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/*
* Copyright (C) 2020 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 <limits>
#define LOG_TAG "EffectsFactory7.0"
#include <log/log.h>
#include "EqualizerEffect.h"
using ::android::hardware::hidl_string;
using ::android::hardware::hidl_vec;
using ::android::hardware::Return;
using ::android::hardware::Void;
using namespace ::android::hardware::audio::common::V7_0;
namespace android::hardware::audio::effect::V7_0::implementation {
const EffectDescriptor& EqualizerEffect::getDescriptor() {
// Note: for VTS tests only 'type' and 'uuid' fields are required.
// The actual implementation must provide meaningful values
// for all fields of the descriptor.
static const EffectDescriptor descriptor = {
.type =
{// Same UUID as AudioEffect.EFFECT_TYPE_EQUALIZER in Java.
0x0bed4300, 0xddd6, 0x11db, 0x8f34,
std::array<uint8_t, 6>{{0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}},
.uuid = {0, 0, 0, 1, std::array<uint8_t, 6>{{0, 0, 0, 0, 0, 0}}}};
return descriptor;
}
EqualizerEffect::EqualizerEffect() : mEffect(new Effect(getDescriptor())) {
mProperties.bandLevels.resize(kNumBands);
}
Return<void> EqualizerEffect::getNumBands(getNumBands_cb _hidl_cb) {
_hidl_cb(Result::OK, kNumBands);
return Void();
}
Return<void> EqualizerEffect::getLevelRange(getLevelRange_cb _hidl_cb) {
_hidl_cb(Result::OK, std::numeric_limits<int16_t>::min(), std::numeric_limits<int16_t>::max());
return Void();
}
Return<Result> EqualizerEffect::setBandLevel(uint16_t band, int16_t level) {
if (band < kNumBands) {
mProperties.bandLevels[band] = level;
return Result::OK;
} else {
return Result::INVALID_ARGUMENTS;
}
}
Return<void> EqualizerEffect::getBandLevel(uint16_t band, getBandLevel_cb _hidl_cb) {
if (band < kNumBands) {
_hidl_cb(Result::OK, mProperties.bandLevels[band]);
} else {
_hidl_cb(Result::INVALID_ARGUMENTS, 0);
}
return Void();
}
Return<void> EqualizerEffect::getBandCenterFrequency(uint16_t band,
getBandCenterFrequency_cb _hidl_cb) {
(void)band;
_hidl_cb(Result::OK, 0);
return Void();
}
Return<void> EqualizerEffect::getBandFrequencyRange(uint16_t band,
getBandFrequencyRange_cb _hidl_cb) {
(void)band;
_hidl_cb(Result::OK, 0, 1);
return Void();
}
Return<void> EqualizerEffect::getBandForFrequency(uint32_t freq, getBandForFrequency_cb _hidl_cb) {
(void)freq;
_hidl_cb(Result::OK, 0);
return Void();
}
Return<void> EqualizerEffect::getPresetNames(getPresetNames_cb _hidl_cb) {
hidl_vec<hidl_string> presetNames;
presetNames.resize(kNumPresets);
presetNames[0] = "default";
_hidl_cb(Result::OK, presetNames);
return Void();
}
Return<Result> EqualizerEffect::setCurrentPreset(uint16_t preset) {
if (preset < kNumPresets) {
mProperties.curPreset = preset;
return Result::OK;
} else {
return Result::INVALID_ARGUMENTS;
}
}
Return<void> EqualizerEffect::getCurrentPreset(getCurrentPreset_cb _hidl_cb) {
_hidl_cb(Result::OK, mProperties.curPreset);
return Void();
}
Return<Result> EqualizerEffect::setAllProperties(
const IEqualizerEffect::AllProperties& properties) {
mProperties = properties;
return Result::OK;
}
Return<void> EqualizerEffect::getAllProperties(getAllProperties_cb _hidl_cb) {
_hidl_cb(Result::OK, mProperties);
return Void();
}
} // namespace android::hardware::audio::effect::V7_0::implementation
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