2014 snapchat source code
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//
// SCCameraSettingUtils.h
// Snapchat
//
// Created by Pinlin Chen on 12/09/2017.
//
#import <SCBase/SCMacros.h>
#import <SCCapturerDefines.h>
#import <CoreMedia/CoreMedia.h>
#import <Foundation/Foundation.h>
SC_EXTERN_C_BEGIN
// Return the value if metadata attribute is found; otherwise, return nil
extern NSNumber *retrieveExposureTimeFromEXIFAttachments(CFDictionaryRef exifAttachments);extern NSNumber *retrieveBrightnessFromEXIFAttachments(CFDictionaryRef exifAttachments);extern NSNumber *retrieveISOSpeedRatingFromEXIFAttachments(CFDictionaryRef exifAttachments);extern void retrieveSampleBufferMetadata(CMSampleBufferRef sampleBuffer, SampleBufferMetadata *metadata);
SC_EXTERN_C_END
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