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bluez5/backend-native: Add HFP/HSP hardware offload datapath configuration

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Add support for configuring the SCO hardware offload data path for
HFP/HSP profiles using the Bluetooth SIG-specified procedure. This
enables vendor-specific SCO offload integrations.

Changes:
- Add `bluez5.hw-offload-datapath` configuration property (default: 0)
- Implement `sco_offload_btcodec()` to set BT_CODEC socket option
- Add `SPA_BT_FEATURE_HW_OFFLOAD` quirk feature flag
- Apply offload configuration when creating SCO sockets if quirk enabled
- Document new property in pipewire-props.7.md

The datapath ID is configurable via device parameters and only applied
when the hardware offload feature flag is set in quirks, allowing
platform-specific SCO offload implementations.
This commit is contained in:
Mengshi Wu 2026-01-16 16:16:22 +08:00 • committed by Wim Taymans
parent 35817c0d85
commit db7c74a042
4 changed files with 64 additions and 1 deletions
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9
doc/dox/config/pipewire-props.7.md
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@ -1171,6 +1171,15 @@ in a platform-specific way. See `tests/examples/bt-pinephone.lua` in WirePlumber
Do not enable this setting if you don't know what all this means, as it won't work.
\endparblock
@PAR@ device-param bluez5.hw-offload-datapath # integer
\parblock
HFP/HSP hardware offload data path ID (default: 0).
This feature configures the SCO hardware‑offload data path for HFP/HSP using the Bluetooth
SIG–specified procedure. It is intended for advanced setups and vendor integrations. Do not
edit this unless required; incorrect values can disable SCO offload.
\endparblock
@PAR@ monitor-prop bluez5.a2dp.opus.pro.channels = 3 # integer
PipeWire Opus Pro audio profile channel count.