feat: Frame Processors for Android (#196)

* Create android gradle build setup

* Fix `prefab` config

* Add `pickFirst **/*.so` to example build.gradle

* fix REA path

* cache gradle builds

* Update validate-android.yml

* Create Native Proxy

* Copy REA header

* implement ctor

* Rename CameraViewModule -> FrameProcessorRuntimeManager

* init FrameProcessorRuntimeManager

* fix name

* Update FrameProcessorRuntimeManager.h

* format

* Create AndroidErrorHandler.h

* Initialize runtime and install JSI funcs

* Update FrameProcessorRuntimeManager.cpp

* Update CameraViewModule.kt

* Make CameraView hybrid C++ class to find view & set frame processor

* Update FrameProcessorRuntimeManager.cpp

* pass function by rvalue

* pass by const &&

* extract hermes and JSC REA

* pass `FOR_HERMES`

* correctly prepare JSC and Hermes

* Update CMakeLists.txt

* add missing hermes include

* clean up imports

* Create JImageProxy.h

* pass ImageProxy to JNI as `jobject`

* try use `JImageProxy` C++ wrapper type

* Use `local_ref<JImageProxy>`

* Create `JImageProxyHostObject` for JSI interop

* debug call to frame processor

* Unset frame processor

* Fix CameraView native part not being registered

* close image

* use `jobject` instead of `JImageProxy` for now :(

* fix hermes build error

* Set enable FP callback

* fix JNI call

* Update CameraView.cpp

* Get Format

* Create plugin abstract

* Make `FrameProcessorPlugin` a hybrid object

* Register plugin CXX

* Call `registerPlugin`

* Catch

* remove JSI

* Create sample QR code plugin

* register plugins

* Fix missing JNI binding

* Add `mHybridData`

* prefix name with two underscores (`__`)

* Update CameraPage.tsx

* wrap `ImageProxy` in host object

* Use `jobject` for HO box

* Update JImageProxy.h

* reinterpret jobject

* Try using `JImageProxy` instead of `jobject`

* Update JImageProxy.h

* get bytes per row and plane count

* Update CameraView.cpp

* Return base

* add some docs and JNI JSI conversion

* indent

* Convert JSI value to JNI jobject

* using namespace facebook

* Try using class

* Use plain old Object[]

* Try convert JNI -> JSI

* fix decl

* fix bool init

* Correctly link folly

* Update CMakeLists.txt

* Convert Map to Object

* Use folly for Map and Array

* Return `alias_ref<jobject>` instead of raw `jobject`

* fix JNI <-> JSI conversion

* Update JSIJNIConversion.cpp

* Log parameters

* fix params index offset

* add more test cases

* Update FRAME_PROCESSORS_CREATE_OVERVIEW.mdx

* fix types

* Rename to example plugin

* remove support for hashmap

* Try use HashMap iterable fbjni binding

* try using JReadableArray/JReadableMap

* Fix list return values

* Update JSIJNIConversion.cpp

* Update JSIJNIConversion.cpp

* (iOS) Rename ObjC QR Code Plugin to Example Plugin

* Rename Swift plugin QR -> Example

* Update ExamplePluginSwift.swift

* Fix Map/Dictionary logging format

* Update ExampleFrameProcessorPlugin.m

* Reconfigure session if frame processor changed

* Handle use-cases via `maxUseCasesCount`

* Don't crash app on `configureSession` error

* Document "use-cases"

* Update DEVICES.mdx

* fix merge

* Make `const &`

* iOS: Automatically enable `video` if a `frameProcessor` is set

* Update CameraView.cpp

* fix docs

* Automatically fallback to snapshot capture if `supportsParallelVideoProcessing` is false.

* Fix lookup

* Update CameraView.kt

* Implement `frameProcessorFps`

* Finalize Frame Processor Plugin Hybrid

* Update CameraViewModule.kt

* Support `flash` on `takeSnapshot()`

* Update docs

* Add docs

* Update CameraPage.tsx

* Attribute NonNull

* remove unused imports

* Add Android docs for Frame Processors

* Make JNI HashMap <-> JSI Object conversion faster

directly access `toHashMap` instead of going through java

* add todo

* Always run `prepareJSC` and `prepareHermes`

* switch jsc and hermes

* Specify ndkVersion `21.4.7075529`

* Update gradle.properties

* Update gradle.properties

* Create .aar

* Correctly prepare android package

* Update package.json

* Update package.json

* remove `prefab` build feature

* split

* Add docs for registering the FP plugin

* Add step for dep

* Update CaptureButton.tsx

* Move to `reanimated-headers/`

* Exclude reanimated-headers from cpplint

* disable `build/include_order` rule

* cpplint fixes

* perf: Make `JSIJNIConversion` a `namespace` instead of `class`

* Ignore runtime/references for `convert` funcs

* Build Android .aar in CI

* Run android build script only on `prepack`

* Update package.json

* Update package.json

* Update build-android-npm-package.sh

* Move to `yarn build`

* Also install node_modules in example step

* Update validate-android.yml

* sort imports

* fix torch

* Run ImageAnalysis on `FrameProcessorThread`

* Update Errors.kt

* Add clean android script

* Upgrade reanimated to 2.3.0-alpha.1

* Revert "Upgrade reanimated to 2.3.0-alpha.1"

This reverts commit c1d3bed5e03728d0b5e335a359524ff4f56f5035.

* ⚠️ TEMP FIX: hotfix reanimated build.gradle

* Update CameraView+TakeSnapshot.kt

* ⚠️ TEMP FIX: Disable ktlint action for now

* Update clean.sh

* Set max heap size to 4g

* rebuild lockfiles

* Update Podfile.lock

* rename

* Build lib .aar before example/

example/src/CameraPage.tsx

@@ -3,7 +3,15 @@ import { useRef, useState, useMemo, useCallback } from 'react';
 import { StyleSheet, Text, View } from 'react-native';
 import { PinchGestureHandler, PinchGestureHandlerGestureEvent, TapGestureHandler } from 'react-native-gesture-handler';
 import { Navigation, NavigationFunctionComponent } from 'react-native-navigation';
-import { CameraDeviceFormat, CameraRuntimeError, PhotoFile, sortFormats, useCameraDevices, VideoFile } from 'react-native-vision-camera';
+import {
+  CameraDeviceFormat,
+  CameraRuntimeError,
+  PhotoFile,
+  sortFormats,
+  useCameraDevices,
+  useFrameProcessor,
+  VideoFile,
+} from 'react-native-vision-camera';
 import { Camera, frameRateIncluded } from 'react-native-vision-camera';
 import { useIsScreenFocussed } from './hooks/useIsScreenFocused';
 import { CONTENT_SPACING, MAX_ZOOM_FACTOR, SAFE_AREA_PADDING } from './Constants';
@@ -15,6 +23,7 @@ import { CaptureButton } from './views/CaptureButton';
 import { PressableOpacity } from 'react-native-pressable-opacity';
 import MaterialIcon from 'react-native-vector-icons/MaterialCommunityIcons';
 import IonIcon from 'react-native-vector-icons/Ionicons';
+import { examplePlugin } from './frame-processors/ExamplePlugin';
 
 const ReanimatedCamera = Reanimated.createAnimatedComponent(Camera);
 Reanimated.addWhitelistedNativeProps({
@@ -187,11 +196,11 @@ export const CameraPage: NavigationFunctionComponent = ({ componentId }) => {
     console.log('re-rendering camera page without active camera');
   }
 
-  // const frameProcessor = useFrameProcessor((frame) => {
-  //   'worklet';
-  //   const codes = scanQRCodesObjC(frame);
-  //   _log(`Codes: ${JSON.stringify(codes)}`);
-  // }, []);
+  const frameProcessor = useFrameProcessor((frame) => {
+    'worklet';
+    const values = examplePlugin(frame);
+    _log(`Return Values: ${JSON.stringify(values)}`);
+  }, []);
 
   return (
     <View style={styles.container}>
@@ -215,8 +224,8 @@ export const CameraPage: NavigationFunctionComponent = ({ componentId }) => {
                 photo={true}
                 video={true}
                 audio={true}
-                // frameProcessor={frameProcessor}
-                // frameProcessorFps={1}
+                frameProcessor={device.supportsParallelVideoProcessing ? frameProcessor : undefined}
+                frameProcessorFps={1}
               />
             </TapGestureHandler>
           </Reanimated.View>