
>>> #14 0x00007fff65e9661c in ?? ()
>>> #15 0x00007fff65e9662f in ?? ()
>>> #16 0x00007fff65e96632 in ?? ()
>>> #17 0x00007fff65e9663a in ?? ()
>>> #18 0x00007fff65e9663e in ?? ()
>>> #19 0x00007fff65e96644 in ?? ()
>>> #20 0x0000000000000000 in ?? ()
>>
>> Hi Ondrej,
>>
>> can I get a copy of the file that triggers that, eg. can you upload it
>> somewhere?
>
> It's here:
>
> http://sage.math.washington.edu/home/ondrej/scratch/video/ondrej.ogv
>
> But I am still uploading, ETA: 42min.
>
> Maybe you can regenerate the segfault even with the partial file in
> there. Thanks for looking into this.

ok, I tried this with liboggz HEAD and with the latest release
(0.9.9). Neither of these segfault, so I think it might have been a
bug in an older version, now fixed.

Please try with a more recent version of oggz-chop, and let me know if
that works for you.

cheers,

Conrad.