PLVVodDownloadManager Class Reference

Inherits from NSObject
Declared in PLVVodDownloadManager.h

Overview

视频下载管理单例

  downloadDir

下载目录，默认为 Library/Caches/PolyvVodCache。修改下载目录后，上一个目录的离线视频将无法索引。

@property (nonatomic, copy) NSString *downloadDir

Declared In

PLVVodDownloadManager.h

  allowsCellularAccess

是否允许使用蜂窝移动网络进行下载，默认 YES

@property (nonatomic, assign) BOOL allowsCellularAccess

Declared In

PLVVodDownloadManager.h

  enableBackgroundDownload

是否启用后台下载，默认 YES

@property (nonatomic, assign) BOOL enableBackgroundDownload

Declared In

PLVVodDownloadManager.h

  autoStart

添加任务后是否自动启动，默认 NO

@property (nonatomic, assign) BOOL autoStart

Declared In

PLVVodDownloadManager.h

  backgroundCompletionHandler

保存的后台下载会话block

@property (nonatomic, copy) void ( ^ ) ( void ) backgroundCompletionHandler

Declared In

PLVVodDownloadManager.h

  completeBlock

完成所有下载回调

@property (nonatomic, copy) void ( ^ ) ( void ) completeBlock

Declared In

PLVVodDownloadManager.h

  downloadErrorHandler

下载错误回调

@property (nonatomic, copy) void ( ^ ) ( PLVVodVideo *video , NSError *error ) downloadErrorHandler

Declared In

PLVVodDownloadManager.h

+ sharedManager

PLVVodDownloadManager 共享的静态对象

+ (instancetype)sharedManager

Return Value

PLVVodDownloadManager 共享的静态对象

Declared In

PLVVodDownloadManager.h

– setDownloadDir:skipBackup:error:

设置下载目录

- (BOOL)setDownloadDir:(NSString *)downloadDir skipBackup:(BOOL)skipBackup error:(NSError **)error

Parameters

downloadDir

设置的下载目录
skipBackup

是否忽略 iCloud 的备份
error

错误回调

Return Value

是否成功

Declared In

PLVVodDownloadManager.h

– downloadVideo:quality:

添加至下载队列

- (PLVVodDownloadInfo *)downloadVideo:(PLVVodVideo *)video quality:(PLVVodQuality)quality

Parameters

video

PLVVodVideo 视频对象
quality

视频画质

Return Value

下载信息

Discussion

添加下载器，仅当 video 错误时，才会报错，quality 错误时，只会警告，并切换到最近的质量进行下载。

Declared In

PLVVodDownloadManager.h

– downloadVideo:

使用后台设置的默认画质添加至下载队列

- (PLVVodDownloadInfo *)downloadVideo:(PLVVodVideo *)video

Parameters

video

PLVVodVideo 视频对象

Return Value

下载信息

Declared In

PLVVodDownloadManager.h

– startDownload

开始队列下载

- (void)startDownload

Declared In

PLVVodDownloadManager.h

– stopDownload

停止队列下载

- (void)stopDownload

Declared In

PLVVodDownloadManager.h

– removeDownloadWithVid:error:

移除下载任务，并删除对应文件

- (void)removeDownloadWithVid:(NSString *)vid error:(NSError **)error

Parameters

vid

vid
error

错误回调

Declared In

PLVVodDownloadManager.h

– requestDownloadInfosWithCompletion:

获取所有下载任务信息

- (void)requestDownloadInfosWithCompletion:(void ( ^ ) ( NSArray<PLVVodDownloadInfo*> *downloadInfos ))completion

Parameters

completion

完成回调

Declared In

PLVVodDownloadManager.h

+ removeVideoWithVid:error:

删除指定视频

+ (void)removeVideoWithVid:(NSString *)vid error:(NSError **)error

Parameters

vid

vid
error

错误回调

Discussion

删除视频，会删除包含 vid 的所有离线资源（与下载任务无关）。

Declared In

PLVVodDownloadManager.h

+ removeAllVideoWithError:

删除下载目录下所有资源

+ (void)removeAllVideoWithError:(NSError **)error

Parameters

error

错误回调

Discussion

删除下载目录下所有离线资源（与下载任务无关）。

Declared In

PLVVodDownloadManager.h

– localVideos

获取已下载的本地视频

- (NSArray<PLVVodLocalVideo*> *)localVideos

Return Value

一组 PLVVodLocalVideo 对象

Declared In

PLVVodDownloadManager.h

+ videoExist:

判断指定视频是否存在本地

+ (PLVVodQuality)videoExist:(NSString *)vid

Parameters

vid

vid

Return Value

指定视频的画质

Discussion

指定 vid 视频是否已下载，返回指定 vid 的清晰度，返回 0 则不存在该视频。

Declared In

PLVVodDownloadManager.h