这里列出了所有类成员，并附带类的详细说明:

- u -

• underline : NvsCaptionUnderlineSpan
• uninstallAssetPackage:type: : NvsAssetPackageManager
• UnregisterFontByFilePath: : NvsEffectSdkContext
• updateAudioForClipVideoFx : NvsVideoClip
• updateAudioForTrackVideoFx : NvsVideoTrack
• upgradeAssetPackage:license:type:sync:assetPackageId: : NvsAssetPackageManager
• uploadHostBufferToOpenGLTexture:textureId: : NvsCustomVideoFxRenderHelper , NvsCustomVideoTransitionRenderHelper
• uploadPixelBufferToTexture:displayRotation:horizontalFlip:outputTexId: : NvsEffectRenderCore
• uploadPixelBufferToTexture:horizontalFlip:outputTexId: : NvsEffectRenderCore
• userName : NvsAITag