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使用 Cling 实现了 DMS DMC 功能的投屏应用

#简介

本项目使用 4thline/cling 库实现投屏功能，其中实现了DMS及DMC功能， 测试是通过智能电视和盒子设备，包括手机端安装 AirPin 软件进行测试

#实现功能

  • 浏览本地资源投屏播放
  • 请求网络资源，投屏播放网络视频
  • 控制投屏设备，静音，拖动，播放，暂停等
  • 根据投屏设备播放状态，同步更新本地设备播放状态，包括进度音量等

#遇到的问题及解决

  • 首先是在刚开始用另一台手机安装 AirPin 测试的，测试设置音量和视频的拖动进度不可用投屏设备无效， 后来在真正的智能电视和盒子上测试有效，这个应该是因为手机设备本身不支持导致
  • 后来在只能电视和盒子上测试时发现BaseSubscriptionCallback这个回调部分支持的并不全， 比如在 AirPin 上测试回调会有当前播放进度，当前音量和静音状态，这个在电视和盒子上是都不会回调的， 所以这里为了兼容实现，这里做了调整，改为手动去开定时器去获取当前播放进度和声音状态
  • 现在又遇到一个新的问题，就是在小米盒子上，获取到的声音永远是 0，这个暂时还没找到解决方案

#参考&感谢

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