I am trying to capture an image during a live preview from the camera, by AVFoundation captureStillImageAsynchronouslyFromConnection. So far the program wor开发者_StackOverflowks as expected. However,
I know that with Camera.open() and getParameter to check focus mode will work. But it seems open the camera will have a little bit o开发者_Python百科f sound,which I don\'t want to ...
I want to use the onPreviewFrame to post-process the ima开发者_高级运维ge before displaying it to the user (i.e. apply a color tint, sepia, etc).As I understand, the byte[] data returned to the callba
I want to put a background image first, and then put a small camera preview view on the top of it. When user clicked the ok button, a screenshot of the whole merged picture could be reproduced. I re
I\'m using the Camera class to take a picture and want to do some processing on the image inside onPict开发者_如何转开发ureTaken.How can I interpret the byte array?Is it in RGB format or something els
I have built a face detection app where I get the frames from onPreviewFrame, do the face detection and then draw a circle on a canvas above my surfaceView. The problem is frames are automatically dis
for some reason the same code I used to access the camera and photo album that used to work with previous iOS is not working. Whenever I open the camera application or the photo album the app crashes,
Given a live captured image (say, on an iPhone), how to开发者_如何学Go calculate the require exposure time value programmatically based on the apertures, ISOs? Thanks!The amount of captured light is p
I would like to have a feature in my app that -lets you take a picture of yourself or other that has开发者_开发知识库 a fame eg \"Wanted:\" overlaid on it.
I am using the UIImagePickerController with an overlay view so I can have some custom controls.I notice that when the user clicks the \"Capture\" button and I call [imagePicker takePicture], the shutt