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rate control not quite working but committing anyway due to format change

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This commit is contained in:
minjaesong
2025-08-24 13:35:08 +09:00
parent b1857e355a
commit cb07ab1f3b
4 changed files with 409 additions and 219 deletions
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18
assets/disk0/tvdos/bin/playtev.js
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@@ -201,8 +201,20 @@ try {
sys.memcpy(CURRENT_RGB_ADDR, PREV_RGB_ADDR, FRAME_PIXELS * 3)
} else if (packetType == TEV_PACKET_IFRAME || packetType == TEV_PACKET_PFRAME) {
// Video frame packet
// Video frame packet (always includes rate control factor)
let payloadLen = seqread.readInt()
// Always read rate control factor (4 bytes, little-endian float)
let rateFactorBytes = seqread.readBytes(4)
let view = new DataView(new ArrayBuffer(4))
for (let i = 0; i < 4; i++) {
view.setUint8(i, sys.peek(rateFactorBytes + i))
}
let rateControlFactor = view.getFloat32(0, true) // true = little-endian
//serial.println(`rateControlFactor = ${rateControlFactor}`)
sys.free(rateFactorBytes)
payloadLen -= 4 // Subtract rate factor size from payload
let compressedPtr = seqread.readBytes(payloadLen)
updateDataRateBin(payloadLen)
@@ -232,9 +244,9 @@ try {
continue
}
// Hardware-accelerated TEV YCoCg-R decoding to RGB buffers
// Hardware-accelerated TEV YCoCg-R decoding to RGB buffers (with rate control factor)
try {
graphics.tevDecode(blockDataPtr, CURRENT_RGB_ADDR, PREV_RGB_ADDR, width, height, quality, debugMotionVectors)
graphics.tevDecode(blockDataPtr, CURRENT_RGB_ADDR, PREV_RGB_ADDR, width, height, quality, debugMotionVectors, rateControlFactor)
// Upload RGB buffer to display framebuffer with dithering
graphics.uploadRGBToFramebuffer(CURRENT_RGB_ADDR, DISPLAY_RG_ADDR, DISPLAY_BA_ADDR,