Directory structure of the audio HIDL related code.
audio
|-- 2.0 <== HIDL (.hal) can not be moved to fit the directory structure
| because that would create a separate HAL
|-- 4.0 <== Version 4.0 of the core API
|
|-- common <== code common to audio core and effect API
| |-- 2.0
| | |-- default <== code that wraps the legacy API
| | `-- vts <== vts of 2.0 core and effect API common code
| |-- 4.0
| | |-- default
| | `-- vts
| |-- ... <== The future versions should continue this structure
| | |-- default
| | `-- vts
| `-- all_versions <== code common to all version of both core and effect API
| |-- default
| `-- vts <== vts of core and effect API common version independent code
|
|-- core <== code relative to the core API
| |-- 2.0 <== 2.0 core API code (except .hal, see audio/2.0)
| | |-- default
| | `-- vts
| |-- 4.0
| | |-- default <== default implementation of the core 4.0 api
| | `-- vts <== vts code of the 4.0 API
| |-- ...
| | |-- default
| | `-- vts
| `-- all_versions
| |-- default
| `-- vts <== vts of core API common version independent code
|
`-- effect <== idem for the effect API
|-- 2.0
| |-- default
| `-- vts
|-- 4.0
| |-- default
| `-- vts
|-- ...
| |-- default
| `-- vts
`-- all_versions
|-- default
`-- vts
