vnc report topics
TRANSCRIPT
8/6/2019 Vnc Report Topics
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VNC Server
on TV over
IP n/w
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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
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Top level System overview
• Pictorial representation of TV,internet, remote PC
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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
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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.
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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.
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VNC server investigations
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Overview of options
• Port forwarding
• Echo VNC
•
VNC over SSH• X11 VNC
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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
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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
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Echo VNC – Experiments
• Steps
• Results
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Echo VNC – Conclusion
• Results
• Why not a good option
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VNC over SSH
• Block diagram
• More about it
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VNC over SSH – Need foradditonal PC
• Steps followed…why
• Pictorial representation of SSHconnection
• Password entry related problem to beresolved
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VNC over SSH –Experiments PC
• Steps
• Results
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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
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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
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X11 VNC
• Block diagram
• More about it
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X11 VNC – Making it preparedfor TV target
• What all optimizations done andwhy?
• Still to be focused and tried out
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X11 VNC – Conclusion
• How much is s/w ready to be portedon TV target
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Conclusion &
Recommendations
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Summary of options
• Table for comparing options