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- /*****************************************************************************
- * VLCPlaybackController.m
- * VLC for iOS
- *****************************************************************************
- * Copyright (c) 2013-2015 VideoLAN. All rights reserved.
- * $Id$
- *
- * Authors: Felix Paul Kühne <fkuehne # videolan.org>
- * Carola Nitz <caro # videolan.org>
- * Gleb Pinigin <gpinigin # gmail.com>
- * Pierre Sagaspe <pierre.sagaspe # me.com>
- * Tobias Conradi <videolan # tobias-conradi.de>
- * Sylver Bruneau <sylver.bruneau # gmail dot com>
- * Winston Weinert <winston # ml1 dot net>
- *
- * Refer to the COPYING file of the official project for license.
- *****************************************************************************/
- #import "VLCPlaybackController.h"
- #import <CommonCrypto/CommonDigest.h>
- #import "UIDevice+VLC.h"
- #import <AVFoundation/AVFoundation.h>
- #import <MediaPlayer/MediaPlayer.h>
- #import "VLCPlayerDisplayController.h"
- #import "VLCConstants.h"
- #import "VLCRemoteControlService.h"
- #if TARGET_OS_IOS
- #import "VLCKeychainCoordinator.h"
- #import "VLCThumbnailsCache.h"
- #import "VLCLibraryViewController.h"
- #import <WatchKit/WatchKit.h>
- #endif
- NSString *const VLCPlaybackControllerPlaybackDidStart = @"VLCPlaybackControllerPlaybackDidStart";
- NSString *const VLCPlaybackControllerPlaybackDidPause = @"VLCPlaybackControllerPlaybackDidPause";
- NSString *const VLCPlaybackControllerPlaybackDidResume = @"VLCPlaybackControllerPlaybackDidResume";
- NSString *const VLCPlaybackControllerPlaybackDidStop = @"VLCPlaybackControllerPlaybackDidStop";
- NSString *const VLCPlaybackControllerPlaybackMetadataDidChange = @"VLCPlaybackControllerPlaybackMetadataDidChange";
- NSString *const VLCPlaybackControllerPlaybackDidFail = @"VLCPlaybackControllerPlaybackDidFail";
- NSString *const VLCPlaybackControllerPlaybackPositionUpdated = @"VLCPlaybackControllerPlaybackPositionUpdated";
- typedef NS_ENUM(NSUInteger, VLCAspectRatio) {
- VLCAspectRatioDefault = 0,
- VLCAspectRatioFillToScreen,
- VLCAspectRatioFourToThree,
- VLCAspectRatioSixteenToNine,
- VLCAspectRatioSixteenToTen,
- };
- @interface VLCPlaybackController () <VLCMediaPlayerDelegate,
- #if TARGET_OS_IOS
- AVAudioSessionDelegate,
- #endif
- VLCMediaDelegate, VLCRemoteControlServiceDelegate>
- {
- VLCRemoteControlService *_remoteControlService;
- BOOL _playerIsSetup;
- BOOL _playbackFailed;
- BOOL _shouldResumePlaying;
- BOOL _shouldResumePlayingAfterInteruption;
- NSTimer *_sleepTimer;
- NSUInteger _currentAspectRatio;
- float _currentPlaybackRate;
- UIView *_videoOutputViewWrapper;
- UIView *_actualVideoOutputView;
- UIView *_preBackgroundWrapperView;
- /* cached stuff for the VC */
- NSString *_title;
- UIImage *_artworkImage;
- NSString *_artist;
- NSString *_albumName;
- BOOL _mediaIsAudioOnly;
- BOOL _needsMetadataUpdate;
- BOOL _mediaWasJustStarted;
- BOOL _recheckForExistingThumbnail;
- BOOL _activeSession;
- BOOL _headphonesWasPlugged;
- NSLock *_playbackSessionManagementLock;
- VLCDialogProvider *_dialogProvider;
- NSMutableArray *_shuffleStack;
- }
- @end
- @implementation VLCPlaybackController
- #pragma mark instance management
- + (VLCPlaybackController *)sharedInstance
- {
- static VLCPlaybackController *sharedInstance = nil;
- static dispatch_once_t pred;
- dispatch_once(&pred, ^{
- sharedInstance = [VLCPlaybackController new];
- });
- return sharedInstance;
- }
- - (void)dealloc
- {
- _dialogProvider = nil;
- [[NSNotificationCenter defaultCenter] removeObserver:self];
- }
- - (instancetype)init
- {
- self = [super init];
- if (self) {
- _headphonesWasPlugged = [self areHeadphonesPlugged];
- NSNotificationCenter *defaultCenter = [NSNotificationCenter defaultCenter];
- [defaultCenter addObserver:self selector:@selector(audioSessionRouteChange:)
- name:AVAudioSessionRouteChangeNotification object:nil];
- [defaultCenter addObserver:self selector:@selector(applicationWillResignActive:)
- name:UIApplicationWillResignActiveNotification object:nil];
- [defaultCenter addObserver:self selector:@selector(applicationDidBecomeActive:)
- name:UIApplicationDidBecomeActiveNotification object:nil];
- [defaultCenter addObserver:self selector:@selector(applicationDidEnterBackground:)
- name:UIApplicationDidEnterBackgroundNotification object:nil];
- _dialogProvider = [[VLCDialogProvider alloc] initWithLibrary:[VLCLibrary sharedLibrary] customUI:NO];
- _playbackSessionManagementLock = [[NSLock alloc] init];
- _shuffleMode = NO;
- _shuffleStack = [[NSMutableArray alloc] init];
- }
- return self;
- }
- - (VLCRemoteControlService *)remoteControlService
- {
- if (!_remoteControlService) {
- _remoteControlService = [[VLCRemoteControlService alloc] init];
- _remoteControlService.remoteControlServiceDelegate = self;
- }
- return _remoteControlService;
- }
- #pragma mark - playback management
- - (void)playMediaList:(VLCMediaList *)mediaList firstIndex:(NSInteger)index
- {
- self.mediaList = mediaList;
- self.itemInMediaListToBePlayedFirst = (int)index;
- self.pathToExternalSubtitlesFile = nil;
- if (self.activePlaybackSession) {
- self.sessionWillRestart = YES;
- [self stopPlayback];
- } else {
- self.sessionWillRestart = NO;
- [self startPlayback];
- }
- }
- - (void)playURL:(NSURL *)url successCallback:(NSURL*)successCallback errorCallback:(NSURL *)errorCallback
- {
- self.url = url;
- self.successCallback = successCallback;
- self.errorCallback = errorCallback;
- if (self.activePlaybackSession) {
- self.sessionWillRestart = YES;
- [self stopPlayback];
- } else {
- self.sessionWillRestart = NO;
- [self startPlayback];
- }
- }
- - (void)playURL:(NSURL *)url subtitlesFilePath:(NSString *)subsFilePath
- {
- self.url = url;
- self.pathToExternalSubtitlesFile = subsFilePath;
- if (self.activePlaybackSession) {
- self.sessionWillRestart = YES;
- [self stopPlayback];
- } else {
- self.sessionWillRestart = NO;
- dispatch_async(dispatch_get_main_queue(), ^{
- [self startPlayback];
- });
- }
- }
- - (void)startPlayback
- {
- if (_playerIsSetup) {
- APLog(@"%s: player is already setup, bailing out", __PRETTY_FUNCTION__);
- return;
- }
- BOOL ret = [_playbackSessionManagementLock tryLock];
- if (!ret) {
- APLog(@"%s: locking failed", __PRETTY_FUNCTION__);
- return;
- }
- _activeSession = YES;
- #if TARGET_OS_IOS
- [[AVAudioSession sharedInstance] setDelegate:self];
- #endif
- NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
- if (!self.url && !self.mediaList) {
- APLog(@"%s: no URL and no media list set, stopping playback", __PRETTY_FUNCTION__);
- [_playbackSessionManagementLock unlock];
- [self stopPlayback];
- return;
- }
- /* video decoding permanently fails if we don't provide a UIView to draw into on init
- * hence we provide one which is not attached to any view controller for off-screen drawing
- * and disable video decoding once playback started */
- _actualVideoOutputView = [[UIView alloc] initWithFrame:[UIScreen mainScreen].bounds];
- _actualVideoOutputView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
- _actualVideoOutputView.autoresizesSubviews = YES;
- if (self.pathToExternalSubtitlesFile)
- _listPlayer = [[VLCMediaListPlayer alloc] initWithOptions:@[[NSString stringWithFormat:@"--%@=%@", kVLCSettingSubtitlesFilePath, self.pathToExternalSubtitlesFile]] andDrawable:_actualVideoOutputView];
- else
- _listPlayer = [[VLCMediaListPlayer alloc] initWithDrawable:_actualVideoOutputView];
- /* to enable debug logging for the playback library instance, switch the boolean below
- * note that the library instance used for playback may not necessarily match the instance
- * used for media discovery or thumbnailing */
- _listPlayer.mediaPlayer.libraryInstance.debugLogging = NO;
- _mediaPlayer = _listPlayer.mediaPlayer;
- [_mediaPlayer setDelegate:self];
- if ([[defaults objectForKey:kVLCSettingPlaybackSpeedDefaultValue] floatValue] != 0)
- [_mediaPlayer setRate: [[defaults objectForKey:kVLCSettingPlaybackSpeedDefaultValue] floatValue]];
- if ([[defaults objectForKey:kVLCSettingDeinterlace] intValue] != 0)
- [_mediaPlayer setDeinterlaceFilter:@"blend"];
- else
- [_mediaPlayer setDeinterlaceFilter:nil];
- if (self.pathToExternalSubtitlesFile)
- [_mediaPlayer addPlaybackSlave:[NSURL fileURLWithPath:self.pathToExternalSubtitlesFile] type:VLCMediaPlaybackSlaveTypeSubtitle enforce:YES];
- VLCMedia *media;
- if (_mediaList) {
- media = [_mediaList mediaAtIndex:_itemInMediaListToBePlayedFirst];
- [media parseWithOptions:VLCMediaParseLocal];
- media.delegate = self;
- } else {
- media = [VLCMedia mediaWithURL:self.url];
- media.delegate = self;
- [media parseWithOptions:VLCMediaParseLocal];
- [media addOptions:self.mediaOptionsDictionary];
- }
- if (self.mediaList) {
- [_listPlayer setMediaList:self.mediaList];
- } else {
- [_listPlayer setRootMedia:media];
- }
- [_listPlayer setRepeatMode:VLCDoNotRepeat];
- [_playbackSessionManagementLock unlock];
- [self _playNewMedia];
- }
- - (void)_playNewMedia
- {
- BOOL ret = [_playbackSessionManagementLock tryLock];
- if (!ret) {
- APLog(@"%s: locking failed", __PRETTY_FUNCTION__);
- return;
- }
- // Set last selected equalizer profile
- unsigned int profile = (unsigned int)[[[NSUserDefaults standardUserDefaults] objectForKey:kVLCSettingEqualizerProfile] integerValue];
- [_mediaPlayer resetEqualizerFromProfile:profile];
- [_mediaPlayer setPreAmplification:[_mediaPlayer preAmplification]];
- _mediaWasJustStarted = YES;
- [_mediaPlayer addObserver:self forKeyPath:@"time" options:0 context:nil];
- [_mediaPlayer addObserver:self forKeyPath:@"remainingTime" options:0 context:nil];
- if (self.mediaList)
- [_listPlayer playItemAtNumber:@(self.itemInMediaListToBePlayedFirst)];
- else
- [_listPlayer playMedia:_listPlayer.rootMedia];
- if ([self.delegate respondsToSelector:@selector(prepareForMediaPlayback:)])
- [self.delegate prepareForMediaPlayback:self];
- _currentAspectRatio = VLCAspectRatioDefault;
- _mediaPlayer.videoAspectRatio = NULL;
- _mediaPlayer.scaleFactor = 0;
- [[self remoteControlService] subscribeToRemoteCommands];
- _playerIsSetup = YES;
- [[NSNotificationCenter defaultCenter] postNotificationName:VLCPlaybackControllerPlaybackDidStart object:self];
- [_playbackSessionManagementLock unlock];
- }
- - (void)stopPlayback
- {
- BOOL ret = [_playbackSessionManagementLock tryLock];
- if (!ret) {
- APLog(@"%s: locking failed", __PRETTY_FUNCTION__);
- return;
- }
- if (_mediaPlayer) {
- @try {
- [_mediaPlayer removeObserver:self forKeyPath:@"time"];
- [_mediaPlayer removeObserver:self forKeyPath:@"remainingTime"];
- }
- @catch (NSException *exception) {
- APLog(@"we weren't an observer yet");
- }
- if (_mediaPlayer.media) {
- [_mediaPlayer pause];
- #if TARGET_OS_IOS
- [self _savePlaybackState];
- #endif
- [_mediaPlayer stop];
- }
- if (_mediaPlayer)
- _mediaPlayer = nil;
- if (_listPlayer)
- _listPlayer = nil;
- }
- if (!_sessionWillRestart) {
- if (_mediaList)
- _mediaList = nil;
- if (_url)
- _url = nil;
- if (_pathToExternalSubtitlesFile) {
- NSFileManager *fileManager = [NSFileManager defaultManager];
- if ([fileManager fileExistsAtPath:_pathToExternalSubtitlesFile])
- [fileManager removeItemAtPath:_pathToExternalSubtitlesFile error:nil];
- _pathToExternalSubtitlesFile = nil;
- }
- }
- _playerIsSetup = NO;
- [_shuffleStack removeAllObjects];
- if (self.errorCallback && _playbackFailed && !_sessionWillRestart)
- [[UIApplication sharedApplication] openURL:self.errorCallback];
- else if (self.successCallback && !_sessionWillRestart)
- [[UIApplication sharedApplication] openURL:self.successCallback];
- [[self remoteControlService] unsubscribeFromRemoteCommands];
- _activeSession = NO;
- [_playbackSessionManagementLock unlock];
- if (_playbackFailed) {
- [[NSNotificationCenter defaultCenter] postNotificationName:VLCPlaybackControllerPlaybackDidFail object:self];
- } else if (!_sessionWillRestart) {
- [[NSNotificationCenter defaultCenter] postNotificationName:VLCPlaybackControllerPlaybackDidStop object:self];
- } else {
- self.sessionWillRestart = NO;
- [self startPlayback];
- }
- }
- #if TARGET_OS_IOS
- - (void)_savePlaybackState
- {
- @try {
- [[MLMediaLibrary sharedMediaLibrary] save];
- }
- @catch (NSException *exception) {
- APLog(@"saving playback state failed");
- }
- MLFile *fileItem;
- NSArray *files = [MLFile fileForURL:_mediaPlayer.media.url];
- if (files.count > 0)
- fileItem = files.firstObject;
- if (!fileItem) {
- APLog(@"couldn't find file, not saving playback progress");
- return;
- }
- @try {
- float position = _mediaPlayer.position;
- fileItem.lastPosition = @(position);
- fileItem.lastAudioTrack = @(_mediaPlayer.currentAudioTrackIndex);
- fileItem.lastSubtitleTrack = @(_mediaPlayer.currentVideoSubTitleIndex);
- if (position > .95)
- return;
- NSArray *searchPaths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
- NSString* newThumbnailPath = [searchPaths[0] stringByAppendingPathComponent:@"VideoSnapshots"];
- NSFileManager *fileManager = [NSFileManager defaultManager];
- if (![fileManager fileExistsAtPath:newThumbnailPath])
- [fileManager createDirectoryAtPath:newThumbnailPath withIntermediateDirectories:YES attributes:nil error:nil];
- newThumbnailPath = [newThumbnailPath stringByAppendingPathComponent:fileItem.objectID.URIRepresentation.lastPathComponent];
- [_mediaPlayer saveVideoSnapshotAt:newThumbnailPath withWidth:0 andHeight:0];
- _recheckForExistingThumbnail = YES;
- [self performSelector:@selector(_updateStoredThumbnailForFile:) withObject:fileItem afterDelay:.25];
- }
- @catch (NSException *exception) {
- APLog(@"failed to save current media state - file removed?");
- }
- }
- #endif
- #if TARGET_OS_IOS
- - (void)_updateStoredThumbnailForFile:(MLFile *)fileItem
- {
- NSFileManager *fileManager = [NSFileManager defaultManager];
- NSArray *searchPaths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
- NSString* newThumbnailPath = [searchPaths[0] stringByAppendingPathComponent:@"VideoSnapshots"];
- newThumbnailPath = [newThumbnailPath stringByAppendingPathComponent:fileItem.objectID.URIRepresentation.lastPathComponent];
- if (![fileManager fileExistsAtPath:newThumbnailPath]) {
- if (_recheckForExistingThumbnail) {
- [self performSelector:@selector(_updateStoredThumbnailForFile:) withObject:fileItem afterDelay:1.];
- _recheckForExistingThumbnail = NO;
- } else
- return;
- }
- UIImage *newThumbnail = [UIImage imageWithContentsOfFile:newThumbnailPath];
- if (!newThumbnail) {
- if (_recheckForExistingThumbnail) {
- [self performSelector:@selector(_updateStoredThumbnailForFile:) withObject:fileItem afterDelay:1.];
- _recheckForExistingThumbnail = NO;
- } else
- return;
- }
- @try {
- [fileItem setComputedThumbnailScaledForDevice:newThumbnail];
- }
- @catch (NSException *exception) {
- APLog(@"updating thumbnail failed");
- }
- [fileManager removeItemAtPath:newThumbnailPath error:nil];
- }
- #endif
- - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
- {
- if (_mediaWasJustStarted) {
- _mediaWasJustStarted = NO;
- #if TARGET_OS_IOS
- if (self.mediaList) {
- MLFile *item;
- NSArray *matches = [MLFile fileForURL:_mediaPlayer.media.url];
- item = matches.firstObject;
- [self _recoverLastPlaybackStateOfItem:item];
- }
- #else
- NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
- BOOL bValue = [defaults boolForKey:kVLCSettingUseSPDIF];
- if (bValue) {
- _mediaPlayer.audio.passthrough = bValue;
- }
- #endif
- }
- if ([self.delegate respondsToSelector:@selector(playbackPositionUpdated:)])
- [self.delegate playbackPositionUpdated:self];
- [[NSNotificationCenter defaultCenter] postNotificationName:VLCPlaybackControllerPlaybackPositionUpdated
- object:self];
- }
- - (NSInteger)mediaDuration
- {
- return _listPlayer.mediaPlayer.media.length.intValue;;
- }
- - (BOOL)isPlaying
- {
- return _mediaPlayer.isPlaying;
- }
- - (VLCRepeatMode)repeatMode
- {
- return _listPlayer.repeatMode;
- }
- - (void)setRepeatMode:(VLCRepeatMode)repeatMode
- {
- _listPlayer.repeatMode = repeatMode;
- }
- - (BOOL)currentMediaHasChapters
- {
- return [_mediaPlayer numberOfTitles] > 1 || [_mediaPlayer numberOfChaptersForTitle:_mediaPlayer.currentTitleIndex] > 1;
- }
- - (BOOL)currentMediaHasTrackToChooseFrom
- {
- return [[_mediaPlayer audioTrackIndexes] count] > 2 || [[_mediaPlayer videoSubTitlesIndexes] count] > 1;
- }
- - (BOOL)activePlaybackSession
- {
- return _activeSession;
- }
- - (BOOL)audioOnlyPlaybackSession
- {
- return _mediaIsAudioOnly;
- }
- - (NSString *)mediaTitle
- {
- return _title;
- }
- - (float)playbackRate
- {
- float f_rate = _mediaPlayer.rate;
- _currentPlaybackRate = f_rate;
- return f_rate;
- }
- - (void)setPlaybackRate:(float)playbackRate
- {
- if (_currentPlaybackRate != playbackRate)
- [_mediaPlayer setRate:playbackRate];
- _currentPlaybackRate = playbackRate;
- }
- - (void)setAudioDelay:(float)audioDelay
- {
- _mediaPlayer.currentAudioPlaybackDelay = 1000000.*audioDelay;
- }
- - (float)audioDelay
- {
- return _mediaPlayer.currentAudioPlaybackDelay/1000000.;
- }
- -(void)setSubtitleDelay:(float)subtitleDeleay
- {
- _mediaPlayer.currentVideoSubTitleDelay = 1000000.*subtitleDeleay;
- }
- - (float)subtitleDelay
- {
- return _mediaPlayer.currentVideoSubTitleDelay/1000000.;
- }
- - (void)mediaPlayerStateChanged:(NSNotification *)aNotification
- {
- VLCMediaPlayerState currentState = _mediaPlayer.state;
- if (currentState == VLCMediaPlayerStateBuffering) {
- /* attach delegate */
- _mediaPlayer.media.delegate = self;
- /* on-the-fly values through hidden API */
- NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
- [_mediaPlayer performSelector:@selector(setTextRendererFont:) withObject:[defaults objectForKey:kVLCSettingSubtitlesFont]];
- [_mediaPlayer performSelector:@selector(setTextRendererFontSize:) withObject:[defaults objectForKey:kVLCSettingSubtitlesFontSize]];
- [_mediaPlayer performSelector:@selector(setTextRendererFontColor:) withObject:[defaults objectForKey:kVLCSettingSubtitlesFontColor]];
- [_mediaPlayer performSelector:@selector(setTextRendererFontForceBold:) withObject:[defaults objectForKey:kVLCSettingSubtitlesBoldFont]];
- } else if (currentState == VLCMediaPlayerStateError) {
- APLog(@"Playback failed");
- _playbackFailed = YES;
- self.sessionWillRestart = NO;
- [self stopPlayback];
- } else if (currentState == VLCMediaPlayerStateEnded || currentState == VLCMediaPlayerStateStopped) {
- [_listPlayer.mediaList lock];
- NSUInteger listCount = _listPlayer.mediaList.count;
- if ([_listPlayer.mediaList indexOfMedia:_mediaPlayer.media] == listCount - 1 && self.repeatMode == VLCDoNotRepeat) {
- [_listPlayer.mediaList unlock];
- self.sessionWillRestart = NO;
- [self stopPlayback];
- return;
- } else if (listCount > 1) {
- [_listPlayer.mediaList unlock];
- [_listPlayer next];
- } else
- [_listPlayer.mediaList unlock];
- }
- if ([self.delegate respondsToSelector:@selector(mediaPlayerStateChanged:isPlaying:currentMediaHasTrackToChooseFrom:currentMediaHasChapters:forPlaybackController:)])
- [self.delegate mediaPlayerStateChanged:currentState
- isPlaying:_mediaPlayer.isPlaying
- currentMediaHasTrackToChooseFrom:self.currentMediaHasTrackToChooseFrom
- currentMediaHasChapters:self.currentMediaHasChapters
- forPlaybackController:self];
- [self setNeedsMetadataUpdate];
- }
- #pragma mark - playback controls
- - (void)playPause
- {
- if ([_mediaPlayer isPlaying]) {
- [_listPlayer pause];
- #if TARGET_OS_IOS
- [self _savePlaybackState];
- #endif
- [[NSNotificationCenter defaultCenter] postNotificationName:VLCPlaybackControllerPlaybackDidPause object:self];
- } else {
- [_listPlayer play];
- [[NSNotificationCenter defaultCenter] postNotificationName:VLCPlaybackControllerPlaybackDidResume object:self];
- }
- }
- - (void)forward
- {
- NSInteger mediaListCount = _mediaList.count;
- #if TARGET_OS_IOS
- if (mediaListCount > 2 && _shuffleMode) {
- NSNumber *nextIndex;
- NSUInteger currentIndex = [_mediaList indexOfMedia:_listPlayer.mediaPlayer.media];
- //Reached end of playlist
- if (_shuffleStack.count + 1 == mediaListCount) {
- if ([self repeatMode] == VLCDoNotRepeat)
- return;
- [_shuffleStack removeAllObjects];
- }
- [_shuffleStack addObject:[NSNumber numberWithUnsignedInteger:currentIndex]];
- do {
- nextIndex = [NSNumber numberWithUnsignedInt:arc4random_uniform((uint32_t)mediaListCount)];
- } while (currentIndex == nextIndex.unsignedIntegerValue || [_shuffleStack containsObject:nextIndex]);
- [_listPlayer playItemAtNumber:[NSNumber numberWithUnsignedInteger:nextIndex.unsignedIntegerValue]];
- [[NSNotificationCenter defaultCenter] postNotificationName:VLCPlaybackControllerPlaybackMetadataDidChange object:self];
- return;
- }
- #endif
- if (mediaListCount > 1) {
- [_listPlayer next];
- [[NSNotificationCenter defaultCenter] postNotificationName:VLCPlaybackControllerPlaybackMetadataDidChange object:self];
- } else {
- NSNumber *skipLength = [[NSUserDefaults standardUserDefaults] valueForKey:kVLCSettingPlaybackForwardSkipLength];
- [_mediaPlayer jumpForward:skipLength.intValue];
- }
- }
- - (void)backward
- {
- if (_mediaList.count > 1) {
- [_listPlayer previous];
- [[NSNotificationCenter defaultCenter] postNotificationName:VLCPlaybackControllerPlaybackMetadataDidChange object:self];
- }
- else {
- NSNumber *skipLength = [[NSUserDefaults standardUserDefaults] valueForKey:kVLCSettingPlaybackBackwardSkipLength];
- [_mediaPlayer jumpBackward:skipLength.intValue];
- }
- }
- - (void)switchAspectRatio
- {
- if (_currentAspectRatio == VLCAspectRatioSixteenToTen) {
- _mediaPlayer.videoAspectRatio = NULL;
- _mediaPlayer.scaleFactor = 0;
- _currentAspectRatio = VLCAspectRatioDefault;
- } else {
- _currentAspectRatio++;
- if (_currentAspectRatio == VLCAspectRatioFillToScreen) {
- UIScreen *screen;
- if (![[UIDevice currentDevice] VLCHasExternalDisplay])
- screen = [UIScreen mainScreen];
- else
- screen = [UIScreen screens][1];
- float f_ar = screen.bounds.size.width / screen.bounds.size.height;
- if (f_ar == (float)(4.0/3.0) ||
- f_ar == (float)(1366./1024.)) {
- // all iPads
- _mediaPlayer.videoCropGeometry = "4:3";
- } else if (f_ar == (float)(2./3.) || f_ar == (float)(480./320.)) {
- // all other iPhones
- _mediaPlayer.videoCropGeometry = "16:10"; // libvlc doesn't support 2:3 crop
- } else if (f_ar == .5625) {
- // AirPlay
- _mediaPlayer.videoCropGeometry = "16:9";
- } else if (f_ar == (float)(640./1136.) ||
- f_ar == (float)(568./320.) ||
- f_ar == (float)(667./375.) ||
- f_ar == (float)(736./414.)) {
- // iPhone 5 and 6 and 6+
- _mediaPlayer.videoCropGeometry = "16:9";
- } else
- APLog(@"unknown screen format %f, can't crop", f_ar);
- } else {
- _mediaPlayer.videoAspectRatio = (char *)[[self stringForAspectRatio:_currentAspectRatio] UTF8String];
- _mediaPlayer.videoCropGeometry = NULL;
- }
- }
- if ([self.delegate respondsToSelector:@selector(showStatusMessage:forPlaybackController:)]) {
- [self.delegate showStatusMessage:[NSString stringWithFormat:NSLocalizedString(@"AR_CHANGED", nil), [self stringForAspectRatio:_currentAspectRatio]] forPlaybackController:self];
- }
- }
- - (NSString *)stringForAspectRatio:(VLCAspectRatio)ratio
- {
- switch (ratio) {
- case VLCAspectRatioFillToScreen:
- return NSLocalizedString(@"FILL_TO_SCREEN", nil);
- case VLCAspectRatioDefault:
- return NSLocalizedString(@"DEFAULT", nil);
- case VLCAspectRatioFourToThree:
- return @"4:3";
- case VLCAspectRatioSixteenToTen:
- return @"16:10";
- case VLCAspectRatioSixteenToNine:
- return @"16:9";
- default:
- NSAssert(NO, @"this shouldn't happen");
- }
- }
- - (void)setVideoTrackEnabled:(BOOL)enabled
- {
- if (!enabled)
- _mediaPlayer.currentVideoTrackIndex = -1;
- else if (_mediaPlayer.currentVideoTrackIndex == -1) {
- for (NSNumber *trackId in _mediaPlayer.videoTrackIndexes) {
- if ([trackId intValue] != -1) {
- _mediaPlayer.currentVideoTrackIndex = [trackId intValue];
- break;
- }
- }
- }
- }
- - (void)setVideoOutputView:(UIView *)videoOutputView
- {
- if (videoOutputView) {
- if ([_actualVideoOutputView superview] != nil)
- [_actualVideoOutputView removeFromSuperview];
- _actualVideoOutputView.frame = (CGRect){CGPointZero, videoOutputView.frame.size};
- [self setVideoTrackEnabled:true];
- [videoOutputView addSubview:_actualVideoOutputView];
- [_actualVideoOutputView layoutSubviews];
- [_actualVideoOutputView updateConstraints];
- [_actualVideoOutputView setNeedsLayout];
- } else
- [_actualVideoOutputView removeFromSuperview];
- _videoOutputViewWrapper = videoOutputView;
- }
- - (UIView *)videoOutputView
- {
- return _videoOutputViewWrapper;
- }
- #pragma mark - 360 Support
- #if !TARGET_OS_TV
- - (BOOL)updateViewpoint:(CGFloat)yaw pitch:(CGFloat)pitch roll:(CGFloat)roll fov:(CGFloat)fov absolute:(BOOL)absolute
- {
- return [_mediaPlayer updateViewpoint:yaw pitch:pitch roll:roll fov:fov absolute:absolute];
- }
- - (NSInteger)currentMediaProjection
- {
- VLCMedia *media = [_mediaPlayer media];
- NSInteger currentVideoTrackIndex = [_mediaPlayer currentVideoTrackIndex];
- if (media && currentVideoTrackIndex >= 0) {
- NSArray *tracksInfo = media.tracksInformation;
- for (NSDictionary *track in tracksInfo) {
- if ([track[VLCMediaTracksInformationType] isEqualToString:VLCMediaTracksInformationTypeVideo]) {
- return [track[VLCMediaTracksInformationVideoProjection] integerValue];
- }
- }
- }
- return -1;
- }
- #endif
- #pragma mark - equalizer
- - (void)setAmplification:(CGFloat)amplification forBand:(unsigned int)index
- {
- if (!_mediaPlayer.equalizerEnabled)
- [_mediaPlayer setEqualizerEnabled:YES];
- [_mediaPlayer setAmplification:amplification forBand:index];
- // For some reason we have to apply again preamp to apply change
- [_mediaPlayer setPreAmplification:[_mediaPlayer preAmplification]];
- }
- - (CGFloat)amplificationOfBand:(unsigned int)index
- {
- return [_mediaPlayer amplificationOfBand:index];
- }
- - (NSArray *)equalizerProfiles
- {
- return _mediaPlayer.equalizerProfiles;
- }
- - (void)resetEqualizerFromProfile:(unsigned int)profile
- {
- [[NSUserDefaults standardUserDefaults] setObject:@(profile) forKey:kVLCSettingEqualizerProfile];
- [_mediaPlayer resetEqualizerFromProfile:profile];
- }
- - (void)setPreAmplification:(CGFloat)preAmplification
- {
- if (!_mediaPlayer.equalizerEnabled)
- [_mediaPlayer setEqualizerEnabled:YES];
- [_mediaPlayer setPreAmplification:preAmplification];
- }
- - (CGFloat)preAmplification
- {
- return [_mediaPlayer preAmplification];
- }
- #pragma mark - AVSession delegate
- - (void)beginInterruption
- {
- if ([_mediaPlayer isPlaying]) {
- [_mediaPlayer pause];
- _shouldResumePlayingAfterInteruption = YES;
- }
- }
- - (void)endInterruption
- {
- if (_shouldResumePlayingAfterInteruption) {
- [_mediaPlayer play];
- _shouldResumePlayingAfterInteruption = NO;
- }
- }
- - (BOOL)areHeadphonesPlugged
- {
- NSArray *outputs = [[AVAudioSession sharedInstance] currentRoute].outputs;
- NSString *portName = [[outputs firstObject] portName];
- return [portName isEqualToString:@"Headphones"];
- }
- - (void)audioSessionRouteChange:(NSNotification *)notification
- {
- NSDictionary *userInfo = notification.userInfo;
- NSInteger routeChangeReason = [[userInfo valueForKey:AVAudioSessionRouteChangeReasonKey] integerValue];
- if (routeChangeReason == AVAudioSessionRouteChangeReasonRouteConfigurationChange)
- return;
- BOOL headphonesPlugged = [self areHeadphonesPlugged];
- if (_headphonesWasPlugged && !headphonesPlugged && [_mediaPlayer isPlaying]) {
- [_mediaPlayer pause];
- #if TARGET_OS_IOS
- [self _savePlaybackState];
- #endif
- [[NSNotificationCenter defaultCenter] postNotificationName:VLCPlaybackControllerPlaybackDidPause object:self];
- }
- _headphonesWasPlugged = headphonesPlugged;
- }
- #pragma mark - Managing the media item
- #if TARGET_OS_IOS
- - (MLFile *)currentlyPlayingMediaFile {
- if (self.mediaList) {
- NSArray *results = [MLFile fileForURL:_mediaPlayer.media.url];
- return results.firstObject;
- }
- return nil;
- }
- #endif
- #pragma mark - metadata handling
- - (void)mediaDidFinishParsing:(VLCMedia *)aMedia
- {
- [self setNeedsMetadataUpdate];
- }
- - (void)mediaMetaDataDidChange:(VLCMedia*)aMedia
- {
- [self setNeedsMetadataUpdate];
- }
- - (void)setNeedsMetadataUpdate
- {
- if (_needsMetadataUpdate == NO) {
- _needsMetadataUpdate = YES;
- dispatch_async(dispatch_get_main_queue(), ^{
- [self _updateDisplayedMetadata];
- });
- }
- }
- - (void)_updateDisplayedMetadata
- {
- _needsMetadataUpdate = NO;
- NSNumber *trackNumber;
- NSString *title;
- NSString *artist;
- NSString *albumName;
- UIImage* artworkImage;
- BOOL mediaIsAudioOnly = NO;
- #if TARGET_OS_IOS
- MLFile *item;
- if (self.mediaList) {
- NSArray *matches = [MLFile fileForURL:_mediaPlayer.media.url];
- item = matches.firstObject;
- }
- if (item) {
- if (item.isAlbumTrack) {
- title = item.albumTrack.title;
- artist = item.albumTrack.artist;
- albumName = item.albumTrack.album.name;
- } else
- title = item.title;
- /* MLKit knows better than us if this thing is audio only or not */
- mediaIsAudioOnly = [item isSupportedAudioFile];
- } else {
- #endif
- NSDictionary * metaDict = _mediaPlayer.media.metaDictionary;
- if (metaDict) {
- title = metaDict[VLCMetaInformationNowPlaying] ? metaDict[VLCMetaInformationNowPlaying] : metaDict[VLCMetaInformationTitle];
- artist = metaDict[VLCMetaInformationArtist];
- albumName = metaDict[VLCMetaInformationAlbum];
- trackNumber = metaDict[VLCMetaInformationTrackNumber];
- }
- #if TARGET_OS_IOS
- }
- #endif
- if (!mediaIsAudioOnly) {
- /* either what we are playing is not a file known to MLKit or
- * MLKit fails to acknowledge that it is audio-only.
- * Either way, do a more expensive check to see if it is really audio-only */
- NSArray *tracks = _mediaPlayer.media.tracksInformation;
- NSUInteger trackCount = tracks.count;
- mediaIsAudioOnly = YES;
- for (NSUInteger x = 0 ; x < trackCount; x++) {
- if ([[tracks[x] objectForKey:VLCMediaTracksInformationType] isEqualToString:VLCMediaTracksInformationTypeVideo]) {
- mediaIsAudioOnly = NO;
- break;
- }
- }
- }
- if (mediaIsAudioOnly) {
- #if TARGET_OS_IOS
- artworkImage = [VLCThumbnailsCache thumbnailForManagedObject:item];
- if (artworkImage) {
- if (artist)
- title = [title stringByAppendingFormat:@" — %@", artist];
- if (albumName)
- title = [title stringByAppendingFormat:@" — %@", albumName];
- }
- #endif
- if (title.length < 1)
- title = [[_mediaPlayer.media url] lastPathComponent];
- }
- /* populate delegate with metadata info */
- if ([self.delegate respondsToSelector:@selector(displayMetadataForPlaybackController:title:artwork:artist:album:audioOnly:)])
- [self.delegate displayMetadataForPlaybackController:self
- title:title
- artwork:artworkImage
- artist:artist
- album:albumName
- audioOnly:mediaIsAudioOnly];
- /* populate now playing info center with metadata information */
- NSMutableDictionary *currentlyPlayingTrackInfo = [NSMutableDictionary dictionary];
- currentlyPlayingTrackInfo[MPMediaItemPropertyPlaybackDuration] = @(_mediaPlayer.media.length.intValue / 1000.);
- currentlyPlayingTrackInfo[MPNowPlayingInfoPropertyElapsedPlaybackTime] = @(_mediaPlayer.time.intValue / 1000.);
- currentlyPlayingTrackInfo[MPNowPlayingInfoPropertyPlaybackRate] = @(_mediaPlayer.isPlaying ? _mediaPlayer.rate : 0.0);
- /* don't leak sensitive information to the OS, if passcode lock is enabled */
- #if TARGET_OS_IOS
- if (![[VLCKeychainCoordinator defaultCoordinator] passcodeLockEnabled]) {
- #endif
- if (title)
- currentlyPlayingTrackInfo[MPMediaItemPropertyTitle] = title;
- if (artist.length > 0)
- currentlyPlayingTrackInfo[MPMediaItemPropertyArtist] = artist;
- if (albumName.length > 0)
- currentlyPlayingTrackInfo[MPMediaItemPropertyAlbumTitle] = albumName;
- if ([trackNumber intValue] > 0)
- currentlyPlayingTrackInfo[MPMediaItemPropertyAlbumTrackNumber] = trackNumber;
- #if TARGET_OS_IOS
- /* FIXME: UGLY HACK
- * iOS 8.2 and 8.3 include an issue which will lead to a termination of the client app if we set artwork
- * when the playback initialized through the watch extension
- * radar://pending */
- if ([WKInterfaceDevice class] != nil) {
- if ([WKInterfaceDevice currentDevice] != nil)
- goto setstuff;
- }
- if (artworkImage) {
- MPMediaItemArtwork *mpartwork = [[MPMediaItemArtwork alloc] initWithImage:artworkImage];
- currentlyPlayingTrackInfo[MPMediaItemPropertyArtwork] = mpartwork;
- }
- }
- #endif
- setstuff:
- [MPNowPlayingInfoCenter defaultCenter].nowPlayingInfo = currentlyPlayingTrackInfo;
- [[NSNotificationCenter defaultCenter] postNotificationName:VLCPlaybackControllerPlaybackMetadataDidChange object:self];
- _title = title;
- _artist = artist;
- _albumName = albumName;
- _artworkImage = artworkImage;
- _mediaIsAudioOnly = mediaIsAudioOnly;
- }
- #if TARGET_OS_IOS
- - (void)_recoverLastPlaybackStateOfItem:(MLFile *)item
- {
- if (item) {
- if (_mediaPlayer.numberOfAudioTracks > 2) {
- if (item.lastAudioTrack.intValue > 0)
- _mediaPlayer.currentAudioTrackIndex = item.lastAudioTrack.intValue;
- }
- if (_mediaPlayer.numberOfSubtitlesTracks > 2) {
- if (item.lastSubtitleTrack.intValue > 0)
- _mediaPlayer.currentVideoSubTitleIndex = item.lastSubtitleTrack.intValue;
- }
- CGFloat lastPosition = .0;
- NSInteger duration = 0;
- if (item.lastPosition)
- lastPosition = item.lastPosition.floatValue;
- duration = item.duration.intValue;
- if (lastPosition < .95 && _mediaPlayer.position < lastPosition && (duration * lastPosition - duration) < -50000) {
- NSInteger continuePlayback;
- if ([item isAlbumTrack] || [item isSupportedAudioFile])
- continuePlayback = [[[NSUserDefaults standardUserDefaults] objectForKey:kVLCSettingContinueAudioPlayback] integerValue];
- else
- continuePlayback = [[[NSUserDefaults standardUserDefaults] objectForKey:kVLCSettingContinuePlayback] integerValue];
- if (continuePlayback == 1) {
- _mediaPlayer.position = lastPosition;
- } else if (continuePlayback == 0) {
- VLCAlertView *alert = [[VLCAlertView alloc] initWithTitle:NSLocalizedString(@"CONTINUE_PLAYBACK", nil)
- message:[NSString stringWithFormat:NSLocalizedString(@"CONTINUE_PLAYBACK_LONG", nil), item.title]
- delegate:self
- cancelButtonTitle:NSLocalizedString(@"BUTTON_CANCEL", nil)
- otherButtonTitles:NSLocalizedString(@"BUTTON_CONTINUE", nil), nil];
- alert.completion = ^(BOOL cancelled, NSInteger buttonIndex) {
- if (!cancelled) {
- _mediaPlayer.position = lastPosition;
- }
- };
- [alert show];
- }
- }
- }
- }
- #endif
- - (void)recoverDisplayedMetadata
- {
- if ([self.delegate respondsToSelector:@selector(displayMetadataForPlaybackController:title:artwork:artist:album:audioOnly:)])
- [self.delegate displayMetadataForPlaybackController:self
- title:_title
- artwork:_artworkImage
- artist:_artist
- album:_albumName
- audioOnly:_mediaIsAudioOnly];
- }
- - (void)recoverPlaybackState
- {
- if ([self.delegate respondsToSelector:@selector(mediaPlayerStateChanged:isPlaying:currentMediaHasTrackToChooseFrom:currentMediaHasChapters:forPlaybackController:)])
- [self.delegate mediaPlayerStateChanged:_mediaPlayer.state
- isPlaying:self.isPlaying
- currentMediaHasTrackToChooseFrom:self.currentMediaHasTrackToChooseFrom
- currentMediaHasChapters:self.currentMediaHasChapters
- forPlaybackController:self];
- if ([self.delegate respondsToSelector:@selector(prepareForMediaPlayback:)])
- [self.delegate prepareForMediaPlayback:self];
- }
- - (void)scheduleSleepTimerWithInterval:(NSTimeInterval)timeInterval
- {
- if (_sleepTimer) {
- [_sleepTimer invalidate];
- _sleepTimer = nil;
- }
- _sleepTimer = [NSTimer scheduledTimerWithTimeInterval:timeInterval target:self selector:@selector(stopPlayback) userInfo:nil repeats:NO];
- }
- #pragma mark - background interaction
- - (void)applicationWillResignActive:(NSNotification *)aNotification
- {
- #if TARGET_OS_IOS
- [self _savePlaybackState];
- #endif
- if (![[[NSUserDefaults standardUserDefaults] objectForKey:kVLCSettingContinueAudioInBackgroundKey] boolValue]) {
- if ([_mediaPlayer isPlaying]) {
- [_mediaPlayer pause];
- _shouldResumePlaying = YES;
- }
- }
- }
- - (void)applicationDidEnterBackground:(NSNotification *)notification
- {
- _preBackgroundWrapperView = _videoOutputViewWrapper;
- if (_mediaPlayer.audioTrackIndexes.count > 0)
- [self setVideoTrackEnabled:false];
- }
- - (void)applicationDidBecomeActive:(NSNotification *)notification
- {
- if (_preBackgroundWrapperView) {
- [self setVideoOutputView:_preBackgroundWrapperView];
- _preBackgroundWrapperView = nil;
- }
- [self setVideoTrackEnabled:true];
- if (_shouldResumePlaying) {
- _shouldResumePlaying = NO;
- [_listPlayer play];
- }
- }
- #pragma mark - remoteControlDelegate
- - (void)remoteControlServiceHitPause:(VLCRemoteControlService *)rcs
- {
- [_listPlayer pause];
- }
- - (void)remoteControlServiceHitPlay:(VLCRemoteControlService *)rcs
- {
- [_listPlayer play];
- }
- - (void)remoteControlServiceTogglePlayPause:(VLCRemoteControlService *)rcs
- {
- [self playPause];
- }
- - (void)remoteControlServiceHitStop:(VLCRemoteControlService *)rcs
- {
- //TODO handle stop playback entirely
- [_listPlayer stop];
- }
- - (BOOL)remoteControlServiceHitPlayNextIfPossible:(VLCRemoteControlService *)rcs
- {
- //TODO This doesn't handle shuffle or repeat yet
- return [_listPlayer next];
- }
- - (BOOL)remoteControlServiceHitPlayPreviousIfPossible:(VLCRemoteControlService *)rcs
- {
- //TODO This doesn't handle shuffle or repeat yet
- return [_listPlayer previous];
- }
- - (void)remoteControlService:(VLCRemoteControlService *)rcs jumpForwardInSeconds:(NSTimeInterval)seconds
- {
- [_mediaPlayer jumpForward:seconds];
- }
- - (void)remoteControlService:(VLCRemoteControlService *)rcs jumpBackwardInSeconds:(NSTimeInterval)seconds
- {
- [_mediaPlayer jumpBackward:seconds];
- }
- - (NSInteger)remoteControlServiceNumberOfMediaItemsinList:(VLCRemoteControlService *)rcs
- {
- return _mediaList.count;
- }
- - (void)remoteControlService:(VLCRemoteControlService *)rcs setPlaybackRate:(CGFloat)playbackRate
- {
- self.playbackRate = playbackRate;
- }
- #pragma mark - helpers
- - (NSDictionary *)mediaOptionsDictionary
- {
- NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
- return @{ kVLCSettingNetworkCaching : [defaults objectForKey:kVLCSettingNetworkCaching],
- kVLCSettingStretchAudio : [[defaults objectForKey:kVLCSettingStretchAudio] boolValue] ? kVLCSettingStretchAudioOnValue : kVLCSettingStretchAudioOffValue,
- kVLCSettingTextEncoding : [defaults objectForKey:kVLCSettingTextEncoding],
- kVLCSettingSkipLoopFilter : [defaults objectForKey:kVLCSettingSkipLoopFilter],
- kVLCSettingHardwareDecoding : [defaults objectForKey:kVLCSettingHardwareDecoding]};
- }
- @end
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