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Diffstat (limited to 'platform/iphone/native_video_view.m')
| -rw-r--r-- | platform/iphone/native_video_view.m | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/platform/iphone/native_video_view.m b/platform/iphone/native_video_view.m new file mode 100644 index 0000000000..a4e9f209f0 --- /dev/null +++ b/platform/iphone/native_video_view.m @@ -0,0 +1,260 @@ +/*************************************************************************/ +/* native_video_view.m */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#import "native_video_view.h" +#import <AVFoundation/AVFoundation.h> + +@interface GodotNativeVideoView () + +@property(strong, nonatomic) AVAsset *avAsset; +@property(strong, nonatomic) AVPlayerItem *avPlayerItem; +@property(strong, nonatomic) AVPlayer *avPlayer; +@property(strong, nonatomic) AVPlayerLayer *avPlayerLayer; +@property(assign, nonatomic) CMTime videoCurrentTime; +@property(assign, nonatomic) BOOL isVideoCurrentlyPlaying; + +@end + +@implementation GodotNativeVideoView + +- (instancetype)initWithFrame:(CGRect)frame { + self = [super initWithFrame:frame]; + + if (self) { + [self godot_commonInit]; + } + + return self; +} + +- (instancetype)initWithCoder:(NSCoder *)coder { + self = [super initWithCoder:coder]; + + if (self) { + [self godot_commonInit]; + } + + return self; +} + +- (void)godot_commonInit { + self.isVideoCurrentlyPlaying = NO; + self.videoCurrentTime = kCMTimeZero; + + [self observeVideoAudio]; +} + +- (void)observeVideoAudio { + printf("******** adding observer for sound routing changes\n"); + [[NSNotificationCenter defaultCenter] + addObserver:self + selector:@selector(audioRouteChangeListenerCallback:) + name:AVAudioSessionRouteChangeNotification + object:nil]; +} + +- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context { + if (object == self.avPlayerItem && [keyPath isEqualToString:@"status"]) { + [self handleVideoOrPlayerStatus]; + } + + if (object == self.avPlayer && [keyPath isEqualToString:@"rate"]) { + [self handleVideoPlayRate]; + } +} + +// MARK: Video Audio + +- (void)audioRouteChangeListenerCallback:(NSNotification *)notification { + printf("*********** route changed!\n"); + NSDictionary *interuptionDict = notification.userInfo; + + NSInteger routeChangeReason = [[interuptionDict valueForKey:AVAudioSessionRouteChangeReasonKey] integerValue]; + + switch (routeChangeReason) { + case AVAudioSessionRouteChangeReasonNewDeviceAvailable: { + NSLog(@"AVAudioSessionRouteChangeReasonNewDeviceAvailable"); + NSLog(@"Headphone/Line plugged in"); + } break; + case AVAudioSessionRouteChangeReasonOldDeviceUnavailable: { + NSLog(@"AVAudioSessionRouteChangeReasonOldDeviceUnavailable"); + NSLog(@"Headphone/Line was pulled. Resuming video play...."); + if ([self isVideoPlaying]) { + dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 0.5f * NSEC_PER_SEC), dispatch_get_main_queue(), ^{ + [self.avPlayer play]; // NOTE: change this line according your current player implementation + NSLog(@"resumed play"); + }); + } + } break; + case AVAudioSessionRouteChangeReasonCategoryChange: { + // called at start - also when other audio wants to play + NSLog(@"AVAudioSessionRouteChangeReasonCategoryChange"); + } break; + } +} + +// MARK: Native Video Player + +- (void)handleVideoOrPlayerStatus { + if (self.avPlayerItem.status == AVPlayerItemStatusFailed || self.avPlayer.status == AVPlayerStatusFailed) { + [self stopVideo]; + } + + if (self.avPlayer.status == AVPlayerStatusReadyToPlay && self.avPlayerItem.status == AVPlayerItemStatusReadyToPlay && CMTimeCompare(self.videoCurrentTime, kCMTimeZero) == 0) { + // NSLog(@"time: %@", self.video_current_time); + [self.avPlayer seekToTime:self.videoCurrentTime]; + self.videoCurrentTime = kCMTimeZero; + } +} + +- (void)handleVideoPlayRate { + NSLog(@"Player playback rate changed: %.5f", self.avPlayer.rate); + if ([self isVideoPlaying] && self.avPlayer.rate == 0.0 && !self.avPlayer.error) { + dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 0.5f * NSEC_PER_SEC), dispatch_get_main_queue(), ^{ + [self.avPlayer play]; // NOTE: change this line according your current player implementation + NSLog(@"resumed play"); + }); + + NSLog(@" . . . PAUSED (or just started)"); + } +} + +- (BOOL)playVideoAtPath:(NSString *)filePath volume:(float)videoVolume audio:(NSString *)audioTrack subtitle:(NSString *)subtitleTrack { + self.avAsset = [AVAsset assetWithURL:[NSURL fileURLWithPath:filePath]]; + + self.avPlayerItem = [AVPlayerItem playerItemWithAsset:self.avAsset]; + [self.avPlayerItem addObserver:self forKeyPath:@"status" options:0 context:nil]; + + self.avPlayer = [AVPlayer playerWithPlayerItem:self.avPlayerItem]; + self.avPlayerLayer = [AVPlayerLayer playerLayerWithPlayer:self.avPlayer]; + + [self.avPlayer addObserver:self forKeyPath:@"status" options:0 context:nil]; + [[NSNotificationCenter defaultCenter] + addObserver:self + selector:@selector(playerItemDidReachEnd:) + name:AVPlayerItemDidPlayToEndTimeNotification + object:[self.avPlayer currentItem]]; + + [self.avPlayer addObserver:self forKeyPath:@"rate" options:NSKeyValueObservingOptionNew context:0]; + + [self.avPlayerLayer setFrame:self.bounds]; + [self.layer addSublayer:self.avPlayerLayer]; + [self.avPlayer play]; + + AVMediaSelectionGroup *audioGroup = [self.avAsset mediaSelectionGroupForMediaCharacteristic:AVMediaCharacteristicAudible]; + + NSMutableArray *allAudioParams = [NSMutableArray array]; + for (id track in audioGroup.options) { + NSString *language = [[track locale] localeIdentifier]; + NSLog(@"subtitle lang: %@", language); + + if ([language isEqualToString:audioTrack]) { + AVMutableAudioMixInputParameters *audioInputParams = [AVMutableAudioMixInputParameters audioMixInputParameters]; + [audioInputParams setVolume:videoVolume atTime:kCMTimeZero]; + [audioInputParams setTrackID:[track trackID]]; + [allAudioParams addObject:audioInputParams]; + + AVMutableAudioMix *audioMix = [AVMutableAudioMix audioMix]; + [audioMix setInputParameters:allAudioParams]; + + [self.avPlayer.currentItem selectMediaOption:track inMediaSelectionGroup:audioGroup]; + [self.avPlayer.currentItem setAudioMix:audioMix]; + + break; + } + } + + AVMediaSelectionGroup *subtitlesGroup = [self.avAsset mediaSelectionGroupForMediaCharacteristic:AVMediaCharacteristicLegible]; + NSArray *useableTracks = [AVMediaSelectionGroup mediaSelectionOptionsFromArray:subtitlesGroup.options withoutMediaCharacteristics:[NSArray arrayWithObject:AVMediaCharacteristicContainsOnlyForcedSubtitles]]; + + for (id track in useableTracks) { + NSString *language = [[track locale] localeIdentifier]; + NSLog(@"subtitle lang: %@", language); + + if ([language isEqualToString:subtitleTrack]) { + [self.avPlayer.currentItem selectMediaOption:track inMediaSelectionGroup:subtitlesGroup]; + break; + } + } + + self.isVideoCurrentlyPlaying = YES; + + return true; +} + +- (BOOL)isVideoPlaying { + if (self.avPlayer.error) { + printf("Error during playback\n"); + } + return (self.avPlayer.rate > 0 && !self.avPlayer.error); +} + +- (void)pauseVideo { + self.videoCurrentTime = self.avPlayer.currentTime; + [self.avPlayer pause]; + self.isVideoCurrentlyPlaying = NO; +} + +- (void)unpauseVideo { + [self.avPlayer play]; + self.isVideoCurrentlyPlaying = YES; +} + +- (void)playerItemDidReachEnd:(NSNotification *)notification { + [self stopVideo]; +} + +- (void)finishPlayingVideo { + [self.avPlayer pause]; + [self.avPlayerLayer removeFromSuperlayer]; + self.avPlayerLayer = nil; + + if (self.avPlayerItem) { + [self.avPlayerItem removeObserver:self forKeyPath:@"status"]; + self.avPlayerItem = nil; + } + + if (self.avPlayer) { + [self.avPlayer removeObserver:self forKeyPath:@"status"]; + self.avPlayer = nil; + } + + self.avAsset = nil; + + self.isVideoCurrentlyPlaying = NO; +} + +- (void)stopVideo { + [self finishPlayingVideo]; + + [self removeFromSuperview]; +} + +@end |