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Commit e6612a50 authored by Mikhail Naganov's avatar Mikhail Naganov Committed by Automerger Merge Worker
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Merge changes from topic "fix-aidl-mix-ports-and-bt" into main am: eafa78c9... 

Merge changes from topic "fix-aidl-mix-ports-and-bt" into main am: eafa78c9 am: 002c58fa am: 78d8c4dd

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2877679



Change-Id: I0e0869b0ad13637ee5c53a865a7a34ea13f5560d
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents d1e45d1b 78d8c4dd

audio/aidl/default/bluetooth/DevicePortProxy.cpp

+19 −18
Original line number Diff line number Diff line
@@ -14,7 +14,7 @@ 
 * limitations under the License.

 */



#define LOG_TAG "AHAL_BluetoothPortProxy"

#define LOG_TAG "AHAL_BluetoothAudioPort"



#include <android-base/logging.h>

#include <android-base/stringprintf.h>
@@ -254,12 +254,7 @@ bool BluetoothAudioPortAidl::inUse() const { 
    return (mCookie != ::aidl::android::hardware::bluetooth::audio::kObserversCookieUndefined);

}



bool BluetoothAudioPortAidl::getPreferredDataIntervalUs(size_t* interval_us) const {

    if (!interval_us) {

        LOG(ERROR) << __func__ << ": bad input arg";

        return false;

    }



bool BluetoothAudioPortAidl::getPreferredDataIntervalUs(size_t& interval_us) const {

    if (!inUse()) {

        LOG(ERROR) << __func__ << ": BluetoothAudioPortAidl is not in use";

        return false;
@@ -272,16 +267,11 @@ bool BluetoothAudioPortAidl::getPreferredDataIntervalUs(size_t* interval_us) con 
        return false;

    }



    *interval_us = hal_audio_cfg.get<AudioConfiguration::pcmConfig>().dataIntervalUs;

    interval_us = hal_audio_cfg.get<AudioConfiguration::pcmConfig>().dataIntervalUs;

    return true;

}



bool BluetoothAudioPortAidl::loadAudioConfig(PcmConfiguration* audio_cfg) const {

    if (!audio_cfg) {

        LOG(ERROR) << __func__ << ": bad input arg";

        return false;

    }



bool BluetoothAudioPortAidl::loadAudioConfig(PcmConfiguration& audio_cfg) {

    if (!inUse()) {

        LOG(ERROR) << __func__ << ": BluetoothAudioPortAidl is not in use";

        return false;
@@ -293,15 +283,26 @@ bool BluetoothAudioPortAidl::loadAudioConfig(PcmConfiguration* audio_cfg) const 
        LOG(ERROR) << __func__ << ": unsupported audio cfg tag";

        return false;

    }

    *audio_cfg = hal_audio_cfg.get<AudioConfiguration::pcmConfig>();

    audio_cfg = hal_audio_cfg.get<AudioConfiguration::pcmConfig>();

    LOG(VERBOSE) << __func__ << debugMessage() << ", state*=" << getState() << ", PcmConfig=["

                 << audio_cfg->toString() << "]";

    if (audio_cfg->channelMode == ChannelMode::UNKNOWN) {

                 << audio_cfg.toString() << "]";

    if (audio_cfg.channelMode == ChannelMode::UNKNOWN) {

        return false;

    }

    return true;

}



bool BluetoothAudioPortAidlOut::loadAudioConfig(PcmConfiguration& audio_cfg) {

    if (!BluetoothAudioPortAidl::loadAudioConfig(audio_cfg)) return false;

    // WAR to support Mono / 16 bits per sample as the Bluetooth stack requires

    if (audio_cfg.channelMode == ChannelMode::MONO && audio_cfg.bitsPerSample == 16) {

        mIsStereoToMono = true;

        audio_cfg.channelMode = ChannelMode::STEREO;

        LOG(INFO) << __func__ << ": force channels = to be AUDIO_CHANNEL_OUT_STEREO";

    }

    return true;

}



bool BluetoothAudioPortAidl::standby() {

    if (!inUse()) {

        LOG(ERROR) << __func__ << ": BluetoothAudioPortAidl is not in use";
@@ -435,7 +436,7 @@ bool BluetoothAudioPortAidl::suspend() { 
                retval = condWaitState(BluetoothStreamState::SUSPENDING);

            } else {

                LOG(ERROR) << __func__ << debugMessage() << ", state=" << getState()

                           << " Hal fails";

                           << " failure to suspend stream";

            }

        }

    }

audio/aidl/default/bluetooth/ModuleBluetooth.cpp

+205 −27
Original line number Diff line number Diff line
@@ -24,13 +24,25 @@ 


using aidl::android::hardware::audio::common::SinkMetadata;

using aidl::android::hardware::audio::common::SourceMetadata;

using aidl::android::hardware::bluetooth::audio::ChannelMode;

using aidl::android::hardware::bluetooth::audio::PcmConfiguration;

using aidl::android::media::audio::common::AudioChannelLayout;

using aidl::android::media::audio::common::AudioConfigBase;

using aidl::android::media::audio::common::AudioDeviceDescription;

using aidl::android::media::audio::common::AudioDeviceType;

using aidl::android::media::audio::common::AudioFormatDescription;

using aidl::android::media::audio::common::AudioFormatType;

using aidl::android::media::audio::common::AudioIoFlags;

using aidl::android::media::audio::common::AudioOffloadInfo;

using aidl::android::media::audio::common::AudioPort;

using aidl::android::media::audio::common::AudioPortConfig;

using aidl::android::media::audio::common::AudioPortExt;

using aidl::android::media::audio::common::AudioProfile;

using aidl::android::media::audio::common::Int;

using aidl::android::media::audio::common::MicrophoneInfo;

using aidl::android::media::audio::common::PcmType;

using android::bluetooth::audio::aidl::BluetoothAudioPortAidl;

using android::bluetooth::audio::aidl::BluetoothAudioPortAidlIn;

using android::bluetooth::audio::aidl::BluetoothAudioPortAidlOut;



// TODO(b/312265159) bluetooth audio should be in its own process
@@ -39,6 +51,35 @@ extern "C" binder_status_t createIBluetoothAudioProviderFactory(); 


namespace aidl::android::hardware::audio::core {



namespace {



PcmType pcmTypeFromBitsPerSample(int8_t bitsPerSample) {

    if (bitsPerSample == 8)

        return PcmType::UINT_8_BIT;

    else if (bitsPerSample == 16)

        return PcmType::INT_16_BIT;

    else if (bitsPerSample == 24)

        return PcmType::INT_24_BIT;

    else if (bitsPerSample == 32)

        return PcmType::INT_32_BIT;

    ALOGE("Unsupported bitsPerSample: %d", bitsPerSample);

    return PcmType::DEFAULT;

}



AudioChannelLayout channelLayoutFromChannelMode(ChannelMode mode) {

    if (mode == ChannelMode::MONO) {

        return AudioChannelLayout::make<AudioChannelLayout::layoutMask>(

                AudioChannelLayout::LAYOUT_MONO);

    } else if (mode == ChannelMode::STEREO || mode == ChannelMode::DUALMONO) {

        return AudioChannelLayout::make<AudioChannelLayout::layoutMask>(

                AudioChannelLayout::LAYOUT_STEREO);

    }

    ALOGE("Unsupported channel mode: %s", toString(mode).c_str());

    return AudioChannelLayout{};

}



}  // namespace



ModuleBluetooth::ModuleBluetooth(std::unique_ptr<Module::Configuration>&& config)

    : Module(Type::BLUETOOTH, std::move(config)) {

    // TODO(b/312265159) bluetooth audio should be in its own process
@@ -95,67 +136,131 @@ ndk::ScopedAStatus ModuleBluetooth::setMicMute(bool in_mute __unused) { 
    return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);

}



ndk::ScopedAStatus ModuleBluetooth::setAudioPortConfig(const AudioPortConfig& in_requested,

                                                       AudioPortConfig* out_suggested,

                                                       bool* _aidl_return) {

    auto fillConfig = [this](const AudioPort& port, AudioPortConfig* config) {

        if (port.ext.getTag() == AudioPortExt::device) {

            CachedProxy proxy;

            auto status = findOrCreateProxy(port, proxy);

            if (status.isOk()) {

                const auto& pcmConfig = proxy.pcmConfig;

                LOG(DEBUG) << "setAudioPortConfig: suggesting port config from "

                           << pcmConfig.toString();

                const auto pcmType = pcmTypeFromBitsPerSample(pcmConfig.bitsPerSample);

                const auto channelMask = channelLayoutFromChannelMode(pcmConfig.channelMode);

                if (pcmType != PcmType::DEFAULT && channelMask != AudioChannelLayout{}) {

                    config->format =

                            AudioFormatDescription{.type = AudioFormatType::PCM, .pcm = pcmType};

                    config->channelMask = channelMask;

                    config->sampleRate = Int{.value = pcmConfig.sampleRateHz};

                    config->flags = port.flags;

                    config->ext = port.ext;

                    return true;

                }

            }

        }

        return generateDefaultPortConfig(port, config);

    };

    return Module::setAudioPortConfigImpl(in_requested, fillConfig, out_suggested, _aidl_return);

}



ndk::ScopedAStatus ModuleBluetooth::checkAudioPatchEndpointsMatch(

        const std::vector<AudioPortConfig*>& sources, const std::vector<AudioPortConfig*>& sinks) {

    // Both sources and sinks must be non-empty, this is guaranteed by 'setAudioPatch'.

    const bool isInput = sources[0]->ext.getTag() == AudioPortExt::device;

    const int32_t devicePortId = isInput ? sources[0]->portId : sinks[0]->portId;

    const auto proxyIt = mProxies.find(devicePortId);

    if (proxyIt == mProxies.end()) return ndk::ScopedAStatus::ok();

    const auto& pcmConfig = proxyIt->second.pcmConfig;

    const AudioPortConfig* mixPortConfig = isInput ? sinks[0] : sources[0];

    if (!StreamBluetooth::checkConfigParams(

                pcmConfig, AudioConfigBase{.sampleRate = mixPortConfig->sampleRate->value,

                                           .channelMask = *(mixPortConfig->channelMask),

                                           .format = *(mixPortConfig->format)})) {

        return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);

    }

    if (int32_t handle = mixPortConfig->ext.get<AudioPortExt::mix>().handle; handle > 0) {

        mConnections.insert(std::pair(handle, devicePortId));

    }

    return ndk::ScopedAStatus::ok();

}



void ModuleBluetooth::onExternalDeviceConnectionChanged(const AudioPort& audioPort,

                                                        bool connected) {

    if (!connected) mProxies.erase(audioPort.id);

}



ndk::ScopedAStatus ModuleBluetooth::createInputStream(

        StreamContext&& context, const SinkMetadata& sinkMetadata,

        const std::vector<MicrophoneInfo>& microphones, std::shared_ptr<StreamIn>* result) {

    CachedProxy proxy;

    RETURN_STATUS_IF_ERROR(fetchAndCheckProxy(context, proxy));

    return createStreamInstance<StreamInBluetooth>(result, std::move(context), sinkMetadata,

                                                   microphones, getBtProfileManagerHandles());

                                                   microphones, getBtProfileManagerHandles(),

                                                   proxy.ptr, proxy.pcmConfig);

}



ndk::ScopedAStatus ModuleBluetooth::createOutputStream(

        StreamContext&& context, const SourceMetadata& sourceMetadata,

        const std::optional<AudioOffloadInfo>& offloadInfo, std::shared_ptr<StreamOut>* result) {

    CachedProxy proxy;

    RETURN_STATUS_IF_ERROR(fetchAndCheckProxy(context, proxy));

    return createStreamInstance<StreamOutBluetooth>(result, std::move(context), sourceMetadata,

                                                    offloadInfo, getBtProfileManagerHandles());

                                                    offloadInfo, getBtProfileManagerHandles(),

                                                    proxy.ptr, proxy.pcmConfig);

}



ndk::ScopedAStatus ModuleBluetooth::populateConnectedDevicePort(AudioPort* audioPort, int32_t) {

ndk::ScopedAStatus ModuleBluetooth::populateConnectedDevicePort(AudioPort* audioPort,

                                                                int32_t nextPortId) {

    if (audioPort->ext.getTag() != AudioPortExt::device) {

        LOG(ERROR) << __func__ << ": not a device port: " << audioPort->toString();

        return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);

    }

    if (!::aidl::android::hardware::bluetooth::audio::BluetoothAudioSession::IsAidlAvailable()) {

        LOG(ERROR) << __func__ << ": IBluetoothAudioProviderFactory AIDL service not available";

        return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);

    }

    const auto& devicePort = audioPort->ext.get<AudioPortExt::device>();

    const auto& description = devicePort.device.type;

    // Since the configuration of the BT module is static, there is nothing to populate here.

    // However, this method must return an error when the device can not be connected,

    // this is determined by the status of BT profiles.

    // This method must return an error when the device can not be connected.

    if (description.connection == AudioDeviceDescription::CONNECTION_BT_A2DP) {

        bool isA2dpEnabled = false;

        if (!!mBluetoothA2dp) {

            RETURN_STATUS_IF_ERROR((*mBluetoothA2dp).isEnabled(&isA2dpEnabled));

        }

        LOG(DEBUG) << __func__ << ": isA2dpEnabled: " << isA2dpEnabled;

        return isA2dpEnabled ? ndk::ScopedAStatus::ok()

                             : ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);

        if (!isA2dpEnabled) return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);

    } else if (description.connection == AudioDeviceDescription::CONNECTION_BT_LE) {

        bool isLeEnabled = false;

        if (!!mBluetoothLe) {

            RETURN_STATUS_IF_ERROR((*mBluetoothLe).isEnabled(&isLeEnabled));

        }

        LOG(DEBUG) << __func__ << ": isLeEnabled: " << isLeEnabled;

        return isLeEnabled ? ndk::ScopedAStatus::ok()

                           : ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);

        if (!isLeEnabled) return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);

    } else if (description.connection == AudioDeviceDescription::CONNECTION_WIRELESS &&

               description.type == AudioDeviceType::OUT_HEARING_AID) {

        // Hearing aids can use a number of profiles, thus the only way to check

        // connectivity is to try to talk to the BT HAL.

        if (!::aidl::android::hardware::bluetooth::audio::BluetoothAudioSession::

                    IsAidlAvailable()) {

            return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);

        }

        std::shared_ptr<BluetoothAudioPortAidl> proxy = std::shared_ptr<BluetoothAudioPortAidl>(

                std::make_shared<BluetoothAudioPortAidlOut>());

        if (proxy->registerPort(description)) {

            LOG(DEBUG) << __func__ << ": registered hearing aid port";

            proxy->unregisterPort();

            return ndk::ScopedAStatus::ok();

        }

        LOG(DEBUG) << __func__ << ": failed to register hearing aid port";

        return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);

    }

        // Hearing aids can use a number of profiles, no single switch exists.

    } else {

        LOG(ERROR) << __func__ << ": unsupported device type: " << audioPort->toString();

        return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);

    }

    CachedProxy proxy;

    RETURN_STATUS_IF_ERROR(createProxy(*audioPort, nextPortId, proxy));

    // Since the device is already connected and configured by the BT stack, provide

    // the current configuration instead of all possible profiles.

    const auto& pcmConfig = proxy.pcmConfig;

    audioPort->profiles.clear();

    audioPort->profiles.push_back(

            AudioProfile{.format = AudioFormatDescription{.type = AudioFormatType::PCM,

                                                          .pcm = pcmTypeFromBitsPerSample(

                                                                  pcmConfig.bitsPerSample)},

                         .channelMasks = std::vector<AudioChannelLayout>(

                                 {channelLayoutFromChannelMode(pcmConfig.channelMode)}),

                         .sampleRates = std::vector<int>({pcmConfig.sampleRateHz})});

    LOG(DEBUG) << __func__ << ": " << audioPort->toString();

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus ModuleBluetooth::onMasterMuteChanged(bool) {

    LOG(DEBUG) << __func__ << ": is not supported";
@@ -167,4 +272,77 @@ ndk::ScopedAStatus ModuleBluetooth::onMasterVolumeChanged(float) { 
    return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);

}



int32_t ModuleBluetooth::getNominalLatencyMs(const AudioPortConfig& portConfig) {

    const auto connectionsIt = mConnections.find(portConfig.ext.get<AudioPortExt::mix>().handle);

    if (connectionsIt != mConnections.end()) {

        const auto proxyIt = mProxies.find(connectionsIt->second);

        if (proxyIt != mProxies.end()) {

            auto proxy = proxyIt->second.ptr;

            size_t dataIntervalUs = 0;

            if (!proxy->getPreferredDataIntervalUs(dataIntervalUs)) {

                LOG(WARNING) << __func__ << ": could not fetch preferred data interval";

            }

            const bool isInput = portConfig.flags->getTag() == AudioIoFlags::input;

            return isInput ? StreamInBluetooth::getNominalLatencyMs(dataIntervalUs)

                           : StreamOutBluetooth::getNominalLatencyMs(dataIntervalUs);

        }

    }

    LOG(ERROR) << __func__ << ": no connection or proxy found for " << portConfig.toString();

    return Module::getNominalLatencyMs(portConfig);

}



ndk::ScopedAStatus ModuleBluetooth::createProxy(const AudioPort& audioPort, int32_t instancePortId,

                                                CachedProxy& proxy) {

    const bool isInput = audioPort.flags.getTag() == AudioIoFlags::input;

    proxy.ptr = isInput ? std::shared_ptr<BluetoothAudioPortAidl>(

                                  std::make_shared<BluetoothAudioPortAidlIn>())

                        : std::shared_ptr<BluetoothAudioPortAidl>(

                                  std::make_shared<BluetoothAudioPortAidlOut>());

    const auto& devicePort = audioPort.ext.get<AudioPortExt::device>();

    if (const auto device = devicePort.device.type; !proxy.ptr->registerPort(device)) {

        LOG(ERROR) << __func__ << ": failed to register BT port for " << device.toString();

        return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);

    }

    if (!proxy.ptr->loadAudioConfig(proxy.pcmConfig)) {

        LOG(ERROR) << __func__ << ": state=" << proxy.ptr->getState()

                   << ", failed to load audio config";

        return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);

    }

    mProxies.insert(std::pair(instancePortId, proxy));

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus ModuleBluetooth::fetchAndCheckProxy(const StreamContext& context,

                                                       CachedProxy& proxy) {

    const auto connectionsIt = mConnections.find(context.getMixPortHandle());

    if (connectionsIt != mConnections.end()) {

        const auto proxyIt = mProxies.find(connectionsIt->second);

        if (proxyIt != mProxies.end()) {

            proxy = proxyIt->second;

            mProxies.erase(proxyIt);

        }

        mConnections.erase(connectionsIt);

    }

    if (proxy.ptr != nullptr) {

        if (!StreamBluetooth::checkConfigParams(

                    proxy.pcmConfig, AudioConfigBase{.sampleRate = context.getSampleRate(),

                                                     .channelMask = context.getChannelLayout(),

                                                     .format = context.getFormat()})) {

            return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);

        }

    }

    // Not having a proxy is OK, it may happen in VTS tests when streams are opened on unconnected

    // mix ports.

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus ModuleBluetooth::findOrCreateProxy(const AudioPort& audioPort,

                                                      CachedProxy& proxy) {

    if (auto proxyIt = mProxies.find(audioPort.id); proxyIt != mProxies.end()) {

        proxy = proxyIt->second;

        return ndk::ScopedAStatus::ok();

    }

    return createProxy(audioPort, audioPort.id, proxy);

}



}  // namespace aidl::android::hardware::audio::core

audio/aidl/default/bluetooth/StreamBluetooth.cpp

+103 −163

File changed.

Preview size limit exceeded, changes collapsed.

audio/aidl/default/include/core-impl/DevicePortProxy.h

+8 −12
Original line number Diff line number Diff line
@@ -73,12 +73,7 @@ class BluetoothAudioPort { 
     * Bluetooth stack

     */

    virtual bool loadAudioConfig(

            ::aidl::android::hardware::bluetooth::audio::PcmConfiguration*) const = 0;



    /**

     * WAR to support Mono mode / 16 bits per sample

     */

    virtual void forcePcmStereoToMono(bool) = 0;

            ::aidl::android::hardware::bluetooth::audio::PcmConfiguration&) = 0;



    /**

     * When the Audio framework / HAL wants to change the stream state, it invokes
@@ -145,7 +140,7 @@ class BluetoothAudioPort { 


    virtual bool isLeAudio() const = 0;



    virtual bool getPreferredDataIntervalUs(size_t*) const = 0;

    virtual bool getPreferredDataIntervalUs(size_t&) const = 0;



    virtual size_t writeData(const void*, size_t) const { return 0; }
@@ -162,10 +157,8 @@ class BluetoothAudioPortAidl : public BluetoothAudioPort { 


    void unregisterPort() override;



    bool loadAudioConfig(::aidl::android::hardware::bluetooth::audio::PcmConfiguration* audio_cfg)

            const override;



    void forcePcmStereoToMono(bool force) override { mIsStereoToMono = force; }

    bool loadAudioConfig(

            ::aidl::android::hardware::bluetooth::audio::PcmConfiguration& audio_cfg) override;



    bool standby() override;

    bool start() override;
@@ -193,7 +186,7 @@ class BluetoothAudioPortAidl : public BluetoothAudioPort { 


    bool isLeAudio() const override;



    bool getPreferredDataIntervalUs(size_t* interval_us) const override;

    bool getPreferredDataIntervalUs(size_t& interval_us) const override;



  protected:

    uint16_t mCookie;
@@ -228,6 +221,9 @@ class BluetoothAudioPortAidl : public BluetoothAudioPort { 


class BluetoothAudioPortAidlOut : public BluetoothAudioPortAidl {

  public:

    bool loadAudioConfig(

            ::aidl::android::hardware::bluetooth::audio::PcmConfiguration& audio_cfg) override;



    // The audio data path to the Bluetooth stack (Software encoding)

    size_t writeData(const void* buffer, size_t bytes) const override;

};

audio/aidl/default/include/core-impl/ModuleBluetooth.h

+30 −0
Original line number Diff line number Diff line
@@ -16,7 +16,10 @@ 


#pragma once



#include <map>



#include "core-impl/Bluetooth.h"

#include "core-impl/DevicePortProxy.h"

#include "core-impl/Module.h"



namespace aidl::android::hardware::audio::core {
@@ -31,6 +34,11 @@ class ModuleBluetooth final : public Module { 
    ModuleBluetooth(std::unique_ptr<Configuration>&& config);



  private:

    struct CachedProxy {

        std::shared_ptr<::android::bluetooth::audio::aidl::BluetoothAudioPortAidl> ptr;

        ::aidl::android::hardware::bluetooth::audio::PcmConfiguration pcmConfig;

    };



    ChildInterface<BluetoothA2dp>& getBtA2dp();

    ChildInterface<BluetoothLe>& getBtLe();

    BtProfileHandles getBtProfileManagerHandles();
@@ -40,6 +48,17 @@ class ModuleBluetooth final : public Module { 
    ndk::ScopedAStatus getMicMute(bool* _aidl_return) override;

    ndk::ScopedAStatus setMicMute(bool in_mute) override;



    ndk::ScopedAStatus setAudioPortConfig(

            const ::aidl::android::media::audio::common::AudioPortConfig& in_requested,

            ::aidl::android::media::audio::common::AudioPortConfig* out_suggested,

            bool* _aidl_return) override;



    ndk::ScopedAStatus checkAudioPatchEndpointsMatch(

            const std::vector<::aidl::android::media::audio::common::AudioPortConfig*>& sources,

            const std::vector<::aidl::android::media::audio::common::AudioPortConfig*>& sinks)

            override;

    void onExternalDeviceConnectionChanged(

            const ::aidl::android::media::audio::common::AudioPort& audioPort, bool connected);

    ndk::ScopedAStatus createInputStream(

            StreamContext&& context,

            const ::aidl::android::hardware::audio::common::SinkMetadata& sinkMetadata,
@@ -56,9 +75,20 @@ class ModuleBluetooth final : public Module { 
            int32_t nextPortId) override;

    ndk::ScopedAStatus onMasterMuteChanged(bool mute) override;

    ndk::ScopedAStatus onMasterVolumeChanged(float volume) override;

    int32_t getNominalLatencyMs(

            const ::aidl::android::media::audio::common::AudioPortConfig& portConfig) override;



    ndk::ScopedAStatus createProxy(

            const ::aidl::android::media::audio::common::AudioPort& audioPort,

            int32_t instancePortId, CachedProxy& proxy);

    ndk::ScopedAStatus fetchAndCheckProxy(const StreamContext& context, CachedProxy& proxy);

    ndk::ScopedAStatus findOrCreateProxy(

            const ::aidl::android::media::audio::common::AudioPort& audioPort, CachedProxy& proxy);



    ChildInterface<BluetoothA2dp> mBluetoothA2dp;

    ChildInterface<BluetoothLe> mBluetoothLe;

    std::map<int32_t /*instantiated device port ID*/, CachedProxy> mProxies;

    std::map<int32_t /*mix port handle*/, int32_t /*instantiated device port ID*/> mConnections;

};



}  // namespace aidl::android::hardware::audio::core