Okay. I've done a crazy amount of research on this the last day, and here is the current state of affairs as I've found:
WebRTC is a free, open project that provides web browsers with Real-Time Communications (RTC) capabilities via simple Javascript APIs. At the moment, it is supported only by Chrome, and the latest development versions of Firefox and Opera. This is due to change soon, as all three those browser manufacturers are canvasing the W3C to include WebRTC into the HTML5 spec. So if we're lucky, we'll have cross-browser built-in webcam functionality within a year or two.
Until then, Flash is the only other cross-browser option. There are quite a few projects that allow for this, but here are some of the best: OpenTok, Nimbb, and jRecorder and jQuery webcam if you need only sound or only video, respectively. The latter can only save still images, so you can try using it for video, but it's not recommended.
As for cross-platform open-source desktop-apps, I have still not been able to find any. Still hoping someone can help in that regard!
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好的。昨天我对此进行了大量研究，这是我发现的当前状况：
WebRTC 是一个免费、开放的项目，它通过简单的 Javascript API 为 Web 浏览器提供实时通信 (RTC) 功能。目前，仅 Chrome 以及 Firefox 和 Opera 的最新开发版本支持它。这种情况很快就会发生变化，因为这三个浏览器制造商都在与 W3C 协商，将 WebRTC 纳入 HTML5 规范。因此，如果幸运的话，我们将在一两年内拥有跨浏览器的内置网络摄像头功能。
在那之前，Flash 是唯一的其他跨浏览器选项。有相当多的项目允许这样做，但这里有一些最好的项目：OpenTok，Nimbb 和 jRecorder和<一个href="http://www.xarg.org/project/jquery-webcam-plugin/" rel="nofollow">jQuery 网络摄像头（如果您分别只需要声音或视频）。后者只能保存静态图像，因此您可以尝试将其用于视频，但不推荐。
至于跨平台的开源桌面应用程序，我还没有找到。还是希望有人能在这方面提供帮助！
Okay. I've done a crazy amount of research on this the last day, and here is the current state of affairs as I've found:
WebRTC is a free, open project that provides web browsers with Real-Time Communications (RTC) capabilities via simple Javascript APIs. At the moment, it is supported only by Chrome, and the latest development versions of Firefox and Opera. This is due to change soon, as all three those browser manufacturers are canvasing the W3C to include WebRTC into the HTML5 spec. So if we're lucky, we'll have cross-browser built-in webcam functionality within a year or two.
Until then, Flash is the only other cross-browser option. There are quite a few projects that allow for this, but here are some of the best: OpenTok, Nimbb, and jRecorder and jQuery webcam if you need only sound or only video, respectively. The latter can only save still images, so you can try using it for video, but it's not recommended.
As for cross-platform open-source desktop-apps, I have still not been able to find any. Still hoping someone can help in that regard!