10dcb9ef1SAndrey Kiselev<!-- Creator     : groff version 1.18.1 -->
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787c5da6fSAndrey Kiselev<title>CODEC</title>
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1087c5da6fSAndrey Kiselev
1187c5da6fSAndrey Kiselev<h1 align=center>CODEC</h1>
1287c5da6fSAndrey Kiselev<a href="#NAME">NAME</a><br>
1387c5da6fSAndrey Kiselev<a href="#SYNOPSIS">SYNOPSIS</a><br>
1487c5da6fSAndrey Kiselev<a href="#DESCRIPTION">DESCRIPTION</a><br>
1587c5da6fSAndrey Kiselev<a href="#DIAGNOSTICS">DIAGNOSTICS</a><br>
1687c5da6fSAndrey Kiselev<a href="#SEE ALSO">SEE ALSO</a><br>
1787c5da6fSAndrey Kiselev
1887c5da6fSAndrey Kiselev<hr>
1987c5da6fSAndrey Kiselev<a name="NAME"></a>
2087c5da6fSAndrey Kiselev<h2>NAME</h2>
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270dcb9ef1SAndrey Kiselev<p>TIFFFindCODEC, TIFFRegisterCODEC, TIFFUnRegisterCODEC,
2887c5da6fSAndrey KiselevTIFFIsCODECConfigured &minus; codec-related utility
2987c5da6fSAndrey Kiselevroutines</p>
300dcb9ef1SAndrey Kiselev</td>
310dcb9ef1SAndrey Kiselev</table>
3287c5da6fSAndrey Kiselev<a name="SYNOPSIS"></a>
3387c5da6fSAndrey Kiselev<h2>SYNOPSIS</h2>
340dcb9ef1SAndrey Kiselev<!-- INDENTATION -->
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400dcb9ef1SAndrey Kiselev<p><b>#include &lt;tiffio.h&gt;</b></p>
410dcb9ef1SAndrey Kiselev<!-- INDENTATION -->
420dcb9ef1SAndrey Kiselev<p><b>const TIFFCodec* TIFFFindCODEC(uint16</b>
430dcb9ef1SAndrey Kiselev<i>scheme</i><b>);<br>
4487c5da6fSAndrey KiselevTIFFCodec* TIFFRegisterCODEC(uint16</b> <i>scheme</i><b>,
4587c5da6fSAndrey Kiselevconst char *</b><i>method</i><b>, TIFFInitMethod</b>
4687c5da6fSAndrey Kiselev<i>init</i><b>);<br>
470dcb9ef1SAndrey Kiselevvoid TIFFUnRegisterCODEC(TIFFCodec
480dcb9ef1SAndrey Kiselev*</b><i>codec</i><b>);<br>
4987c5da6fSAndrey Kiselevint TIFFIsCODECConfigured(uint16</b>
5087c5da6fSAndrey Kiselev<i>scheme</i><b>);</b></p>
510dcb9ef1SAndrey Kiselev</td>
520dcb9ef1SAndrey Kiselev</table>
5387c5da6fSAndrey Kiselev<a name="DESCRIPTION"></a>
5487c5da6fSAndrey Kiselev<h2>DESCRIPTION</h2>
550dcb9ef1SAndrey Kiselev<!-- INDENTATION -->
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610dcb9ef1SAndrey Kiselev<p><i>libtiff</i> supports a variety of compression schemes
620dcb9ef1SAndrey Kiselevimplemented by software <i>codecs</i>. Each codec adheres to
630dcb9ef1SAndrey Kiseleva modular interface that provides for the decoding and
640dcb9ef1SAndrey Kiselevencoding of image data; as well as some other methods for
6587c5da6fSAndrey Kiselevinitialization, setup, cleanup, and the control of default
6687c5da6fSAndrey Kiselevstrip and tile sizes. Codecs are identified by the
6787c5da6fSAndrey Kiselevassociated value of the <small>TIFF</small>
6887c5da6fSAndrey Kiselev<i>Compression</i> tag; e.g. 5 for <small>LZW</small>
6987c5da6fSAndrey Kiselevcompression.</p>
700dcb9ef1SAndrey Kiselev<!-- INDENTATION -->
710dcb9ef1SAndrey Kiselev<p>The <i>TIFFRegisterCODEC</i> routine can be used to
720dcb9ef1SAndrey Kiselevaugment or override the set of codecs available to an
730dcb9ef1SAndrey Kiselevapplication. If the specified <i>scheme</i> already has a
740dcb9ef1SAndrey Kiselevregistered codec then it is <i>overridden</i> and any images
750dcb9ef1SAndrey Kiselevwith data encoded with this compression scheme will be
760dcb9ef1SAndrey Kiselevdecoded using the supplied coded.</p>
770dcb9ef1SAndrey Kiselev<!-- INDENTATION -->
780dcb9ef1SAndrey Kiselev<p><i>TIFFIsCODECConfigured</i> returns 1 if the codec is
790dcb9ef1SAndrey Kiselevconfigured and working. Otherwise 0 will be returned.</p>
800dcb9ef1SAndrey Kiselev</td>
810dcb9ef1SAndrey Kiselev</table>
8287c5da6fSAndrey Kiselev<a name="DIAGNOSTICS"></a>
8387c5da6fSAndrey Kiselev<h2>DIAGNOSTICS</h2>
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900dcb9ef1SAndrey Kiselev<p><b>No space to register compression scheme %s</b>.
910dcb9ef1SAndrey Kiselev<i>TIFFRegisterCODEC</i> was unable to allocate memory for
920dcb9ef1SAndrey Kiselevthe data structures needed to register a codec.</p>
930dcb9ef1SAndrey Kiselev<!-- INDENTATION -->
940dcb9ef1SAndrey Kiselev<p><b>Cannot remove compression scheme %s; not
950dcb9ef1SAndrey Kiselevregistered</b>. <i>TIFFUnRegisterCODEC</i> did not locate
960dcb9ef1SAndrey Kiselevthe specified codec in the table of registered compression
970dcb9ef1SAndrey Kiselevschemes.</p>
980dcb9ef1SAndrey Kiselev</td>
990dcb9ef1SAndrey Kiselev</table>
10087c5da6fSAndrey Kiselev<a name="SEE ALSO"></a>
10187c5da6fSAndrey Kiselev<h2>SEE ALSO</h2>
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1080dcb9ef1SAndrey Kiselev<p><b>libtiff</b>(3TIFF)</p>
1090dcb9ef1SAndrey Kiselev<!-- INDENTATION -->
1100dcb9ef1SAndrey Kiselev<p>Libtiff library home page:
111*d4dd6cccSBob Friesenhahn<b>http://www.simplesystems.org/libtiff/</b></p>
1120dcb9ef1SAndrey Kiselev</td>
1130dcb9ef1SAndrey Kiselev</table>
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