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Commit 59df2f67 authored by Mikhail Naganov's avatar Mikhail Naganov
Browse files

aosp aidl bluetooth audio hal implementation 

Bug: 228804498
Test: atest VtsHalAudioCoreTargetTest
Change-Id: Id5fb60fe53ead9f5d2e6ecbb9988a23835cf2509
(cherry picked from commit b03b5c4a)
Merged-In: Id5fb60fe53ead9f5d2e6ecbb9988a23835cf2509
parent 4bb14a9c

audio/aidl/default/Android.bp

+7 −0
Original line number Diff line number Diff line
@@ -82,6 +82,9 @@ cc_library { 
        "alsa/ModuleAlsa.cpp",

        "alsa/StreamAlsa.cpp",

        "alsa/Utils.cpp",

        "bluetooth/DevicePortProxy.cpp",

        "bluetooth/ModuleBluetooth.cpp",

        "bluetooth/StreamBluetooth.cpp",

        "r_submix/ModuleRemoteSubmix.cpp",

        "r_submix/RemoteSubmixUtils.cpp",

        "r_submix/SubmixRoute.cpp",
@@ -105,7 +108,9 @@ cc_library { 
        "audio_policy_engine_configuration_aidl_default",

    ],

    shared_libs: [

        "android.hardware.bluetooth.audio-V3-ndk",

        "libaudio_aidl_conversion_common_ndk",

        "libbluetooth_audio_session_aidl",

        "libmedia_helper",

        "libstagefright_foundation",

    ],
@@ -136,7 +141,9 @@ cc_binary { 
        "libaudioserviceexampleimpl",

    ],

    shared_libs: [

        "android.hardware.bluetooth.audio-V3-ndk",

        "libaudio_aidl_conversion_common_ndk",

        "libbluetooth_audio_session_aidl",

        "libmedia_helper",

        "libstagefright_foundation",

    ],

audio/aidl/default/Configuration.cpp

+82 −0
Original line number Diff line number Diff line
@@ -561,4 +561,86 @@ std::unique_ptr<Configuration> getStubConfiguration() { 
    return std::make_unique<Configuration>(configuration);

}



// Bluetooth configuration:

//

// Device ports:

//  * "BT A2DP Out", OUT_DEVICE, CONNECTION_BT_A2DP

//    - profile PCM 16-bit; STEREO; 44100, 48000, 88200, 96000

//  * "BT A2DP Headphones", OUT_HEADSET, CONNECTION_BT_A2DP

//    - profile PCM 16-bit; STEREO; 44100, 48000, 88200, 96000

//  * "BT A2DP Speaker", OUT_SPEAKER, CONNECTION_BT_A2DP

//    - profile PCM 16-bit; STEREO; 44100, 48000, 88200, 96000

//  * "BT Hearing Aid Out", OUT_HEARING_AID, CONNECTION_WIRELESS

//    - no profiles specified

//

// Mix ports:

//  * "a2dp output", 1 max open, 1 max active stream

//    - no profiles specified

//  * "hearing aid output", 1 max open, 1 max active stream

//    - profile PCM 16-bit; STEREO; 16000, 24000

//

// Routes:

//  "a2dp output" -> "BT A2DP Out"

//  "a2dp output" -> "BT A2DP Headphones"

//  "a2dp output" -> "BT A2DP Speaker"

//  "hearing aid output" -> "BT Hearing Aid Out"

//

std::unique_ptr<Configuration> getBluetoothConfiguration() {

    static const Configuration configuration = []() {

        const std::vector<AudioProfile> standardPcmAudioProfiles = {

                createProfile(PcmType::INT_16_BIT, {AudioChannelLayout::LAYOUT_STEREO},

                              {44100, 48000, 88200, 96000})};

        Configuration c;



        // Device ports

        AudioPort btOutDevice =

                createPort(c.nextPortId++, "BT A2DP Out", 0, false,

                           createDeviceExt(AudioDeviceType::OUT_DEVICE, 0,

                                           AudioDeviceDescription::CONNECTION_BT_A2DP));

        c.ports.push_back(btOutDevice);

        c.connectedProfiles[btOutDevice.id] = standardPcmAudioProfiles;



        AudioPort btOutHeadphone =

                createPort(c.nextPortId++, "BT A2DP Headphones", 0, false,

                           createDeviceExt(AudioDeviceType::OUT_HEADSET, 0,

                                           AudioDeviceDescription::CONNECTION_BT_A2DP));

        c.ports.push_back(btOutHeadphone);

        c.connectedProfiles[btOutHeadphone.id] = standardPcmAudioProfiles;



        AudioPort btOutSpeaker =

                createPort(c.nextPortId++, "BT A2DP Speaker", 0, false,

                           createDeviceExt(AudioDeviceType::OUT_SPEAKER, 0,

                                           AudioDeviceDescription::CONNECTION_BT_A2DP));

        c.ports.push_back(btOutSpeaker);

        c.connectedProfiles[btOutSpeaker.id] = standardPcmAudioProfiles;



        AudioPort btOutHearingAid =

                createPort(c.nextPortId++, "BT Hearing Aid Out", 0, false,

                           createDeviceExt(AudioDeviceType::OUT_HEARING_AID, 0,

                                           AudioDeviceDescription::CONNECTION_WIRELESS));

        c.ports.push_back(btOutHearingAid);

        c.connectedProfiles[btOutHearingAid.id] = std::vector<AudioProfile>(

                {createProfile(PcmType::INT_16_BIT, {AudioChannelLayout::LAYOUT_STEREO}, {16000})});



        // Mix ports

        AudioPort btInMix =

                createPort(c.nextPortId++, "a2dp output", 0, true, createPortMixExt(1, 1));

        c.ports.push_back(btInMix);



        AudioPort btHeadsetInMix =

                createPort(c.nextPortId++, "hearing aid output", 0, true, createPortMixExt(1, 1));

        btHeadsetInMix.profiles.push_back(createProfile(

                PcmType::INT_16_BIT, {AudioChannelLayout::LAYOUT_STEREO}, {16000, 24000}));

        c.ports.push_back(btHeadsetInMix);



        c.routes.push_back(createRoute({btInMix}, btOutDevice));

        c.routes.push_back(createRoute({btInMix}, btOutHeadphone));

        c.routes.push_back(createRoute({btInMix}, btOutSpeaker));

        c.routes.push_back(createRoute({btHeadsetInMix}, btOutHearingAid));



        return c;

    }();

    return std::make_unique<Configuration>(configuration);

}



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

audio/aidl/default/Module.cpp

+9 −0
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ 
#include <error/expected_utils.h>



#include "core-impl/Module.h"

#include "core-impl/ModuleBluetooth.h"

#include "core-impl/ModulePrimary.h"

#include "core-impl/ModuleRemoteSubmix.h"

#include "core-impl/ModuleStub.h"
@@ -117,6 +118,8 @@ std::shared_ptr<Module> Module::createInstance(Type type) { 
            return ndk::SharedRefBase::make<ModuleStub>();

        case Type::USB:

            return ndk::SharedRefBase::make<ModuleUsb>();

        case Type::BLUETOOTH:

            return ndk::SharedRefBase::make<ModuleBluetooth>();

    }

}
@@ -134,6 +137,9 @@ std::ostream& operator<<(std::ostream& os, Module::Type t) { 
        case Module::Type::USB:

            os << "usb";

            break;

        case Module::Type::BLUETOOTH:

            os << "bluetooth";

            break;

    }

    return os;

}
@@ -301,6 +307,9 @@ std::unique_ptr<internal::Configuration> Module::initializeConfig() { 
        case Type::USB:

            config = std::move(internal::getUsbConfiguration());

            break;

        case Type::BLUETOOTH:

            config = std::move(internal::getBluetoothConfiguration());

            break;

    }

    return config;

}

audio/aidl/default/android.hardware.audio.service-aidl.xml

+5 −0
Original line number Diff line number Diff line
@@ -19,6 +19,11 @@ 
    <version>1</version>

    <fqname>IModule/usb</fqname>

  </hal>

  <hal format="aidl">

    <name>android.hardware.audio.core</name>

    <version>1</version>

    <fqname>IModule/bluetooth</fqname>

  </hal>

  <hal format="aidl">

    <name>android.hardware.audio.core</name>

    <version>1</version>

audio/aidl/default/bluetooth/DevicePortProxy.cpp

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