lurunlan的专栏

Current Android devices can have two or more cameras in the front, in the back, or both. That can be a lot of lenses to choose from. Note:This page usescamera2classes. We recommend using theCameraX Jetpack libraryexcept when your use case requires ac...

A single Android device can have multiple cameras. Each camera is aCameraDevice, and aCameraDevicecan output more than one stream simultaneously. Note:This page usescamera2classes. We recommend using theCameraX Jetpack libraryexcept when your use ...

1.为什么camera2用request概念来替换掉之前API1下surface+parameter方式？ camera request里面包含两个概念一个是surface,一个是settings,一个request对应到一帧，这样一旦ap层在设定setting时，会实时的作用到这帧上，而相对于之前parameter的方式来实现就无法做到实时作用到这帧，此时作用的AEorAF可能会因为mw延迟而延迟。 2.关于camera format问题，如果ap层要拿到opaque或者raw10图，拿不到，这个不仅

一、PreviewSize 相机预览时的尺寸，不能随意的设置值。只能通过camera的parameters的getSupportedPreviewSizes 方法，获取支持的预览尺寸列表，并从列表中选择一个设置在parameters中。 // 打印所有支持的预览分辨率 camera = Camera.open(Camera.CameraInfo.CAMERA_FACING_BACK); p