摆脱云存储绑架：用自建 NVR 掌控家里的每一路摄像头

// ESP32 Micro-RTSP 最小示例
// 依赖：https://github.com/geeksville/Micro-RTSP
#include "OV2640.h"
#include "MicroRTSPServer.h"

OV2640 cam;
RTSPServer rtspServer(8554); // RTSP 端口

void setup() {
    cam.init(esp32cam_aio_config); // 根据你的板子选配置
    rtspServer.begin(&cam);
}

void loop() {
    rtspServer.handleClient(); // 处理 RTSP 客户端请求
}

ffplay rtsp://192.168.1.105:8554/mjpeg/1

# 树莓派 Bookworm 系统，使用 libcamera 采集 + FFmpeg 推 RTSP
libcamera-vid -t 0 --codec mjpeg --width 1280 --height 720 \
  --framerate 15 --output - | \
ffmpeg -re -i - -c:v copy -f rtsp \
  rtsp://0.0.0.0:8554/rpi_cam

# 单路摄像头持续录制，每段 15 分钟，按时间命名
ffmpeg -rtsp_transport tcp -i "rtsp://192.168.1.105:8554/mjpeg/1" \
  -c:v copy -f segment -segment_time 900 \
  -segment_format mp4 \
  -strftime 1 \
  "/mnt/nvr/esp32_cam/%Y%m%d_%H%M%S.mp4"

# /etc/systemd/system/nvr-esp32.service
[Unit]
Description=NVR Record - ESP32 Cam
After=network.target

[Service]
Type=simple
ExecStart=/usr/bin/ffmpeg -rtsp_transport tcp -i "rtsp://192.168.1.105:8554/mjpeg/1" -c:v copy -f segment -segment_time 900 -segment_format mp4 -strftime 1 "/mnt/nvr/esp32_cam/%Y%m%d_%H%M%S.mp4"
Restart=always
RestartSec=10

[Install]
WantedBy=multi-user.target

sudo systemctl enable nvr-esp32
sudo systemctl start nvr-esp32

#!/usr/bin/env python3
"""mini_nvr.py — 最简 NVR：拉流录制 + 自动清理旧文件"""

import subprocess, time, os, threading, schedule
from pathlib import Path
from datetime import datetime

# ── 配置 ──────────────────────────────────────────
CAMERAS = {
    "esp32_door":  "rtsp://192.168.1.105:8554/mjpeg/1",
    "rpi_garden":  "rtsp://192.168.1.110:8554/rpi_cam",
    "xiaomi_living": "rtsp://192.168.1.120:8554/live",
}
STORE_ROOT = Path("/mnt/nvr")
SEGMENT_SEC = 900          # 15 分钟一段
KEEP_DAYS   = 7            # 保留最近 7 天
FFMPEG      = "ffmpeg"

# ── 单路录制进程 ────────────────────────────────────
def record_stream(name: str, url: str):
    out_dir = STORE_ROOT / name
    out_dir.mkdir(parents=True, exist_ok=True)
    cmd = [
        FFMPEG, "-rtsp_transport", "tcp",
        "-i", url,
        "-c:v", "copy",
        "-f", "segment",
        "-segment_time", str(SEGMENT_SEC),
        "-segment_format", "mp4",
        "-strftime", "1",
        "-reset_timestamps", "1",
        str(out_dir / "%Y%m%d_%H%M%S.mp4"),
    ]
    while True:
        print(f"[{name}] 启动录制: {url}")
        proc = subprocess.Popen(cmd, stderr=subprocess.PIPE)
        proc.wait()
        print(f"[{name}] 进程退出 (code={proc.returncode}), 10秒后重启")
        time.sleep(10)

# ── 存储清理 ────────────────────────────────────────
def purge_old_files():
    cutoff = datetime.now().timestamp() - KEEP_DAYS * 86400
    for cam_dir in STORE_ROOT.iterdir():
        if not cam_dir.is_dir():
            continue
        for f in cam_dir.glob("*.mp4"):
            # 从文件名解析时间: 20240315_093000.mp4
            try:
                ts = datetime.strptime(f.stem, "%Y%m%d_%H%M%S").timestamp()
                if ts < cutoff:
                    f.unlink()
                    print(f"[清理] 删除 {f}")
            except ValueError:
                pass

# ── 主入口 ──────────────────────────────────────────
def main():
    # 为每路摄像头启动录制线程
    for name, url in CAMERAS.items():
        t = threading.Thread(target=record_stream, args=(name, url), daemon=True)
        t.start()

    # 每天凌晨 3 点清理旧文件
    schedule.every().day.at("03:00").do(purge_old_files)
    print("NVR 已启动，Ctrl+C 退出")
    while True:
        schedule.run_pending()
        time.sleep(60)

if __name__ == "__main__":
    main()

# 安装依赖
pip install schedule

# 前台运行（测试）
python3 mini_nvr.py

# 后台运行（生产）
nohup python3 mini_nvr.py >> /var/log/nvr.log 2>&1 &