106 lines
4.1 KiB
Kotlin
106 lines
4.1 KiB
Kotlin
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package com.cuvent.experiences.friends.camera
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import android.annotation.SuppressLint
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import android.hardware.camera2.*
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import android.util.Log
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import androidx.camera.camera2.interop.Camera2CameraInfo
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import androidx.camera.core.ImageCapture
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import androidx.camera.core.ImageProxy
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import androidx.exifinterface.media.ExifInterface
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import com.cuvent.experiences.friends.camera.utils.*
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import com.facebook.react.bridge.Arguments
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import com.facebook.react.bridge.ReadableMap
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import com.facebook.react.bridge.WritableMap
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import kotlinx.coroutines.*
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import java.io.File
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private const val TAG = "CameraView.performance"
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@SuppressLint("UnsafeExperimentalUsageError")
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suspend fun CameraView.takePhoto(options: ReadableMap): WritableMap = coroutineScope {
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val startFunc = System.nanoTime()
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Log.d(CameraView.REACT_CLASS, "takePhoto() called")
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val imageCapture = imageCapture ?: throw CameraNotReadyError()
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if (options.hasKey("photoCodec")) {
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// TODO photoCodec
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}
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if (options.hasKey("qualityPrioritization")) {
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// TODO qualityPrioritization
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}
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if (options.hasKey("flash")) {
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val flashMode = options.getString("flash")
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imageCapture.flashMode = when (flashMode) {
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"on" -> ImageCapture.FLASH_MODE_ON
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"off" -> ImageCapture.FLASH_MODE_OFF
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"auto" -> ImageCapture.FLASH_MODE_AUTO
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else -> throw InvalidTypeScriptUnionError("flash", flashMode ?: "(null)")
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}
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}
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if (options.hasKey("enableAutoRedEyeReduction")) {
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// TODO enableAutoRedEyeReduction
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}
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if (options.hasKey("enableDualCameraFusion")) {
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// TODO enableDualCameraFusion
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}
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if (options.hasKey("enableVirtualDeviceFusion")) {
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// TODO enableVirtualDeviceFusion
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}
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if (options.hasKey("enableAutoStabilization")) {
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// TODO enableAutoStabilization
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}
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if (options.hasKey("enableAutoDistortionCorrection")) {
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// TODO enableAutoDistortionCorrection
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}
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val skipMetadata = if (options.hasKey("skipMetadata")) options.getBoolean("skipMetadata") else false
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val camera2Info = Camera2CameraInfo.from(camera!!.cameraInfo)
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val lensFacing = camera2Info.getCameraCharacteristic(CameraCharacteristics.LENS_FACING)
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// TODO: Flip image if lens is front side
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val results = awaitAll(
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async(coroutineContext) {
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Log.d(CameraView.REACT_CLASS, "Taking picture...")
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val startCapture = System.nanoTime()
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val pic = imageCapture.takePicture(takePhotoExecutor)
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val endCapture = System.nanoTime()
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Log.d(TAG, "Finished image capture in ${(endCapture - startCapture) / 1_000_000}ms")
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pic
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},
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async(Dispatchers.IO) {
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Log.d(CameraView.REACT_CLASS, "Creating temp file...")
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File.createTempFile("mrousavy", ".jpg", context.cacheDir).apply { deleteOnExit() }
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})
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val photo = results.first { it is ImageProxy } as ImageProxy
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val file = results.first { it is File } as File
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val exif: ExifInterface?
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@Suppress("BlockingMethodInNonBlockingContext")
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withContext(Dispatchers.IO) {
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Log.d(CameraView.REACT_CLASS, "Saving picture to ${file.absolutePath}...")
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val startSave = System.nanoTime()
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photo.save(file, lensFacing == CameraCharacteristics.LENS_FACING_FRONT)
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val endSave = System.nanoTime()
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Log.d(TAG, "Finished image saving in ${(endSave - startSave) / 1_000_000}ms")
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// TODO: Read Exif from existing in-memory photo buffer instead of file?
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exif = if (skipMetadata) null else ExifInterface(file)
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}
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val map = Arguments.createMap()
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map.putString("path", file.absolutePath)
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map.putInt("width", photo.width)
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map.putInt("height", photo.height)
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map.putBoolean("isRawPhoto", photo.isRaw)
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val metadata = exif?.buildMetadataMap()
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map.putMap("metadata", metadata)
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photo.close()
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Log.d(CameraView.REACT_CLASS, "Finished taking photo!")
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val endFunc = System.nanoTime()
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Log.d(TAG, "Finished function execution in ${(endFunc - startFunc) / 1_000_000}ms")
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return@coroutineScope map
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}
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