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#Lines |
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| .. | | - | - |
| 2.0/ | | 22-Nov-2023 | - | 1,866 | 1,687 |
| 4.0/ | | 22-Nov-2023 | - | 2,653 | 2,423 |
| 5.0/ | | 22-Nov-2023 | - | 2,734 | 2,504 |
| 6.0/ | | 22-Nov-2023 | - | 3,174 | 2,924 |
| 7.0/ | | 22-Nov-2023 | - | 3,719 | 3,419 |
| common/ | | 22-Nov-2023 | - | 11,211 | 9,546 |
| core/all-versions/ | | 22-Nov-2023 | - | 13,122 | 10,426 |
| effect/ | | 22-Nov-2023 | - | 18,108 | 15,114 |
| policy/1.0/ | | 22-Nov-2023 | - | 3,188 | 2,754 |
| README.md | D | 22-Nov-2023 | 2.4 KiB | 56 | 51 |
README.md
1# Audio HAL
2
3Directory structure of the audio HAL related code.
4
5Run `common/all-versions/copyHAL.sh` to create a new version of the audio HAL
6based on an existing one.
7
8## Directory Structure
9
10* `2.0` — version 2.0 of the core HIDL API. Note that `.hal` files
11 can not be moved into the `core` directory because that would change
12 its namespace and include path.
13 - `config` — the XSD schema for the Audio Policy Manager
14 configuration file.
15* `4.0` — version 4.0 of the core HIDL API.
16* ...
17* `common` — common types for audio core and effect HIDL API.
18 - `2.0` — version 2.0 of the common types HIDL API.
19 - `4.0` — version 4.0.
20 - ...
21 - `7.0` — version 7.0.
22 - `example` — example implementation of the core and effect
23 V7.0 API. It represents a "fake" audio HAL that doesn't
24 actually communicate with hardware.
25 - `all-versions` — code common to all version of both core and effect API.
26 - `default` — shared code of the default implementation.
27 - `service` — vendor HAL service for hosting the default
28 implementation.
29 - `test` — utilities used by tests.
30 - `util` — utilities used by both implementation and tests.
31* `core` — VTS tests and the default implementation of the core API
32 (not HIDL API, it's in `audio/N.M`).
33 - `7.0` — code specific to version V7.0 of the core HIDL API
34 - `all-versions` — the code is common between all versions,
35 version-specific parts are enclosed into conditional directives
36 of preprocessor or reside in dedicated files.
37 - `default` — code that wraps the legacy API (from
38 `hardware/libhardware`).
39 - `util` — utilities for the default implementation.
40 - `vts` VTS tests for the core HIDL API.
41* `effect` — same for the effect HIDL API.
42 - `2.0`
43 - `config` — the XSD schema for the Audio Effects configuration file.
44 - `4.0`
45 - ...
46 - `all-versions`
47 - `default` — code that wraps the legacy API (from
48 `hardware/libhardware`).
49 - `util` — utilities for the default implementation.
50 - `vts` VTS tests for the effect HIDL API.
51* `policy` — Configurable Audio Policy schemes.
52 - `1.0` — note that versions of CAP are not linked to the versions
53 of audio HAL.
54 - `vts` — VTS tests for validating actual configuration files.
55 - `xml` — XSD schemas for CAP configuration files.
56