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104 lines
3.3 KiB
104 lines
3.3 KiB
4 months ago
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/*
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* Copyright (C) 2016 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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#ifndef ANDROID_HARDWARE_EFFECT_HAL_HIDL_H
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#define ANDROID_HARDWARE_EFFECT_HAL_HIDL_H
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#include PATH(android/hardware/audio/effect/FILE_VERSION/IEffect.h)
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#include <media/audiohal/EffectHalInterface.h>
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#include <fmq/EventFlag.h>
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#include <fmq/MessageQueue.h>
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#include <system/audio_effect.h>
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using ::android::hardware::EventFlag;
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using ::android::hardware::MessageQueue;
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namespace android {
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namespace effect {
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namespace CPP_VERSION {
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using namespace ::android::hardware::audio::effect::CPP_VERSION;
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class EffectHalHidl : public EffectHalInterface
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{
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public:
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// Set the input buffer.
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virtual status_t setInBuffer(const sp<EffectBufferHalInterface>& buffer);
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// Set the output buffer.
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virtual status_t setOutBuffer(const sp<EffectBufferHalInterface>& buffer);
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// Effect process function.
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virtual status_t process();
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// Process reverse stream function. This function is used to pass
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// a reference stream to the effect engine.
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virtual status_t processReverse();
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// Send a command and receive a response to/from effect engine.
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virtual status_t command(uint32_t cmdCode, uint32_t cmdSize, void *pCmdData,
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uint32_t *replySize, void *pReplyData);
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// Returns the effect descriptor.
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virtual status_t getDescriptor(effect_descriptor_t *pDescriptor);
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// Free resources on the remote side.
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virtual status_t close();
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// Whether it's a local implementation.
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virtual bool isLocal() const { return false; }
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virtual status_t dump(int fd);
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uint64_t effectId() const { return mEffectId; }
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private:
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friend class EffectsFactoryHalHidl;
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typedef MessageQueue<Result, hardware::kSynchronizedReadWrite> StatusMQ;
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sp<IEffect> mEffect;
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const uint64_t mEffectId;
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sp<EffectBufferHalInterface> mInBuffer;
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sp<EffectBufferHalInterface> mOutBuffer;
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bool mBuffersChanged;
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std::unique_ptr<StatusMQ> mStatusMQ;
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EventFlag* mEfGroup;
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bool mIsInput = false;
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static status_t analyzeResult(const Result& result);
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// Can not be constructed directly by clients.
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EffectHalHidl(const sp<IEffect>& effect, uint64_t effectId);
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// The destructor automatically releases the effect.
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virtual ~EffectHalHidl();
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status_t getConfigImpl(uint32_t cmdCode, uint32_t *replySize, void *pReplyData);
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status_t prepareForProcessing();
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bool needToResetBuffers();
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status_t processImpl(uint32_t mqFlag);
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status_t setConfigImpl(
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uint32_t cmdCode, uint32_t cmdSize, void *pCmdData,
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uint32_t *replySize, void *pReplyData);
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status_t setProcessBuffers();
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};
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} // namespace CPP_VERSION
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} // namespace effect
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} // namespace android
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#endif // ANDROID_HARDWARE_EFFECT_HAL_HIDL_H
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