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TAV: even more preset changes

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minjaesong
2025-10-07 02:27:15 +09:00
parent 21e3fe4c1e
commit cdec0fe020
3 changed files with 120 additions and 22 deletions
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32
tsvm_core/src/net/torvald/tsvm/GraphicsJSR223Delegate.kt
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@@ -4235,14 +4235,14 @@ class GraphicsJSR223Delegate(private val vm: VM) {
return subbands
}
var ANISOTROPY_MULT = floatArrayOf(2.0f, 1.8f, 1.6f, 1.4f, 1.2f, 1.0f)
var ANISOTROPY_BIAS = floatArrayOf(0.4f, 0.2f, 0.1f, 0.0f, 0.0f, 0.0f)
var ANISOTROPY_MULT_CHROMA = floatArrayOf(6.6f, 5.5f, 4.4f, 3.3f, 2.2f, 1.1f)
var ANISOTROPY_BIAS_CHROMA = floatArrayOf(1.0f, 0.8f, 0.6f, 0.4f, 0.2f, 0.0f)
var ANISOTROPY_MULT = floatArrayOf(2.0f, 1.8f, 1.6f, 1.4f, 1.2f, 1.0f, 1.0f)
var ANISOTROPY_BIAS = floatArrayOf(0.4f, 0.2f, 0.1f, 0.0f, 0.0f, 0.0f, 0.0f)
var ANISOTROPY_MULT_CHROMA = floatArrayOf(6.6f, 5.5f, 4.4f, 3.3f, 2.2f, 1.1f, 1.0f)
var ANISOTROPY_BIAS_CHROMA = floatArrayOf(1.0f, 0.8f, 0.6f, 0.4f, 0.2f, 0.0f, 0.0f)
private fun perceptual_model3_LH(quality: Int, level: Float): Float {
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
@@ -4268,9 +4268,9 @@ class GraphicsJSR223Delegate(private val vm: VM) {
return lerp(LH, HL, Kx)
}
fun perceptual_model3_LL(quality: Int, level: Float): Float {
val n = perceptual_model3_LH(quality, level)
val m = perceptual_model3_LH(quality, level - 1) / n
fun perceptual_model3_LL(level: Float): Float {
val n = perceptual_model3_LH(level)
val m = perceptual_model3_LH(level - 1) / n
return n / m
}
@@ -4284,13 +4284,13 @@ class GraphicsJSR223Delegate(private val vm: VM) {
private fun tavDeriveEncoderQindex(qIndex: Int, qYGlobal: Int): Int {
if (qIndex > 0) return qIndex - 1
return if (qYGlobal >= 60) 0
else if (qYGlobal >= 42) 1
else if (qYGlobal >= 25) 2
else if (qYGlobal >= 12) 3
else if (qYGlobal >= 6) 4
return if (qYGlobal >= 79) 0
else if (qYGlobal >= 47) 1
else if (qYGlobal >= 23) 2
else if (qYGlobal >= 11) 3
else if (qYGlobal >= 5) 4
else if (qYGlobal >= 2) 5
else 5
else 6
}
// level is one-based index
@@ -4306,10 +4306,10 @@ class GraphicsJSR223Delegate(private val vm: VM) {
// LUMA CHANNEL: Based on statistical analysis from real video content
// LL subband - contains most image energy, preserve carefully
if (subbandType == 0) return perceptual_model3_LL(qualityLevel, level)
if (subbandType == 0) return perceptual_model3_LL(level)
// LH subband - horizontal details (human eyes more sensitive)
val LH: Float = perceptual_model3_LH(qualityLevel, level)
val LH: Float = perceptual_model3_LH(level)
if (subbandType == 1) return LH
// HL subband - vertical details