TDA2PXEVM: Alpha Blending

Shantanu Joshi

Expert 1320 points

Part Number: TDA2PXEVM

Hello All,

I am currently working on TDA2PXEVM board and I wanted to use Alpha Blending. My input dataformat is YUV420SP.

Please note that my usecase is running from HLOS.

Inputs, Suggestions would be of great help.

Thank You.

Regards

Shantanu Joshi

0 Brijesh Jadav over 5 years ago

Hi Shantanu,

Yes, please refer to chains_common.c file. We are enabling alpha blending in this file..

Rgds,

Brijesh

0 Shantanu Joshi over 5 years ago in reply to Brijesh Jadav

Expert 1320 points

Hello Brijesh

Thank you for the response. I will look into the file and post it again if something specific query comes up while using alpha blending.

Regards,

Shantanu

0 Shantanu Joshi over 5 years ago in reply to Shantanu Joshi

Expert 1320 points

Hello Brijesh

Does vision sdk supports alpha level blending for YUV420SP input

Regards

Shantanu

0 Brijesh Jadav over 5 years ago in reply to Shantanu Joshi

Shantanu,

Yes, alpha blending is actually done in RGB format, so YUV420 will get converted to RGB in display pipeline.

Rgds,

Brijesh

0 Shantanu Joshi over 5 years ago in reply to Brijesh Jadav

Expert 1320 points

Hello Brijesh,

Thank you for your response.

Regards

Shantanu

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