's'

scripts/linux/upgrade_ffmpeg_newer.sh

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+#!/usr/bin/env bash
+# 将 ffmpeg 升级到含 -stats_period（约 4.4+），供 douyin_youtube_ffplay / robust_relay 使用。
+# Debian 11 默认 4.3.x：先试强制从 bullseye-backports 安装；仍不行则用 arm64 静态包到 /usr/local/bin。
+set -euo pipefail
+
+if [[ ${EUID:-0} -ne 0 ]]; then
+  exec sudo bash "$0" "$@"
+fi
+
+have_stats_period() {
+  command -v ffmpeg >/dev/null 2>&1 || return 1
+  # ffmpeg 把 -h full 打到 stderr，不能 2>/dev/null 否则永远匹配不到
+  ffmpeg -hide_banner -h full 2>&1 | grep -qE 'stats_period'
+}
+
+install_johnvansickle_arm64_static() {
+  local url="https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-arm64-static.tar.xz"
+  local td dir
+  td=$(mktemp -d)
+  trap 'rm -rf "$td"' EXIT
+  echo "[INFO] 下载 arm64 静态 ffmpeg（johnvansickle）…"
+  if command -v curl >/dev/null 2>&1; then
+    curl -fsSL -o "$td/ff.tar.xz" "$url"
+  elif command -v wget >/dev/null 2>&1; then
+    wget -q -O "$td/ff.tar.xz" "$url"
+  else
+    echo "需要 curl 或 wget" >&2
+    return 1
+  fi
+  tar -xJf "$td/ff.tar.xz" -C "$td"
+  dir=$(find "$td" -maxdepth 1 -type d -name 'ffmpeg-*-arm64-static' | head -1)
+  if [[ ! -d "$dir" ]]; then
+    echo "解压后未找到 ffmpeg-*-arm64-static" >&2
+    return 1
+  fi
+  install -m 0755 "$dir/ffmpeg" /usr/local/bin/ffmpeg
+  install -m 0755 "$dir/ffprobe" /usr/local/bin/ffprobe
+  hash -r
+  trap - EXIT
+  rm -rf "$td"
+  echo "[INFO] 已写入 /usr/local/bin/ffmpeg（PATH 中优先于 /usr/bin 时生效）"
+}
+
+if have_stats_period; then
+  echo "[OK] 当前 ffmpeg 已支持 -stats_period"
+  command -v ffmpeg
+  ffmpeg -version | head -1
+  exit 0
+fi
+
+if [[ ! -r /etc/os-release ]]; then
+  echo "无法读取 /etc/os-release" >&2
+  if [[ "$(uname -m)" == aarch64 ]]; then
+    install_johnvansickle_arm64_static || exit 1
+    have_stats_period && exit 0
+  fi
+  exit 1
+fi
+# shellcheck source=/dev/null
+. /etc/os-release
+
+case "${ID:-}" in
+  debian)
+    case "${VERSION_CODENAME:-}" in
+      bullseye)
+        BP=/etc/apt/sources.list.d/bullseye-backports.list
+        if ! grep -qE 'bullseye-backports' /etc/apt/sources.list /etc/apt/sources.list.d/*.list 2>/dev/null; then
+          echo "deb http://deb.debian.org/debian bullseye-backports main" >"$BP"
+        fi
+        apt-get update -qq
+        echo "[INFO] ffmpeg 可用版本（apt-cache madison，前几行）:"
+        apt-cache madison ffmpeg 2>/dev/null | head -12 || true
+        # 显式指定发行版，避免仍选中 bullseye 主源的 4.3.9
+        apt-get install -y ffmpeg/bullseye-backports || true
+        ;;
+      bookworm|trixie|sid)
+        apt-get update -qq
+        apt-get install -y ffmpeg
+        ;;
+      *)
+        echo "未内置规则的 Debian 代号: ${VERSION_CODENAME}" >&2
+        ;;
+    esac
+    ;;
+  ubuntu)
+    apt-get update -qq
+    apt-get install -y ffmpeg
+    ;;
+  *)
+    echo "发行版 ${ID:-unknown}：跳过 apt 规则" >&2
+    ;;
+esac
+
+if have_stats_period; then
+  echo "[OK] apt 升级后已支持 -stats_period"
+  command -v ffmpeg
+  ffmpeg -version | head -1
+  exit 0
+fi
+
+if [[ "$(uname -m)" == aarch64 ]]; then
+  echo "[WARN] apt 仍未提供带 -stats_period 的 ffmpeg，改用静态包" >&2
+  install_johnvansickle_arm64_static
+fi
+
+ffmpeg -version | head -1 || true
+if have_stats_period; then
+  echo "[OK] 当前 ffmpeg 已支持 -stats_period"
+  command -v ffmpeg
+  exit 0
+fi
+
+echo "[FATAL] 仍无法使用 -stats_period，请检查网络或手动安装 ffmpeg 4.4+（aarch64）" >&2
+exit 1