AEPTrack
@interface AEPTrack : NSObject轨道
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                  轨道ID DeclarationObjective-C @property (nonatomic, readonly) int trackId;
AliyunVideoSDKPro 3.35.0 Docs (86% documented)
@interface AEPTrack : NSObject轨道
轨道ID
Objective-C
@property (nonatomic, readonly) int trackId;