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Diffstat (limited to 'doc/html/group___turbo_j_p_e_g.html')
| -rw-r--r-- | doc/html/group___turbo_j_p_e_g.html | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/doc/html/group___turbo_j_p_e_g.html b/doc/html/group___turbo_j_p_e_g.html index 052e750..26c7768 100644 --- a/doc/html/group___turbo_j_p_e_g.html +++ b/doc/html/group___turbo_j_p_e_g.html @@ -178,7 +178,8 @@ Enumerations</h2></td></tr> <a class="el" href="group___turbo_j_p_e_g.html#gga1d047060ea80bb9820d540bb928e9074a63085dbf683cfe39e513cdb6343e3737">TJSAMP_420</a>, <a class="el" href="group___turbo_j_p_e_g.html#gga1d047060ea80bb9820d540bb928e9074a3f1c9504842ddc7a48d0f690754b6248">TJSAMP_GRAY</a>, <br/> -  <a class="el" href="group___turbo_j_p_e_g.html#gga1d047060ea80bb9820d540bb928e9074accf740e6f3aa6ba20ba922cad13cb974">TJSAMP_440</a> +  <a class="el" href="group___turbo_j_p_e_g.html#gga1d047060ea80bb9820d540bb928e9074accf740e6f3aa6ba20ba922cad13cb974">TJSAMP_440</a>, +<a class="el" href="group___turbo_j_p_e_g.html#gga1d047060ea80bb9820d540bb928e9074a28ec62575e5ea295c3fde3001dc628e2">TJSAMP_411</a> <br/> }</td></tr> <tr class="memdesc:ga1d047060ea80bb9820d540bb928e9074"><td class="mdescLeft"> </td><td class="mdescRight">Chrominance subsampling options. <a href="group___turbo_j_p_e_g.html#ga1d047060ea80bb9820d540bb928e9074">More...</a><br/></td></tr> @@ -706,6 +707,10 @@ Variables</h2></td></tr> <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. Note that 4:4:0 subsampling is not fully accelerated in libjpeg-turbo. </p> </td></tr> +<tr><td class="fieldname"><em><a class="anchor" id="gga1d047060ea80bb9820d540bb928e9074a28ec62575e5ea295c3fde3001dc628e2"></a>TJSAMP_411</em> </td><td class="fielddoc"> +<p>4:1:1 chrominance subsampling. </p> +<p>The JPEG or YUV image will contain one chrominance component for every 4x1 block of pixels in the source image. JPEG images compressed with 4:1:1 subsampling will be almost exactly the same size as those compressed with 4:2:0 subsampling, and in the aggregate, both subsampling methods produce approximately the same perceptual quality. However, 4:1:1 is better able to reproduce sharp horizontal features. Note that 4:1:1 subsampling is not fully accelerated in libjpeg-turbo. </p> +</td></tr> </table> </div> @@ -1612,7 +1617,8 @@ If you choose option 1, <code>dstSizes[i]</code> should be set to the size of yo <li>8x8 for no subsampling or grayscale</li> <li>16x8 for 4:2:2</li> <li>8x16 for 4:4:0</li> -<li>16x16 for 4:2:0 </li> +<li>16x16 for 4:2:0</li> +<li>32x8 for 4:1:1 </li> </ul> </div> @@ -1641,7 +1647,8 @@ If you choose option 1, <code>dstSizes[i]</code> should be set to the size of yo <li>8x8 for no subsampling or grayscale</li> <li>16x8 for 4:2:2</li> <li>8x16 for 4:4:0</li> -<li>16x16 for 4:2:0 </li> +<li>16x16 for 4:2:0</li> +<li>32x8 for 4:1:1 </li> </ul> </div> |