http://avisynth.nl/index.php?action=history&feed=atom&title=Descale
Descale - Revision history
2026-05-01T00:06:25Z
Revision history for this page on the wiki
MediaWiki 1.19.24
http://avisynth.nl/index.php?title=Descale&diff=12915&oldid=prev
Reel.Deal: add links
2023-02-08T18:42:02Z
<p>add links</p>
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<td colspan='2' style="background-color: white; color:black;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black;">Revision as of 18:42, 8 February 2023</td>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|4=Resize  </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|4=Resize  </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|5=[https://github.com/Irrational-Encoding-Wizardry/descale/blob/master/LICENSE MIT]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|5=[https://github.com/Irrational-Encoding-Wizardry/descale/blob/master/LICENSE MIT]</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>|6=}}</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>|6=<ins class="diffchange diffchange-inline">[https://forum.doom9.org/showthread.php?t=174570 Doom9 Thread]</ins>}}</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Description ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Description ==</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== External Links ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== External Links ==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*[https://github.com/Irrational-Encoding-Wizardry/descale GitHub] - source code repository</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*[https://github.com/Irrational-Encoding-Wizardry/descale GitHub] - source code repository</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*[https://silentaperture.gitlab.io/mdbook-guide/filtering/descaling.html GitLab] - guide on descaling.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*[https://guide.encode.moe/encoding/descaling.html encode.moe] - kageru's descaling guide.</ins></div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>-----------------------------------------------</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>-----------------------------------------------</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>'''Back to [[External_filters#Resizers|External Filters]] &larr;'''</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>'''Back to [[External_filters#Resizers|External Filters]] &larr;'''</div></td></tr>
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Reel.Deal
http://avisynth.nl/index.php?title=Descale&diff=12910&oldid=prev
Reel.Deal: Descale r8
2023-02-08T07:55:55Z
<p>Descale r8</p>
<p><b>New page</b></p><div>{{FilterCat6|External_filters|Plugins|Plugins_x64|Adjustment_filters|Resizers|Deep_color_tools}}<br />
{{Filter3<br />
|1=[https://github.com/Frechdachs Frechdachs]<br />
|2=r8<br />
|3=[x86]: [https://github.com/Irrational-Encoding-Wizardry/descale/files/8405290/avisynth-descale-r8-win32.zip avisynth-descale-r8-win32.zip]<br />
-----------<br />
[x64]: [https://github.com/Irrational-Encoding-Wizardry/descale/releases avisynth-descale-r8-win64.zip]<br />
|4=Resize <br />
|5=[https://github.com/Irrational-Encoding-Wizardry/descale/blob/master/LICENSE MIT]<br />
|6=}}<br />
<br><br />
== Description ==<br />
[[Descale]] is a filter to undo upscaling.<br><br />
<br><br />
== Requirements ==<br />
* [x86] / [x64]: [[AviSynth+]]<br />
* Supported color formats: All [[planar]] formats (8/10/12/14/16/32-bit, YUV/RGB with or without alpha) are supported.<br />
<br><br />
== [[Script variables|Syntax and Parameters]] ==<br />
:{{Template:FuncDef|Debicubic (clip, int target_width, int target_height, float "b", float "c", float "src_left", float "src_top", float "src_width", float "src_height", int "opt")}}<br />
<br />
:{{Template:FuncDef|Debilinear (clip, int target_width, int target_height, float "src_left", float "src_top", float "src_width", float "src_height", int "opt")}}<br />
<br />
:{{Template:FuncDef|Delanczos (clip, int target_width, int target_height, int "taps", float "src_left", float "src_top", float "src_width", float "src_height", int "opt")}}<br />
<br />
:{{Template:FuncDef|Descale (clip, int target_width, int target_height, string "kernel", int "taps", float "b", float "c", float "src_left", float "src_top", float "src_width", float "src_height", int "opt")}}<br />
<br />
:{{Template:FuncDef|Despline16 (clip, int target_width, int target_height, float "src_left", float "src_top", float "src_width", float "src_height", int "opt")}}<br />
<br />
:{{Template:FuncDef|Despline36 (clip, int target_width, int target_height, float "src_left", float "src_top", float "src_width", float "src_height", int "opt")}}<br />
<br />
:{{Template:FuncDef|Despline64 (clip, int target_width, int target_height, float "src_left", float "src_top", float "src_width", float "src_height", int "opt")}}<br />
<br><br />
::{{Par2| |clip| }}<br />
:::Input clip.<br />
<br><br />
::{{Par2| |int| }}<br />
::{{Par2| |int| }}<br />
:::<code>target_width, target_height</code>: presumed 'native' resolution.<br />
<br><br />
::{{Par2|kernel|string| }}<br />
:::Parameter for '''<code>Descale</code>''' only. Note that this parameter is named but does not have a default.<br />
:::Desample mode: <code>"bilinear", "bicubic", "lanczos", "spline16", "spline32", "spline64"</code><br />
<br><br />
::{{Par2|b|float|0.0}}<br />
::{{Par2|c|float|0.5}}<br />
:::Parameters for '''<code>Debicubic</code>''' only.<br />
:::The parameters b and c can be used to adjust the properties of the cubic, they are sometimes referred to as "blurring" and "ringing" respectively. <br />
<br><br />
::{{Par2|taps|int|3}}<br />
:::Parameter for '''<code>Delanczos </code>''' only.<br />
:::Controls the filter’s number of lobes, or taps. Increasing the number of lobes improves sharpness at the cost of increased ringing. <br />
:::You might occasionally see the tap count appended to the filter name to clarify the exact filter used, e.g. Lanczos2 for 2 taps.<br />
<br><br />
::{{Par2|src_left|float|0.0}}<br />
::: Cropping of the left edge.<br />
<br><br />
::{{Par2|src_top|float|0.0}}<br />
:::Cropping of the top edge.<br />
<br><br />
::{{Par2|src_width|float|Source width}}<br />
:::If > 0.0 it sets the width of the clip before resizing.<br />
:::If <= 0.0 it sets the cropping of the right edges before resizing.<br />
<br><br />
::{{Par2|src_height|float|Source height}}<br />
:::If > 0.0 it sets the height of the clip before resizing.<br />
:::If <= 0.0 it sets the cropping of the bottom edges before resizing<br />
<br><br />
::{{Par2|opt|int|0}}<br />
:::Sets which cpu optimizations to use.<br />
:::* 0 : auto<br />
:::* 1 : none<br />
:::* 2 : avx2<br />
<br><br />
<br />
== Changelog ==<br />
Version Date Changes<br><br />
r8 2022/04/02 - Add AviSynth+ plugin (API V8 required)<br />
- AviSynth+: self-registers as [[MT_NICE_FILTER]]<br />
<br><br />
== External Links ==<br />
*[https://github.com/Irrational-Encoding-Wizardry/descale GitHub] - source code repository<br />
<br><br />
<br><br />
-----------------------------------------------<br />
'''Back to [[External_filters#Resizers|External Filters]] &larr;'''</div>
Reel.Deal