106 lines
2.9 KiB
Swift
106 lines
2.9 KiB
Swift
import SwiftUI
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import WebRTC
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#if os(iOS)
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import UIKit
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struct RTCVideoRendererView: UIViewRepresentable {
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let track: RTCVideoTrack?
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var mirrored = false
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var contentMode: UIView.ContentMode = .scaleAspectFill
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func makeCoordinator() -> Coordinator {
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Coordinator()
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}
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func makeUIView(context: Context) -> RTCMTLVideoView {
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let view = RTCMTLVideoView(frame: .zero)
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view.videoContentMode = contentMode
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view.backgroundColor = .black
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context.coordinator.update(track: track, renderer: view)
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return view
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}
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func updateUIView(_ view: RTCMTLVideoView, context: Context) {
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view.videoContentMode = contentMode
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view.transform = mirrored
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? CGAffineTransform(scaleX: -1, y: 1)
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: .identity
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context.coordinator.update(track: track, renderer: view)
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}
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static func dismantleUIView(_ view: RTCMTLVideoView, coordinator: Coordinator) {
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coordinator.detach(renderer: view)
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}
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final class Coordinator {
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private weak var track: RTCVideoTrack?
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func update(track newTrack: RTCVideoTrack?, renderer: RTCMTLVideoView) {
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guard track !== newTrack else { return }
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track?.remove(renderer)
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track = newTrack
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newTrack?.add(renderer)
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}
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func detach(renderer: RTCMTLVideoView) {
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track?.remove(renderer)
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track = nil
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}
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}
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}
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#elseif os(macOS)
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import AppKit
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struct RTCVideoRendererView: NSViewRepresentable {
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let track: RTCVideoTrack?
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var mirrored = false
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func makeCoordinator() -> Coordinator {
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Coordinator()
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}
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func makeNSView(context: Context) -> RTCMTLNSVideoView {
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let view = RTCMTLNSVideoView(frame: .zero)
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view.wantsLayer = true
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view.layer?.backgroundColor = NSColor.black.cgColor
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context.coordinator.update(track: track, renderer: view)
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return view
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}
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func updateNSView(_ view: RTCMTLNSVideoView, context: Context) {
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view.layer?.setAffineTransform(
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mirrored ? CGAffineTransform(scaleX: -1, y: 1) : .identity
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)
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context.coordinator.update(track: track, renderer: view)
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}
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static func dismantleNSView(_ view: RTCMTLNSVideoView, coordinator: Coordinator) {
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coordinator.detach(renderer: view)
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}
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final class Coordinator {
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private weak var track: RTCVideoTrack?
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func update(track newTrack: RTCVideoTrack?, renderer: RTCMTLNSVideoView) {
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guard track !== newTrack else { return }
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track?.remove(renderer)
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track = newTrack
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newTrack?.add(renderer)
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}
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func detach(renderer: RTCMTLNSVideoView) {
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track?.remove(renderer)
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track = nil
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}
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}
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}
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#endif
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#Preview {
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RTCVideoRendererView(track: nil)
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.frame(width: 280, height: 320)
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.background(Color.black)
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}
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