AEPBaseVideoTrack @interface AEPBaseVideoTrack : AEPTrack 视频轨道 duration 视频持续时间 Declaration Objective-C @property (nonatomic, readonly) NSTimeInterval duration; © 2023 Aliyun. All rights reserved. (Last updated: 2023-01-11) Generated by jazzy ♪♫ v0.13.6, a Realm project.