查看WWDC 2010中的示例代码 http://developer.apple.com/videos/wwdc/2010/ 例如AVCamDemo。

Check out the sample code from the WWDC 2010 http://developer.apple.com/videos/wwdc/2010/ for example the AVCamDemo.

登录您的iPhone开发者帐户（包含下载WWDC 2010会话视频的框r免费）然后你看到一个新的页面，你可以点击在iTunes中查看，然后在iTunes（！）中获得WWDC 2010示例源代码的链接...或者你可以尝试链接

Login to your iPhone developer account (the box with "Download WWDC 2010 Session Videos for Free") then you see a new page and there you can click on "View in iTunes" and then in iTunes(!) you get the link to the WWDC 2010 example source code... or you can try the link

http://connect.apple.com/cgi-bin/WebObjects/MemberSite.woa/wa/getSoftware?code=y&source=x&bundleID=20645

但要下载源代码，您还必须登录到您的开发者帐户。

but to download the source code you must also login to your developer account.