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Commit d6d63d25 authored by Treehugger Robot's avatar Treehugger Robot Committed by Automerger Merge Worker
Browse files

Merge changes from topic "offload_capability_selected" am: a6820255 

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/1940865

Change-Id: I46862a75b710c947e95f9c687fbcd9020d9dd8f0
parents 3b4159f5 a6820255

system/audio_hal_interface/aidl/le_audio_software.cc

+3 −2
Original line number Diff line number Diff line
@@ -385,6 +385,7 @@ bool hal_ucast_capability_to_stack_format( 
  auto sample_rate_hz = hal_lc3_capability.samplingFrequencyHz[0];

  auto frame_duration_us = hal_lc3_capability.frameDurationUs[0];

  auto octets_per_frame = hal_lc3_capability.octetsPerFrame[0];

  auto channel_count = hal_capability.channelCountPerDevice;



  if (sampling_freq_map.find(sample_rate_hz) == sampling_freq_map.end() ||

      frame_duration_map.find(frame_duration_us) == frame_duration_map.end() ||
@@ -406,8 +407,8 @@ bool hal_ucast_capability_to_stack_format( 
          {.sampling_frequency = sampling_freq_map[sample_rate_hz],

           .frame_duration = frame_duration_map[frame_duration_us],

           .octets_per_codec_frame = octets_per_frame_map[octets_per_frame],

           .audio_channel_allocation = audio_location_map[supportedChannel]})};



           .audio_channel_allocation = audio_location_map[supportedChannel],

           .channel_count = static_cast<uint8_t>(channel_count)})};

  return true;

}

system/bta/Android.bp

+2 −0
Original line number Diff line number Diff line
@@ -580,6 +580,7 @@ cc_test { 
        "le_audio/broadcaster/state_machine_test.cc",

        "le_audio/le_audio_types.cc",

        "le_audio/mock_iso_manager.cc",

        "le_audio/mock_codec_manager.cc",

    ],

    shared_libs: [

        "libprotobuf-cpp-lite",
@@ -631,6 +632,7 @@ cc_test { 
        "le_audio/mock_iso_manager.cc",

        "le_audio/mock_le_audio_client_audio.cc",

        "test/common/mock_controller.cc",

        "le_audio/mock_codec_manager.cc",

    ],

    shared_libs: [

        "libprotobuf-cpp-lite",

system/bta/include/bta_le_audio_api.h

+5 −3
Original line number Diff line number Diff line
@@ -35,9 +35,11 @@ class LeAudioClient { 
 public:

  virtual ~LeAudioClient(void) = default;



  static void Initialize(bluetooth::le_audio::LeAudioClientCallbacks* callbacks,

                         base::Closure initCb,

                         base::Callback<bool()> hal_2_1_verifier);

  static void Initialize(

      bluetooth::le_audio::LeAudioClientCallbacks* callbacks,

      base::Closure initCb, base::Callback<bool()> hal_2_1_verifier,

      const std::vector<bluetooth::le_audio::btle_audio_codec_config_t>&

          offloading_preference);

  static void Cleanup(void);

  static LeAudioClient* Get(void);

  static void DebugDump(int fd);

system/bta/le_audio/client.cc

+4 −2
Original line number Diff line number Diff line
@@ -3308,7 +3308,9 @@ LeAudioClient* LeAudioClient::Get() { 
/* Initializer of main le audio implementation class and its instance */

void LeAudioClient::Initialize(

    bluetooth::le_audio::LeAudioClientCallbacks* callbacks_,

    base::Closure initCb, base::Callback<bool()> hal_2_1_verifier) {

    base::Closure initCb, base::Callback<bool()> hal_2_1_verifier,

    const std::vector<bluetooth::le_audio::btle_audio_codec_config_t>&

        offloading_preference) {

  if (instance) {

    LOG(ERROR) << "Already initialized";

    return;
@@ -3342,7 +3344,7 @@ void LeAudioClient::Initialize( 
  instance = new LeAudioClientImpl(callbacks_, stateMachineCallbacks, initCb);



  IsoManager::GetInstance()->RegisterCigCallbacks(stateMachineHciCallbacks);

  CodecManager::GetInstance()->Start();

  CodecManager::GetInstance()->Start(offloading_preference, capabilities);

}



void LeAudioClient::DebugDump(int fd) {

system/bta/le_audio/codec_manager.cc

+163 −5
Original line number Diff line number Diff line
@@ -29,13 +29,22 @@ using bluetooth::hci::iso_manager::kIsoDataPathHci; 
using bluetooth::hci::iso_manager::kIsoDataPathPlatformDefault;

using le_audio::CodecManager;

using le_audio::types::CodecLocation;



using bluetooth::le_audio::btle_audio_codec_config_t;

using bluetooth::le_audio::btle_audio_codec_index_t;

using le_audio::set_configurations::AudioSetConfiguration;

using le_audio::set_configurations::AudioSetConfigurations;

using le_audio::set_configurations::SetConfiguration;



}  // namespace



namespace le_audio {



struct codec_manager_impl {

 public:

  codec_manager_impl() {

  codec_manager_impl(

      const std::vector<btle_audio_codec_config_t>& offloading_preference,

      const std::vector<AudioSetConfiguration>& adsp_capabilities) {

    offload_enable_ = osi_property_get_bool(

                          "ro.bluetooth.leaudio_offload.supported", false) &&

                      osi_property_get_bool(
@@ -60,6 +69,7 @@ struct codec_manager_impl { 
                            kIsoDataPathPlatformDefault, {});

    btm_configure_data_path(btm_data_direction::CONTROLLER_TO_HOST,

                            kIsoDataPathPlatformDefault, {});

    UpdateOffloadCapability(offloading_preference, adsp_capabilities);

    SetCodecLocation(CodecLocation::ADSP);

  }

  ~codec_manager_impl() {
@@ -108,23 +118,158 @@ struct codec_manager_impl { 
    LeAudioClientAudioSink::UpdateAudioConfigToHal(source_config);

  }



  const AudioSetConfigurations* GetOffloadCodecConfig(

      types::LeAudioContextType ctx_type) {

    return &context_type_offload_config_map_[ctx_type];

  }



 private:

  void SetCodecLocation(CodecLocation location) {

    if (offload_enable_ == false) return;

    codec_location_ = location;

  }



  bool IsLc3ConfigMatched(

      const set_configurations::CodecCapabilitySetting& adsp_config,

      const set_configurations::CodecCapabilitySetting& target_config) {

    if (adsp_config.id.coding_format != types::kLeAudioCodingFormatLC3 ||

        target_config.id.coding_format != types::kLeAudioCodingFormatLC3) {

      return false;

    }



    const types::LeAudioLc3Config adsp_lc3_config =

        std::get<types::LeAudioLc3Config>(adsp_config.config);

    const types::LeAudioLc3Config target_lc3_config =

        std::get<types::LeAudioLc3Config>(target_config.config);



    if (adsp_lc3_config.sampling_frequency !=

            target_lc3_config.sampling_frequency ||

        adsp_lc3_config.frame_duration != target_lc3_config.frame_duration ||

        adsp_lc3_config.channel_count != target_lc3_config.channel_count ||

        adsp_lc3_config.octets_per_codec_frame !=

            target_lc3_config.octets_per_codec_frame) {

      return false;

    }



    return true;

  }



  bool IsSetConfigurationMatched(const SetConfiguration& software_set_config,

                                 const SetConfiguration& adsp_set_config) {

    // Skip the check of stategry and ase_cnt due to ADSP doesn't have the info

    return (

        software_set_config.direction == adsp_set_config.direction &&

        software_set_config.device_cnt == adsp_set_config.device_cnt &&

        IsLc3ConfigMatched(software_set_config.codec, adsp_set_config.codec));

  }



  bool IsAudioSetConfigurationMatched(

      const AudioSetConfiguration* software_audio_set_conf,

      std::unordered_set<uint8_t>& offload_preference_set,

      const std::vector<AudioSetConfiguration>& adsp_capabilities) {

    if (software_audio_set_conf->confs.empty()) {

      return false;

    }



    std::unordered_map<uint8_t, const SetConfiguration&>

        software_set_conf_direction_map;



    for (auto& software_set_conf : software_audio_set_conf->confs) {

      // Checks offload preference supports the codec

      if (offload_preference_set.find(

              software_set_conf.codec.id.coding_format) ==

          offload_preference_set.end()) {

        return false;

      }

      software_set_conf_direction_map.emplace(software_set_conf.direction,

                                              software_set_conf);

    }



    // Checks any of offload config matches the input audio set config

    for (const auto& adsp_audio_set_conf : adsp_capabilities) {

      if (adsp_audio_set_conf.confs.size() !=

          software_audio_set_conf->confs.size()) {

        continue;

      }



      size_t match_cnt = 0;



      for (auto& adsp_set_conf : adsp_audio_set_conf.confs) {

        auto it = software_set_conf_direction_map.find(adsp_set_conf.direction);



        if (it == software_set_conf_direction_map.end()) {

          continue;

        }



        if (IsSetConfigurationMatched(it->second, adsp_set_conf)) {

          match_cnt++;

        }

      }



      if (match_cnt == software_set_conf_direction_map.size()) {

        return true;

      }

    }



    return false;

  }



  void UpdateOffloadCapability(

      const std::vector<btle_audio_codec_config_t>& offloading_preference,

      const std::vector<AudioSetConfiguration>& adsp_capabilities) {

    LOG(INFO) << __func__;

    std::unordered_set<uint8_t> offload_preference_set;



    for (auto codec : offloading_preference) {

      auto it = btle_audio_codec_type_map_.find(codec.codec_type);



      if (it != btle_audio_codec_type_map_.end()) {

        offload_preference_set.insert(it->second);

      }

    }



    for (types::LeAudioContextType ctx_type :

         types::kLeAudioContextAllTypesArray) {

      // Gets the software supported context type and the corresponding config

      // priority

      const AudioSetConfigurations* software_audio_set_confs =

          set_configurations::get_confs_by_type(ctx_type);



      for (const auto& software_audio_set_conf : *software_audio_set_confs) {

        if (IsAudioSetConfigurationMatched(software_audio_set_conf,

                                           offload_preference_set,

                                           adsp_capabilities)) {

          LOG(INFO) << "Offload supported conf, context type: " << (int)ctx_type

                    << ", settings -> " << software_audio_set_conf->name;

          context_type_offload_config_map_[ctx_type].push_back(

              software_audio_set_conf);

        }

      }

    }

  }



  CodecLocation codec_location_ = CodecLocation::HOST;

  bool offload_enable_ = false;

  le_audio::offload_config sink_config;

  le_audio::offload_config source_config;

  std::unordered_map<types::LeAudioContextType, AudioSetConfigurations>

      context_type_offload_config_map_;

  std::unordered_map<btle_audio_codec_index_t, uint8_t>

      btle_audio_codec_type_map_ = {

          {::bluetooth::le_audio::LE_AUDIO_CODEC_INDEX_SOURCE_LC3,

           types::kLeAudioCodingFormatLC3}};

};



struct CodecManager::impl {

  impl(const CodecManager& codec_manager) : codec_manager_(codec_manager) {}



  void Start() {

  void Start(

      const std::vector<btle_audio_codec_config_t>& offloading_preference,

      const std::vector<set_configurations::AudioSetConfiguration>&

          adsp_capabilities) {

    LOG_ASSERT(!codec_manager_impl_);

    codec_manager_impl_ = std::make_unique<codec_manager_impl>();

    codec_manager_impl_ = std::make_unique<codec_manager_impl>(

        offloading_preference, adsp_capabilities);

  }



  void Stop() {
@@ -140,8 +285,12 @@ struct CodecManager::impl { 


CodecManager::CodecManager() : pimpl_(std::make_unique<impl>(*this)) {}



void CodecManager::Start() {

  if (!pimpl_->IsRunning()) pimpl_->Start();

void CodecManager::Start(

    const std::vector<btle_audio_codec_config_t>& offloading_preference,

    const std::vector<set_configurations::AudioSetConfiguration>&

        adsp_capabilities) {

  if (!pimpl_->IsRunning())

    pimpl_->Start(offloading_preference, adsp_capabilities);

}



void CodecManager::Stop() {
@@ -170,4 +319,13 @@ void CodecManager::UpdateActiveSinkAudioConfig( 
                                                             delay);

}



const AudioSetConfigurations* CodecManager::GetOffloadCodecConfig(

    types::LeAudioContextType ctx_type) {

  if (pimpl_->IsRunning()) {

    return pimpl_->codec_manager_impl_->GetOffloadCodecConfig(ctx_type);

  }



  return nullptr;

}



}  // namespace le_audio