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half-working INTER block

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minjaesong
2025-08-19 22:20:19 +09:00
parent c1b911c7ad
commit 8bb111760b
3 changed files with 397 additions and 152 deletions
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93
assets/disk0/tvdos/bin/playtev.js
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@@ -24,80 +24,6 @@ const interactive = exec_args[2] && exec_args[2].toLowerCase() == "-i"
const fullFilePath = _G.shell.resolvePathInput(exec_args[1])
const FILE_LENGTH = files.open(fullFilePath.full).size
// Quantization tables for Y channel (16x16 - just use first 8 quality levels)
const QUANT_TABLES_Y = [
// Quality 0 (lowest) - 8x8 pattern repeated to 16x16
(() => {
const base = [80, 60, 50, 80, 120, 200, 255, 255,
55, 60, 70, 95, 130, 255, 255, 255,
70, 65, 80, 120, 200, 255, 255, 255,
70, 85, 110, 145, 255, 255, 255, 255,
90, 110, 185, 255, 255, 255, 255, 255,
120, 175, 255, 255, 255, 255, 255, 255,
245, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255]
const extended = []
for (let y = 0; y < 16; y++) {
for (let x = 0; x < 16; x++) {
extended.push(base[(y % 8) * 8 + (x % 8)])
}
}
return extended
})(),
[40, 30, 25, 40, 60, 100, 128, 150, 28, 30, 35, 48, 65, 128, 150, 180], // Quality 1 (simplified)
[20, 15, 13, 20, 30, 50, 64, 75, 14, 15, 18, 24, 33, 64, 75, 90], // Quality 2
[16, 12, 10, 16, 24, 40, 51, 60, 11, 12, 14, 19, 26, 51, 60, 72], // Quality 3
[12, 9, 8, 12, 18, 30, 38, 45, 8, 9, 11, 14, 20, 38, 45, 54], // Quality 4
[10, 7, 6, 10, 15, 25, 32, 38, 7, 7, 9, 12, 16, 32, 38, 45], // Quality 5
[8, 6, 5, 8, 12, 20, 26, 30, 6, 6, 7, 10, 13, 26, 30, 36], // Quality 6
// Quality 7 (highest)
(() => {
const base = [2, 1, 1, 2, 3, 5, 6, 7,
1, 1, 1, 2, 3, 6, 7, 9,
1, 1, 2, 3, 5, 6, 7, 9,
1, 2, 3, 4, 6, 7, 9, 10,
2, 3, 5, 6, 7, 9, 10, 11,
3, 4, 6, 7, 9, 10, 11, 12,
6, 6, 7, 9, 10, 11, 12, 13,
6, 7, 9, 10, 11, 12, 13, 13]
const extended = []
for (let y = 0; y < 16; y++) {
for (let x = 0; x < 16; x++) {
extended.push(base[(y % 8) * 8 + (x % 8)])
}
}
return extended
})()
]
// Quantization tables for chroma channels (8x8)
const QUANT_TABLES_C = [
// Quality 0 (lowest)
[120, 90, 75, 120, 180, 255, 255, 255,
83, 90, 105, 143, 195, 255, 255, 255,
105, 98, 120, 180, 255, 255, 255, 255,
105, 128, 165, 218, 255, 255, 255, 255,
135, 165, 278, 255, 255, 255, 255, 255,
180, 263, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255],
[60, 45, 38, 60, 90, 150, 192, 225], // Quality 1 (simplified)
[30, 23, 19, 30, 45, 75, 96, 113], // Quality 2
[24, 18, 15, 24, 36, 60, 77, 90], // Quality 3
[18, 14, 12, 18, 27, 45, 57, 68], // Quality 4
[15, 11, 9, 15, 23, 38, 48, 57], // Quality 5
[12, 9, 8, 12, 18, 30, 39, 45], // Quality 6
// Quality 7 (highest)
[3, 2, 2, 3, 5, 8, 9, 11,
2, 2, 2, 3, 5, 9, 11, 14,
2, 2, 3, 5, 8, 9, 11, 14,
2, 3, 5, 6, 9, 11, 14, 15,
3, 5, 8, 9, 11, 14, 15, 17,
5, 6, 9, 11, 14, 15, 17, 18,
9, 9, 11, 14, 15, 17, 18, 20,
9, 11, 14, 15, 17, 18, 20, 20]
]
let videoRateBin = []
let errorlevel = 0
let notifHideTimer = 0
@@ -198,23 +124,12 @@ let ycocgWorkspace = sys.malloc(BLOCK_SIZE * BLOCK_SIZE * 3) // Y+Co+Cg workspac
let dctWorkspace = sys.malloc(BLOCK_SIZE * BLOCK_SIZE * 4) // DCT coefficients (floats)
// Initialize RGB frame buffers to black (0,0,0)
for (let i = 0; i < FRAME_PIXELS; i++) {
// Current frame RGB: black
sys.poke(CURRENT_RGB_ADDR + i*3, 0) // R
sys.poke(CURRENT_RGB_ADDR + i*3 + 1, 0) // G
sys.poke(CURRENT_RGB_ADDR + i*3 + 2, 0) // B
// Previous frame RGB: black
sys.poke(PREV_RGB_ADDR + i*3, 0) // R
sys.poke(PREV_RGB_ADDR + i*3 + 1, 0) // G
sys.poke(PREV_RGB_ADDR + i*3 + 2, 0) // B
}
sys.memset(CURRENT_RGB_ADDR, 0, FRAME_PIXELS * 3)
sys.memset(PREV_RGB_ADDR, 0, FRAME_PIXELS * 3)
// Initialize display framebuffer to black
for (let i = 0; i < FRAME_PIXELS; i++) {
sys.poke(DISPLAY_RG_ADDR - i, 0) // Black in RG plane
sys.poke(DISPLAY_BA_ADDR - i, 15) // Black with alpha=15 (opaque) in BA plane
}
sys.memset(DISPLAY_RG_ADDR, 0, FRAME_PIXELS) // Black in RG plane
sys.memset(DISPLAY_BA_ADDR, 15, FRAME_PIXELS) // Black with alpha=15 (opaque) in BA plane
let frameCount = 0
let stopPlay = false