| /* |
| * 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, |
| // bis_channel_cnt_ |
| 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), |
| }), |
| }}, |
| // bits_per_sample |
| 16); |
| |
| static const BroadcastSubgroupCodecConfig lc3_stereo_16_2 = |
| BroadcastSubgroupCodecConfig( |
| kLeAudioCodecIdLc3, |
| {BroadcastSubgroupBisCodecConfig{ |
| // num_bis |
| 2, |
| // bis_channel_cnt_ |
| 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), |
| }), |
| }}, |
| // bits_per_sample |
| 16); |
| |
| static const BroadcastSubgroupCodecConfig lc3_stereo_24_2 = |
| BroadcastSubgroupCodecConfig( |
| kLeAudioCodecIdLc3, |
| {BroadcastSubgroupBisCodecConfig{ |
| // num_bis |
| 2, |
| // bis_channel_cnt_ |
| 1, |
| // 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), |
| }), |
| }}, |
| // bits_per_sample |
| 16); |
| |
| static const BroadcastSubgroupCodecConfig lc3_stereo_48_1 = |
| BroadcastSubgroupCodecConfig( |
| kLeAudioCodecIdLc3, |
| {BroadcastSubgroupBisCodecConfig{ |
| // num_bis |
| 2, |
| // bis_channel_cnt_ |
| 1, |
| // 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), |
| }), |
| }}, |
| // bits_per_sample |
| 16); |
| |
| static const BroadcastSubgroupCodecConfig lc3_stereo_48_2 = |
| BroadcastSubgroupCodecConfig( |
| kLeAudioCodecIdLc3, |
| {BroadcastSubgroupBisCodecConfig{ |
| // num_bis |
| 2, |
| // bis_channel_cnt_ |
| 1, |
| // 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), |
| }), |
| }}, |
| // bits_per_sample |
| 16); |
| |
| static const BroadcastSubgroupCodecConfig lc3_stereo_48_3 = |
| BroadcastSubgroupCodecConfig( |
| kLeAudioCodecIdLc3, |
| {BroadcastSubgroupBisCodecConfig{ |
| // num_bis |
| 2, |
| // bis_channel_cnt_ |
| 1, |
| // 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), |
| }), |
| }}, |
| // bits_per_sample |
| 16); |
| |
| static const BroadcastSubgroupCodecConfig lc3_stereo_48_4 = |
| BroadcastSubgroupCodecConfig( |
| kLeAudioCodecIdLc3, |
| {BroadcastSubgroupBisCodecConfig{ |
| // num_bis |
| 2, |
| // bis_channel_cnt_ |
| 1, |
| // 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), |
| }), |
| }}, |
| // 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 |
