Perhaps this will get you started, and on the correct path. From here, you can revisit Stackoverflow with specific questions about particular steps you take along the way.
I suspect Subramanian has already found their solution. I'm curious what he or she found to do to accomplish this engineering feat????
Recently (2011): Openfire chat with its various software plugins & clients are the best open source solution. Voice and Video chat are handled almost entirely directly via a peer-to-peer connection. The server is only required to "point" client IPs as they traverse to find each other. Read about STUN & TURN servers. This is also how the iPhone "Facetime" video chat works. It's a complicated seteup and some pretty rough C++ libraries.
Voice and Video chat remain right at the edge of Open Source availability. You can get there today (FALL 2012) but it takes a good deal of skill to understand and wire-up all that is required. Every day it will get easier however and someday soon it will be simple RPMs (& .DEB:) installations.
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也许这会让您开始并走上正确的道路。 从这里，您可以重新访问 Stackoverflow，并提出有关您在此过程中采取的特定步骤的具体问题。
Adobe.com » 创建视频聊天：您的第一个 Macromedia Flash 通信服务器MX 应用程序回溯：创建视频聊天：您的第一个 Macromedia Flash Communication Server MX 应用程序
Perhaps this will get you started, and on the correct path. From here, you can revisit Stackoverflow with specific questions about particular steps you take along the way.
Adobe.com » Creating a Video Chat: Your First Macromedia Flash Communication Server MX ApplicationWayback: Creating a Video Chat: Your First Macromedia Flash Communication Server MX Application
我怀疑萨勃拉曼尼亚已经找到了解决方案。 我很好奇他或她发现如何完成这项工程壮举？？？
最近（2011）：Openfire 与其各种软件插件和聊天工具 客户端是最好的开源解决方案。 语音和视频聊天几乎完全直接通过点对点连接进行处理。 服务器只需要在客户端遍历查找对方时“指向”客户端 IP。 了解 STUN 和 STUN 转动服务器。 这也是iPhone“Facetime”视频聊天的工作原理。 这是一个复杂的设置和一些相当粗糙的 C++ 库。
语音和视频聊天仍然处于开源可用性的边缘。 今天（2012 年秋季）您就可以实现这一目标，但需要大量的技能来理解和连接所有所需的内容。 然而，每一天它都会变得更容易，很快有一天，它将成为简单的 RPM (& .DEB:) 安装。
I suspect Subramanian has already found their solution. I'm curious what he or she found to do to accomplish this engineering feat????
Recently (2011): Openfire chat with its various software plugins & clients are the best open source solution. Voice and Video chat are handled almost entirely directly via a peer-to-peer connection. The server is only required to "point" client IPs as they traverse to find each other. Read about STUN & TURN servers. This is also how the iPhone "Facetime" video chat works. It's a complicated seteup and some pretty rough C++ libraries.
Voice and Video chat remain right at the edge of Open Source availability. You can get there today (FALL 2012) but it takes a good deal of skill to understand and wire-up all that is required. Every day it will get easier however and someday soon it will be simple RPMs (& .DEB:) installations.
我相信视频聊天需要在主机环境中使用某种流媒体服务器，不认为您可以单独使用 PHP 来做到这一点。
寻找一些视频流服务器软件可能更有用。
希望这对您的搜索有所帮助？
I believe that videochat requires some sort of streaming server in the host-environment, dont think you can do that with PHP alone.
It might be more usefull to look for some videostreaming server software.
Hope this helps you on in your search?