From http://www.jwz.org/xscreensaver/xscreensaver-5.40.tar.gz

[xscreensaver] / hacks / config / vfeedback.xml

diff --git a/hacks/config/vfeedback.xml b/hacks/config/vfeedback.xml
new file mode 100644 (file)
index 0000000..2accd19
--- /dev/null
+++ b/hacks/config/vfeedback.xml
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+
+<screensaver name="vfeedback" _label="VFeedback">
+
+  <command arg="-root"/>
+
+  <video href="https://www.youtube.com/watch?v=I_MkW0CW4QM"/>
+
+  <hgroup>
+   <vgroup>
+    <number id="tvcolor" type="slider" arg="-tv-color %"
+            _label="Color Knob" _low-label="Low" _high-label="High"
+            low="0" high="400" default="70"/>
+    <number id="tvtint" type="slider" arg="-tv-tint %"
+            _label="Tint Knob" _low-label="Low" _high-label="High"
+            low="0" high="360" default="5"/>
+    <number id="noise" type="slider" arg="-noise %"
+            _label="Noise" _low-label="Low" _high-label="High"
+            low="0.0" high="0.2" default="0.02"/>
+   </vgroup>
+   <vgroup>
+    <number id="tvbrightness" type="slider" arg="-tv-brightness %"
+            _label="Brightness Knob" _low-label="Low" _high-label="High"
+            low="-75.0" high="100.0" default="1.5"/>
+    <number id="tvcontrast" type="slider" arg="-tv-contrast %"
+            _label="Contrast Knob" _low-label="Low" _high-label="High"
+            low="0" high="500" default="150"/>
+    <boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
+   </vgroup>
+  </hgroup>
+
+  <xscreensaver-updater />
+
+  <_description>
+Simulates video feedback: pointing a video camera at an NTSC television.
+
+Written by Jamie Zawinski; 2018.
+  </_description>
+</screensaver>