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Commit 62ae8606 authored by Treehugger Robot's avatar Treehugger Robot Committed by Gerrit Code Review
Browse files

Merge "BtAudio: Improve LE offload compatability"

parents 283a876e 75462aaf

bluetooth/audio/utils/aidl_session/BluetoothAudioCodecs.cpp

+5 −5
Original line number Diff line number Diff line
@@ -78,7 +78,7 @@ static const AptxCapabilities kDefaultOffloadAptxHdCapability = { 
    .bitsPerSample = {24},

};



static const Lc3Capabilities kDefaultOffloadLc3Capability = {

static const Lc3Capabilities kDefaultA2dpOffloadLc3Capability = {

    .samplingFrequencyHz = {44100, 48000},

    .frameDurationUs = {7500, 10000},

    .channelMode = {ChannelMode::MONO, ChannelMode::STEREO},
@@ -285,11 +285,11 @@ bool BluetoothAudioCodecs::IsOffloadLc3ConfigurationValid( 
  const Lc3Configuration lc3_data =

      codec_specific.get<CodecConfiguration::CodecSpecific::lc3Config>();



  if (ContainedInVector(kDefaultOffloadLc3Capability.samplingFrequencyHz,

  if (ContainedInVector(kDefaultA2dpOffloadLc3Capability.samplingFrequencyHz,

                        lc3_data.samplingFrequencyHz) &&

      ContainedInVector(kDefaultOffloadLc3Capability.frameDurationUs,

      ContainedInVector(kDefaultA2dpOffloadLc3Capability.frameDurationUs,

                        lc3_data.frameDurationUs) &&

      ContainedInVector(kDefaultOffloadLc3Capability.channelMode,

      ContainedInVector(kDefaultA2dpOffloadLc3Capability.channelMode,

                        lc3_data.channelMode)) {

    return true;

  }
@@ -352,7 +352,7 @@ BluetoothAudioCodecs::GetA2dpOffloadCodecCapabilities( 
      case CodecType::LC3:

        codec_capability.capabilities

            .set<CodecCapabilities::Capabilities::lc3Capabilities>(

                kDefaultOffloadLc3Capability);

                kDefaultA2dpOffloadLc3Capability);

        break;

      case CodecType::UNKNOWN:

      case CodecType::VENDOR:

bluetooth/audio/utils/aidl_session/BluetoothAudioCodecs.h

+1 −7
Original line number Diff line number Diff line
@@ -45,11 +45,7 @@ class BluetoothAudioCodecs { 
      const SessionType& session_type, const CodecConfiguration& codec_config);



  static bool IsOffloadLeAudioConfigurationValid(

      const SessionType& session_type, const Lc3Configuration& codec_config);



  static bool IsOffloadLeAudioConfigurationValid(

      const SessionType& session_type,

      const LeAudioConfiguration& codec_config);

      const SessionType& session_type, const LeAudioConfiguration&);



  static std::vector<LeAudioCodecCapabilitiesSetting>

  GetLeAudioOffloadCodecCapabilities(const SessionType& session_type);
@@ -77,8 +73,6 @@ class BluetoothAudioCodecs { 
      const CodecConfiguration::CodecSpecific& codec_specific);

  static bool IsOffloadLc3ConfigurationValid(

      const CodecConfiguration::CodecSpecific& codec_specific);

  static bool IsOffloadLeAudioConfigurationValid(

      const SessionType& session_type, const LeAudioCodecConfiguration&);

};



}  // namespace audio

bluetooth/audio/utils/aidl_session/BluetoothAudioSession.cpp

+8 −34
Original line number Diff line number Diff line
@@ -35,22 +35,8 @@ static constexpr int kFmqReceiveTimeoutMs = 
static constexpr int kWritePollMs = 1;  // polled non-blocking interval

static constexpr int kReadPollMs = 1;   // polled non-blocking interval



const CodecConfiguration BluetoothAudioSession::kInvalidCodecConfiguration = {};

const LeAudioConfiguration kInvalidLeAudioConfiguration = {};

AudioConfiguration BluetoothAudioSession::invalidSoftwareAudioConfiguration =

    {};

AudioConfiguration BluetoothAudioSession::invalidOffloadAudioConfiguration = {};

AudioConfiguration BluetoothAudioSession::invalidLeOffloadAudioConfig = {};



BluetoothAudioSession::BluetoothAudioSession(const SessionType& session_type)

    : session_type_(session_type), stack_iface_(nullptr), data_mq_(nullptr) {

  invalidSoftwareAudioConfiguration.set<AudioConfiguration::pcmConfig>(

      kInvalidPcmConfiguration);

  invalidOffloadAudioConfiguration.set<AudioConfiguration::a2dpConfig>(

      kInvalidCodecConfiguration);

  invalidLeOffloadAudioConfig.set<AudioConfiguration::leAudioConfig>(

      kInvalidLeAudioConfiguration);

}

    : session_type_(session_type), stack_iface_(nullptr), data_mq_(nullptr) {}



/***

 *
@@ -72,13 +58,7 @@ void BluetoothAudioSession::OnSessionStarted( 
  } else if (!UpdateDataPath(mq_desc)) {

    LOG(ERROR) << __func__ << " - SessionType=" << toString(session_type_)

               << " MqDescriptor Invalid";

    if (session_type_ == SessionType::A2DP_HARDWARE_OFFLOAD_ENCODING_DATAPATH) {

      audio_config_ = std::make_unique<AudioConfiguration>(

          invalidOffloadAudioConfiguration);

    } else {

      audio_config_ = std::make_unique<AudioConfiguration>(

          invalidSoftwareAudioConfiguration);

    }

    audio_config_ = nullptr;

  } else {

    stack_iface_ = stack_iface;

    LOG(INFO) << __func__ << " - SessionType=" << toString(session_type_)
@@ -91,13 +71,7 @@ void BluetoothAudioSession::OnSessionEnded() { 
  std::lock_guard<std::recursive_mutex> guard(mutex_);

  bool toggled = IsSessionReady();

  LOG(INFO) << __func__ << " - SessionType=" << toString(session_type_);

  if (session_type_ == SessionType::A2DP_HARDWARE_OFFLOAD_ENCODING_DATAPATH) {

    audio_config_ =

        std::make_unique<AudioConfiguration>(invalidOffloadAudioConfiguration);

  } else {

    audio_config_ =

        std::make_unique<AudioConfiguration>(invalidSoftwareAudioConfiguration);

  }

  audio_config_ = nullptr;

  stack_iface_ = nullptr;

  UpdateDataPath(nullptr);

  if (toggled) {
@@ -111,17 +85,17 @@ void BluetoothAudioSession::OnSessionEnded() { 
 *

 ***/



const AudioConfiguration& BluetoothAudioSession::GetAudioConfig() {

const AudioConfiguration BluetoothAudioSession::GetAudioConfig() {

  std::lock_guard<std::recursive_mutex> guard(mutex_);

  if (!IsSessionReady()) {

    switch (session_type_) {

      case SessionType::A2DP_HARDWARE_OFFLOAD_ENCODING_DATAPATH:

        return invalidOffloadAudioConfiguration;

        return AudioConfiguration(CodecConfiguration{});

      case SessionType::LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH:

      case SessionType::LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH:

        return invalidLeOffloadAudioConfig;

        return AudioConfiguration(LeAudioConfiguration{});

      default:

        return invalidSoftwareAudioConfiguration;

        return AudioConfiguration(PcmConfiguration{});

    }

  }

  return *audio_config_;
@@ -164,7 +138,7 @@ bool BluetoothAudioSession::IsSessionReady() { 
       session_type_ ==

           SessionType::LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH ||

       (data_mq_ != nullptr && data_mq_->isValid()));

  return stack_iface_ != nullptr && is_mq_valid;

  return stack_iface_ != nullptr && is_mq_valid && audio_config_ != nullptr;

}



/***

bluetooth/audio/utils/aidl_session/BluetoothAudioSession.h

+1 −9
Original line number Diff line number Diff line
@@ -144,7 +144,7 @@ class BluetoothAudioSession { 
   * The control function is for the bluetooth_audio module to get the current

   * AudioConfiguration

   ***/

  const AudioConfiguration& GetAudioConfig();

  const AudioConfiguration GetAudioConfig();



  /***

   * The report function is used to report that the Bluetooth stack has notified
@@ -173,14 +173,6 @@ class BluetoothAudioSession { 
  // Return if IBluetoothAudioProviderFactory implementation existed

  static bool IsAidlAvailable();



  static constexpr PcmConfiguration kInvalidPcmConfiguration = {};

  // can't be constexpr because of non-literal type

  static const CodecConfiguration kInvalidCodecConfiguration;



  static AudioConfiguration invalidSoftwareAudioConfiguration;

  static AudioConfiguration invalidOffloadAudioConfiguration;

  static AudioConfiguration invalidLeOffloadAudioConfig;



 private:

  // using recursive_mutex to allow hwbinder to re-enter again.

  std::recursive_mutex mutex_;

bluetooth/audio/utils/aidl_session/BluetoothAudioSessionControl.h

+9 −5
Original line number Diff line number Diff line
@@ -79,11 +79,15 @@ class BluetoothAudioSessionControl { 
        BluetoothAudioSessionInstance::GetSessionInstance(session_type);

    if (session_ptr != nullptr) {

      return session_ptr->GetAudioConfig();

    } else if (session_type ==

               SessionType::A2DP_HARDWARE_OFFLOAD_ENCODING_DATAPATH) {

      return BluetoothAudioSession::invalidOffloadAudioConfiguration;

    } else {

      return BluetoothAudioSession::invalidSoftwareAudioConfiguration;

    }

    switch (session_type) {

      case SessionType::A2DP_HARDWARE_OFFLOAD_ENCODING_DATAPATH:

        return AudioConfiguration(CodecConfiguration{});

      case SessionType::LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH:

      case SessionType::LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH:

        return AudioConfiguration(LeAudioConfiguration{});

      default:

        return AudioConfiguration(PcmConfiguration{});

    }

  }