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224 lines
9.2 KiB
224 lines
9.2 KiB
4 months ago
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/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <memory.h>
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#define LOG_TAG "EffectUtils"
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#include <log/log.h>
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#include <HidlUtils.h>
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#include <UuidUtils.h>
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#include <common/all-versions/VersionUtils.h>
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#include "util/EffectUtils.h"
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using ::android::hardware::audio::common::CPP_VERSION::implementation::HidlUtils;
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using ::android::hardware::audio::common::CPP_VERSION::implementation::UuidUtils;
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using ::android::hardware::audio::common::utils::EnumBitfield;
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namespace android {
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namespace hardware {
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namespace audio {
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namespace effect {
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namespace CPP_VERSION {
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namespace implementation {
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using namespace ::android::hardware::audio::common::CPP_VERSION;
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#define CONVERT_CHECKED(expr, result) \
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if (status_t status = (expr); status != NO_ERROR) { \
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result = status; \
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}
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#if MAJOR_VERSION <= 6
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status_t EffectUtils::effectBufferConfigFromHal(const buffer_config_t& halConfig, bool /*isInput*/,
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EffectBufferConfig* config) {
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config->buffer.id = 0;
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config->buffer.frameCount = 0;
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config->samplingRateHz = halConfig.samplingRate;
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config->channels = EnumBitfield<AudioChannelMask>(halConfig.channels);
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config->format = AudioFormat(halConfig.format);
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config->accessMode = EffectBufferAccess(halConfig.accessMode);
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config->mask = EnumBitfield<EffectConfigParameters>(halConfig.mask);
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return NO_ERROR;
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}
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status_t EffectUtils::effectBufferConfigToHal(const EffectBufferConfig& config,
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buffer_config_t* halConfig) {
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// Note: setting the buffers directly is considered obsolete. They need to be set
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// using 'setProcessBuffers'.
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halConfig->buffer.frameCount = 0;
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halConfig->buffer.raw = nullptr;
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halConfig->samplingRate = config.samplingRateHz;
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halConfig->channels = static_cast<uint32_t>(config.channels);
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// Note: The framework code does not use BP.
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halConfig->bufferProvider.cookie = nullptr;
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halConfig->bufferProvider.getBuffer = nullptr;
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halConfig->bufferProvider.releaseBuffer = nullptr;
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halConfig->format = static_cast<uint8_t>(config.format);
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halConfig->accessMode = static_cast<uint8_t>(config.accessMode);
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halConfig->mask = static_cast<uint8_t>(config.mask);
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return NO_ERROR;
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}
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#else
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status_t EffectUtils::effectBufferConfigFromHal(const buffer_config_t& halConfig, bool isInput,
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EffectBufferConfig* config) {
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status_t result = NO_ERROR;
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config->buffer.unspecified();
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audio_config_base_t halConfigBase = {halConfig.samplingRate,
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static_cast<audio_channel_mask_t>(halConfig.channels),
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static_cast<audio_format_t>(halConfig.format)};
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CONVERT_CHECKED(HidlUtils::audioConfigBaseOptionalFromHal(
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halConfigBase, isInput, halConfig.mask & EFFECT_CONFIG_FORMAT,
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halConfig.mask & EFFECT_CONFIG_SMP_RATE,
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halConfig.mask & EFFECT_CONFIG_CHANNELS, &config->base),
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result);
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if (halConfig.mask & EFFECT_CONFIG_ACC_MODE) {
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config->accessMode.value(EffectBufferAccess(halConfig.accessMode));
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}
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return result;
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}
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status_t EffectUtils::effectBufferConfigToHal(const EffectBufferConfig& config,
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buffer_config_t* halConfig) {
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status_t result = NO_ERROR;
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// Note: setting the buffers directly is considered obsolete. They need to be set
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// using 'setProcessBuffers'.
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halConfig->buffer.frameCount = 0;
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halConfig->buffer.raw = nullptr;
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audio_config_base_t halConfigBase = AUDIO_CONFIG_BASE_INITIALIZER;
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bool formatSpecified = false, sRateSpecified = false, channelMaskSpecified = false;
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CONVERT_CHECKED(
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HidlUtils::audioConfigBaseOptionalToHal(config.base, &halConfigBase, &formatSpecified,
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&sRateSpecified, &channelMaskSpecified),
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result);
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halConfig->mask = 0;
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if (sRateSpecified) {
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halConfig->mask |= EFFECT_CONFIG_SMP_RATE;
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halConfig->samplingRate = halConfigBase.sample_rate;
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}
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if (channelMaskSpecified) {
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halConfig->mask |= EFFECT_CONFIG_CHANNELS;
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halConfig->channels = halConfigBase.channel_mask;
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}
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if (formatSpecified) {
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halConfig->mask |= EFFECT_CONFIG_FORMAT;
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halConfig->format = halConfigBase.format;
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}
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// Note: The framework code does not use BP.
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halConfig->bufferProvider.cookie = nullptr;
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halConfig->bufferProvider.getBuffer = nullptr;
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halConfig->bufferProvider.releaseBuffer = nullptr;
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if (config.accessMode.getDiscriminator() ==
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EffectBufferConfig::OptionalAccessMode::hidl_discriminator::value) {
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halConfig->mask |= EFFECT_CONFIG_ACC_MODE;
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halConfig->accessMode = static_cast<uint8_t>(config.accessMode.value());
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}
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return result;
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}
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#endif // MAJOR_VERSION >= 6
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status_t EffectUtils::effectConfigFromHal(const effect_config_t& halConfig, bool isInput,
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EffectConfig* config) {
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status_t result = NO_ERROR;
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CONVERT_CHECKED(effectBufferConfigFromHal(halConfig.inputCfg, isInput, &config->inputCfg),
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result);
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CONVERT_CHECKED(effectBufferConfigFromHal(halConfig.outputCfg, isInput, &config->outputCfg),
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result);
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return result;
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}
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status_t EffectUtils::effectConfigToHal(const EffectConfig& config, effect_config_t* halConfig) {
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status_t result = NO_ERROR;
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CONVERT_CHECKED(effectBufferConfigToHal(config.inputCfg, &halConfig->inputCfg), result);
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CONVERT_CHECKED(effectBufferConfigToHal(config.outputCfg, &halConfig->outputCfg), result);
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return result;
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}
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template <std::size_t N>
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inline hidl_string charBufferFromHal(const char (&halBuf)[N]) {
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// Even if the original field contains a non-terminated string, hidl_string
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// adds a NUL terminator.
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return hidl_string(halBuf, strnlen(halBuf, N));
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}
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template <std::size_t N>
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inline status_t charBufferToHal(const hidl_string& str, char (&halBuf)[N], const char* fieldName) {
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static_assert(N > 0);
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const size_t halBufChars = N - 1; // Reserve one character for terminating NUL.
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status_t result = NO_ERROR;
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size_t strSize = str.size();
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if (strSize > halBufChars) {
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ALOGE("%s is too long: %zu (%zu max)", fieldName, strSize, halBufChars);
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strSize = halBufChars;
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result = BAD_VALUE;
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}
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strncpy(halBuf, str.c_str(), strSize);
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halBuf[strSize] = '\0';
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return result;
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}
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status_t EffectUtils::effectDescriptorFromHal(const effect_descriptor_t& halDescriptor,
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EffectDescriptor* descriptor) {
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UuidUtils::uuidFromHal(halDescriptor.type, &descriptor->type);
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UuidUtils::uuidFromHal(halDescriptor.uuid, &descriptor->uuid);
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descriptor->flags = EnumBitfield<EffectFlags>(halDescriptor.flags);
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descriptor->cpuLoad = halDescriptor.cpuLoad;
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descriptor->memoryUsage = halDescriptor.memoryUsage;
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#if MAJOR_VERSION <= 6
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memcpy(descriptor->name.data(), halDescriptor.name, descriptor->name.size());
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memcpy(descriptor->implementor.data(), halDescriptor.implementor,
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descriptor->implementor.size());
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#else
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descriptor->name = charBufferFromHal(halDescriptor.name);
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descriptor->implementor = charBufferFromHal(halDescriptor.implementor);
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#endif
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return NO_ERROR;
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}
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status_t EffectUtils::effectDescriptorToHal(const EffectDescriptor& descriptor,
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effect_descriptor_t* halDescriptor) {
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status_t result = NO_ERROR;
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UuidUtils::uuidToHal(descriptor.type, &halDescriptor->type);
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UuidUtils::uuidToHal(descriptor.uuid, &halDescriptor->uuid);
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halDescriptor->flags = static_cast<uint32_t>(descriptor.flags);
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halDescriptor->cpuLoad = descriptor.cpuLoad;
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halDescriptor->memoryUsage = descriptor.memoryUsage;
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#if MAJOR_VERSION <= 6
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memcpy(halDescriptor->name, descriptor.name.data(), descriptor.name.size());
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memcpy(halDescriptor->implementor, descriptor.implementor.data(),
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descriptor.implementor.size());
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#else
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// According to 'dumpEffectDescriptor', 'name' and 'implementor' must be NUL-terminated.
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CONVERT_CHECKED(charBufferToHal(descriptor.name, halDescriptor->name, "effect name"), result);
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CONVERT_CHECKED(charBufferToHal(descriptor.implementor, halDescriptor->implementor,
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"effect implementor"),
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result);
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#endif
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return result;
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}
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} // namespace implementation
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} // namespace CPP_VERSION
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} // namespace effect
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} // namespace audio
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} // namespace hardware
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} // namespace android
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