首次提交

scripts/set_ffmpeg.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+# 一键切换项目 bin/ffmpeg 的版本(本机自用 cpu / 打 GPU 包 gpu)
+#   bash temp/set_ffmpeg.sh cpu   # johnvansickle 全静态，任何 glibc 都能跑(本机自用)
+#   bash temp/set_ffmpeg.sh gpu   # BtbN 含 cuda/nvdec，需 glibc>=2.28(给 GPU 机器)
+set -euo pipefail
+cd "$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"   # 项目根
+V="${1:-cpu}"
+BIN="$(pwd)/bin"; mkdir -p "$BIN"
+have(){ command -v "$1" >/dev/null 2>&1; }
+
+case "$V" in
+  cpu) URL="https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-amd64-static.tar.xz" ;;
+  gpu) URL="https://github.com/BtbN/FFmpeg-Builds/releases/download/latest/ffmpeg-master-latest-linux64-gpl.tar.xz" ;;
+  *) echo "用法: bash temp/set_ffmpeg.sh [cpu|gpu]"; exit 1 ;;
+esac
+
+echo "下载 $V 版 ffmpeg ..."
+tmp="$(mktemp -d)"
+if have curl; then curl -L "$URL" -o "$tmp/ff.tar.xz"; else wget -O "$tmp/ff.tar.xz" "$URL"; fi
+tar xf "$tmp/ff.tar.xz" -C "$tmp"
+ffb="$(find "$tmp" -type f -name ffmpeg | head -1)"
+ffp="$(find "$tmp" -type f -name ffprobe | head -1)"
+cp "$ffb" "$ffp" "$BIN/"
+chmod +x "$BIN/ffmpeg" "$BIN/ffprobe"
+rm -rf "$tmp"
+echo "已切到 $V 版: $("$BIN/ffmpeg" -version 2>&1 | head -1 || echo '本机跑不了(若是 gpu 版+老 glibc，正常)')"