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概述

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dlnaSpeaker可以模拟成一个DMR设备,让局域网内的设备通过UPnP协议自动发现。

背景

近期对单片机esp32、esp8266 比较着迷。想把家里所有的电子设备都变成智能的设备。

家里面有一台傻瓜音箱(给电就运行的那种),试着想把它改成智能的,比如说:我要听歌曲的时候就自动打开电源,并播放手机里面的歌曲。

所以要实现这个场景要做到如下几点:

  • 自动打开电源: 则可以利用 Home Assistant自动化打开电源
  • 播放手机里面的歌曲: 可以利用DLNA这一功能。
  • 信息同步: 播放歌曲时自动打开电源。每当手机投屏时,利用webhook的机制调用Home Assistant将电源打开
  • 播放:使用mpv播放器,因此前提要安装好mpv播放器

实力雄厚的大佬可以忽略

感谢

Macast: DMR python的实现。参考了里面大部分功能

blang/mpv: mpv播放器Golang的轮子

部署

./dlnaSpeaker -h               
Usage of bin/dlnaSpeaker/dlnaSpeaker:
  -i string
        指定网卡 (default "wlo1")
  -n string
        指定音箱名字 (default "DLNA音箱")
  -p int
        指定端口 (default 4564)
  -web.hook string
        指定webhook地址
  -white.list string
        指定ip白名单,多个请用,隔开

systemd

workdir=/home/ycd/dlnaSpeaker
cmd=/home/ycd/dlnaSpeaker/dlnaSpeaker
eth=br0
whitelist=192.168.1.128
webhook=http://192.168.1.8:1880/turnSpeakers

cat >/etc/systemd/system/dlnaSpeaker.service<<EOF

[Unit]
Description=dlnaSpeaker
Documentation=https://github.com/YouCD/dlnaSpeaker
Wants=network-online.target
After=network-online.target

[Service]
WorkingDirectory=${workdir}
ExecStart=${cmd} -i ${eth} -web.hook ${webhook}  -white.list ${whitelist}
Restart=always
RestartSec=5
StartLimitInterval=0

[Install]
WantedBy=multi-user.target
EOF

示意图

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