Re: Using Logitech Quickcam on Debian 4.0

[Paul Cartwright <ale@pcartwright.com>]

On Fri August 8 2008, Andrew Sackville-West wrote:
> hmmm... I believe its possible, with some cameras, to
>
> cat /dev/video0 > myvidfile
>
> and then play it with mplayer. worth a shot.

$ cat /dev/video0>paulsvid
cat: /dev/video0*** glibc detected *** cat: free(): invalid next size (fast): 
0x0995c860 ***
======= Backtrace: =========
/lib/i686/cmov/libc.so.6[0xb7ed58f5]
/lib/i686/cmov/libc.so.6(cfree+0x90)[0xb7ed9360]
/lib/i686/cmov/libc.so.6[0xb7e922e2]
/lib/i686/cmov/libc.so.6[0xb7e9062f]
/lib/i686/cmov/libc.so.6[0xb7e8ffee]
/lib/i686/cmov/libc.so.6(dcgettext+0x43)[0xb7e8ef13]
/lib/i686/cmov/libc.so.6(__strerror_r+0x109)[0xb7edc0a9]
/lib/i686/cmov/libc.so.6[0xb7f3fd82]
/lib/i686/cmov/libc.so.6(error+0x58)[0xb7f40018]
cat[0x8049a24]
/lib/i686/cmov/libc.so.6(__libc_start_main+0xe0)[0xb7e80450]
cat[0x8048c91]
======= Memory map: ========
08048000-0804f000 r-xp 00000000 08:06 2069686    /bin/cat
0804f000-08050000 rw-p 00006000 08:06 2069686    /bin/cat
0995a000-0997b000 rw-p 0995a000 00:00 0          [heap]
b7b00000-b7b21000 rw-p b7b00000 00:00 0 
b7b21000-b7c00000 ---p b7b21000 00:00 0 
b7ce7000-b7cf3000 r-xp 00000000 08:06 1839064    /lib/libgcc_s.so.1
b7cf3000-b7cf4000 rw-p 0000b000 08:06 1839064    /lib/libgcc_s.so.1
b7cf4000-b7e69000 r--p 00000000 08:06 
1773853    /usr/lib/locale/locale-archive
b7e69000-b7e6a000 rw-p b7e69000 00:00 0 
b7e6a000-b7fb2000 r-xp 00000000 08:06 2068498    /lib/i686/cmov/libc-2.7.so
b7fb2000-b7fb3000 r--p 00148000 08:06 2068498    /lib/i686/cmov/libc-2.7.so
b7fb3000-b7fb5000 rw-p 00149000 08:06 2068498    /lib/i686/cmov/libc-2.7.so
b7fb5000-b7fb8000 rw-p b7fb5000 00:00 0 
b7fd6000-b7fd8000 rw-p b7fd6000 00:00 0 
b7fd8000-b7fd9000 r-xp b7fd8000 00:00 0          [vdso]
b7fd9000-b7ff3000 r-xp 00000000 08:06 1872512    /lib/ld-2.7.so
b7ff3000-b7ff5000 rw-p 00019000 08:06 1872512    /lib/ld-2.7.so
bfedf000-bfef4000 rw-p bffeb000 00:00 0          [stack]
Aborted
pbc@paulandcilla:~/videos$ lst
total 20
drwxr-xr-x 155 pbc pbc 12288 2008-08-08 17:31 ..
-rw-r--r--   1 pbc pbc     0 2008-08-08 17:31 paulsvid
drwxr-xr-x   2 pbc pbc  4096 2008-08-08 17:31 .


-- 
Paul Cartwright
Registered Linux user # 367800
Registered Ubuntu User #12459