vnc report topics

8/6/2019 Vnc Report Topics

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VNC Server

on TV over

IP n/w



Overview



Top level requirements

• Over wan

• Key handling

•

Display time• S/w portable on TV

• Why TV requires it – consumer

care/service person should be able totake over TV



Top level System overview

• Pictorial representation of TV,internet, remote PC



TV system overview

• Pictorial representation of UI (onflash) over DirectFB with VNC systemmodule, VNC server

• Indicate the flow of display and keys

• Indicate which block is already there,needs to be modified, and needs tobe added/ported



DirectFB + VNC on TV

• PC based application testing

• Found a bug on VNC system module…u raisedit on forum,…provide the link, screen shot

• Current status -> for tv..latest version does notwork…need to be modified on s/w version used

on TV target…Philips waiting for such arelease.



Approach followed

• Division of work/investigations

• Always 2 step approach -1st prove onPC and then TV target

– If does not work on PC then drop thatoption.



VNC server investigations



Overview of options

• Port forwarding

• Echo VNC

•

VNC over SSH• X11 VNC



Port forwarding

• Explanation with block diagram

• Why this is not a good option

–

Needs additional PC, user need to knowabout router setting and modify it



Echo VNC

• Block diagram

• More about it

•

Why this is not a good option– Needs additional PC, user need to know

about router setting and modify it



Echo VNC – Experiments

• Steps

• Results



Echo VNC – Conclusion

• Results

• Why not a good option



VNC over SSH

• Block diagram

• More about it



VNC over SSH – Need foradditonal PC

• Steps followed…why

• Pictorial representation of SSHconnection

• Password entry related problem to beresolved



VNC over SSH –Experiments PC

• Steps

• Results



VNC over SSH – Experiments TV target

• Steps

– LAN

– WAN

• Program to run with different screens withkey handling

• Think of some time measurement usingtimer and screen changing different colour

and comparing it.

– LAN with multiple routers



VNC – Conclusion

• Results

• What more need to be taken care –possible issues

– Port getting blocked

• What possible solutions

– Applciations, scripting needs

automation, minimum user intervention



X11 VNC

• Block diagram

• More about it



X11 VNC – Making it preparedfor TV target

• What all optimizations done andwhy?

• Still to be focused and tried out



X11 VNC – Conclusion

• How much is s/w ready to be portedon TV target



Conclusion &

Recommendations



Summary of options

• Table for comparing options



How Philips can furtherproceed

• What all more need to be done

• Any new usecases

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