Fix some more xml parameters by Eugen Mohr

data/effects/avfilter/avfilter_chromahold.xml

@@ -14,5 +14,5 @@
 	</parameter>
     <parameter type="bool" name="av.yuv" default="false">
         <name>for YUV color</name>
-        </parameter>
+    </parameter>
 </effect>

data/effects/avfilter/avfilter_datascope.xml

@@ -23,9 +23,9 @@
 	</parameter>
     <parameter type="constant" name="av.o" max="1" min="0" default="0.75" decimals="2">
 		<name>Opacity</name>
-    </parameter>
-    <parameter type="list" name="av.f" default="hex" paramlist="hex;dec">
+	</parameter>
+		<parameter type="list" name="av.f" default="hex" paramlist="hex;dec">
          <paramlistdisplay>Hex,Dec</paramlistdisplay>
 		<name>Format</name>
-	</parameter>
-</effect>
+		</parameter>
+    </effect>

data/effects/avfilter/avfilter_histogram.xml

@@ -9,7 +9,7 @@
         <parameter type="constant" name="av.scale_height" default="12" min="0" max="40" factor="1">
         <name>Scale height</name>
     </parameter>   
-    <parameter type="list" name="av.display_mode" default="parade" paramlist="overlay;stack;parade">
+    <parameter type="list" name="av.display_mode" default="stack" paramlist="overlay;stack;parade">
                 <paramlistdisplay>Overlay,Stack,Parade</paramlistdisplay>
                 <name>Display</name>
         </parameter>
@@ -17,11 +17,11 @@
         <paramlistdisplay>Linear,Logarithmic</paramlistdisplay>
         <name>Mode</name>
     </parameter>
-    <parameter type="list" name="av.c" default="7" paramlist="0;1;2;3;4;5;6;7;8">
-        <paramlistdisplay>All,Y,U,YU,V,YV,UV,YUV,Alpha</paramlistdisplay>
+    <parameter type="list" name="av.c" default="1" paramlist="0;1;2;3;4;5;6;7;8">
+        <paramlistdisplay>All,Y,U,YU,V,YV,UV,All,Alpha</paramlistdisplay>
             <name>Components to display</name>
-    </parameter>
-        <parameter type="constant" name="av.f" default="0.7" min="0" max="1" decimals="1">
+        </parameter>
+            <parameter type="constant" name="av.f" default="0.7" min="0" max="1" decimals="1">
         <name>Foreground Opacity</name>
     </parameter>
         <parameter type="constant" name="av.b" default="0.5" min="0" max="1" decimals="1">

data/effects/avfilter/avfilter_hqdn3d.xml

@@ -16,4 +16,3 @@
                 <name>Temporal Chroma Strength</name>
         </parameter>
         </effect>
-gi

data/effects/avfilter/avfilter_sr.xml

@@ -12,4 +12,5 @@
         </parameter>
         <parameter type="constant" name="av.scale_factor" default="2" min="2" max="4" factor="1">
                 <name>Scale factor for SRCNN</name>
+		</parameter>
 </effect>