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platform_hardware_interfaces/audio
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Mikhail Naganov f0202e289e audio: Add StreamWorker to aidl/common am: 614e4b5f16 am: 50970c04b9 am: 10ec4cde06 am: 734842e02a 
Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2197180

Change-Id: I6be01935b23339a9fc1190d0ca863fc140c15a8a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
2022-08-26 17:16:14 +00:00
..
2.0
4.0
5.0
6.0
7.0 audio: Fix parsing of arguments in the APM config update script am: b9e244dfc7 am: 188d6412b0 2021-06-11 22:06:36 +00:00
7.1 Make AUDIO_USAGE_NOTIFICATION_EVENT available to HALs 2022-02-12 00:03:49 +00:00
aidl audio: Add StreamWorker to aidl/common 2022-08-26 02:41:58 +00:00
common Merge "[Bluetooth apex] Use new apex name" am: 2412da0826 am: a326b313f7 2022-08-25 03:49:17 +00:00
core/all-versions audio VTS: Update CompressedOffloadOutputStream implementation 2022-07-19 19:59:02 +00:00
effect audio: Restrict the new VTS test for effects to T+ 2022-08-05 00:30:59 +00:00
policy/1.0 Update VtsHalAudioPolicyV1_0TargetTest to match XML changes 2022-05-19 16:48:47 +00:00
OWNERS audio: add OWNERS for the README.md 2022-07-29 19:44:11 +00:00
README.md audio: Update README.md to add info about the AIDL version 2022-08-25 16:34:25 +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.