Fix naming of 3D FFT Denoiser parameters

Sigma, amount, block, overlap are the names used by the filter and the
filter's documentation.

BUG: 460003

data/effects/avfilter/avfilter_fftdnoiz.xml

@@ -4,25 +4,25 @@
 	<description>Denoise frames using 3D FFT (frequency domain filtering)</description>
 	<author>libavfilter</author>
     <parameter type="constant" name="av.sigma" default="1" min="0" max="30" factor="1">
-                <name>Scale</name>
-        </parameter>        
+                <name>Sigma</name>
+        </parameter>
     <parameter type="constant" name="av.amount" default="1" min="0.01" max="1" decimals="3">
-                <name>Delta</name>
+                <name>Amount</name>
         </parameter>
 <parameter type="constant" name="av.block" default="4" min="3" max="6" factor="1">
-                <name>Scale</name>
-        </parameter>        
+                <name>Block</name>
+        </parameter>
     <parameter type="constant" name="av.overlap" default="0.5" min="0.2" max="0.8" decimals="3">
-                <name>Delta</name>
+                <name>Overlap</name>
         </parameter>
         <parameter type="bool" name="av.prev" default="0">
                 <name>Add previous frame to temporal denoise</name>
-        </parameter>        
+        </parameter>
     <parameter type="bool" name="av.next" default="0">
                 <name>Add next frame to temporal denoise</name>
         </parameter>
         <parameter type="list" name="av.planes" default="7" paramlist="0;1;2;3;4;5;6;7;8">
         <paramlistdisplay>None,Y,U,YU,V,YV,UV,YUV,Alpha</paramlistdisplay>
                 <name>Planes</name>
-        </parameter>  
+        </parameter>
 </effect>