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Visitor
Visitor
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Registered: ‎03-08-2018

bug commit for OSD v6.0 : INDEX of text string can not exceed 16, otherwise, it will turnaround as INDEX%16

    hi, all

 

      there is a bug existing  in OSD v6.0.

 

      when the index, `i_text`, of text (string) is larger than 16, say we have 32 texts (each text string is of up to 32 chars),

 

      then the OSD instance will index the string with  `i_text%16`,

 

      in fact, regardless of the maximal number of texts selected from the GUI of the OSD IP, the  above phenomenon

      always occurs the same way.

 

      hope u guys could verify this and provide the solution and make it public.

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Moderator
Moderator
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Registered: ‎10-04-2017

Re: bug commit for OSD v6.0 : INDEX of text string can not exceed 16, otherwise, it will turnaround as INDEX%16

Hi @phoenix-lee,

 

As the Video On-Screen Display (OSD) product page lists:

 

The VIPP package and its cores are in maintenance mode and not recommended for new designs. For all new designs, users are recommended to use Video Mixer.

 

From the forum post "VIPP cores are in maintenance mode" - what does it actually mean?

 

"This means that the VIPP cores will no more be updated or will there be no more fixes or support on these cores going ahead. Since the VPSS cores are a direct replacement of these VIPP cores with same functionality we recommend customers to use the latest VPSS cores. 

 

As a starter we do have some application notes with the VPSS core which you can evaluate and use it in your own design to understand - XAPP1291 - https://www.xilinx.com/support/documentation/application_notes/xapp1291-video-subsystem.pdf"

 

Regards,

Sam

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Xilinx Video Design Hub
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Moderator
Moderator
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Registered: ‎11-09-2015

Re: bug commit for OSD v6.0 : INDEX of text string can not exceed 16, otherwise, it will turnaround as INDEX%16

HI @phoenix-lee,

 

If everything is clear for you, please close the topic by marking a reply as accepted solution.

Thanks and Regards,


Florent
Product Application Engineer - Xilinx Technical Support EMEA
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