59 lines
2.2 KiB
Objective-C
59 lines
2.2 KiB
Objective-C
// Copyright 2019 The MediaPipe Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#import <AVFoundation/AVFoundation.h>
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#import "mediapipe/objc/MPPInputSource.h"
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/// A source that obtains video frames from the camera.
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@interface MPPCameraInputSource : MPPInputSource
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/// Whether we are allowed to use the camera.
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@property(nonatomic, getter=isAuthorized, readonly) BOOL authorized;
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/// Session preset to use for capturing.
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@property(nonatomic, nullable) NSString *sessionPreset;
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/// Which camera on an iOS device to use, assuming iOS device with more than one camera.
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@property(nonatomic) AVCaptureDevicePosition cameraPosition;
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// Whether to use depth data or not
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@property(nonatomic) BOOL useDepth;
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/// Whether to rotate video buffers with device rotation.
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@property(nonatomic) BOOL autoRotateBuffers;
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/// Whether to mirror the video or not.
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@property(nonatomic) BOOL videoMirrored;
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/// The camera intrinsic matrix.
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@property(nonatomic, readonly) matrix_float3x3 cameraIntrinsicMatrix;
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/// The capture session.
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@property(nonatomic, readonly) AVCaptureSession *session;
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/// The capture video preview layer.
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@property(nonatomic, readonly) AVCaptureVideoPreviewLayer *videoPreviewLayer;
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/// The orientation of camera frame buffers.
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@property(nonatomic) AVCaptureVideoOrientation orientation;
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/// Prompts the user to grant camera access and provides the result as a BOOL to a completion
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/// handler. Should be called after [MPPCameraInputSource init] and before
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/// [MPPCameraInputSource start]. If the user has previously granted or denied permission, this
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/// method simply returns the saved response to the permission request.
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- (void)requestCameraAccessWithCompletionHandler:(void (^_Nullable)(BOOL granted))handler;
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@end
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