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Commit f5b95a0d authored by Treehugger Robot's avatar Treehugger Robot Committed by Automerger Merge Worker
Browse files

Merge "LE audio hardware offload: audio configuration update" am: bc858b1a 

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/1935348

Change-Id: Iaa49aabf4e74e14b6081efa79c2f2295227d46f9
parents 853df5a5 bc858b1a

system/audio_hal_interface/client_interface.cc

+14 −0
Original line number Diff line number Diff line
@@ -732,6 +732,20 @@ bool BluetoothAudioClientInterface::UpdateAudioConfig_2_2( 
  }



  transport_->UpdateAudioConfiguration_2_2(audio_config_2_2);



  if (provider_2_2_ == nullptr) {

    LOG(INFO) << __func__

              << ": BluetoothAudioHal nullptr, update it as session started";

    return true;

  }



  ::android::hardware::Return<void> hidl_retval;

  hidl_retval = provider_2_2_->updateAudioConfiguration(audio_config_2_2);



  if (!hidl_retval.isOk()) {

    LOG(ERROR) << __func__

               << ": BluetoothAudioHal failure: " << hidl_retval.description();

  }

  return true;

}

system/audio_hal_interface/le_audio_software.cc

+60 −3
Original line number Diff line number Diff line
@@ -39,6 +39,9 @@ using ::android::hardware::bluetooth::audio::V2_1::Lc3Parameters; 
using ::android::hardware::bluetooth::audio::V2_1::PcmParameters;

using ::android::hardware::bluetooth::audio::V2_2::AudioLocation;

using ::android::hardware::bluetooth::audio::V2_2::LeAudioConfiguration;

using ::android::hardware::bluetooth::audio::V2_2::LeAudioMode;

using ::android::hardware::bluetooth::audio::V2_2::UnicastConfig;

using ::android::hardware::bluetooth::audio::V2_2::UnicastStreamMap;

using ::bluetooth::audio::AudioConfiguration_2_2;

using ::bluetooth::audio::BluetoothAudioCtrlAck;

using ::bluetooth::audio::SampleRate_2_1;
@@ -529,7 +532,8 @@ static SampleRate_2_1 le_audio_sample_rate2audio_hal(uint32_t sample_rate_2_1) { 
  return SampleRate_2_1::RATE_UNKNOWN;

}



static BitsPerSample le_audio_bit_rate2audio_hal(uint8_t bits_per_sample) {

static BitsPerSample le_audio_bits_per_sample2audio_hal(

    uint8_t bits_per_sample) {

  switch (bits_per_sample) {

    case 16:

      return BitsPerSample::BITS_16;
@@ -551,6 +555,18 @@ static ChannelMode le_audio_channel_mode2audio_hal(uint8_t channels_count) { 
  return ChannelMode::UNKNOWN;

}



static Lc3FrameDuration le_audio_frame_duration2audio_hal(

    uint8_t frame_duration) {

  switch (frame_duration) {

    case 10000:

      return Lc3FrameDuration::DURATION_10000US;

    case 7500:

      return Lc3FrameDuration::DURATION_7500US;

  }

  // TODO: handle error in the aidl version

  return Lc3FrameDuration::DURATION_10000US;

}



void LeAudioClientInterface::Sink::Cleanup() {

  LOG(INFO) << __func__ << " sink";

  StopSession();
@@ -564,7 +580,7 @@ void LeAudioClientInterface::Sink::SetPcmParameters( 
    const PcmParameters& params) {

  le_audio_sink->LeAudioSetSelectedHalPcmConfig(

      le_audio_sample_rate2audio_hal(params.sample_rate),

      le_audio_bit_rate2audio_hal(params.bits_per_sample),

      le_audio_bits_per_sample2audio_hal(params.bits_per_sample),

      le_audio_channel_mode2audio_hal(params.channels_count),

      params.data_interval_us);

}
@@ -635,6 +651,41 @@ void LeAudioClientInterface::Sink::StopSession() { 
  le_audio_sink_hal_clientinterface->EndSession();

}



void LeAudioClientInterface::Sink::UpdateAudioConfigToHal(

    const ::le_audio::offload_config& offload_config) {

  if (le_audio_sink_hal_clientinterface->GetTransportInstance()

          ->GetSessionType_2_1() !=

      SessionType_2_1::LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH) {

    return;

  }



  AudioConfiguration_2_2 audio_config;

  std::vector<UnicastStreamMap> unicast_map;

  for (auto& [handle, location] : offload_config.stream_map) {

    UnicastStreamMap stream = {.streamHandle = handle,

                               .audioChannelAllocation = location};

    unicast_map.emplace_back(stream);

  }

  hidl_vec<UnicastStreamMap> hal_map;

  hal_map.setToExternal(unicast_map.data(), unicast_map.size());

  LeAudioConfiguration le_audio_config;

  le_audio_config.mode = LeAudioMode::UNICAST;

  le_audio_config.config.unicastConfig() = {

      .streamMap = std::move(hal_map),

      .peerDelay = offload_config.peer_delay,

      .lc3Config = {.pcmBitDepth = le_audio_bits_per_sample2audio_hal(

                        offload_config.bits_per_sample),

                    .samplingFrequency = le_audio_sample_rate2audio_hal(

                        offload_config.sampling_rate),

                    .frameDuration = le_audio_frame_duration2audio_hal(

                        offload_config.frame_duration),

                    .octetsPerFrame = offload_config.octets_per_frame,

                    .blocksPerSdu = offload_config.blocks_per_sdu}};

  audio_config.leAudioConfig(le_audio_config);



  le_audio_sink_hal_clientinterface->UpdateAudioConfig_2_2(audio_config);

}



size_t LeAudioClientInterface::Sink::Read(uint8_t* p_buf, uint32_t len) {

  return le_audio_sink_hal_clientinterface->ReadAudioData(p_buf, len);

}
@@ -652,7 +703,7 @@ void LeAudioClientInterface::Source::SetPcmParameters( 
    const PcmParameters& params) {

  le_audio_source->LeAudioSetSelectedHalPcmConfig(

      le_audio_sample_rate2audio_hal(params.sample_rate),

      le_audio_bit_rate2audio_hal(params.bits_per_sample),

      le_audio_bits_per_sample2audio_hal(params.bits_per_sample),

      le_audio_channel_mode2audio_hal(params.channels_count),

      params.data_interval_us);

}
@@ -719,6 +770,12 @@ void LeAudioClientInterface::Source::StopSession() { 
  le_audio_source_hal_clientinterface->EndSession();

}



void LeAudioClientInterface::Source::UpdateAudioConfigToHal(

    const ::le_audio::offload_config& config) {

  LOG(INFO) << __func__ << " source: not handle now";

  return;

}



size_t LeAudioClientInterface::Source::Write(const uint8_t* p_buf,

                                             uint32_t len) {

  return le_audio_source_hal_clientinterface->WriteAudioData(p_buf, len);

system/audio_hal_interface/le_audio_software.h

+7 −2
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 


#include <functional>



#include "bta/le_audio/codec_manager.h"

#include "bta/le_audio/le_audio_types.h"

#include "common/message_loop_thread.h"
@@ -71,6 +72,8 @@ class LeAudioClientInterface { 
    virtual void StopSession() = 0;

    virtual void ConfirmStreamingRequest() = 0;

    virtual void CancelStreamingRequest() = 0;

    virtual void UpdateAudioConfigToHal(

        const ::le_audio::offload_config& config) = 0;

  };



 public:
@@ -85,7 +88,8 @@ class LeAudioClientInterface { 
    void StopSession() override;

    void ConfirmStreamingRequest() override;

    void CancelStreamingRequest() override;



    void UpdateAudioConfigToHal(

        const ::le_audio::offload_config& config) override;

    // Read the stream of bytes sinked to us by the upper layers

    size_t Read(uint8_t* p_buf, uint32_t len);

  };
@@ -100,7 +104,8 @@ class LeAudioClientInterface { 
    void StopSession() override;

    void ConfirmStreamingRequest() override;

    void CancelStreamingRequest() override;



    void UpdateAudioConfigToHal(

        const ::le_audio::offload_config& config) override;

    // Source the given stream of bytes to be sinked into the upper layers

    size_t Write(const uint8_t* p_buf, uint32_t len);

  };

system/bta/le_audio/client.cc

+25 −18
Original line number Diff line number Diff line
@@ -2109,6 +2109,10 @@ class LeAudioClientImpl : public LeAudioClient { 
      return false;

    }



    uint16_t remote_delay_ms =

        group->GetRemoteDelay(le_audio::types::kLeAudioDirectionSink);

    if (CodecManager::GetInstance()->GetCodecLocation() ==

        le_audio::types::CodecLocation::HOST) {

      if (lc3_encoder_left_mem) {

        LOG(WARNING)

            << " The encoder instance should have been already released.";
@@ -2125,10 +2129,13 @@ class LeAudioClientImpl : public LeAudioClient { 
      lc3_encoder_right_mem = malloc(enc_size);



      lc3_encoder_left = lc3_setup_encoder(dt_us, sr_hz, lc3_encoder_left_mem);

    lc3_encoder_right = lc3_setup_encoder(dt_us, sr_hz, lc3_encoder_right_mem);



    uint16_t remote_delay_ms =

        group->GetRemoteDelay(le_audio::types::kLeAudioDirectionSink);

      lc3_encoder_right =

          lc3_setup_encoder(dt_us, sr_hz, lc3_encoder_right_mem);

    } else if (CodecManager::GetInstance()->GetCodecLocation() ==

               le_audio::types::CodecLocation::ADSP) {

      CodecManager::GetInstance()->UpdateActiveAudioConfig(*stream_conf,

                                                           remote_delay_ms);

    }



    LeAudioClientAudioSource::UpdateRemoteDelay(remote_delay_ms);

    LeAudioClientAudioSource::ConfirmStreamingRequest();

system/bta/le_audio/client_audio.cc

+24 −0
Original line number Diff line number Diff line
@@ -436,6 +436,18 @@ void LeAudioClientAudioSource::DebugDump(int fd) { 
  dprintf(fd, "%s", stream.str().c_str());

}



void LeAudioClientAudioSource::UpdateAudioConfigToHal(

    const ::le_audio::offload_config& config) {

  LOG(INFO) << __func__;

  if ((sinkClientInterface == nullptr) ||

      (le_audio_sink_hal_state != HAL_STARTED)) {

    LOG(ERROR) << "LE audio device HAL was not started!";

    return;

  }



  sinkClientInterface->UpdateAudioConfigToHal(config);

}



bool LeAudioClientAudioSink::Start(

    const LeAudioCodecConfiguration& codec_configuration,

    LeAudioClientAudioSourceReceiver* audioReceiver) {
@@ -599,3 +611,15 @@ void LeAudioClientAudioSink::UpdateRemoteDelay(uint16_t remote_delay_ms) { 
void LeAudioClientAudioSink::DebugDump(int fd) {

  /* TODO: Add some statistic for source client interface */

}



void LeAudioClientAudioSink::UpdateAudioConfigToHal(

    const ::le_audio::offload_config& config) {

  LOG(INFO) << __func__;

  if ((sourceClientInterface == nullptr) ||

      (le_audio_source_hal_state != HAL_STARTED)) {

    LOG(ERROR) << "LE audio device HAL was not started!";

    return;

  }



  sourceClientInterface->UpdateAudioConfigToHal(config);

}