xref: /aosp_15_r20/hardware/interfaces/audio/aidl/default/EffectContext.cpp (revision 4d7e907c777eeecc4c5bd7cf640a754fac206ff7)
1*4d7e907cSAndroid Build Coastguard Worker /*
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4*4d7e907cSAndroid Build Coastguard Worker  * Licensed under the Apache License, Version 2.0 (the "License");
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6*4d7e907cSAndroid Build Coastguard Worker  * You may obtain a copy of the License at
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8*4d7e907cSAndroid Build Coastguard Worker  *      http://www.apache.org/licenses/LICENSE-2.0
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15*4d7e907cSAndroid Build Coastguard Worker  */
16*4d7e907cSAndroid Build Coastguard Worker 
17*4d7e907cSAndroid Build Coastguard Worker #include <memory>
18*4d7e907cSAndroid Build Coastguard Worker #define LOG_TAG "AHAL_EffectContext"
19*4d7e907cSAndroid Build Coastguard Worker #include "effect-impl/EffectContext.h"
20*4d7e907cSAndroid Build Coastguard Worker #include "include/effect-impl/EffectTypes.h"
21*4d7e907cSAndroid Build Coastguard Worker 
22*4d7e907cSAndroid Build Coastguard Worker using aidl::android::hardware::audio::common::getChannelCount;
23*4d7e907cSAndroid Build Coastguard Worker using aidl::android::hardware::audio::common::getFrameSizeInBytes;
24*4d7e907cSAndroid Build Coastguard Worker using aidl::android::hardware::audio::effect::IEffect;
25*4d7e907cSAndroid Build Coastguard Worker using aidl::android::hardware::audio::effect::kReopenSupportedVersion;
26*4d7e907cSAndroid Build Coastguard Worker using aidl::android::media::audio::common::PcmType;
27*4d7e907cSAndroid Build Coastguard Worker using ::android::hardware::EventFlag;
28*4d7e907cSAndroid Build Coastguard Worker 
29*4d7e907cSAndroid Build Coastguard Worker namespace aidl::android::hardware::audio::effect {
30*4d7e907cSAndroid Build Coastguard Worker 
EffectContext(size_t statusDepth,const Parameter::Common & common)31*4d7e907cSAndroid Build Coastguard Worker EffectContext::EffectContext(size_t statusDepth, const Parameter::Common& common) {
32*4d7e907cSAndroid Build Coastguard Worker     LOG_ALWAYS_FATAL_IF(RetCode::SUCCESS != setCommon(common), "illegalCommonParameter");
33*4d7e907cSAndroid Build Coastguard Worker 
34*4d7e907cSAndroid Build Coastguard Worker     // in/outBuffer size in float (FMQ data format defined for DataMQ)
35*4d7e907cSAndroid Build Coastguard Worker     size_t inBufferSizeInFloat = common.input.frameCount * mInputFrameSize / sizeof(float);
36*4d7e907cSAndroid Build Coastguard Worker     size_t outBufferSizeInFloat = common.output.frameCount * mOutputFrameSize / sizeof(float);
37*4d7e907cSAndroid Build Coastguard Worker 
38*4d7e907cSAndroid Build Coastguard Worker     // only status FMQ use the EventFlag
39*4d7e907cSAndroid Build Coastguard Worker     mStatusMQ = std::make_shared<StatusMQ>(statusDepth, true /*configureEventFlagWord*/);
40*4d7e907cSAndroid Build Coastguard Worker     mInputMQ = std::make_shared<DataMQ>(inBufferSizeInFloat);
41*4d7e907cSAndroid Build Coastguard Worker     mOutputMQ = std::make_shared<DataMQ>(outBufferSizeInFloat);
42*4d7e907cSAndroid Build Coastguard Worker 
43*4d7e907cSAndroid Build Coastguard Worker     if (!mStatusMQ->isValid() || !mInputMQ->isValid() || !mOutputMQ->isValid()) {
44*4d7e907cSAndroid Build Coastguard Worker         LOG(ERROR) << __func__ << " created invalid FMQ, statusMQ: " << mStatusMQ->isValid()
45*4d7e907cSAndroid Build Coastguard Worker                    << " inputMQ: " << mInputMQ->isValid() << " outputMQ: " << mOutputMQ->isValid();
46*4d7e907cSAndroid Build Coastguard Worker     }
47*4d7e907cSAndroid Build Coastguard Worker 
48*4d7e907cSAndroid Build Coastguard Worker     ::android::status_t status =
49*4d7e907cSAndroid Build Coastguard Worker             EventFlag::createEventFlag(mStatusMQ->getEventFlagWord(), &mEfGroup);
50*4d7e907cSAndroid Build Coastguard Worker     LOG_ALWAYS_FATAL_IF(status != ::android::OK || !mEfGroup, " create EventFlagGroup failed ");
51*4d7e907cSAndroid Build Coastguard Worker     mWorkBuffer.resize(std::max(inBufferSizeInFloat, outBufferSizeInFloat));
52*4d7e907cSAndroid Build Coastguard Worker }
53*4d7e907cSAndroid Build Coastguard Worker 
54*4d7e907cSAndroid Build Coastguard Worker // reset buffer status by abandon input data in FMQ
resetBuffer()55*4d7e907cSAndroid Build Coastguard Worker void EffectContext::resetBuffer() {
56*4d7e907cSAndroid Build Coastguard Worker     auto buffer = static_cast<float*>(mWorkBuffer.data());
57*4d7e907cSAndroid Build Coastguard Worker     if (mStatusMQ) {
58*4d7e907cSAndroid Build Coastguard Worker         std::vector<IEffect::Status> status(mStatusMQ->availableToRead());
59*4d7e907cSAndroid Build Coastguard Worker     }
60*4d7e907cSAndroid Build Coastguard Worker     if (mInputMQ) {
61*4d7e907cSAndroid Build Coastguard Worker         mInputMQ->read(buffer, mInputMQ->availableToRead());
62*4d7e907cSAndroid Build Coastguard Worker     }
63*4d7e907cSAndroid Build Coastguard Worker }
64*4d7e907cSAndroid Build Coastguard Worker 
dupeFmqWithReopen(IEffect::OpenEffectReturn * effectRet)65*4d7e907cSAndroid Build Coastguard Worker void EffectContext::dupeFmqWithReopen(IEffect::OpenEffectReturn* effectRet) {
66*4d7e907cSAndroid Build Coastguard Worker     const size_t inBufferSizeInFloat = mCommon.input.frameCount * mInputFrameSize / sizeof(float);
67*4d7e907cSAndroid Build Coastguard Worker     const size_t outBufferSizeInFloat =
68*4d7e907cSAndroid Build Coastguard Worker             mCommon.output.frameCount * mOutputFrameSize / sizeof(float);
69*4d7e907cSAndroid Build Coastguard Worker     const size_t bufferSize = std::max(inBufferSizeInFloat, outBufferSizeInFloat);
70*4d7e907cSAndroid Build Coastguard Worker     if (!mInputMQ) {
71*4d7e907cSAndroid Build Coastguard Worker         mInputMQ = std::make_shared<DataMQ>(inBufferSizeInFloat);
72*4d7e907cSAndroid Build Coastguard Worker     }
73*4d7e907cSAndroid Build Coastguard Worker     if (!mOutputMQ) {
74*4d7e907cSAndroid Build Coastguard Worker         mOutputMQ = std::make_shared<DataMQ>(outBufferSizeInFloat);
75*4d7e907cSAndroid Build Coastguard Worker     }
76*4d7e907cSAndroid Build Coastguard Worker     if (mWorkBuffer.size() != bufferSize) {
77*4d7e907cSAndroid Build Coastguard Worker         mWorkBuffer.resize(bufferSize);
78*4d7e907cSAndroid Build Coastguard Worker     }
79*4d7e907cSAndroid Build Coastguard Worker     dupeFmq(effectRet);
80*4d7e907cSAndroid Build Coastguard Worker }
81*4d7e907cSAndroid Build Coastguard Worker 
dupeFmq(IEffect::OpenEffectReturn * effectRet)82*4d7e907cSAndroid Build Coastguard Worker void EffectContext::dupeFmq(IEffect::OpenEffectReturn* effectRet) {
83*4d7e907cSAndroid Build Coastguard Worker     if (effectRet && mStatusMQ && mInputMQ && mOutputMQ) {
84*4d7e907cSAndroid Build Coastguard Worker         effectRet->statusMQ = mStatusMQ->dupeDesc();
85*4d7e907cSAndroid Build Coastguard Worker         effectRet->inputDataMQ = mInputMQ->dupeDesc();
86*4d7e907cSAndroid Build Coastguard Worker         effectRet->outputDataMQ = mOutputMQ->dupeDesc();
87*4d7e907cSAndroid Build Coastguard Worker     }
88*4d7e907cSAndroid Build Coastguard Worker }
89*4d7e907cSAndroid Build Coastguard Worker 
getWorkBuffer()90*4d7e907cSAndroid Build Coastguard Worker float* EffectContext::getWorkBuffer() {
91*4d7e907cSAndroid Build Coastguard Worker     return static_cast<float*>(mWorkBuffer.data());
92*4d7e907cSAndroid Build Coastguard Worker }
93*4d7e907cSAndroid Build Coastguard Worker 
getWorkBufferSize() const94*4d7e907cSAndroid Build Coastguard Worker size_t EffectContext::getWorkBufferSize() const {
95*4d7e907cSAndroid Build Coastguard Worker     return mWorkBuffer.size();
96*4d7e907cSAndroid Build Coastguard Worker }
97*4d7e907cSAndroid Build Coastguard Worker 
getStatusFmq() const98*4d7e907cSAndroid Build Coastguard Worker std::shared_ptr<EffectContext::StatusMQ> EffectContext::getStatusFmq() const {
99*4d7e907cSAndroid Build Coastguard Worker     return mStatusMQ;
100*4d7e907cSAndroid Build Coastguard Worker }
101*4d7e907cSAndroid Build Coastguard Worker 
getInputDataFmq() const102*4d7e907cSAndroid Build Coastguard Worker std::shared_ptr<EffectContext::DataMQ> EffectContext::getInputDataFmq() const {
103*4d7e907cSAndroid Build Coastguard Worker     return mInputMQ;
104*4d7e907cSAndroid Build Coastguard Worker }
105*4d7e907cSAndroid Build Coastguard Worker 
getOutputDataFmq() const106*4d7e907cSAndroid Build Coastguard Worker std::shared_ptr<EffectContext::DataMQ> EffectContext::getOutputDataFmq() const {
107*4d7e907cSAndroid Build Coastguard Worker     return mOutputMQ;
108*4d7e907cSAndroid Build Coastguard Worker }
109*4d7e907cSAndroid Build Coastguard Worker 
getInputFrameSize() const110*4d7e907cSAndroid Build Coastguard Worker size_t EffectContext::getInputFrameSize() const {
111*4d7e907cSAndroid Build Coastguard Worker     return mInputFrameSize;
112*4d7e907cSAndroid Build Coastguard Worker }
113*4d7e907cSAndroid Build Coastguard Worker 
getOutputFrameSize() const114*4d7e907cSAndroid Build Coastguard Worker size_t EffectContext::getOutputFrameSize() const {
115*4d7e907cSAndroid Build Coastguard Worker     return mOutputFrameSize;
116*4d7e907cSAndroid Build Coastguard Worker }
117*4d7e907cSAndroid Build Coastguard Worker 
getSessionId() const118*4d7e907cSAndroid Build Coastguard Worker int EffectContext::getSessionId() const {
119*4d7e907cSAndroid Build Coastguard Worker     return mCommon.session;
120*4d7e907cSAndroid Build Coastguard Worker }
121*4d7e907cSAndroid Build Coastguard Worker 
getIoHandle() const122*4d7e907cSAndroid Build Coastguard Worker int EffectContext::getIoHandle() const {
123*4d7e907cSAndroid Build Coastguard Worker     return mCommon.ioHandle;
124*4d7e907cSAndroid Build Coastguard Worker }
125*4d7e907cSAndroid Build Coastguard Worker 
setOutputDevice(const std::vector<aidl::android::media::audio::common::AudioDeviceDescription> & device)126*4d7e907cSAndroid Build Coastguard Worker RetCode EffectContext::setOutputDevice(
127*4d7e907cSAndroid Build Coastguard Worker         const std::vector<aidl::android::media::audio::common::AudioDeviceDescription>& device) {
128*4d7e907cSAndroid Build Coastguard Worker     mOutputDevice = device;
129*4d7e907cSAndroid Build Coastguard Worker     return RetCode::SUCCESS;
130*4d7e907cSAndroid Build Coastguard Worker }
131*4d7e907cSAndroid Build Coastguard Worker 
132*4d7e907cSAndroid Build Coastguard Worker std::vector<aidl::android::media::audio::common::AudioDeviceDescription>
getOutputDevice()133*4d7e907cSAndroid Build Coastguard Worker EffectContext::getOutputDevice() {
134*4d7e907cSAndroid Build Coastguard Worker     return mOutputDevice;
135*4d7e907cSAndroid Build Coastguard Worker }
136*4d7e907cSAndroid Build Coastguard Worker 
setAudioMode(const aidl::android::media::audio::common::AudioMode & mode)137*4d7e907cSAndroid Build Coastguard Worker RetCode EffectContext::setAudioMode(const aidl::android::media::audio::common::AudioMode& mode) {
138*4d7e907cSAndroid Build Coastguard Worker     mMode = mode;
139*4d7e907cSAndroid Build Coastguard Worker     return RetCode::SUCCESS;
140*4d7e907cSAndroid Build Coastguard Worker }
getAudioMode()141*4d7e907cSAndroid Build Coastguard Worker aidl::android::media::audio::common::AudioMode EffectContext::getAudioMode() {
142*4d7e907cSAndroid Build Coastguard Worker     return mMode;
143*4d7e907cSAndroid Build Coastguard Worker }
144*4d7e907cSAndroid Build Coastguard Worker 
setAudioSource(const aidl::android::media::audio::common::AudioSource & source)145*4d7e907cSAndroid Build Coastguard Worker RetCode EffectContext::setAudioSource(
146*4d7e907cSAndroid Build Coastguard Worker         const aidl::android::media::audio::common::AudioSource& source) {
147*4d7e907cSAndroid Build Coastguard Worker     mSource = source;
148*4d7e907cSAndroid Build Coastguard Worker     return RetCode::SUCCESS;
149*4d7e907cSAndroid Build Coastguard Worker }
150*4d7e907cSAndroid Build Coastguard Worker 
getAudioSource()151*4d7e907cSAndroid Build Coastguard Worker aidl::android::media::audio::common::AudioSource EffectContext::getAudioSource() {
152*4d7e907cSAndroid Build Coastguard Worker     return mSource;
153*4d7e907cSAndroid Build Coastguard Worker }
154*4d7e907cSAndroid Build Coastguard Worker 
setVolumeStereo(const Parameter::VolumeStereo & volumeStereo)155*4d7e907cSAndroid Build Coastguard Worker RetCode EffectContext::setVolumeStereo(const Parameter::VolumeStereo& volumeStereo) {
156*4d7e907cSAndroid Build Coastguard Worker     mVolumeStereo = volumeStereo;
157*4d7e907cSAndroid Build Coastguard Worker     return RetCode::SUCCESS;
158*4d7e907cSAndroid Build Coastguard Worker }
159*4d7e907cSAndroid Build Coastguard Worker 
getVolumeStereo()160*4d7e907cSAndroid Build Coastguard Worker Parameter::VolumeStereo EffectContext::getVolumeStereo() {
161*4d7e907cSAndroid Build Coastguard Worker     return mVolumeStereo;
162*4d7e907cSAndroid Build Coastguard Worker }
163*4d7e907cSAndroid Build Coastguard Worker 
setCommon(const Parameter::Common & common)164*4d7e907cSAndroid Build Coastguard Worker RetCode EffectContext::setCommon(const Parameter::Common& common) {
165*4d7e907cSAndroid Build Coastguard Worker     auto& input = common.input;
166*4d7e907cSAndroid Build Coastguard Worker     auto& output = common.output;
167*4d7e907cSAndroid Build Coastguard Worker 
168*4d7e907cSAndroid Build Coastguard Worker     if (input.base.format.pcm != aidl::android::media::audio::common::PcmType::FLOAT_32_BIT ||
169*4d7e907cSAndroid Build Coastguard Worker         output.base.format.pcm != aidl::android::media::audio::common::PcmType::FLOAT_32_BIT) {
170*4d7e907cSAndroid Build Coastguard Worker         LOG(ERROR) << __func__ << " illegal IO, input "
171*4d7e907cSAndroid Build Coastguard Worker                    << ::android::internal::ToString(input.base.format) << ", output "
172*4d7e907cSAndroid Build Coastguard Worker                    << ::android::internal::ToString(output.base.format);
173*4d7e907cSAndroid Build Coastguard Worker         return RetCode::ERROR_ILLEGAL_PARAMETER;
174*4d7e907cSAndroid Build Coastguard Worker     }
175*4d7e907cSAndroid Build Coastguard Worker 
176*4d7e907cSAndroid Build Coastguard Worker     if (auto ret = updateIOFrameSize(common); ret != RetCode::SUCCESS) {
177*4d7e907cSAndroid Build Coastguard Worker         return ret;
178*4d7e907cSAndroid Build Coastguard Worker     }
179*4d7e907cSAndroid Build Coastguard Worker 
180*4d7e907cSAndroid Build Coastguard Worker     mInputChannelCount = getChannelCount(input.base.channelMask);
181*4d7e907cSAndroid Build Coastguard Worker     mOutputChannelCount = getChannelCount(output.base.channelMask);
182*4d7e907cSAndroid Build Coastguard Worker     if (mInputChannelCount == 0 || mOutputChannelCount == 0) {
183*4d7e907cSAndroid Build Coastguard Worker         LOG(ERROR) << __func__ << " illegal channel count input " << mInputChannelCount
184*4d7e907cSAndroid Build Coastguard Worker                    << ", output " << mOutputChannelCount;
185*4d7e907cSAndroid Build Coastguard Worker         return RetCode::ERROR_ILLEGAL_PARAMETER;
186*4d7e907cSAndroid Build Coastguard Worker     }
187*4d7e907cSAndroid Build Coastguard Worker 
188*4d7e907cSAndroid Build Coastguard Worker     mCommon = common;
189*4d7e907cSAndroid Build Coastguard Worker     return RetCode::SUCCESS;
190*4d7e907cSAndroid Build Coastguard Worker }
191*4d7e907cSAndroid Build Coastguard Worker 
getCommon()192*4d7e907cSAndroid Build Coastguard Worker Parameter::Common EffectContext::getCommon() {
193*4d7e907cSAndroid Build Coastguard Worker     return mCommon;
194*4d7e907cSAndroid Build Coastguard Worker }
195*4d7e907cSAndroid Build Coastguard Worker 
getStatusEventFlag()196*4d7e907cSAndroid Build Coastguard Worker EventFlag* EffectContext::getStatusEventFlag() {
197*4d7e907cSAndroid Build Coastguard Worker     return mEfGroup;
198*4d7e907cSAndroid Build Coastguard Worker }
199*4d7e907cSAndroid Build Coastguard Worker 
updateIOFrameSize(const Parameter::Common & common)200*4d7e907cSAndroid Build Coastguard Worker RetCode EffectContext::updateIOFrameSize(const Parameter::Common& common) {
201*4d7e907cSAndroid Build Coastguard Worker     const auto prevInputFrameSize = mInputFrameSize;
202*4d7e907cSAndroid Build Coastguard Worker     const auto prevOutputFrameSize = mOutputFrameSize;
203*4d7e907cSAndroid Build Coastguard Worker     mInputFrameSize = ::aidl::android::hardware::audio::common::getFrameSizeInBytes(
204*4d7e907cSAndroid Build Coastguard Worker             common.input.base.format, common.input.base.channelMask);
205*4d7e907cSAndroid Build Coastguard Worker     mOutputFrameSize = ::aidl::android::hardware::audio::common::getFrameSizeInBytes(
206*4d7e907cSAndroid Build Coastguard Worker             common.output.base.format, common.output.base.channelMask);
207*4d7e907cSAndroid Build Coastguard Worker 
208*4d7e907cSAndroid Build Coastguard Worker     // workBuffer and data MQ not allocated yet, no need to update
209*4d7e907cSAndroid Build Coastguard Worker     if (mWorkBuffer.size() == 0 || !mInputMQ || !mOutputMQ) {
210*4d7e907cSAndroid Build Coastguard Worker         return RetCode::SUCCESS;
211*4d7e907cSAndroid Build Coastguard Worker     }
212*4d7e907cSAndroid Build Coastguard Worker     // IEffect::reopen introduced in android.hardware.audio.effect-V2
213*4d7e907cSAndroid Build Coastguard Worker     if (mVersion < kReopenSupportedVersion) {
214*4d7e907cSAndroid Build Coastguard Worker         LOG(WARNING) << __func__ << " skipped for HAL version " << mVersion;
215*4d7e907cSAndroid Build Coastguard Worker         return RetCode::SUCCESS;
216*4d7e907cSAndroid Build Coastguard Worker     }
217*4d7e907cSAndroid Build Coastguard Worker     bool needUpdateMq = false;
218*4d7e907cSAndroid Build Coastguard Worker     if (mInputFrameSize != prevInputFrameSize ||
219*4d7e907cSAndroid Build Coastguard Worker         mCommon.input.frameCount != common.input.frameCount) {
220*4d7e907cSAndroid Build Coastguard Worker         mInputMQ.reset();
221*4d7e907cSAndroid Build Coastguard Worker         needUpdateMq = true;
222*4d7e907cSAndroid Build Coastguard Worker     }
223*4d7e907cSAndroid Build Coastguard Worker     if (mOutputFrameSize != prevOutputFrameSize ||
224*4d7e907cSAndroid Build Coastguard Worker         mCommon.output.frameCount != common.output.frameCount) {
225*4d7e907cSAndroid Build Coastguard Worker         mOutputMQ.reset();
226*4d7e907cSAndroid Build Coastguard Worker         needUpdateMq = true;
227*4d7e907cSAndroid Build Coastguard Worker     }
228*4d7e907cSAndroid Build Coastguard Worker 
229*4d7e907cSAndroid Build Coastguard Worker     if (needUpdateMq) {
230*4d7e907cSAndroid Build Coastguard Worker         return notifyDataMqUpdate();
231*4d7e907cSAndroid Build Coastguard Worker     }
232*4d7e907cSAndroid Build Coastguard Worker     return RetCode::SUCCESS;
233*4d7e907cSAndroid Build Coastguard Worker }
234*4d7e907cSAndroid Build Coastguard Worker 
notifyDataMqUpdate()235*4d7e907cSAndroid Build Coastguard Worker RetCode EffectContext::notifyDataMqUpdate() {
236*4d7e907cSAndroid Build Coastguard Worker     if (!mEfGroup) {
237*4d7e907cSAndroid Build Coastguard Worker         LOG(ERROR) << __func__ << ": invalid EventFlag group";
238*4d7e907cSAndroid Build Coastguard Worker         return RetCode::ERROR_EVENT_FLAG_ERROR;
239*4d7e907cSAndroid Build Coastguard Worker     }
240*4d7e907cSAndroid Build Coastguard Worker 
241*4d7e907cSAndroid Build Coastguard Worker     if (const auto ret = mEfGroup->wake(kEventFlagDataMqUpdate); ret != ::android::OK) {
242*4d7e907cSAndroid Build Coastguard Worker         LOG(ERROR) << __func__ << ": wake failure with ret " << ret;
243*4d7e907cSAndroid Build Coastguard Worker         return RetCode::ERROR_EVENT_FLAG_ERROR;
244*4d7e907cSAndroid Build Coastguard Worker     }
245*4d7e907cSAndroid Build Coastguard Worker     LOG(VERBOSE) << __func__ << " : signal client for reopen";
246*4d7e907cSAndroid Build Coastguard Worker     return RetCode::SUCCESS;
247*4d7e907cSAndroid Build Coastguard Worker }
248*4d7e907cSAndroid Build Coastguard Worker 
enable()249*4d7e907cSAndroid Build Coastguard Worker RetCode EffectContext::enable() {
250*4d7e907cSAndroid Build Coastguard Worker     return RetCode::SUCCESS;
251*4d7e907cSAndroid Build Coastguard Worker }
252*4d7e907cSAndroid Build Coastguard Worker 
disable()253*4d7e907cSAndroid Build Coastguard Worker RetCode EffectContext::disable() {
254*4d7e907cSAndroid Build Coastguard Worker     return RetCode::SUCCESS;
255*4d7e907cSAndroid Build Coastguard Worker }
256*4d7e907cSAndroid Build Coastguard Worker 
reset()257*4d7e907cSAndroid Build Coastguard Worker RetCode EffectContext::reset() {
258*4d7e907cSAndroid Build Coastguard Worker     return RetCode::SUCCESS;
259*4d7e907cSAndroid Build Coastguard Worker }
260*4d7e907cSAndroid Build Coastguard Worker 
startDraining()261*4d7e907cSAndroid Build Coastguard Worker RetCode EffectContext::startDraining() {
262*4d7e907cSAndroid Build Coastguard Worker     mIsDraining = true;
263*4d7e907cSAndroid Build Coastguard Worker     return RetCode::SUCCESS;
264*4d7e907cSAndroid Build Coastguard Worker }
265*4d7e907cSAndroid Build Coastguard Worker 
finishDraining()266*4d7e907cSAndroid Build Coastguard Worker RetCode EffectContext::finishDraining() {
267*4d7e907cSAndroid Build Coastguard Worker     mIsDraining = false;
268*4d7e907cSAndroid Build Coastguard Worker     return RetCode::SUCCESS;
269*4d7e907cSAndroid Build Coastguard Worker }
270*4d7e907cSAndroid Build Coastguard Worker 
isDraining()271*4d7e907cSAndroid Build Coastguard Worker bool EffectContext::isDraining() {
272*4d7e907cSAndroid Build Coastguard Worker     return mIsDraining;
273*4d7e907cSAndroid Build Coastguard Worker }
274*4d7e907cSAndroid Build Coastguard Worker 
275*4d7e907cSAndroid Build Coastguard Worker }  // namespace aidl::android::hardware::audio::effect
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