classpvideoinput1394dcdevice.html

pwlib开发文档

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<p>
Set the video format to be used.
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Default behaviour sets the value of the videoFormat variable and then returns TRUE. <dl compact><dt><b>Parameters: </b></dt><dd>
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<tr><td valign=top><em>videoFormat</em>&nbsp;</td><td>
New video format </td></tr>
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Reimplemented from <a class="el" href="classPVideoDevice.html#a9">PVideoDevice</a>.    </td>
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<a name="a14" doxytag="PVideoInput1394DcDevice::SetWhiteness"></a><p>
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          <td class="md" nowrap valign="top"> BOOL PVideoInput1394DcDevice::SetWhiteness </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">unsigned&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp; <em>newWhiteness</em>          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap><code> [virtual]</code></td>
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Set whiteness of the image. 0xffff-Very white. 
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Reimplemented from <a class="el" href="classPVideoDevice.html#a31">PVideoDevice</a>.    </td>
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<a name="a5" doxytag="PVideoInput1394DcDevice::Start"></a><p>
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          <td class="md" nowrap valign="top"> BOOL PVideoInput1394DcDevice::Start </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp;          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap><code> [virtual]</code></td>
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<p>
Start the video device I/O. 
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Implements <a class="el" href="classPVideoDevice.html#a5">PVideoDevice</a>.    </td>
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<a name="a6" doxytag="PVideoInput1394DcDevice::Stop"></a><p>
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          <td class="md" nowrap valign="top"> BOOL PVideoInput1394DcDevice::Stop </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp;          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap><code> [virtual]</code></td>
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<p>
Stop the video device I/O capture. 
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Implements <a class="el" href="classPVideoDevice.html#a6">PVideoDevice</a>.    </td>
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<a name="a30" doxytag="PVideoInput1394DcDevice::TestAllFormats"></a><p>
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          <td class="md" nowrap valign="top"> BOOL PVideoInput1394DcDevice::TestAllFormats </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp;          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap><code> [virtual]</code></td>
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<p>
Try all known video formats &amp; see which ones are accepted by the video driver 
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Implements <a class="el" href="classPVideoInputDevice.html#a9">PVideoInputDevice</a>.    </td>
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<hr><h2>Member Data Documentation</h2>
<a name="n5" doxytag="PVideoInput1394DcDevice::camera"></a><p>
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          <td class="md" nowrap valign="top"> dc1394_cameracapture PVideoInput1394DcDevice::camera<code> [protected]</code>
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<a name="n3" doxytag="PVideoInput1394DcDevice::camera_nodes"></a><p>
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          <td class="md" nowrap valign="top"> nodeid_t* PVideoInput1394DcDevice::camera_nodes<code> [protected]</code>
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<a name="n6" doxytag="PVideoInput1394DcDevice::capturing_duration"></a><p>
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          <td class="md" nowrap valign="top"> int PVideoInput1394DcDevice::capturing_duration<code> [protected]</code>
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<a name="n7" doxytag="PVideoInput1394DcDevice::desiredColourFormat"></a><p>
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          <td class="md" nowrap valign="top"> <a class="el" href="classPString.html">PString</a> PVideoInput1394DcDevice::desiredColourFormat<code> [protected]</code>
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<a name="n9" doxytag="PVideoInput1394DcDevice::desiredFrameHeight"></a><p>
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          <td class="md" nowrap valign="top"> unsigned PVideoInput1394DcDevice::desiredFrameHeight<code> [protected]</code>
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<a name="n8" doxytag="PVideoInput1394DcDevice::desiredFrameWidth"></a><p>
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          <td class="md" nowrap valign="top"> unsigned PVideoInput1394DcDevice::desiredFrameWidth<code> [protected]</code>
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<a name="n0" doxytag="PVideoInput1394DcDevice::handle"></a><p>
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          <td class="md" nowrap valign="top"> raw1394handle_t PVideoInput1394DcDevice::handle<code> [protected]</code>
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<a name="n1" doxytag="PVideoInput1394DcDevice::is_capturing"></a><p>
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          <td class="md" nowrap valign="top"> BOOL PVideoInput1394DcDevice::is_capturing<code> [protected]</code>
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<a name="n4" doxytag="PVideoInput1394DcDevice::numCameras"></a><p>
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          <td class="md" nowrap valign="top"> int PVideoInput1394DcDevice::numCameras<code> [protected]</code>
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<a name="n2" doxytag="PVideoInput1394DcDevice::UseDMA"></a><p>
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          <td class="md" nowrap valign="top"> BOOL PVideoInput1394DcDevice::UseDMA<code> [protected]</code>
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<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="videoio1394dc_8h-source.html">videoio1394dc.h</a></ul>
<hr><address style="align: right;"><small>Generated on Wed Sep 29 22:44:20 2004 for PWLib by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border=0 
width=110 height=53></a>1.2.18 </small></address>
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