[camerax] Implement video capture for CameraX android camera re-write

packages/camera/camera_android_camerax/CHANGELOG.md

@@ -21,3 +21,4 @@
 * Implements image streaming.
 * Provides LifecycleOwner implementation for Activities that use the plugin that do not implement it themselves.
 * Implements retrieval of camera information.
+* Implements video capture.

packages/camera/camera_android_camerax/android/build.gradle

@@ -66,6 +66,7 @@ dependencies {
     implementation "androidx.camera:camera-core:${camerax_version}"
     implementation "androidx.camera:camera-camera2:${camerax_version}"
     implementation "androidx.camera:camera-lifecycle:${camerax_version}"
+    implementation "androidx.camera:camera-video:${camerax_version}"
     implementation 'com.google.guava:guava:31.1-android'
     testImplementation 'junit:junit:4.13.2'
     testImplementation 'org.mockito:mockito-inline:5.0.0'

packages/camera/camera_android_camerax/android/src/main/java/io/flutter/plugins/camerax/CameraAndroidCameraxPlugin.java

@@ -19,6 +19,9 @@
 public final class CameraAndroidCameraxPlugin implements FlutterPlugin, ActivityAware {
   private InstanceManager instanceManager;
   private FlutterPluginBinding pluginBinding;
+  private PendingRecordingHostApiImpl pendingRecordingHostApiImpl;
+  private RecorderHostApiImpl recorderHostApiImpl;
+  private VideoCaptureHostApiImpl videoCaptureHostApiImpl;
   private ImageAnalysisHostApiImpl imageAnalysisHostApiImpl;
   private ImageCaptureHostApiImpl imageCaptureHostApiImpl;
   public SystemServicesHostApiImpl systemServicesHostApiImpl;
@@ -60,7 +63,8 @@ public void setUp(
         new ProcessCameraProviderHostApiImpl(binaryMessenger, instanceManager, context);
     GeneratedCameraXLibrary.ProcessCameraProviderHostApi.setup(
         binaryMessenger, processCameraProviderHostApiImpl);
-    systemServicesHostApiImpl = new SystemServicesHostApiImpl(binaryMessenger, instanceManager);
+    systemServicesHostApiImpl =
+        new SystemServicesHostApiImpl(binaryMessenger, instanceManager, context);
     GeneratedCameraXLibrary.SystemServicesHostApi.setup(binaryMessenger, systemServicesHostApiImpl);
     GeneratedCameraXLibrary.PreviewHostApi.setup(
         binaryMessenger, new PreviewHostApiImpl(binaryMessenger, instanceManager, textureRegistry));
@@ -73,6 +77,16 @@ public void setUp(
         binaryMessenger, new AnalyzerHostApiImpl(binaryMessenger, instanceManager));
     GeneratedCameraXLibrary.ImageProxyHostApi.setup(
         binaryMessenger, new ImageProxyHostApiImpl(binaryMessenger, instanceManager));
+    GeneratedCameraXLibrary.RecordingHostApi.setup(
+        binaryMessenger, new RecordingHostApiImpl(binaryMessenger, instanceManager));
+    recorderHostApiImpl = new RecorderHostApiImpl(binaryMessenger, instanceManager, context);
+    GeneratedCameraXLibrary.RecorderHostApi.setup(binaryMessenger, recorderHostApiImpl);
+    pendingRecordingHostApiImpl =
+        new PendingRecordingHostApiImpl(binaryMessenger, instanceManager, context);
+    GeneratedCameraXLibrary.PendingRecordingHostApi.setup(
+        binaryMessenger, pendingRecordingHostApiImpl);
+    videoCaptureHostApiImpl = new VideoCaptureHostApiImpl(binaryMessenger, instanceManager);
+    GeneratedCameraXLibrary.VideoCaptureHostApi.setup(binaryMessenger, videoCaptureHostApiImpl);
   }
 
   @Override
@@ -135,6 +149,15 @@ public void updateContext(@NonNull Context context) {
     if (processCameraProviderHostApiImpl != null) {
       processCameraProviderHostApiImpl.setContext(context);
     }
+    if (recorderHostApiImpl != null) {
+      recorderHostApiImpl.setContext(context);
+    }
+    if (pendingRecordingHostApiImpl != null) {
+      pendingRecordingHostApiImpl.setContext(context);
+    }
+    if (systemServicesHostApiImpl != null) {
+      systemServicesHostApiImpl.setContext(context);
+    }
     if (imageCaptureHostApiImpl != null) {
       imageCaptureHostApiImpl.setContext(context);
     }

packages/camera/camera_android_camerax/android/src/main/java/io/flutter/plugins/camerax/CameraXProxy.java

@@ -13,6 +13,7 @@
 import androidx.camera.core.ImageAnalysis;
 import androidx.camera.core.ImageCapture;
 import androidx.camera.core.Preview;
+import androidx.camera.video.Recorder;
 import io.flutter.plugin.common.BinaryMessenger;
 import io.flutter.plugins.camerax.GeneratedCameraXLibrary.ResolutionInfo;
 import java.io.File;
@@ -62,6 +63,13 @@ public SystemServicesFlutterApiImpl createSystemServicesFlutterApiImpl(
     return new SystemServicesFlutterApiImpl(binaryMessenger);
   }
 
+  /** Creates an instance of {@link Recorder.Builder}. */
+  @NonNull
+  public Recorder.Builder createRecorderBuilder() {
+    return new Recorder.Builder();
+  }
+
+  @NonNull
   public ImageCapture.Builder createImageCaptureBuilder() {
     return new ImageCapture.Builder();
   }