Directory structure of the audio HAL related code.
common/all-versions/copyHAL.sh to create a new version of the audio HAL based on an existing one.
2.0-- version 2.0 of the core HIDL API. Note that
.halfiles can not be moved into the
coredirectory 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
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
vtsVTS tests for the core HIDL API.
effect-- same for the effect HIDL API.
config-- the XSD schema for the Audio Effects configuration file.
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.