| author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
| Tue, 06 Jul 2010 15:10:48 +0300 | |
| changeset 30 | 5dc02b23752f |
| parent 0 | 1918ee327afb |
| permissions | -rw-r--r-- |
| 0 | 1 |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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<title>CODEC</title> |
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<h1 align=center>CODEC</h1> |
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<a href="#NAME">NAME</a><br> |
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<a href="#SYNOPSIS">SYNOPSIS</a><br> |
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<a href="#DESCRIPTION">DESCRIPTION</a><br> |
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<a href="#DIAGNOSTICS">DIAGNOSTICS</a><br> |
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<a href="#SEE ALSO">SEE ALSO</a><br> |
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<a name="NAME"></a> |
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<h2>NAME</h2> |
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<p>TIFFFindCODEC, TIFFRegisterCODEC, TIFFUnRegisterCODEC, |
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TIFFIsCODECConfigured − codec-related utility |
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routines</p> |
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<a name="SYNOPSIS"></a> |
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<h2>SYNOPSIS</h2> |
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<p><b>#include <tiffio.h></b></p> |
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<p><b>const TIFFCodec* TIFFFindCODEC(uint16</b> |
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<i>scheme</i><b>);<br> |
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TIFFCodec* TIFFRegisterCODEC(uint16</b> <i>scheme</i><b>, |
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const char *</b><i>method</i><b>, TIFFInitMethod</b> |
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<i>init</i><b>);<br> |
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void TIFFUnRegisterCODEC(TIFFCodec |
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*</b><i>codec</i><b>);<br> |
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int TIFFIsCODECConfigured(uint16</b> |
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<i>scheme</i><b>);</b></p> |
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<a name="DESCRIPTION"></a> |
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<h2>DESCRIPTION</h2> |
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<p><i>libtiff</i> supports a variety of compression schemes |
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implemented by software <i>codecs</i>. Each codec adheres to |
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a modular interface that provides for the decoding and |
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encoding of image data; as well as some other methods for |
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initialization, setup, cleanup, and the control of default |
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strip and tile sizes. Codecs are identified by the |
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associated value of the <small>TIFF</small> |
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<i>Compression</i> tag; e.g. 5 for <small>LZW</small> |
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compression.</p> |
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<p>The <i>TIFFRegisterCODEC</i> routine can be used to |
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augment or override the set of codecs available to an |
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application. If the specified <i>scheme</i> already has a |
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registered codec then it is <i>overridden</i> and any images |
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with data encoded with this compression scheme will be |
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decoded using the supplied coded.</p> |
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<p><i>TIFFIsCODECConfigured</i> returns 1 if the codec is |
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configured and working. Otherwise 0 will be returned.</p> |
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</table> |
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<a name="DIAGNOSTICS"></a> |
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<h2>DIAGNOSTICS</h2> |
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<p><b>No space to register compression scheme %s</b>. |
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<i>TIFFRegisterCODEC</i> was unable to allocate memory for |
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the data structures needed to register a codec.</p> |
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<p><b>Cannot remove compression scheme %s; not |
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registered</b>. <i>TIFFUnRegisterCODEC</i> did not locate |
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the specified codec in the table of registered compression |
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schemes.</p> |
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</table> |
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<a name="SEE ALSO"></a> |
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<h2>SEE ALSO</h2> |
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<p><b>libtiff</b>(3TIFF)</p> |
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<p>Libtiff library home page: |
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<b>http://www.remotesensing.org/libtiff/</b></p> |
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</td> |
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<hr> |
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