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TAV: now writes encoder q-value to the header

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This commit is contained in:
minjaesong
2025-09-25 18:15:53 +09:00
parent ca18595134
commit 4d9981ec23
4 changed files with 40 additions and 33 deletions
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11
assets/disk0/tvdos/bin/playtav.js
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@@ -375,7 +375,8 @@ let header = {
qualityCg: 0, // TAV-specific: Cg channel quality
extraFlags: 0,
videoFlags: 0,
reserved: new Array(7)
qualityLevel: 0,
fileRole: 0
}
// Read and validate header
@@ -410,11 +411,11 @@ header.qualityCo = seqread.readOneByte()
header.qualityCg = seqread.readOneByte()
header.extraFlags = seqread.readOneByte()
header.videoFlags = seqread.readOneByte()
header.qualityLevel = seqread.readOneByte() // the decoder expects biased value
header.fileRole = seqread.readOneByte()
// Skip reserved bytes
for (let i = 0; i < 7; i++) {
seqread.readOneByte()
}
seqread.skip(5)
if (header.version < 1 || header.version > 6) {
printerrln(`Error: Unsupported TAV version ${header.version}`)
@@ -710,7 +711,7 @@ try {
blockDataPtr,
CURRENT_RGB_ADDR, PREV_RGB_ADDR, // RGB buffer pointers (not float arrays!)
header.width, header.height,
header.qualityY, header.qualityCo, header.qualityCg,
header.qualityLevel, header.qualityY, header.qualityCo, header.qualityCg,
frameCount,
header.waveletFilter, // TAV-specific parameter
header.decompLevels, // TAV-specific parameter