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Add note regarding the fact that 4:4:0 lacks full SIMD support; Add an option for benchmarking 4:4:0 subsampling in tjbench.

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DRC
2013-08-18 09:15:37 +00:00
parent 458a2dd64e
commit b34b2ad711
12 changed files with 18 additions and 14 deletions
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doc/html/group___turbo_j_p_e_g.html
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@@ -704,7 +704,7 @@ Variables</h2></td></tr>
</td></tr>
<tr><td class="fieldname"><em><a class="anchor" id="gga1d047060ea80bb9820d540bb928e9074accf740e6f3aa6ba20ba922cad13cb974"></a>TJSAMP_440</em>&nbsp;</td><td class="fielddoc">
<p>4:4:0 chrominance subsampling. </p>
<p>The JPEG or YUV image will contain one chrominance component for every 1x2 block of pixels in the source image. </p>
<p>The JPEG or YUV image will contain one chrominance component for every 1x2 block of pixels in the source image. Note that 4:4:0 subsampling is not fully accelerated in the libjpeg-turbo implementation of TurboJPEG. </p>
</td></tr>
</table>
@@ -1694,7 +1694,7 @@ If you choose option 1, <code>dstSizes[i]</code> should be set to the size of yo
</div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated on Sun Aug 18 2013 03:40:14 for TurboJPEG by &#160;<a href="http://www.doxygen.org/index.html">
Generated on Sun Aug 18 2013 04:14:41 for TurboJPEG by &#160;<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.8.3.1
</small></address>