TongTongStudio
376a2c1217
移除视频预览层的aspectRatio约束，并将本地解码画面渲染模式从resizeAspect改为resizeAspectFill，确保视频内容正确填充显示区域。
40 lines
1.1 KiB
Swift
40 lines
1.1 KiB
Swift
import UIKit
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import SwiftUI
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import AVFoundation
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/// UIKit 视图：以 AVSampleBufferDisplayLayer 为 backing layer，
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/// 用于渲染"自编码"模式下的 H.264 硬解画面（对应 Android 端的 SurfaceView）。
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final class SampleBufferDisplayView: UIView {
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override class var layerClass: AnyClass {
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AVSampleBufferDisplayLayer.self
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}
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var sampleBufferLayer: AVSampleBufferDisplayLayer {
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layer as! AVSampleBufferDisplayLayer
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}
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override init(frame: CGRect) {
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super.init(frame: frame)
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sampleBufferLayer.videoGravity = .resizeAspectFill
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backgroundColor = .black
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}
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required init?(coder: NSCoder) {
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super.init(coder: coder)
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sampleBufferLayer.videoGravity = .resizeAspectFill
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backgroundColor = .black
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}
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}
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/// SwiftUI 包装
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struct SelfCodecDisplayViewRepresentable: UIViewRepresentable {
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let view: SampleBufferDisplayView
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func makeUIView(context: Context) -> SampleBufferDisplayView {
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view
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}
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func updateUIView(_ uiView: SampleBufferDisplayView, context: Context) {}
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}
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