我想将同步媒体流式传输到多个设备（也称为多房间音频），类似于 Sonos 或 AirPlay 的操作。我认为使用 RTP 多播可以很容易地做到这一点，因为您只需要使用 VLC（或 GStreamer/ffmpeg/等服务器）设置一个所有客户端都可以连接的多播流。这似乎在以太网上运行良好，但在 WiFi 上会出现问题（显然是由于大多数路由器上多播数据包的带宽分配较低）。
此处描述的同步 VLC 流媒体设置是一个很好的解决方案，但仅适用于早期版本VLC (0.8.6b) 的。
还有其他通过 WiFi 同步媒体流的选项吗？
I want to stream synchronized media to multiple devices (also called multi-room audio), similar to what is done with Sonos or AirPlay. I figured this would be easy to do using RTP multicast, as you only need to set up one multicast stream using VLC (or a GStreamer/ffmpeg/etc. server) to which all clients can connect. This seems to work fine over ethernet, but causes problems over WiFi (apparently due to low bandwidth allocation for multicast packets on most routers).
A syncronized VLC streaming setup described here is a good solution, but only works with an earlier version of VLC (0.8.6b).
Are there any other options for synchronized media streaming over WiFi?
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几个月后，我终于对自己的问题有了答案。
最好的解决方案似乎是使用 Logitech Media Server（又名 SqueezeCenter）作为流媒体服务器和 Logitech Squeezeboxes（硬件解决方案）和/或 SqueezePlay（适用于 Mac/Win/Linux 的软件解决方案）用于媒体播放。 SqueezePlay 和媒体服务器是免费的，Squeezebox 的价格约为 140 欧元/180 美元。您还可以使用 Android/iOS 上的 Squeezebox 应用程序作为控制器。
我已经测试了连接到媒体服务器的两个 Squeezebox 和一个 SqueezePlay 实例 (Mac) 之间的同步 （Linux）并且它运行没有问题。 此处解释了流媒体协议以及如何执行同步。
如果您想以编程方式控制设备，可以使用 Logitech SqueezeCenter Telnet CLI（请参阅 Logitech Media Server 上的“帮助”>“技术信息”>“命令行界面”）以及 CLI 的 Python 包装器。
A few months later, and I finally have an answer to my own question.
The best solution seems to be to use Logitech Media Server (aka SqueezeCenter) as a streaming server and Logitech Squeezeboxes (HW solution) and/or SqueezePlay (SW solution for Mac/Win/Linux) for media playback. SqueezePlay and Media Server are free and a Squeezebox is around €140/$180. You can also use the Squeezebox apps on Android/iOS as controllers.
I have tested synchronization between two Squeezeboxes and one SqueezePlay instance (Mac) connected to a Media Server (Linux) and it worked without problems. The streaming protocol and how synchronization is performed is explained here.
If you want to programmatically control the devices, there is a Logitech SqueezeCenter Telnet CLI (see Help > Technical Information > Command Line Interface on the Logitech Media Server), as well as a Python wrapper for the CLI.