import { TTVideoEngine, TTVideoEngineDownloader, TTVideoEngineDownloadTask } from './api';
import { TTVideoEngineResolutionType, TTVideoEnginePlaybackState, TTVideoEngineLoadState, TTVideoEngineModel, TTVideoEngineStreamType, TTVideoEngineDownloadState, TTVideoEngineSubInfo, TTVideoEngineSubDecInfoModel, TTVideoEngineMediaSource } from './keytype';
import { NSError, NSDictionary, NSString, id, CGFloat, NSInteger, int64_t, double, NSUInteger, BOOL } from './types';
export declare class TTVideoEngineABRDelegate {
    
    videoEngineAbrSelectResolution$resolution?(videoEngine: TTVideoEngine, resolution: TTVideoEngineResolutionType): void;
    
    videoEngineAbrSelectResolution$resolution$error?(videoEngine: TTVideoEngine, resolution: TTVideoEngineResolutionType, error: NSError): void;
    
    videoEngineAbrWillSelectResolution$resolution?(videoEngine: TTVideoEngine, resolution: TTVideoEngineResolutionType): void;
    
    videoEngineAbrEndSelectResolution$resolution?(videoEngine: TTVideoEngine, resolution: TTVideoEngineResolutionType): void;
    
    videoEngineAbrEndSelectResolution$resolution$error?(videoEngine: TTVideoEngine, resolution: TTVideoEngineResolutionType, error: NSError): void;
}
export declare class TTVideoEngineAutoSelectDelegate {
    
    videoEngineAutoSelectResolution$resolution?(videoEngine: TTVideoEngine, resolution: TTVideoEngineResolutionType): void;
}
export declare class TTVideoEngineDelegate {
    
    videoEngine$playbackStateDidChanged?(videoEngine: TTVideoEngine, playbackState: TTVideoEnginePlaybackState): void;
    
    videoEngine$loadStateDidChanged?(videoEngine: TTVideoEngine, loadState: TTVideoEngineLoadState): void;
    
    videoEngine$loadStateDidChanged$extra?(videoEngine: TTVideoEngine, loadState: TTVideoEngineLoadState, extraInfo: NSDictionary<NSString, id>): void;
    
    videoEngine$loadingProgress?(videoEngine: TTVideoEngine, progress: CGFloat): void;
    
    videoEngine$fetchedVideoModel?(videoEngine: TTVideoEngine, videoModel: TTVideoEngineModel): void;
    
    videoEngineReadyToDisPlay?(videoEngine: TTVideoEngine): void;
    
    videoEnginePrepared?(videoEngine: TTVideoEngine): void;
    
    videoEngineReadyToPlay?(videoEngine: TTVideoEngine): void;
    
    videoEngineAudioRendered?(videoEngine: TTVideoEngine): void;
    
    videoEngine$retryForError?(videoEngine: TTVideoEngine, error: NSError): void;
    
    videoEngine$fallbackUrlChanged$cacheKey$index?(videoEngine: TTVideoEngine, url: NSString, cacheKey: NSString, index: NSInteger): void;
    
    videoEngineStalledExcludeSeek?(videoEngine: TTVideoEngine): void;
    
    videoEngine$mdlKey$hitCacheSze?(videoEngine: TTVideoEngine, key: NSString, cacheSize: NSInteger): void;
    
    videoEngine$subtitleKey$subtitleHitCacheSize?(videoEngine: TTVideoEngine, key: NSString, cacheSize: NSInteger): void;
    
    videoEngineDeviceOpened$streamType?(videoEngine: TTVideoEngine, streamType: TTVideoEngineStreamType): void;
    
    videoEngineBeforeViewRemove?(videoEngine: TTVideoEngine): void;
    
    videoEngineUserStopped?(videoEngine: TTVideoEngine): void;
    
    videoEngineDidFinish$error?(videoEngine: TTVideoEngine, error: NSError): void;
    
    videoEngineDidFinish$videoStatusException?(videoEngine: TTVideoEngine, status: NSInteger): void;
    
    videoEngineCloseAysncFinish?(videoEngine: TTVideoEngine): void;
}
export declare class TTVideoEngineDownloaderDelegate {
    
    VideoEngineDownloader$downloadTask$didCompleteWithError?(downloader: TTVideoEngineDownloader, downloadTask: TTVideoEngineDownloadTask, error: NSError): void;
    
    VideoEngineDownloader$downloadTask$writeData$timeInterval?(downloader: TTVideoEngineDownloader, downloadTask: TTVideoEngineDownloadTask, bytesWritten: int64_t, timeMS: double): void;
    
    VideoEngineDownloader$downloadTask$didResumeAtOffset$expectedTotalBytes?(downloader: TTVideoEngineDownloader, downloadTask: TTVideoEngineDownloadTask, fileOffset: int64_t, expectedTotalBytes: int64_t): void;
    
    VideoEngineDownloader$downloadTask$stateChanged?(downloader: TTVideoEngineDownloader, downloadTask: TTVideoEngineDownloadTask, downloadState: TTVideoEngineDownloadState): void;
}
export declare class TTVideoEngineSubtitleDelegate {
    
    videoEngine$onSubtitleInfoCallBack$pts?(videoEngine: TTVideoEngine, content: NSString, pts: NSUInteger): void;
    
    videoEngine$onSubtitleInfoCallBack?(videoEngine: TTVideoEngine, subInfo: TTVideoEngineSubInfo): void;
    
    videoEngine$onSubtitleInfoRequested$error?(videoEngine: TTVideoEngine, info: id, error: NSError): void;
    
    videoEngine$onSubtitleInfoRequestFinish$error?(videoEngine: TTVideoEngine, subtitleInfoModel: TTVideoEngineSubDecInfoModel, error: NSError): void;
    
    videoEngine$onSubSwitchCompleted$currentSubtitleId?(videoEngine: TTVideoEngine, success: BOOL, currentSubtitleId: NSInteger): void;
}
export declare class TTVideoEngineExternDNSParserDelegate {
    
    setUrl?(urlString: NSString): void;
}
export declare class TTVideoEnginePreRenderDelegate {
    
    videoEngine$willPreRenderSource?(videoEngine: TTVideoEngine, source: id<TTVideoEngineMediaSource>): void;
    
    videoEngineWillPrepare?(videoEngine: TTVideoEngine): void;
}
export declare class TTVideoEngineResolutionDelegate {
    
    videoBitrateDidChange$resolution$bitrate?(videoEngine: TTVideoEngine, resolution: TTVideoEngineResolutionType, bitrate: NSInteger): void;
    
    videoSizeDidChange$videoWidth$videoHeight?(videoEngine: TTVideoEngine, videoWidth: NSInteger, videoHeight: NSInteger): void;
}