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Side by Side Diff: webrtc/sdk/objc/Framework/Classes/RTCCameraPreviewView.m

Issue 2890513002: Revert of Split iOS sdk in to separate targets (Closed)
Patch Set: Created 3 years, 7 months ago
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1 /*
2 * Copyright 2015 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 "WebRTC/RTCCameraPreviewView.h"
12
13 #import <AVFoundation/AVFoundation.h>
14 #import <UIKit/UIKit.h>
15
16 #import "RTCDispatcher+Private.h"
17
18 @implementation RTCCameraPreviewView
19
20 @synthesize captureSession = _captureSession;
21
22 + (Class)layerClass {
23 return [AVCaptureVideoPreviewLayer class];
24 }
25
26 - (void)setCaptureSession:(AVCaptureSession *)captureSession {
27 if (_captureSession == captureSession) {
28 return;
29 }
30 _captureSession = captureSession;
31 AVCaptureVideoPreviewLayer *previewLayer = [self previewLayer];
32 [RTCDispatcher dispatchAsyncOnType:RTCDispatcherTypeCaptureSession
33 block:^{
34 previewLayer.session = captureSession;
35 }];
36 }
37
38 - (void)layoutSubviews {
39 [super layoutSubviews];
40
41 // Update the video orientation based on the device orientation.
42 [self setCorrectVideoOrientation];
43 }
44
45 - (void)setCorrectVideoOrientation {
46 // Get current device orientation.
47 UIDeviceOrientation deviceOrientation = [UIDevice currentDevice].orientation;
48 AVCaptureVideoPreviewLayer *previewLayer = [self previewLayer];
49
50 // First check if we are allowed to set the video orientation.
51 if (previewLayer.connection.isVideoOrientationSupported) {
52 // Set the video orientation based on device orientation.
53 if (deviceOrientation == UIInterfaceOrientationPortraitUpsideDown) {
54 previewLayer.connection.videoOrientation =
55 AVCaptureVideoOrientationPortraitUpsideDown;
56 } else if (deviceOrientation == UIInterfaceOrientationLandscapeRight) {
57 previewLayer.connection.videoOrientation =
58 AVCaptureVideoOrientationLandscapeRight;
59 } else if (deviceOrientation == UIInterfaceOrientationLandscapeLeft) {
60 previewLayer.connection.videoOrientation =
61 AVCaptureVideoOrientationLandscapeLeft;
62 } else {
63 previewLayer.connection.videoOrientation =
64 AVCaptureVideoOrientationPortrait;
65 }
66 }
67 }
68
69 #pragma mark - Private
70
71 - (AVCaptureVideoPreviewLayer *)previewLayer {
72 return (AVCaptureVideoPreviewLayer *)self.layer;
73 }
74
75 @end
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