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/* HBPlayer.h $
This file is part of the HandBrake source code.
Homepage: <http://handbrake.fr/>.
It may be used under the terms of the GNU General Public License. */
#import <Foundation/Foundation.h>
#import <QuartzCore/QuartzCore.h>
#import "HBPlayerTrack.h"
NS_ASSUME_NONNULL_BEGIN
/**
* A protocol for a generic player,
* users should call loadPlayableValueAsynchronouslyWithCompletionHandler
* before calling any other method or property.
*/
@protocol HBPlayer <NSObject>
- (instancetype)initWithURL:(NSURL *)url;
@property (nonatomic, readonly) CALayer *layer;
@property (nonatomic, readonly) NSTimeInterval duration;
@property (nonatomic) NSTimeInterval currentTime;
@property (nonatomic, readonly, copy) NSArray<HBPlayerTrack *> *audioTracks;
@property (nonatomic, readonly, copy) NSArray<HBPlayerTrack *> *subtitlesTracks;
- (void)enableAudioTrack:(nullable HBPlayerTrack *)playerTrack;
- (void)enableSubtitlesTrack:(nullable HBPlayerTrack *)playerTrack;
@property (nonatomic) float rate;
@property (nonatomic) float volume;
@property (nonatomic, readonly, getter=isPlayable) BOOL playable;
- (void)loadPlayableValueAsynchronouslyWithCompletionHandler:(nullable void (^)(void))handler;
- (id)addPeriodicTimeObserverUsingBlock:(void (^)(NSTimeInterval time))block;
- (void)removeTimeObserver:(id)observer;
- (id)addRateObserverUsingBlock:(void (^)(void))block;
- (void)removeRateObserver:(id)observer;
- (void)play;
- (void)pause;
- (void)gotoBeginning;
- (void)gotoEnd;
- (void)stepForward;
- (void)stepBackward;
@end
NS_ASSUME_NONNULL_END
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