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Commit 39bdb982 authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Automerger Merge Worker
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Merge "Add basic documentation about cec key handling" into rvc-dev am: ee1e37df

Change-Id: Ia30d6b04e402d673c0fa5297a60225fad4c75103
parents bbf4db7c ee1e37df
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# Package com.android.server.hdmi

HDMI service for Android with focus on CEC

## Links

*   [CEC Key Handling](cec_key_handling.md)
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# CEC Key Handling

The mapping of CEC key codes to Android key codes are at
[HdmiCecKeycode](HdmiCecKeycode.java)

# Android TV

Android TV requires special handling of some keys.

The general action for key handling is described in the table

| Android Key | TV Panel                             | OTT                                  | Soundbar                          |
| ----------- | -----------------                    | -------------------                  | -------------------               |
| general     | Send to active source                | handle on device                     | handle on device                  |
| POWER       | Toggle the device power state        | Toggle the TV power state            | Toggle the TV power state         |
| TV_POWER    | Toggle the device power state        | Toggle the TV power state            | Toggle the TV power state         |
| HOME        | Turn on TV, Set active Source to TV, go to home screen | OTP, and go to home screen | OTP, and go to home screen |
| volume keys | Handle on device or send to soundbar | Send to TV or soundbar               | Handle on device or send to TV    |

Special cases and flags for each key are described below

## POWER

### TV Panel

TODO

### OTT

TODO

### Soundbar

TODO