A video4linux framegrabber Code

Fix compiler warning

./v_plist.h:25:3: warning: missing initializer [-Wmissing-field-initializers]
./v_plist.h:25:3: warning: (near initialization for ‘plist[0].mul’) [-Wmissing-field-initializers]
./v_plist.h:42:3: warning: missing initializer [-Wmissing-field-initializers]
./v_plist.h:42:3: warning: (near initialization for ‘plist[17].mul’) [-Wmissing-field-initializers]

Declare local functions as static functions

Fix compiler warnings:
warning: no previous prototype for ‘foobar’ [-Wmissing-prototypes]

Use const char * for constant C-strings

Fix compiler warnings:
v_plist.h:26:3: warning: initialization discards ‘const’ qualifier from
pointer target type [enabled by default]
v_plist.h:27:3: warning: initialization discards ‘const’ qualifier from
pointer target type [enabled by default]
etc.

Ue the correct type for signal handlers

Fix compilere warnings:
v_utils.c:236:3: warning: passing argument 2 of ‘signal’ from incompatible pointer type [enabled by default]
In file included from vgrabbj.h:48:0,
from v_utils.h:24,
from v_utils.c:24:
/usr/include/signal.h:101:23: note: expected ‘__sighandler_t’ but argument is of type ‘void (*)(void)’

Remove a redundant declaration

Fix compiler warning:
In file included from v_config.c:26:0:
v_config.h:32:12: warning: redundant redeclaration of ‘signal_terminate’ [-Wredundant-decls]
In file included from v_config.h:26:0,
from v_config.c:26:
vgrabbj.h:308:24: note: previous declaration of ‘signal_terminate’ was here

Fix compiler warnings

vgrabbj.h:297:1: warning: function declaration isn’t a prototype
[-Wstrict-prototypes]
vgrabbj.h:298:1: warning: function declaration isn’t a prototype
[-Wstrict-prototypes]

Use const char * for constant strings

Fix compiler warnings:
v_utils.c:328:3: warning: passing argument 3 of ‘v_error’ discards ‘const’ qualifier from pointer target type [enabled by default]
In file included from v_utils.h:24:0,
from v_utils.c:24:
vgrabbj.h:285:24: note: expected ‘char *’ but argument is of type ‘const char *’

Include the examples/* files in the distribution

Add example configuration

Thanks to Amaya Rodrigo sastre for the patches

Patch from Debian bug #129190
"vgrabbj: Better support for Dexxa/Logitech USB webcams"

Finish port to libv4l1