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/* HBCore.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 <Cocoa/Cocoa.h>
#include "hb.h"
@class HBJob;
// These constants specify the current state of HBCore.
typedef NS_ENUM(NSUInteger, HBState) {
HBStateIdle = HB_STATE_IDLE, ///< HB is doing nothing
HBStateScanning = HB_STATE_SCANNING, ///< HB is scanning
HBStateScanDone = HB_STATE_SCANDONE, ///< Scanning has been completed
HBStateWorking = HB_STATE_WORKING, ///< HB is encoding
HBStatePaused = HB_STATE_PAUSED, ///< Encoding is paused
HBStateWorkDone = HB_STATE_WORKDONE, ///< Encoding has been completed
HBStateMuxing = HB_STATE_MUXING, ///< HB is muxing
HBStateSearching = HB_STATE_SEARCHING ///< HB is searching
};
typedef void (^HBCoreProgressHandler)(HBState state, hb_state_t hb_state);
typedef void (^HBCoreCompletationHandler)(BOOL success);
/**
* HBCore is an Objective-C interface to the low-level HandBrake library.
* HBCore monitors state changes of libhb. It can also be used
* to implement properties that can be directly bound to elements of the gui.
*/
@interface HBCore : NSObject
/**
* Set the status of libdvdnav in low level HandBrake library.
* This should be called once before other functions HBCore are used.
*
* @param enabled whether libdvdnav is enabled or not.
*/
+ (void)setDVDNav:(BOOL)enabled;
/**
* Performs the final cleanup for the process.
*/
+ (void)closeGlobal;
/**
* Opens low level HandBrake library. This should be called once before other
* functions HBCore are used.
*
* @param loggingLevel the desired libhb logging level.
*
* @return YES if libhb was opened, NO if there was an error.
*/
- (instancetype)initWithLoggingLevel:(int)loggingLevel;
/**
* Current state of HBCore.
*/
@property (nonatomic, readonly) HBState state;
/**
* Pointer to a libhb handle used by this HBCore instance.
*/
@property (nonatomic, readonly) hb_handle_t *hb_handle;
/**
* The name of the core, used for debugging purpose.
*/
@property (nonatomic, copy) NSString *name;
/**
* Determines whether the scan operation can scan a particural URL or whether an additional decryption lib is needed.
*
* @param url the URL of the input file.
* @param error an error containing additional info.
*
* @return YES is the file at URL is scannable.
*/
- (BOOL)canScan:(NSURL *)url error:(NSError **)error;
/**
* Starts the asynchronous execution of a scan.
*
* @param url the URL of the input file.
* @param titleNum the number of the desired title. Use 0 to scan every title.
* @param previewsNum the number of previews image to generate.
* @param minTitleDuration the minimum duration of the wanted titles in seconds.
*/
- (void)scanURL:(NSURL *)url
titleIndex:(NSUInteger)titleNum
previews:(NSUInteger)previewsNum
minDuration:(NSUInteger)minTitleDuration
progressHandler:(HBCoreProgressHandler)progressHandler
completationHandler:(HBCoreCompletationHandler)completationHandler;
/**
* Cancels the scan execution.
*/
- (void)cancelScan;
/**
* An array of HBTitles found by the latest scan.
*/
@property (nonatomic, readonly) NSArray *titles;
/**
* Starts an asynchronous encoding session with the passed job.
*
* @param job the job to encode.
*/
- (void)encodeJob:(HBJob *)job progressHandler:(HBCoreProgressHandler)progressHandler completationHandler:(HBCoreCompletationHandler)completationHandler;
/**
* Stops encoding session and releases resources.
*/
- (void)cancelEncode;
/**
* Pauses the encoding session.
*/
- (void)pause;
/**
* Resumes a paused encoding session.
*/
- (void)resume;
@end
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