react-native-vision-camera/ios/CameraView+Preview.swift
Marc Rousavy 375e894038
feat: Complete iOS Codebase rewrite (#1647)
* Make Frame Processors an extra subspec

* Update VisionCamera.podspec

* Make optional

* Make VisionCamera compile without Skia

* Fix

* Add skia again

* Update VisionCamera.podspec

* Make VisionCamera build without Frame Processors

* Rename error to `system/frame-processors-unavailable`

* Fix Frame Processor returning early

* Remove `preset`, FP partial rewrite

* Only warn on frame drop

* Fix wrong queue

* fix: Run on CameraQueue again

* Update CameraView.swift

* fix: Activate audio session asynchronously on audio queue

* Update CameraView+RecordVideo.swift

* Update PreviewView.h

* Cleanups

* Cleanup

* fix cast

* feat: Add LiDAR Depth Camera support

* Upgrade Ruby

* Add vector icons type

* Update Gemfile.lock

* fix: Stop queues on deinit

* Also load `builtInTrueDepthCamera`

* Update CameraViewManager.swift

* Update SkImageHelpers.mm

* Extract FrameProcessorCallback to FrameProcessor

Holds more context now :)

* Rename to .m

* fix: Add `RCTLog` import

* Create SkiaFrameProcessor

* Update CameraBridge.h

* Call Frame Processor

* Fix defines

* fix: Allow deleting callback funcs

* fix Skia build

* batch

* Just call `setSkiaFrameProcessor`

* Rewrite in Swift

* Pass `SkiaRenderer`

* Fix Import

* Move `PreviewView` to Swift

* Fix Layer

* Set Skia Canvas to Frame Host Object

* Make `DrawableFrameHostObject` subclass

* Fix TS types

* Use same MTLDevice and apply scale

* Make getter

* Extract `setTorch` and `Preview`

* fix: Fix nil metal device

* Don't wait for session stop in deinit

* Use main pixel ratio

* Use unique_ptr for Render Contexts

* fix: Fix SkiaPreviewDisplayLink broken after deinit

* inline `getTextureCache`

* Update CameraPage.tsx

* chore: Format iOS

* perf: Allow MTLLayer to be optimized for only frame buffers

* Add RN Video types

* fix: Fix Frame Processors if guard

* Find nodeModules recursively

* Create `Frame.isDrawable`

* Add `cocoapods-check` dependency
2023-07-20 15:30:04 +02:00

58 lines
1.5 KiB
Swift

//
// CameraView+Preview.swift
// VisionCamera
//
// Created by Marc Rousavy on 20.07.23.
// Copyright © 2023 mrousavy. All rights reserved.
//
import AVFoundation
import Foundation
extension CameraView {
#if VISION_CAMERA_ENABLE_SKIA
@objc
func getSkiaRenderer() -> SkiaRenderer {
if skiaRenderer == nil {
skiaRenderer = SkiaRenderer()
}
return skiaRenderer!
}
#endif
public func setupPreviewView() {
if previewType == "skia" {
// Skia Preview View allows user to draw onto a Frame in a Frame Processor
#if VISION_CAMERA_ENABLE_SKIA
if previewView is SkiaPreviewView { return }
previewView?.removeFromSuperview()
previewView = SkiaPreviewView(frame: frame, skiaRenderer: getSkiaRenderer())
#else
invokeOnError(.system(.skiaUnavailable))
return
#endif
} else {
// Normal iOS PreviewView is lighter and more performant (YUV Format, GPU only)
if previewView is NativePreviewView { return }
previewView?.removeFromSuperview()
previewView = NativePreviewView(frame: frame, session: captureSession)
}
addSubview(previewView!)
}
internal func setupFpsGraph() {
#if DEBUG
if enableFpsGraph {
if fpsGraph != nil { return }
fpsGraph = RCTFPSGraph(frame: CGRect(x: 10, y: 54, width: 75, height: 45), color: .red)
fpsGraph!.layer.zPosition = 9999.0
addSubview(fpsGraph!)
} else {
fpsGraph?.removeFromSuperview()
fpsGraph = nil
}
#endif
}
}