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Playback rate parameters allow changing the playback speed of audio streams optionally preserving the pitch (this is often referred to as "timestretch"). HALs can apply these parameters when decoding of streams is done in hardware. Bug: 133526565 Test: atest VtsHalAudioV6_0TargetTest Change-Id: Ie78cd924bd034b57bf5b6a74affd62641ffc0aba
Directory structure of the audio HIDL related code.
Run `common/all-versions/copyHAL.sh` to create a new version of the audio HAL
based on an existing one.
audio
|-- 2.0 <== core 2.0 HIDL API. .hal can not be moved into the core directory
| because that would change its namespace and include path
|-- 4.0 <== Version 4.0 of the core API
|
|-- ...
|
|-- common <== code common to audio core and effect API
| |-- 2.0 <== HIDL API of V2
| |-- 4.0
| |-- ...
| `-- all-versions <== code common to all version of both core and effect API
| |-- default <== implementation shared code between core and effect impl
| |-- test <== utilities used by tests
| `-- util <== utilities used by both implementation and tests
|
|-- core <== VTS and default implementation of the core API (not HIDL, see /audio/2.0))
| `-- all-versions <== Code is version independent through #if and separate files
| |-- default <== code that wraps the legacy API
| `-- vts <== vts of core API
| |-- 2.0 <== 2.0 specific tests and helpers
| |-- 4.0
| |-- ...
|
`-- effect <== idem for the effect API
|-- 2.0
|-- 4.0
|-- ...
`-- all-versions
|-- default
`-- vts