6.2

scripts/remux_hevc.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+# HEVC 主视角 MP4 转 H.264，供 VideoSwin 特征提取与 OpenCV 解码。
+# 用法:
+#   ./scripts/remux_hevc.sh /path/to/source.mp4 [output.mp4]
+# 未指定输出时写入 input/remuxed/<stem>_h264.mp4
+
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+SRC="${1:?用法: remux_hevc.sh <source.mp4> [output.mp4]}"
+STEM="$(basename "${SRC%.*}")"
+OUT="${2:-${ROOT}/input/remuxed/${STEM}_h264.mp4}"
+
+mkdir -p "$(dirname "$OUT")"
+echo "[remux] ${SRC} -> ${OUT}"
+ffmpeg -y -i "$SRC" -c:v libx264 -preset ultrafast -crf 23 -an "$OUT"
+echo "[done] ${OUT}"