Recent questions tagged Camera

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camera - Can I change the LED intensity of an Android device?

Is there a way to set the LED intensity that I desire? I know that to turn on the LED I use: p. ... light or to reduce the light intensity? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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camera - Android save view to jpg or png

I would like to write an android app that basically layers an overlay on image on another image and then I would ... catch block e.printStackTrace(); } } } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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786 views

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camera - ffmpeg rtsp record segment and folder-file name

I am trying to record an rtsp stream comming from an ip camera. The record with simplified format will start ... /questions/65880080/ffmpeg-rtsp-record-segment-and-folder-file-name...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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545 views

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camera - what are 'Detection' and 'Reading' percentages in vehicle speed detection systems?

I am completely new to vehicle speed detection systems and I faced with these 2 terms: 'Detection' and ... -are-detection-and-reading-percentages-in-vehicle-speed-detection-system...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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2.8k views

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camera - Flutter: Unhandled Exception: FileSystemException: Creation failed, path = 'Directory: '' (OS Error: Read-only file system, errno = 30)

I already googling and the solution that I found are using path_provider, add permission in AndroidManifest. ... #13 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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683 views

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camera - v4l2 manual exposure not working compared to Windows 10

This question is very similar to V4L2 absolute exposure setting has (almost) not effect I have a UVC compliant camera ... a driver issue or some setting that I am overlooking?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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919 views

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camera - How can I disable device motion and device orientation?

I have this 3D scene running on my website: https://immersify.co.uk/games/the-floor-is-lava But I do not ... to disable the UI but I want to disable the functionality altogether....

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

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701 views

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camera - java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=100, result=0, data=null} to activity

public void chooseFromCamera() { Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); intent.setFlags(Intent. ... ("", "LBL_ERROR_OCCURED")); return; }...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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