/* * 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 #include #include #include #include "internal_include/stack_config.h" #include "le_audio/broadcaster/broadcaster_types.h" #include "le_audio/le_audio_types.h" namespace bluetooth::le_audio { namespace broadcaster { /* Software codec configuration provider */ BroadcastConfiguration GetBroadcastConfig( const std::vector>& 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