成员的完整列表，这些成员属于 NvsCustomVideoFxRenderContext,包括所有继承而来的类成员

effectEndTime	NvsCustomVideoFxRenderContext
effectStartTime	NvsCustomVideoFxRenderContext
effectTime	NvsCustomVideoFxRenderContext
hasBuddyVideoFrame	NvsCustomVideoFxRenderContext
inputBuddyVideoFrame	NvsCustomVideoFxRenderContext
inputBuddyVideoFrameColorMatrix	NvsCustomVideoFxRenderContext
inputBuddyVideoFrameColorPrimaries	NvsCustomVideoFxRenderContext
inputBuddyVideoFrameColorTransfer	NvsCustomVideoFxRenderContext
inputVideoFrame	NvsCustomVideoFxRenderContext
mediaStreamTime	NvsCustomVideoFxRenderContext
outputVideoFrame	NvsCustomVideoFxRenderContext