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Mikhail Naganov d338aebc38 Add AUDIO_FORMAT_MAT to the list of formats in XSD 
This format is known to the framework since Android Q, and its lack
from the XSD was an issue, which only got fixed in
Audio HAL V7.

Bug: 176536594
Test: atest VtsHalAudioV5_0Target
Change-Id: I32ccb926b5ad9202a5a6329d7069db37563ff45b
2021-01-22 23:12:36 +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 Add AUDIO_FORMAT_MAT to the list of formats in XSD 2021-01-22 23:12:36 +00:00
6.0 update hidl .bp 2020-07-07 16:22:36 +09:00
7.0 Audio: Add VTS tests for invalid enum-strings, Part 3 2021-01-12 15:34:45 -08:00
common Audio: Add VTS tests for invalid enum-strings, Part 1 2021-01-07 10:32:06 -08:00
core/all-versions Fix UninstantiatedParameterizedTestSuite errors in Audio HAL 2021-01-20 15:21:22 -08:00
effect Audio: Add VTS tests for invalid enum-strings, Part 2 2021-01-08 17:51:24 -08:00
policy/1.0 Remove vts10 reference vts_target_tests_defaults 2020-10-05 10:48:24 -07:00
README.md audio: Add example HAL implementation 2020-11-21 01:15:39 +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).
      • 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
      • vts
  • 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.