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Treehugger Robot 86a584b24c Merge changes I8ae16870,Ic0eb09df am: 6a1a60e220 am: c519d81ac3 am: dd3ffacc36 
Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1576536

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I314f7aa243441e793eca9f2a139e161b38c648ee
2021-02-08 10:05:17 +00:00
..
2.0 update hidl .bp 2020-07-07 16:22:36 +09:00
4.0 Make android.hardware.renderscript@1.0 buildable for native_bridge 2020-07-08 21:20:03 +00:00
5.0 audio: Allow using vendor extensions in surround formats (V5) 2021-02-04 16:04:56 -08:00
6.0 audio: Allow using vendor extensions in surround formats (V6) 2021-02-04 16:04:56 -08:00
7.0 audio: Update audioPolicyConfiguration version am: 8a52581b09 am: 2f111c17d5 am: 5c7f8e4d80 2021-02-05 23:31:25 +00:00
common Default Audio HAL service: add V7, remove V2 2021-02-05 02:01:56 +00:00
core/all-versions Merge changes from topic "fix-b-142480271-xml-deserializer" am: a3b2ea24c4 am: c57b216a49 am: 7afd309e00 2021-02-05 23:31:27 +00:00
effect audio: Create libraries for data types in core and effect 2021-02-03 01:28:38 +00:00
policy/1.0 Remove vts10 reference vts_target_tests_defaults 2020-10-05 10:48:24 -07:00
README.md audio: Create libraries for data types in core and effect 2021-02-03 01:28:38 +00:00

README.md

Audio HAL

Directory structure of the audio HAL related code.

Run common/all-versions/copyHAL.sh to create a new version of the audio HAL based on an existing one.

Directory Structure

  • 2.0 — version 2.0 of the core HIDL API. Note that .hal files can not be moved into the core directory because that would change its namespace and include path.
    • config — the XSD schema for the Audio Policy Manager configuration file.
  • 4.0 — version 4.0 of the core HIDL API.
  • ...
  • common — common types for audio core and effect HIDL API.
    • 2.0 — version 2.0 of the common types HIDL API.
    • 4.0 — version 4.0.
    • ...
    • 7.0 — version 7.0.
      • example — example implementation of the core and effect V7.0 API. It represents a "fake" audio HAL that doesn't actually communicate with hardware.
    • all-versions — code common to all version of both core and effect API.
      • default — shared code of the default implementation.
        • service — vendor HAL service for hosting the default implementation.
      • test — utilities used by tests.
      • util — utilities used by both implementation and tests.
  • core — VTS tests and the default implementation of the core API (not HIDL API, it's in audio/N.M).
    • 7.0 — code specific to version V7.0 of the core HIDL API
    • all-versions — the code is common between all versions, version-specific parts are enclosed into conditional directives of preprocessor or reside in dedicated files.
      • default — code that wraps the legacy API (from hardware/libhardware).
        • util — utilities for the default implementation.
      • vts VTS tests for the core HIDL API.
  • effect — same for the effect HIDL API.
    • 2.0
      • config — the XSD schema for the Audio Effects configuration file.
    • 4.0
    • ...
    • all-versions
      • default — code that wraps the legacy API (from hardware/libhardware).
        • util — utilities for the default implementation.
      • vts VTS tests for the effect HIDL API.
  • policy — Configurable Audio Policy schemes.
    • 1.0 — note that versions of CAP are not linked to the versions of audio HAL.
      • vts — VTS tests for validating actual configuration files.
      • xml — XSD schemas for CAP configuration files.