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bluez5: Implement support for ASHA

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ASHA is a Bluetooth specification for hearing aids.

For a high level overview of the ASHA Specification for BlueZ.
https://asymptotic.notion.site/ASHA-Spec-for-Bluez-61a46027fd46458d8235e14d6bedb2ce

The original specification in Android.
https://source.android.com/docs/core/connect/bluetooth/asha

Corresponding support in BlueZ.
https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/profiles/audio/asha.c

This only implements handling of one side of a ASHA device
pair. Stereo support/handling of both "left" & "right" side
will follow later requiring work on clock synchronization
between the pair.
This commit is contained in:
Sanchayan Maity 2024-12-12 11:47:29 +05:30 • committed by Wim Taymans
parent 41d099a580
commit 13c026417b
4 changed files with 213 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

18
spa/plugins/bluez5/defs.h
View file

@ -127,6 +127,7 @@ extern "C" {
#define SPA_BT_UUID_BAP_SOURCE "00002bcb-0000-1000-8000-00805f9b34fb"
#define SPA_BT_UUID_BAP_BROADCAST_SOURCE "00001852-0000-1000-8000-00805f9b34fb"
#define SPA_BT_UUID_BAP_BROADCAST_SINK "00001851-0000-1000-8000-00805f9b34fb"
#define SPA_BT_UUID_ASHA_SINK "0000FDF0-0000-1000-8000-00805f9b34fb"
#define PROFILE_HSP_AG "/Profile/HSPAG"
#define PROFILE_HSP_HS "/Profile/HSPHS"
@ -181,12 +182,13 @@ enum spa_bt_profile {
SPA_BT_PROFILE_BAP_SOURCE = (1 << 1),
SPA_BT_PROFILE_A2DP_SINK = (1 << 2),
SPA_BT_PROFILE_A2DP_SOURCE = (1 << 3),
SPA_BT_PROFILE_HSP_HS = (1 << 4),
SPA_BT_PROFILE_HSP_AG = (1 << 5),
SPA_BT_PROFILE_HFP_HF = (1 << 6),
SPA_BT_PROFILE_HFP_AG = (1 << 7),
SPA_BT_PROFILE_BAP_BROADCAST_SOURCE = (1 << 8),
SPA_BT_PROFILE_BAP_BROADCAST_SINK = (1 << 9),
SPA_BT_PROFILE_ASHA_SINK = (1 << 4),
SPA_BT_PROFILE_HSP_HS = (1 << 5),
SPA_BT_PROFILE_HSP_AG = (1 << 6),
SPA_BT_PROFILE_HFP_HF = (1 << 7),
SPA_BT_PROFILE_HFP_AG = (1 << 8),
SPA_BT_PROFILE_BAP_BROADCAST_SOURCE = (1 << 9),
SPA_BT_PROFILE_BAP_BROADCAST_SINK = (1 << 10),
SPA_BT_PROFILE_A2DP_DUPLEX = (SPA_BT_PROFILE_A2DP_SINK | SPA_BT_PROFILE_A2DP_SOURCE),
SPA_BT_PROFILE_BAP_DUPLEX = (SPA_BT_PROFILE_BAP_SINK | SPA_BT_PROFILE_BAP_SOURCE),
@ -226,6 +228,8 @@ static inline enum spa_bt_profile spa_bt_profile_from_uuid(const char *uuid)
return SPA_BT_PROFILE_BAP_BROADCAST_SOURCE;
else if (strcasecmp(uuid, SPA_BT_UUID_BAP_BROADCAST_SINK) == 0)
return SPA_BT_PROFILE_BAP_BROADCAST_SINK;
else if (strcasecmp(uuid, SPA_BT_UUID_ASHA_SINK) == 0)
return SPA_BT_PROFILE_ASHA_SINK;
else
return 0;
}
@ -316,6 +320,8 @@ enum spa_bt_hfp_sdp_hf_features {
static inline const char *spa_bt_profile_name (enum spa_bt_profile profile) {
switch (profile) {
case SPA_BT_PROFILE_ASHA_SINK:
return "asha-sink";
case SPA_BT_PROFILE_A2DP_SOURCE:
return "a2dp-source";
case SPA_BT_PROFILE_A2DP_SINK: