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fix double freeing

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minjaesong
2026-06-08 01:38:13 +09:00
parent c17f4828b0
commit e32f7565ba
1 changed files with 13 additions and 5 deletions
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18
assets/disk0/tvdos/include/mediadec_tav.mjs
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@@ -182,11 +182,19 @@ function create(magic, sr, fileLength, opts, common, isTap) {
function rotateFields() { let t = prevField; prevField = curField; curField = nextField; nextField = t }
function cleanupAsyncDecode() {
if (asyncDecodeInProgress && asyncDecodePtr) { sys.free(asyncDecodePtr); asyncDecodeInProgress = false; asyncDecodePtr = 0; asyncDecodeGopSize = 0 }
if (readyGopData && readyGopData.compressedPtr) { sys.free(readyGopData.compressedPtr); readyGopData.compressedPtr = 0 }
readyGopData = null
if (decodingGopData && decodingGopData.compressedPtr) { sys.free(decodingGopData.compressedPtr); decodingGopData.compressedPtr = 0 }
decodingGopData = null
// asyncDecodePtr ALIASES readyGopData.compressedPtr / decodingGopData.compressedPtr:
// startAsyncGop records the same compressedPtr in both the asyncDecodePtr tracker and
// the GOP record (handleGopPacket cases + overflow drain). The normal free paths know
// this (free via one var, zero the other); a blind free of all three here double-frees
// and sys.free throws "No allocation for pointer", aborting close() before it frees the
// RGB frame buffers (leaking two width*height*3 allocations). Free each pointer once.
let freed = {}
function freeOnce(p) { if (p && !freed[p]) { freed[p] = true; sys.free(p) } }
if (asyncDecodeInProgress) freeOnce(asyncDecodePtr)
if (readyGopData) freeOnce(readyGopData.compressedPtr)
if (decodingGopData) freeOnce(decodingGopData.compressedPtr)
asyncDecodeInProgress = false; asyncDecodePtr = 0; asyncDecodeGopSize = 0
readyGopData = null; decodingGopData = null
if (predecodedPcmBuffer !== null) { sys.free(predecodedPcmBuffer); predecodedPcmBuffer = null; predecodedPcmSize = 0; predecodedPcmOffset = 0 }
currentGopSize = 0; currentGopFrameIndex = 0; nextFrameTime = 0; shouldReadPackets = true
}