1 /* 2 * Copyright 2017 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #import <AVFoundation/AVFoundation.h> 12 #import <CoreMedia/CoreMedia.h> 13 14 NS_ASSUME_NONNULL_BEGIN 15 16 @interface AVCaptureSession (DevicePosition) 17 18 // Check the image's EXIF for the camera the image came from. 19 + (AVCaptureDevicePosition)devicePositionForSampleBuffer:(CMSampleBufferRef)sampleBuffer; 20 21 @end 22 23 NS_ASSUME_NONNULL_END 24