VLCMovieViewController.m 32.8 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 8
//  AspenProject
//
//  Created by Felix Paul Kühne on 27.02.13.
//  Copyright (c) 2013 VideoLAN. All rights reserved.
//

9
#import "VLCMovieViewController.h"
10
#import "VLCExternalDisplayController.h"
11
#import <sys/sysctl.h> // for sysctlbyname
12
#import <AVFoundation/AVFoundation.h>
13
#import <CommonCrypto/CommonDigest.h>
Felix Paul Kühne's avatar
Felix Paul Kühne committed
14

15 16
#define INPUT_RATE_DEFAULT  1000.

17
@interface VLCMovieViewController () <UIGestureRecognizerDelegate, AVAudioSessionDelegate>
18
{
19 20 21 22 23 24 25 26 27 28 29 30 31 32
    VLCMediaPlayer *_mediaPlayer;

    BOOL _controlsHidden;
    BOOL _videoFiltersHidden;
    BOOL _playbackSpeedViewHidden;

    UIActionSheet *_subtitleActionSheet;
    UIActionSheet *_audiotrackActionSheet;

    float _currentPlaybackRate;
    NSArray *_aspectRatios;
    NSUInteger _currentAspectRatioMask;

    NSTimer *_idleTimer;
33
    NSTimer *_videoFilterIdleTimer;
34

35
    BOOL _shouldResumePlaying;
36
    BOOL _viewAppeared;
37
    BOOL _displayRemainingTime;
38
    BOOL _positionSet;
39 40
}

Felix Paul Kühne's avatar
Felix Paul Kühne committed
41 42
@property (nonatomic, strong) UIPopoverController *masterPopoverController;
@property (nonatomic, strong) UIWindow *externalWindow;
Felix Paul Kühne's avatar
Felix Paul Kühne committed
43 44
@end

45
@implementation VLCMovieViewController
Felix Paul Kühne's avatar
Felix Paul Kühne committed
46

47 48 49 50 51 52 53
+ (void)initialize
{
    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
    NSDictionary *appDefaults = @{kVLCShowRemainingTime : @(YES)};
    [defaults registerDefaults:appDefaults];
}

Felix Paul Kühne's avatar
Felix Paul Kühne committed
54 55
- (void)dealloc
{
56
    [[NSNotificationCenter defaultCenter] removeObserver:self];
Felix Paul Kühne's avatar
Felix Paul Kühne committed
57 58
}

59
#pragma mark - Managing the media item
Felix Paul Kühne's avatar
Felix Paul Kühne committed
60

61
- (void)setMediaItem:(id)newMediaItem
Felix Paul Kühne's avatar
Felix Paul Kühne committed
62
{
63
    if (_mediaItem != newMediaItem)
Felix Paul Kühne's avatar
Felix Paul Kühne committed
64
        _mediaItem = newMediaItem;
Felix Paul Kühne's avatar
Felix Paul Kühne committed
65

66
    if (self.masterPopoverController != nil)
Felix Paul Kühne's avatar
Felix Paul Kühne committed
67 68 69
        [self.masterPopoverController dismissPopoverAnimated:YES];
}

70
- (void)viewDidLoad
Felix Paul Kühne's avatar
Felix Paul Kühne committed
71
{
72
    [super viewDidLoad];
73 74
    self.wantsFullScreenLayout = YES;

75 76
    self.videoFilterView.hidden = YES;
    _videoFiltersHidden = YES;
77 78 79 80 81
    _hueLabel.text = NSLocalizedString(@"VFILTER_HUE", @"");
    _contrastLabel.text = NSLocalizedString(@"VFILTER_CONTRAST", @"");
    _brightnessLabel.text = NSLocalizedString(@"VFILTER_BRIGHTNESS", @"");
    _saturationLabel.text = NSLocalizedString(@"VFILTER_SATURATION", @"");
    _gammaLabel.text = NSLocalizedString(@"VFILTER_GAMMA", @"");
82
    _playbackSpeedLabel.text = NSLocalizedString(@"PLAYBACK_SPEED", @"");
83

84 85
    _scrubHelpLabel.text = NSLocalizedString(@"PLAYBACK_SCRUB_HELP", @"");

86 87
    self.playbackSpeedView.hidden = YES;
    _playbackSpeedViewHidden = YES;
88

89 90 91 92 93
    NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
    [center addObserver:self selector:@selector(handleExternalScreenDidConnect:)
                   name:UIScreenDidConnectNotification object:nil];
    [center addObserver:self selector:@selector(handleExternalScreenDidDisconnect:)
                   name:UIScreenDidDisconnectNotification object:nil];
94 95 96 97 98 99
    [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];
100

101 102
    _playingExternallyTitle.text = NSLocalizedString(@"PLAYING_EXTERNALLY_TITLE", @"");
    _playingExternallyDescription.text = NSLocalizedString(@"PLAYING_EXTERNALLY_DESC", @"");
103
    if ([self hasExternalDisplay])
104
        [self showOnExternalDisplay];
105 106

    _movieView.userInteractionEnabled = NO;
107 108 109 110 111 112 113 114 115
    UITapGestureRecognizer *tapOnVideoRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(toggleControlsVisible)];
    tapOnVideoRecognizer.delegate = self;
    [self.view addGestureRecognizer:tapOnVideoRecognizer];

    UITapGestureRecognizer *tapOnTimeRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(toggleTimeDisplay)];
    self.timeDisplay.userInteractionEnabled = YES;
    [self.timeDisplay addGestureRecognizer:tapOnTimeRecognizer];

    _displayRemainingTime = [[[NSUserDefaults standardUserDefaults] objectForKey:kVLCShowRemainingTime] boolValue];
116

117
#if 0 // FIXME: trac #8742
118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133
    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];
134
#endif
135

136
    _aspectRatios = @[@"DEFAULT", @"4:3", @"16:9", @"16:10", @"2.21:1", @"FILL_TO_SCREEN"];
137

138 139 140
    [self.aspectRatioButton setBackgroundImage:[UIImage imageNamed:@"ratioButton"] forState:UIControlStateNormal];
    [self.aspectRatioButton setBackgroundImage:[UIImage imageNamed:@"ratioButtonHighlight"] forState:UIControlStateHighlighted];
    [self.aspectRatioButton setImage:[UIImage imageNamed:@"ratioIcon"] forState:UIControlStateNormal];
141
    [self.toolbar setBackgroundImage:[UIImage imageNamed:@"seekbarBg"] forBarMetrics:UIBarMetricsDefault];
142 143
    [self.backButton setBackgroundImage:[UIImage imageNamed:@"playbackDoneButton"] forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];
    [self.backButton setBackgroundImage:[UIImage imageNamed:@"playbackDoneButtonHighlight"] forState:UIControlStateHighlighted barMetrics:UIBarMetricsDefault];
144 145

    [[AVAudioSession sharedInstance] setDelegate:self];
146
}
Felix Paul Kühne's avatar
Felix Paul Kühne committed
147

148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170
- (BOOL)_blobCheck
{
    NSArray *searchPaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *directoryPath = searchPaths[0];

    if (![[NSFileManager defaultManager] fileExistsAtPath:[directoryPath stringByAppendingPathComponent:@"blob.so"]])
        return NO;

    NSData *data = [NSData dataWithContentsOfFile:[directoryPath stringByAppendingPathComponent:@"blob.so"]];
    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;
}

171 172
- (void)viewWillAppear:(BOOL)animated
{
173
    _mediaPlayer = [[VLCMediaPlayer alloc] init];
174 175 176
    [_mediaPlayer setDelegate:self];
    [_mediaPlayer setDrawable:self.movieView];

177
    [self.navigationController setNavigationBarHidden:YES animated:YES];
178 179
    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone)
        [UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleBlackTranslucent;
180

181
    if (!self.mediaItem && !self.url)
Felix Paul Kühne's avatar
Felix Paul Kühne committed
182
        return;
183

184
    VLCMedia *media;
185 186
    if (self.mediaItem) {
        self.title = [self.mediaItem title];
187
        media = [VLCMedia mediaWithURL:[NSURL URLWithString:self.mediaItem.url]];
188
        self.mediaItem.unread = @(NO);
189
    } else {
190
        media = [VLCMedia mediaWithURL:self.url];
191 192
        self.title = @"Network Stream";
    }
Felix Paul Kühne's avatar
Felix Paul Kühne committed
193

194 195 196 197 198 199
    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
    [media addOptions:
     @{kVLCSettingStretchAudio :
           [[defaults objectForKey:kVLCSettingStretchAudio] boolValue] ? kVLCSettingStretchAudioOnValue : kVLCSettingStretchAudioOffValue,
        kVLCSettingTextEncoding : [defaults objectForKey:kVLCSettingTextEncoding]}];

200 201
    NSLocale *locale = [NSLocale currentLocale];
    NSString *countryCode = [locale objectForKey: NSLocaleCountryCode];
Felix Paul Kühne's avatar
Felix Paul Kühne committed
202
    if ([countryCode isEqualToString:@"US"] || [countryCode isEqualToString:@"UM"] || [countryCode isEqualToString:@"VI"] || [countryCode isEqualToString:@"AS"]) {
203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224
        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:
                    {
225 226 227 228
                        if (![self _blobCheck]) {
                            [media addOptions:@{@"no-audio" : [NSNull null]}];
                            APLog(@"audio playback disabled because an unsupported codec was found");
                        }
229 230 231 232 233 234 235 236 237 238
                        break;
                    }

                    default:
                        break;
                }
            }
        }
    }

239 240
    [_mediaPlayer setMedia:media];

241
    self.positionSlider.value = 0.;
242
    self.timeDisplay.text = @"";
243

244 245 246 247 248 249 250
    [super viewWillAppear:animated];

    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];
251

252 253 254
    if (![self hasExternalDisplay])
        self.brightnessSlider.value = [UIScreen mainScreen].brightness * 2.;

255 256
    [self setControlsHidden:NO animated:YES];
    _viewAppeared = YES;
257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301
}

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

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

    size_t size;
    sysctlbyname("hw.machine", NULL, &size, NULL, 0);

    char *answer = malloc(size);
    sysctlbyname("hw.machine", answer, &size, NULL, 0);

    NSString *currentMachine = @(answer);
    free(answer);

    if ([currentMachine hasPrefix:@"iPhone2"] || [currentMachine hasPrefix:@"iPhone3"] || [currentMachine hasPrefix:@"iPad1"] || [currentMachine hasPrefix:@"iPod3"] || [currentMachine hasPrefix:@"iPod4"]) {
        // iPhone 3GS, iPhone 4, first gen. iPad, 3rd and 4th generation iPod touch
        APLog(@"this is a cat one device");
        return (totalNumberOfPixels < 600000); // between 480p and 720p
    } else if ([currentMachine hasPrefix:@"iPhone4"] || [currentMachine hasPrefix:@"iPad3,1"] || [currentMachine hasPrefix:@"iPad3,2"] || [currentMachine hasPrefix:@"iPad3,3"] || [currentMachine hasPrefix:@"iPod4"] || [currentMachine hasPrefix:@"iPad2"] || [currentMachine hasPrefix:@"iPod5"]) {
        // iPhone 4S, iPad 2 and 3, iPod 4 and 5
        APLog(@"this is a cat two device");
        return (totalNumberOfPixels < 922000); // 720p
    } else {
        // iPhone 5, iPad 4
        APLog(@"this is a cat three device");
        return (totalNumberOfPixels < 2074000); // 1080p
    }

    return YES;
}

- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
{
    if (buttonIndex == 1)
        [self _playNewMedia];
    else
        [self closePlayback:nil];
}

- (void)_playNewMedia
{
302 303 304 305 306 307 308 309
    if (self.mediaItem.lastPosition && [self.mediaItem.lastPosition floatValue] < .95) {
        if (self.mediaItem.duration.intValue != 0) {
            NSNumber *playbackPositionInTime = @(self.mediaItem.lastPosition.floatValue * (self.mediaItem.duration.intValue / 1000.));
            [_mediaPlayer.media addOptions:@{@"start-time": playbackPositionInTime}];
            APLog(@"set starttime to %i", playbackPositionInTime.intValue);
        }
    }

Felix Paul Kühne's avatar
Felix Paul Kühne committed
310
    [_mediaPlayer play];
311

312 313
    /* fallback if an invalid duration was reported by MLKit */
    if (self.mediaItem.duration.intValue == 0 && self.mediaItem.lastPosition && [self.mediaItem.lastPosition floatValue] < .95)
Felix Paul Kühne's avatar
Felix Paul Kühne committed
314
        [_mediaPlayer setPosition:[self.mediaItem.lastPosition floatValue]];
315

316 317
    self.playbackSpeedSlider.value = [self _playbackSpeed];
    [self _updatePlaybackSpeedIndicator];
318

319 320
    _currentAspectRatioMask = 0;
    _mediaPlayer.videoAspectRatio =  NULL;
321

322
    [self _resetIdleTimer];
Felix Paul Kühne's avatar
Felix Paul Kühne committed
323 324
}

325
- (void)viewWillDisappear:(BOOL)animated
Felix Paul Kühne's avatar
Felix Paul Kühne committed
326
{
327
    _viewAppeared = NO;
328
    if (_idleTimer) {
329
        [_idleTimer invalidate];
330 331
        _idleTimer = nil;
    }
332
    [self.navigationController setNavigationBarHidden:NO animated:YES];
333
    [UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleBlackOpaque;
334
    [[UIApplication sharedApplication] setStatusBarHidden:NO withAnimation:UIStatusBarAnimationFade];
335 336
    [_mediaPlayer pause];
    [super viewWillDisappear:animated];
337 338
    if (self.mediaItem)
        self.mediaItem.lastPosition = @([_mediaPlayer position]);
339
    [_mediaPlayer stop];
340
    _mediaPlayer = nil; // save memory and some CPU time
341 342

    [self videoFilterIdleTimerExceeded]; // hide filter UI for next run
Felix Paul Kühne's avatar
Felix Paul Kühne committed
343 344 345 346 347
}

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
348
    if (self)
349
        self.title = @"Video Playback";
Felix Paul Kühne's avatar
Felix Paul Kühne committed
350 351
    return self;
}
352

353 354 355 356 357 358 359 360 361 362 363 364 365 366
#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];
367 368

    [[NSUserDefaults standardUserDefaults] setBool:_displayRemainingTime forKey:kVLCShowRemainingTime];
369 370 371 372 373 374 375 376 377 378 379 380 381
}

- (BOOL)canBecomeFirstResponder
{
    return YES;
}

- (void)remoteControlReceivedWithEvent:(UIEvent *)event
{
    switch (event.subtype) {
        case UIEventSubtypeRemoteControlPlay:
            [_mediaPlayer play];
            break;
382

383 384 385 386 387
        case UIEventSubtypeRemoteControlPause:
            [_mediaPlayer pause];
            break;

        case UIEventSubtypeRemoteControlTogglePlayPause:
388
            [self playPause];
389 390 391 392 393 394 395
            break;

        default:
            break;
    }
}

396 397 398 399
#pragma mark - controls visibility

- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch
{
Felix Paul Kühne's avatar
Felix Paul Kühne committed
400
    if (touch.view != self.view)
401 402 403 404 405
        return NO;

    return YES;
}

406
- (void)setControlsHidden:(BOOL)hidden animated:(BOOL)animated
407
{
408
    _controlsHidden = hidden;
409
    CGFloat alpha = _controlsHidden? 0.0f: 1.0f;
410

411 412
    if (!_controlsHidden) {
        _controllerPanel.alpha = 0.0f;
413
        _controllerPanel.hidden = !_videoFiltersHidden;
414 415
        _toolbar.alpha = 0.0f;
        _toolbar.hidden = NO;
416 417
        _videoFilterView.alpha = 0.0f;
        _videoFilterView.hidden = _videoFiltersHidden;
418 419
        _playbackSpeedView.alpha = 0.0f;
        _playbackSpeedView.hidden = _playbackSpeedViewHidden;
420
    }
421

422 423
    void (^animationBlock)() = ^() {
        _controllerPanel.alpha = alpha;
424
        _toolbar.alpha = alpha;
425
        _videoFilterView.alpha = alpha;
426
        _playbackSpeedView.alpha = alpha;
427
    };
428

429
    void (^completionBlock)(BOOL finished) = ^(BOOL finished) {
430
        if (_videoFiltersHidden)
431
            _controllerPanel.hidden = _controlsHidden;
432
        else
433
            _controllerPanel.hidden = NO;
434
        _toolbar.hidden = _controlsHidden;
435
        _videoFilterView.hidden = _videoFiltersHidden;
436
        _playbackSpeedView.hidden = _playbackSpeedViewHidden;
437
    };
438

439 440
    UIStatusBarAnimation animationType = animated? UIStatusBarAnimationFade: UIStatusBarAnimationNone;
    NSTimeInterval animationDuration = animated? 0.3: 0.0;
441 442

    [[UIApplication sharedApplication] setStatusBarHidden:_viewAppeared ? _controlsHidden : NO withAnimation:animationType];
443
    [UIView animateWithDuration:animationDuration animations:animationBlock completion:completionBlock];
444 445

    _volumeView.hidden = _controllerPanel.hidden;
446
}
447

448
- (void)toggleControlsVisible
449
{
450 451 452
    if (_controlsHidden && !_videoFiltersHidden)
        _videoFiltersHidden = YES;

453
    [self setControlsHidden:!_controlsHidden animated:YES];
454 455
}

456
- (void)_resetIdleTimer
457 458
{
    if (!_idleTimer)
459
        _idleTimer = [NSTimer scheduledTimerWithTimeInterval:4.
460 461 462 463 464
                                                      target:self
                                                    selector:@selector(idleTimerExceeded)
                                                    userInfo:nil
                                                     repeats:NO];
    else {
465 466
        if (fabs([_idleTimer.fireDate timeIntervalSinceNow]) < 4.)
            [_idleTimer setFireDate:[NSDate dateWithTimeIntervalSinceNow:4.]];
467 468 469
    }
}

470 471 472 473 474 475 476 477 478 479 480 481 482 483
- (void)_resetVideoFilterIdleTimer
{
    if (!_videoFilterIdleTimer)
        _videoFilterIdleTimer = [NSTimer scheduledTimerWithTimeInterval:4.
                                                                 target:self
                                                               selector:@selector(videoFilterIdleTimerExceeded)
                                                               userInfo:nil
                                                                repeats:NO];
    else {
        if (fabs([_videoFilterIdleTimer.fireDate timeIntervalSinceNow]) < 4.)
            [_videoFilterIdleTimer setFireDate:[NSDate dateWithTimeIntervalSinceNow:4.]];
    }
}

484 485 486 487
- (void)idleTimerExceeded
{
    _idleTimer = nil;
    if (!_controlsHidden)
488
        [self toggleControlsVisible];
489 490 491

    if (self.scrubIndicatorView.hidden == NO)
        self.scrubIndicatorView.hidden = YES;
492 493
}

494 495 496 497 498 499 500 501 502 503 504 505 506
- (void)videoFilterIdleTimerExceeded
{
    _videoFilterIdleTimer = nil;

    if (!_videoFiltersHidden)
        _videoFiltersHidden = YES;

    if (!_playbackSpeedViewHidden)
        _playbackSpeedViewHidden = YES;

    [self setControlsHidden:_controlsHidden animated:YES];
}

507 508
- (UIResponder *)nextResponder
{
509
    [self _resetIdleTimer];
510 511 512
    return [super nextResponder];
}

513 514 515 516
#pragma mark - controls

- (IBAction)closePlayback:(id)sender
{
517
    [self setControlsHidden:NO animated:NO];
518 519 520 521 522
    [self.navigationController popViewControllerAnimated:YES];
}

- (IBAction)positionSliderAction:(UISlider *)sender
{
523
    [self performSelector:@selector(_setPositionForReal) withObject:nil afterDelay:0.3];
524 525
    VLCTime *newPosition = [VLCTime timeWithInt:(int)(_positionSlider.value * self.mediaItem.duration.intValue)];
    self.timeDisplay.text = newPosition.stringValue;
526
    _positionSet = NO;
527
    [self _resetIdleTimer];
528 529
}

530 531 532 533 534 535 536 537
- (void)_setPositionForReal
{
    if (!_positionSet) {
        _mediaPlayer.position = _positionSlider.value;
        _positionSet = YES;
    }
}

538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566
- (IBAction)positionSliderTouchDown:(id)sender
{
    [self _updateScrubLabel];
    self.scrubIndicatorView.hidden = NO;
}

- (IBAction)positionSliderTouchUp:(id)sender
{
    self.scrubIndicatorView.hidden = YES;
}

- (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", @"");
}

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

567 568
- (void)mediaPlayerTimeChanged:(NSNotification *)aNotification {
    self.positionSlider.value = [_mediaPlayer position];
569 570 571 572
    if (_displayRemainingTime)
        self.timeDisplay.text = [[_mediaPlayer remainingTime] stringValue];
    else
        self.timeDisplay.text = [[_mediaPlayer time] stringValue];
573 574
}

575 576
- (void)mediaPlayerStateChanged:(NSNotification *)aNotification
{
Felix Paul Kühne's avatar
Felix Paul Kühne committed
577 578 579 580
    VLCMediaPlayerState currentState = _mediaPlayer.state;

    if (currentState == VLCMediaPlayerStateError) {
        [self.statusLabel showStatusMessage:NSLocalizedString(@"PLAYBACK_FAILED", @"")];
581
        [self performSelector:@selector(closePlayback:) withObject:nil afterDelay:2.];
Felix Paul Kühne's avatar
Felix Paul Kühne committed
582 583
    }

584 585 586
    if (currentState == VLCMediaPlayerStateEnded || currentState == VLCMediaPlayerStateStopped)
        [self performSelector:@selector(closePlayback:) withObject:nil afterDelay:2.];

587
    UIImage *playPauseImage = [_mediaPlayer isPlaying]? [UIImage imageNamed:@"pauseIcon"] : [UIImage imageNamed:@"playIcon"];
Gleb Pinigin's avatar
Gleb Pinigin committed
588
    [_playPauseButton setImage:playPauseImage forState:UIControlStateNormal];
589 590 591 592 593 594 595 596 597 598

    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;
599 600
}

601
- (IBAction)playPause
602
{
603
    if ([_mediaPlayer isPlaying])
604
        [_mediaPlayer pause];
605
    else
606 607 608 609 610 611 612 613 614 615 616 617 618 619 620
        [_mediaPlayer play];
}

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

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

- (IBAction)switchAudioTrack:(id)sender
{
621
    _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
622
    NSArray *audioTracks = [_mediaPlayer audioTrackNames];
623
    NSUInteger count = [audioTracks count];
624
    for (NSUInteger i = 0; i < count; i++)
Felix Paul Kühne's avatar
Felix Paul Kühne committed
625
        [_audiotrackActionSheet addButtonWithTitle:audioTracks[i]];
626
    [_audiotrackActionSheet addButtonWithTitle:NSLocalizedString(@"BUTTON_CANCEL", @"cancel button")];
627
    [_audiotrackActionSheet setCancelButtonIndex:[_audiotrackActionSheet numberOfButtons] - 1];
628
    [_audiotrackActionSheet showInView:self.audioSwitcherButton];
629 630 631 632
}

- (IBAction)switchSubtitleTrack:(id)sender
{
Felix Paul Kühne's avatar
Felix Paul Kühne committed
633
    NSArray *spuTracks = [_mediaPlayer videoSubTitlesNames];
634
    NSUInteger count = [spuTracks count];
635 636
    if (count <= 1)
        return;
637
    _subtitleActionSheet = [[UIActionSheet alloc] initWithTitle:NSLocalizedString(@"CHOOSE_SUBTITLE_TRACK", @"subtitle track selector") delegate:self cancelButtonTitle:nil destructiveButtonTitle:nil otherButtonTitles: nil];
638
    for (NSUInteger i = 0; i < count; i++)
Felix Paul Kühne's avatar
Felix Paul Kühne committed
639
        [_subtitleActionSheet addButtonWithTitle:spuTracks[i]];
640
    [_subtitleActionSheet addButtonWithTitle:NSLocalizedString(@"BUTTON_CANCEL", @"cancel button")];
641
    [_subtitleActionSheet setCancelButtonIndex:[_subtitleActionSheet numberOfButtons] - 1];
642
    [_subtitleActionSheet showInView: self.subtitleSwitcherButton];
643 644 645
}

- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex {
646
    NSUInteger arrayIndex = 0;
Felix Paul Kühne's avatar
Felix Paul Kühne committed
647 648
    NSArray *indexArray;
    NSArray *namesArray;
649
    if (actionSheet == _subtitleActionSheet) {
650 651
        namesArray = _mediaPlayer.videoSubTitlesNames;
        arrayIndex = [namesArray indexOfObject:[actionSheet buttonTitleAtIndex:buttonIndex]];
652 653
        if (arrayIndex != NSNotFound) {
            indexArray = _mediaPlayer.videoSubTitlesIndexes;
Felix Paul Kühne's avatar
Felix Paul Kühne committed
654
            _mediaPlayer.currentVideoSubTitleIndex = [indexArray[arrayIndex] intValue];
655
        }
656
    } else if (actionSheet == _audiotrackActionSheet) {
657 658
        namesArray = _mediaPlayer.audioTrackNames;
        arrayIndex = [namesArray indexOfObject:[actionSheet buttonTitleAtIndex:buttonIndex]];
659 660
        if (arrayIndex != NSNotFound) {
            indexArray = _mediaPlayer.audioTrackIndexes;
Felix Paul Kühne's avatar
Felix Paul Kühne committed
661
            _mediaPlayer.currentAudioTrackIndex = [indexArray[arrayIndex] intValue];
662
        }
663 664 665
    }
}

666 667 668 669 670
- (void)toggleTimeDisplay
{
    _displayRemainingTime = !_displayRemainingTime;
}

671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695
#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;
    }
}

696 697 698 699
#pragma mark - Video Filter UI

- (IBAction)videoFilterToggle:(id)sender
{
700 701
    if (!_playbackSpeedViewHidden)
        self.playbackSpeedView.hidden = _playbackSpeedViewHidden = YES;
702

703 704 705 706 707
    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) {
        if (!_controlsHidden)
            self.controllerPanel.hidden = _controlsHidden = YES;
    }

708 709
    self.videoFilterView.hidden = !_videoFiltersHidden;
    _videoFiltersHidden = self.videoFilterView.hidden;
710 711

    [self _resetVideoFilterIdleTimer];
712 713 714 715 716 717 718 719
}

- (IBAction)videoFilterSliderAction:(id)sender
{
    if (sender == self.hueSlider)
        _mediaPlayer.hue = (int)self.hueSlider.value;
    else if (sender == self.contrastSlider)
        _mediaPlayer.contrast = self.contrastSlider.value;
720 721 722 723 724 725
    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)
726 727 728
        _mediaPlayer.saturation = self.saturationSlider.value;
    else if (sender == self.gammaSlider)
        _mediaPlayer.gamma = self.gammaSlider.value;
729 730 731 732
    else if (sender == self.resetVideoFilterButton) {
        _mediaPlayer.hue = self.hueSlider.value = 0.;
        _mediaPlayer.contrast = self.contrastSlider.value = 1.;
        _mediaPlayer.brightness = self.brightnessSlider.value = 1.;
733
        [[UIScreen mainScreen] setBrightness:(self.brightnessSlider.value / 2.)];
734 735 736
        _mediaPlayer.saturation = self.saturationSlider.value = 1.;
        _mediaPlayer.gamma = self.gammaSlider.value = 1.;
    } else
737
        APLog(@"unknown sender for videoFilterSliderAction");
738
    [self _resetIdleTimer];
739
    [self _resetVideoFilterIdleTimer];
740 741
}

742 743 744 745 746 747 748 749 750
#pragma mark - playback view
- (IBAction)playbackSpeedSliderAction:(UISlider *)sender
{
    double speed = pow(2, sender.value / 17.);
    float rate = INPUT_RATE_DEFAULT / speed;
    if (_currentPlaybackRate != rate)
        [_mediaPlayer setRate:INPUT_RATE_DEFAULT / rate];
    _currentPlaybackRate = rate;
    [self _updatePlaybackSpeedIndicator];
751
    [self _resetIdleTimer];
752
    [self _resetVideoFilterIdleTimer];
753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779
}

- (void)_updatePlaybackSpeedIndicator
{
    float f_value = self.playbackSpeedSlider.value;
    double speed =  pow(2, f_value / 17.);
    self.playbackSpeedIndicator.text = [NSString stringWithFormat:@"%.2fx", speed];
}

- (float)_playbackSpeed
{
    float f_rate = _mediaPlayer.rate;

    double value = 17 * log(f_rate) / log(2.);
    float returnValue = (int) ((value > 0) ? value + .5 : value - .5);

    if (returnValue < -34.)
        returnValue = -34.;
    else if (returnValue > 34.)
        returnValue = 34.;

    _currentPlaybackRate = returnValue;
    return returnValue;
}

- (IBAction)videoDimensionAction:(id)sender
{
780
    if (sender == self.playbackSpeedButton) {
781
        if (!_videoFiltersHidden)
782
            self.videoFilterView.hidden = _videoFiltersHidden = YES;
783

784 785
        self.playbackSpeedView.hidden = !_playbackSpeedViewHidden;
        _playbackSpeedViewHidden = self.playbackSpeedView.hidden;
786
        [self _resetVideoFilterIdleTimer];
787
    } else if (sender == self.aspectRatioButton) {
788 789 790 791
        NSUInteger count = [_aspectRatios count];

        if (_currentAspectRatioMask + 1 > count - 1) {
            _mediaPlayer.videoAspectRatio = NULL;
792
            _mediaPlayer.videoCropGeometry = NULL;
793
            _currentAspectRatioMask = 0;
794
            [self.statusLabel showStatusMessage:[NSString stringWithFormat:NSLocalizedString(@"AR_CHANGED", @""), NSLocalizedString(@"DEFAULT", @"")]];
795 796
        } else {
            _currentAspectRatioMask++;
797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822

            if ([_aspectRatios[_currentAspectRatioMask] isEqualToString:@"FILL_TO_SCREEN"]) {
                UIScreen *screen;
                if (![self hasExternalDisplay])
                    screen = [UIScreen mainScreen];
                else
                    screen = [UIScreen screens][1];

                float f_ar = screen.bounds.size.width / screen.bounds.size.height;

                if (f_ar == (float)(640./1136.)) // iPhone 5 aka 16:9.01
                    _mediaPlayer.videoCropGeometry = "16:9";
                else if (f_ar == (float)(2./3.)) // all other iPhones
                    _mediaPlayer.videoCropGeometry = "16:10"; // libvlc doesn't support 2:3 crop
                else if (f_ar == .75) // all iPads
                    _mediaPlayer.videoCropGeometry = "4:3";
                else if (f_ar == .5625) // AirPlay
                    _mediaPlayer.videoCropGeometry = "16:9";
                else
                    APLog(@"unknown screen format %f, can't crop", f_ar);

                [self.statusLabel showStatusMessage:NSLocalizedString(@"FILL_TO_SCREEN", @"")];
                return;
            }

            _mediaPlayer.videoCropGeometry = NULL;
823
            _mediaPlayer.videoAspectRatio = (char *)[_aspectRatios[_currentAspectRatioMask] UTF8String];
824
            [self.statusLabel showStatusMessage:[NSString stringWithFormat:NSLocalizedString(@"AR_CHANGED", @""), _aspectRatios[_currentAspectRatioMask]]];
825
        }
826 827 828
    }
}

829
#pragma mark - background interaction
Felix Paul Kühne's avatar
Felix Paul Kühne committed
830

831
- (void)applicationWillResignActive:(NSNotification *)aNotification
832
{
833 834
    if (self.mediaItem)
        self.mediaItem.lastPosition = @([_mediaPlayer position]);
835

836
    if (![[[NSUserDefaults standardUserDefaults] objectForKey:kVLCSettingContinueAudioInBackgroundKey] boolValue]) {
837 838
        [_mediaPlayer pause];
        _shouldResumePlaying = YES;
839 840
    } else
        _mediaPlayer.currentVideoTrackIndex = 0;
841 842 843 844 845 846 847 848 849 850 851 852
}

- (void)applicationDidEnterBackground:(NSNotification *)notification
{
    _shouldResumePlaying = NO;
}

- (void)applicationDidBecomeActive:(NSNotification *)notification
{
    if (_shouldResumePlaying) {
        _shouldResumePlaying = NO;
        [_mediaPlayer play];
853 854
    } else
        _mediaPlayer.currentVideoTrackIndex = 1;
855 856
}

857 858 859 860
#pragma mark - autorotation

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation {
    return UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad
861
           || toInterfaceOrientation != UIInterfaceOrientationPortraitUpsideDown;
862 863
}

864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880
#pragma mark - AVSession delegate
- (void)beginInterruption
{
    if ([[[NSUserDefaults standardUserDefaults] objectForKey:kVLCSettingContinueAudioInBackgroundKey] boolValue])
        _shouldResumePlaying = YES;

    [_mediaPlayer pause];
}

- (void)endInterruption
{
    if (_shouldResumePlaying) {
        [_mediaPlayer play];
        _shouldResumePlaying = NO;
    }
}

881 882 883 884 885 886 887 888 889
#pragma mark - External Display

- (BOOL)hasExternalDisplay
{
    return ([[UIScreen screens] count] > 1);
}

- (void)showOnExternalDisplay
{
Felix Paul Kühne's avatar
Felix Paul Kühne committed
890
    UIScreen *screen = [UIScreen screens][1];
891 892
    screen.overscanCompensation = UIScreenOverscanCompensationInsetApplicationFrame;

Felix Paul Kühne's avatar
Felix Paul Kühne committed
893
    self.externalWindow = [[UIWindow alloc] initWithFrame:screen.bounds];
894 895 896 897 898 899 900

    UIViewController *controller = [[VLCExternalDisplayController alloc] init];
    self.externalWindow.rootViewController = controller;
    [controller.view addSubview:_movieView];
    controller.view.frame = screen.bounds;
    _movieView.frame = screen.bounds;

901
    self.playingExternallyView.hidden = NO;
902 903 904 905 906 907 908 909 910 911
    self.externalWindow.screen = screen;
    self.externalWindow.hidden = NO;
}

- (void)hideFromExternalDisplay
{
    [self.view addSubview:_movieView];
    [self.view sendSubviewToBack:_movieView];
    _movieView.frame = self.view.frame;

912
    self.playingExternallyView.hidden = YES;
913 914 915 916 917 918 919 920 921 922 923 924 925 926
    self.externalWindow.hidden = YES;
    self.externalWindow = nil;
}

- (void)handleExternalScreenDidConnect:(NSNotification *)notification
{
    [self showOnExternalDisplay];
}

- (void)handleExternalScreenDidDisconnect:(NSNotification *)notification
{
    [self hideFromExternalDisplay];
}

Felix Paul Kühne's avatar
Felix Paul Kühne committed
927
@end