Merge "AIDL effect: Add ashmem buffer implementation in libaudiohal" (e832464a) · Commits · e / devices / smdk4412 / android_frameworks_av

media/libaudiohal/impl/EffectBufferHalAidl.cpp

+49 −6

Original line number	Diff line number	Diff line
		@@ -14,26 +14,39 @@
		* limitations under the License.
		*/

		#include <algorithm>
		#include <cstdint>
		#include <cstring>
		#include <sys/mman.h>
		#define LOG_TAG "EffectBufferHalAidl"
		//#define LOG_NDEBUG 0

		#include <cutils/ashmem.h>
		#include <utils/Log.h>

		#include "EffectBufferHalAidl.h"

		using ndk::ScopedFileDescriptor;

		namespace android {
		namespace effect {

		// static
		status_t EffectBufferHalAidl::allocate(size_t size, sp<EffectBufferHalInterface>* buffer) {
		ALOGE("%s not implemented yet %zu %p", __func__, size, buffer);
		return mirror(nullptr, size, buffer);
		}

		status_t EffectBufferHalAidl::mirror(void* external, size_t size,
		sp<EffectBufferHalInterface>* buffer) {
		// buffer->setExternalData(external);
		ALOGW("%s not implemented yet %p %zu %p", __func__, external, size, buffer);
		sp<EffectBufferHalAidl> tempBuffer = new EffectBufferHalAidl(size);
		status_t status = tempBuffer.get()->init();
		if (status != OK) {
		ALOGE("%s init failed %d", __func__, status);
		return status;
		}

		tempBuffer->setExternalData(external);
		*buffer = tempBuffer;
		return OK;
		}

		@@ -48,7 +61,22 @@ EffectBufferHalAidl::~EffectBufferHalAidl() {
		}

		status_t EffectBufferHalAidl::init() {
		ALOGW("%s not implemented yet", __func__);
		int fd = ashmem_create_region("audioEffectAidl", mBufferSize);
		if (fd < 0) {
		ALOGE("%s create ashmem failed %d", __func__, fd);
		return fd;
		}

		ScopedFileDescriptor tempFd(fd);
		mAudioBuffer.raw = mmap(nullptr /* address /, mBufferSize / length */, PROT_READ \| PROT_WRITE,
		MAP_SHARED, fd, 0 /* offset */);
		if (mAudioBuffer.raw == MAP_FAILED) {
		ALOGE("mmap failed for fd %d", fd);
		mAudioBuffer.raw = nullptr;
		return INVALID_OPERATION;
		}

		mMemory = {std::move(tempFd), static_cast<int64_t>(mBufferSize)};
		return OK;
		}

		@@ -76,11 +104,26 @@ void EffectBufferHalAidl::setExternalData(void* external) {
		}

		void EffectBufferHalAidl::update() {
		ALOGW("%s not implemented yet", __func__);
		update(mBufferSize);
		}

		void EffectBufferHalAidl::commit() {
		ALOGW("%s not implemented yet", __func__);
		commit(mBufferSize);
		}

		void EffectBufferHalAidl::copy(void* dst, const void* src, size_t n) const {
		if (!dst \|\| !src) {
		return;
		}
		std::memcpy(dst, src, std::min(n, mBufferSize));
		}

		void EffectBufferHalAidl::update(size_t n) {
		copy(mAudioBuffer.raw, mExternalData, n);
		}

		void EffectBufferHalAidl::commit(size_t n) {
		copy(mExternalData, mAudioBuffer.raw, n);
		}

		} // namespace effect

media/libaudiohal/impl/EffectBufferHalAidl.h

+5 −1

Original line number	Diff line number	Diff line
		@@ -16,6 +16,8 @@

		#pragma once

		#include <aidl/android/hardware/common/Ashmem.h>

		#include <media/audiohal/EffectBufferHalInterface.h>
		#include <system/audio_effect.h>

		@@ -44,16 +46,18 @@ class EffectBufferHalAidl : public EffectBufferHalInterface {
		private:
		friend class EffectBufferHalInterface;

		// buffer size in bytes
		const size_t mBufferSize;
		bool mFrameCountChanged;
		void* mExternalData;
		aidl::android::hardware::common::Ashmem mMemory;
		audio_buffer_t mAudioBuffer;

		// Can not be constructed directly by clients.
		explicit EffectBufferHalAidl(size_t size);

		~EffectBufferHalAidl();

		void copy(void* dst, const void* src, size_t n) const;
		status_t init();
		};

media/libaudiohal/impl/EffectConversionHelperAidl.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -30,6 +30,10 @@ class EffectConversionHelperAidl {
		status_t handleCommand(uint32_t cmdCode, uint32_t cmdSize, void* pCmdData, uint32_t* replySize,
		void* pReplyData);
		virtual ~EffectConversionHelperAidl() {}
		const ::aidl::android::hardware::audio::effect::IEffect::OpenEffectReturn&
		getEffectReturnParam() const {
		return mOpenReturn;
		}

		protected:
		const int32_t mSessionId;

media/libaudiohal/impl/EffectHalAidl.cpp

+63 −16

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

		#include <cstddef>
		#define LOG_TAG "EffectHalAidl"
		//#define LOG_NDEBUG 0

		@@ -136,24 +137,51 @@ status_t EffectHalAidl::createAidlConversion(
		}

		status_t EffectHalAidl::setInBuffer(const sp<EffectBufferHalInterface>& buffer) {
		if (buffer == nullptr) {
		return BAD_VALUE;
		}
		ALOGW("%s not implemented yet", __func__);
		mInBuffer = buffer;
		return OK;
		}

		status_t EffectHalAidl::setOutBuffer(const sp<EffectBufferHalInterface>& buffer) {
		if (buffer == nullptr) {
		return BAD_VALUE;
		}
		ALOGW("%s not implemented yet", __func__);
		mOutBuffer = buffer;
		return OK;
		}


		// write to input FMQ here, wait for statusMQ STATUS_OK, and read from output FMQ
		status_t EffectHalAidl::process() {
		ALOGW("%s not implemented yet", __func__);
		// write to input FMQ here, and wait for statusMQ STATUS_OK
		size_t available = mInputQ->availableToWrite();
		size_t floatsToWrite = std::min(available, mInBuffer->getSize() / sizeof(float));
		if (floatsToWrite == 0) {
		ALOGW("%s not able to write, floats in buffer %zu, space in FMQ %zu", __func__,
		mInBuffer->getSize() / sizeof(float), available);
		return INVALID_OPERATION;
		}
		if (!mInputQ->write((float*)mInBuffer->ptr(), floatsToWrite)) {
		ALOGW("%s failed to write %zu into inputQ", __func__, floatsToWrite);
		return INVALID_OPERATION;
		}

		IEffect::Status retStatus{};
		if (!mStatusQ->readBlocking(&retStatus, 1) \|\| retStatus.status != OK \|\|
		(size_t)retStatus.fmqConsumed != floatsToWrite \|\| retStatus.fmqProduced == 0) {
		ALOGW("%s read status failed: %s", __func__, retStatus.toString().c_str());
		return INVALID_OPERATION;
		}

		available = mOutputQ->availableToRead();
		size_t floatsToRead = std::min(available, mOutBuffer->getSize() / sizeof(float));
		if (floatsToRead == 0) {
		ALOGW("%s not able to read, buffer space %zu, floats in FMQ %zu", __func__,
		mOutBuffer->getSize() / sizeof(float), available);
		return INVALID_OPERATION;
		}
		if (!mOutputQ->read((float*)mOutBuffer->ptr(), floatsToRead)) {
		ALOGW("%s failed to read %zu from outputQ", __func__, floatsToRead);
		return INVALID_OPERATION;
		}

		ALOGD("%s %s consumed %zu produced %zu", __func__, mDesc.common.name.c_str(), floatsToWrite,
		floatsToRead);
		return OK;
		}

		@@ -165,14 +193,32 @@ status_t EffectHalAidl::processReverse() {

		status_t EffectHalAidl::command(uint32_t cmdCode, uint32_t cmdSize, void* pCmdData,
		uint32_t* replySize, void* pReplyData) {
		return mConversion
		? mConversion->handleCommand(cmdCode, cmdSize, pCmdData, replySize, pReplyData)
		: INVALID_OPERATION;
		TIME_CHECK();
		if (!mConversion) {
		ALOGE("%s can not handle command %d when conversion not exist", __func__, cmdCode);
		return INVALID_OPERATION;
		}

		status_t ret = mConversion->handleCommand(cmdCode, cmdSize, pCmdData, replySize, pReplyData);
		// update FMQs when effect open successfully
		if (ret == OK && cmdCode == EFFECT_CMD_INIT) {
		const auto& retParam = mConversion->getEffectReturnParam();
		mStatusQ = std::make_unique<StatusMQ>(retParam.statusMQ);
		mInputQ = std::make_unique<DataMQ>(retParam.inputDataMQ);
		mOutputQ = std::make_unique<DataMQ>(retParam.outputDataMQ);
		if (!mStatusQ->isValid() \|\| !mInputQ->isValid() \|\| !mOutputQ->isValid()) {
		ALOGE("%s return with invalid FMQ", __func__);
		return NO_INIT;
		}
		}

		return ret;
		}

		status_t EffectHalAidl::getDescriptor(effect_descriptor_t* pDescriptor) {
		ALOGW("%s %p", __func__, pDescriptor);
		TIME_CHECK();
		if (pDescriptor == nullptr) {
		ALOGE("%s null descriptor pointer", __func__);
		return BAD_VALUE;
		}
		Descriptor aidlDesc;
		@@ -184,12 +230,13 @@ status_t EffectHalAidl::getDescriptor(effect_descriptor_t* pDescriptor) {
		}

		status_t EffectHalAidl::close() {
		TIME_CHECK();
		return statusTFromBinderStatus(mEffect->close());
		}

		status_t EffectHalAidl::dump(int fd) {
		ALOGW("%s not implemented yet, fd %d", __func__, fd);
		return OK;
		TIME_CHECK();
		return mEffect->dump(fd, nullptr, 0);
		}

		} // namespace effect

media/libaudiohal/impl/EffectHalAidl.h

+14 −1

Original line number	Diff line number	Diff line
		@@ -16,11 +16,13 @@

		#pragma once

		#include <memory>

		#include <aidl/android/hardware/audio/effect/IEffect.h>
		#include <aidl/android/hardware/audio/effect/IFactory.h>
		#include <fmq/AidlMessageQueue.h>
		#include <media/audiohal/EffectHalInterface.h>
		#include <system/audio_effect.h>
		#include <memory>

		#include "EffectConversionHelperAidl.h"

		@@ -29,6 +31,12 @@ namespace effect {

		class EffectHalAidl : public EffectHalInterface {
		public:
		using StatusMQ = ::android::AidlMessageQueue<
		::aidl::android::hardware::audio::effect::IEffect::Status,
		::aidl::android::hardware::common::fmq::SynchronizedReadWrite>;
		using DataMQ = ::android::AidlMessageQueue<
		float, ::aidl::android::hardware::common::fmq::SynchronizedReadWrite>;

		// Set the input buffer.
		status_t setInBuffer(const sp<EffectBufferHalInterface>& buffer) override;

		@@ -63,6 +71,9 @@ class EffectHalAidl : public EffectHalInterface {
		return mEffect;
		}

		// for TIME_CHECK
		const std::string getClassName() const { return "EffectHalAidl"; }

		private:
		friend class sp<EffectHalAidl>;

		@@ -73,6 +84,8 @@ class EffectHalAidl : public EffectHalInterface {
		const int32_t mIoId;
		const ::aidl::android::hardware::audio::effect::Descriptor mDesc;
		std::unique_ptr<EffectConversionHelperAidl> mConversion;
		std::unique_ptr<StatusMQ> mStatusQ;
		std::unique_ptr<DataMQ> mInputQ, mOutputQ;

		sp<EffectBufferHalInterface> mInBuffer, mOutBuffer;
		effect_config_t mConfig;