Files
hardware_interfaces/audio/aidl/default/include/effectFactory-impl/EffectFactory.h
Shunkai Yao 60b34b78a4 Add effect config xml parser in AIDL effect factory
Bug: 255361653
Test: parse an example audio_effects.xml
atest VtsHalAudioEffectFactoryTargetTest
atest VtsHalAudioEffectTargetTest
atest VtsHalEqualizerTargetTest

Change-Id: I566aaf814470342f1ef55414889bbd3aea462f9a
2022-11-11 00:14:50 +00:00

107 lines
4.1 KiB
C++

/*
* Copyright (C) 2022 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.
*/
#pragma once
#include <any>
#include <map>
#include <optional>
#include <set>
#include <vector>
#include <aidl/android/hardware/audio/effect/BnFactory.h>
#include "EffectConfig.h"
namespace aidl::android::hardware::audio::effect {
class Factory : public BnFactory {
public:
explicit Factory(const std::string& file);
/**
* @brief Get identity of all effects supported by the device, with the optional filter by type
* and/or by instance UUID.
*
* @param in_type Type UUID.
* @param in_instance Instance UUID.
* @param in_proxy Proxy UUID.
* @param out_descriptor List of identities .
* @return ndk::ScopedAStatus
*/
ndk::ScopedAStatus queryEffects(
const std::optional<::aidl::android::media::audio::common::AudioUuid>& in_type,
const std::optional<::aidl::android::media::audio::common::AudioUuid>& in_instance,
const std::optional<::aidl::android::media::audio::common::AudioUuid>& in_proxy,
std::vector<Descriptor::Identity>* out_descriptor) override;
/**
* @brief Query list of defined processing, with the optional filter by AudioStreamType
*
* @param in_type Type of processing, could be AudioStreamType or AudioSource. Optional.
* @param _aidl_return List of processing filtered by in_type.
* @return ndk::ScopedAStatus
*/
ndk::ScopedAStatus queryProcessing(const std::optional<Processing::Type>& in_type,
std::vector<Processing>* _aidl_return) override;
/**
* @brief Create an effect instance for a certain implementation (identified by UUID).
*
* @param in_impl_uuid Effect implementation UUID.
* @param _aidl_return A pointer to created effect instance.
* @return ndk::ScopedAStatus
*/
ndk::ScopedAStatus createEffect(
const ::aidl::android::media::audio::common::AudioUuid& in_impl_uuid,
std::shared_ptr<::aidl::android::hardware::audio::effect::IEffect>* _aidl_return)
override;
/**
* @brief Destroy an effect instance.
*
* @param in_handle Effect instance handle.
* @return ndk::ScopedAStatus
*/
ndk::ScopedAStatus destroyEffect(
const std::shared_ptr<::aidl::android::hardware::audio::effect::IEffect>& in_handle)
override;
private:
const EffectConfig mConfig;
~Factory();
// Set of effect descriptors supported by the devices.
std::set<Descriptor::Identity> mIdentitySet;
std::map<aidl::android::media::audio::common::AudioUuid /* implementationUUID */,
std::pair<std::unique_ptr<void, std::function<void(void*)>> /* dlHandle */,
std::unique_ptr<struct effect_dl_interface_s>>>
mEffectLibMap;
std::map<std::weak_ptr<IEffect>, aidl::android::media::audio::common::AudioUuid,
std::owner_less<>>
mEffectUuidMap;
ndk::ScopedAStatus destroyEffectImpl(const std::shared_ptr<IEffect>& in_handle);
void cleanupEffectMap();
void openEffectLibrary(const ::aidl::android::media::audio::common::AudioUuid& impl,
const std::string& libName);
void createIdentityWithConfig(
const EffectConfig::LibraryUuid& configLib,
const ::aidl::android::media::audio::common::AudioUuid& typeUuid,
const std::optional<::aidl::android::media::audio::common::AudioUuid> proxyUuid);
void loadEffectLibs();
};
} // namespace aidl::android::hardware::audio::effect