Adding ViroKit. Needs AWSCore :(

mobile/ios/ViroKit.framework/Headers/VROViewRecorder.h

@@ -0,0 +1,53 @@
+//
+//  VROViewRecorder.h
+//  ViroKit
+//
+//  Created by Raj Advani on 11/28/17.
+//  Copyright © 2017 Viro Media. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import <GLKit/GLKit.h>
+#import <AVFoundation/AVFoundation.h>
+#import <Photos/Photos.h>
+#import <memory>
+
+class VRODriver;
+class VRORenderer;
+
+typedef void (^VROViewRecordingErrorBlock)(NSInteger errorCode);
+typedef void (^VROViewWriteMediaFinishBlock)(BOOL success, NSURL *filePath, NSInteger errorCode);
+
+static NSInteger const kVROViewErrorNone = -1;
+static NSInteger const kVROViewErrorUnknown = 0;
+static NSInteger const kVROViewErrorNoPermissions = 1;
+static NSInteger const kVROViewErrorInitialization = 2;
+static NSInteger const kVROViewErrorWriteToFile = 3;
+static NSInteger const kVROViewErrorAlreadyRunning = 4;
+static NSInteger const kVROViewErrorAlreadyStopped = 5;
+
+static NSString *const kVROViewTempMediaDirectory = @"viro_media";
+static NSString *const kVROViewAudioSuffix = @".m4a";
+static NSString *const kVROViewImageSuffix = @".png";
+static NSString *const kVROViewTempVideoSuffix = @"-temp.mp4";
+static NSString *const kVROViewVideoSuffix = @".mp4";
+
+/*
+ Video recording and screenshot implementation for a GLKView.
+ */
+@interface VROViewRecorder : NSObject
+
+- (id)initWithView:(GLKView *)view
+          renderer:(std::shared_ptr<VRORenderer>)renderer
+            driver:(std::shared_ptr<VRODriver>)driver;
+- (void)deleteGL;
+
+- (void)startVideoRecording:(NSString *)fileName
+           saveToCameraRoll:(BOOL)saveToCamera
+                 errorBlock:(VROViewRecordingErrorBlock)errorBlock;
+- (void)stopVideoRecordingWithHandler:(VROViewWriteMediaFinishBlock)completionHandler;
+- (void)takeScreenshot:(NSString *)fileName
+      saveToCameraRoll:(BOOL)saveToCamera
+ withCompletionHandler:(VROViewWriteMediaFinishBlock)completionHandler;
+
+@end