VLCMovieViewController.m 68.2 KB
Newer Older
1 2 3 4
/*****************************************************************************
 * VLCMovieViewController.m
 * VLC for iOS
 *****************************************************************************
Felix Paul Kühne's avatar
Felix Paul Kühne committed
5
 * Copyright (c) 2013-2014 VideoLAN. All rights reserved.
6 7 8 9 10 11 12 13 14 15 16
 * $Id$
 *
 * Authors: Felix Paul Kühne <fkuehne # videolan.org>
 *          Gleb Pinigin <gpinigin # gmail.com>
 *          Ahmad Harb <harb.dev.leb # gmail.com>
 *          Fabio Ritrovato <sephiroth87 # videolan.org>
 *          Pierre SAGASPE <pierre.sagaspe # me.com>
 *          Jean-Baptiste Kempf <jb # videolan.org>
 *
 * Refer to the COPYING file of the official project for license.
 *****************************************************************************/
Felix Paul Kühne's avatar
Felix Paul Kühne committed
17

18
#import "VLCMovieViewController.h"
19
#import "VLCExternalDisplayController.h"
20
#import <AVFoundation/AVFoundation.h>
21
#import <CommonCrypto/CommonDigest.h>
22
#import "UIDevice+SpeedCategory.h"
23
#import "VLCBugreporter.h"
24
#import "VLCThumbnailsCache.h"
25 26
#import "VLCTrackSelectorTableViewCell.h"
#import "VLCTrackSelectorHeaderView.h"
27 28 29

#import "OBSlider.h"
#import "VLCStatusLabel.h"
Felix Paul Kühne's avatar
Felix Paul Kühne committed
30

31
#define INPUT_RATE_DEFAULT  1000.
32 33
#define FORWARD_SWIPE_DURATION 30
#define BACKWARD_SWIPE_DURATION 10
34

35 36 37 38
#define TRACK_SELECTOR_TABLEVIEW_CELL @"track selector table view cell"
#define TRACK_SELECTOR_TABLEVIEW_SECTIONHEADER @"track selector table view section header"

@interface VLCMovieViewController () <UIGestureRecognizerDelegate, AVAudioSessionDelegate, VLCMediaDelegate, UITableViewDataSource, UITableViewDelegate>
39
{
40
    VLCMediaListPlayer *_listPlayer;
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55
    VLCMediaPlayer *_mediaPlayer;

    BOOL _controlsHidden;
    BOOL _videoFiltersHidden;
    BOOL _playbackSpeedViewHidden;

    UIActionSheet *_subtitleActionSheet;
    UIActionSheet *_audiotrackActionSheet;

    float _currentPlaybackRate;
    NSArray *_aspectRatios;
    NSUInteger _currentAspectRatioMask;

    NSTimer *_idleTimer;

56
    BOOL _shouldResumePlaying;
57
    BOOL _viewAppeared;
58
    BOOL _displayRemainingTime;
59
    BOOL _positionSet;
60
    BOOL _playerIsSetup;
61
    BOOL _isScrubbing;
Ahmad Harb's avatar
Ahmad Harb committed
62 63 64

    BOOL _swipeGesturesEnabled;
    NSString * panType;
65
    UIPinchGestureRecognizer *_pinchRecognizer;
Ahmad Harb's avatar
Ahmad Harb committed
66 67 68
    UIPanGestureRecognizer *_panRecognizer;
    UISwipeGestureRecognizer *_swipeRecognizerLeft;
    UISwipeGestureRecognizer *_swipeRecognizerRight;
69
    UITapGestureRecognizer *_tapRecognizer;
70
    UITapGestureRecognizer *_tapOnVideoRecognizer;
71 72 73

    UIView *_trackSelectorContainer;
    UITableView *_trackSelectorTableView;
74 75
}

Felix Paul Kühne's avatar
Felix Paul Kühne committed
76 77
@property (nonatomic, strong) UIPopoverController *masterPopoverController;
@property (nonatomic, strong) UIWindow *externalWindow;
Felix Paul Kühne's avatar
Felix Paul Kühne committed
78 79
@end

80
@implementation VLCMovieViewController
Felix Paul Kühne's avatar
Felix Paul Kühne committed
81

82 83 84 85 86 87 88
+ (void)initialize
{
    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
    NSDictionary *appDefaults = @{kVLCShowRemainingTime : @(YES)};
    [defaults registerDefaults:appDefaults];
}

Felix Paul Kühne's avatar
Felix Paul Kühne committed
89 90
- (void)dealloc
{
91 92
    [[NSNotificationCenter defaultCenter] removeObserver:self];

93
    if (_tapRecognizer)
94
        [self.view removeGestureRecognizer:_tapRecognizer];
Ahmad Harb's avatar
Ahmad Harb committed
95
    if (_swipeRecognizerLeft)
96
        [self.view removeGestureRecognizer:_swipeRecognizerLeft];
Ahmad Harb's avatar
Ahmad Harb committed
97
    if (_swipeRecognizerRight)
98
        [self.view removeGestureRecognizer:_swipeRecognizerRight];
Ahmad Harb's avatar
Ahmad Harb committed
99
    if (_panRecognizer)
100
        [self.view removeGestureRecognizer:_panRecognizer];
101 102 103 104
    if (_pinchRecognizer)
        [self.view removeGestureRecognizer:_pinchRecognizer];
    [self.view removeGestureRecognizer:_tapOnVideoRecognizer];

105 106 107 108
    _tapRecognizer = nil;
    _swipeRecognizerLeft = nil;
    _swipeRecognizerRight = nil;
    _panRecognizer = nil;
109 110 111 112
    _pinchRecognizer = nil;
    _tapOnVideoRecognizer = nil;

    [[NSNotificationCenter defaultCenter] removeObserver:self];
Felix Paul Kühne's avatar
Felix Paul Kühne committed
113 114
}

115
#pragma mark - Managing the media item
Felix Paul Kühne's avatar
Felix Paul Kühne committed
116

117
- (void)setFileFromMediaLibrary:(id)newFile
Felix Paul Kühne's avatar
Felix Paul Kühne committed
118
{
119
    if (_fileFromMediaLibrary != newFile) {
120
        [self _stopPlayback];
121
        _fileFromMediaLibrary = newFile;
122 123 124
        if (_viewAppeared)
            [self _startPlayback];
    }
Felix Paul Kühne's avatar
Felix Paul Kühne committed
125

126
    if (self.masterPopoverController != nil)
Felix Paul Kühne's avatar
Felix Paul Kühne committed
127 128 129
        [self.masterPopoverController dismissPopoverAnimated:YES];
}

130 131
- (void)setUrl:(NSURL *)url
{
132 133 134 135 136
    [self _stopPlayback];
    _url = url;
    _playerIsSetup = NO;
    if (_viewAppeared)
        [self _startPlayback];
137 138
}

139 140 141 142 143 144 145 146 147
- (void)setMediaList:(VLCMediaList *)mediaList
{
    [self _stopPlayback];
    _mediaList = mediaList;
    _playerIsSetup = NO;
    if (_viewAppeared)
        [self _startPlayback];
}

148
- (void)viewDidLoad
Felix Paul Kühne's avatar
Felix Paul Kühne committed
149
{
150
    [super viewDidLoad];
151 152
    CGRect rect;

153 154
    self.wantsFullScreenLayout = YES;

155 156
    self.videoFilterView.hidden = YES;
    _videoFiltersHidden = YES;
157
    _hueLabel.text = NSLocalizedString(@"VFILTER_HUE", nil);
158 159
    _hueSlider.accessibilityLabel = _hueLabel.text;
    _hueSlider.isAccessibilityElement = YES;
160
    _contrastLabel.text = NSLocalizedString(@"VFILTER_CONTRAST", nil);
161 162
    _contrastSlider.accessibilityLabel = _contrastLabel.text;
    _contrastSlider.isAccessibilityElement = YES;
163
    _brightnessLabel.text = NSLocalizedString(@"VFILTER_BRIGHTNESS", nil);
164 165
    _brightnessSlider.accessibilityLabel = _brightnessLabel.text;
    _brightnessSlider.isAccessibilityElement = YES;
166
    _saturationLabel.text = NSLocalizedString(@"VFILTER_SATURATION", nil);
167 168
    _saturationSlider.accessibilityLabel = _saturationLabel.text;
    _saturationSlider.isAccessibilityElement = YES;
169
    _gammaLabel.text = NSLocalizedString(@"VFILTER_GAMMA", nil);
170 171
    _gammaSlider.accessibilityLabel = _gammaLabel.text;
    _gammaSlider.isAccessibilityElement = YES;
172
    _playbackSpeedLabel.text = NSLocalizedString(@"PLAYBACK_SPEED", nil);
173 174
    _playbackSpeedSlider.accessibilityLabel = _playbackSpeedLabel.text;
    _playbackSpeedSlider.isAccessibilityElement = YES;
175 176 177 178 179 180
    _audioDelayLabel.text = NSLocalizedString(@"AUDIO_DELAY", nil);
    _audioDelaySlider.accessibilityLabel = _audioDelayLabel.text;
    _audioDelaySlider.isAccessibilityElement = YES;
    _spuDelayLabel.text = NSLocalizedString(@"SPU_DELAY", nil);
    _spuDelaySlider.accessibilityLabel = _spuDelayLabel.text;
    _spuDelaySlider.isAccessibilityElement = YES;
181

182
    _positionSlider.accessibilityLabel = NSLocalizedString(@"PLAYBACK_POSITION", nil);
183 184 185
    _positionSlider.isAccessibilityElement = YES;
    _timeDisplay.isAccessibilityElement = YES;

186
    _audioSwitcherButton.accessibilityLabel = NSLocalizedString(@"CHOOSE_AUDIO_TRACK", nil);
187
    _audioSwitcherButton.isAccessibilityElement = YES;
188
    _audioSwitcherButtonLandscape.accessibilityLabel = NSLocalizedString(@"CHOOSE_AUDIO_TRACK", nil);
189
    _audioSwitcherButtonLandscape.isAccessibilityElement = YES;
190
    _subtitleSwitcherButton.accessibilityLabel = NSLocalizedString(@"CHOOSE_SUBTITLE_TRACK", nil);
191
    _subtitleSwitcherButton.isAccessibilityElement = YES;
192
    _subtitleSwitcherButtonLandscape.accessibilityLabel = NSLocalizedString(@"CHOOSE_SUBTITLE_TRACK", nil);
193
    _subtitleSwitcherButtonLandscape.isAccessibilityElement = YES;
194 195
    _playbackSpeedButton.accessibilityLabel = _playbackSpeedLabel.text;
    _playbackSpeedButton.isAccessibilityElement = YES;
196 197
    _playbackSpeedButtonLandscape.accessibilityLabel = _playbackSpeedLabel.text;
    _playbackSpeedButtonLandscape.isAccessibilityElement = YES;
198
    _videoFilterButton.accessibilityLabel = NSLocalizedString(@"VIDEO_FILTER", nil);
199
    _videoFilterButton.isAccessibilityElement = YES;
200
    _videoFilterButtonLandscape.accessibilityLabel = NSLocalizedString(@"VIDEO_FILTER", nil);
201
    _videoFilterButtonLandscape.isAccessibilityElement = YES;
202
    _resetVideoFilterButton.accessibilityLabel = NSLocalizedString(@"VIDEO_FILTER_RESET_BUTTON", nil);
203
    _resetVideoFilterButton.isAccessibilityElement = YES;
204
    _aspectRatioButton.accessibilityLabel = NSLocalizedString(@"VIDEO_ASPECT_RATIO_BUTTON", nil);
205
    _aspectRatioButton.isAccessibilityElement = YES;
206
    _playPauseButton.accessibilityLabel = NSLocalizedString(@"PLAY_PAUSE_BUTTON", nil);
207
    _playPauseButton.isAccessibilityElement = YES;
208
    _playPauseButtonLandscape.accessibilityLabel = NSLocalizedString(@"PLAY_PAUSE_BUTTON", nil);
209
    _playPauseButtonLandscape.isAccessibilityElement = YES;
210
    _bwdButton.accessibilityLabel = NSLocalizedString(@"BWD_BUTTON", nil);
211
    _bwdButton.isAccessibilityElement = YES;
212
    _bwdButtonLandscape.accessibilityLabel = NSLocalizedString(@"BWD_BUTTON", nil);
213
    _bwdButtonLandscape.isAccessibilityElement = YES;
214
    _fwdButton.accessibilityLabel = NSLocalizedString(@"FWD_BUTTON", nil);
215
    _fwdButton.isAccessibilityElement = YES;
216
    _fwdButtonLandscape.accessibilityLabel = NSLocalizedString(@"FWD_BUTTON", nil);
217
    _fwdButtonLandscape.isAccessibilityElement = YES;
218
    _repeatButton.accessibilityLabel = NSLocalizedString(@"BUTTON_REPEAT", nil);
Felix Paul Kühne's avatar
Felix Paul Kühne committed
219
    _repeatButton.isAccessibilityElement = YES;
220

221
    _scrubHelpLabel.text = NSLocalizedString(@"PLAYBACK_SCRUB_HELP", nil);
222

223 224
    self.playbackSpeedView.hidden = YES;
    _playbackSpeedViewHidden = YES;
225

226 227 228 229 230
    NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
    [center addObserver:self selector:@selector(handleExternalScreenDidConnect:)
                   name:UIScreenDidConnectNotification object:nil];
    [center addObserver:self selector:@selector(handleExternalScreenDidDisconnect:)
                   name:UIScreenDidDisconnectNotification object:nil];
231 232 233 234 235 236
    [center addObserver:self selector:@selector(applicationWillResignActive:)
                   name:UIApplicationWillResignActiveNotification object:nil];
    [center addObserver:self selector:@selector(applicationDidBecomeActive:)
                   name:UIApplicationDidBecomeActiveNotification object:nil];
    [center addObserver:self selector:@selector(applicationDidEnterBackground:)
                   name:UIApplicationDidEnterBackgroundNotification object:nil];
237 238
    [center addObserver:self selector:@selector(audioSessionRouteChange:)
                   name:AVAudioSessionRouteChangeNotification object:nil];
239

240 241
    _playingExternallyTitle.text = NSLocalizedString(@"PLAYING_EXTERNALLY_TITLE", nil);
    _playingExternallyDescription.text = NSLocalizedString(@"PLAYING_EXTERNALLY_DESC", nil);
242
    if ([self hasExternalDisplay])
243
        [self showOnExternalDisplay];
244

245 246
    self.trackNameLabel.text = self.artistNameLabel.text = self.albumNameLabel.text = @"";

247
    _movieView.userInteractionEnabled = NO;
248 249 250
    _tapOnVideoRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(toggleControlsVisible)];
    _tapOnVideoRecognizer.delegate = self;
    [self.view addGestureRecognizer:_tapOnVideoRecognizer];
251

252 253 254
    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
    _displayRemainingTime = [[defaults objectForKey:kVLCShowRemainingTime] boolValue];
    _swipeGesturesEnabled = [[defaults objectForKey:kVLCSettingPlaybackGestures] boolValue];
255

256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281
    _pinchRecognizer = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(handlePinchGesture:)];
    _pinchRecognizer.delegate = self;
    [self.view addGestureRecognizer:_pinchRecognizer];

    _tapRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapRecognized)];
    [_tapRecognizer setNumberOfTouchesRequired:2];
    _panRecognizer = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(panRecognized:)];
    [_panRecognizer setMinimumNumberOfTouches:1];
    [_panRecognizer setMaximumNumberOfTouches:1];

    _swipeRecognizerLeft = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeRecognized:)];
    _swipeRecognizerLeft.direction = UISwipeGestureRecognizerDirectionLeft;
    _swipeRecognizerRight = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeRecognized:)];
    _swipeRecognizerRight.direction = UISwipeGestureRecognizerDirectionRight;

    [self.view addGestureRecognizer:_swipeRecognizerLeft];
    [self.view addGestureRecognizer:_swipeRecognizerRight];
    [self.view addGestureRecognizer:_panRecognizer];
    [self.view addGestureRecognizer:_tapRecognizer];
    [_panRecognizer requireGestureRecognizerToFail:_swipeRecognizerLeft];
    [_panRecognizer requireGestureRecognizerToFail:_swipeRecognizerRight];

    _panRecognizer.delegate = self;
    _swipeRecognizerRight.delegate = self;
    _swipeRecognizerLeft.delegate = self;
    _tapRecognizer.delegate = self;
282

283
    _aspectRatios = @[@"DEFAULT", @"FILL_TO_SCREEN", @"4:3", @"16:9", @"16:10", @"2.21:1"];
284

285
    [self.aspectRatioButton setImage:[UIImage imageNamed:@"ratioIcon"] forState:UIControlStateNormal];
Felix Paul Kühne's avatar
Felix Paul Kühne committed
286
    if (SYSTEM_RUNS_IOS7_OR_LATER) {
287
        self.backButton.tintColor = [UIColor colorWithRed:(190.0f/255.0f) green:(190.0f/255.0f) blue:(190.0f/255.0f) alpha:1.];
288
        self.toolbar.tintColor = [UIColor whiteColor];
289
        self.toolbar.barStyle = UIBarStyleBlack;
290

291
        rect = self.resetVideoFilterButton.frame;
292 293
        rect.origin.y = rect.origin.y + 5.;
        self.resetVideoFilterButton.frame = rect;
294 295 296 297
        rect = self.toolbar.frame;
        rect.size.height = rect.size.height + rect.origin.y;
        rect.origin.y = 0;
        self.toolbar.frame = rect;
298 299 300 301 302 303 304 305 306 307
        rect = self.aspectRatioButton.frame;
        rect.size.width -= 19.;
        rect.origin.x += 19.;
        self.aspectRatioButton.frame = rect;
        rect = self.timeDisplay.frame;
        rect.origin.x += 19.;
        self.timeDisplay.frame = rect;
        rect = self.positionSlider.frame;
        rect.size.width += 19.;
        self.positionSlider.frame = rect;
308
    } else {
309
        rect = self.positionSlider.frame;
310 311
        rect.origin.y = rect.origin.y + 3.;
        self.positionSlider.frame = rect;
Felix Paul Kühne's avatar
Felix Paul Kühne committed
312 313
        [self.aspectRatioButton setBackgroundImage:[UIImage imageNamed:@"ratioButton"] forState:UIControlStateNormal];
        [self.aspectRatioButton setBackgroundImage:[UIImage imageNamed:@"ratioButtonHighlight"] forState:UIControlStateHighlighted];
314
        [self.toolbar setBackgroundImage:[UIImage imageNamed:@"seekbarBg"] forBarMetrics:UIBarMetricsDefault];
315 316 317
        [self.backButton setBackgroundImage:[UIImage imageNamed:@"playbackDoneButton"] forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];
        [self.backButton setBackgroundImage:[UIImage imageNamed:@"playbackDoneButtonHighlight"] forState:UIControlStateHighlighted barMetrics:UIBarMetricsDefault];
    }
318

319
    /* FIXME: there is a saner iOS 6+ API for this! */
320
    /* this looks a bit weird, but we need to support iOS 5 and should show the same appearance */
321 322 323 324 325 326 327
    void (^initVolumeSlider)(MPVolumeView *) = ^(MPVolumeView *volumeView){
        UISlider *volumeSlider = nil;
        for (id aView in volumeView.subviews){
            if ([[[aView class] description] isEqualToString:@"MPVolumeSlider"]){
                volumeSlider = (UISlider *)aView;
                break;
            }
328
        }
329 330 331 332 333 334 335 336 337 338 339 340 341
        if (!SYSTEM_RUNS_IOS7_OR_LATER) {
            [volumeSlider setMinimumTrackImage:[[UIImage imageNamed:@"sliderminiValue"]resizableImageWithCapInsets:UIEdgeInsetsMake(0, 4, 0, 0)] forState:UIControlStateNormal];
            [volumeSlider setMaximumTrackImage:[[UIImage imageNamed:@"slidermaxValue"] resizableImageWithCapInsets:UIEdgeInsetsMake(0, 0, 0, 4)] forState:UIControlStateNormal];
            [volumeSlider setThumbImage:[UIImage imageNamed:@"volumeballslider"] forState:UIControlStateNormal];
        } else
            [volumeView setVolumeThumbImage:[UIImage imageNamed:@"modernSliderKnob"] forState:UIControlStateNormal];
        [volumeSlider addTarget:self
                         action:@selector(volumeSliderAction:)
               forControlEvents:UIControlEventValueChanged];
    };

    initVolumeSlider(self.volumeView);
    initVolumeSlider(self.volumeViewLandscape);
342

343
    [[AVAudioSession sharedInstance] setDelegate:self];
344 345 346

    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
        self.positionSlider.scrubbingSpeedChangePositions = @[@(0.), @(100.), @(200.), @(300)];
347 348

    _playerIsSetup = NO;
349

350 351
    [self.movieView setAccessibilityLabel:NSLocalizedString(@"VO_VIDEOPLAYER_TITLE", nil)];
    [self.movieView setAccessibilityHint:NSLocalizedString(@"VO_VIDEOPLAYER_DOUBLETAP", nil)];
352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373

    rect = self.view.frame;

    _trackSelectorTableView = [[UITableView alloc] initWithFrame:CGRectMake(0., 0., 300., 320.) style:UITableViewStylePlain];
    _trackSelectorTableView.delegate = self;
    _trackSelectorTableView.dataSource = self;
    _trackSelectorTableView.separatorColor = [UIColor VLCDarkBackgroundColor];
    _trackSelectorTableView.indicatorStyle = UIScrollViewIndicatorStyleWhite;
    [_trackSelectorTableView registerClass:[VLCTrackSelectorTableViewCell class] forCellReuseIdentifier:TRACK_SELECTOR_TABLEVIEW_CELL];
    [_trackSelectorTableView registerClass:[VLCTrackSelectorHeaderView class] forHeaderFooterViewReuseIdentifier:TRACK_SELECTOR_TABLEVIEW_SECTIONHEADER];

    _trackSelectorContainer = [[VLCFrostedGlasView alloc] initWithFrame:CGRectMake((rect.size.width - 300.) / 2., (rect.size.height - 320.) / 2., 300., 320.)];
    [_trackSelectorContainer addSubview:_trackSelectorTableView];
    _trackSelectorContainer.hidden = YES;

    if ([[UIDevice currentDevice] speedCategory] >= 3) {
        _trackSelectorTableView.opaque = NO;
        _trackSelectorTableView.backgroundColor = [UIColor clearColor];
    } else
        _trackSelectorTableView.backgroundColor = [UIColor VLCDarkBackgroundColor];

    [self.view addSubview:_trackSelectorContainer];
374
}
Felix Paul Kühne's avatar
Felix Paul Kühne committed
375

376 377 378 379 380
- (BOOL)_blobCheck
{
    NSArray *searchPaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *directoryPath = searchPaths[0];

381
    if (![[NSFileManager defaultManager] fileExistsAtPath:[directoryPath stringByAppendingPathComponent:@"blob.bin"]])
382 383
        return NO;

384
    NSData *data = [NSData dataWithContentsOfFile:[directoryPath stringByAppendingPathComponent:@"blob.bin"]];
385
    uint8_t digest[CC_SHA1_DIGEST_LENGTH];
386
    CC_SHA1(data.bytes, (unsigned int)data.length, digest);
387 388 389 390 391 392 393 394 395 396 397 398

    NSMutableString *hash = [NSMutableString stringWithCapacity:CC_SHA1_DIGEST_LENGTH * 2];

    for (unsigned int u = 0; u < CC_SHA1_DIGEST_LENGTH; u++)
        [hash appendFormat:@"%02x", digest[u]];

    if ([hash isEqualToString:kBlobHash])
        return YES;
    else
        return NO;
}

399 400
- (void)viewWillAppear:(BOOL)animated
{
401
    [super viewWillAppear:animated];
402

403 404 405 406 407 408
    /* reset audio meta data views */
    self.artworkImageView.image = nil;
    self.trackNameLabel.text = nil;
    self.artistNameLabel.text = nil;
    self.albumNameLabel.text = nil;

409 410
    _swipeGesturesEnabled = [[[NSUserDefaults standardUserDefaults] objectForKey:kVLCSettingPlaybackGestures] boolValue];

411
    [self.navigationController setNavigationBarHidden:YES animated:YES];
412

Felix Paul Kühne's avatar
Felix Paul Kühne committed
413
    if (!SYSTEM_RUNS_IOS7_OR_LATER) {
414 415 416
        if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone)
            [UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleBlackTranslucent;
    }
417

418 419 420 421 422 423
    [self _startPlayback];

    [self setControlsHidden:NO animated:YES];
    _viewAppeared = YES;
}

424 425 426 427 428
- (void)viewWillLayoutSubviews
{
    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) {
        CGSize viewSize = self.view.frame.size;
        if (UIDeviceOrientationIsLandscape([UIDevice currentDevice].orientation)) {
429 430 431
            [_controllerPanel removeFromSuperview];
            _controllerPanelLandscape.frame = (CGRect){CGPointMake(0, viewSize.height - _controllerPanelLandscape.frame.size.height), CGSizeMake(viewSize.width, _controllerPanelLandscape.frame.size.height)};
            [self.view addSubview:_controllerPanelLandscape];
432
        } else {
433 434 435
            [_controllerPanelLandscape removeFromSuperview];
            _controllerPanel.frame = (CGRect){CGPointMake(0, viewSize.height - _controllerPanel.frame.size.height), CGSizeMake(viewSize.width, _controllerPanel.frame.size.height)};
            [self.view addSubview:_controllerPanel];
436 437 438 439
        }
    }
}

440 441 442 443 444
- (void)_startPlayback
{
    if (_playerIsSetup)
        return;

445 446
    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];

447
    if (!self.fileFromMediaLibrary && !self.url && !self.mediaList) {
448
        [self _stopPlayback];
Felix Paul Kühne's avatar
Felix Paul Kühne committed
449
        return;
450
    }
451 452 453 454
    if (self.pathToExternalSubtitlesFile)
        _listPlayer = [[VLCMediaListPlayer alloc] initWithOptions:@[[NSString stringWithFormat:@"--%@=%@", kVLCSettingSubtitlesFilePath, self.pathToExternalSubtitlesFile]]];
    else
        _listPlayer = [[VLCMediaListPlayer alloc] init];
455

456
    _mediaPlayer = _listPlayer.mediaPlayer;
457 458
    [_mediaPlayer setDelegate:self];
    [_mediaPlayer setDrawable:self.movieView];
459 460
    if ([[defaults objectForKey:kVLCSettingPlaybackSpeedDefaultValue] floatValue] != 0)
        [_mediaPlayer setRate: [[defaults objectForKey:kVLCSettingPlaybackSpeedDefaultValue] floatValue]];
461 462 463 464
    if ([[defaults objectForKey:kVLCSettingDeinterlace] intValue] != 0)
        [_mediaPlayer setDeinterlaceFilter:@"blend"];
    else
        [_mediaPlayer setDeinterlaceFilter:nil];
465 466 467
    if (self.pathToExternalSubtitlesFile)
        [_mediaPlayer openVideoSubTitlesFromFile:self.pathToExternalSubtitlesFile];

468
    self.trackNameLabel.text = self.artistNameLabel.text = self.albumNameLabel.text = @"";
469

470
    VLCMedia *media;
471 472
    if (self.fileFromMediaLibrary) {
        MLFile *item = self.fileFromMediaLibrary;
473
        media = [VLCMedia mediaWithURL:[NSURL URLWithString:item.url]];
474 475 476 477
    } else if (self.mediaList) {
        media = [self.mediaList mediaAtIndex:self.itemInMediaListToBePlayedFirst];
        [media parse];
    } else {
478
        media = [VLCMedia mediaWithURL:self.url];
479 480
        [media parse];
    }
Felix Paul Kühne's avatar
Felix Paul Kühne committed
481

482 483
    NSMutableDictionary *mediaDictionary = [[NSMutableDictionary alloc] init];
    [mediaDictionary setObject:[defaults objectForKey:kVLCSettingNetworkCaching] forKey:kVLCSettingNetworkCaching];
484 485 486
    [mediaDictionary setObject:[[defaults objectForKey:kVLCSettingStretchAudio] boolValue] ? kVLCSettingStretchAudioOnValue : kVLCSettingStretchAudioOffValue forKey:kVLCSettingStretchAudio];
    [mediaDictionary setObject:[defaults objectForKey:kVLCSettingTextEncoding] forKey:kVLCSettingTextEncoding];
    [mediaDictionary setObject:[defaults objectForKey:kVLCSettingSkipLoopFilter] forKey:kVLCSettingSkipLoopFilter];
487

488 489 490 491
    [NSTimeZone resetSystemTimeZone];
    NSString *tzName = [[NSTimeZone systemTimeZone] name];
    NSArray *tzNames = @[@"America/Adak", @"America/Anchorage", @"America/Boise", @"America/Chicago", @"America/Denver", @"America/Detroit", @"America/Indiana/Indianapolis", @"America/Indiana/Knox", @"America/Indiana/Marengo", @"America/Indiana/Petersburg", @"America/Indiana/Tell_City", @"America/Indiana/Vevay", @"America/Indiana/Vincennes", @"America/Indiana/Winamac", @"America/Juneau", @"America/Kentucky/Louisville", @"America/Kentucky/Monticello", @"America/Los_Angeles", @"America/Menominee", @"America/Metlakatla", @"America/New_York", @"America/Nome", @"America/North_Dakota/Beulah", @"America/North_Dakota/Center", @"America/North_Dakota/New_Salem", @"America/Phoenix", @"America/Puerto_Rico", @"America/Shiprock", @"America/Sitka", @"America/St_Thomas", @"America/Thule", @"America/Yakutat", @"Pacific/Guam", @"Pacific/Honolulu", @"Pacific/Johnston", @"Pacific/Kwajalein", @"Pacific/Midway", @"Pacific/Pago_Pago", @"Pacific/Saipan", @"Pacific/Wake"];

492
    if ([tzNames containsObject:tzName] || [[tzName stringByDeletingLastPathComponent] isEqualToString:@"US"]) {
493 494 495 496 497 498 499 500 501 502 503 504
        NSArray *tracksInfo = media.tracksInformation;
        for (NSUInteger x = 0; x < tracksInfo.count; x++) {
            if ([[tracksInfo[x] objectForKey:VLCMediaTracksInformationType] isEqualToString:VLCMediaTracksInformationTypeAudio])
            {
                NSInteger fourcc = [[tracksInfo[x] objectForKey:VLCMediaTracksInformationCodec] integerValue];

                switch (fourcc) {
                    case 540161377:
                    case 1647457633:
                    case 858612577:
                    case 862151027:
                    case 862151013:
505 506
                    case 1684566644:
                    case 2126701:
507
                    {
508
                        if (![self _blobCheck]) {
509
                            [mediaDictionary setObject:[NSNull null] forKey:@"no-audio"];
510 511
                            APLog(@"audio playback disabled because an unsupported codec was found");
                        }
512 513 514 515 516 517 518 519 520 521
                        break;
                    }

                    default:
                        break;
                }
            }
        }
    }

522 523 524 525 526 527 528 529 530 531
    if (self.mediaList) {
        VLCMediaList *list = self.mediaList;
        NSUInteger count = list.count;
        for (NSUInteger x = 0; x < count; x++)
            [[list mediaAtIndex:x] addOptions:mediaDictionary];
        [_listPlayer setMediaList:self.mediaList];
    } else {
        [media addOptions:mediaDictionary];
        [_listPlayer setRootMedia:media];
    }
532
    [_listPlayer setRepeatMode:VLCDoNotRepeat];
533

534
    self.positionSlider.value = 0.;
535
    [self.timeDisplay setTitle:@"" forState:UIControlStateNormal];
536
    self.timeDisplay.accessibilityLabel = @"";
537
    [self.repeatButton setImage:[UIImage imageNamed:@"repeat"] forState:UIControlStateNormal];
538
    [self.repeatButtonLandscape setImage:[UIImage imageNamed:@"repeat"] forState:UIControlStateNormal];
539

540
    if (![self _isMediaSuitableForDevice]) {
541
        UIAlertView * alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"DEVICE_TOOSLOW_TITLE", nil) message:[NSString stringWithFormat:NSLocalizedString(@"DEVICE_TOOSLOW", nil), [[UIDevice currentDevice] model], self.fileFromMediaLibrary.title] delegate:self cancelButtonTitle:NSLocalizedString(@"BUTTON_CANCEL", nil) otherButtonTitles:NSLocalizedString(@"BUTTON_OPEN", nil), nil];
542 543 544
        [alert show];
    } else
        [self _playNewMedia];
545

546 547
    if (![self hasExternalDisplay])
        self.brightnessSlider.value = [UIScreen mainScreen].brightness * 2.;
548 549 550 551
}

- (BOOL)_isMediaSuitableForDevice
{
552
    if (!self.fileFromMediaLibrary)
553 554
        return YES;

555
    NSUInteger totalNumberOfPixels = [[[self.fileFromMediaLibrary videoTrack] valueForKey:@"width"] doubleValue] * [[[self.fileFromMediaLibrary videoTrack] valueForKey:@"height"] doubleValue];
556

557
    NSInteger speedCategory = [[UIDevice currentDevice] speedCategory];
558

559
    if (speedCategory == 1) {
560 561
        // iPhone 3GS, iPhone 4, first gen. iPad, 3rd and 4th generation iPod touch
        return (totalNumberOfPixels < 600000); // between 480p and 720p
562
    } else if (speedCategory == 2) {
563 564
        // iPhone 4S, iPad 2 and 3, iPod 4 and 5
        return (totalNumberOfPixels < 922000); // 720p
565
    } else if (speedCategory == 3) {
566 567
        // iPhone 5, iPad 4
        return (totalNumberOfPixels < 2074000); // 1080p
568 569 570
    } else if (speedCategory == 4) {
        // iPhone 6, 2014 iPads
        return (totalNumberOfPixels < 8850000); // 4K
571 572 573 574 575 576 577 578 579
    }

    return YES;
}

- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
{
    if (buttonIndex == 1)
        [self _playNewMedia];
580 581
    else {
        [self _stopPlayback];
582
        [self closePlayback:nil];
583
    }
584 585 586 587
}

- (void)_playNewMedia
{
588
    NSNumber *playbackPositionInTime = @(0);
589
    CGFloat lastPosition = .0;
590 591 592 593 594 595 596 597 598 599 600 601 602 603 604
    NSInteger duration = 0;
    MLFile *matchedFile;

    if (self.fileFromMediaLibrary)
        matchedFile = self.fileFromMediaLibrary;
    else if (self.mediaList) {
        NSArray *matches = [MLFile fileForURL:[[[self.mediaList mediaAtIndex:self.itemInMediaListToBePlayedFirst] url] absoluteString]];
        if (matches.count > 0) {
            matchedFile = matches[0];
            lastPosition = matchedFile.lastPosition.floatValue;
        }
    }
    if (matchedFile.lastPosition)
        lastPosition = matchedFile.lastPosition.floatValue;
    duration = matchedFile.duration.intValue;
605 606 607
    if (lastPosition < .95) {
        if (duration != 0)
            playbackPositionInTime = @(lastPosition * (duration / 1000.));
608
    }
609
    if (playbackPositionInTime.intValue > 0 && (duration * lastPosition - duration) < -60000) {
610 611 612
        [_mediaPlayer.media addOptions:@{@"start-time": playbackPositionInTime}];
        APLog(@"set starttime to %i", playbackPositionInTime.intValue);
    }
613

614 615 616
    [_mediaPlayer addObserver:self forKeyPath:@"time" options:0 context:nil];
    [_mediaPlayer addObserver:self forKeyPath:@"remainingTime" options:0 context:nil];

617
    if (self.mediaList)
618
        [_listPlayer playItemAtIndex:self.itemInMediaListToBePlayedFirst];
619
    else
620
        [_listPlayer playMedia:_listPlayer.rootMedia];
621

622 623 624 625 626
    if (matchedFile) {
        if (matchedFile.lastAudioTrack.intValue > 0)
            _mediaPlayer.currentAudioTrackIndex = matchedFile.lastAudioTrack.intValue;
        if (matchedFile.lastSubtitleTrack.intValue > 0)
            _mediaPlayer.currentVideoSubTitleIndex = matchedFile.lastSubtitleTrack.intValue;
627
    }
628

629 630
    self.playbackSpeedSlider.value = [self _playbackSpeed];
    [self _updatePlaybackSpeedIndicator];
631

632 633 634 635 636 637
    self.audioDelaySlider.value = _mediaPlayer.currentAudioPlaybackDelay / 1000000;
    self.audioDelayIndicator.text = [NSString stringWithFormat:@"%1.00f s", self.audioDelaySlider.value];

    self.spuDelaySlider.value = _mediaPlayer.currentVideoSubTitleDelay / 1000000;
    self.spuDelayIndicator.text = [NSString stringWithFormat:@"%1.00f s", self.spuDelaySlider.value];

638
    _currentAspectRatioMask = 0;
639 640 641
    _mediaPlayer.videoAspectRatio = NULL;

    /* some demuxers don't respect :start-time, so re-try here */
642
    if (lastPosition < .95 && _mediaPlayer.position < lastPosition && (duration * lastPosition - duration) < -60000)
643
        _mediaPlayer.position = lastPosition;
644

645
    [self _resetIdleTimer];
646
    _playerIsSetup = YES;
Felix Paul Kühne's avatar
Felix Paul Kühne committed
647 648
}

649
- (void)viewWillDisappear:(BOOL)animated
Felix Paul Kühne's avatar
Felix Paul Kühne committed
650
{
651
    [self _stopPlayback];
652
    _viewAppeared = NO;
653
    if (_idleTimer) {
654
        [_idleTimer invalidate];
655 656
        _idleTimer = nil;
    }
657
    [self.navigationController setNavigationBarHidden:NO animated:YES];
Felix Paul Kühne's avatar
Felix Paul Kühne committed
658
    if (!SYSTEM_RUNS_IOS7_OR_LATER)
659
        [UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleBlackOpaque;
660
    [[UIApplication sharedApplication] setStatusBarHidden:NO withAnimation:UIStatusBarAnimationFade];
661
    [super viewWillDisappear:animated];
662

Felix Paul Kühne's avatar
Felix Paul Kühne committed
663 664 665 666 667 668
    // hide filter UI for next run
    if (!_videoFiltersHidden)
        _videoFiltersHidden = YES;

    if (!_playbackSpeedViewHidden)
        _playbackSpeedViewHidden = YES;
Felix Paul Kühne's avatar
Felix Paul Kühne committed
669 670
}

671 672 673
- (void)_stopPlayback
{
    if (_mediaPlayer) {
674 675 676 677 678 679 680 681
        @try {
            [_mediaPlayer removeObserver:self forKeyPath:@"time"];
            [_mediaPlayer removeObserver:self forKeyPath:@"remainingTime"];
        }
        @catch (NSException *exception) {
            APLog(@"we weren't an observer yet");
        }

682
        if (_mediaPlayer.media) {
683 684 685
            [_mediaPlayer pause];
            [self _saveCurrentState];
            [_mediaPlayer stop];
686
        }
687 688
        if (_mediaPlayer)
            _mediaPlayer = nil;
689 690
        if (_listPlayer)
            _listPlayer = nil;
691
    }
692 693
    if (_fileFromMediaLibrary)
        _fileFromMediaLibrary = nil;
694 695 696 697
    if (_mediaList)
        _mediaList = nil;
    if (_url)
        _url = nil;
698
    if (_pathToExternalSubtitlesFile) {
699
            NSFileManager *fileManager = [NSFileManager defaultManager];
700 701 702
            if ([fileManager fileExistsAtPath:_pathToExternalSubtitlesFile])
                [fileManager removeItemAtPath:_pathToExternalSubtitlesFile error:nil];
            _pathToExternalSubtitlesFile = nil;
703
    }
704 705 706
    _playerIsSetup = NO;
}

707 708
- (void)_saveCurrentState
{
709
    if (self.fileFromMediaLibrary) {
710
        @try {
711
            MLFile *item = self.fileFromMediaLibrary;
712 713 714 715 716 717 718
            item.lastPosition = @([_mediaPlayer position]);
            item.lastAudioTrack = @(_mediaPlayer.currentAudioTrackIndex);
            item.lastSubtitleTrack = @(_mediaPlayer.currentVideoSubTitleIndex);
        }
        @catch (NSException *exception) {
            APLog(@"failed to save current media state - file removed?");
        }
719 720 721 722 723 724 725 726
    } else {
        NSArray *files = [MLFile fileForURL:[[_mediaPlayer.media url] absoluteString]];
        if (files.count > 0) {
            MLFile *fileFromList = files[0];
            fileFromList.lastPosition = @([_mediaPlayer position]);
            fileFromList.lastAudioTrack = @(_mediaPlayer.currentAudioTrackIndex);
            fileFromList.lastSubtitleTrack = @(_mediaPlayer.currentVideoSubTitleIndex);
        }
727 728 729
    }
}

730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768
- (NSString *)_resolveFontName
{
    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
    BOOL bold = [[defaults objectForKey:kVLCSettingSubtitlesBoldFont] boolValue];
    NSString *font = [defaults objectForKey:kVLCSettingSubtitlesFont];
    NSDictionary *fontMap = @{
                              @"AmericanTypewriter":   @"AmericanTypewriter-Bold",
                              @"ArialMT":              @"Arial-BoldMT",
                              @"ArialHebrew":          @"ArialHebrew-Bold",
                              @"ChalkboardSE-Regular": @"ChalkboardSE-Bold",
                              @"CourierNewPSMT":       @"CourierNewPS-BoldMT",
                              @"Georgia":              @"Georgia-Bold",
                              @"GillSans":             @"GillSans-Bold",
                              @"GujaratiSangamMN":     @"GujaratiSangamMN-Bold",
                              @"STHeitiSC-Light":      @"STHeitiSC-Medium",
                              @"STHeitiTC-Light":      @"STHeitiTC-Medium",
                              @"HelveticaNeue":        @"HelveticaNeue-Bold",
                              @"HiraKakuProN-W3":      @"HiraKakuProN-W6",
                              @"HiraMinProN-W3":       @"HiraMinProN-W6",
                              @"HoeflerText-Regular":  @"HoeflerText-Black",
                              @"Kailasa":              @"Kailasa-Bold",
                              @"KannadaSangamMN":      @"KannadaSangamMN-Bold",
                              @"MalayalamSangamMN":    @"MalayalamSangamMN-Bold",
                              @"OriyaSangamMN":        @"OriyaSangamMN-Bold",
                              @"SinhalaSangamMN":      @"SinhalaSangamMN-Bold",
                              @"SnellRoundhand":       @"SnellRoundhand-Bold",
                              @"TamilSangamMN":        @"TamilSangamMN-Bold",
                              @"TeluguSangamMN":       @"TeluguSangamMN-Bold",
                              @"TimesNewRomanPSMT":    @"TimesNewRomanPS-BoldMT",
                              @"Zapfino":              @"Zapfino"
                              };

    if (!bold) {
        return font;
    } else {
        return fontMap[font];
    }
}

769 770 771 772 773 774 775 776 777 778 779 780 781 782
#pragma mark - remote events

- (void)viewDidAppear:(BOOL)animated
{
    [super viewDidAppear:animated];
    [[UIApplication sharedApplication] beginReceivingRemoteControlEvents];
    [self becomeFirstResponder];
}

- (void)viewDidDisappear:(BOOL)animated
{
    [super viewDidDisappear:animated];
    [[UIApplication sharedApplication] endReceivingRemoteControlEvents];
    [self resignFirstResponder];
783 784

    [[NSUserDefaults standardUserDefaults] setBool:_displayRemainingTime forKey:kVLCShowRemainingTime];
785 786 787 788 789 790 791 792 793 794 795
}

- (BOOL)canBecomeFirstResponder
{
    return YES;
}

- (void)remoteControlReceivedWithEvent:(UIEvent *)event
{
    switch (event.subtype) {
        case UIEventSubtypeRemoteControlPlay:
796
            [_listPlayer play];
797
            break;
798

799
        case UIEventSubtypeRemoteControlPause:
800
            [_listPlayer pause];
801 802 803
            break;

        case UIEventSubtypeRemoteControlTogglePlayPause:
804
            [self playPause];
805 806
            break;

807
        case UIEventSubtypeRemoteControlNextTrack:
808
            [self forward:nil];
809
            break;
810 811

        case UIEventSubtypeRemoteControlPreviousTrack:
812
            [self backward:nil];
813
            break;
814

Felix Paul Kühne's avatar
Felix Paul Kühne committed
815 816
        case UIEventSubtypeRemoteControlStop:
            [self closePlayback:nil];
817
            break;
Felix Paul Kühne's avatar
Felix Paul Kühne committed
818

819 820 821 822 823
        default:
            break;
    }
}

824 825
#pragma mark - controls visibility

826 827
- (void)handlePinchGesture:(UIPinchGestureRecognizer *)recognizer
{
828 829 830
    if (!_swipeGesturesEnabled)
        return;

831 832 833 834
    if (recognizer.velocity < 0.)
        [self closePlayback:nil];
}

835 836
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch
{
Felix Paul Kühne's avatar
Felix Paul Kühne committed
837
    if (touch.view != self.view)
838 839 840 841 842
        return NO;

    return YES;
}

Ahmad Harb's avatar
Ahmad Harb committed
843 844 845 846 847
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer
{
    return YES;
}

848
- (void)setControlsHidden:(BOOL)hidden animated:(BOOL)animated
849
{
850
    _controlsHidden = hidden;
851
    CGFloat alpha = _controlsHidden? 0.0f: 1.0f;
852

853 854
    if (!_controlsHidden) {
        _controllerPanel.alpha = 0.0f;
855
        _controllerPanel.hidden = !_videoFiltersHidden;
856 857
        _controllerPanelLandscape.alpha = 0.0f;
        _controllerPanelLandscape.hidden = !_videoFiltersHidden;
858 859
        _toolbar.alpha = 0.0f;
        _toolbar.hidden = NO;
860 861
        _videoFilterView.alpha = 0.0f;
        _videoFilterView.hidden = _videoFiltersHidden;
862 863
        _playbackSpeedView.alpha = 0.0f;
        _playbackSpeedView.hidden = _playbackSpeedViewHidden;
864 865
        _trackSelectorContainer.alpha = 0.0f;
        _trackSelectorContainer.hidden = YES;
866
    }
867

868 869
    void (^animationBlock)() = ^() {
        _controllerPanel.alpha = alpha;
870
        _controllerPanelLandscape.alpha = alpha;
871
        _toolbar.alpha = alpha;
872
        _videoFilterView.alpha = alpha;