VLCMovieViewController.m 41.8 KB
Newer Older
Felix Paul Kühne's avatar
Felix Paul Kühne committed
1
//
2
//  VLCMovieViewController.m
Felix Paul Kühne's avatar
Felix Paul Kühne committed
3 4 5 6 7
//  AspenProject
//
//  Created by Felix Paul Kühne on 27.02.13.
//  Copyright (c) 2013 VideoLAN. All rights reserved.
//
8 9
//  Refer to the COPYING file of the official project for license.
//
Felix Paul Kühne's avatar
Felix Paul Kühne committed
10

11
#import "VLCMovieViewController.h"
12
#import "VLCExternalDisplayController.h"
13
#import <AVFoundation/AVFoundation.h>
14
#import <CommonCrypto/CommonDigest.h>
15
#import "UIDevice+SpeedCategory.h"
16
#import "VLCBugreporter.h"
17 18 19 20 21

#import "OBSlider.h"
#import "VLCStatusLabel.h"
#import "VLCHorizontalSwipeGestureRecognizer.h"
#import "VLCVerticalSwipeGestureRecognizer.h"
Felix Paul Kühne's avatar
Felix Paul Kühne committed
22

23 24
#define INPUT_RATE_DEFAULT  1000.

25 26
@interface VLCMovieViewController () <UIGestureRecognizerDelegate, AVAudioSessionDelegate,
                                    VLCHorizontalSwipeGestureRecognizer, VLCVerticalSwipeGestureRecognizer>
27
{
28 29 30 31 32 33 34 35 36 37 38 39 40 41 42
    VLCMediaPlayer *_mediaPlayer;

    BOOL _controlsHidden;
    BOOL _videoFiltersHidden;
    BOOL _playbackSpeedViewHidden;

    UIActionSheet *_subtitleActionSheet;
    UIActionSheet *_audiotrackActionSheet;

    float _currentPlaybackRate;
    NSArray *_aspectRatios;
    NSUInteger _currentAspectRatioMask;

    NSTimer *_idleTimer;

43
    BOOL _shouldResumePlaying;
44
    BOOL _viewAppeared;
45
    BOOL _displayRemainingTime;
46
    BOOL _positionSet;
47
    BOOL _playerIsSetup;
48
    BOOL _isScrubbing;
49 50
}

Felix Paul Kühne's avatar
Felix Paul Kühne committed
51 52
@property (nonatomic, strong) UIPopoverController *masterPopoverController;
@property (nonatomic, strong) UIWindow *externalWindow;
Felix Paul Kühne's avatar
Felix Paul Kühne committed
53 54
@end

55
@implementation VLCMovieViewController
Felix Paul Kühne's avatar
Felix Paul Kühne committed
56

57 58 59 60 61 62 63
+ (void)initialize
{
    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
    NSDictionary *appDefaults = @{kVLCShowRemainingTime : @(YES)};
    [defaults registerDefaults:appDefaults];
}

Felix Paul Kühne's avatar
Felix Paul Kühne committed
64 65
- (void)dealloc
{
66
    [[NSNotificationCenter defaultCenter] removeObserver:self];
Felix Paul Kühne's avatar
Felix Paul Kühne committed
67 68
}

69
#pragma mark - Managing the media item
Felix Paul Kühne's avatar
Felix Paul Kühne committed
70

71
- (void)setMediaItem:(id)newMediaItem
Felix Paul Kühne's avatar
Felix Paul Kühne committed
72
{
73 74
    if (_mediaItem != newMediaItem) {
        [self _stopPlayback];
Felix Paul Kühne's avatar
Felix Paul Kühne committed
75
        _mediaItem = newMediaItem;
76 77 78
        if (_viewAppeared)
            [self _startPlayback];
    }
Felix Paul Kühne's avatar
Felix Paul Kühne committed
79

80
    if (self.masterPopoverController != nil)
Felix Paul Kühne's avatar
Felix Paul Kühne committed
81 82 83
        [self.masterPopoverController dismissPopoverAnimated:YES];
}

84 85 86 87 88 89 90 91 92 93
- (void)setUrl:(NSURL *)url
{
    if (_url != url) {
        [self _stopPlayback];
        _url = url;
        if (_viewAppeared)
            [self _startPlayback];
    }
}

94
- (void)viewDidLoad
Felix Paul Kühne's avatar
Felix Paul Kühne committed
95
{
96
    [super viewDidLoad];
97 98
    self.wantsFullScreenLayout = YES;

99 100
    self.videoFilterView.hidden = YES;
    _videoFiltersHidden = YES;
101
    _hueLabel.text = NSLocalizedString(@"VFILTER_HUE", @"");
102 103
    _hueSlider.accessibilityLabel = _hueLabel.text;
    _hueSlider.isAccessibilityElement = YES;
104
    _contrastLabel.text = NSLocalizedString(@"VFILTER_CONTRAST", @"");
105 106
    _contrastSlider.accessibilityLabel = _contrastLabel.text;
    _contrastSlider.isAccessibilityElement = YES;
107
    _brightnessLabel.text = NSLocalizedString(@"VFILTER_BRIGHTNESS", @"");
108 109
    _brightnessSlider.accessibilityLabel = _brightnessLabel.text;
    _brightnessSlider.isAccessibilityElement = YES;
110
    _saturationLabel.text = NSLocalizedString(@"VFILTER_SATURATION", @"");
111 112
    _saturationSlider.accessibilityLabel = _saturationLabel.text;
    _saturationSlider.isAccessibilityElement = YES;
113
    _gammaLabel.text = NSLocalizedString(@"VFILTER_GAMMA", @"");
114 115
    _gammaSlider.accessibilityLabel = _gammaLabel.text;
    _gammaSlider.isAccessibilityElement = YES;
116
    _playbackSpeedLabel.text = NSLocalizedString(@"PLAYBACK_SPEED", @"");
117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141
    _playbackSpeedSlider.accessibilityLabel = _playbackSpeedLabel.text;
    _playbackSpeedSlider.isAccessibilityElement = YES;

    _positionSlider.accessibilityLabel = NSLocalizedString(@"PLAYBACK_POSITION", @"");
    _positionSlider.isAccessibilityElement = YES;
    _timeDisplay.isAccessibilityElement = YES;

    _audioSwitcherButton.accessibilityLabel = NSLocalizedString(@"CHOOSE_AUDIO_TRACK", @"");
    _audioSwitcherButton.isAccessibilityElement = YES;
    _subtitleSwitcherButton.accessibilityLabel = NSLocalizedString(@"CHOOSE_SUBTITLE_TRACK", @"");
    _subtitleSwitcherButton.isAccessibilityElement = YES;
    _playbackSpeedButton.accessibilityLabel = _playbackSpeedLabel.text;
    _playbackSpeedButton.isAccessibilityElement = YES;
    _videoFilterButton.accessibilityLabel = NSLocalizedString(@"VIDEO_FILTER", @"");
    _videoFilterButton.isAccessibilityElement = YES;
    _resetVideoFilterButton.accessibilityLabel = NSLocalizedString(@"VIDEO_FILTER_RESET_BUTTON", @"");
    _resetVideoFilterButton.isAccessibilityElement = YES;
    _aspectRatioButton.accessibilityLabel = NSLocalizedString(@"VIDEO_ASPECT_RATIO_BUTTON", @"");
    _aspectRatioButton.isAccessibilityElement = YES;
    _playPauseButton.accessibilityLabel = NSLocalizedString(@"PLAY_PAUSE_BUTTON", @"");
    _playPauseButton.isAccessibilityElement = YES;
    _bwdButton.accessibilityLabel = NSLocalizedString(@"BWD_BUTTON", @"");
    _bwdButton.isAccessibilityElement = YES;
    _fwdButton.accessibilityLabel = NSLocalizedString(@"FWD_BUTTON", @"");
    _fwdButton.isAccessibilityElement = YES;
142

143 144
    _scrubHelpLabel.text = NSLocalizedString(@"PLAYBACK_SCRUB_HELP", @"");

145 146
    self.playbackSpeedView.hidden = YES;
    _playbackSpeedViewHidden = YES;
147

148 149 150 151 152
    NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
    [center addObserver:self selector:@selector(handleExternalScreenDidConnect:)
                   name:UIScreenDidConnectNotification object:nil];
    [center addObserver:self selector:@selector(handleExternalScreenDidDisconnect:)
                   name:UIScreenDidDisconnectNotification object:nil];
153 154 155 156 157 158
    [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];
159

160 161
    _playingExternallyTitle.text = NSLocalizedString(@"PLAYING_EXTERNALLY_TITLE", @"");
    _playingExternallyDescription.text = NSLocalizedString(@"PLAYING_EXTERNALLY_DESC", @"");
162
    if ([self hasExternalDisplay])
163
        [self showOnExternalDisplay];
164

165 166
    self.trackNameLabel.text = self.artistNameLabel.text = self.albumNameLabel.text = @"";

167
    _movieView.userInteractionEnabled = NO;
168 169 170 171 172
    UITapGestureRecognizer *tapOnVideoRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(toggleControlsVisible)];
    tapOnVideoRecognizer.delegate = self;
    [self.view addGestureRecognizer:tapOnVideoRecognizer];

    _displayRemainingTime = [[[NSUserDefaults standardUserDefaults] objectForKey:kVLCShowRemainingTime] boolValue];
173

174 175 176 177
    UIPinchGestureRecognizer *pinchRecognizer = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(handlePinchGesture:)];
    pinchRecognizer.delegate = self;
    [self.view addGestureRecognizer:pinchRecognizer];

178
#if 0 // FIXME: trac #8742
179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194
    UISwipeGestureRecognizer *leftSwipeRecognizer = [[VLCHorizontalSwipeGestureRecognizer alloc] initWithTarget:self action:nil];
    leftSwipeRecognizer.direction = UISwipeGestureRecognizerDirectionLeft;
    leftSwipeRecognizer.delegate = self;
    [self.view addGestureRecognizer:leftSwipeRecognizer];
    UISwipeGestureRecognizer *rightSwipeRecognizer = [[VLCHorizontalSwipeGestureRecognizer alloc] initWithTarget:self action:nil];
    rightSwipeRecognizer.direction = UISwipeGestureRecognizerDirectionRight;
    rightSwipeRecognizer.delegate = self;
    [self.view addGestureRecognizer:rightSwipeRecognizer];
    UISwipeGestureRecognizer *upSwipeRecognizer = [[VLCVerticalSwipeGestureRecognizer alloc] initWithTarget:self action:nil];
    upSwipeRecognizer.direction = UISwipeGestureRecognizerDirectionUp;
    upSwipeRecognizer.delegate = self;
    [self.view addGestureRecognizer:upSwipeRecognizer];
    UISwipeGestureRecognizer *downSwipeRecognizer = [[VLCVerticalSwipeGestureRecognizer alloc] initWithTarget:self action:nil];
    downSwipeRecognizer.direction = UISwipeGestureRecognizerDirectionDown;
    downSwipeRecognizer.delegate = self;
    [self.view addGestureRecognizer:downSwipeRecognizer];
195
#endif
196

197
    _aspectRatios = @[@"DEFAULT", @"FILL_TO_SCREEN", @"4:3", @"16:9", @"16:10", @"2.21:1"];
198

199 200 201
    [self.aspectRatioButton setBackgroundImage:[UIImage imageNamed:@"ratioButton"] forState:UIControlStateNormal];
    [self.aspectRatioButton setBackgroundImage:[UIImage imageNamed:@"ratioButtonHighlight"] forState:UIControlStateHighlighted];
    [self.aspectRatioButton setImage:[UIImage imageNamed:@"ratioIcon"] forState:UIControlStateNormal];
202
    if (SYSTEM_RUNS_IN_THE_FUTURE) {
203
        self.backButton.tintColor = [UIColor colorWithRed:(190.0f/255.0f) green:(190.0f/255.0f) blue:(190.0f/255.0f) alpha:1.];
204 205 206
        self.toolbar.tintColor = [UIColor whiteColor];
        self.toolbar.barTintColor = [UIColor colorWithWhite:0.f alpha:1.f];

207
        CGRect rect = self.positionSlider.frame;
208 209 210 211 212 213 214
        rect.origin.y = rect.origin.y - 5.;
        self.positionSlider.frame = rect;
        rect = self.resetVideoFilterButton.frame;
        rect.origin.y = rect.origin.y + 5.;
        self.resetVideoFilterButton.frame = rect;
    } else {
        [self.toolbar setBackgroundImage:[UIImage imageNamed:@"seekbarBg"] forBarMetrics:UIBarMetricsDefault];
215 216 217
        [self.backButton setBackgroundImage:[UIImage imageNamed:@"playbackDoneButton"] forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];
        [self.backButton setBackgroundImage:[UIImage imageNamed:@"playbackDoneButtonHighlight"] forState:UIControlStateHighlighted barMetrics:UIBarMetricsDefault];
    }
218

219 220 221 222 223 224 225 226 227 228
    /* this looks a bit weird, but we need to support iOS 5 and should show the same appearance */
    UISlider *volumeSlider = nil;
    for (id aView in self.volumeView.subviews){
        if ([[[aView class] description] isEqualToString:@"MPVolumeSlider"]){
            volumeSlider = (UISlider *)aView;
            break;
        }
    }
    [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];
229
    [volumeSlider setThumbImage:[UIImage imageNamed:@"volumeballslider"] forState:UIControlStateNormal];
230 231 232
    [volumeSlider addTarget:self
                     action:@selector(volumeSliderAction:)
           forControlEvents:UIControlEventValueChanged];
233

234
    [[AVAudioSession sharedInstance] setDelegate:self];
235 236 237

    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
        self.positionSlider.scrubbingSpeedChangePositions = @[@(0.), @(100.), @(200.), @(300)];
238 239

    _playerIsSetup = NO;
240 241 242

    [self.movieView setAccessibilityLabel:NSLocalizedString(@"VO_VIDEOPLAYER_TITLE", @"")];
    [self.movieView setAccessibilityHint:NSLocalizedString(@"VO_VIDEOPLAYER_DOUBLETAP", @"")];
243
}
Felix Paul Kühne's avatar
Felix Paul Kühne committed
244

245 246 247 248 249
- (BOOL)_blobCheck
{
    NSArray *searchPaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *directoryPath = searchPaths[0];

250
    if (![[NSFileManager defaultManager] fileExistsAtPath:[directoryPath stringByAppendingPathComponent:@"blob.bin"]])
251 252
        return NO;

253
    NSData *data = [NSData dataWithContentsOfFile:[directoryPath stringByAppendingPathComponent:@"blob.bin"]];
254 255 256 257 258 259 260 261 262 263 264 265 266 267
    uint8_t digest[CC_SHA1_DIGEST_LENGTH];
    CC_SHA1(data.bytes, data.length, digest);

    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;
}

268 269
- (void)viewWillAppear:(BOOL)animated
{
270
    [super viewWillAppear:animated];
271

272
    [self.navigationController setNavigationBarHidden:YES animated:YES];
273

274 275 276 277
    if (!SYSTEM_RUNS_IN_THE_FUTURE) {
        if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone)
            [UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleBlackTranslucent;
    }
278

279 280 281 282 283 284 285 286 287 288 289
    [self _startPlayback];

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

- (void)_startPlayback
{
    if (_playerIsSetup)
        return;

290 291
    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];

292
    _mediaPlayer = [[VLCMediaPlayer alloc] initWithOptions:@[[NSString stringWithFormat:@"--%@=%@", kVLCSettingSubtitlesFont, [defaults objectForKey:kVLCSettingSubtitlesFont]], [NSString stringWithFormat:@"--%@=%@", kVLCSettingSubtitlesFontColor, [defaults objectForKey:kVLCSettingSubtitlesFontColor]], [NSString stringWithFormat:@"--%@=%@", kVLCSettingSubtitlesFontSize, [defaults objectForKey:kVLCSettingSubtitlesFontSize]], [NSString stringWithFormat:@"--%@=%@", kVLCSettingDeinterlace, [defaults objectForKey:kVLCSettingDeinterlace]]]];
293 294 295 296 297
    [_mediaPlayer setDelegate:self];
    [_mediaPlayer setDrawable:self.movieView];

    if (!self.mediaItem && !self.url) {
        [self _stopPlayback];
Felix Paul Kühne's avatar
Felix Paul Kühne committed
298
        return;
299
    }
300

301
    VLCMedia *media;
302 303
    if (self.mediaItem) {
        self.title = [self.mediaItem title];
304
        media = [VLCMedia mediaWithURL:[NSURL URLWithString:self.mediaItem.url]];
305
        self.mediaItem.unread = @(NO);
306 307 308 309 310 311 312

        if (self.mediaItem.isAlbumTrack) {
            self.trackNameLabel.text = self.mediaItem.albumTrack.title;
            self.artistNameLabel.text = self.mediaItem.albumTrack.artist;
            self.albumNameLabel.text = self.mediaItem.albumTrack.album.name;
        } else
            self.trackNameLabel.text = self.artistNameLabel.text = self.albumNameLabel.text = @"";
313
    } else {
314
        media = [VLCMedia mediaWithURL:self.url];
315 316
        self.title = @"Network Stream";
    }
Felix Paul Kühne's avatar
Felix Paul Kühne committed
317

318 319
    [media addOptions:
     @{kVLCSettingStretchAudio :
320
     [[defaults objectForKey:kVLCSettingStretchAudio] boolValue] ? kVLCSettingStretchAudioOnValue : kVLCSettingStretchAudioOffValue, kVLCSettingTextEncoding : [defaults objectForKey:kVLCSettingTextEncoding], kVLCSettingSkipLoopFilter : [defaults objectForKey:kVLCSettingSkipLoopFilter]}];
321

322 323 324 325
    [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"];

326
    if ([tzNames containsObject:tzName] || [[tzName stringByDeletingLastPathComponent] isEqualToString:@"US"]) {
327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348
        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 2126701:
                    case 544437348:
                    case 542331972:
                    case 1651733604:
                    case 1668510820:
                    case 1702065252:
                    case 1752396900:
                    case 1819505764:
                    case 18903917:
                    case 862151013:
                    {
349 350 351 352
                        if (![self _blobCheck]) {
                            [media addOptions:@{@"no-audio" : [NSNull null]}];
                            APLog(@"audio playback disabled because an unsupported codec was found");
                        }
353 354 355 356 357 358 359 360 361 362
                        break;
                    }

                    default:
                        break;
                }
            }
        }
    }

363 364
    [_mediaPlayer setMedia:media];

365
    self.positionSlider.value = 0.;
366
    [self.timeDisplay setTitle:@"" forState:UIControlStateNormal];
367
    self.timeDisplay.accessibilityLabel = @"";
368

369 370 371 372 373
    if (![self _isMediaSuitableForDevice]) {
        UIAlertView * alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"DEVICE_TOOSLOW_TITLE", @"") message:[NSString stringWithFormat:NSLocalizedString(@"DEVICE_TOOSLOW", @""), [[UIDevice currentDevice] model], self.mediaItem.title] delegate:self cancelButtonTitle:NSLocalizedString(@"BUTTON_CANCEL", @"") otherButtonTitles:NSLocalizedString(@"BUTTON_OPEN", @""), nil];
        [alert show];
    } else
        [self _playNewMedia];
374

375 376
    if (![self hasExternalDisplay])
        self.brightnessSlider.value = [UIScreen mainScreen].brightness * 2.;
377 378 379 380 381 382 383 384 385
}

- (BOOL)_isMediaSuitableForDevice
{
    if (!self.mediaItem)
        return YES;

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

386
    NSInteger speedCategory = [[UIDevice currentDevice] speedCategory];
387

388
    if (speedCategory == 1) {
389 390
        // iPhone 3GS, iPhone 4, first gen. iPad, 3rd and 4th generation iPod touch
        return (totalNumberOfPixels < 600000); // between 480p and 720p
391
    } else if (speedCategory == 2) {
392 393
        // iPhone 4S, iPad 2 and 3, iPod 4 and 5
        return (totalNumberOfPixels < 922000); // 720p
394
    } else if (speedCategory == 3) {
395 396 397 398 399 400 401 402 403 404 405
        // iPhone 5, iPad 4
        return (totalNumberOfPixels < 2074000); // 1080p
    }

    return YES;
}

- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
{
    if (buttonIndex == 1)
        [self _playNewMedia];
406 407
    else {
        [self _stopPlayback];
408
        [self closePlayback:nil];
409
    }
410 411 412 413
}

- (void)_playNewMedia
{
414
    NSNumber *playbackPositionInTime = @(0);
415
    if (self.mediaItem.lastPosition && [self.mediaItem.lastPosition floatValue] < .95) {
416 417
        if (self.mediaItem.duration.intValue != 0)
            playbackPositionInTime = @(self.mediaItem.lastPosition.floatValue * (self.mediaItem.duration.intValue / 1000.));
418
    }
419 420 421 422
    if (playbackPositionInTime.intValue > 0) {
        [_mediaPlayer.media addOptions:@{@"start-time": playbackPositionInTime}];
        APLog(@"set starttime to %i", playbackPositionInTime.intValue);
    }
423

424 425 426
    [_mediaPlayer addObserver:self forKeyPath:@"time" options:0 context:nil];
    [_mediaPlayer addObserver:self forKeyPath:@"remainingTime" options:0 context:nil];

Felix Paul Kühne's avatar
Felix Paul Kühne committed
427
    [_mediaPlayer play];
428

429 430 431 432 433 434
    if (self.mediaItem) {
        if (self.mediaItem.lastAudioTrack.intValue > 0)
            _mediaPlayer.currentAudioTrackIndex = self.mediaItem.lastAudioTrack.intValue;
        if (self.mediaItem.lastSubtitleTrack.intValue > 0)
            _mediaPlayer.currentVideoSubTitleIndex = self.mediaItem.lastSubtitleTrack.intValue;
    }
435

436 437
    self.playbackSpeedSlider.value = [self _playbackSpeed];
    [self _updatePlaybackSpeedIndicator];
438

439 440
    [self performSelectorInBackground:@selector(_updateExportedPlaybackInformation) withObject:nil];

441 442
    _currentAspectRatioMask = 0;
    _mediaPlayer.videoAspectRatio =  NULL;
443

444
    [self _resetIdleTimer];
445
    _playerIsSetup = YES;
Felix Paul Kühne's avatar
Felix Paul Kühne committed
446 447
}

448
- (void)viewWillDisappear:(BOOL)animated
Felix Paul Kühne's avatar
Felix Paul Kühne committed
449
{
450
    [self _stopPlayback];
451
    _viewAppeared = NO;
452
    if (_idleTimer) {
453
        [_idleTimer invalidate];
454 455
        _idleTimer = nil;
    }
456
    [self.navigationController setNavigationBarHidden:NO animated:YES];
457 458
    if (!SYSTEM_RUNS_IN_THE_FUTURE)
        [UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleBlackOpaque;
459
    [[UIApplication sharedApplication] setStatusBarHidden:NO withAnimation:UIStatusBarAnimationFade];
460
    [super viewWillDisappear:animated];
461

Felix Paul Kühne's avatar
Felix Paul Kühne committed
462 463 464 465 466 467
    // hide filter UI for next run
    if (!_videoFiltersHidden)
        _videoFiltersHidden = YES;

    if (!_playbackSpeedViewHidden)
        _playbackSpeedViewHidden = YES;
Felix Paul Kühne's avatar
Felix Paul Kühne committed
468 469
}

470 471 472
- (void)_stopPlayback
{
    if (_mediaPlayer) {
473 474 475 476 477 478 479 480
        @try {
            [_mediaPlayer removeObserver:self forKeyPath:@"time"];
            [_mediaPlayer removeObserver:self forKeyPath:@"remainingTime"];
        }
        @catch (NSException *exception) {
            APLog(@"we weren't an observer yet");
        }

481 482 483 484 485 486 487 488 489 490 491
        [_mediaPlayer pause];
        [self _saveCurrentState];
        [_mediaPlayer stop];
        _mediaPlayer = nil; // save memory and some CPU time
    }
    if (_mediaItem)
        _mediaItem = nil;

    _playerIsSetup = NO;
}

492 493 494 495 496 497 498 499 500
- (void)_saveCurrentState
{
    if (self.mediaItem) {
        self.mediaItem.lastPosition = @([_mediaPlayer position]);
        self.mediaItem.lastAudioTrack = @(_mediaPlayer.currentAudioTrackIndex);
        self.mediaItem.lastSubtitleTrack = @(_mediaPlayer.currentVideoSubTitleIndex);
    }
}

501 502 503 504 505 506 507 508 509 510 511 512 513 514
#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];
515 516

    [[NSUserDefaults standardUserDefaults] setBool:_displayRemainingTime forKey:kVLCShowRemainingTime];
517 518 519 520 521 522 523 524 525 526 527 528 529
}

- (BOOL)canBecomeFirstResponder
{
    return YES;
}

- (void)remoteControlReceivedWithEvent:(UIEvent *)event
{
    switch (event.subtype) {
        case UIEventSubtypeRemoteControlPlay:
            [_mediaPlayer play];
            break;
530

531 532 533 534 535
        case UIEventSubtypeRemoteControlPause:
            [_mediaPlayer pause];
            break;

        case UIEventSubtypeRemoteControlTogglePlayPause:
536
            [self playPause];
537 538 539 540 541 542 543
            break;

        default:
            break;
    }
}

544 545
#pragma mark - controls visibility

546 547 548 549 550 551
- (void)handlePinchGesture:(UIPinchGestureRecognizer *)recognizer
{
    if (recognizer.velocity < 0.)
        [self closePlayback:nil];
}

552 553
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch
{
Felix Paul Kühne's avatar
Felix Paul Kühne committed
554
    if (touch.view != self.view)
555 556 557 558 559
        return NO;

    return YES;
}

560
- (void)setControlsHidden:(BOOL)hidden animated:(BOOL)animated
561
{
562
    _controlsHidden = hidden;
563
    CGFloat alpha = _controlsHidden? 0.0f: 1.0f;
564

565 566
    if (!_controlsHidden) {
        _controllerPanel.alpha = 0.0f;
567
        _controllerPanel.hidden = !_videoFiltersHidden;
568 569
        _toolbar.alpha = 0.0f;
        _toolbar.hidden = NO;
570 571
        _videoFilterView.alpha = 0.0f;
        _videoFilterView.hidden = _videoFiltersHidden;
572 573
        _playbackSpeedView.alpha = 0.0f;
        _playbackSpeedView.hidden = _playbackSpeedViewHidden;
574
    }
575

576 577
    void (^animationBlock)() = ^() {
        _controllerPanel.alpha = alpha;
578
        _toolbar.alpha = alpha;
579
        _videoFilterView.alpha = alpha;
580
        _playbackSpeedView.alpha = alpha;
581
    };
582

583
    void (^completionBlock)(BOOL finished) = ^(BOOL finished) {
584
        if (_videoFiltersHidden)
585
            _controllerPanel.hidden = _controlsHidden;
586
        else
587
            _controllerPanel.hidden = NO;
588
        _toolbar.hidden = _controlsHidden;
589
        _videoFilterView.hidden = _videoFiltersHidden;
590
        _playbackSpeedView.hidden = _playbackSpeedViewHidden;
591
    };
592

593 594
    UIStatusBarAnimation animationType = animated? UIStatusBarAnimationFade: UIStatusBarAnimationNone;
    NSTimeInterval animationDuration = animated? 0.3: 0.0;
595 596

    [[UIApplication sharedApplication] setStatusBarHidden:_viewAppeared ? _controlsHidden : NO withAnimation:animationType];
597
    [UIView animateWithDuration:animationDuration animations:animationBlock completion:completionBlock];
598 599

    _volumeView.hidden = _controllerPanel.hidden;
600
}
601

602
- (void)toggleControlsVisible
603
{
604 605 606
    if (_controlsHidden && !_videoFiltersHidden)
        _videoFiltersHidden = YES;

607
    [self setControlsHidden:!_controlsHidden animated:YES];
608 609
}

610
- (void)_resetIdleTimer
611 612
{
    if (!_idleTimer)
613
        _idleTimer = [NSTimer scheduledTimerWithTimeInterval:4.
614 615 616 617 618
                                                      target:self
                                                    selector:@selector(idleTimerExceeded)
                                                    userInfo:nil
                                                     repeats:NO];
    else {
619 620
        if (fabs([_idleTimer.fireDate timeIntervalSinceNow]) < 4.)
            [_idleTimer setFireDate:[NSDate dateWithTimeIntervalSinceNow:4.]];
621 622 623 624 625 626 627
    }
}

- (void)idleTimerExceeded
{
    _idleTimer = nil;
    if (!_controlsHidden)
628
        [self toggleControlsVisible];
629

630 631 632 633 634 635
    if (!_videoFiltersHidden)
        _videoFiltersHidden = YES;

    if (!_playbackSpeedViewHidden)
        _playbackSpeedViewHidden = YES;

Felix Paul Kühne's avatar
Felix Paul Kühne committed
636 637
    if (self.scrubIndicatorView.hidden == NO)
        self.scrubIndicatorView.hidden = YES;
638 639
}

640 641
- (UIResponder *)nextResponder
{
642
    [self _resetIdleTimer];
643 644 645
    return [super nextResponder];
}

646 647 648 649
#pragma mark - controls

- (IBAction)closePlayback:(id)sender
{
650
    [self setControlsHidden:NO animated:NO];
651 652 653 654 655
    [self.navigationController popViewControllerAnimated:YES];
}

- (IBAction)positionSliderAction:(UISlider *)sender
{
656 657 658
    /* we need to limit the number of events sent by the slider, since otherwise, the user
     * wouldn't see the I-frames when seeking on current mobile devices. This isn't a problem
     * within the Simulator, but especially on older ARMv7 devices, it's clearly noticeable. */
659
    [self performSelector:@selector(_setPositionForReal) withObject:nil afterDelay:0.3];
660
    VLCTime *newPosition = [VLCTime timeWithInt:(int)(_positionSlider.value * self.mediaItem.duration.intValue)];
661
    [self.timeDisplay setTitle:newPosition.stringValue forState:UIControlStateNormal];
662
    self.timeDisplay.accessibilityLabel = [NSString stringWithFormat:@"%@: %@", NSLocalizedString(@"PLAYBACK_POSITION", @""), newPosition.stringValue];
663
    _positionSet = NO;
664
    [self _resetIdleTimer];
665 666
}

667 668 669 670 671 672 673 674
- (void)_setPositionForReal
{
    if (!_positionSet) {
        _mediaPlayer.position = _positionSlider.value;
        _positionSet = YES;
    }
}

675 676 677 678
- (IBAction)positionSliderTouchDown:(id)sender
{
    [self _updateScrubLabel];
    self.scrubIndicatorView.hidden = NO;
679
    _isScrubbing = YES;
680 681 682 683 684
}

- (IBAction)positionSliderTouchUp:(id)sender
{
    self.scrubIndicatorView.hidden = YES;
685
    _isScrubbing = NO;
686 687 688 689 690 691 692 693 694 695 696 697 698
}

- (void)_updateScrubLabel
{
    float speed = self.positionSlider.scrubbingSpeed;
    if (speed == 1.)
        self.currentScrubSpeedLabel.text = NSLocalizedString(@"PLAYBACK_SCRUB_HIGH", @"");
    else if (speed == .5)
        self.currentScrubSpeedLabel.text = NSLocalizedString(@"PLAYBACK_SCRUB_HALF", @"");
    else if (speed == .25)
        self.currentScrubSpeedLabel.text = NSLocalizedString(@"PLAYBACK_SCRUB_QUARTER", @"");
    else
        self.currentScrubSpeedLabel.text = NSLocalizedString(@"PLAYBACK_SCRUB_FINE", @"");
699 700

    [self _resetIdleTimer];
701 702 703 704 705 706 707
}

- (IBAction)positionSliderDrag:(id)sender
{
    [self _updateScrubLabel];
}

708 709 710 711 712
- (IBAction)volumeSliderAction:(id)sender
{
    [self _resetIdleTimer];
}

713 714
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
{
715 716 717 718
    if (!_isScrubbing) {
        self.positionSlider.value = [_mediaPlayer position];
    }

719
    if (_displayRemainingTime)
720
        [self.timeDisplay setTitle:[[_mediaPlayer remainingTime] stringValue] forState:UIControlStateNormal];
721
    else
722
        [self.timeDisplay setTitle:[[_mediaPlayer time] stringValue] forState:UIControlStateNormal];
723 724
}

725 726
- (void)mediaPlayerStateChanged:(NSNotification *)aNotification
{
Felix Paul Kühne's avatar
Felix Paul Kühne committed
727 728 729 730
    VLCMediaPlayerState currentState = _mediaPlayer.state;

    if (currentState == VLCMediaPlayerStateError) {
        [self.statusLabel showStatusMessage:NSLocalizedString(@"PLAYBACK_FAILED", @"")];
731
        [self performSelector:@selector(closePlayback:) withObject:nil afterDelay:2.];
Felix Paul Kühne's avatar
Felix Paul Kühne committed
732 733
    }

734 735 736
    if (currentState == VLCMediaPlayerStateEnded || currentState == VLCMediaPlayerStateStopped)
        [self performSelector:@selector(closePlayback:) withObject:nil afterDelay:2.];

737
    UIImage *playPauseImage = [_mediaPlayer isPlaying]? [UIImage imageNamed:@"pauseIcon"] : [UIImage imageNamed:@"playIcon"];
Gleb Pinigin's avatar
Gleb Pinigin committed
738
    [_playPauseButton setImage:playPauseImage forState:UIControlStateNormal];
739 740 741 742 743 744 745 746 747 748

    if ([[_mediaPlayer audioTrackIndexes] count] > 2)
        self.audioSwitcherButton.hidden = NO;
    else
        self.audioSwitcherButton.hidden = YES;

    if ([[_mediaPlayer videoSubTitlesIndexes] count] > 1)
        self.subtitleSwitcherButton.hidden = NO;
    else
        self.subtitleSwitcherButton.hidden = YES;
749 750
}

751
- (IBAction)playPause
752
{
753
    if ([_mediaPlayer isPlaying])
754
        [_mediaPlayer pause];
755
    else
756 757 758 759 760 761 762 763 764 765 766 767 768 769 770
        [_mediaPlayer play];
}

- (IBAction)forward:(id)sender
{
    [_mediaPlayer mediumJumpForward];
}

- (IBAction)backward:(id)sender
{
    [_mediaPlayer mediumJumpBackward];
}

- (IBAction)switchAudioTrack:(id)sender
{
771
    _audiotrackActionSheet = [[UIActionSheet alloc] initWithTitle:NSLocalizedString(@"CHOOSE_AUDIO_TRACK", @"audio track selector") delegate:self cancelButtonTitle:nil destructiveButtonTitle:nil otherButtonTitles: nil];
Felix Paul Kühne's avatar
Felix Paul Kühne committed
772
    NSArray *audioTracks = [_mediaPlayer audioTrackNames];
773 774
    NSArray *audioTrackIndexes = [_mediaPlayer audioTrackIndexes];

775
    NSUInteger count = [audioTracks count];
776 777 778 779 780
    for (NSUInteger i = 0; i < count; i++) {
        NSString *indexIndicator = ([audioTrackIndexes[i] intValue] == [_mediaPlayer currentAudioTrackIndex])? @"\u2713": @"";
        NSString *buttonTitle = [NSString stringWithFormat:@"%@ %@", indexIndicator, audioTracks[i]];
        [_audiotrackActionSheet addButtonWithTitle:buttonTitle];
    }
Felix Paul Kühne's avatar
Felix Paul Kühne committed
781

782
    [_audiotrackActionSheet addButtonWithTitle:NSLocalizedString(@"BUTTON_CANCEL", @"cancel button")];
783
    [_audiotrackActionSheet setCancelButtonIndex:[_audiotrackActionSheet numberOfButtons] - 1];
784
    [_audiotrackActionSheet showInView:self.audioSwitcherButton];
785 786 787 788
}

- (IBAction)switchSubtitleTrack:(id)sender
{
Felix Paul Kühne's avatar
Felix Paul Kühne committed
789
    NSArray *spuTracks = [_mediaPlayer videoSubTitlesNames];
790
    NSArray *spuTrackIndexes = [_mediaPlayer videoSubTitlesIndexes];
Felix Paul Kühne's avatar
Felix Paul Kühne committed
791

792
    NSUInteger count = [spuTracks count];
793 794
    if (count <= 1)
        return;
795
    _subtitleActionSheet = [[UIActionSheet alloc] initWithTitle:NSLocalizedString(@"CHOOSE_SUBTITLE_TRACK", @"subtitle track selector") delegate:self cancelButtonTitle:nil destructiveButtonTitle:nil otherButtonTitles: nil];
Felix Paul Kühne's avatar
Felix Paul Kühne committed
796

797 798 799 800 801 802
    for (NSUInteger i = 0; i < count; i++) {
        NSString *indexIndicator = ([spuTrackIndexes[i] intValue] == [_mediaPlayer currentVideoSubTitleIndex])? @"\u2713": @"";
        NSString *buttonTitle = [NSString stringWithFormat:@"%@ %@", indexIndicator, spuTracks[i]];
        [_subtitleActionSheet addButtonWithTitle:buttonTitle];
    }

803
    [_subtitleActionSheet addButtonWithTitle:NSLocalizedString(@"BUTTON_CANCEL", @"cancel button")];
804
    [_subtitleActionSheet setCancelButtonIndex:[_subtitleActionSheet numberOfButtons] - 1];
805
    [_subtitleActionSheet showInView: self.subtitleSwitcherButton];
806 807 808
}

- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex {
809 810
    if (buttonIndex == [actionSheet cancelButtonIndex])
        return;
Felix Paul Kühne's avatar
Felix Paul Kühne committed
811

Felix Paul Kühne's avatar
Felix Paul Kühne committed
812
    NSArray *indexArray;
813
    if (actionSheet == _subtitleActionSheet) {
814 815 816
        indexArray = _mediaPlayer.videoSubTitlesIndexes;
        if (buttonIndex <= indexArray.count) {
            _mediaPlayer.currentVideoSubTitleIndex = [indexArray[buttonIndex] intValue];
817
        }
818
    } else if (actionSheet == _audiotrackActionSheet) {
Felix Paul Kühne's avatar
Felix Paul Kühne committed
819
        indexArray = _mediaPlayer.audioTrackIndexes;
820 821
        if (buttonIndex <= indexArray.count) {
            _mediaPlayer.currentAudioTrackIndex = [indexArray[buttonIndex] intValue];
822
        }
823 824 825
    }
}

826
- (IBAction)toggleTimeDisplay:(id)sender
827 828
{
    _displayRemainingTime = !_displayRemainingTime;
829 830

    [self _resetIdleTimer];
831 832
}

833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857
#pragma mark - swipe gestures

- (void)horizontalSwipePercentage:(CGFloat)percentage inView:(UIView *)view
{
    if (percentage != 0.) {
        _mediaPlayer.position = _mediaPlayer.position + percentage;
    }
}

- (void)verticalSwipePercentage:(CGFloat)percentage inView:(UIView *)view half:(NSUInteger)half
{
    if (percentage != 0.) {
        if (half > 0) {
            CGFloat currentValue = self.brightnessSlider.value;
            currentValue = currentValue + percentage;
            self.brightnessSlider.value = currentValue;
            if ([self hasExternalDisplay])
                _mediaPlayer.brightness = currentValue;
            else
                [[UIScreen mainScreen] setBrightness:currentValue / 2];
        } else
            NSLog(@"volume setting through swipe not implemented");//_mediaPlayer.audio.volume = percentage * 200;
    }
}

858 859 860 861
#pragma mark - Video Filter UI

- (IBAction)videoFilterToggle:(id)sender
{
862 863
    if (!_playbackSpeedViewHidden)
        self.playbackSpeedView.hidden = _playbackSpeedViewHidden = YES;
864

865 866 867 868 869
    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) {
        if (!_controlsHidden)
            self.controllerPanel.hidden = _controlsHidden = YES;
    }

870 871 872 873 874 875 876 877 878 879
    self.videoFilterView.hidden = !_videoFiltersHidden;
    _videoFiltersHidden = self.videoFilterView.hidden;
}

- (IBAction)videoFilterSliderAction:(id)sender
{
    if (sender == self.hueSlider)
        _mediaPlayer.hue = (int)self.hueSlider.value;
    else if (sender == self.contrastSlider)
        _mediaPlayer.contrast = self.contrastSlider.value;
880 881 882 883 884 885
    else if (sender == self.brightnessSlider) {
        if ([self hasExternalDisplay])
            _mediaPlayer.brightness = self.brightnessSlider.value;
        else
            [[UIScreen mainScreen] setBrightness:(self.brightnessSlider.value / 2.)];
    } else if (sender == self.saturationSlider)
886 887 888
        _mediaPlayer.saturation = self.saturationSlider.value;
    else if (sender == self.gammaSlider)
        _mediaPlayer.gamma = self.gammaSlider.value;
889 890 891 892
    else if (sender == self.resetVideoFilterButton) {
        _mediaPlayer.hue = self.hueSlider.value = 0.;
        _mediaPlayer.contrast = self.contrastSlider.value = 1.;
        _mediaPlayer.brightness = self.brightnessSlider.value = 1.;
893
        [[UIScreen mainScreen] setBrightness:(self.brightnessSlider.value / 2.)];
Felix Paul Kühne's avatar