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tav: skip frame coding

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This commit is contained in:
minjaesong
2025-10-08 11:09:06 +09:00
parent d08511a39d
commit 67445b040c
6 changed files with 133 additions and 25 deletions
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10
tsvm_core/src/net/torvald/tsvm/GraphicsJSR223Delegate.kt
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@@ -4535,6 +4535,7 @@ class GraphicsJSR223Delegate(private val vm: VM) {
dbgOut["qY"] = qY
dbgOut["qCo"] = qCo
dbgOut["qCg"] = qCg
dbgOut["frameMode"] = ""
// debug print: raw decompressed bytes
/*print("TAV Decode raw bytes (Frame $frameCount, mode: ${arrayOf("SKIP", "INTRA", "DELTA")[mode]}): ")
@@ -4547,18 +4548,21 @@ class GraphicsJSR223Delegate(private val vm: VM) {
0x00 -> { // TAV_MODE_SKIP
// Copy 280x224 tile from previous frame to current frame
tavCopyTileRGB(tileX, tileY, currentRGBAddr, prevRGBAddr, width, height)
dbgOut["frameMode"] = "S"
}
0x01 -> { // TAV_MODE_INTRA
// Decode DWT coefficients directly to RGB buffer
readPtr = tavDecodeDWTIntraTileRGB(qIndex, qYGlobal, channelLayout, readPtr, tileX, tileY, currentRGBAddr,
width, height, qY, qCo, qCg,
waveletFilter, decompLevels, isLossless, tavVersion, isMonoblock, filmGrainLevel)
dbgOut["frameMode"] = " "
}
0x02 -> { // TAV_MODE_DELTA
// Coefficient delta encoding for efficient P-frames
readPtr = tavDecodeDeltaTileRGB(readPtr, channelLayout, tileX, tileY, currentRGBAddr,
width, height, qY, qCo, qCg,
waveletFilter, decompLevels, isLossless, tavVersion, isMonoblock, filmGrainLevel)
dbgOut["frameMode"] = " "
}
}
}
@@ -4674,7 +4678,7 @@ class GraphicsJSR223Delegate(private val vm: VM) {
dequantiseDWTSubbandsPerceptual(qIndex, qYGlobal, quantisedCo, coTile, subbands, qCo.toFloat(), true, decompLevels)
dequantiseDWTSubbandsPerceptual(qIndex, qYGlobal, quantisedCg, cgTile, subbands, qCg.toFloat(), true, decompLevels)
// Apply spooky noise filter if enabled
// Apply film grain filter if enabled
if (filmGrainLevel > 0) {
val random = java.util.Random()
for (i in 0 until coeffCount) {
@@ -4740,7 +4744,7 @@ class GraphicsJSR223Delegate(private val vm: VM) {
cgTile[i] = quantisedCg[i] * qCg.toFloat()
}
// Apply spooky noise filter if enabled
// Apply film grain filter if enabled
if (filmGrainLevel > 0) {
val random = java.util.Random()
for (i in 0 until coeffCount) {
@@ -5322,7 +5326,7 @@ class GraphicsJSR223Delegate(private val vm: VM) {
currentCg[i] = prevCg[i] + (deltaCg[i].toFloat() * qCg)
}
// Apply spooky noise filter if enabled
// Apply film grain filter if enabled
if (filmGrainLevel > 0) {
val random = java.util.Random()
for (i in 0 until coeffCount) {