Kevin Hunt
112 lines
4.0 KiB
Objective-C
112 lines
4.0 KiB
Objective-C
//
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// PlaybackHeadersViewController.m
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// AVPlayerHTTPHeaders
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//
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// Created by Kevin Hunt on 2017-01-18.
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// Copyright © 2017 Prophet Studios. All rights reserved.
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//
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#import "PlaybackHeadersViewController.h"
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#import <AVFoundation/AVFoundation.h>
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#import "AVPlayerReverseProxy.h"
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@interface PlaybackHeadersViewController () <UITextFieldDelegate>
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@end
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@implementation PlaybackHeadersViewController {
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AVPlayer *_avPlayer;
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AVPlayerReverseProxy *_playerReverseProxy;
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}
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- (void)viewDidLoad {
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[super viewDidLoad];
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// Do any additional setup after loading the view, typically from a nib.
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_playerReverseProxy = [[AVPlayerReverseProxy alloc] init];
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}
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- (void)didReceiveMemoryWarning {
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[super didReceiveMemoryWarning];
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// Dispose of any resources that can be recreated.
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}
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- (IBAction)playButtonPressed:(id)sender {
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if (_avPlayer != NULL) {
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// Remove observers
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[[NSNotificationCenter defaultCenter] removeObserver:self name:AVPlayerReverseProxyDidReceiveHeadersNotification object:nil];
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// Stop the player first
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[_avPlayer pause];
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_avPlayer = nil;
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// Stop Player Proxy
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[_playerReverseProxy stopPlayerProxy];
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_textView.text = @"";
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}
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// Grab the URL for playback
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NSString *url = _urlTextField.text;
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// Get external domain to be used for the reverse proxy
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NSURL *externalUrl = [NSURL URLWithString:url];
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NSString *externalDomain = [externalUrl host];
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// Set up the reverse proxy by passing it the reverse host and setting the headers as needed
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NSDictionary *httpHeaders = [NSDictionary dictionaryWithObject:@"X-SOME-HEADER" forKey:@"Pragma"];
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[_playerReverseProxy addHttpHeaders:httpHeaders];
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[_playerReverseProxy startPlayerProxyWithReverseProxyHost:externalDomain];
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// Crete observer to receive header info from responses
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handlePlayerProxyReceivedHeadersNotification:) name:AVPlayerReverseProxyDidReceiveHeadersNotification object:nil];
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// Switch the URL with the local host so that it passes through the proxy
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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NSString *customUrl = [url stringByReplacingOccurrencesOfString:externalDomain withString:AVPlayerProxyLocalHost];
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AVURLAsset *urlAsset = [AVURLAsset URLAssetWithURL:[NSURL URLWithString:customUrl] options:nil];
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// Create the player and add it to the playerView
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AVPlayerItem *playerItem = [AVPlayerItem playerItemWithAsset:urlAsset];
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_avPlayer = [AVPlayer playerWithPlayerItem:playerItem];
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AVPlayerLayer* playerLayer = [AVPlayerLayer playerLayerWithPlayer:_avPlayer];
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[playerLayer setBackgroundColor:[UIColor blackColor].CGColor];
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playerLayer.frame = _playerView.bounds;
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playerLayer.videoGravity = AVLayerVideoGravityResizeAspect;
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playerLayer.needsDisplayOnBoundsChange = YES;
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[_playerView.layer addSublayer:playerLayer];
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[_avPlayer play];
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_textView.text = @"Starting Playback";
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}
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- (void)handlePlayerProxyReceivedHeadersNotification:(NSNotification *)notification {
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dispatch_async(dispatch_get_main_queue(), ^{
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// Get headers and corresponding URL from notification
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NSDictionary *httpHeaders = [[notification userInfo] objectForKey:AVPlayerReverseProxyNotificationHeadersKey];
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NSString *requestUrl = [[notification userInfo] objectForKey:AVPlayerReverseProxyNotificationRequestURLKey];
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// Update UI
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NSString *headerText = [NSString stringWithFormat:@"URL: %@\nHeaders:%@\n\n\n", requestUrl, httpHeaders];
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_textView.text = [headerText stringByAppendingString:_textView.text];
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});
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}
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#pragma mark -
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#pragma mark UITextFieldDelegate
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- (BOOL)textFieldShouldReturn:(UITextField *)textField
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{
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[_urlTextField resignFirstResponder];
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return YES;
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}
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- (BOOL)textFieldShouldBeginEditing:(UITextField *)textField {
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return YES;
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}
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@end
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