http://www.avisynth.nl/index.php?action=history&feed=atom&title=FixBrokenChromaUpsampling 2026-09-14T05:06:41Z Revision history for this page on the wiki MediaWiki 1.46.0 http://www.avisynth.nl/index.php?title=FixBrokenChromaUpsampling&diff=6866&oldid=prev 2015-11-08T15:07:29Z

<p>added category</p> <table style="background-color: #fff; color: #202122;" data-mw-interface=""> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 17:07, 8 November 2015</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l41">Line 41:</td> <td colspan="2" class="diff-lineno">Line 41:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Internal filters]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Internal filters]]</div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Category:Chroma_correction]]</ins></div></td></tr> </table>

Raffriff42 http://www.avisynth.nl/index.php?title=FixBrokenChromaUpsampling&diff=575&oldid=prev 2013-05-09T15:02:26Z

<p>1 revision</p> <table style="background-color: #fff; color: #202122;" data-mw-interface=""> <tr class="diff-title" lang="en"> <td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 17:02, 9 May 2013</td> </tr><tr><td colspan="2" class="diff-notice" lang="en"><div class="mw-diff-empty">(No difference)</div> </td></tr></table>

Admin http://www.avisynth.nl/index.php?title=FixBrokenChromaUpsampling&diff=574&oldid=prev 2006-03-30T20:52:38Z

<p></p> <p><b>New page</b></p><div>{{Template:FuncDef|FixBrokenChromaUpsampling(clip &#039;&#039;clip&#039;&#039;)}}<br /> <br /> The free Canopus DV Codec v1.00 upsamples the chroma channels incorrectly (although newer non-free versions appear to work fine). Chroma is [http://forum.doom9.org/showthread.php?p=180052#post180052 duplicated from the other field], resulting in the famous [http://www.avisynth.org/Sampling Chroma Upsampling Error ...].<br /> <br /> FixBrokenChromaUpsampling filter compensates for it. You should put this after [[AviSource]] if you&#039;re using the above Canopus DV codec. Old versions of the [[DirectShow]] based MS DV codec also might have this problem (the one that comes with DirectX7 (but i need to check this), the one that comes with DirectX8/9 works fine).<br /> <br /> The Canopus DV codec swaps the chroma of the middle 2 for each group of 4 lines:<br /> <br /> {| border=&quot;1&quot;<br /> |- <br /> | frame_correct<br /> | frame_Canopus<br /> |- <br /> | line 1<br /> | line 1<br /> |- <br /> | line 2<br /> | line 3<br /> |- <br /> | line 3<br /> | line 2<br /> |- <br /> | line 4<br /> | line 4<br /> |- <br /> | line 5<br /> | line 5<br /> |- <br /> | line 6<br /> | line 7<br /> |- <br /> | line 7<br /> | line 6<br /> |- <br /> | line 8<br /> | line 8<br /> |}<br /> <br /> For each group of 4 lines FixBrokenChromaUpsampling corrects this by swapping the chroma back.<br /> <br /> <br /> [[Category:Internal filters]]</div>

Wilbert