I can create a professional whiteboard animation.3. seeking for highly capable C++ expert to extend existing functionality with advanced cool features such as: a. supporting latest WebRTC 87 library (with latest codec supports, improved video adaption features etc') b. ability to stream host mic/system audio/camera and capture and present remote A/V streams (alternative to our existing js based implementation) c. record single host entire screen + entire A/V streams locally to mp4 file or server mode (record entire room with all participants A/V/SS streams) while managing previous recordings (alternative to our existing js based implementation) d. adding fine-grained control (black/white list of windows & processes