Audio V4: Copy 2.0 audiohal to 4.0
For easier review of the changes, first copy 2.0 to 4.0, the changes
are made in the following patch.
Bug: 38184704
Test: compile
Change-Id: I5bf16e5f8e7b61cc13e86c06b899ec4e6624a961
Signed-off-by: Kevin Rocard <krocard@google.com>
diff --git a/media/libaudiohal/4.0/EffectHalHidl.cpp b/media/libaudiohal/4.0/EffectHalHidl.cpp
new file mode 100644
index 0000000..4fb032c
--- /dev/null
+++ b/media/libaudiohal/4.0/EffectHalHidl.cpp
@@ -0,0 +1,338 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "EffectHalHidl"
+//#define LOG_NDEBUG 0
+
+#include <hwbinder/IPCThreadState.h>
+#include <media/EffectsFactoryApi.h>
+#include <utils/Log.h>
+
+#include "ConversionHelperHidl.h"
+#include "EffectBufferHalHidl.h"
+#include "EffectHalHidl.h"
+#include "HidlUtils.h"
+
+using ::android::hardware::audio::effect::V2_0::AudioBuffer;
+using ::android::hardware::audio::effect::V2_0::EffectBufferAccess;
+using ::android::hardware::audio::effect::V2_0::EffectConfigParameters;
+using ::android::hardware::audio::effect::V2_0::MessageQueueFlagBits;
+using ::android::hardware::audio::effect::V2_0::Result;
+using ::android::hardware::audio::common::V2_0::HidlUtils;
+using ::android::hardware::audio::common::V2_0::AudioChannelMask;
+using ::android::hardware::audio::common::V2_0::AudioFormat;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::MQDescriptorSync;
+using ::android::hardware::Return;
+
+namespace android {
+
+EffectHalHidl::EffectHalHidl(const sp<IEffect>& effect, uint64_t effectId)
+ : mEffect(effect), mEffectId(effectId), mBuffersChanged(true), mEfGroup(nullptr) {
+}
+
+EffectHalHidl::~EffectHalHidl() {
+ if (mEffect != 0) {
+ close();
+ mEffect.clear();
+ hardware::IPCThreadState::self()->flushCommands();
+ }
+ if (mEfGroup) {
+ EventFlag::deleteEventFlag(&mEfGroup);
+ }
+}
+
+// static
+void EffectHalHidl::effectDescriptorToHal(
+ const EffectDescriptor& descriptor, effect_descriptor_t* halDescriptor) {
+ HidlUtils::uuidToHal(descriptor.type, &halDescriptor->type);
+ HidlUtils::uuidToHal(descriptor.uuid, &halDescriptor->uuid);
+ halDescriptor->flags = static_cast<uint32_t>(descriptor.flags);
+ halDescriptor->cpuLoad = descriptor.cpuLoad;
+ halDescriptor->memoryUsage = descriptor.memoryUsage;
+ memcpy(halDescriptor->name, descriptor.name.data(), descriptor.name.size());
+ memcpy(halDescriptor->implementor,
+ descriptor.implementor.data(), descriptor.implementor.size());
+}
+
+// TODO(mnaganov): These buffer conversion functions should be shared with Effect wrapper
+// via HidlUtils. Move them there when hardware/interfaces will get un-frozen again.
+
+// static
+void EffectHalHidl::effectBufferConfigFromHal(
+ const buffer_config_t& halConfig, EffectBufferConfig* config) {
+ config->samplingRateHz = halConfig.samplingRate;
+ config->channels = AudioChannelMask(halConfig.channels);
+ config->format = AudioFormat(halConfig.format);
+ config->accessMode = EffectBufferAccess(halConfig.accessMode);
+ config->mask = EffectConfigParameters(halConfig.mask);
+}
+
+// static
+void EffectHalHidl::effectBufferConfigToHal(
+ const EffectBufferConfig& config, buffer_config_t* halConfig) {
+ halConfig->buffer.frameCount = 0;
+ halConfig->buffer.raw = NULL;
+ halConfig->samplingRate = config.samplingRateHz;
+ halConfig->channels = static_cast<uint32_t>(config.channels);
+ halConfig->bufferProvider.cookie = NULL;
+ halConfig->bufferProvider.getBuffer = NULL;
+ halConfig->bufferProvider.releaseBuffer = NULL;
+ halConfig->format = static_cast<uint8_t>(config.format);
+ halConfig->accessMode = static_cast<uint8_t>(config.accessMode);
+ halConfig->mask = static_cast<uint8_t>(config.mask);
+}
+
+// static
+void EffectHalHidl::effectConfigFromHal(const effect_config_t& halConfig, EffectConfig* config) {
+ effectBufferConfigFromHal(halConfig.inputCfg, &config->inputCfg);
+ effectBufferConfigFromHal(halConfig.outputCfg, &config->outputCfg);
+}
+
+// static
+void EffectHalHidl::effectConfigToHal(const EffectConfig& config, effect_config_t* halConfig) {
+ effectBufferConfigToHal(config.inputCfg, &halConfig->inputCfg);
+ effectBufferConfigToHal(config.outputCfg, &halConfig->outputCfg);
+}
+
+// static
+status_t EffectHalHidl::analyzeResult(const Result& result) {
+ switch (result) {
+ case Result::OK: return OK;
+ case Result::INVALID_ARGUMENTS: return BAD_VALUE;
+ case Result::INVALID_STATE: return NOT_ENOUGH_DATA;
+ case Result::NOT_INITIALIZED: return NO_INIT;
+ case Result::NOT_SUPPORTED: return INVALID_OPERATION;
+ case Result::RESULT_TOO_BIG: return NO_MEMORY;
+ default: return NO_INIT;
+ }
+}
+
+status_t EffectHalHidl::setInBuffer(const sp<EffectBufferHalInterface>& buffer) {
+ if (!mBuffersChanged) {
+ if (buffer.get() == nullptr || mInBuffer.get() == nullptr) {
+ mBuffersChanged = buffer.get() != mInBuffer.get();
+ } else {
+ mBuffersChanged = buffer->audioBuffer() != mInBuffer->audioBuffer();
+ }
+ }
+ mInBuffer = buffer;
+ return OK;
+}
+
+status_t EffectHalHidl::setOutBuffer(const sp<EffectBufferHalInterface>& buffer) {
+ if (!mBuffersChanged) {
+ if (buffer.get() == nullptr || mOutBuffer.get() == nullptr) {
+ mBuffersChanged = buffer.get() != mOutBuffer.get();
+ } else {
+ mBuffersChanged = buffer->audioBuffer() != mOutBuffer->audioBuffer();
+ }
+ }
+ mOutBuffer = buffer;
+ return OK;
+}
+
+status_t EffectHalHidl::process() {
+ return processImpl(static_cast<uint32_t>(MessageQueueFlagBits::REQUEST_PROCESS));
+}
+
+status_t EffectHalHidl::processReverse() {
+ return processImpl(static_cast<uint32_t>(MessageQueueFlagBits::REQUEST_PROCESS_REVERSE));
+}
+
+status_t EffectHalHidl::prepareForProcessing() {
+ std::unique_ptr<StatusMQ> tempStatusMQ;
+ Result retval;
+ Return<void> ret = mEffect->prepareForProcessing(
+ [&](Result r, const MQDescriptorSync<Result>& statusMQ) {
+ retval = r;
+ if (retval == Result::OK) {
+ tempStatusMQ.reset(new StatusMQ(statusMQ));
+ if (tempStatusMQ->isValid() && tempStatusMQ->getEventFlagWord()) {
+ EventFlag::createEventFlag(tempStatusMQ->getEventFlagWord(), &mEfGroup);
+ }
+ }
+ });
+ if (!ret.isOk() || retval != Result::OK) {
+ return ret.isOk() ? analyzeResult(retval) : FAILED_TRANSACTION;
+ }
+ if (!tempStatusMQ || !tempStatusMQ->isValid() || !mEfGroup) {
+ ALOGE_IF(!tempStatusMQ, "Failed to obtain status message queue for effects");
+ ALOGE_IF(tempStatusMQ && !tempStatusMQ->isValid(),
+ "Status message queue for effects is invalid");
+ ALOGE_IF(!mEfGroup, "Event flag creation for effects failed");
+ return NO_INIT;
+ }
+ mStatusMQ = std::move(tempStatusMQ);
+ return OK;
+}
+
+bool EffectHalHidl::needToResetBuffers() {
+ if (mBuffersChanged) return true;
+ bool inBufferFrameCountUpdated = mInBuffer->checkFrameCountChange();
+ bool outBufferFrameCountUpdated = mOutBuffer->checkFrameCountChange();
+ return inBufferFrameCountUpdated || outBufferFrameCountUpdated;
+}
+
+status_t EffectHalHidl::processImpl(uint32_t mqFlag) {
+ if (mEffect == 0 || mInBuffer == 0 || mOutBuffer == 0) return NO_INIT;
+ status_t status;
+ if (!mStatusMQ && (status = prepareForProcessing()) != OK) {
+ return status;
+ }
+ if (needToResetBuffers() && (status = setProcessBuffers()) != OK) {
+ return status;
+ }
+ // The data is already in the buffers, just need to flush it and wake up the server side.
+ std::atomic_thread_fence(std::memory_order_release);
+ mEfGroup->wake(mqFlag);
+ uint32_t efState = 0;
+retry:
+ status_t ret = mEfGroup->wait(
+ static_cast<uint32_t>(MessageQueueFlagBits::DONE_PROCESSING), &efState);
+ if (efState & static_cast<uint32_t>(MessageQueueFlagBits::DONE_PROCESSING)) {
+ Result retval = Result::NOT_INITIALIZED;
+ mStatusMQ->read(&retval);
+ if (retval == Result::OK || retval == Result::INVALID_STATE) {
+ // Sync back the changed contents of the buffer.
+ std::atomic_thread_fence(std::memory_order_acquire);
+ }
+ return analyzeResult(retval);
+ }
+ if (ret == -EAGAIN || ret == -EINTR) {
+ // Spurious wakeup. This normally retries no more than once.
+ goto retry;
+ }
+ return ret;
+}
+
+status_t EffectHalHidl::setProcessBuffers() {
+ Return<Result> ret = mEffect->setProcessBuffers(
+ static_cast<EffectBufferHalHidl*>(mInBuffer.get())->hidlBuffer(),
+ static_cast<EffectBufferHalHidl*>(mOutBuffer.get())->hidlBuffer());
+ if (ret.isOk() && ret == Result::OK) {
+ mBuffersChanged = false;
+ return OK;
+ }
+ return ret.isOk() ? analyzeResult(ret) : FAILED_TRANSACTION;
+}
+
+status_t EffectHalHidl::command(uint32_t cmdCode, uint32_t cmdSize, void *pCmdData,
+ uint32_t *replySize, void *pReplyData) {
+ if (mEffect == 0) return NO_INIT;
+
+ // Special cases.
+ if (cmdCode == EFFECT_CMD_SET_CONFIG || cmdCode == EFFECT_CMD_SET_CONFIG_REVERSE) {
+ return setConfigImpl(cmdCode, cmdSize, pCmdData, replySize, pReplyData);
+ } else if (cmdCode == EFFECT_CMD_GET_CONFIG || cmdCode == EFFECT_CMD_GET_CONFIG_REVERSE) {
+ return getConfigImpl(cmdCode, replySize, pReplyData);
+ }
+
+ // Common case.
+ hidl_vec<uint8_t> hidlData;
+ if (pCmdData != nullptr && cmdSize > 0) {
+ hidlData.setToExternal(reinterpret_cast<uint8_t*>(pCmdData), cmdSize);
+ }
+ status_t status;
+ uint32_t replySizeStub = 0;
+ if (replySize == nullptr || pReplyData == nullptr) replySize = &replySizeStub;
+ Return<void> ret = mEffect->command(cmdCode, hidlData, *replySize,
+ [&](int32_t s, const hidl_vec<uint8_t>& result) {
+ status = s;
+ if (status == 0) {
+ if (*replySize > result.size()) *replySize = result.size();
+ if (pReplyData != nullptr && *replySize > 0) {
+ memcpy(pReplyData, &result[0], *replySize);
+ }
+ }
+ });
+ return ret.isOk() ? status : FAILED_TRANSACTION;
+}
+
+status_t EffectHalHidl::getDescriptor(effect_descriptor_t *pDescriptor) {
+ if (mEffect == 0) return NO_INIT;
+ Result retval = Result::NOT_INITIALIZED;
+ Return<void> ret = mEffect->getDescriptor(
+ [&](Result r, const EffectDescriptor& result) {
+ retval = r;
+ if (retval == Result::OK) {
+ effectDescriptorToHal(result, pDescriptor);
+ }
+ });
+ return ret.isOk() ? analyzeResult(retval) : FAILED_TRANSACTION;
+}
+
+status_t EffectHalHidl::close() {
+ if (mEffect == 0) return NO_INIT;
+ Return<Result> ret = mEffect->close();
+ return ret.isOk() ? analyzeResult(ret) : FAILED_TRANSACTION;
+}
+
+status_t EffectHalHidl::getConfigImpl(
+ uint32_t cmdCode, uint32_t *replySize, void *pReplyData) {
+ if (replySize == NULL || *replySize != sizeof(effect_config_t) || pReplyData == NULL) {
+ return BAD_VALUE;
+ }
+ status_t result = FAILED_TRANSACTION;
+ Return<void> ret;
+ if (cmdCode == EFFECT_CMD_GET_CONFIG) {
+ ret = mEffect->getConfig([&] (Result r, const EffectConfig &hidlConfig) {
+ result = analyzeResult(r);
+ if (r == Result::OK) {
+ effectConfigToHal(hidlConfig, static_cast<effect_config_t*>(pReplyData));
+ }
+ });
+ } else {
+ ret = mEffect->getConfigReverse([&] (Result r, const EffectConfig &hidlConfig) {
+ result = analyzeResult(r);
+ if (r == Result::OK) {
+ effectConfigToHal(hidlConfig, static_cast<effect_config_t*>(pReplyData));
+ }
+ });
+ }
+ if (!ret.isOk()) {
+ result = FAILED_TRANSACTION;
+ }
+ return result;
+}
+
+status_t EffectHalHidl::setConfigImpl(
+ uint32_t cmdCode, uint32_t cmdSize, void *pCmdData, uint32_t *replySize, void *pReplyData) {
+ if (pCmdData == NULL || cmdSize != sizeof(effect_config_t) ||
+ replySize == NULL || *replySize != sizeof(int32_t) || pReplyData == NULL) {
+ return BAD_VALUE;
+ }
+ const effect_config_t *halConfig = static_cast<effect_config_t*>(pCmdData);
+ if (halConfig->inputCfg.bufferProvider.getBuffer != NULL ||
+ halConfig->inputCfg.bufferProvider.releaseBuffer != NULL ||
+ halConfig->outputCfg.bufferProvider.getBuffer != NULL ||
+ halConfig->outputCfg.bufferProvider.releaseBuffer != NULL) {
+ ALOGE("Buffer provider callbacks are not supported");
+ }
+ EffectConfig hidlConfig;
+ effectConfigFromHal(*halConfig, &hidlConfig);
+ Return<Result> ret = cmdCode == EFFECT_CMD_SET_CONFIG ?
+ mEffect->setConfig(hidlConfig, nullptr, nullptr) :
+ mEffect->setConfigReverse(hidlConfig, nullptr, nullptr);
+ status_t result = FAILED_TRANSACTION;
+ if (ret.isOk()) {
+ result = analyzeResult(ret);
+ *static_cast<int32_t*>(pReplyData) = result;
+ }
+ return result;
+}
+
+} // namespace android