我想在CameraX中使用ImageAnalysis
,但要调整某些相机设置,例如自动对焦或自动白平衡,曝光和帧长。
这是我需要的设置以及如何使用Camera2进行设置的示例:
captureRequestBuilder.set(CaptureRequest.CONTROL_AE_MODE, CameraMetadata.CONTROL_AE_MODE_OFF)
captureRequestBuilder.set(CaptureRequest.CONTROL_AWB_MODE, CameraMetadata.CONTROL_AWB_MODE_OFF)
captureRequestBuilder.set(CaptureRequest.SENSOR_FRAME_DURATION, FRAME_DURATION_NS)
captureRequestBuilder.set(CaptureRequest.SENSOR_EXPOSURE_TIME, EXPOSURE_TIME_LIMIT_NS)
如何将其“翻译”为CameraX?
有Camera2InterOp用于自定义CaptureRequest参数。示例:
fun buildImageAnalysis() : ImageAnalysis {
val builder = ImageAnalysis.Builder()
val camera2InterOp = Camera2Interop.Extender(builder)
camera2InterOp.setCaptureRequestOption(CaptureRequest.CONTROL_AE_MODE, CameraMetadata.CONTROL_AE_MODE_OFF)
camera2InterOp.setCaptureRequestOption(CaptureRequest.CONTROL_AWB_MODE, CameraMetadata.CONTROL_AWB_MODE_OFF)
camera2InterOp.setCaptureRequestOption(CaptureRequest.SENSOR_FRAME_DURATION, FRAME_DURATION_NS);
camera2InterOp.setCaptureRequestOption(CaptureRequest.SENSOR_EXPOSURE_TIME, EXPOSURE_TIME_LIMIT_NS)
return builder.build()
}