Merge "LeAudio: Configuration provider dependency inversion - Part 1" into main (5413a91f) · Commits · e / os / android_packages_modules_Bluetooth

system/bta/Android.bp

+7 −0

Original line number	Diff line number	Diff line
		@@ -99,6 +99,7 @@ cc_library_static {
		"hh/bta_hh_utils.cc",
		"le_audio/audio_hal_client/audio_sink_hal_client.cc",
		"le_audio/audio_hal_client/audio_source_hal_client.cc",
		"le_audio/broadcaster/broadcast_configuration_provider.cc",
		"le_audio/broadcaster/broadcaster.cc",
		"le_audio/broadcaster/broadcaster_types.cc",
		"le_audio/broadcaster/state_machine.cc",
		@@ -775,6 +776,7 @@ cc_test {
		":TestMockBtaLeAudioHalVerifier",
		":TestMockLegacyHciInterface",
		":TestStubOsi",
		"le_audio/broadcaster/broadcast_configuration_provider.cc",
		"le_audio/codec_manager.cc",
		"le_audio/codec_manager_test.cc",
		"le_audio/le_audio_set_configuration_provider_json.cc",
		@@ -856,6 +858,8 @@ cc_test {
		"le_audio/audio_hal_client/audio_hal_client_test.cc",
		"le_audio/audio_hal_client/audio_sink_hal_client.cc",
		"le_audio/audio_hal_client/audio_source_hal_client.cc",
		"le_audio/broadcaster/broadcast_configuration_provider.cc",
		"le_audio/broadcaster/broadcaster_types.cc",
		"le_audio/client_parser.cc",
		"le_audio/client_parser_test.cc",
		"le_audio/content_control_id_keeper.cc",
		@@ -950,6 +954,8 @@ cc_test {
		":TestStubOsi",
		"gatt/database.cc",
		"gatt/database_builder.cc",
		"le_audio/broadcaster/broadcast_configuration_provider.cc",
		"le_audio/broadcaster/broadcaster_types.cc",
		"le_audio/client.cc",
		"le_audio/client_parser.cc",
		"le_audio/content_control_id_keeper.cc",
		@@ -1061,6 +1067,7 @@ cc_test {
		":TestCommonStackConfig",
		":TestMockMainShim",
		":TestMockStackBtmIso",
		"le_audio/broadcaster/broadcast_configuration_provider.cc",
		"le_audio/broadcaster/broadcaster_types.cc",
		"le_audio/broadcaster/state_machine.cc",
		"le_audio/broadcaster/state_machine_test.cc",

system/bta/BUILD.gn

+1 −0

Original line number	Diff line number	Diff line
		@@ -91,6 +91,7 @@ static_library("bta") {
		"jv/bta_jv_cfg.cc",
		"le_audio/audio_hal_client/audio_sink_hal_client.cc",
		"le_audio/audio_hal_client/audio_source_hal_client.cc",
		"le_audio/broadcaster/broadcast_configuration_provider.cc",
		"le_audio/broadcaster/broadcaster.cc",
		"le_audio/broadcaster/broadcaster_types.cc",
		"le_audio/broadcaster/state_machine.cc",

system/bta/le_audio/broadcaster/broadcast_configuration_provider.cc

0 → 100644

+67 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright 2024 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at:
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		#include "broadcast_configuration_provider.h"

		#include "internal_include/stack_config.h"

		namespace bluetooth::le_audio {
		namespace broadcaster {
		/* Software codec configuration provider */
		BroadcastConfiguration GetBroadcastConfig(
		const std::vector<std::pair<types::LeAudioContextType, uint8_t>>&
		subgroup_quality) {
		// Select the SW codec parameters based on the first subgroup audio context
		// Note that the HW offloader may support more quality subgroups.
		// TODO: Unify the quality selection logic with GetBroadcastOffloadConfig()
		auto context = types::AudioContexts(subgroup_quality.at(0).first);

		const std::string* options =
		stack_config_get_interface()->get_pts_broadcast_audio_config_options();
		if (options) {
		if (!options->compare("lc3_stereo_48_1_2")) return lc3_stereo_48_1_2;
		if (!options->compare("lc3_stereo_48_2_2")) return lc3_stereo_48_2_2;
		if (!options->compare("lc3_stereo_48_3_2")) return lc3_stereo_48_3_2;
		if (!options->compare("lc3_stereo_48_4_2")) return lc3_stereo_48_4_2;
		}

		// High quality, Low Latency
		if (context.test_any(types::LeAudioContextType::GAME \|
		types::LeAudioContextType::LIVE))
		return lc3_stereo_24_2_1;

		// Standard quality, Low Latency
		if (context.test(types::LeAudioContextType::INSTRUCTIONAL))
		return lc3_mono_16_2_1;

		// Standard quality, High Reliability
		if (context.test_any(types::LeAudioContextType::SOUNDEFFECTS \|
		types::LeAudioContextType::UNSPECIFIED))
		return lc3_stereo_16_2_2;

		if (context.test_any(types::LeAudioContextType::ALERTS \|
		types::LeAudioContextType::NOTIFICATIONS \|
		types::LeAudioContextType::EMERGENCYALARM))
		return lc3_mono_16_2_2;

		// High quality, High Reliability
		if (context.test(types::LeAudioContextType::MEDIA)) return lc3_stereo_24_2_2;

		// Defaults: Standard quality, High Reliability
		return lc3_mono_16_2_2;
		}
		} // namespace broadcaster
		} // namespace bluetooth::le_audio
		No newline at end of file

system/bta/le_audio/broadcaster/broadcast_configuration_provider.h

0 → 100644

+296 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright 2024 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at:
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/
		#pragma once

		#include "bta/le_audio/broadcaster/broadcaster_types.h"
		#include "bta/le_audio/le_audio_types.h"

		namespace bluetooth::le_audio {
		namespace broadcaster {

		constexpr types::LeAudioCodecId kLeAudioCodecIdLc3 = {
		.coding_format = types::kLeAudioCodingFormatLC3,
		.vendor_company_id = types::kLeAudioVendorCompanyIdUndefined,
		.vendor_codec_id = types::kLeAudioVendorCodecIdUndefined};

		// Quality subgroup configurations
		static const BroadcastSubgroupCodecConfig lc3_mono_16_2 =
		BroadcastSubgroupCodecConfig(
		kLeAudioCodecIdLc3,
		{BroadcastSubgroupBisCodecConfig{
		// num_bis
		1,
		// codec_specific
		types::LeAudioLtvMap({
		LTV_ENTRY_SAMPLING_FREQUENCY(
		codec_spec_conf::kLeAudioSamplingFreq16000Hz),
		LTV_ENTRY_FRAME_DURATION(
		codec_spec_conf::kLeAudioCodecFrameDur10000us),
		LTV_ENTRY_OCTETS_PER_CODEC_FRAME(40),
		}),
		// .channel_count_per_iso_stream = 1,
		}},
		// bits_per_sample
		16);

		static const BroadcastSubgroupCodecConfig lc3_stereo_16_2 =
		BroadcastSubgroupCodecConfig(
		kLeAudioCodecIdLc3,
		{BroadcastSubgroupBisCodecConfig{
		// num_bis
		2,
		// codec_specific
		types::LeAudioLtvMap({
		LTV_ENTRY_SAMPLING_FREQUENCY(
		codec_spec_conf::kLeAudioSamplingFreq16000Hz),
		LTV_ENTRY_FRAME_DURATION(
		codec_spec_conf::kLeAudioCodecFrameDur10000us),
		LTV_ENTRY_OCTETS_PER_CODEC_FRAME(40),
		}),
		// .channel_count_per_iso_stream = 1,
		}},
		// bits_per_sample
		16);

		static const BroadcastSubgroupCodecConfig lc3_stereo_24_2 =
		BroadcastSubgroupCodecConfig(
		kLeAudioCodecIdLc3,
		{BroadcastSubgroupBisCodecConfig{
		// num_bis
		2,
		// codec_specific
		types::LeAudioLtvMap({
		LTV_ENTRY_SAMPLING_FREQUENCY(
		codec_spec_conf::kLeAudioSamplingFreq24000Hz),
		LTV_ENTRY_FRAME_DURATION(
		codec_spec_conf::kLeAudioCodecFrameDur10000us),
		LTV_ENTRY_OCTETS_PER_CODEC_FRAME(60),
		}),
		// .channel_count_per_iso_stream = 1,
		}},
		// bits_per_sample
		16);

		static const BroadcastSubgroupCodecConfig lc3_stereo_48_1 =
		BroadcastSubgroupCodecConfig(
		kLeAudioCodecIdLc3,
		{BroadcastSubgroupBisCodecConfig{
		// num_bis
		2,
		// codec_specific
		types::LeAudioLtvMap({
		LTV_ENTRY_SAMPLING_FREQUENCY(
		codec_spec_conf::kLeAudioSamplingFreq48000Hz),
		LTV_ENTRY_FRAME_DURATION(
		codec_spec_conf::kLeAudioCodecFrameDur7500us),
		LTV_ENTRY_OCTETS_PER_CODEC_FRAME(75),
		}),
		// .channel_count_per_iso_stream = 1,
		}},
		// bits_per_sample
		16);

		static const BroadcastSubgroupCodecConfig lc3_stereo_48_2 =
		BroadcastSubgroupCodecConfig(
		kLeAudioCodecIdLc3,
		{BroadcastSubgroupBisCodecConfig{
		// num_bis
		2,
		// codec_specific
		types::LeAudioLtvMap({
		LTV_ENTRY_SAMPLING_FREQUENCY(
		codec_spec_conf::kLeAudioSamplingFreq48000Hz),
		LTV_ENTRY_FRAME_DURATION(
		codec_spec_conf::kLeAudioCodecFrameDur10000us),
		LTV_ENTRY_OCTETS_PER_CODEC_FRAME(100),
		}),
		// .channel_count_per_iso_stream = 1,
		}},
		// bits_per_sample
		16);

		static const BroadcastSubgroupCodecConfig lc3_stereo_48_3 =
		BroadcastSubgroupCodecConfig(
		kLeAudioCodecIdLc3,
		{BroadcastSubgroupBisCodecConfig{
		// num_bis
		2,
		// codec_specific
		types::LeAudioLtvMap({
		LTV_ENTRY_SAMPLING_FREQUENCY(
		codec_spec_conf::kLeAudioSamplingFreq48000Hz),
		LTV_ENTRY_FRAME_DURATION(
		codec_spec_conf::kLeAudioCodecFrameDur7500us),
		LTV_ENTRY_OCTETS_PER_CODEC_FRAME(90),
		}),
		// .channel_count_per_iso_stream = 1,
		}},
		// bits_per_sample
		16);

		static const BroadcastSubgroupCodecConfig lc3_stereo_48_4 =
		BroadcastSubgroupCodecConfig(
		kLeAudioCodecIdLc3,
		{BroadcastSubgroupBisCodecConfig{
		// num_bis
		2,
		// codec_specific
		types::LeAudioLtvMap({
		LTV_ENTRY_SAMPLING_FREQUENCY(
		codec_spec_conf::kLeAudioSamplingFreq48000Hz),
		LTV_ENTRY_FRAME_DURATION(
		codec_spec_conf::kLeAudioCodecFrameDur10000us),
		LTV_ENTRY_OCTETS_PER_CODEC_FRAME(120),
		}),
		// .channel_count_per_iso_stream = 1,
		}},
		// bits_per_sample
		16);

		static const types::DataPathConfiguration lc3_data_path = {
		.dataPathId = bluetooth::hci::iso_manager::kIsoDataPathHci,
		.dataPathConfig = {},
		.isoDataPathConfig =
		{
		.codecId = kLeAudioCodecIdLc3,
		.isTransparent = true,
		.controllerDelayUs = 0x00000000, // irrlevant for transparent mode
		.configuration = {},
		},
		};

		static const BroadcastQosConfig qos_config_2_10 = BroadcastQosConfig(2, 10);
		static const BroadcastQosConfig qos_config_4_45 = BroadcastQosConfig(4, 45);
		static const BroadcastQosConfig qos_config_4_50 = BroadcastQosConfig(4, 50);
		static const BroadcastQosConfig qos_config_4_60 = BroadcastQosConfig(4, 60);
		static const BroadcastQosConfig qos_config_4_65 = BroadcastQosConfig(4, 65);

		// Standard single subgroup configurations
		static const BroadcastConfiguration lc3_mono_16_2_1 = {
		// subgroup list, qos configuration, data path configuration
		.subgroups = {lc3_mono_16_2},
		.qos = qos_config_2_10,
		.data_path = lc3_data_path,
		.sduIntervalUs = 10000,
		.maxSduOctets = 40,
		.phy = 0x02, // PHY_LE_2M
		.packing = 0, // Sequential
		.framing = 0, // Unframed
		};

		static const BroadcastConfiguration lc3_mono_16_2_2 = {
		// subgroup list, qos configuration, data path configuration
		.subgroups = {lc3_mono_16_2},
		.qos = qos_config_4_60,
		.data_path = lc3_data_path,
		.sduIntervalUs = 10000,
		.maxSduOctets = 40,
		.phy = 0x02, // PHY_LE_2M
		.packing = 0, // Sequential
		.framing = 0, // Unframed
		};

		static const BroadcastConfiguration lc3_stereo_16_2_2 = {
		// subgroup list, qos configuration, data path configuration
		.subgroups = {lc3_stereo_16_2},
		.qos = qos_config_4_60,
		.data_path = lc3_data_path,
		.sduIntervalUs = 10000,
		.maxSduOctets = 80,
		.phy = 0x02, // PHY_LE_2M
		.packing = 0, // Sequential
		.framing = 0, // Unframed
		};

		static const BroadcastConfiguration lc3_stereo_24_2_1 = {
		// subgroup list, qos configuration, data path configuration
		.subgroups = {lc3_stereo_24_2},
		.qos = qos_config_2_10,
		.data_path = lc3_data_path,
		.sduIntervalUs = 10000,
		.maxSduOctets = 120,
		.phy = 0x02, // PHY_LE_2M
		.packing = 0, // Sequential
		.framing = 0, // Unframed
		};

		static const BroadcastConfiguration lc3_stereo_24_2_2 = {
		// subgroup list, qos configuration, data path configuration
		.subgroups = {lc3_stereo_24_2},
		.qos = qos_config_4_60,
		.data_path = lc3_data_path,
		.sduIntervalUs = 10000,
		.maxSduOctets = 120,
		.phy = 0x02, // PHY_LE_2M
		.packing = 0, // Sequential
		.framing = 0, // Unframed
		};

		static const BroadcastConfiguration lc3_stereo_48_1_2 = {
		// subgroup list, qos configuration, data path configuration
		.subgroups = {lc3_stereo_48_1},
		.qos = qos_config_4_50,
		.data_path = lc3_data_path,
		.sduIntervalUs = 10000,
		.maxSduOctets = 150,
		.phy = 0x02, // PHY_LE_2M
		.packing = 0, // Sequential
		.framing = 0 // Unframed,
		};

		static const BroadcastConfiguration lc3_stereo_48_2_2 = {
		// subgroup list, qos configuration, data path configuration
		.subgroups = {lc3_stereo_48_2},
		.qos = qos_config_4_65,
		.data_path = lc3_data_path,
		.sduIntervalUs = 10000,
		.maxSduOctets = 200,
		.phy = 0x02, // PHY_LE_2M
		.packing = 0, // Sequential
		.framing = 0 // Unframed,
		};

		static const BroadcastConfiguration lc3_stereo_48_3_2 = {
		// subgroup list, qos configuration, data path configuration
		.subgroups = {lc3_stereo_48_3},
		.qos = qos_config_4_50,
		.data_path = lc3_data_path,
		.sduIntervalUs = 10000,
		.maxSduOctets = 180,
		.phy = 0x02, // PHY_LE_2M
		.packing = 0, // Sequential
		.framing = 0 // Unframed,
		};

		static const BroadcastConfiguration lc3_stereo_48_4_2 = {
		// subgroup list, qos configuration, data path configuration
		.subgroups = {lc3_stereo_48_4},
		.qos = qos_config_4_65,
		.data_path = lc3_data_path,
		.sduIntervalUs = 10000,
		.maxSduOctets = 240,
		.phy = 0x02, // PHY_LE_2M
		.packing = 0, // Sequential
		.framing = 0 // Unframed,
		};

		// Takes a list of subgroup requirements (audio context, quality index)
		BroadcastConfiguration GetBroadcastConfig(
		const std::vector<std::pair<types::LeAudioContextType, uint8_t>>&
		subgroup_quality);

		} // namespace broadcaster
		} // namespace bluetooth::le_audio