sane-v4l man page on JazzOS

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sane-v4l(5)		 SANE Scanner Access Now Easy		   sane-v4l(5)

       sane-v4l - SANE interface for Video for Linux API

       The  sane-v4l library implements a SANE (Scanner Access Now Easy) back‐
       end that provides generic access to video cameras and similar equipment
       using the V4L (Video for Linux) API.

       This  is	 ALPHA	software.  Really!  Important features are missing and
       there are lots of bugs. The code is currently only tested  on  a	 Linux
       2.4 system with a Hauppauge WinTV video card.

       This backend expects device names of the form:


       Where  special is the UNIX path-name for the special device that corre‐
       sponds to the v4l device.  The special device name must be a v4l device
       or  a  symlink to such a device.	 For example, such a device name could
       be /dev/video0 or /dev/bttv0.

       The contents of the v4l.conf file is a list of device names that corre‐
       spond  to v4l devices.  Empty lines and lines starting with a hash mark
       (#) are ignored.	 A sample configuration file is shown below:

	      # this is a comment

	      The  backend  configuration  file	 (see  also   description   of
	      SANE_CONFIG_DIR below).

	      The static library implementing this backend.

	      The shared library implementing this backend (present on systems
	      that support dynamic loading).

	      This environment variable specifies the list of directories that
	      may contain the configuration file.  Under UNIX, the directories
	      are separated by a colon (`:'), under OS/2, they	are  separated
	      by a semi-colon (`;').  If this variable is not set, the config‐
	      uration file is searched in two default directories: first,  the
	      current	 working   directory   (".")   and   then   in	 /sys‐
	      tem/resources/sane-backends/1.0.18/etc/sane.d.  If the value  of
	      the environment variable ends with the directory separator char‐
	      acter, then the  default	directories  are  searched  after  the
	      explicitly   specified   directories.    For   example,  setting
	      SANE_CONFIG_DIR to "/tmp/config:" would  result  in  directories
	      "tmp/config",	".",	 and	 "/system/resources/sane-back‐
	      ends/1.0.18/etc/sane.d" being searched (in this order).

	      If the library was compiled with	debug  support	enabled,  this
	      environment  variable controls the debug level for this backend.
	      E.g., a value of 128 requests all debug output  to  be  printed.
	      Smaller levels reduce verbosity.

       Juergen G. Schimmer, Henning Meier-Geinitz

       If  more	 than  one video card is present, a crash may occur. Frequency
       and geometry selection is missing.
       Send   bug    reports	to    the    SANE    mailing	list:	 sane-	You  must be subscribed to the list to
       send  mail.  See   for

       sane(7), xcam(1).

sane-backends 1.0.18		  28 Aug 2002			   sane-v4l(5)

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