question: @ HLEUnimplemented @ HLEFunction ( nid = 0x41E73E95 , version = 271 ) public int sceUsbCamPollReadVideoFrameEnd ( ) { if ( jpegBuffer == null || jpegBuffer . isNull ( ) ) { return SceKernelErrors . ERROR_USBCAM_NO_READ_ON_VIDEO_FRAME ; } if ( currentVideoFrameCount <= lastVideoFrameCount ) { if ( log . isDebugEnabled ( ) ) { log . debug ( String . format ( "sceUsbCamPollReadVideoFrameEnd not frame end (%d - %d)" , currentVideoFrameCount , lastVideoFrameCount ) ) ; } return SceKernelErrors . ERROR_USBCAM_NO_VIDEO_FRAME_AVAILABLE ; } return writeCurrentVideoImage ( jpegBuffer , jpegBufferSize ) ; }
target:  Polls the status of video frame read completion.