Support Alexa cast

[dpeddi]

Hello,

A possible enhancement could be the support of Alexa cast protocol.

It seems that Amazon provides some CPP classes and someone tried to bring them to work on rpi
alexa/avs-device-sdk#1967

Oh nice it seems esp already support avs
https://github.com/espressif/esp-va-sdk

[dpeddi]

I tried to play with esp-va-sdk.
With that sdk is possible to get some interaction with alexa. Is possible to cast something from aleaxa entarteinment tab. I can register my own product_id on amazon developer console but with both the default product id and with my own is not possible to interact with "amazon music".

I asked the support to whitelist the custom product_id and i got following answer:

Access to Amazon Music and Spotify is currently limited to managed commercial partners. If you are a managed partner, please contact your Partner Manager or Solutions Architect directly. Alternatively, you can contact below agencies based on your need:

• Assistance on product implementation, including access request to certain resources: Consulting and Professional Services (CPS)
• Assistance on product certification: Authorized Test Labs (ATL)