699 lines
23 KiB
Objective-C
699 lines
23 KiB
Objective-C
#import "RCTConvert.h"
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#import "RCTVideo.h"
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#import "RCTBridgeModule.h"
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#import "RCTEventDispatcher.h"
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#import "UIView+React.h"
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static NSString *const statusKeyPath = @"status";
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static NSString *const playbackLikelyToKeepUpKeyPath = @"playbackLikelyToKeepUp";
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static NSString *const playbackBufferEmptyKeyPath = @"playbackBufferEmpty";
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static NSString *const readyForDisplayKeyPath = @"readyForDisplay";
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static NSString *const playbackRate = @"rate";
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@implementation RCTVideo
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{
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AVPlayer *_player;
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AVPlayerItem *_playerItem;
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BOOL _playerItemObserversSet;
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BOOL _playerBufferEmpty;
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AVPlayerLayer *_playerLayer;
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AVPlayerViewController *_playerViewController;
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NSURL *_videoURL;
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/* Required to publish events */
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RCTEventDispatcher *_eventDispatcher;
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BOOL _playbackRateObserverRegistered;
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bool _pendingSeek;
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float _pendingSeekTime;
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float _lastSeekTime;
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/* For sending videoProgress events */
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Float64 _progressUpdateInterval;
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BOOL _controls;
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id _timeObserver;
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/* Keep track of any modifiers, need to be applied after each play */
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float _volume;
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float _rate;
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BOOL _muted;
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BOOL _paused;
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BOOL _repeat;
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BOOL _playbackStalled;
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NSString * _resizeMode;
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BOOL _fullscreenPlayerPresented;
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UIViewController * _presentingViewController;
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}
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- (instancetype)initWithEventDispatcher:(RCTEventDispatcher *)eventDispatcher
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{
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if ((self = [super init])) {
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_eventDispatcher = eventDispatcher;
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_playbackRateObserverRegistered = NO;
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_playbackStalled = NO;
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_rate = 1.0;
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_volume = 1.0;
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_resizeMode = @"AVLayerVideoGravityResizeAspectFill";
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_pendingSeek = false;
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_pendingSeekTime = 0.0f;
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_lastSeekTime = 0.0f;
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_progressUpdateInterval = 250;
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_controls = NO;
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_playerBufferEmpty = YES;
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(applicationWillResignActive:)
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name:UIApplicationWillResignActiveNotification
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object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(applicationWillEnterForeground:)
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name:UIApplicationWillEnterForegroundNotification
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object:nil];
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}
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return self;
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}
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- (AVPlayerViewController*)createPlayerViewController:(AVPlayer*)player withPlayerItem:(AVPlayerItem*)playerItem {
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RCTVideoPlayerViewController* playerLayer= [[RCTVideoPlayerViewController alloc] init];
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playerLayer.showsPlaybackControls = NO;
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playerLayer.rctDelegate = self;
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playerLayer.view.frame = self.bounds;
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playerLayer.player = _player;
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playerLayer.view.frame = self.bounds;
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return playerLayer;
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}
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/* ---------------------------------------------------------
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** Get the duration for a AVPlayerItem.
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** ------------------------------------------------------- */
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- (CMTime)playerItemDuration
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{
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AVPlayerItem *playerItem = [_player currentItem];
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if (playerItem.status == AVPlayerItemStatusReadyToPlay)
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{
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return([playerItem duration]);
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}
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return(kCMTimeInvalid);
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}
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/* Cancels the previously registered time observer. */
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-(void)removePlayerTimeObserver
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{
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if (_timeObserver)
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{
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[_player removeTimeObserver:_timeObserver];
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_timeObserver = nil;
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}
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}
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#pragma mark - Progress
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- (void)dealloc
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{
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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}
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#pragma mark - App lifecycle handlers
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- (void)applicationWillResignActive:(NSNotification *)notification
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{
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if (!_paused) {
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[_player pause];
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[_player setRate:0.0];
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}
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}
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- (void)applicationWillEnterForeground:(NSNotification *)notification
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{
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[self applyModifiers];
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}
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#pragma mark - Progress
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- (void)sendProgressUpdate
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{
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AVPlayerItem *video = [_player currentItem];
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if (video == nil || video.status != AVPlayerItemStatusReadyToPlay) {
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return;
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}
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CMTime playerDuration = [self playerItemDuration];
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if (CMTIME_IS_INVALID(playerDuration)) {
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return;
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}
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CMTime currentTime = _player.currentTime;
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const Float64 duration = CMTimeGetSeconds(playerDuration);
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const Float64 currentTimeSecs = CMTimeGetSeconds(currentTime);
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if( currentTimeSecs >= 0 && currentTimeSecs <= duration) {
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[_eventDispatcher sendInputEventWithName:@"onVideoProgress"
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body:@{
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@"currentTime": [NSNumber numberWithFloat:CMTimeGetSeconds(currentTime)],
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@"playableDuration": [self calculatePlayableDuration],
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@"atValue": [NSNumber numberWithLongLong:currentTime.value],
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@"atTimescale": [NSNumber numberWithInt:currentTime.timescale],
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@"target": self.reactTag
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}];
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}
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}
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/*!
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* Calculates and returns the playable duration of the current player item using its loaded time ranges.
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*
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* \returns The playable duration of the current player item in seconds.
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*/
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- (NSNumber *)calculatePlayableDuration
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{
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AVPlayerItem *video = _player.currentItem;
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if (video.status == AVPlayerItemStatusReadyToPlay) {
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__block CMTimeRange effectiveTimeRange;
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[video.loadedTimeRanges enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
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CMTimeRange timeRange = [obj CMTimeRangeValue];
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if (CMTimeRangeContainsTime(timeRange, video.currentTime)) {
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effectiveTimeRange = timeRange;
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*stop = YES;
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}
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}];
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Float64 playableDuration = CMTimeGetSeconds(CMTimeRangeGetEnd(effectiveTimeRange));
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if (playableDuration > 0) {
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return [NSNumber numberWithFloat:playableDuration];
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}
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}
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return [NSNumber numberWithInteger:0];
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}
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- (void)addPlayerItemObservers
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{
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[_playerItem addObserver:self forKeyPath:statusKeyPath options:0 context:nil];
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[_playerItem addObserver:self forKeyPath:playbackBufferEmptyKeyPath options:0 context:nil];
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[_playerItem addObserver:self forKeyPath:playbackLikelyToKeepUpKeyPath options:0 context:nil];
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_playerItemObserversSet = YES;
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}
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/* Fixes https://github.com/brentvatne/react-native-video/issues/43
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* Crashes caused when trying to remove the observer when there is no
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* observer set */
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- (void)removePlayerItemObservers
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{
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if (_playerItemObserversSet) {
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[_playerItem removeObserver:self forKeyPath:statusKeyPath];
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[_playerItem removeObserver:self forKeyPath:playbackBufferEmptyKeyPath];
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[_playerItem removeObserver:self forKeyPath:playbackLikelyToKeepUpKeyPath];
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_playerItemObserversSet = NO;
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}
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}
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#pragma mark - Player and source
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- (void)setSrc:(NSDictionary *)source
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{
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[self removePlayerTimeObserver];
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[self removePlayerItemObservers];
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_playerItem = [self playerItemForSource:source];
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[self addPlayerItemObservers];
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[_player pause];
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[self removePlayerLayer];
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[_playerViewController.view removeFromSuperview];
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_playerViewController = nil;
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_player = [AVPlayer playerWithPlayerItem:_playerItem];
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_player.actionAtItemEnd = AVPlayerActionAtItemEndNone;
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if (_playbackRateObserverRegistered) {
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[_player removeObserver:self forKeyPath:playbackRate context:nil];
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_playbackRateObserverRegistered = NO;
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}
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[_player addObserver:self forKeyPath:playbackRate options:0 context:nil];
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_playbackRateObserverRegistered = YES;
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const Float64 progressUpdateIntervalMS = _progressUpdateInterval / 1000;
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// @see endScrubbing in AVPlayerDemoPlaybackViewController.m of https://developer.apple.com/library/ios/samplecode/AVPlayerDemo/Introduction/Intro.html
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__weak RCTVideo *weakSelf = self;
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_timeObserver = [_player addPeriodicTimeObserverForInterval:CMTimeMakeWithSeconds(progressUpdateIntervalMS, NSEC_PER_SEC)
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queue:NULL
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usingBlock:^(CMTime time) { [weakSelf sendProgressUpdate]; }
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];
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[_eventDispatcher sendInputEventWithName:@"onVideoLoadStart"
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body:@{@"src": @{
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@"uri": [source objectForKey:@"uri"],
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@"type": [source objectForKey:@"type"],
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@"isNetwork":[NSNumber numberWithBool:(bool)[source objectForKey:@"isNetwork"]]},
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@"target": self.reactTag}];
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}
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- (AVPlayerItem*)playerItemForSource:(NSDictionary *)source
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{
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bool isNetwork = [RCTConvert BOOL:[source objectForKey:@"isNetwork"]];
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bool isAsset = [RCTConvert BOOL:[source objectForKey:@"isAsset"]];
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NSString *uri = [source objectForKey:@"uri"];
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NSString *type = [source objectForKey:@"type"];
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NSURL *url = (isNetwork || isAsset) ?
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[NSURL URLWithString:uri] :
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[[NSURL alloc] initFileURLWithPath:[[NSBundle mainBundle] pathForResource:uri ofType:type]];
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if (isAsset) {
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AVURLAsset *asset = [AVURLAsset URLAssetWithURL:url options:nil];
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return [AVPlayerItem playerItemWithAsset:asset];
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}
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return [AVPlayerItem playerItemWithURL:url];
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}
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- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
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{
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if (object == _playerItem) {
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if ([keyPath isEqualToString:statusKeyPath]) {
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// Handle player item status change.
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if (_playerItem.status == AVPlayerItemStatusReadyToPlay) {
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float duration = CMTimeGetSeconds(_playerItem.asset.duration);
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if (isnan(duration)) {
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duration = 0.0;
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}
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NSObject *width = @"undefined";
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NSObject *height = @"undefined";
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NSString *orientation = @"undefined";
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if ([_playerItem.asset tracksWithMediaType:AVMediaTypeVideo].count > 0) {
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AVAssetTrack *videoTrack = [[_playerItem.asset tracksWithMediaType:AVMediaTypeVideo] objectAtIndex:0];
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width = [NSNumber numberWithFloat:videoTrack.naturalSize.width];
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height = [NSNumber numberWithFloat:videoTrack.naturalSize.height];
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CGAffineTransform preferredTransform = [videoTrack preferredTransform];
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if ((videoTrack.naturalSize.width == preferredTransform.tx
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&& videoTrack.naturalSize.height == preferredTransform.ty)
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|| (preferredTransform.tx == 0 && preferredTransform.ty == 0))
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{
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orientation = @"landscape";
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} else
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orientation = @"portrait";
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}
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[_eventDispatcher sendInputEventWithName:@"onVideoLoad"
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body:@{@"duration": [NSNumber numberWithFloat:duration],
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@"currentTime": [NSNumber numberWithFloat:CMTimeGetSeconds(_playerItem.currentTime)],
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@"canPlayReverse": [NSNumber numberWithBool:_playerItem.canPlayReverse],
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@"canPlayFastForward": [NSNumber numberWithBool:_playerItem.canPlayFastForward],
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@"canPlaySlowForward": [NSNumber numberWithBool:_playerItem.canPlaySlowForward],
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@"canPlaySlowReverse": [NSNumber numberWithBool:_playerItem.canPlaySlowReverse],
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@"canStepBackward": [NSNumber numberWithBool:_playerItem.canStepBackward],
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@"canStepForward": [NSNumber numberWithBool:_playerItem.canStepForward],
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@"naturalSize": @{
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@"width": width,
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@"height": height,
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@"orientation": orientation
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},
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@"target": self.reactTag}];
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[self attachListeners];
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[self applyModifiers];
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} else if(_playerItem.status == AVPlayerItemStatusFailed) {
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[_eventDispatcher sendInputEventWithName:@"onVideoError"
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body:@{@"error": @{
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@"code": [NSNumber numberWithInteger: _playerItem.error.code],
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@"domain": _playerItem.error.domain},
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@"target": self.reactTag}];
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}
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} else if ([keyPath isEqualToString:playbackBufferEmptyKeyPath]) {
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_playerBufferEmpty = YES;
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} else if ([keyPath isEqualToString:playbackLikelyToKeepUpKeyPath]) {
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// Continue playing (or not if paused) after being paused due to hitting an unbuffered zone.
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if ((!_controls || _playerBufferEmpty) && _playerItem.playbackLikelyToKeepUp) {
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[self setPaused:_paused];
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}
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_playerBufferEmpty = NO;
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}
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} else if (object == _playerLayer) {
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if([keyPath isEqualToString:readyForDisplayKeyPath] && [change objectForKey:NSKeyValueChangeNewKey]) {
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if([change objectForKey:NSKeyValueChangeNewKey]) {
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[_eventDispatcher sendInputEventWithName:@"onReadyForDisplay"
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body:@{@"target": self.reactTag}];
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}
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}
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} else if (object == _player) {
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if([keyPath isEqualToString:playbackRate]) {
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[_eventDispatcher sendInputEventWithName:@"onPlaybackRateChange"
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body:@{@"playbackRate": [NSNumber numberWithFloat:_player.rate],
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@"target": self.reactTag}];
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if(_playbackStalled && _player.rate > 0) {
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[_eventDispatcher sendInputEventWithName:@"onPlaybackResume"
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body:@{@"playbackRate": [NSNumber numberWithFloat:_player.rate],
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@"target": self.reactTag}];
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_playbackStalled = NO;
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}
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}
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} else {
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[super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
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}
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}
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- (void)attachListeners
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{
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// listen for end of file
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(playerItemDidReachEnd:)
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name:AVPlayerItemDidPlayToEndTimeNotification
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object:[_player currentItem]];
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(playbackStalled:)
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name:AVPlayerItemPlaybackStalledNotification
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object:nil];
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}
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- (void)playbackStalled:(NSNotification *)notification
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{
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[_eventDispatcher sendInputEventWithName:@"onPlaybackStalled" body:@{@"target": self.reactTag}];
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_playbackStalled = YES;
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}
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- (void)playerItemDidReachEnd:(NSNotification *)notification
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{
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[_eventDispatcher sendInputEventWithName:@"onVideoEnd" body:@{@"target": self.reactTag}];
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if (_repeat) {
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AVPlayerItem *item = [notification object];
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[item seekToTime:kCMTimeZero];
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[self applyModifiers];
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}
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}
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#pragma mark - Prop setters
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- (void)setResizeMode:(NSString*)mode
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{
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if( _controls )
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{
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_playerViewController.videoGravity = mode;
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}
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else
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{
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_playerLayer.videoGravity = mode;
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}
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_resizeMode = mode;
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}
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- (void)setPaused:(BOOL)paused
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{
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if (paused) {
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[_player pause];
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[_player setRate:0.0];
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} else {
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[_player play];
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[_player setRate:_rate];
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}
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_paused = paused;
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}
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- (float)getCurrentTime
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{
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return _playerItem != NULL ? CMTimeGetSeconds(_playerItem.currentTime) : 0;
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}
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- (void)setCurrentTime:(float)currentTime
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{
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[self setSeek: currentTime];
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}
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- (void)setSeek:(float)seekTime
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{
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int timeScale = 10000;
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AVPlayerItem *item = _player.currentItem;
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if (item && item.status == AVPlayerItemStatusReadyToPlay) {
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// TODO check loadedTimeRanges
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CMTime cmSeekTime = CMTimeMakeWithSeconds(seekTime, timeScale);
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CMTime current = item.currentTime;
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// TODO figure out a good tolerance level
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CMTime tolerance = CMTimeMake(1000, timeScale);
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if (CMTimeCompare(current, cmSeekTime) != 0) {
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[_player seekToTime:cmSeekTime toleranceBefore:tolerance toleranceAfter:tolerance completionHandler:^(BOOL finished) {
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[_eventDispatcher sendInputEventWithName:@"onVideoSeek"
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body:@{@"currentTime": [NSNumber numberWithFloat:CMTimeGetSeconds(item.currentTime)],
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@"seekTime": [NSNumber numberWithFloat:seekTime],
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@"target": self.reactTag}];
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}];
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_pendingSeek = false;
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}
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} else {
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// TODO: See if this makes sense and if so, actually implement it
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_pendingSeek = true;
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_pendingSeekTime = seekTime;
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}
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}
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- (void)setRate:(float)rate
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{
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_rate = rate;
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[self applyModifiers];
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}
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- (void)setMuted:(BOOL)muted
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{
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_muted = muted;
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[self applyModifiers];
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}
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- (void)setVolume:(float)volume
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{
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_volume = volume;
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[self applyModifiers];
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}
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- (void)applyModifiers
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{
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if (_muted) {
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[_player setVolume:0];
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[_player setMuted:YES];
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} else {
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[_player setVolume:_volume];
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[_player setMuted:NO];
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}
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[self setResizeMode:_resizeMode];
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[self setRepeat:_repeat];
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[self setPaused:_paused];
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[self setControls:_controls];
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}
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- (void)setRepeat:(BOOL)repeat {
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_repeat = repeat;
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}
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- (BOOL)getFullscreen
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{
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return _fullscreenPlayerPresented;
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}
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- (void)setFullscreen:(BOOL)fullscreen
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{
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if( fullscreen && !_fullscreenPlayerPresented )
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{
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// Ensure player view controller is not null
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if( !_playerViewController )
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{
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[self usePlayerViewController];
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}
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// Set presentation style to fullscreen
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[_playerViewController setModalPresentationStyle:UIModalPresentationFullScreen];
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// Find the nearest view controller
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UIViewController *viewController = [self firstAvailableUIViewController];
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if( !viewController )
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{
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UIWindow *keyWindow = [[UIApplication sharedApplication] keyWindow];
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viewController = keyWindow.rootViewController;
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if( viewController.childViewControllers.count > 0 )
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{
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viewController = viewController.childViewControllers.lastObject;
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}
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}
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if( viewController )
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{
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_presentingViewController = viewController;
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[_eventDispatcher sendInputEventWithName:@"onVideoFullscreenPlayerWillPresent" body:@{@"target": self.reactTag}];
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[viewController presentViewController:_playerViewController animated:true completion:^{
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_playerViewController.showsPlaybackControls = YES;
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_fullscreenPlayerPresented = fullscreen;
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[_eventDispatcher sendInputEventWithName:@"onVideoFullscreenPlayerDidPresent" body:@{@"target": self.reactTag}];
|
|
}];
|
|
}
|
|
}
|
|
else if ( !fullscreen && _fullscreenPlayerPresented )
|
|
{
|
|
[self videoPlayerViewControllerWillDismiss:_playerViewController];
|
|
[_presentingViewController dismissViewControllerAnimated:true completion:^{
|
|
[self videoPlayerViewControllerDidDismiss:_playerViewController];
|
|
}];
|
|
}
|
|
}
|
|
|
|
- (void)usePlayerViewController
|
|
{
|
|
if( _player )
|
|
{
|
|
_playerViewController = [self createPlayerViewController:_player withPlayerItem:_playerItem];
|
|
[self addSubview:_playerViewController.view];
|
|
}
|
|
}
|
|
|
|
- (void)usePlayerLayer
|
|
{
|
|
if( _player )
|
|
{
|
|
_playerLayer = [AVPlayerLayer playerLayerWithPlayer:_player];
|
|
_playerLayer.frame = self.bounds;
|
|
_playerLayer.needsDisplayOnBoundsChange = YES;
|
|
|
|
[_playerLayer addObserver:self forKeyPath:readyForDisplayKeyPath options:NSKeyValueObservingOptionNew context:nil];
|
|
|
|
[self.layer addSublayer:_playerLayer];
|
|
self.layer.needsDisplayOnBoundsChange = YES;
|
|
}
|
|
}
|
|
|
|
- (void)setControls:(BOOL)controls
|
|
{
|
|
if( _controls != controls || (!_playerLayer && !_playerViewController) )
|
|
{
|
|
_controls = controls;
|
|
if( _controls )
|
|
{
|
|
[self removePlayerLayer];
|
|
[self usePlayerViewController];
|
|
}
|
|
else
|
|
{
|
|
[_playerViewController.view removeFromSuperview];
|
|
_playerViewController = nil;
|
|
[self usePlayerLayer];
|
|
}
|
|
}
|
|
}
|
|
|
|
- (void)removePlayerLayer
|
|
{
|
|
[_playerLayer removeFromSuperlayer];
|
|
[_playerLayer removeObserver:self forKeyPath:readyForDisplayKeyPath];
|
|
_playerLayer = nil;
|
|
}
|
|
|
|
#pragma mark - RCTVideoPlayerViewControllerDelegate
|
|
|
|
- (void)videoPlayerViewControllerWillDismiss:(AVPlayerViewController *)playerViewController
|
|
{
|
|
if (_playerViewController == playerViewController && _fullscreenPlayerPresented)
|
|
{
|
|
[_eventDispatcher sendInputEventWithName:@"onVideoFullscreenPlayerWillDismiss" body:@{@"target": self.reactTag}];
|
|
}
|
|
}
|
|
|
|
- (void)videoPlayerViewControllerDidDismiss:(AVPlayerViewController *)playerViewController
|
|
{
|
|
if (_playerViewController == playerViewController && _fullscreenPlayerPresented)
|
|
{
|
|
_fullscreenPlayerPresented = false;
|
|
_presentingViewController = nil;
|
|
[self applyModifiers];
|
|
[_eventDispatcher sendInputEventWithName:@"onVideoFullscreenPlayerDidDismiss" body:@{@"target": self.reactTag}];
|
|
}
|
|
}
|
|
|
|
#pragma mark - React View Management
|
|
|
|
- (void)insertReactSubview:(UIView *)view atIndex:(NSInteger)atIndex
|
|
{
|
|
// We are early in the game and somebody wants to set a subview.
|
|
// That can only be in the context of playerViewController.
|
|
if( !_controls && !_playerLayer && !_playerViewController )
|
|
{
|
|
[self setControls:true];
|
|
}
|
|
|
|
if( _controls )
|
|
{
|
|
view.frame = self.bounds;
|
|
[_playerViewController.contentOverlayView insertSubview:view atIndex:atIndex];
|
|
}
|
|
else
|
|
{
|
|
RCTLogError(@"video cannot have any subviews");
|
|
}
|
|
return;
|
|
}
|
|
|
|
- (void)removeReactSubview:(UIView *)subview
|
|
{
|
|
if( _controls )
|
|
{
|
|
[subview removeFromSuperview];
|
|
}
|
|
else
|
|
{
|
|
RCTLogError(@"video cannot have any subviews");
|
|
}
|
|
return;
|
|
}
|
|
|
|
- (void)layoutSubviews
|
|
{
|
|
[super layoutSubviews];
|
|
if( _controls )
|
|
{
|
|
_playerViewController.view.frame = self.bounds;
|
|
|
|
// also adjust all subviews of contentOverlayView
|
|
for (UIView* subview in _playerViewController.contentOverlayView.subviews) {
|
|
subview.frame = self.bounds;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
[CATransaction begin];
|
|
[CATransaction setAnimationDuration:0];
|
|
_playerLayer.frame = self.bounds;
|
|
[CATransaction commit];
|
|
}
|
|
}
|
|
|
|
#pragma mark - Lifecycle
|
|
|
|
- (void)removeFromSuperview
|
|
{
|
|
[_player pause];
|
|
if (_playbackRateObserverRegistered) {
|
|
[_player removeObserver:self forKeyPath:playbackRate context:nil];
|
|
_playbackRateObserverRegistered = NO;
|
|
}
|
|
_player = nil;
|
|
|
|
[self removePlayerLayer];
|
|
|
|
[_playerViewController.view removeFromSuperview];
|
|
_playerViewController = nil;
|
|
|
|
[self removePlayerTimeObserver];
|
|
[self removePlayerItemObservers];
|
|
|
|
_eventDispatcher = nil;
|
|
[[NSNotificationCenter defaultCenter] removeObserver:self];
|
|
|
|
[super removeFromSuperview];
|
|
}
|
|
|
|
@end
|