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<?xml version="1.0" encoding="ISO-8859-1" standalone="no"?>
<!DOCTYPE MAN SYSTEM "mansivp.dtd">
<MAN>
<LANGUAGE>eng</LANGUAGE>
<TITLE>camopen</TITLE>
<TYPE>SIVP Toolbox</TYPE>
<DATE>April, 2006</DATE>
<SHORT_DESCRIPTION name="camopen">Open a camera. (experimental)</SHORT_DESCRIPTION>
<CALLING_SEQUENCE>
<CALLING_SEQUENCE_ITEM>n = camopen()</CALLING_SEQUENCE_ITEM>
<CALLING_SEQUENCE_ITEM>n = camopen(i)</CALLING_SEQUENCE_ITEM>
</CALLING_SEQUENCE>
<PARAM>
<PARAM_INDENT>
<PARAM_ITEM>
<PARAM_NAME>i</PARAM_NAME>
<PARAM_DESCRIPTION>
The i'th camera.
</PARAM_DESCRIPTION>
</PARAM_ITEM>
<PARAM_ITEM>
<PARAM_NAME>n</PARAM_NAME>
<PARAM_DESCRIPTION>
A number, the opened video file/camera index.
</PARAM_DESCRIPTION>
</PARAM_ITEM>
</PARAM_INDENT>
</PARAM>
<DESCRIPTION>
<P>
<TT>camopen</TT> open a camera, but it does not read frames from the camera. Please use <TT>im=avireadframe(n)</TT> to get a frame from the n'th opened video file. Remember to close the opened camera using <TT>aviclose(n)</TT> or <TT>avicloseall()</TT>.
</P>
<P>
Video support for SIVP is only available when SIVP is compiled with OpenCV which support video I/O.
</P>
</DESCRIPTION>
<EXAMPLE><![CDATA[
n = camopen();
im = avireadframe(n); //get a frame
imshow(im);
avilistopened()
aviclose(n);
]]></EXAMPLE>
<!-- ================================= -->
<SECTION label="Bugs and Shortcomings">
Currently, video frame size is forced to be 320x240.
The frame size could be set by user in later version.
</SECTION>
<!-- ================================= -->
<AUTHORS>
<AUTHORS_ITEM name="Shiqi Yu"> Shiqi Yu <shiqi.yu[at]gmail.com> </AUTHORS_ITEM>
</AUTHORS>
<!-- ================================= -->
<SECTION label="Availability">
The latest version of SIVP can be found at
<P><A href="http://sivp.sourceforge.net">http://sivp.sourceforge.net</A></P>
</SECTION>
<!-- ================================= -->
<SEE_ALSO>
<SEE_ALSO_ITEM> <LINK>aviinfo</LINK> </SEE_ALSO_ITEM>
<SEE_ALSO_ITEM> <LINK>aviopen</LINK> </SEE_ALSO_ITEM>
<SEE_ALSO_ITEM> <LINK>avifile</LINK> </SEE_ALSO_ITEM>
<SEE_ALSO_ITEM> <LINK>addframe</LINK> </SEE_ALSO_ITEM>
<SEE_ALSO_ITEM> <LINK>aviclose</LINK> </SEE_ALSO_ITEM>
<SEE_ALSO_ITEM> <LINK>avicloseall</LINK> </SEE_ALSO_ITEM>
<SEE_ALSO_ITEM> <LINK>avilistopened</LINK> </SEE_ALSO_ITEM>
<SEE_ALSO_ITEM> <LINK>avireadframe</LINK> </SEE_ALSO_ITEM>
</SEE_ALSO>
</MAN>
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