126 lines
4.9 KiB
C++
126 lines
4.9 KiB
C++
/*
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* Copyright (C) 2022 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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#pragma once
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#include <any>
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#include <map>
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#include <optional>
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#include <set>
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#include <tuple>
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#include <vector>
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#include <aidl/android/hardware/audio/effect/BnFactory.h>
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#include <android-base/thread_annotations.h>
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#include "EffectConfig.h"
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namespace aidl::android::hardware::audio::effect {
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class Factory : public BnFactory {
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public:
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explicit Factory(const std::string& file);
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/**
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* @brief Get identity of all effects supported by the device, with the optional filter by type
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* and/or by instance UUID.
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*
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* @param in_type Type UUID.
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* @param in_instance Instance UUID.
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* @param in_proxy Proxy UUID.
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* @param out_descriptor List of Descriptors.
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* @return ndk::ScopedAStatus
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*/
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ndk::ScopedAStatus queryEffects(
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const std::optional<::aidl::android::media::audio::common::AudioUuid>& in_type,
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const std::optional<::aidl::android::media::audio::common::AudioUuid>& in_instance,
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const std::optional<::aidl::android::media::audio::common::AudioUuid>& in_proxy,
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std::vector<Descriptor>* out_descriptor) override;
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/**
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* @brief Query list of defined processing, with the optional filter by AudioStreamType
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*
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* @param in_type Type of processing, could be AudioStreamType or AudioSource. Optional.
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* @param _aidl_return List of processing filtered by in_type.
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* @return ndk::ScopedAStatus
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*/
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ndk::ScopedAStatus queryProcessing(const std::optional<Processing::Type>& in_type,
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std::vector<Processing>* _aidl_return) override;
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/**
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* @brief Create an effect instance for a certain implementation (identified by UUID).
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*
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* @param in_impl_uuid Effect implementation UUID.
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* @param _aidl_return A pointer to created effect instance.
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* @return ndk::ScopedAStatus
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*/
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ndk::ScopedAStatus createEffect(
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const ::aidl::android::media::audio::common::AudioUuid& in_impl_uuid,
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std::shared_ptr<::aidl::android::hardware::audio::effect::IEffect>* _aidl_return)
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override;
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/**
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* @brief Destroy an effect instance.
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*
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* @param in_handle Effect instance handle.
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* @return ndk::ScopedAStatus
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*/
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ndk::ScopedAStatus destroyEffect(
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const std::shared_ptr<::aidl::android::hardware::audio::effect::IEffect>& in_handle)
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override;
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private:
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const EffectConfig mConfig;
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~Factory();
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std::mutex mMutex;
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// Set of effect descriptors supported by the devices.
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std::set<Descriptor> mDescSet GUARDED_BY(mMutex);
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std::set<Descriptor::Identity> mIdentitySet GUARDED_BY(mMutex);
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static constexpr int kMapEntryHandleIndex = 0;
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static constexpr int kMapEntryInterfaceIndex = 1;
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static constexpr int kMapEntryLibNameIndex = 2;
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typedef std::tuple<std::unique_ptr<void, std::function<void(void*)>> /* dlHandle */,
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std::unique_ptr<struct effect_dl_interface_s> /* interfaces */,
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std::string /* library name */>
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DlEntry;
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std::map<aidl::android::media::audio::common::AudioUuid /* implUUID */, DlEntry> mEffectLibMap
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GUARDED_BY(mMutex);
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typedef std::pair<aidl::android::media::audio::common::AudioUuid, ndk::SpAIBinder> EffectEntry;
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std::map<std::weak_ptr<IEffect>, EffectEntry, std::owner_less<>> mEffectMap GUARDED_BY(mMutex);
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ndk::ScopedAStatus destroyEffectImpl_l(const std::shared_ptr<IEffect>& in_handle)
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REQUIRES(mMutex);
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void cleanupEffectMap_l() REQUIRES(mMutex);
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bool openEffectLibrary(const ::aidl::android::media::audio::common::AudioUuid& impl,
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const std::string& path);
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void createIdentityWithConfig(
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const EffectConfig::Library& configLib,
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const ::aidl::android::media::audio::common::AudioUuid& typeUuidStr,
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const std::optional<::aidl::android::media::audio::common::AudioUuid> proxyUuid);
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ndk::ScopedAStatus getDescriptorWithUuid_l(
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const aidl::android::media::audio::common::AudioUuid& uuid, Descriptor* desc)
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REQUIRES(mMutex);
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void loadEffectLibs();
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/* Get effect_dl_interface_s from library handle */
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void getDlSyms_l(DlEntry& entry) REQUIRES(mMutex);
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};
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} // namespace aidl::android::hardware::audio::effect
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