43 lines
1.2 KiB
Swift
43 lines
1.2 KiB
Swift
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//
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// ExampleSwiftFrameProcessor.swift
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// VisionCameraExample
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//
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// Created by Mateusz Medrek on 02/10/2023.
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//
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#if VISION_CAMERA_ENABLE_FRAME_PROCESSORS
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import VisionCamera
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// Example for a Swift Frame Processor plugin
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@objc(ExampleSwiftFrameProcessorPlugin)
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public class ExampleSwiftFrameProcessorPlugin: FrameProcessorPlugin {
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public override func callback(_ frame: Frame, withArguments arguments: [AnyHashable: Any]?) -> Any? {
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let imageBuffer = CMSampleBufferGetImageBuffer(frame.buffer)
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if let arguments, let imageBuffer {
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let width = CVPixelBufferGetWidth(imageBuffer)
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let height = CVPixelBufferGetHeight(imageBuffer)
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let count = arguments.count
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print(
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"ExampleSwiftPlugin: \(width) x \(height) Image. Logging \(count) parameters:"
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)
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for key in arguments.keys {
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let value = arguments[key]
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let valueString = String(describing: value)
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let valueClassString = String(describing: value.self)
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print("ExampleSwiftPlugin: -> \(valueString) (\(valueClassString))")
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}
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}
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return [
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"example_str": "SwiftTest",
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"example_bool": false,
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"example_double": 6.7,
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"example_array": ["Good bye", false, 21.37]
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]
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}
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}
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#endif
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