1 // Copyright 2017 The TensorFlow Authors. All Rights Reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #import <AVFoundation/AVFoundation.h> 16 #import <UIKit/UIKit.h> 17 18 #include <vector> 19 20 #include "tensorflow/contrib/lite/kernels/register.h" 21 #include "tensorflow/contrib/lite/model.h" 22 23 @interface CameraExampleViewController 24 : UIViewController<UIGestureRecognizerDelegate, AVCaptureVideoDataOutputSampleBufferDelegate> { 25 IBOutlet UIView* previewView; 26 AVCaptureVideoPreviewLayer* previewLayer; 27 AVCaptureVideoDataOutput* videoDataOutput; 28 dispatch_queue_t videoDataOutputQueue; 29 UIView* flashView; 30 BOOL isUsingFrontFacingCamera; 31 NSMutableDictionary* oldPredictionValues; 32 NSMutableArray* labelLayers; 33 AVCaptureSession* session; 34 35 std::vector<std::string> labels; 36 std::unique_ptr<tflite::FlatBufferModel> model; 37 tflite::ops::builtin::BuiltinOpResolver resolver; 38 std::unique_ptr<tflite::Interpreter> interpreter; 39 40 double total_latency; 41 int total_count; 42 } 43 @property(strong, nonatomic) CATextLayer* predictionTextLayer; 44 45 - (IBAction)takePicture:(id)sender; 46 - (IBAction)switchCameras:(id)sender; 47 48 @end 49
