curioustorvald/tsvm
1
0
Fork 0
mirror of https://github.com/curioustorvald/tsvm.git synced 2026-03-07 11:51:49 +09:00
Code Issues Packages Projects Releases Wiki Activity

TAV decoder fix: limited RGB range

Browse Source
This commit is contained in:
minjaesong
2025-11-04 02:10:32 +09:00
parent 61b0bdaed7
commit c85b007ba9
3 changed files with 251 additions and 42 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
tsvm_core/src/net/torvald/tsvm/GraphicsJSR223Delegate.kt
View File

@@ -4842,13 +4842,13 @@ class GraphicsJSR223Delegate(private val vm: VM) {
private fun perceptual_model3_LH(level: Float): Float {
val H4 = 1.2f
val Q = 2f // using fixed value for fixed curve; quantiser will scale it up anyway
val Q12 = Q * 12f
val K = 2f // using fixed value for fixed curve; quantiser will scale it up anyway
val K12 = K * 12f
val x = level
val Lx = H4 - ((Q + 1f) / 15f) * (x - 4f)
val C3 = -1f / 45f * (Q12 + 92)
val G3x = (-x / 180f) * (Q12 + 5 * x * x - 60 * x + 252) - C3 + H4
val Lx = H4 - ((K + 1f) / 15f) * (x - 4f)
val C3 = -1f / 45f * (K12 + 92)
val G3x = (-x / 180f) * (K12 + 5 * x * x - 60 * x + 252) - C3 + H4
return if (level >= 4) Lx else G3x
}