| /* |
| * Copyright 2021 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package androidx.camera.extensions |
| |
| import android.content.Context |
| import android.graphics.SurfaceTexture |
| import android.os.Handler |
| import android.os.HandlerThread |
| import android.util.Size |
| import androidx.camera.camera2.Camera2Config |
| import androidx.camera.core.CameraSelector |
| import androidx.camera.core.Preview |
| import androidx.camera.extensions.util.ExtensionsTestUtil |
| import androidx.camera.lifecycle.ProcessCameraProvider |
| import androidx.camera.testing.impl.CameraUtil |
| import androidx.camera.testing.impl.CameraUtil.PreTestCameraIdList |
| import androidx.camera.testing.impl.GLUtil |
| import androidx.camera.testing.impl.SurfaceTextureProvider |
| import androidx.camera.testing.impl.fakes.FakeLifecycleOwner |
| import androidx.test.annotation.UiThreadTest |
| import androidx.test.core.app.ApplicationProvider |
| import androidx.test.filters.LargeTest |
| import androidx.test.filters.SdkSuppress |
| import com.google.common.truth.Truth.assertThat |
| import java.util.concurrent.CountDownLatch |
| import java.util.concurrent.TimeUnit |
| import kotlinx.coroutines.Dispatchers |
| import kotlinx.coroutines.runBlocking |
| import kotlinx.coroutines.withContext |
| import org.junit.After |
| import org.junit.Assume.assumeTrue |
| import org.junit.Before |
| import org.junit.Rule |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.Parameterized |
| |
| @LargeTest |
| @RunWith(Parameterized::class) |
| @SdkSuppress(minSdkVersion = 21) |
| class PreviewTest( |
| @field:ExtensionMode.Mode @param:ExtensionMode.Mode private val extensionMode: Int, |
| @field:CameraSelector.LensFacing @param:CameraSelector.LensFacing private val lensFacing: Int |
| ) { |
| |
| @get:Rule |
| val useCamera = CameraUtil.grantCameraPermissionAndPreTest( |
| PreTestCameraIdList(Camera2Config.defaultConfig()) |
| ) |
| |
| private val context = ApplicationProvider.getApplicationContext<Context>() |
| |
| private lateinit var cameraProvider: ProcessCameraProvider |
| |
| private lateinit var extensionsManager: ExtensionsManager |
| |
| private lateinit var baseCameraSelector: CameraSelector |
| |
| private lateinit var extensionsCameraSelector: CameraSelector |
| |
| private lateinit var fakeLifecycleOwner: FakeLifecycleOwner |
| |
| private val surfaceTextureLatch = CountDownLatch(1) |
| private val frameReceivedLatch = CountDownLatch(1) |
| private var isSurfaceTextureReleased = false |
| private val isSurfaceTextureReleasedLock = Any() |
| |
| private val onFrameAvailableListener = object : SurfaceTexture.OnFrameAvailableListener { |
| private var complete = false |
| private var counter = 0 |
| |
| override fun onFrameAvailable(surfaceTexture: SurfaceTexture): Unit = runBlocking { |
| if (complete) { |
| return@runBlocking |
| } |
| |
| withContext(Dispatchers.Main) { |
| synchronized(isSurfaceTextureReleasedLock) { |
| if (!isSurfaceTextureReleased) { |
| surfaceTexture.updateTexImage() |
| } |
| } |
| } |
| |
| if (counter++ >= 10) { |
| frameReceivedLatch.countDown() |
| complete = true |
| } |
| } |
| } |
| |
| private val handler: Handler |
| private val handlerThread = HandlerThread("FrameAvailableListener").also { |
| it.start() |
| handler = Handler(it.looper) |
| } |
| |
| @Before |
| fun setUp(): Unit = runBlocking { |
| assumeTrue( |
| ExtensionsTestUtil.isTargetDeviceAvailableForExtensions( |
| lensFacing, |
| extensionMode |
| ) |
| ) |
| |
| cameraProvider = ProcessCameraProvider.getInstance(context)[10000, TimeUnit.MILLISECONDS] |
| baseCameraSelector = CameraSelector.Builder().requireLensFacing(lensFacing).build() |
| extensionsManager = ExtensionsManager.getInstanceAsync( |
| context, |
| cameraProvider |
| )[10000, TimeUnit.MILLISECONDS] |
| |
| assumeTrue(extensionsManager.isExtensionAvailable(baseCameraSelector, extensionMode)) |
| |
| extensionsCameraSelector = extensionsManager.getExtensionEnabledCameraSelector( |
| baseCameraSelector, |
| extensionMode |
| ) |
| |
| withContext(Dispatchers.Main) { |
| fakeLifecycleOwner = FakeLifecycleOwner().apply { startAndResume() } |
| } |
| } |
| |
| @After |
| fun teardown(): Unit = runBlocking { |
| if (::cameraProvider.isInitialized) { |
| cameraProvider.shutdownAsync()[10000, TimeUnit.MILLISECONDS] |
| } |
| |
| if (::extensionsManager.isInitialized) { |
| extensionsManager.shutdown()[10000, TimeUnit.MILLISECONDS] |
| } |
| } |
| |
| companion object { |
| @JvmStatic |
| @get:Parameterized.Parameters(name = "extension = {0}, facing = {1}") |
| val parameters: Collection<Array<Any>> |
| get() = ExtensionsTestUtil.getAllExtensionsLensFacingCombinations() |
| } |
| |
| @UiThreadTest |
| @Test |
| fun canBindToLifeCycleAndDisplayPreview(): Unit = runBlocking { |
| withContext(Dispatchers.Main) { |
| val preview = Preview.Builder().build() |
| |
| preview.setSurfaceProvider( |
| SurfaceTextureProvider.createSurfaceTextureProvider(createSurfaceTextureCallback()) |
| ) |
| |
| cameraProvider.bindToLifecycle( |
| fakeLifecycleOwner, |
| extensionsCameraSelector, |
| preview |
| ) |
| } |
| |
| // Waits for the surface texture being ready |
| assertThat(surfaceTextureLatch.await(10000, TimeUnit.MILLISECONDS)).isTrue() |
| |
| // Waits for 10 frames are collected |
| assertThat(frameReceivedLatch.await(10000, TimeUnit.MILLISECONDS)).isTrue() |
| } |
| |
| @Test |
| fun highResolutionDisabled_whenExtensionsEnabled(): Unit = runBlocking { |
| val preview = Preview.Builder().build() |
| |
| withContext(Dispatchers.Main) { |
| cameraProvider.bindToLifecycle( |
| fakeLifecycleOwner, |
| extensionsCameraSelector, |
| preview) |
| } |
| |
| assertThat(preview.currentConfig.isHigResolutionDisabled(false)).isTrue() |
| } |
| |
| private fun createSurfaceTextureCallback(): SurfaceTextureProvider.SurfaceTextureCallback = |
| object : SurfaceTextureProvider.SurfaceTextureCallback { |
| override fun onSurfaceTextureReady( |
| surfaceTexture: SurfaceTexture, |
| resolution: Size |
| ) { |
| surfaceTexture.attachToGLContext(GLUtil.getTexIdFromGLContext()) |
| surfaceTexture.setOnFrameAvailableListener( |
| onFrameAvailableListener, handler |
| ) |
| surfaceTextureLatch.countDown() |
| } |
| |
| override fun onSafeToRelease(surfaceTexture: SurfaceTexture) { |
| synchronized(isSurfaceTextureReleasedLock) { |
| isSurfaceTextureReleased = true |
| surfaceTexture.release() |
| } |
| } |
| } |
| } |