railbird/react-native-vision-camera
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feat: Rewrite Android C++ part (VisionCameraProxy + JFrame) (#1661)

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* First Android rewrite

* Rewrite Android C++ backend

* Pass `ReadableNativeMap`, fix build error

* fix: Fix FrameProcessor init

* Make a bunch of stuff const reference to avoid copies

* Indents

* Cleanup

* indents

* docs: Update Android docs

* Update CameraView.kt

* fix: Format C++ code
This commit is contained in:
Marc Rousavy
2023-07-22 00:15:11 +02:00
committed by GitHub
parent 44ed42d5d6
commit 86dd703c2b
45 changed files with 985 additions and 859 deletions
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25
android/src/main/java/com/mrousavy/camera/CameraView.kt
View File

@@ -24,15 +24,16 @@ import androidx.lifecycle.*
import com.facebook.jni.HybridData
import com.facebook.proguard.annotations.DoNotStrip
import com.facebook.react.bridge.*
import com.facebook.react.uimanager.events.RCTEventEmitter
import com.mrousavy.camera.frameprocessor.FrameProcessorRuntimeManager
import com.mrousavy.camera.frameprocessor.Frame
import com.mrousavy.camera.frameprocessor.FrameProcessor
import com.mrousavy.camera.frameprocessor.FrameProcessorPlugin
import com.mrousavy.camera.frameprocessor.FrameProcessorPluginRegistry
import com.mrousavy.camera.utils.*
import kotlinx.coroutines.*
import kotlinx.coroutines.guava.await
import java.lang.IllegalArgumentException
import java.util.concurrent.ExecutorService
import java.util.concurrent.Executors
import kotlin.math.floor
import kotlin.math.max
import kotlin.math.min
@@ -118,8 +119,9 @@ class CameraView(context: Context, private val frameProcessorThread: ExecutorSer
internal var camera: Camera? = null
internal var imageCapture: ImageCapture? = null
internal var videoCapture: VideoCapture<Recorder>? = null
private var imageAnalysis: ImageAnalysis? = null
public var frameProcessor: FrameProcessor? = null
private var preview: Preview? = null
private var imageAnalysis: ImageAnalysis? = null
internal var activeVideoRecording: Recording? = null
@@ -156,10 +158,7 @@ class CameraView(context: Context, private val frameProcessorThread: ExecutorSer
private var minZoom: Float = 1f
private var maxZoom: Float = 1f
@DoNotStrip
private var mHybridData: HybridData? = null
@Suppress("LiftReturnOrAssignment", "RedundantIf")
@Suppress("RedundantIf")
internal val fallbackToSnapshot: Boolean
@SuppressLint("UnsafeOptInUsageError")
get() {
@@ -190,8 +189,6 @@ class CameraView(context: Context, private val frameProcessorThread: ExecutorSer
}
init {
mHybridData = initHybrid()
previewView = PreviewView(context)
previewView.layoutParams = LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT)
previewView.installHierarchyFitter() // If this is not called correctly, view finder will be black/blank
@@ -244,9 +241,6 @@ class CameraView(context: Context, private val frameProcessorThread: ExecutorSer
imageAnalysis?.targetRotation = outputRotation
}
private external fun initHybrid(): HybridData
private external fun frameProcessorCallback(frame: ImageProxy)
override fun getLifecycle(): Lifecycle {
return lifecycleRegistry
}
@@ -461,8 +455,9 @@ class CameraView(context: Context, private val frameProcessorThread: ExecutorSer
imageAnalysis = imageAnalysisBuilder.build().apply {
setAnalyzer(cameraExecutor) { image ->
// Call JS Frame Processor
frameProcessorCallback(image)
// frame gets closed in FrameHostObject implementation (JS ref counting)
val frame = Frame(image)
frameProcessor?.call(frame)
// ...frame gets closed in FrameHostObject implementation via JS ref counting
}
}
useCases.add(imageAnalysis!!)