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Drawing on Top of the Video Preview
Episode
#297
|
14 minutes
| published on
August 11, 2017
| Uses Xcode-9.0-beta3, swift-4
Subscribers Only
We learn how to convert a CMSampleBuffer into a CIImage and how to set up our CIDetector to detect rectangles. We then draw a box around the detected rectangle and discuss why adding simple subviews won't work with full screen sublayers.
This episode is part of a series: Camera Capture and Detection.
| 1. Intro 1 min |
| 2. Setting Up The Project 9 min |
| 3. Camera Preview and Sample Buffer 10 min |
| 4. Drawing on Top of the Video Preview 14 min |
| 5. Fixing the Coordinates 7 min |
| 6. Perspective Outlining 9 min |
| 7. Camera Sounds and UI 12 min |
| 8. Rendering the Final Image 15 min |
| 9. Capturing High Resolution Photos 17 min |
| 10. Adding a Flash Toggle Camera Control 12 min |
This recording was accidentally cut short by a few seconds. The next episode picks up very shortly after this one ends. Apologies for the error! - Ben
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