fix: 修复并发解码竞态——先标记再解码,失败时移除标记
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decodeAroundPosition 和初始化循环中,将 decodedSegmentsRef.add() 移到
await decodeSegment() 之前(先标记防重入),catch 中 delete() 移除标记
(允许失败后重试)。解决渲染循环中解码未完成时下一帧重复发起解码的竞态。

Closes: #1437
This commit is contained in:
xiaoxia
2026-08-20 11:05:53 +08:00
parent 632c3043bc
commit 8b53c4a130
@@ -567,11 +567,13 @@ export function useCanvasPlayer(
const meta = metas[i]
const buffer = segmentDataRef.current.get(meta.assetId)
if (!buffer) continue
// 先标记为解码中,防止下一帧重复发起解码
decodedSegmentsRef.current.add(i)
try {
await decodeSegment(buffer, meta)
// 解码成功后才标记,失败时下次重试
decodedSegmentsRef.current.add(i)
} catch (e) {
// 解码失败则移除标记,允许后续重试
decodedSegmentsRef.current.delete(i)
console.warn(`[useCanvasPlayer] 按需解码片段 ${i} 失败:`, e)
}
}
@@ -860,11 +862,13 @@ export function useCanvasPlayer(
const meta = metas[i]
const buffer = segmentDataRef.current.get(meta.assetId)
if (!buffer) continue
// 先标记为解码中,防止重复解码
decodedSegmentsRef.current.add(i)
try {
await decodeSegment(buffer, meta)
// 解码成功后才标记,失败时不标记以便后续重试
decodedSegmentsRef.current.add(i)
} catch (e) {
// 解码失败则移除标记,允许后续重试
decodedSegmentsRef.current.delete(i)
console.warn(`[useCanvasPlayer] 初始化解码片段 ${i} 失败:`, e)
}
}