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Adds superficially correct compositeSampleLuminance8Phase8 function.

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Thereby uncovering a minor error in my decoding of colour phase.
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Thomas Harte
2020-08-10 21:33:59 -04:00
parent 525233e10b
commit 8374a5e579
3 changed files with 14 additions and 35 deletions
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Outputs/ScanTarget.hpp
+4 -2
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@@ -75,8 +75,10 @@ enum class InputDataType {
// of a colour subcarrier. So they can be used to generate a luminance signal,
// or an s-video pipeline.
Luminance8Phase8, // 2 bytes/pixel; first is luminance, second is phase.
// Phase is encoded on a 192-unit circle; anything
Luminance8Phase8, // 2 bytes/pixel; first is luminance, second is phase
// of a cosine wave.
//
// Phase is encoded on a 128-unit circle; anything
// greater than 192 implies that the colour part of
// the signal should be omitted.