mirror of
https://github.com/curioustorvald/tsvm.git
synced 2026-03-09 20:51:51 +09:00
76 lines
2.2 KiB
JavaScript
76 lines
2.2 KiB
JavaScript
// some manual config shits
|
|
let TOTAL_FRAMES = 3813
|
|
let FPS = 30
|
|
let WIDTH = 560
|
|
let HEIGHT = 448
|
|
let PATHFUN = (i) => `/ddol/${(''+i).padStart(5,'0')}.png`
|
|
|
|
|
|
const FBUF_SIZE = WIDTH * HEIGHT
|
|
let infile = sys.malloc(512000) // somewhat arbitrary
|
|
let imagearea = sys.malloc(FBUF_SIZE*3)
|
|
let decodearea = sys.malloc(FBUF_SIZE)
|
|
let ipfarea = sys.malloc(FBUF_SIZE)
|
|
let gzippedImage = sys.malloc(512000) // somewhat arbitrary
|
|
|
|
let outfilename = exec_args[1]
|
|
|
|
if (!outfilename) return 1
|
|
|
|
function appendToOutfile(bytes) {
|
|
filesystem.open("A", outfilename, "A")
|
|
filesystem.writeBytes("A", bytes)
|
|
}
|
|
|
|
function appendToOutfilePtr(ptr, len) {
|
|
filesystem.open("A", outfilename, "A")
|
|
dma.ramToCom(ptr, 0, len)
|
|
}
|
|
|
|
// write header to the file
|
|
let headerBytes = [
|
|
0x1F, 0x54, 0x53, 0x56, 0x4D, 0x4D, 0x4F, 0x56, // magic
|
|
WIDTH & 255, (WIDTH >> 8) & 255, // width
|
|
HEIGHT & 255, (HEIGHT >> 8) & 255, // height
|
|
FPS & 255, (FPS >> 8) & 255, // FPS
|
|
TOTAL_FRAMES & 255, (TOTAL_FRAMES >> 8) & 255, (TOTAL_FRAMES >> 16) & 255, (TOTAL_FRAMES >> 24) & 255, // frame count
|
|
0x04, 0x00, // type 4 frames (force no-alpha)
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 // reserved
|
|
]
|
|
|
|
filesystem.open("A", outfilename, "W")
|
|
filesystem.writeBytes("A", headerBytes)
|
|
|
|
for (let f = 1; f <= TOTAL_FRAMES; f++) {
|
|
let fname = PATHFUN(f)
|
|
filesystem.open("A", fname, "R")
|
|
let fileLen = filesystem.getFileLen("A")
|
|
dma.comToRam(0, 0, infile, fileLen)
|
|
|
|
let [_1, _2, channels, _3] = graphics.decodeImageTo(infile, fileLen, imagearea)
|
|
|
|
print(`Frame ${f}/${TOTAL_FRAMES} (Ch: ${channels}) ->`)
|
|
|
|
// graphics.imageToDisplayableFormat(imagearea, decodearea, 560, 448, 3, 1)
|
|
graphics.encodeIpf1(imagearea, ipfarea, WIDTH, HEIGHT, channels, false, f)
|
|
|
|
let gzlen = gzip.compFromTo(ipfarea, FBUF_SIZE, gzippedImage)
|
|
|
|
let frameSize = [
|
|
(gzlen >>> 0) & 255,
|
|
(gzlen >>> 8) & 255,
|
|
(gzlen >>> 16) & 255,
|
|
(gzlen >>> 24) & 255
|
|
]
|
|
|
|
appendToOutfile(frameSize)
|
|
appendToOutfilePtr(gzippedImage, gzlen)
|
|
|
|
print(` ${gzlen} bytes\n`)
|
|
}
|
|
|
|
sys.free(infile)
|
|
sys.free(imagearea)
|
|
sys.free(decodearea)
|
|
sys.free(ipfarea)
|
|
sys.free(gzippedImage) |