From df4de37f737a22a0f73da647b60f7cc9b4f92fd9 Mon Sep 17 00:00:00 2001
From: xiaoxia <xiaoxia@xiaoxiajianji.com>
Date: Fri, 21 Aug 2026 21:11:08 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20MAX=5FINIT=5FFRAMES=20500=20=E2=86=92=20?=
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init 阶段解码 894 帧导致 getCurrentFrame 遍历过多帧，播放抖动。
改为每片段只解 60 帧（≈2s），播放时由 decodeAroundPosition 按需续解。
---
 apps/web/src/pages/generate/hooks/useCanvasPlayer.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/web/src/pages/generate/hooks/useCanvasPlayer.ts b/apps/web/src/pages/generate/hooks/useCanvasPlayer.ts
index 1c6889240..de2448fce 100644
--- a/apps/web/src/pages/generate/hooks/useCanvasPlayer.ts
+++ b/apps/web/src/pages/generate/hooks/useCanvasPlayer.ts
@@ -10,7 +10,7 @@ import type { Movie, Sample } from "mp4box"
 
 // ── 常量 ──
 /** 初始化预解码最大帧数（约 2 秒 @30fps），后续帧通过 decodeAroundPosition 按需解码 */
-const MAX_INIT_FRAMES = 500
+const MAX_INIT_FRAMES = 60
 
 /**
  * 规范化 mp4box 提取的 codec 字符串为 WebCodecs 兼容格式