Peter Cai
94f2037c77
This will allow us to dynamically load multiple different versions of audio interface implementation into the same sysbta hal process. Note that since we are using a weird suffix here, the default `registerPassthroughServiceImplementation` will not work, and we will have to define our own dynamic symbol for it.
204 lines
8.7 KiB
C++
204 lines
8.7 KiB
C++
/*
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* Copyright (C) 2018 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_AUDIO_DEVICE_H
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#define ANDROID_HARDWARE_AUDIO_DEVICE_H
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#include PATH(android/hardware/audio/FILE_VERSION/IDevice.h)
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#include "ParametersUtil.h"
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#include <memory>
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#include <hardware/audio.h>
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#include <media/AudioParameter.h>
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#include <hidl/Status.h>
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#include <hidl/MQDescriptor.h>
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#include <VersionUtils.h>
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#include <util/CoreUtils.h>
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namespace android {
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namespace hardware {
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namespace audio {
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namespace CPP_VERSION {
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namespace implementation {
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using ::android::sp;
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using ::android::hardware::hidl_string;
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using ::android::hardware::hidl_vec;
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using ::android::hardware::Return;
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using ::android::hardware::Void;
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using ::android::hardware::audio::CORE_TYPES_CPP_VERSION::implementation::CoreUtils;
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using ::android::hardware::audio::CORE_TYPES_CPP_VERSION::implementation::ParametersUtil;
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using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
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using namespace ::android::hardware::audio::CORE_TYPES_CPP_VERSION;
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using namespace ::android::hardware::audio::CPP_VERSION;
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using AudioInputFlags = CoreUtils::AudioInputFlags;
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using AudioOutputFlags = CoreUtils::AudioOutputFlags;
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struct Device : public IDevice, public ParametersUtil {
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explicit Device(audio_hw_device_t* device);
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// Methods from ::android::hardware::audio::CPP_VERSION::IDevice follow.
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Return<Result> initCheck() override;
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Return<Result> setMasterVolume(float volume) override;
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Return<void> getMasterVolume(getMasterVolume_cb _hidl_cb) override;
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Return<Result> setMicMute(bool mute) override;
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Return<void> getMicMute(getMicMute_cb _hidl_cb) override;
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Return<Result> setMasterMute(bool mute) override;
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Return<void> getMasterMute(getMasterMute_cb _hidl_cb) override;
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Return<void> getInputBufferSize(const AudioConfig& config,
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getInputBufferSize_cb _hidl_cb) override;
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std::tuple<Result, sp<IStreamOut>> openOutputStreamCore(int32_t ioHandle,
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const DeviceAddress& device,
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const AudioConfig& config,
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const AudioOutputFlags& flags,
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AudioConfig* suggestedConfig);
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std::tuple<Result, sp<IStreamIn>> openInputStreamCore(
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int32_t ioHandle, const DeviceAddress& device, const AudioConfig& config,
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const AudioInputFlags& flags, AudioSource source, AudioConfig* suggestedConfig);
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#if MAJOR_VERSION >= 4
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std::tuple<Result, sp<IStreamOut>, AudioConfig> openOutputStreamImpl(
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int32_t ioHandle, const DeviceAddress& device, const AudioConfig& config,
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const SourceMetadata& sourceMetadata,
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#if MAJOR_VERSION <= 6
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AudioOutputFlags flags);
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#else
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const AudioOutputFlags& flags);
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#endif
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std::tuple<Result, sp<IStreamIn>, AudioConfig> openInputStreamImpl(
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int32_t ioHandle, const DeviceAddress& device, const AudioConfig& config,
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#if MAJOR_VERSION <= 6
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AudioInputFlags flags,
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#else
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const AudioInputFlags& flags,
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#endif
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const SinkMetadata& sinkMetadata);
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#endif // MAJOR_VERSION >= 4
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Return<void> openOutputStream(int32_t ioHandle, const DeviceAddress& device,
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const AudioConfig& config,
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#if MAJOR_VERSION <= 6
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AudioOutputFlags flags,
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#else
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const AudioOutputFlags& flags,
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#endif
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#if MAJOR_VERSION >= 4
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const SourceMetadata& sourceMetadata,
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#endif
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openOutputStream_cb _hidl_cb) override;
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Return<void> openInputStream(int32_t ioHandle, const DeviceAddress& device,
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const AudioConfig& config,
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#if MAJOR_VERSION <= 6
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AudioInputFlags flags,
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#else
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const AudioInputFlags& flags,
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#endif
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#if MAJOR_VERSION == 2
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AudioSource source,
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#elif MAJOR_VERSION >= 4
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const SinkMetadata& sinkMetadata,
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#endif
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openInputStream_cb _hidl_cb) override;
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#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
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Return<void> openOutputStream_7_1(int32_t ioHandle, const DeviceAddress& device,
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const AudioConfig& config, const AudioOutputFlags& flags,
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const SourceMetadata& sourceMetadata,
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openOutputStream_7_1_cb _hidl_cb) override;
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#endif
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Return<bool> supportsAudioPatches() override;
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Return<void> createAudioPatch(const hidl_vec<AudioPortConfig>& sources,
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const hidl_vec<AudioPortConfig>& sinks,
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createAudioPatch_cb _hidl_cb) override;
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Return<Result> releaseAudioPatch(int32_t patch) override;
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Return<void> getAudioPort(const AudioPort& port, getAudioPort_cb _hidl_cb) override;
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Return<Result> setAudioPortConfig(const AudioPortConfig& config) override;
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Return<Result> setScreenState(bool turnedOn) override;
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#if MAJOR_VERSION == 2
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Return<AudioHwSync> getHwAvSync() override;
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Return<void> getParameters(const hidl_vec<hidl_string>& keys,
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getParameters_cb _hidl_cb) override;
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Return<Result> setParameters(const hidl_vec<ParameterValue>& parameters) override;
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Return<void> debugDump(const hidl_handle& fd) override;
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#elif MAJOR_VERSION >= 4
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Return<void> getHwAvSync(getHwAvSync_cb _hidl_cb) override;
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Return<void> getParameters(const hidl_vec<ParameterValue>& context,
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const hidl_vec<hidl_string>& keys,
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getParameters_cb _hidl_cb) override;
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Return<Result> setParameters(const hidl_vec<ParameterValue>& context,
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const hidl_vec<ParameterValue>& parameters) override;
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Return<void> getMicrophones(getMicrophones_cb _hidl_cb) override;
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Return<Result> setConnectedState(const DeviceAddress& address, bool connected) override;
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#endif
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#if MAJOR_VERSION >= 6
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Return<Result> close() override;
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Return<Result> addDeviceEffect(AudioPortHandle device, uint64_t effectId) override;
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Return<Result> removeDeviceEffect(AudioPortHandle device, uint64_t effectId) override;
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Return<void> updateAudioPatch(int32_t previousPatch, const hidl_vec<AudioPortConfig>& sources,
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const hidl_vec<AudioPortConfig>& sinks,
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createAudioPatch_cb _hidl_cb) override;
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#endif
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#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
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Return<Result> setConnectedState_7_1(const AudioPort& devicePort, bool connected) override;
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#endif
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Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override;
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// Utility methods for extending interfaces.
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Result analyzeStatus(const char* funcName, int status,
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const std::vector<int>& ignoreErrors = {});
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void closeInputStream(audio_stream_in_t* stream);
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void closeOutputStream(audio_stream_out_t* stream);
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audio_hw_device_t* device() const { return mDevice; }
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uint32_t version() const { return mDevice->common.version; }
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private:
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bool mIsClosed;
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audio_hw_device_t* mDevice;
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int mOpenedStreamsCount = 0;
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virtual ~Device();
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Result doClose();
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std::tuple<Result, AudioPatchHandle> createOrUpdateAudioPatch(
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AudioPatchHandle patch, const hidl_vec<AudioPortConfig>& sources,
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const hidl_vec<AudioPortConfig>& sinks);
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template <typename HalPort>
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Return<void> getAudioPortImpl(const AudioPort& port, getAudioPort_cb _hidl_cb,
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int (*halGetter)(audio_hw_device_t*, HalPort*),
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const char* halGetterName);
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// Methods from ParametersUtil.
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char* halGetParameters(const char* keys) override;
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int halSetParameters(const char* keysAndValues) override;
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};
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} // namespace implementation
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} // namespace CPP_VERSION
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} // namespace audio
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} // namespace hardware
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} // namespace android
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#endif // ANDROID_HARDWARE_AUDIO_DEVICE_H
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