#import <React/RCTConvert.h>
#import "RCTVideo.h"
#import <React/RCTBridgeModule.h>
#import <React/RCTEventDispatcher.h>
#import <React/UIView+React.h>
#include <MediaAccessibility/MediaAccessibility.h>
#include <AVFoundation/AVFoundation.h>
static NSString *const statusKeyPath = @"status";
static NSString *const playbackLikelyToKeepUpKeyPath = @"playbackLikelyToKeepUp";
static NSString *const playbackBufferEmptyKeyPath = @"playbackBufferEmpty";
static NSString *const readyForDisplayKeyPath = @"readyForDisplay";
static NSString *const playbackRate = @"rate";
static NSString *const timedMetadata = @"timedMetadata";
@implementation RCTVideo
{
AVPlayer *_player;
AVPlayerItem *_playerItem;
BOOL _playerItemObserversSet;
BOOL _playerBufferEmpty;
AVPlayerLayer *_playerLayer;
BOOL _playerLayerObserverSet;
AVPlayerViewController *_playerViewController;
NSURL *_videoURL;
/* Required to publish events */
RCTEventDispatcher *_eventDispatcher;
BOOL _playbackRateObserverRegistered;
BOOL _videoLoadStarted;
bool _pendingSeek;
float _pendingSeekTime;
float _lastSeekTime;
/* For sending videoProgress events */
Float64 _progressUpdateInterval;
BOOL _controls;
id _timeObserver;
/* Keep track of any modifiers, need to be applied after each play */
float _volume;
float _rate;
BOOL _muted;
BOOL _paused;
BOOL _repeat;
BOOL _allowsExternalPlayback;
NSArray * _textTracks;
NSDictionary * _selectedTextTrack;
BOOL _playbackStalled;
BOOL _playInBackground;
BOOL _playWhenInactive;
NSString * _ignoreSilentSwitch;
NSString * _resizeMode;
BOOL _fullscreenPlayerPresented;
UIViewController * _presentingViewController;
}
- (instancetype)initWithEventDispatcher:(RCTEventDispatcher *)eventDispatcher
{
if ((self = [super init])) {
_eventDispatcher = eventDispatcher;
_playbackRateObserverRegistered = NO;
_playbackStalled = NO;
_rate = 1.0;
_volume = 1.0;
_resizeMode = @"AVLayerVideoGravityResizeAspectFill";
_pendingSeek = false;
_pendingSeekTime = 0.0f;
_lastSeekTime = 0.0f;
_progressUpdateInterval = 250;
_controls = NO;
_playerBufferEmpty = YES;
_playInBackground = false;
_allowsExternalPlayback = YES;
_playWhenInactive = false;
_ignoreSilentSwitch = @"inherit"; // inherit, ignore, obey
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(applicationWillResignActive:)
name:UIApplicationWillResignActiveNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(applicationDidEnterBackground:)
name:UIApplicationDidEnterBackgroundNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(applicationWillEnterForeground:)
name:UIApplicationWillEnterForegroundNotification
object:nil];
}
return self;
}
- (AVPlayerViewController*)createPlayerViewController:(AVPlayer*)player withPlayerItem:(AVPlayerItem*)playerItem {
RCTVideoPlayerViewController* playerLayer= [[RCTVideoPlayerViewController alloc] init];
playerLayer.showsPlaybackControls = YES;
playerLayer.rctDelegate = self;
playerLayer.view.frame = self.bounds;
playerLayer.player = player;
playerLayer.view.frame = self.bounds;
return playerLayer;
}
/* ---------------------------------------------------------
** Get the duration for a AVPlayerItem.
** ------------------------------------------------------- */
- (CMTime)playerItemDuration
{
AVPlayerItem *playerItem = [_player currentItem];
if (playerItem.status == AVPlayerItemStatusReadyToPlay)
{
return([playerItem duration]);
}
return(kCMTimeInvalid);
}
- (CMTimeRange)playerItemSeekableTimeRange
{
AVPlayerItem *playerItem = [_player currentItem];
if (playerItem.status == AVPlayerItemStatusReadyToPlay)
{
return [playerItem seekableTimeRanges].firstObject.CMTimeRangeValue;
}
return (kCMTimeRangeZero);
}
-(void)addPlayerTimeObserver
{
const Float64 progressUpdateIntervalMS = _progressUpdateInterval / 1000;
// @see endScrubbing in AVPlayerDemoPlaybackViewController.m
// of https://developer.apple.com/library/ios/samplecode/AVPlayerDemo/Introduction/Intro.html
__weak RCTVideo *weakSelf = self;
_timeObserver = [_player addPeriodicTimeObserverForInterval:CMTimeMakeWithSeconds(progressUpdateIntervalMS, NSEC_PER_SEC)
queue:NULL
usingBlock:^(CMTime time) { [weakSelf sendProgressUpdate]; }
];
}
/* Cancels the previously registered time observer. */
-(void)removePlayerTimeObserver
{
if (_timeObserver)
{
[_player removeTimeObserver:_timeObserver];
_timeObserver = nil;
}
}
#pragma mark - Progress
- (void)dealloc
{
[[NSNotificationCenter defaultCenter] removeObserver:self];
[self removePlayerLayer];
[self removePlayerItemObservers];
[_player removeObserver:self forKeyPath:playbackRate context:nil];
}
#pragma mark - App lifecycle handlers
- (void)applicationWillResignActive:(NSNotification *)notification
{
if (_playInBackground || _playWhenInactive || _paused) return;
[_player pause];
[_player setRate:0.0];
}
- (void)applicationDidEnterBackground:(NSNotification *)notification
{
if (_playInBackground) {
// Needed to play sound in background. See https://developer.apple.com/library/ios/qa/qa1668/_index.html
[_playerLayer setPlayer:nil];
}
}
- (void)applicationWillEnterForeground:(NSNotification *)notification
{
[self applyModifiers];
if (_playInBackground) {
[_playerLayer setPlayer:_player];
}
}
#pragma mark - Progress
- (void)sendProgressUpdate
{
AVPlayerItem *video = [_player currentItem];
if (video == nil || video.status != AVPlayerItemStatusReadyToPlay) {
return;
}
CMTime playerDuration = [self playerItemDuration];
if (CMTIME_IS_INVALID(playerDuration)) {
return;
}
CMTime currentTime = _player.currentTime;
const Float64 duration = CMTimeGetSeconds(playerDuration);
const Float64 currentTimeSecs = CMTimeGetSeconds(currentTime);
[[NSNotificationCenter defaultCenter] postNotificationName:@"RCTVideo_progress" object:nil userInfo:@{@"progress": [NSNumber numberWithDouble: currentTimeSecs / duration]}];
if( currentTimeSecs >= 0 && self.onVideoProgress) {
self.onVideoProgress(@{
@"currentTime": [NSNumber numberWithFloat:CMTimeGetSeconds(currentTime)],
@"playableDuration": [self calculatePlayableDuration],
@"atValue": [NSNumber numberWithLongLong:currentTime.value],
@"atTimescale": [NSNumber numberWithInt:currentTime.timescale],
@"target": self.reactTag,
@"seekableDuration": [self calculateSeekableDuration],
});
}
}
/*!
* Calculates and returns the playable duration of the current player item using its loaded time ranges.
*
* \returns The playable duration of the current player item in seconds.
*/
- (NSNumber *)calculatePlayableDuration
{
AVPlayerItem *video = _player.currentItem;
if (video.status == AVPlayerItemStatusReadyToPlay) {
__block CMTimeRange effectiveTimeRange;
[video.loadedTimeRanges enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
CMTimeRange timeRange = [obj CMTimeRangeValue];
if (CMTimeRangeContainsTime(timeRange, video.currentTime)) {
effectiveTimeRange = timeRange;
*stop = YES;
}
}];
Float64 playableDuration = CMTimeGetSeconds(CMTimeRangeGetEnd(effectiveTimeRange));
if (playableDuration > 0) {
return [NSNumber numberWithFloat:playableDuration];
}
}
return [NSNumber numberWithInteger:0];
}
- (NSNumber *)calculateSeekableDuration
{
CMTimeRange timeRange = [self playerItemSeekableTimeRange];
if (CMTIME_IS_NUMERIC(timeRange.duration))
{
return [NSNumber numberWithFloat:CMTimeGetSeconds(timeRange.duration)];
}
return [NSNumber numberWithInteger:0];
}
- (void)addPlayerItemObservers
{
[_playerItem addObserver:self forKeyPath:statusKeyPath options:0 context:nil];
[_playerItem addObserver:self forKeyPath:playbackBufferEmptyKeyPath options:0 context:nil];
[_playerItem addObserver:self forKeyPath:playbackLikelyToKeepUpKeyPath options:0 context:nil];
[_playerItem addObserver:self forKeyPath:timedMetadata options:NSKeyValueObservingOptionNew context:nil];
_playerItemObserversSet = YES;
}
/* Fixes https://github.com/brentvatne/react-native-video/issues/43
* Crashes caused when trying to remove the observer when there is no
* observer set */
- (void)removePlayerItemObservers
{
if (_playerItemObserversSet) {
[_playerItem removeObserver:self forKeyPath:statusKeyPath];
[_playerItem removeObserver:self forKeyPath:playbackBufferEmptyKeyPath];
[_playerItem removeObserver:self forKeyPath:playbackLikelyToKeepUpKeyPath];
[_playerItem removeObserver:self forKeyPath:timedMetadata];
_playerItemObserversSet = NO;
}
}
#pragma mark - Player and source
- (void)setSrc:(NSDictionary *)source
{
[self removePlayerLayer];
[self removePlayerTimeObserver];
[self removePlayerItemObservers];
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
// perform on next run loop, otherwise other passed react-props may not be set
_playerItem = [self playerItemForSource:source];
[self addPlayerItemObservers];
[_player pause];
[_playerViewController.view removeFromSuperview];
_playerViewController = nil;
if (_playbackRateObserverRegistered) {
[_player removeObserver:self forKeyPath:playbackRate context:nil];
_playbackRateObserverRegistered = NO;
}
_player = [AVPlayer playerWithPlayerItem:_playerItem];
_player.actionAtItemEnd = AVPlayerActionAtItemEndNone;
[_player addObserver:self forKeyPath:playbackRate options:0 context:nil];
_playbackRateObserverRegistered = YES;
[self addPlayerTimeObserver];
//Perform on next run loop, otherwise onVideoLoadStart is nil
if(self.onVideoLoadStart) {
id uri = [source objectForKey:@"uri"];
id type = [source objectForKey:@"type"];
self.onVideoLoadStart(@{@"src": @{
@"uri": uri ? uri : [NSNull null],
@"type": type ? type : [NSNull null],
@"isNetwork": [NSNumber numberWithBool:(bool)[source objectForKey:@"isNetwork"]]},
@"target": self.reactTag
});
}
});
_videoLoadStarted = YES;
}
- (NSURL*) urlFilePath:(NSString*) filepath {
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString* relativeFilePath = [filepath lastPathComponent];
// the file may be multiple levels below the documents directory
NSArray* fileComponents = [filepath componentsSeparatedByString:@"Documents/"];
if (fileComponents.count>1) {
relativeFilePath = [fileComponents objectAtIndex:1];
}
NSString *path = [paths.firstObject stringByAppendingPathComponent:relativeFilePath];
if ([[NSFileManager defaultManager] fileExistsAtPath:path]) {
return [NSURL fileURLWithPath:path];
}
return nil;
}
- (AVPlayerItem*)playerItemForSource:(NSDictionary *)source
{
bool isNetwork = [RCTConvert BOOL:[source objectForKey:@"isNetwork"]];
bool isAsset = [RCTConvert BOOL:[source objectForKey:@"isAsset"]];
NSString *uri = [source objectForKey:@"uri"];
NSString *type = [source objectForKey:@"type"];
AVURLAsset *asset;
NSMutableDictionary *assetOptions = [[NSMutableDictionary alloc] init];
if (isNetwork) {
/* Per #1091, this is not a public API. We need to either get approval from Apple to use this
* or use a different approach.
NSDictionary *headers = [source objectForKey:@"requestHeaders"];
if ([headers count] > 0) {
[assetOptions setObject:headers forKey:@"AVURLAssetHTTPHeaderFieldsKey"];
}
*/
NSArray *cookies = [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookies];
[assetOptions setObject:cookies forKey:AVURLAssetHTTPCookiesKey];
asset = [AVURLAsset URLAssetWithURL:[NSURL URLWithString:uri] options:assetOptions];
} else if (isAsset) { // assets on iOS have to be in the Documents folder
asset = [AVURLAsset URLAssetWithURL:[self urlFilePath:uri] options:nil];
} else { // file passed in through JS, or an asset in the Xcode project
asset = [AVURLAsset URLAssetWithURL:[[NSURL alloc] initFileURLWithPath:[[NSBundle mainBundle] pathForResource:uri ofType:type]] options:nil];
}
if (!_textTracks) {
return [AVPlayerItem playerItemWithAsset:asset];
}
// sideload text tracks
AVMutableComposition *mixComposition = [[AVMutableComposition alloc] init];
AVAssetTrack *videoAsset = [asset tracksWithMediaType:AVMediaTypeVideo].firstObject;
AVMutableCompositionTrack *videoCompTrack = [mixComposition addMutableTrackWithMediaType:AVMediaTypeVideo preferredTrackID:kCMPersistentTrackID_Invalid];
[videoCompTrack insertTimeRange:CMTimeRangeMake(kCMTimeZero, videoAsset.timeRange.duration)
ofTrack:videoAsset
atTime:kCMTimeZero
error:nil];
AVAssetTrack *audioAsset = [asset tracksWithMediaType:AVMediaTypeAudio].firstObject;
AVMutableCompositionTrack *audioCompTrack = [mixComposition addMutableTrackWithMediaType:AVMediaTypeAudio preferredTrackID:kCMPersistentTrackID_Invalid];
[audioCompTrack insertTimeRange:CMTimeRangeMake(kCMTimeZero, videoAsset.timeRange.duration)
ofTrack:audioAsset
atTime:kCMTimeZero
error:nil];
for (int i = 0; i < _textTracks.count; ++i) {
AVURLAsset *textURLAsset;
NSString *textUri = [_textTracks objectAtIndex:i][@"uri"];
if ([[textUri lowercaseString] hasPrefix:@"http"]) {
textURLAsset = [AVURLAsset URLAssetWithURL:[NSURL URLWithString:textUri] options:assetOptions];
} else {
textURLAsset = [AVURLAsset URLAssetWithURL:[self urlFilePath:textUri] options:nil];
}
AVAssetTrack *textTrackAsset = [textURLAsset tracksWithMediaType:AVMediaTypeText].firstObject;
AVMutableCompositionTrack *textCompTrack = [mixComposition
addMutableTrackWithMediaType:AVMediaTypeText
preferredTrackID:kCMPersistentTrackID_Invalid];
[textCompTrack insertTimeRange:CMTimeRangeMake(kCMTimeZero, videoAsset.timeRange.duration)
ofTrack:textTrackAsset
atTime:kCMTimeZero
error:nil];
}
return [AVPlayerItem playerItemWithAsset:mixComposition];
}
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
{
if (object == _playerItem) {
// When timeMetadata is read the event onTimedMetadata is triggered
if ([keyPath isEqualToString:timedMetadata]) {
NSArray<AVMetadataItem *> *items = [change objectForKey:@"new"];
if (items && ![items isEqual:[NSNull null]] && items.count > 0) {
NSMutableArray *array = [NSMutableArray new];
for (AVMetadataItem *item in items) {
NSString *value = (NSString *)item.value;
NSString *identifier = item.identifier;
if (![value isEqual: [NSNull null]]) {
NSDictionary *dictionary = [[NSDictionary alloc] initWithObjects:@[value, identifier] forKeys:@[@"value", @"identifier"]];
[array addObject:dictionary];
}
}
self.onTimedMetadata(@{
@"target": self.reactTag,
@"metadata": array
});
}
}
if ([keyPath isEqualToString:statusKeyPath]) {
// Handle player item status change.
if (_playerItem.status == AVPlayerItemStatusReadyToPlay) {
float duration = CMTimeGetSeconds(_playerItem.asset.duration);
if (isnan(duration)) {
duration = 0.0;
}
NSObject *width = @"undefined";
NSObject *height = @"undefined";
NSString *orientation = @"undefined";
if ([_playerItem.asset tracksWithMediaType:AVMediaTypeVideo].count > 0) {
AVAssetTrack *videoTrack = [[_playerItem.asset tracksWithMediaType:AVMediaTypeVideo] objectAtIndex:0];
width = [NSNumber numberWithFloat:videoTrack.naturalSize.width];
height = [NSNumber numberWithFloat:videoTrack.naturalSize.height];
CGAffineTransform preferredTransform = [videoTrack preferredTransform];
if ((videoTrack.naturalSize.width == preferredTransform.tx
&& videoTrack.naturalSize.height == preferredTransform.ty)
|| (preferredTransform.tx == 0 && preferredTransform.ty == 0))
{
orientation = @"landscape";
} else {
orientation = @"portrait";
}
}
if (self.onVideoLoad && _videoLoadStarted) {
self.onVideoLoad(@{@"duration": [NSNumber numberWithFloat:duration],
@"currentTime": [NSNumber numberWithFloat:CMTimeGetSeconds(_playerItem.currentTime)],
@"canPlayReverse": [NSNumber numberWithBool:_playerItem.canPlayReverse],
@"canPlayFastForward": [NSNumber numberWithBool:_playerItem.canPlayFastForward],
@"canPlaySlowForward": [NSNumber numberWithBool:_playerItem.canPlaySlowForward],
@"canPlaySlowReverse": [NSNumber numberWithBool:_playerItem.canPlaySlowReverse],
@"canStepBackward": [NSNumber numberWithBool:_playerItem.canStepBackward],
@"canStepForward": [NSNumber numberWithBool:_playerItem.canStepForward],
@"naturalSize": @{
@"width": width,
@"height": height,
@"orientation": orientation
},
@"textTracks": [self getTextTrackInfo],
@"target": self.reactTag});
}
_videoLoadStarted = NO;
[self attachListeners];
[self applyModifiers];
} else if (_playerItem.status == AVPlayerItemStatusFailed && self.onVideoError) {
self.onVideoError(@{@"error": @{@"code": [NSNumber numberWithInteger: _playerItem.error.code],
@"domain": _playerItem.error.domain},
@"target": self.reactTag});
}
} else if ([keyPath isEqualToString:playbackBufferEmptyKeyPath]) {
_playerBufferEmpty = YES;
self.onVideoBuffer(@{@"isBuffering": @(YES), @"target": self.reactTag});
} else if ([keyPath isEqualToString:playbackLikelyToKeepUpKeyPath]) {
// Continue playing (or not if paused) after being paused due to hitting an unbuffered zone.
if ((!(_controls || _fullscreenPlayerPresented) || _playerBufferEmpty) && _playerItem.playbackLikelyToKeepUp) {
[self setPaused:_paused];
}
_playerBufferEmpty = NO;
self.onVideoBuffer(@{@"isBuffering": @(NO), @"target": self.reactTag});
}
} else if (object == _playerLayer) {
if([keyPath isEqualToString:readyForDisplayKeyPath] && [change objectForKey:NSKeyValueChangeNewKey]) {
if([change objectForKey:NSKeyValueChangeNewKey] && self.onReadyForDisplay) {
self.onReadyForDisplay(@{@"target": self.reactTag});
}
}
} else if (object == _player) {
if([keyPath isEqualToString:playbackRate]) {
if(self.onPlaybackRateChange) {
self.onPlaybackRateChange(@{@"playbackRate": [NSNumber numberWithFloat:_player.rate],
@"target": self.reactTag});
}
if(_playbackStalled && _player.rate > 0) {
if(self.onPlaybackResume) {
self.onPlaybackResume(@{@"playbackRate": [NSNumber numberWithFloat:_player.rate],
@"target": self.reactTag});
}
_playbackStalled = NO;
}
}
} else {
[super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
}
}
- (void)attachListeners
{
// listen for end of file
[[NSNotificationCenter defaultCenter] removeObserver:self
name:AVPlayerItemDidPlayToEndTimeNotification
object:[_player currentItem]];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(playerItemDidReachEnd:)
name:AVPlayerItemDidPlayToEndTimeNotification
object:[_player currentItem]];
[[NSNotificationCenter defaultCenter] removeObserver:self
name:AVPlayerItemPlaybackStalledNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(playbackStalled:)
name:AVPlayerItemPlaybackStalledNotification
object:nil];
}
- (void)playbackStalled:(NSNotification *)notification
{
if(self.onPlaybackStalled) {
self.onPlaybackStalled(@{@"target": self.reactTag});
}
_playbackStalled = YES;
}
- (void)playerItemDidReachEnd:(NSNotification *)notification
{
if(self.onVideoEnd) {
self.onVideoEnd(@{@"target": self.reactTag});
}
if (_repeat) {
AVPlayerItem *item = [notification object];
[item seekToTime:kCMTimeZero];
[self applyModifiers];
} else {
[self removePlayerTimeObserver];
}
}
#pragma mark - Prop setters
- (void)setResizeMode:(NSString*)mode
{
if( _controls )
{
_playerViewController.videoGravity = mode;
}
else
{
_playerLayer.videoGravity = mode;
}
_resizeMode = mode;
}
- (void)setPlayInBackground:(BOOL)playInBackground
{
_playInBackground = playInBackground;
}
- (void)setAllowsExternalPlayback:(BOOL)allowsExternalPlayback
{
_allowsExternalPlayback = allowsExternalPlayback;
_player.allowsExternalPlayback = _allowsExternalPlayback;
}
- (void)setPlayWhenInactive:(BOOL)playWhenInactive
{
_playWhenInactive = playWhenInactive;
}
- (void)setIgnoreSilentSwitch:(NSString *)ignoreSilentSwitch
{
_ignoreSilentSwitch = ignoreSilentSwitch;
[self applyModifiers];
}
- (void)setPaused:(BOOL)paused
{
if (paused) {
[_player pause];
[_player setRate:0.0];
} else {
if([_ignoreSilentSwitch isEqualToString:@"ignore"]) {
[[AVAudioSession sharedInstance] setCategory:AVAudioSessionCategoryPlayback error:nil];
} else if([_ignoreSilentSwitch isEqualToString:@"obey"]) {
[[AVAudioSession sharedInstance] setCategory:AVAudioSessionCategoryAmbient error:nil];
}
[_player play];
[_player setRate:_rate];
}
_paused = paused;
}
- (float)getCurrentTime
{
return _playerItem != NULL ? CMTimeGetSeconds(_playerItem.currentTime) : 0;
}
- (void)setCurrentTime:(float)currentTime
{
NSDictionary *info = @{
@"time": [NSNumber numberWithFloat:currentTime],
@"tolerance": [NSNumber numberWithInt:100]
};
[self setSeek:info];
}
- (void)setSeek:(NSDictionary *)info
{
NSNumber *seekTime = info[@"time"];
NSNumber *seekTolerance = info[@"tolerance"];
int timeScale = 1000;
AVPlayerItem *item = _player.currentItem;
if (item && item.status == AVPlayerItemStatusReadyToPlay) {
// TODO check loadedTimeRanges
CMTime cmSeekTime = CMTimeMakeWithSeconds([seekTime floatValue], timeScale);
CMTime current = item.currentTime;
// TODO figure out a good tolerance level
CMTime tolerance = CMTimeMake([seekTolerance floatValue], timeScale);
BOOL wasPaused = _paused;
if (CMTimeCompare(current, cmSeekTime) != 0) {
if (!wasPaused) [_player pause];
[_player seekToTime:cmSeekTime toleranceBefore:tolerance toleranceAfter:tolerance completionHandler:^(BOOL finished) {
if (!_timeObserver) {
[self addPlayerTimeObserver];
}
if (!wasPaused) {
[self setPaused:false];
}
if(self.onVideoSeek) {
self.onVideoSeek(@{@"currentTime": [NSNumber numberWithFloat:CMTimeGetSeconds(item.currentTime)],
@"seekTime": seekTime,
@"target": self.reactTag});
}
}];
_pendingSeek = false;
}
} else {
// TODO: See if this makes sense and if so, actually implement it
_pendingSeek = true;
_pendingSeekTime = [seekTime floatValue];
}
}
- (void)setRate:(float)rate
{
_rate = rate;
[self applyModifiers];
}
- (void)setMuted:(BOOL)muted
{
_muted = muted;
[self applyModifiers];
}
- (void)setVolume:(float)volume
{
_volume = volume;
[self applyModifiers];
}
- (void)applyModifiers
{
if (_muted) {
[_player setVolume:0];
[_player setMuted:YES];
} else {
[_player setVolume:_volume];
[_player setMuted:NO];
}
[self setSelectedTextTrack:_selectedTextTrack];
[self setResizeMode:_resizeMode];
[self setRepeat:_repeat];
[self setPaused:_paused];
[self setControls:_controls];
[self setAllowsExternalPlayback:_allowsExternalPlayback];
}
- (void)setRepeat:(BOOL)repeat {
_repeat = repeat;
}
- (void)setSelectedTextTrack:(NSDictionary *)selectedTextTrack {
_selectedTextTrack = selectedTextTrack;
if (_textTracks) {
[self setSideloadedText];
} else {
[self setStreamingText];
}
}
- (void) setSideloadedText {
NSString *type = _selectedTextTrack[@"type"];
NSArray* textTracks = [self getTextTrackInfo];
// The first few tracks will be audio & video track
int firstTextIndex = 0;
for (firstTextIndex = 0; firstTextIndex < _player.currentItem.tracks.count; ++firstTextIndex) {
if ([_player.currentItem.tracks[firstTextIndex].assetTrack hasMediaCharacteristic:AVMediaCharacteristicLegible]) {
break;
}
}
int selectedTrackIndex = -1;
if ([type isEqualToString:@"disabled"]) {
// Do nothing. We want to ensure option is nil
} else if ([type isEqualToString:@"language"]) {
NSString *selectedValue = _selectedTextTrack[@"value"];
for (int i = 0; i < textTracks.count; ++i) {
NSDictionary *currentTextTrack = [textTracks objectAtIndex:i];
if ([selectedValue isEqualToString:currentTextTrack[@"language"]]) {
selectedTrackIndex = i;
break;
}
}
} else if ([type isEqualToString:@"title"]) {
NSString *selectedValue = _selectedTextTrack[@"value"];
for (int i = 0; i < textTracks.count; ++i) {
NSDictionary *currentTextTrack = [textTracks objectAtIndex:i];
if ([selectedValue isEqualToString:currentTextTrack[@"title"]]) {
selectedTrackIndex = i;
break;
}
}
} else if ([type isEqualToString:@"index"]) {
if ([_selectedTextTrack[@"value"] isKindOfClass:[NSNumber class]]) {
int index = [_selectedTextTrack[@"value"] intValue];
if (textTracks.count > index) {
selectedTrackIndex = index;
}
}
}
// user's selected language might not be available, or system defaults have captions enabled
if (selectedTrackIndex == -1 || [type isEqualToString:@"default"]) {
CFArrayRef captioningMediaCharacteristics = MACaptionAppearanceCopyPreferredCaptioningMediaCharacteristics(kMACaptionAppearanceDomainUser);
NSArray *captionSettings = (__bridge NSArray*)captioningMediaCharacteristics;
if ([captionSettings containsObject: AVMediaCharacteristicTranscribesSpokenDialogForAccessibility]) {
// iterate through the textTracks to find a matching option, or default to the first object.
selectedTrackIndex = 0;
NSString * systemLanguage = [[NSLocale preferredLanguages] firstObject];
for (int i = 0; i < textTracks.count; ++i) {
NSDictionary *currentTextTrack = [textTracks objectAtIndex:i];
if ([systemLanguage isEqualToString:currentTextTrack[@"language"]]) {
selectedTrackIndex = i;
break;
}
}
}
}
for (int i = firstTextIndex; i < _player.currentItem.tracks.count; ++i) {
BOOL isEnabled = i == selectedTrackIndex + firstTextIndex;
[_player.currentItem.tracks[i] setEnabled:isEnabled];
}
}
-(void) setStreamingText {
NSString *type = _selectedTextTrack[@"type"];
AVMediaSelectionGroup *group = [_player.currentItem.asset
mediaSelectionGroupForMediaCharacteristic:AVMediaCharacteristicLegible];
AVMediaSelectionOption *mediaOption;
if ([type isEqualToString:@"disabled"]) {
// Do nothing. We want to ensure option is nil
} else if ([type isEqualToString:@"language"] || [type isEqualToString:@"title"]) {
NSString *value = _selectedTextTrack[@"value"];
for (int i = 0; i < group.options.count; ++i) {
AVMediaSelectionOption *currentOption = [group.options objectAtIndex:i];
NSString *optionValue;
if ([type isEqualToString:@"language"]) {
optionValue = [currentOption extendedLanguageTag];
} else {
optionValue = [[[currentOption commonMetadata]
valueForKey:@"value"]
objectAtIndex:0];
}
if ([value isEqualToString:optionValue]) {
mediaOption = currentOption;
break;
}
}
//} else if ([type isEqualToString:@"default"]) {
// option = group.defaultOption; */
} else if ([type isEqualToString:@"index"]) {
if ([_selectedTextTrack[@"value"] isKindOfClass:[NSNumber class]]) {
int index = [_selectedTextTrack[@"value"] intValue];
if (group.options.count > index) {
mediaOption = [group.options objectAtIndex:index];
}
}
} else { // default. invalid type or "system"
[_player.currentItem selectMediaOptionAutomaticallyInMediaSelectionGroup:group];
return;
}
// If a match isn't found, option will be nil and text tracks will be disabled
[_player.currentItem selectMediaOption:mediaOption inMediaSelectionGroup:group];
}
- (void)setTextTracks:(NSArray*) textTracks;
{
_textTracks = textTracks;
// in case textTracks was set after selectedTextTrack
if (_selectedTextTrack) [self setSelectedTextTrack:_selectedTextTrack];
}
- (NSArray *)getTextTrackInfo
{
// if sideloaded, textTracks will already be set
if (_textTracks) return _textTracks;
// if streaming video, we extract the text tracks
NSMutableArray *textTracks = [[NSMutableArray alloc] init];
AVMediaSelectionGroup *group = [_player.currentItem.asset
mediaSelectionGroupForMediaCharacteristic:AVMediaCharacteristicLegible];
for (int i = 0; i < group.options.count; ++i) {
AVMediaSelectionOption *currentOption = [group.options objectAtIndex:i];
NSString *title = @"";
NSArray *values = [[currentOption commonMetadata] valueForKey:@"value"];
if (values.count > 0) {
title = [values objectAtIndex:0];
}
NSString *language = [currentOption extendedLanguageTag] ? [currentOption extendedLanguageTag] : @"";
NSDictionary *textTrack = @{
@"index": [NSNumber numberWithInt:i],
@"title": title,
@"language": language
};
[textTracks addObject:textTrack];
}
return textTracks;
}
- (BOOL)getFullscreen
{
return _fullscreenPlayerPresented;
}
- (void)setFullscreen:(BOOL)fullscreen
{
if( fullscreen && !_fullscreenPlayerPresented )
{
// Ensure player view controller is not null
if( !_playerViewController )
{
[self usePlayerViewController];
}
// Set presentation style to fullscreen
[_playerViewController setModalPresentationStyle:UIModalPresentationFullScreen];
// Find the nearest view controller
UIViewController *viewController = [self firstAvailableUIViewController];
if( !viewController )
{
UIWindow *keyWindow = [[UIApplication sharedApplication] keyWindow];
viewController = keyWindow.rootViewController;
if( viewController.childViewControllers.count > 0 )
{
viewController = viewController.childViewControllers.lastObject;
}
}
if( viewController )
{
_presentingViewController = viewController;
if(self.onVideoFullscreenPlayerWillPresent) {
self.onVideoFullscreenPlayerWillPresent(@{@"target": self.reactTag});
}
[viewController presentViewController:_playerViewController animated:true completion:^{
_playerViewController.showsPlaybackControls = YES;
_fullscreenPlayerPresented = fullscreen;
if(self.onVideoFullscreenPlayerDidPresent) {
self.onVideoFullscreenPlayerDidPresent(@{@"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];
// to prevent video from being animated when resizeMode is 'cover'
// resize mode must be set before subview is added
[self setResizeMode:_resizeMode];
[self addSubview:_playerViewController.view];
}
}
- (void)usePlayerLayer
{
if( _player )
{
_playerLayer = [AVPlayerLayer playerLayerWithPlayer:_player];
_playerLayer.frame = self.bounds;
_playerLayer.needsDisplayOnBoundsChange = YES;
// to prevent video from being animated when resizeMode is 'cover'
// resize mode must be set before layer is added
[self setResizeMode:_resizeMode];
[_playerLayer addObserver:self forKeyPath:readyForDisplayKeyPath options:NSKeyValueObservingOptionNew context:nil];
_playerLayerObserverSet = YES;
[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)setProgressUpdateInterval:(float)progressUpdateInterval
{
_progressUpdateInterval = progressUpdateInterval;
if (_timeObserver) {
[self removePlayerTimeObserver];
[self addPlayerTimeObserver];
}
}
- (void)removePlayerLayer
{
[_playerLayer removeFromSuperlayer];
if (_playerLayerObserverSet) {
[_playerLayer removeObserver:self forKeyPath:readyForDisplayKeyPath];
_playerLayerObserverSet = NO;
}
_playerLayer = nil;
}
#pragma mark - RCTVideoPlayerViewControllerDelegate
- (void)videoPlayerViewControllerWillDismiss:(AVPlayerViewController *)playerViewController
{
if (_playerViewController == playerViewController && _fullscreenPlayerPresented && self.onVideoFullscreenPlayerWillDismiss)
{
self.onVideoFullscreenPlayerWillDismiss(@{@"target": self.reactTag});
}
}
- (void)videoPlayerViewControllerDidDismiss:(AVPlayerViewController *)playerViewController
{
if (_playerViewController == playerViewController && _fullscreenPlayerPresented)
{
_fullscreenPlayerPresented = false;
_presentingViewController = nil;
_playerViewController = nil;
[self applyModifiers];
if(self.onVideoFullscreenPlayerDidDismiss) {
self.onVideoFullscreenPlayerDidDismiss(@{@"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