return;  if( avifileinfo && curframe + 1 == avifileinfo->nb_frames )
void GUI_NextFrame(void){//    uint8_t *ptr;uint32_t flags;    if (playing)	return;    if (avifileinfo)      {        if( !video_body->getUncompressedFrame(curframe + 1,rdr_decomp_buffer,&flags))        	{            	GUI_Alert("Decompressing Error NF");           }           else           {		curframe++;               	if(mode_preview)          			editorUpdatePreview( curframe) ;								renderUpdateImage(rdr_decomp_buffer);     		 update_status_bar(flags);		UI_purge();	  	}     }}