feat: 优化 ffmpeg 安装脚本

install_dependencies.sh

@@ -6,22 +6,39 @@
 # 判断系统架构
 arch=$(uname -m)
 
-pkg="none"
-if [[ "${arch}" == "x86_64" ]]; then
-	pkg=ffmpeg-master-latest-linux64-gpl
-elif [[ "${arch}" == "arm64" ]]; then
-	pkg=ffmpeg-master-latest-linuxarm64-gpl
-fi
+# 输出架构信息
+echo "当前系统架构是：$arch"
 
-if [[ "${pkg}" != "none" ]]; then
+install_from_build() {
+	pkg=$1
 	wget https://github.com/yt-dlp/FFmpeg-Builds/releases/download/latest/$pkg.tar.xz
 	tar -xvJf $pkg.tar.xz
 	mv $pkg ffmpeg
-else
+}
+
+install_from_apt() {
 	apt-get update
 	apt-get install -y ffmpeg
 	rm -rf /var/lib/apt/lists/*
 	mkdir -p /app/ffmpeg/bin
 	ln -s /usr/bin/ffmpeg /app/ffmpeg/bin/ffmpeg
 	ln -s /usr/bin/ffprobe /app/ffmpeg/bin/ffprobe
-fi
+}
+
+# 基于架构执行不同的操作
+case "$arch" in
+x86_64)
+	echo "64位 x86 架构"
+	pkg=ffmpeg-master-latest-linux64-gpl
+	install_from_build "$pkg"
+	;;
+arm64 | aarch64)
+	echo "64位 ARM 架构"
+	pkg=ffmpeg-master-latest-linuxarm64-gpl
+	install_from_build "$pkg"
+	;;
+*)
+	echo "未知架构 $arch"
+	install_from_apt
+	;;
+esac