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fix:playmov not freeing memory

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minjaesong
2023-01-03 00:56:51 +09:00
parent e0d1948bfc
commit 96b49c7623
3 changed files with 67 additions and 29 deletions
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78
assets/disk0/tvdos/bin/playmov.js
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@@ -1,14 +1,16 @@
let filename = exec_args[1]
const FBUF_SIZE = 560*448
const MAGIC = [0x1F, 0x54, 0x53, 0x56, 0x4D, 0x4D, 0x4F, 0x56]
const port = _TVDOS.DRV.FS.SERIAL._toPorts("A")[0]
println("Reading...")
const fullFilePath = _G.shell.resolvePathInput(exec_args[1])
const FILE_LENGTH = files.open(fullFilePath.full).size
serial.println(`Reading ${FILE_LENGTH} bytes...`)
com.sendMessage(port, "DEVRST\x17")
com.sendMessage(port, `OPENR"${filename}",1`)
com.sendMessage(port, `OPENR"${fullFilePath.string}",1`)
let statusCode = com.getStatusCode(port)
if (statusCode != 0) {
@@ -133,31 +135,32 @@ let fps = readShort(); if (fps == 0) fps = 9999
let frameTime = 1.0 / fps
let frameCount = readInt() % 16777216
let type = readShort()
let globalType = readShort()
sys.free(readBytes(12)) // skip 12 bytes
let akku = frameTime
let framesRendered = 0
//serial.println(readCount) // must say 18
//serial.println(`Dim: (${width}x${height}), FPS: ${fps}, Frames: ${frameCount}`)
if (type != 4 && type != 5 && type != 260 && type != 261) {
/*if (type != 4 && type != 5 && type != 260 && type != 261) {
printerrln("Not an iPF mov")
return 1
}*/
if (globalType != 255) {
printerrln(`Unsupported MOV type (${globalType})`)
return 1
}
let ipfbuf = sys.malloc(FBUF_SIZE)
graphics.setGraphicsMode(4)
let fb1 = sys.malloc(FBUF_SIZE)
let fb2 = sys.malloc(FBUF_SIZE)
let startTime = sys.nanoTime()
let decodefun = (type > 255) ? graphics.decodeIpf2 : graphics.decodeIpf1
let framesRead = 0
let breakReadLoop = false
while (framesRendered < frameCount && !breakReadLoop) {
renderLoop:
while (framesRendered < frameCount && readCount < FILE_LENGTH) {
let t1 = sys.nanoTime()
if (akku >= frameTime) {
@@ -167,29 +170,50 @@ while (framesRendered < frameCount && !breakReadLoop) {
akku -= frameTime
frameUnit += 1
}
//frameUnit += 1 // forse set FPS to 9999, comment above WHILE loop and uncomment this line to perform benchmark...?
if (frameUnit != 0) {
// skip frames if necessary
while (frameUnit >= 1) {
let payloadLen = readInt()
while (frameUnit >= 1 && readCount < FILE_LENGTH) {
if (framesRead >= frameCount) {
breakReadLoop = true
break
let packetType = readShort()
// sync packets
if (65535 == packetType) {
frameUnit -= 1
}
// video packets
else if (packetType < 2047) {
// iPF
if (packetType == 4 || packetType == 5 || packetType == 260 || packetType == 261) {
let decodefun = (packetType > 255) ? graphics.decodeIpf2 : graphics.decodeIpf1
let payloadLen = readInt()
framesRead += 1
let gzippedPtr = readBytes(payloadLen)
framesRendered += 1
if (framesRead >= frameCount) {
break renderLoop
}
if (frameUnit == 1) {
gzip.decompFromTo(gzippedPtr, payloadLen, ipfbuf) // should return FBUF_SIZE
decodefun(ipfbuf, -1048577, -1310721, width, height, (type & 255) == 5)
framesRead += 1
let gzippedPtr = readBytes(payloadLen)
framesRendered += 1
if (frameUnit == 1) {
gzip.decompFromTo(gzippedPtr, payloadLen, ipfbuf) // should return FBUF_SIZE
decodefun(ipfbuf, -1048577, -1310721, width, height, (packetType & 255) == 5)
}
sys.free(gzippedPtr)
}
else {
throw Error(`Unknown Video Packet with type ${packetType} at offset ${readCount - 2}`)
}
}
// audio packets
else if (4096 <= packetType && packetType <= 6133) {
TODO(`Audio Packet with type ${packetType} at offset ${readCount - 2}`)
}
else {
TODO(`Unknown Packet with type ${packetType} at offset ${readCount - 2}`)
}
sys.free(gzippedPtr)
frameUnit -= 1
}
}
else {