Merge "Refine EffectProxy logic" into udc-qpr-dev (e5490631) · Commits · e / os / android_frameworks_av

media/libaudiohal/impl/EffectConversionHelperAidl.cpp

+25 −14

Original line number	Diff line number	Diff line
		@@ -14,6 +14,7 @@
		* limitations under the License.
		*/

		#include <csignal>
		#include <cstddef>
		#include <cstdint>
		#include <cstring>
		@@ -194,11 +195,9 @@ status_t EffectConversionHelperAidl::handleSetConfig(uint32_t cmdSize, const voi
		statusTFromBinderStatus(mEffect->open(common, std::nullopt, &openReturn)));

		if (mIsProxyEffect) {
		const auto& ret =
		std::static_pointer_cast<EffectProxy>(mEffect)->getEffectReturnParam();
		mStatusQ = std::make_shared<StatusMQ>(ret->statusMQ);
		mInputQ = std::make_shared<DataMQ>(ret->inputDataMQ);
		mOutputQ = std::make_shared<DataMQ>(ret->outputDataMQ);
		mStatusQ = std::static_pointer_cast<EffectProxy>(mEffect)->getStatusMQ();
		mInputQ = std::static_pointer_cast<EffectProxy>(mEffect)->getInputMQ();
		mOutputQ = std::static_pointer_cast<EffectProxy>(mEffect)->getOutputMQ();
		} else {
		mStatusQ = std::make_shared<StatusMQ>(openReturn.statusMQ);
		mInputQ = std::make_shared<DataMQ>(openReturn.inputDataMQ);
		@@ -206,6 +205,7 @@ status_t EffectConversionHelperAidl::handleSetConfig(uint32_t cmdSize, const voi
		}

		if (status_t status = updateEventFlags(); status != OK) {
		ALOGV("%s closing at status %d", __func__, status);
		mEffect->close();
		return status;
		}
		@@ -353,14 +353,15 @@ status_t EffectConversionHelperAidl::handleSetOffload(uint32_t cmdSize, const vo
		ALOGI("%s offload param offload %s ioHandle %d", __func__,
		offload->isOffload ? "true" : "false", offload->ioHandle);
		mCommon.ioHandle = offload->ioHandle;
		RETURN_STATUS_IF_ERROR(statusTFromBinderStatus(
		std::static_pointer_cast<EffectProxy>(mEffect)->setOffloadParam(offload)));
		// update FMQs
		const auto& ret = std::static_pointer_cast<EffectProxy>(mEffect)->getEffectReturnParam();
		mStatusQ = std::make_shared<StatusMQ>(ret->statusMQ);
		mInputQ = std::make_shared<DataMQ>(ret->inputDataMQ);
		mOutputQ = std::make_shared<DataMQ>(ret->outputDataMQ);
		RETURN_STATUS_IF_ERROR(updateEventFlags());
		const auto& effectProxy = std::static_pointer_cast<EffectProxy>(mEffect);
		RETURN_STATUS_IF_ERROR(statusTFromBinderStatus(effectProxy->setOffloadParam(offload)));
		// update FMQs if the effect instance already open
		if (State state; effectProxy->getState(&state).isOk() && state != State::INIT) {
		mStatusQ = effectProxy->getStatusMQ();
		mInputQ = effectProxy->getInputMQ();
		mOutputQ = effectProxy->getOutputMQ();
		updateEventFlags();
		}
		}
		return static_cast<int32_t>(pReplyData) = OK;
		}
		@@ -408,17 +409,27 @@ status_t EffectConversionHelperAidl::handleVisualizerMeasure(uint32_t cmdSize __
		status_t EffectConversionHelperAidl::updateEventFlags() {
		status_t status = BAD_VALUE;
		EventFlag* efGroup = nullptr;
		if (mStatusQ->isValid()) {
		if (mStatusQ && mStatusQ->isValid()) {
		status = EventFlag::createEventFlag(mStatusQ->getEventFlagWord(), &efGroup);
		if (status != OK \|\| !efGroup) {
		ALOGE("%s: create EventFlagGroup failed, ret %d, egGroup %p", __func__, status,
		efGroup);
		status = (status == OK) ? BAD_VALUE : status;
		}
		} else if (isBypassing()) {
		// for effect with bypass (no processing) flag, it's okay to not have statusQ
		return OK;
		}

		mEfGroup.reset(efGroup, EventFlagDeleter());
		return status;
		}

		bool EffectConversionHelperAidl::isBypassing() const {
		return mEffect &&
		(mDesc.common.flags.bypass \|\|
		(mIsProxyEffect && std::static_pointer_cast<EffectProxy>(mEffect)->isBypassing()));
		}

		} // namespace effect
		} // namespace android

media/libaudiohal/impl/EffectConversionHelperAidl.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -41,6 +41,7 @@ class EffectConversionHelperAidl {
		std::shared_ptr<DataMQ> getInputMQ() { return mInputQ; }
		std::shared_ptr<DataMQ> getOutputMQ() { return mOutputQ; }
		std::shared_ptr<android::hardware::EventFlag> getEventFlagGroup() { return mEfGroup; }
		bool isBypassing() const;

		protected:
		const int32_t mSessionId;

media/libaudiohal/impl/EffectHalAidl.cpp

+9 −3

Original line number	Diff line number	Diff line
		@@ -74,9 +74,12 @@ EffectHalAidl::EffectHalAidl(const std::shared_ptr<IFactory>& factory,
		}

		EffectHalAidl::~EffectHalAidl() {
		if (mEffect) {
		mIsProxyEffect ? std::static_pointer_cast<EffectProxy>(mEffect)->destroy()
		: mFactory->destroyEffect(mEffect);
		if (mFactory && mEffect) {
		if (mIsProxyEffect) {
		std::static_pointer_cast<EffectProxy>(mEffect)->destroy();
		} else {
		mFactory->destroyEffect(mEffect);
		}
		}
		}

		@@ -166,6 +169,9 @@ status_t EffectHalAidl::process() {
		auto inputQ = mConversion->getInputMQ();
		auto outputQ = mConversion->getOutputMQ();
		auto efGroup = mConversion->getEventFlagGroup();
		if (mConversion->isBypassing()) {
		return OK;
		}
		if (!statusQ \|\| !statusQ->isValid() \|\| !inputQ \|\| !inputQ->isValid() \|\| !outputQ \|\|
		!outputQ->isValid() \|\| !efGroup) {
		ALOGE("%s invalid FMQ [Status %d I %d O %d] efGroup %p", __func__,

media/libaudiohal/impl/EffectProxy.cpp

+133 −127

Original line number	Diff line number	Diff line
		@@ -15,6 +15,7 @@
		*/

		#include <algorithm>
		#include <iterator>
		#include <memory>
		#define LOG_TAG "EffectProxy"
		// #define LOG_NDEBUG 0
		@@ -25,6 +26,7 @@

		#include "EffectProxy.h"

		using ::aidl::android::hardware::audio::effect::Capability;
		using ::aidl::android::hardware::audio::effect::CommandId;
		using ::aidl::android::hardware::audio::effect::Descriptor;
		using ::aidl::android::hardware::audio::effect::Flags;
		@@ -33,89 +35,39 @@ using ::aidl::android::hardware::audio::effect::IFactory;
		using ::aidl::android::hardware::audio::effect::Parameter;
		using ::aidl::android::hardware::audio::effect::State;
		using ::aidl::android::media::audio::common::AudioUuid;
		using ::android::audio::utils::toString;

		namespace android {
		namespace effect {

		EffectProxy::EffectProxy(const Descriptor::Identity& id, const std::shared_ptr<IFactory>& factory)
		: mIdentity([](const Descriptor::Identity& subId) {
		// update EffectProxy implementation UUID to the sub-effect proxy UUID
		ALOG_ASSERT(subId.proxy.has_value(), "Sub-effect Identity must have valid proxy UUID");
		Descriptor::Identity tempId = subId;
		tempId.uuid = subId.proxy.value();
		return tempId;
		}(id)),
		mFactory(factory) {}

		EffectProxy::~EffectProxy() {
		close();
		destroy();
		mSubEffects.clear();
		}

		// sub effect must have same proxy UUID as EffectProxy, and the type UUID must match.
		ndk::ScopedAStatus EffectProxy::addSubEffect(const Descriptor& sub) {
		ALOGV("%s: %s", __func__, toString(mIdentity.type).c_str());
		if (0 != mSubEffects.count(sub.common.id) \|\| !sub.common.id.proxy.has_value() \|\|
		sub.common.id.proxy.value() != mIdentity.uuid) {
		ALOGE("%s sub effect already exist or mismatch %s", __func__, sub.toString().c_str());
		return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
		"illegalSubEffect");
		}

		// not create sub-effect yet
		std::get<SubEffectTupleIndex::HANDLE>(mSubEffects[sub.common.id]) = nullptr;
		std::get<SubEffectTupleIndex::DESCRIPTOR>(mSubEffects[sub.common.id]) = sub;
		// set the last added sub-effect to active before setOffloadParam()
		mActiveSub = sub.common.id;
		ALOGI("%s add %s to proxy %s flag %s", __func__, mActiveSub.toString().c_str(),
		mIdentity.toString().c_str(), sub.common.flags.toString().c_str());

		if (sub.common.flags.hwAcceleratorMode == Flags::HardwareAccelerator::TUNNEL) {
		mSubFlags.hwAcceleratorMode = Flags::HardwareAccelerator::TUNNEL;
		}

		// initial flag values before we know which sub-effect to active (with setOffloadParam)
		// same as HIDL EffectProxy flags
		mSubFlags.type = Flags::Type::INSERT;
		mSubFlags.insert = Flags::Insert::LAST;
		mSubFlags.volume = Flags::Volume::CTRL;
		namespace android::effect {

		// set indication if any sub-effect indication was set
		mSubFlags.offloadIndication \|= sub.common.flags.offloadIndication;
		mSubFlags.deviceIndication \|= sub.common.flags.deviceIndication;
		mSubFlags.audioModeIndication \|= sub.common.flags.audioModeIndication;
		mSubFlags.audioSourceIndication \|= sub.common.flags.audioSourceIndication;

		// set bypass when all sub-effects are bypassing
		mSubFlags.bypass &= sub.common.flags.bypass;
		return ndk::ScopedAStatus::ok();
		}

		ndk::ScopedAStatus EffectProxy::create() {
		ALOGV("%s: %s", __func__, toString(mIdentity.type).c_str());
		EffectProxy::EffectProxy(const AudioUuid& uuid, const std::vector<Descriptor>& descriptors,
		const std::shared_ptr<IFactory>& factory)
		: mDescriptorCommon(buildDescriptorCommon(uuid, descriptors)),
		mSubEffects(
		[](const std::vector<Descriptor>& descs, const std::shared_ptr<IFactory>& factory) {
		std::vector<SubEffect> subEffects;
		ALOG_ASSERT(factory, "invalid EffectFactory handle");
		ndk::ScopedAStatus status = ndk::ScopedAStatus::ok();

		for (auto& sub : mSubEffects) {
		auto& effectHandle = std::get<SubEffectTupleIndex::HANDLE>(sub.second);
		ALOGI("%s sub-effect %s", __func__, toString(sub.first.uuid).c_str());
		status = mFactory->createEffect(sub.first.uuid, &effectHandle);
		if (!status.isOk() \|\| !effectHandle) {
		ALOGE("%s sub-effect failed %s", __func__, toString(sub.first.uuid).c_str());
		break;
		for (const auto& desc : descs) {
		SubEffect sub({.descriptor = desc});
		status = factory->createEffect(desc.common.id.uuid, &sub.handle);
		if (!status.isOk() \|\| !sub.handle) {
		ALOGW("%s create sub-effect %s failed", __func__,
		::android::audio::utils::toString(desc.common.id.uuid).c_str());
		}
		subEffects.emplace_back(sub);
		}
		return subEffects;
		}(descriptors, factory)),
		mFactory(factory) {}

		// destroy all created effects if failure
		if (!status.isOk()) {
		EffectProxy::~EffectProxy() {
		close();
		destroy();
		}
		return status;
		mSubEffects.clear();
		}

		ndk::ScopedAStatus EffectProxy::destroy() {
		ALOGV("%s: %s", __func__, toString(mIdentity.type).c_str());
		ALOGV("%s: %s", __func__,
		::android::audio::utils::toString(mDescriptorCommon.id.type).c_str());
		return runWithAllSubEffects([&](std::shared_ptr<IEffect>& effect) {
		ndk::ScopedAStatus status = mFactory->destroyEffect(effect);
		if (status.isOk()) {
		@@ -125,28 +77,24 @@ ndk::ScopedAStatus EffectProxy::destroy() {
		});
		}

		const IEffect::OpenEffectReturn* EffectProxy::getEffectReturnParam() {
		return &std::get<SubEffectTupleIndex::RETURN>(mSubEffects[mActiveSub]);
		}

		ndk::ScopedAStatus EffectProxy::setOffloadParam(const effect_offload_param_t* offload) {
		const auto& itor = std::find_if(mSubEffects.begin(), mSubEffects.end(), [&](const auto& sub) {
		const auto& desc = std::get<SubEffectTupleIndex::DESCRIPTOR>(sub.second);
		ALOGI("%s: isOffload %d sub-effect: %s, flags %s", __func__, offload->isOffload,
		toString(desc.common.id.uuid).c_str(), desc.common.flags.toString().c_str());
		const auto& desc = sub.descriptor;
		return offload->isOffload ==
		(desc.common.flags.hwAcceleratorMode == Flags::HardwareAccelerator::TUNNEL);
		});
		if (itor == mSubEffects.end()) {
		ALOGE("%s no %soffload sub-effect found", __func__, offload->isOffload ? "" : "non-");
		mActiveSubIdx = 0;
		return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_NULL_POINTER,
		"noActiveEffctFound");
		}

		mActiveSub = itor->first;
		ALOGI("%s: active %soffload sub-effect: %s, flags %s", __func__,
		offload->isOffload ? "" : "non-", toString(mActiveSub.uuid).c_str(),
		std::get<SubEffectTupleIndex::DESCRIPTOR>(itor->second).common.flags.toString().c_str());
		mActiveSubIdx = std::distance(mSubEffects.begin(), itor);
		ALOGV("%s: active %soffload sub-effect %zu descriptor: %s", __func__,
		offload->isOffload ? "" : "non-", mActiveSubIdx,
		::android::audio::utils::toString(mSubEffects[mActiveSubIdx].descriptor.common.id.uuid)
		.c_str());
		return ndk::ScopedAStatus::ok();
		}

		@@ -154,20 +102,24 @@ ndk::ScopedAStatus EffectProxy::setOffloadParam(const effect_offload_param_t* of
		ndk::ScopedAStatus EffectProxy::open(const Parameter::Common& common,
		const std::optional<Parameter::Specific>& specific,
		IEffect::OpenEffectReturn* ret __unused) {
		ALOGV("%s: %s", __func__, toString(mIdentity.type).c_str());
		ndk::ScopedAStatus status = ndk::ScopedAStatus::fromExceptionCodeWithMessage(
		EX_ILLEGAL_ARGUMENT, "nullEffectHandle");
		for (auto& sub : mSubEffects) {
		auto& effect = std::get<SubEffectTupleIndex::HANDLE>(sub.second);
		auto& openRet = std::get<SubEffectTupleIndex::RETURN>(sub.second);
		if (!effect \|\| !(status = effect->open(common, specific, &openRet)).isOk()) {
		ALOGE("%s: failed to open UUID %s", __func__, toString(sub.first.uuid).c_str());
		IEffect::OpenEffectReturn openReturn;
		if (!sub.handle \|\| !(status = sub.handle->open(common, specific, &openReturn)).isOk()) {
		ALOGE("%s: failed to open %p UUID %s", __func__, sub.handle.get(),
		::android::audio::utils::toString(sub.descriptor.common.id.uuid).c_str());
		break;
		}
		sub.effectMq.statusQ = std::make_shared<StatusMQ>(openReturn.statusMQ);
		sub.effectMq.inputQ = std::make_shared<DataMQ>(openReturn.inputDataMQ);
		sub.effectMq.outputQ = std::make_shared<DataMQ>(openReturn.outputDataMQ);
		}

		// close all opened effects if failure
		if (!status.isOk()) {
		ALOGE("%s: closing all sub-effects with error %s", __func__,
		status.getDescription().c_str());
		close();
		}

		@@ -175,38 +127,68 @@ ndk::ScopedAStatus EffectProxy::open(const Parameter::Common& common,
		}

		ndk::ScopedAStatus EffectProxy::close() {
		ALOGV("%s: %s", __func__, toString(mIdentity.type).c_str());
		return runWithAllSubEffects([&](std::shared_ptr<IEffect>& effect) {
		return effect->close();
		});
		}

		ndk::ScopedAStatus EffectProxy::getDescriptor(Descriptor* desc) {
		desc->common = mDescriptorCommon;
		desc->capability = mSubEffects[mActiveSubIdx].descriptor.capability;
		return ndk::ScopedAStatus::ok();
		}

		ndk::ScopedAStatus EffectProxy::buildDescriptor(const AudioUuid& uuid,
		const std::vector<Descriptor>& subEffectDescs,
		Descriptor* desc) {
		if (!desc) {
		ALOGE("%s: nuull descriptor pointer", __func__);
		ALOGE("%s: null descriptor pointer", __func__);
		return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_NULL_POINTER, "nullptr");
		}

		auto& activeSubEffect = std::get<SubEffectTupleIndex::HANDLE>(mSubEffects[mActiveSub]);
		// return initial descriptor if no active sub-effect exist
		if (!activeSubEffect) {
		desc->common.id = mIdentity;
		desc->common.flags = mSubFlags;
		desc->common.name = "Proxy";
		desc->common.implementor = "AOSP";
		} else {
		*desc = std::get<SubEffectTupleIndex::DESCRIPTOR>(mSubEffects[mActiveSub]);
		desc->common.id = mIdentity;
		if (subEffectDescs.size() < 2) {
		ALOGE("%s: proxy need at least 2 sub-effects, got %zu", __func__, subEffectDescs.size());
		return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
		"needMoreSubEffects");
		}

		ALOGI("%s with %s", __func__, desc->toString().c_str());
		desc->common = buildDescriptorCommon(uuid, subEffectDescs);
		return ndk::ScopedAStatus::ok();
		}

		Descriptor::Common EffectProxy::buildDescriptorCommon(
		const AudioUuid& uuid, const std::vector<Descriptor>& subEffectDescs) {
		Descriptor::Common common;
		for (const auto& desc : subEffectDescs) {
		if (desc.common.flags.hwAcceleratorMode == Flags::HardwareAccelerator::TUNNEL) {
		common.flags.hwAcceleratorMode = Flags::HardwareAccelerator::TUNNEL;
		}

		// initial flag values before we know which sub-effect to active (with setOffloadParam)
		// same as HIDL EffectProxy flags
		common.flags.type = Flags::Type::INSERT;
		common.flags.insert = Flags::Insert::LAST;
		common.flags.volume = Flags::Volume::CTRL;

		// set indication if any sub-effect indication was set
		common.flags.offloadIndication \|= desc.common.flags.offloadIndication;
		common.flags.deviceIndication \|= desc.common.flags.deviceIndication;
		common.flags.audioModeIndication \|= desc.common.flags.audioModeIndication;
		common.flags.audioSourceIndication \|= desc.common.flags.audioSourceIndication;
		}

		// copy type UUID from any of sub-effects, all sub-effects should have same type
		common.id.type = subEffectDescs[0].common.id.type;
		// replace implementation UUID with proxy UUID.
		common.id.uuid = uuid;
		common.id.proxy = std::nullopt;
		common.name = "Proxy";
		common.implementor = "AOSP";
		return common;
		}

		// Handle with active sub-effect first, only send to other sub-effects when success
		ndk::ScopedAStatus EffectProxy::command(CommandId id) {
		ALOGV("%s: %s, command %s", __func__, toString(mIdentity.type).c_str(),
		android::internal::ToString(id).c_str());
		return runWithActiveSubEffectThenOthers(
		[&](const std::shared_ptr<IEffect>& effect) -> ndk::ScopedAStatus {
		return effect->command(id);
		@@ -241,34 +223,30 @@ ndk::ScopedAStatus EffectProxy::runWithActiveSubEffectThenOthers(
		std::function<ndk::ScopedAStatus(const std::shared_ptr<IEffect>&)> const& func) {
		ndk::ScopedAStatus status = runWithActiveSubEffect(func);
		if (!status.isOk()) {
		return status;
		ALOGE("%s active sub-effect return error %s", __func__, status.getDescription().c_str());
		}

		// proceed with others if active sub-effect success
		for (const auto& sub : mSubEffects) {
		auto& effect = std::get<SubEffectTupleIndex::HANDLE>(sub.second);
		if (sub.first != mActiveSub) {
		if (!effect) {
		// proceed with others
		for (size_t i = 0; i < mSubEffects.size() && i != mActiveSubIdx; i++) {
		if (!mSubEffects[i].handle) {
		ALOGE("%s null sub-effect interface for %s", __func__,
		sub.first.toString().c_str());
		mSubEffects[i].descriptor.common.id.uuid.toString().c_str());
		continue;
		}
		func(effect);
		}
		func(mSubEffects[i].handle);
		}
		return status;
		}

		ndk::ScopedAStatus EffectProxy::runWithActiveSubEffect(
		std::function<ndk::ScopedAStatus(const std::shared_ptr<IEffect>&)> const& func) {
		auto& effect = std::get<SubEffectTupleIndex::HANDLE>(mSubEffects[mActiveSub]);
		if (!effect) {
		if (!mSubEffects[mActiveSubIdx].handle) {
		ALOGE("%s null active sub-effect interface, active %s", __func__,
		mActiveSub.toString().c_str());
		mSubEffects[mActiveSubIdx].descriptor.toString().c_str());
		return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_NULL_POINTER,
		"activeSubEffectNull");
		}
		return func(effect);
		return func(mSubEffects[mActiveSubIdx].handle);
		}

		ndk::ScopedAStatus EffectProxy::runWithAllSubEffects(
		@@ -276,12 +254,11 @@ ndk::ScopedAStatus EffectProxy::runWithAllSubEffects(
		ndk::ScopedAStatus status = ndk::ScopedAStatus::ok();
		// proceed with others if active sub-effect success
		for (auto& sub : mSubEffects) {
		auto& effect = std::get<SubEffectTupleIndex::HANDLE>(sub.second);
		if (!effect) {
		ALOGW("%s null sub-effect interface for %s", __func__, sub.first.toString().c_str());
		if (!sub.handle) {
		ALOGW("%s null sub-effect interface %s", __func__, sub.descriptor.toString().c_str());
		continue;
		}
		ndk::ScopedAStatus temp = func(effect);
		ndk::ScopedAStatus temp = func(sub.handle);
		if (!temp.isOk()) {
		status = ndk::ScopedAStatus::fromStatus(temp.getStatus());
		}
		@@ -289,5 +266,34 @@ ndk::ScopedAStatus EffectProxy::runWithAllSubEffects(
		return status;
		}

		} // namespace effect
		} // namespace android
		bool EffectProxy::isBypassing() const {
		return mSubEffects[mActiveSubIdx].descriptor.common.flags.bypass;
		}

		binder_status_t EffectProxy::dump(int fd, const char** args, uint32_t numArgs) {
		const std::string dumpString = toString();
		write(fd, dumpString.c_str(), dumpString.size());

		return runWithAllSubEffects([&](std::shared_ptr<IEffect>& effect) {
		return ndk::ScopedAStatus::fromStatus(effect->dump(fd, args, numArgs));
		})
		.getStatus();
		}

		std::string EffectProxy::toString(size_t level) const {
		std::string prefixSpace(level, ' ');
		std::string ss = prefixSpace + "EffectProxy:\n";
		prefixSpace += " ";
		base::StringAppendF(&ss, "%sDescriptorCommon: %s\n", prefixSpace.c_str(),
		mDescriptorCommon.toString().c_str());
		base::StringAppendF(&ss, "%sActiveSubIdx: %zu\n", prefixSpace.c_str(), mActiveSubIdx);
		base::StringAppendF(&ss, "%sAllSubEffects:\n", prefixSpace.c_str());
		for (size_t i = 0; i < mSubEffects.size(); i++) {
		base::StringAppendF(&ss, "%s[%zu] - Handle: %p, %s\n", prefixSpace.c_str(), i,
		mSubEffects[i].handle ? mSubEffects[i].handle.get() : nullptr,
		mSubEffects[i].descriptor.toString().c_str());
		}
		return ss;
		}

		} // namespace android::effect

media/libaudiohal/impl/EffectProxy.h

+62 −41

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