$ strings videocatch 
/lib/ld-uClibc.so.0
pP0D
_init
_fini
__uClibc_main
__deregister_frame_info
__register_frame_info
_Jv_RegisterClasses
video_fd
set_video_power_freq
set_video_contrast
set_video_bright
set_video_rotate
set_video_satura
cf_get_var_from_file
atoi
g_avinfo
init_av
set_bright
set_contrast
set_satura
pthread_mutex_lock
debug_printf
pthread_mutex_unlock
unlink
system
read
strstr
init_video
localtime
sprintf
fopen
strlen
fwrite
fclose
gettimeofday
memset
ap_cs_trans_msg
sleep
restore_viode_params
memcpy
select
vbuf
vframe_len
get_video
destroy_video
send
recv
deal_video_params_change
libgetvideo.so
_DYNAMIC_LINKING
__RLD_MAP
_GLOBAL_OFFSET_TABLE_
libhipcam.so
libc.so.0
_ftext
_fdata
_edata
__bss_start
_fbss
_end
/mnt/5350/lib
_gp_disp
usb_reset_loglife
__start
set_rotate
__data_start
set_power_freq
0'9'
`1B$
@0!$
@0B$
`1!$
$!0@
'! @
'! @
'! @
'! @
pB$4
'! @
'! @
'! @
'! @
'! @
'! @
'!(b
'! b
$! @
'! @
'!(b
'! b
'!(b
'! b
'! b
'! b
$!(`
/mnt/mtd/video_conf
resolution
brightness
contrast
saturation
mode
flip
$$value = %d, atoi(getvalue) = %d
/tmp/loadmsg
rmmod usbvideo
insmod /mnt/5350/modules/usbvideo.ko 
Found format MJPEG
init_av first fail!
reboot
video_fd = %d init_video exit
usb reset times = %d, the current time is %d_%d_%d %d:%d:%d
/mnt/5350/usb_reset_logfile
write_len = %d, strlen(log_buf) = %d
..............................:%u,%u
trans_vars.sock_cli = %d
vframe_len = %d, trans_vars.sock_cli = %d
change->type = %d, change->value = %d
GCC: (GNU) 3.3.2
GCC: (GNU) 3.4.2
GCC: (GNU) 3.4.2
GCC: (GNU) 3.4.2
GCC: (GNU) 3.3.2
.shstrtab
.interp
.reginfo
.dynamic
.hash
.dynsym
.dynstr
.init
.text
.MIPS.stubs
.fini
.rodata
.eh_frame
.ctors
.dtors
.jcr
.data
.rld_map
.got
.sbss
.bss
.comment
.pdr