1 /*
2 * Copyright (C) 2022 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <algorithm>
18 #include <cstddef>
19
20 #define LOG_TAG "AHAL_LoudnessEnhancerSw"
21 #include <android-base/logging.h>
22 #include <fmq/AidlMessageQueue.h>
23 #include <system/audio_effects/effect_uuid.h>
24
25 #include "LoudnessEnhancerSw.h"
26
27 using aidl::android::hardware::audio::effect::Descriptor;
28 using aidl::android::hardware::audio::effect::getEffectImplUuidLoudnessEnhancerSw;
29 using aidl::android::hardware::audio::effect::getEffectTypeUuidLoudnessEnhancer;
30 using aidl::android::hardware::audio::effect::IEffect;
31 using aidl::android::hardware::audio::effect::LoudnessEnhancerSw;
32 using aidl::android::hardware::audio::effect::State;
33 using aidl::android::media::audio::common::AudioUuid;
34
createEffect(const AudioUuid * in_impl_uuid,std::shared_ptr<IEffect> * instanceSpp)35 extern "C" binder_exception_t createEffect(const AudioUuid* in_impl_uuid,
36 std::shared_ptr<IEffect>* instanceSpp) {
37 if (!in_impl_uuid || *in_impl_uuid != getEffectImplUuidLoudnessEnhancerSw()) {
38 LOG(ERROR) << __func__ << "uuid not supported";
39 return EX_ILLEGAL_ARGUMENT;
40 }
41 if (instanceSpp) {
42 *instanceSpp = ndk::SharedRefBase::make<LoudnessEnhancerSw>();
43 LOG(DEBUG) << __func__ << " instance " << instanceSpp->get() << " created";
44 return EX_NONE;
45 } else {
46 LOG(ERROR) << __func__ << " invalid input parameter!";
47 return EX_ILLEGAL_ARGUMENT;
48 }
49 }
50
queryEffect(const AudioUuid * in_impl_uuid,Descriptor * _aidl_return)51 extern "C" binder_exception_t queryEffect(const AudioUuid* in_impl_uuid, Descriptor* _aidl_return) {
52 if (!in_impl_uuid || *in_impl_uuid != getEffectImplUuidLoudnessEnhancerSw()) {
53 LOG(ERROR) << __func__ << "uuid not supported";
54 return EX_ILLEGAL_ARGUMENT;
55 }
56 *_aidl_return = LoudnessEnhancerSw::kDescriptor;
57 return EX_NONE;
58 }
59
60 namespace aidl::android::hardware::audio::effect {
61
62 const std::string LoudnessEnhancerSw::kEffectName = "LoudnessEnhancerSw";
63 const Descriptor LoudnessEnhancerSw::kDescriptor = {
64 .common = {.id = {.type = getEffectTypeUuidLoudnessEnhancer(),
65 .uuid = getEffectImplUuidLoudnessEnhancerSw(),
66 .proxy = std::nullopt},
67 .flags = {.type = Flags::Type::INSERT,
68 .insert = Flags::Insert::FIRST,
69 .volume = Flags::Volume::CTRL},
70 .name = LoudnessEnhancerSw::kEffectName,
71 .implementor = "The Android Open Source Project"}};
72
getDescriptor(Descriptor * _aidl_return)73 ndk::ScopedAStatus LoudnessEnhancerSw::getDescriptor(Descriptor* _aidl_return) {
74 LOG(DEBUG) << __func__ << kDescriptor.toString();
75 *_aidl_return = kDescriptor;
76 return ndk::ScopedAStatus::ok();
77 }
78
setParameterSpecific(const Parameter::Specific & specific)79 ndk::ScopedAStatus LoudnessEnhancerSw::setParameterSpecific(const Parameter::Specific& specific) {
80 RETURN_IF(Parameter::Specific::loudnessEnhancer != specific.getTag(), EX_ILLEGAL_ARGUMENT,
81 "EffectNotSupported");
82 RETURN_IF(!mContext, EX_NULL_POINTER, "nullContext");
83
84 auto& leParam = specific.get<Parameter::Specific::loudnessEnhancer>();
85 auto tag = leParam.getTag();
86
87 switch (tag) {
88 case LoudnessEnhancer::gainMb: {
89 RETURN_IF(mContext->setLeGainMb(leParam.get<LoudnessEnhancer::gainMb>()) !=
90 RetCode::SUCCESS,
91 EX_ILLEGAL_ARGUMENT, "setGainMbFailed");
92 return ndk::ScopedAStatus::ok();
93 }
94 default: {
95 LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
96 return ndk::ScopedAStatus::fromExceptionCodeWithMessage(
97 EX_ILLEGAL_ARGUMENT, "LoudnessEnhancerTagNotSupported");
98 }
99 }
100 }
101
getParameterSpecific(const Parameter::Id & id,Parameter::Specific * specific)102 ndk::ScopedAStatus LoudnessEnhancerSw::getParameterSpecific(const Parameter::Id& id,
103 Parameter::Specific* specific) {
104 auto tag = id.getTag();
105 RETURN_IF(Parameter::Id::loudnessEnhancerTag != tag, EX_ILLEGAL_ARGUMENT, "wrongIdTag");
106 auto leId = id.get<Parameter::Id::loudnessEnhancerTag>();
107 auto leIdTag = leId.getTag();
108 switch (leIdTag) {
109 case LoudnessEnhancer::Id::commonTag:
110 return getParameterLoudnessEnhancer(leId.get<LoudnessEnhancer::Id::commonTag>(),
111 specific);
112 default:
113 LOG(ERROR) << __func__ << " unsupported tag: " << toString(leIdTag);
114 return ndk::ScopedAStatus::fromExceptionCodeWithMessage(
115 EX_ILLEGAL_ARGUMENT, "LoudnessEnhancerTagNotSupported");
116 }
117 }
118
getParameterLoudnessEnhancer(const LoudnessEnhancer::Tag & tag,Parameter::Specific * specific)119 ndk::ScopedAStatus LoudnessEnhancerSw::getParameterLoudnessEnhancer(
120 const LoudnessEnhancer::Tag& tag, Parameter::Specific* specific) {
121 RETURN_IF(!mContext, EX_NULL_POINTER, "nullContext");
122
123 LoudnessEnhancer leParam;
124 switch (tag) {
125 case LoudnessEnhancer::gainMb: {
126 leParam.set<LoudnessEnhancer::gainMb>(mContext->getLeGainMb());
127 break;
128 }
129 default: {
130 LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
131 return ndk::ScopedAStatus::fromExceptionCodeWithMessage(
132 EX_ILLEGAL_ARGUMENT, "LoudnessEnhancerTagNotSupported");
133 }
134 }
135
136 specific->set<Parameter::Specific::loudnessEnhancer>(leParam);
137 return ndk::ScopedAStatus::ok();
138 }
139
createContext(const Parameter::Common & common)140 std::shared_ptr<EffectContext> LoudnessEnhancerSw::createContext(const Parameter::Common& common) {
141 if (mContext) {
142 LOG(DEBUG) << __func__ << " context already exist";
143 } else {
144 mContext = std::make_shared<LoudnessEnhancerSwContext>(1 /* statusFmqDepth */, common);
145 }
146
147 return mContext;
148 }
149
releaseContext()150 RetCode LoudnessEnhancerSw::releaseContext() {
151 if (mContext) {
152 mContext.reset();
153 }
154 return RetCode::SUCCESS;
155 }
156
157 // Processing method running in EffectWorker thread.
effectProcessImpl(float * in,float * out,int samples)158 IEffect::Status LoudnessEnhancerSw::effectProcessImpl(float* in, float* out, int samples) {
159 // TODO: get data buffer and process.
160 LOG(DEBUG) << __func__ << " in " << in << " out " << out << " samples " << samples;
161 for (int i = 0; i < samples; i++) {
162 *out++ = *in++;
163 }
164 return {STATUS_OK, samples, samples};
165 }
166
167 } // namespace aidl::android::hardware::audio::effect
168