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mediapipe/objc/MPPCameraInputSource.h

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+// Copyright 2019 The MediaPipe Authors.
+//
+// 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.
+
+#import <AVFoundation/AVFoundation.h>
+
+#import "mediapipe/objc/MPPInputSource.h"
+
+/// A source that obtains video frames from the camera.
+@interface MPPCameraInputSource : MPPInputSource
+
+/// Whether we are allowed to use the camera.
+@property(nonatomic, getter=isAuthorized, readonly) BOOL authorized;
+
+/// Session preset to use for capturing.
+@property(nonatomic) NSString *sessionPreset;
+
+/// Which camera on an iOS device to use, assuming iOS device with more than one camera.
+@property(nonatomic) AVCaptureDevicePosition cameraPosition;
+
+// Whether to use depth data or not
+@property(nonatomic) BOOL useDepth;
+
+/// Whether to rotate video buffers with device rotation.
+@property(nonatomic) BOOL autoRotateBuffers;
+
+/// The capture session.
+@property(nonatomic, readonly) AVCaptureSession *session;
+
+/// The capture video preview layer.
+@property(nonatomic, readonly) AVCaptureVideoPreviewLayer *videoPreviewLayer;
+
+/// The orientation of camera frame buffers.
+@property(nonatomic) AVCaptureVideoOrientation orientation;
+
+/// Prompts the user to grant camera access and provides the result as a BOOL to a completion
+/// handler. Should be called after [MPPCameraInputSource init] and before
+/// [MPPCameraInputSource start]. If the user has previously granted or denied permission, this
+/// method simply returns the saved response to the permission request.
+- (void)requestCameraAccessWithCompletionHandler:(void (^_Nullable)(BOOL granted))handler;
+
+@end