From 8607078b9bdc3346aaaef78dd30e182548c0f407 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=89=B4=E5=BD=B1=20ICE-GL-CA001?= <565183519@qq.com>
Date: Tue, 7 Jul 2026 18:46:08 +0800
Subject: [PATCH] =?UTF-8?q?ICE-GL-ZY001=20=C2=B7=20EXP-D171-008=20=C2=B7?=
 =?UTF-8?q?=20concat=E9=93=81=E5=BE=8B=C2=B7=E7=BB=9F=E4=B8=80mpeg4?=
 =?UTF-8?q?=E7=BC=96=E7=A0=81=E5=90=8E=E5=86=8D=E6=8B=BC=E6=8E=A5?=
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---
 experience/CA-EXP-D171.hdlp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/experience/CA-EXP-D171.hdlp b/experience/CA-EXP-D171.hdlp
index 73e06c4..a332f6e 100644
--- a/experience/CA-EXP-D171.hdlp
+++ b/experience/CA-EXP-D171.hdlp
@@ -42,3 +42,9 @@
 - python: /c/Users/rtyyr/.workbuddy/binaries/python/versions/3.13.12/python.exe
 - ffmpeg: D:\GAME\WeGameApps\英雄联盟\Cross\icreate\recorder-release\ffmpeg.exe
 - bash下用.exe全路径，subprocess用列表不用shell=True
+
+## EXP-D171-008: concat铁律（吃了两次亏！）
+- ❌ -c copy拼接不同来源的流 → 12秒后崩溃
+- ❌ libx264编码器不存在于当前FFmpeg版本
+- ✅ 用 mpeg4 + MP3 统一重编码所有镜，再concat -c copy
+- ✅ 验证: 所有14镜统一 -c:v mpeg4 -q:v 5 -c:a mp3 -b:a 128k