kopia lustrzana https://gitlab.com/sane-project/website
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174 wiersze
6.3 KiB
HTML
<HTML>
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<TITLE>sane-stv680.5</TITLE>
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<BODY BGCOLOR=#FFFFFF TEXT=#000000><H1 ALIGN=CENTER><IMG SRC="/images/sane.png" HEIGHT=117 WIDTH=346></H1>
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<H1>sane-stv680.5</H1>
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<HR>
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<PRE>
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<!-- Manpage converted by man2html 3.0.1 -->
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<B><A HREF="sane-stv680.5.html">sane-stv680(5)</A></B> SANE Scanner Access Now Easy <B><A HREF="sane-stv680.5.html">sane-stv680(5)</A></B>
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</PRE>
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<H2>NAME</H2><PRE>
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sane-stv680 - SANE backend for STV680 camera's
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</PRE>
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<H2>DESCRIPTION</H2><PRE>
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The <B>sane-stv680</B> library implements a SANE (Scanner Access Now Easy)
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backend that provides access to some STV680 cameras. This backend
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should be considered <B>beta-quality</B> software! STV680 cameras are sold
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under various brands like Aiptek. This backend may or may not support
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yours.
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The cameras that should work with this backend are:
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Vendor Model USB vendor id USB product id status
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------------------------ ------------- -------------- --------
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AIPTEK stv680 0x0553 0x0202 basic
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Konica e-mini 0x04c8 0x0722 untested
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DigitalDream l'espion XS 0x1183 0x0001 untested
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Creative WebCam Go mini 0x041e 0x4007 untested
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For all these cameras, see the backend home page (under AUTHOR) for the
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exact status of each camera.
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For startup of this backend check that if present the stv680 kernel
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module is removed or disabled.
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Also before using, enable the backend by editing the
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/etc/sane.d/dll.conf file, change #stv680 to stv680.
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For problems with the untested cameras, you should contact the author
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for that.
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The options the backend supports can either be selected through command
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line options to programs like scanimage or through GUI elements in
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xcam. For both programs use the -B option needed for size buffer.
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Some frontends examples:
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xcam
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xcam -B
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scanimage: for writing in batch mode to a file or to a new file each
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time.
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scanimage -B -d stv680:libusb:001:002 --batch=out.ppm --batch-
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count 5 --mode "Color RGB"
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scanimage -B -d stv680:libusb:001:002 --batch=out%d.ppm --batch-
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count 5 --mode "Color RGB"
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If you have any success with a camera not listed here, or if you have
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any strange behavior, please report to the backend maintainer or to the
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SANE mailing list.
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Valid command line options and their syntax can be listed by using
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scanimage --help -d stv680
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<B>Scan</B> <B>Mode</B>
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<B>--mode</B> selects the basic mode of operation of the webcams valid
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choices.
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The read resolution mode is 8 bits, output resolution is 24
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bits. Selects the resolution for a scan. The camera can do
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only the resolutions listed.
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<B>--Raw</B> In this mode raw data is displayed
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<B>--Color</B>
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In this mode the bayer unshuffle is done but no color correction
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<B>--Color_RGB</B>
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Bayer unshuffle, color correction
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<B>--Color_RGB_TXT</B>
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Bayer unshuffle, color correction, textline with date and time
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is added
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<B>Enhancement</B> <B>options</B>
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<B>--white-level-r</B>
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Selects what red radiance level should be considered "white",
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when scanning some sheets by changing the calibration value
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loaded into the scanner. Scale -32 .. 0 .. +32 in steps of 1.
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<B>--white-level-g</B>
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Selects what green radiance level should be considered "white",
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when scanning some sheets by changing the calibration i value
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loaded into the scanner. Scale -32 .. 0 .. +32 in steps of 1.
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<B>--white-level-b</B>
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Selects what blue radiance level should be considered "white",
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when scanning some sheets by changing the calibration value
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loaded into the scanner. Scale -32 .. 0 .. +32 in steps of 1.
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</PRE>
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<H2>CONFIGURATION FILE</H2><PRE>
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The configuration file /etc/sane.d/stv680.conf supports only one infor‐
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mation: the device name to use (eg usb 0x.... 0x....).
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</PRE>
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<H2>FILES</H2><PRE>
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<I>/usr/lib64/sane/libsane-stv680.a</I>
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The static library implementing this backend.
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<I>/usr/lib64/sane/libsane-stv680.so</I>
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The shared library implementing this backend (present on systems
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that support dynamic loading).
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</PRE>
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<H2>ENVIRONMENT</H2><PRE>
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<B>SANE_DEBUG_STV680</B>
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If the library was compiled with debug support enabled, this
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environment variable controls the debug level for this backend.
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E.g., a value of 128 requests all debug output to be printed.
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Smaller levels reduce verbosity.
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</PRE>
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<H2>LIMITATIONS</H2><PRE>
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The windows TWAIN driver has many more options than this SANE backend.
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However they are only software adjustments. This backend only imple‐
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ments what the webcam can support.
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</PRE>
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<H2>BUGS</H2><PRE>
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Plenty. Parts of this backend are still under development.
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1. Some untested cameras.
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2. Video streaming slow and stops sometimes (scanimage).
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3. Sometimes 1/3 of image is NOK (xcam).
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</PRE>
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<H2>SEE ALSO</H2><PRE>
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<B><A HREF="sane-usb.5.html">sane-usb(5)</A></B>, <B><A HREF="scanimage.1.html">scanimage(1)</A></B>, <B><A HREF="xcam.1.html">xcam(1)</A></B>, <B><A HREF="sane.7.html">sane(7)</A></B>
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</PRE>
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<H2>AUTHORS</H2><PRE>
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Gerard Klaver http://gkall.hobby.nl/stv680-aiptek.html
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</PRE>
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<H2>CREDITS</H2><PRE>
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Thanks to developers of the other stv680 programs:
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STV680 kernel module
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pencam2 program
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libghoto2 program (camlib stv0680)
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11 Jul 2008 <B><A HREF="sane-stv680.5.html">sane-stv680(5)</A></B>
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</PRE>
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