30b56153db
Before, Frame Processors ran on a separate Thread.
After, Frame Processors run fully synchronous and always at the same FPS as the Camera.
Two new functions have been introduced:
* `runAtTargetFps(fps: number, func: () => void)`: Runs the given code as often as the given `fps`, effectively throttling it's calls.
* `runAsync(frame: Frame, func: () => void)`: Runs the given function on a separate Thread for Frame Processing. A strong reference to the Frame is held as long as the function takes to execute.
You can use `runAtTargetFps` to throttle calls to a specific API (e.g. if your Camera is running at 60 FPS, but you only want to run face detection at ~25 FPS, use `runAtTargetFps(25, ...)`.)
You can use `runAsync` to run a heavy algorithm asynchronous, so that the Camera is not blocked while your algorithm runs. This is useful if your main sync processor draws something, and your async processor is doing some image analysis on the side.
You can also combine both functions.
Examples:
```js
const frameProcessor = useFrameProcessor((frame) => {
'worklet'
console.log("I'm running at 60 FPS!")
}, [])
```
```js
const frameProcessor = useFrameProcessor((frame) => {
'worklet'
console.log("I'm running at 60 FPS!")
runAtTargetFps(10, () => {
'worklet'
console.log("I'm running at 10 FPS!")
})
}, [])
```
```js
const frameProcessor = useFrameProcessor((frame) => {
'worklet'
console.log("I'm running at 60 FPS!")
runAsync(frame, () => {
'worklet'
console.log("I'm running on another Thread, I can block for longer!")
})
}, [])
```
```js
const frameProcessor = useFrameProcessor((frame) => {
'worklet'
console.log("I'm running at 60 FPS!")
runAtTargetFps(10, () => {
'worklet'
runAsync(frame, () => {
'worklet'
console.log("I'm running on another Thread at 10 FPS, I can block for longer!")
})
})
}, [])
```
165 lines
4.2 KiB
JSON
165 lines
4.2 KiB
JSON
{
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"name": "react-native-vision-camera",
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"version": "2.15.4",
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"description": "The Camera library that sees the vision.",
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"main": "lib/commonjs/index",
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"module": "lib/module/index",
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"types": "lib/typescript/index.d.ts",
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"react-native": "src/index",
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"source": "src/index",
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"files": [
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"src",
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"lib/commonjs",
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"lib/module",
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"lib/typescript",
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"android/build.gradle",
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"android/gradle.properties",
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"android/CMakeLists.txt",
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"android/src",
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"ios/**/*.h",
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"ios/**/*.m",
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"ios/**/*.mm",
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"ios/**/*.cpp",
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"ios/**/*.swift",
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"ios/VisionCamera.xcodeproj/project.pbxproj",
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"app.plugin.js",
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"VisionCamera.podspec",
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"README.md"
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],
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"scripts": {
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"typescript": "tsc --noEmit",
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"lint": "eslint \"**/*.{js,ts,tsx}\"",
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"lint-ci": "yarn lint -f ./node_modules/@firmnav/eslint-github-actions-formatter/dist/formatter.js",
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"build": "bob build",
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"release": "release-it",
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"pods": "cd example && yarn pods",
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"bootstrap": "yarn && cd example && yarn && yarn setup && yarn pods",
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"check-android": "scripts/ktlint.sh && scripts/cpplint.sh",
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"check-ios": "scripts/swiftformat.sh && scripts/swiftlint.sh",
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"check-js": "yarn lint --fix && yarn typescript",
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"check-all": "scripts/check-all.sh",
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"clean-ios": "scripts/clean-ios.sh",
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"clean-android": "scripts/clean-android.sh",
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"clean-js": "scripts/clean-js.sh",
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"docs": "cd docs && yarn build"
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},
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"keywords": [
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"react-native",
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"ios",
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"android",
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"camera",
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"vision",
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"native",
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"module",
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"react",
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"ai",
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"ar",
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"qr",
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"qr-code",
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"scanner"
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],
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"repository": "https://github.com/mrousavy/react-native-vision-camera",
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"author": "Marc Rousavy <marcrousavy@hotmail.com> (https://github.com/mrousavy)",
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"license": "MIT",
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"bugs": {
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"url": "https://github.com/mrousavy/react-native-vision-camera/issues"
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},
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"homepage": "https://mrousavy.github.io/react-native-vision-camera/",
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"publishConfig": {
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"registry": "https://registry.npmjs.org/"
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},
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"devDependencies": {
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"@expo/config-plugins": "^5.0.4",
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"@jamesacarr/eslint-formatter-github-actions": "^0.1.0",
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"@react-native-community/eslint-config": "^3.2.0",
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"@react-native-community/eslint-plugin": "^1.3.0",
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"@release-it/conventional-changelog": "^5.1.1",
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"@types/react": "^18.0.27",
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"@types/react-native": "^0.71.2",
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"eslint": "^8.33.0",
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"pod-install": "^0.1.38",
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"prettier": "^2.8.4",
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"react": "^18.2.0",
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"react-native": "^0.71.3",
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"react-native-builder-bob": "^0.20.3",
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"react-native-worklets": "https://github.com/chrfalch/react-native-worklets#15d52dd",
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"release-it": "^15.6.0",
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"typescript": "^4.9.5"
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},
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"peerDependencies": {
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"react": "*",
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"react-native": "*",
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"react-native-worklets": "*"
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},
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"prettier": {
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"bracketSpacing": true,
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"bracketSameLine": true,
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"singleQuote": true,
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"trailingComma": "all",
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"semi": true,
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"tabWidth": 2,
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"useTabs": false,
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"printWidth": 140
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},
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"babel": {
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"presets": [
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"module:metro-react-native-babel-preset"
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]
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},
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"release-it": {
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"git": {
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"commitMessage": "chore: release ${version}",
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"tagName": "v${version}"
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},
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"npm": {
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"publish": true
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},
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"github": {
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"release": true
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},
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"plugins": {
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"@release-it/conventional-changelog": {
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"preset": {
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"name": "conventionalcommits",
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"types": [
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{
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"type": "feat",
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"section": "✨ Features"
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},
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{
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"type": "fix",
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"section": "🐛 Bug Fixes"
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},
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{
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"type": "perf",
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"section": "💨 Performance Improvements"
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},
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{
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"type": "chore(deps)",
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"section": "🛠️ Dependency Upgrades"
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},
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{
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"type": "docs",
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"section": "📚 Documentation"
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}
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]
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}
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}
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}
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},
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"react-native-builder-bob": {
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"source": "src",
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"output": "lib",
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"targets": [
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"commonjs",
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"module",
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[
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"typescript",
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{
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"project": "tsconfig.json"
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}
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]
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]
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}
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}
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