VideoCapturerDelegate

protocol VideoCapturerDelegate : AnyObject

Overview

訂閱者只需實作關心的事件。

三個事件一律在 main thread 觸發，可直接在事件裡更新畫面。

capturer.delegates.add(delegate: self)

func capturer(_ capturer: VideoCapturer, didUpdate dimensions: CMVideoDimensions?) {
    print("實際解析度：\(dimensions?.width ?? 0)x\(dimensions?.height ?? 0)")
}

Topics

Instance Methods

• func capturer(VideoCapturer, didDowngradeResolution: CMVideoDimensions, to: CMVideoDimensions)

  採集格式無法滿足要求的解析度 —— 於挑選格式當下判定。

• func capturer(VideoCapturer, didUpdate: CMVideoDimensions?)

  實際採集解析度已變更

• func capturer(VideoCapturer, didUpdate: CaptureState)

  擷取狀態已變更（idle / capturing / error）