TuSDKAudioInfo Class Reference Inherits from NSObject Declared in TuSDKAudioInfo.h Overview 音频信息 audioTrackInfoArray 音频轨道信息 @property (nonatomic, readonly) NSArray<TuSDKAudioTrackInfo*> *audioTrackInfoArray Availability 音频轨道信息3.0 Declared In TuSDKAudioInfo.h duration 持续时间 @property (nonatomic, readonly) CMTime duration Availability 3.0 Declared In TuSDKAudioInfo.h – loadAsynchronouslyForAssetInfo:completionHandler: 异步加载音频信息 - (void)loadAsynchronouslyForAssetInfo:(AVAsset *)asset completionHandler:(void ( ^ ) ( void ))handler Parameters asset AVAsset handler 完成后回调 Availability 3.0 Declared In TuSDKAudioInfo.h – loadSynchronouslyForAssetInfo: 同步加载音频信息 - (void)loadSynchronouslyForAssetInfo:(AVAsset *)asset Parameters asset AVAsset Availability 3.0 Declared In TuSDKAudioInfo.h