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Commit 3a934a0a authored by Mikhail Naganov's avatar Mikhail Naganov Committed by Automerger Merge Worker
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audio: Allow Module subclasses to customize stream creation am: 9d16a6ac am:... 

audio: Allow Module subclasses to customize stream creation am: 9d16a6ac am: 7e18503e am: e3b125a2

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2639437



Change-Id: I670bb90ab160670bf8a9cac9cf8ea1b340981c91
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 78435405 e3b125a2

audio/aidl/default/Module.cpp

+20 −29
Original line number Diff line number Diff line
@@ -30,7 +30,6 @@ 
#include "core-impl/ModuleUsb.h"

#include "core-impl/SoundDose.h"

#include "core-impl/StreamStub.h"

#include "core-impl/StreamUsb.h"

#include "core-impl/Telephony.h"

#include "core-impl/utils.h"
@@ -119,30 +118,6 @@ std::shared_ptr<Module> Module::createInstance(Type type) { 
    }

}



// static

StreamIn::CreateInstance Module::getStreamInCreator(Type type) {

    switch (type) {

        case Type::USB:

            return StreamInUsb::createInstance;

        case Type::DEFAULT:

        case Type::R_SUBMIX:

        default:

            return StreamInStub::createInstance;

    }

}



// static

StreamOut::CreateInstance Module::getStreamOutCreator(Type type) {

    switch (type) {

        case Type::USB:

            return StreamOutUsb::createInstance;

        case Type::DEFAULT:

        case Type::R_SUBMIX:

        default:

            return StreamOutStub::createInstance;

    }

}



std::ostream& operator<<(std::ostream& os, Module::Type t) {

    switch (t) {

        case Module::Type::DEFAULT:
@@ -687,7 +662,7 @@ ndk::ScopedAStatus Module::openInputStream(const OpenInputStreamArguments& in_ar 
                                               nullptr, nullptr, &context));

    context.fillDescriptor(&_aidl_return->desc);

    std::shared_ptr<StreamIn> stream;

    RETURN_STATUS_IF_ERROR(getStreamInCreator(mType)(in_args.sinkMetadata, std::move(context),

    RETURN_STATUS_IF_ERROR(createInputStream(in_args.sinkMetadata, std::move(context),

                                             mConfig->microphones, &stream));

    StreamWrapper streamWrapper(stream);

    if (auto patchIt = mPatches.find(in_args.portConfigId); patchIt != mPatches.end()) {
@@ -733,7 +708,7 @@ ndk::ScopedAStatus Module::openOutputStream(const OpenOutputStreamArguments& in_ 
                                               in_args.eventCallback, &context));

    context.fillDescriptor(&_aidl_return->desc);

    std::shared_ptr<StreamOut> stream;

    RETURN_STATUS_IF_ERROR(getStreamOutCreator(mType)(in_args.sourceMetadata, std::move(context),

    RETURN_STATUS_IF_ERROR(createOutputStream(in_args.sourceMetadata, std::move(context),

                                              in_args.offloadInfo, &stream));

    StreamWrapper streamWrapper(stream);

    if (auto patchIt = mPatches.find(in_args.portConfigId); patchIt != mPatches.end()) {
@@ -1346,6 +1321,22 @@ bool Module::isMmapSupported() { 
    return mIsMmapSupported.value();

}



ndk::ScopedAStatus Module::createInputStream(const SinkMetadata& sinkMetadata,

                                             StreamContext&& context,

                                             const std::vector<MicrophoneInfo>& microphones,

                                             std::shared_ptr<StreamIn>* result) {

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

                                              microphones);

}



ndk::ScopedAStatus Module::createOutputStream(const SourceMetadata& sourceMetadata,

                                              StreamContext&& context,

                                              const std::optional<AudioOffloadInfo>& offloadInfo,

                                              std::shared_ptr<StreamOut>* result) {

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

                                               offloadInfo);

}



ndk::ScopedAStatus Module::populateConnectedDevicePort(AudioPort* audioPort __unused) {

    LOG(VERBOSE) << __func__ << ": do nothing and return ok";

    return ndk::ScopedAStatus::ok();

audio/aidl/default/StreamStub.cpp

+0 −28
Original line number Diff line number Diff line
@@ -87,38 +87,10 @@ StreamStub::StreamStub(const Metadata& metadata, StreamContext&& context) 


void StreamStub::shutdown() {}



// static

ndk::ScopedAStatus StreamInStub::createInstance(const SinkMetadata& sinkMetadata,

                                                StreamContext&& context,

                                                const std::vector<MicrophoneInfo>& microphones,

                                                std::shared_ptr<StreamIn>* result) {

    std::shared_ptr<StreamIn> stream =

            ndk::SharedRefBase::make<StreamInStub>(sinkMetadata, std::move(context), microphones);

    if (auto status = stream->initInstance(stream); !status.isOk()) {

        return status;

    }

    *result = std::move(stream);

    return ndk::ScopedAStatus::ok();

}



StreamInStub::StreamInStub(const SinkMetadata& sinkMetadata, StreamContext&& context,

                           const std::vector<MicrophoneInfo>& microphones)

    : StreamStub(sinkMetadata, std::move(context)), StreamIn(microphones) {}



// static

ndk::ScopedAStatus StreamOutStub::createInstance(const SourceMetadata& sourceMetadata,

                                                 StreamContext&& context,

                                                 const std::optional<AudioOffloadInfo>& offloadInfo,

                                                 std::shared_ptr<StreamOut>* result) {

    std::shared_ptr<StreamOut> stream = ndk::SharedRefBase::make<StreamOutStub>(

            sourceMetadata, std::move(context), offloadInfo);

    if (auto status = stream->initInstance(stream); !status.isOk()) {

        return status;

    }

    *result = std::move(stream);

    return ndk::ScopedAStatus::ok();

}



StreamOutStub::StreamOutStub(const SourceMetadata& sourceMetadata, StreamContext&& context,

                             const std::optional<AudioOffloadInfo>& offloadInfo)

    : StreamStub(sourceMetadata, std::move(context)), StreamOut(offloadInfo) {}

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

+13 −4
Original line number Diff line number Diff line
@@ -33,11 +33,9 @@ class Module : public BnModule { 
    static constexpr int32_t kLatencyMs = 10;

    enum Type : int { DEFAULT, R_SUBMIX, USB };



    explicit Module(Type type) : mType(type) {}



    static std::shared_ptr<Module> createInstance(Type type);

    static StreamIn::CreateInstance getStreamInCreator(Type type);

    static StreamOut::CreateInstance getStreamOutCreator(Type type);



    explicit Module(Type type) : mType(type) {}



  protected:

    // The vendor extension done via inheritance can override interface methods and augment
@@ -182,6 +180,17 @@ class Module : public BnModule { 
  protected:

    // The following virtual functions are intended for vendor extension via inheritance.



    virtual ndk::ScopedAStatus createInputStream(

            const ::aidl::android::hardware::audio::common::SinkMetadata& sinkMetadata,

            StreamContext&& context,

            const std::vector<::aidl::android::media::audio::common::MicrophoneInfo>& microphones,

            std::shared_ptr<StreamIn>* result);

    virtual ndk::ScopedAStatus createOutputStream(

            const ::aidl::android::hardware::audio::common::SourceMetadata& sourceMetadata,

            StreamContext&& context,

            const std::optional<::aidl::android::media::audio::common::AudioOffloadInfo>&

                    offloadInfo,

            std::shared_ptr<StreamOut>* result);

    // If the module is unable to populate the connected device port correctly, the returned error

    // code must correspond to the errors of `IModule.connectedExternalDevice` method.

    virtual ndk::ScopedAStatus populateConnectedDevicePort(

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

+11 −0
Original line number Diff line number Diff line
@@ -32,6 +32,17 @@ class ModuleUsb : public Module { 
    ndk::ScopedAStatus setMicMute(bool in_mute) override;



    // Module interfaces

    ndk::ScopedAStatus createInputStream(

            const ::aidl::android::hardware::audio::common::SinkMetadata& sinkMetadata,

            StreamContext&& context,

            const std::vector<::aidl::android::media::audio::common::MicrophoneInfo>& microphones,

            std::shared_ptr<StreamIn>* result) override;

    ndk::ScopedAStatus createOutputStream(

            const ::aidl::android::hardware::audio::common::SourceMetadata& sourceMetadata,

            StreamContext&& context,

            const std::optional<::aidl::android::media::audio::common::AudioOffloadInfo>&

                    offloadInfo,

            std::shared_ptr<StreamOut>* result) override;

    ndk::ScopedAStatus populateConnectedDevicePort(

            ::aidl::android::media::audio::common::AudioPort* audioPort) override;

    ndk::ScopedAStatus checkAudioPatchEndpointsMatch(

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

+14 −15
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ 
#include <variant>



#include <StreamWorker.h>

#include <Utils.h>

#include <aidl/android/hardware/audio/common/SinkMetadata.h>

#include <aidl/android/hardware/audio/common/SourceMetadata.h>

#include <aidl/android/hardware/audio/core/BnStreamCommon.h>
@@ -37,6 +38,7 @@ 
#include <aidl/android/media/audio/common/AudioIoFlags.h>

#include <aidl/android/media/audio/common/AudioOffloadInfo.h>

#include <aidl/android/media/audio/common/MicrophoneInfo.h>

#include <error/expected_utils.h>

#include <fmq/AidlMessageQueue.h>

#include <system/thread_defs.h>

#include <utils/Errors.h>
@@ -482,13 +484,6 @@ class StreamIn : virtual public StreamCommonInterface, public BnStreamIn { 
            const std::vector<::aidl::android::media::audio::common::MicrophoneInfo>& microphones);



    const std::map<::aidl::android::media::audio::common::AudioDevice, std::string> mMicrophones;



  public:

    using CreateInstance = std::function<ndk::ScopedAStatus(

            const ::aidl::android::hardware::audio::common::SinkMetadata& sinkMetadata,

            StreamContext&& context,

            const std::vector<::aidl::android::media::audio::common::MicrophoneInfo>& microphones,

            std::shared_ptr<StreamIn>* result)>;

};



class StreamOut : virtual public StreamCommonInterface, public BnStreamOut {
@@ -531,16 +526,20 @@ class StreamOut : virtual public StreamCommonInterface, public BnStreamOut { 


    std::optional<::aidl::android::media::audio::common::AudioOffloadInfo> mOffloadInfo;

    std::optional<::aidl::android::hardware::audio::common::AudioOffloadMetadata> mOffloadMetadata;



  public:

    using CreateInstance = std::function<ndk::ScopedAStatus(

            const ::aidl::android::hardware::audio::common::SourceMetadata& sourceMetadata,

            StreamContext&& context,

            const std::optional<::aidl::android::media::audio::common::AudioOffloadInfo>&

                    offloadInfo,

            std::shared_ptr<StreamOut>* result)>;

};



// The recommended way to create a stream instance.

// 'StreamImpl' is the concrete stream implementation, 'StreamInOrOut' is either 'StreamIn' or

// 'StreamOut', the rest are the arguments forwarded to the constructor of 'StreamImpl'.

template <class StreamImpl, class StreamInOrOut, class... Args>

ndk::ScopedAStatus createStreamInstance(std::shared_ptr<StreamInOrOut>* result, Args&&... args) {

    std::shared_ptr<StreamInOrOut> stream =

            ::ndk::SharedRefBase::make<StreamImpl>(std::forward<Args>(args)...);

    RETURN_STATUS_IF_ERROR(stream->initInstance(stream));

    *result = std::move(stream);

    return ndk::ScopedAStatus::ok();

}



class StreamWrapper {

  public:

    explicit StreamWrapper(const std::shared_ptr<StreamIn>& streamIn)