mirror of https://github.com/HandBrake/HandBrake
75 lines
1.9 KiB
Objective-C
75 lines
1.9 KiB
Objective-C
/* HBPreviewGenerator.h $
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This file is part of the HandBrake source code.
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Homepage: <http://handbrake.fr/>.
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It may be used under the terms of the GNU General Public License. */
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#import <Foundation/Foundation.h>
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#import <CoreVideo/CoreVideo.h>
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NS_ASSUME_NONNULL_BEGIN
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@class HBCore;
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@class HBJob;
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@protocol HBPreviewGeneratorDelegate <NSObject>
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- (void) reloadPreviews;
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- (void) didCreateMovieAtURL: (NSURL *) fileURL;
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- (void) didCancelMovieCreation;
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- (void) updateProgress: (double) progress info: (NSString *) progressInfo;
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@end
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@interface HBPreviewGenerator : NSObject
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@property (nonatomic, assign, nullable) id <HBPreviewGeneratorDelegate> delegate;
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- (instancetype)init NS_UNAVAILABLE;
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- (instancetype)initWithCore:(HBCore *)core job:(HBJob *)job NS_DESIGNATED_INITIALIZER;
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/**
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* Wait until all the asynchronous operations are done.
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*/
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- (void)invalidate;
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#pragma mark - Still image generator
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/**
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* Returns the picture preview CVPixelBuffer at the specified index
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*
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* @param index picture index in title.
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*/
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- (nullable CVPixelBufferRef)copyPixelBufferAtIndex:(NSUInteger)index shouldCache:(BOOL)cache;
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/**
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* Returns the picture preview at the specified index
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*
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* @param index picture index in title.
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*/
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- (nullable CGImageRef)copyImageAtIndex:(NSUInteger)index shouldCache:(BOOL)cache CF_RETURNS_RETAINED;
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/**
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* Returns a small picture preview at the specified index asynchronously
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*
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* @param index picture index in title.
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*/
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- (void) copySmallImageAtIndex: (NSUInteger) index completionHandler:(void (^)(__nullable CGImageRef result))handler;
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@property (nonatomic, readonly) NSUInteger imagesCount;
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@property (nonatomic, readonly) CGSize imageSize;
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- (void) purgeImageCache;
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@property (nonatomic, readonly, copy) NSString *info;
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#pragma mark - Video generator
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- (BOOL) createMovieAsyncWithImageAtIndex: (NSUInteger) index duration: (NSUInteger) seconds;
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- (void) cancel;
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@end
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NS_ASSUME_NONNULL_END
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