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feat: add internal camera object module [#45]
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143 changes: 143 additions & 0 deletions
143
external/src/main/java/com/foke/together/external/camera/internal/InternalCameraModule.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,143 @@ | ||
| package com.foke.together.external.camera.internal | ||
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| import android.content.Context | ||
| import android.graphics.Bitmap | ||
| import android.graphics.Matrix | ||
| import android.hardware.camera2.CaptureRequest | ||
| import android.os.SystemClock | ||
| import android.util.Log | ||
| import android.util.Range | ||
| import android.util.Size | ||
| import androidx.annotation.OptIn | ||
| import androidx.camera.camera2.Camera2Config | ||
| import androidx.camera.camera2.interop.Camera2Interop | ||
| import androidx.camera.camera2.interop.ExperimentalCamera2Interop | ||
| import androidx.camera.core.AspectRatio | ||
| import androidx.camera.core.CameraSelector | ||
| import androidx.camera.core.CameraXConfig | ||
| import androidx.camera.core.ImageAnalysis | ||
| import androidx.camera.lifecycle.ProcessCameraProvider | ||
| import dagger.Module | ||
| import dagger.Provides | ||
| import dagger.hilt.InstallIn | ||
| import dagger.hilt.components.SingletonComponent | ||
| import kotlinx.coroutines.flow.Flow | ||
| import kotlinx.coroutines.flow.flow | ||
| import java.util.concurrent.ExecutorService | ||
| import java.util.concurrent.Executors | ||
| import java.util.concurrent.TimeUnit | ||
| import javax.inject.Singleton | ||
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| @Module | ||
| @InstallIn(SingletonComponent::class) | ||
| object CameraModule { | ||
| private val TAG = CameraModule::class.java.simpleName | ||
| private var cameraExecutorService : ExecutorService? = null | ||
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| // CameraX ImageAnalyzer용 백그라운드 서비스 | ||
| @Provides | ||
| @Singleton | ||
| fun clearCameraExecutor(): Boolean{ | ||
| cameraExecutorService?.shutdown() | ||
| cameraExecutorService?.awaitTermination(Long.MAX_VALUE, TimeUnit.NANOSECONDS) | ||
| cameraExecutorService = null | ||
| return cameraExecutorService == null | ||
| } | ||
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| @Provides | ||
| @Singleton | ||
| fun provideCameraSelector(cameraIdx: Int): CameraSelector { | ||
| return CameraSelector.Builder() | ||
| .requireLensFacing(cameraIdx) | ||
| .build() | ||
| } | ||
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| @Provides | ||
| @Singleton | ||
| fun provideCameraProvider( | ||
| context: Context, | ||
| ): ProcessCameraProvider { | ||
| return ProcessCameraProvider.getInstance(context).get() | ||
| } | ||
|
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| @OptIn(ExperimentalCamera2Interop::class) | ||
| @Provides | ||
| @Singleton | ||
| fun provideImageAnalysis( | ||
| rotation: Int | ||
| ): ImageAnalysis { | ||
| val iaBuilder = ImageAnalysis.Builder() | ||
| .setBackpressureStrategy(ImageAnalysis.STRATEGY_KEEP_ONLY_LATEST) | ||
| .setOutputImageFormat(ImageAnalysis.OUTPUT_IMAGE_FORMAT_RGBA_8888) | ||
| .setTargetRotation(rotation) | ||
| .setTargetAspectRatio(AspectRatio.RATIO_4_3) | ||
| return iaBuilder.build() | ||
| } | ||
|
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| @Provides | ||
| @Singleton | ||
| fun provideCameraExecutor(): ExecutorService { | ||
| if(cameraExecutorService == null){ | ||
| cameraExecutorService = Executors.newSingleThreadExecutor() | ||
| } | ||
| return cameraExecutorService!! | ||
| } | ||
|
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| fun shutdown(){ | ||
| if(cameraExecutorService != null) { | ||
| cameraExecutorService?.shutdown() | ||
| cameraExecutorService?.awaitTermination(Long.MAX_VALUE, TimeUnit.NANOSECONDS) | ||
| cameraExecutorService = null | ||
| } | ||
| } | ||
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| @Provides | ||
| @Singleton | ||
| fun provideCameraXConfig(): CameraXConfig { | ||
| return CameraXConfig.Builder | ||
| .fromConfig(Camera2Config.defaultConfig()) | ||
| .setMinimumLoggingLevel(Log.ERROR) | ||
| .build() | ||
| } | ||
|
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| @Provides | ||
| @Singleton | ||
| fun provideCameraStatus(): Flow<Boolean> = flow { | ||
| emit(cameraExecutorService != null) | ||
| } | ||
|
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| // 미디어 파이프 제공하기 위함 | ||
| // @Provides | ||
| // @Singleton | ||
| // fun provideMPImageAnalyzer( | ||
| // handLandMarker: HandLandmarker, | ||
| // setCameraFrame: (Bitmap) -> Unit, | ||
| // cameraCropScale: Float = DEFAULT_CROP_SCALE, | ||
| // drawCameraInIndicator: Boolean = false | ||
| // ) = ImageAnalysis.Analyzer{ imageProxy -> | ||
| // val frameTime = SystemClock.uptimeMillis() | ||
| // // Copy out RGB bits from the frame to a bitmap buffer | ||
| // val bitmapBuffer = | ||
| // Bitmap.createBitmap( | ||
| // imageProxy.width, | ||
| // imageProxy.height, | ||
| // Bitmap.Config.ARGB_8888 | ||
| // ) | ||
| // imageProxy.use { bitmapBuffer.copyPixelsFromBuffer(imageProxy.planes[0].buffer) } | ||
| // imageProxy.close() | ||
| // val newWidth = imageProxy.width / cameraCropScale | ||
| // val newHeight = imageProxy.height / cameraCropScale | ||
| // val newX = ( imageProxy.width - newWidth ) / 2 | ||
| // val newY = ( imageProxy.height - newHeight ) / 2 | ||
| // // if crop scale = 1.0f , not use new bitmap | ||
| // var crop = bitmapBuffer | ||
| // if ( cameraCropScale > 1.5f ) { | ||
| // crop = Bitmap.createBitmap( bitmapBuffer, newX.toInt(), newY.toInt(), newWidth.toInt(), newHeight.toInt() ) | ||
| // } | ||
| // | ||
| // // Convert the input Bitmap object to an MPImage object to run inference | ||
| // val mpImage = BitmapImageBuilder(crop).build() | ||
| // handLandMarker.detectAsync(mpImage, frameTime) | ||
| // } | ||
| } |
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