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/*
* Copyright (C) 2021 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.
*/
#include <memory.h>
#define LOG_TAG "EffectUtils"
#include <log/log.h>
#include <HidlUtils.h>
#include <UuidUtils.h>
#include <common/all-versions/VersionUtils.h>
#include "util/EffectUtils.h"
using ::android::hardware::audio::common::CPP_VERSION::implementation::HidlUtils;
using ::android::hardware::audio::common::CPP_VERSION::implementation::UuidUtils;
using ::android::hardware::audio::common::utils::EnumBitfield;
namespace android {
namespace hardware {
namespace audio {
namespace effect {
namespace CPP_VERSION {
namespace implementation {
using namespace ::android::hardware::audio::common::CPP_VERSION;
#define CONVERT_CHECKED(expr, result) \
if (status_t status = (expr); status != NO_ERROR) { \
result = status; \
}
#if MAJOR_VERSION <= 6
status_t EffectUtils::effectBufferConfigFromHal(const buffer_config_t& halConfig, bool /*isInput*/,
EffectBufferConfig* config) {
config->buffer.id = 0;
config->buffer.frameCount = 0;
config->samplingRateHz = halConfig.samplingRate;
config->channels = EnumBitfield<AudioChannelMask>(halConfig.channels);
config->format = AudioFormat(halConfig.format);
config->accessMode = EffectBufferAccess(halConfig.accessMode);
config->mask = EnumBitfield<EffectConfigParameters>(halConfig.mask);
return NO_ERROR;
}
status_t EffectUtils::effectBufferConfigToHal(const EffectBufferConfig& config,
buffer_config_t* halConfig) {
// Note: setting the buffers directly is considered obsolete. They need to be set
// using 'setProcessBuffers'.
halConfig->buffer.frameCount = 0;
halConfig->buffer.raw = nullptr;
halConfig->samplingRate = config.samplingRateHz;
halConfig->channels = static_cast<uint32_t>(config.channels);
// Note: The framework code does not use BP.
halConfig->bufferProvider.cookie = nullptr;
halConfig->bufferProvider.getBuffer = nullptr;
halConfig->bufferProvider.releaseBuffer = nullptr;
halConfig->format = static_cast<uint8_t>(config.format);
halConfig->accessMode = static_cast<uint8_t>(config.accessMode);
halConfig->mask = static_cast<uint8_t>(config.mask);
return NO_ERROR;
}
#else
status_t EffectUtils::effectBufferConfigFromHal(const buffer_config_t& halConfig, bool isInput,
EffectBufferConfig* config) {
status_t result = NO_ERROR;
config->buffer.unspecified();
audio_config_base_t halConfigBase = {halConfig.samplingRate,
static_cast<audio_channel_mask_t>(halConfig.channels),
static_cast<audio_format_t>(halConfig.format)};
CONVERT_CHECKED(HidlUtils::audioConfigBaseOptionalFromHal(
halConfigBase, isInput, halConfig.mask & EFFECT_CONFIG_FORMAT,
halConfig.mask & EFFECT_CONFIG_SMP_RATE,
halConfig.mask & EFFECT_CONFIG_CHANNELS, &config->base),
result);
if (halConfig.mask & EFFECT_CONFIG_ACC_MODE) {
config->accessMode.value(EffectBufferAccess(halConfig.accessMode));
}
return result;
}
status_t EffectUtils::effectBufferConfigToHal(const EffectBufferConfig& config,
buffer_config_t* halConfig) {
status_t result = NO_ERROR;
// Note: setting the buffers directly is considered obsolete. They need to be set
// using 'setProcessBuffers'.
halConfig->buffer.frameCount = 0;
halConfig->buffer.raw = nullptr;
audio_config_base_t halConfigBase = AUDIO_CONFIG_BASE_INITIALIZER;
bool formatSpecified = false, sRateSpecified = false, channelMaskSpecified = false;
CONVERT_CHECKED(
HidlUtils::audioConfigBaseOptionalToHal(config.base, &halConfigBase, &formatSpecified,
&sRateSpecified, &channelMaskSpecified),
result);
halConfig->mask = 0;
if (sRateSpecified) {
halConfig->mask |= EFFECT_CONFIG_SMP_RATE;
halConfig->samplingRate = halConfigBase.sample_rate;
}
if (channelMaskSpecified) {
halConfig->mask |= EFFECT_CONFIG_CHANNELS;
halConfig->channels = halConfigBase.channel_mask;
}
if (formatSpecified) {
halConfig->mask |= EFFECT_CONFIG_FORMAT;
halConfig->format = halConfigBase.format;
}
// Note: The framework code does not use BP.
halConfig->bufferProvider.cookie = nullptr;
halConfig->bufferProvider.getBuffer = nullptr;
halConfig->bufferProvider.releaseBuffer = nullptr;
if (config.accessMode.getDiscriminator() ==
EffectBufferConfig::OptionalAccessMode::hidl_discriminator::value) {
halConfig->mask |= EFFECT_CONFIG_ACC_MODE;
halConfig->accessMode = static_cast<uint8_t>(config.accessMode.value());
}
return result;
}
#endif // MAJOR_VERSION >= 6
status_t EffectUtils::effectConfigFromHal(const effect_config_t& halConfig, bool isInput,
EffectConfig* config) {
status_t result = NO_ERROR;
CONVERT_CHECKED(effectBufferConfigFromHal(halConfig.inputCfg, isInput, &config->inputCfg),
result);
CONVERT_CHECKED(effectBufferConfigFromHal(halConfig.outputCfg, isInput, &config->outputCfg),
result);
return result;
}
status_t EffectUtils::effectConfigToHal(const EffectConfig& config, effect_config_t* halConfig) {
status_t result = NO_ERROR;
CONVERT_CHECKED(effectBufferConfigToHal(config.inputCfg, &halConfig->inputCfg), result);
CONVERT_CHECKED(effectBufferConfigToHal(config.outputCfg, &halConfig->outputCfg), result);
return result;
}
template <std::size_t N>
inline hidl_string charBufferFromHal(const char (&halBuf)[N]) {
// Even if the original field contains a non-terminated string, hidl_string
// adds a NUL terminator.
return hidl_string(halBuf, strnlen(halBuf, N));
}
template <std::size_t N>
inline status_t charBufferToHal(const hidl_string& str, char (&halBuf)[N], const char* fieldName) {
static_assert(N > 0);
const size_t halBufChars = N - 1; // Reserve one character for terminating NUL.
status_t result = NO_ERROR;
size_t strSize = str.size();
if (strSize > halBufChars) {
ALOGE("%s is too long: %zu (%zu max)", fieldName, strSize, halBufChars);
strSize = halBufChars;
result = BAD_VALUE;
}
strncpy(halBuf, str.c_str(), strSize);
halBuf[strSize] = '\0';
return result;
}
status_t EffectUtils::effectDescriptorFromHal(const effect_descriptor_t& halDescriptor,
EffectDescriptor* descriptor) {
UuidUtils::uuidFromHal(halDescriptor.type, &descriptor->type);
UuidUtils::uuidFromHal(halDescriptor.uuid, &descriptor->uuid);
descriptor->flags = EnumBitfield<EffectFlags>(halDescriptor.flags);
descriptor->cpuLoad = halDescriptor.cpuLoad;
descriptor->memoryUsage = halDescriptor.memoryUsage;
#if MAJOR_VERSION <= 6
memcpy(descriptor->name.data(), halDescriptor.name, descriptor->name.size());
memcpy(descriptor->implementor.data(), halDescriptor.implementor,
descriptor->implementor.size());
#else
descriptor->name = charBufferFromHal(halDescriptor.name);
descriptor->implementor = charBufferFromHal(halDescriptor.implementor);
#endif
return NO_ERROR;
}
status_t EffectUtils::effectDescriptorToHal(const EffectDescriptor& descriptor,
effect_descriptor_t* halDescriptor) {
status_t result = NO_ERROR;
UuidUtils::uuidToHal(descriptor.type, &halDescriptor->type);
UuidUtils::uuidToHal(descriptor.uuid, &halDescriptor->uuid);
halDescriptor->flags = static_cast<uint32_t>(descriptor.flags);
halDescriptor->cpuLoad = descriptor.cpuLoad;
halDescriptor->memoryUsage = descriptor.memoryUsage;
#if MAJOR_VERSION <= 6
memcpy(halDescriptor->name, descriptor.name.data(), descriptor.name.size());
memcpy(halDescriptor->implementor, descriptor.implementor.data(),
descriptor.implementor.size());
#else
// According to 'dumpEffectDescriptor', 'name' and 'implementor' must be NUL-terminated.
CONVERT_CHECKED(charBufferToHal(descriptor.name, halDescriptor->name, "effect name"), result);
CONVERT_CHECKED(charBufferToHal(descriptor.implementor, halDescriptor->implementor,
"effect implementor"),
result);
#endif
return result;
}
} // namespace implementation
} // namespace CPP_VERSION
} // namespace effect
} // namespace audio
} // namespace hardware
} // namespace android
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