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.
163 lines
6.7 KiB
C++
163 lines
6.7 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_STREAMIN_H
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#define ANDROID_HARDWARE_AUDIO_STREAMIN_H
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// clang-format off
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#include PATH(android/hardware/audio/CORE_TYPES_FILE_VERSION/IStreamIn.h)
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// clang-format on
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#include "Device.h"
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#include "Stream.h"
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#include <atomic>
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#include <memory>
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#include <fmq/EventFlag.h>
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#include <fmq/MessageQueue.h>
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#include <hidl/MQDescriptor.h>
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#include <hidl/Status.h>
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#include <utils/Thread.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 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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struct StreamIn : public IStreamIn {
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typedef MessageQueue<ReadParameters, kSynchronizedReadWrite> CommandMQ;
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typedef MessageQueue<uint8_t, kSynchronizedReadWrite> DataMQ;
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typedef MessageQueue<ReadStatus, kSynchronizedReadWrite> StatusMQ;
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StreamIn(const sp<Device>& device, audio_stream_in_t* stream);
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// Methods from ::android::hardware::audio::CPP_VERSION::IStream follow.
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Return<uint64_t> getFrameSize() override;
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Return<uint64_t> getFrameCount() override;
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Return<uint64_t> getBufferSize() override;
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#if MAJOR_VERSION <= 6
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Return<uint32_t> getSampleRate() override;
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#if MAJOR_VERSION == 2
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Return<void> getSupportedSampleRates(getSupportedSampleRates_cb _hidl_cb) override;
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Return<void> getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) override;
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#endif
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Return<void> getSupportedSampleRates(AudioFormat format, getSupportedSampleRates_cb _hidl_cb);
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Return<void> getSupportedChannelMasks(AudioFormat format, getSupportedChannelMasks_cb _hidl_cb);
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Return<Result> setSampleRate(uint32_t sampleRateHz) override;
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Return<AudioChannelBitfield> getChannelMask() override;
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Return<Result> setChannelMask(AudioChannelBitfield mask) override;
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Return<AudioFormat> getFormat() override;
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Return<void> getSupportedFormats(getSupportedFormats_cb _hidl_cb) override;
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Return<Result> setFormat(AudioFormat format) override;
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#else
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Return<void> getSupportedProfiles(getSupportedProfiles_cb _hidl_cb) override;
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Return<Result> setAudioProperties(const AudioConfigBaseOptional& config) override;
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#endif // MAJOR_VERSION <= 6
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Return<void> getAudioProperties(getAudioProperties_cb _hidl_cb) override;
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Return<Result> addEffect(uint64_t effectId) override;
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Return<Result> removeEffect(uint64_t effectId) override;
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Return<Result> standby() override;
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#if MAJOR_VERSION == 2
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Return<AudioDevice> getDevice() override;
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Return<Result> setDevice(const DeviceAddress& address) 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<Result> setConnectedState(const DeviceAddress& address, bool connected) override;
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#elif MAJOR_VERSION >= 4
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Return<void> getDevices(getDevices_cb _hidl_cb) override;
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Return<Result> setDevices(const hidl_vec<DeviceAddress>& devices) 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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#endif
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Return<Result> setHwAvSync(uint32_t hwAvSync) override;
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Return<Result> close() override;
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Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override;
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#if MAJOR_VERSION == 2
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Return<void> debugDump(const hidl_handle& fd) override;
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#endif
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// Methods from ::android::hardware::audio::CPP_VERSION::IStreamIn follow.
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Return<void> getAudioSource(getAudioSource_cb _hidl_cb) override;
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Return<Result> setGain(float gain) override;
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Return<void> prepareForReading(uint32_t frameSize, uint32_t framesCount,
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prepareForReading_cb _hidl_cb) override;
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Return<uint32_t> getInputFramesLost() override;
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Return<void> getCapturePosition(getCapturePosition_cb _hidl_cb) override;
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Return<Result> start() override;
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Return<Result> stop() override;
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Return<void> createMmapBuffer(int32_t minSizeFrames, createMmapBuffer_cb _hidl_cb) override;
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Return<void> getMmapPosition(getMmapPosition_cb _hidl_cb) override;
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#if MAJOR_VERSION >= 4
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#if MAJOR_VERSION <= 6
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Return<void> updateSinkMetadata(const SinkMetadata& sinkMetadata) override;
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#else
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Return<Result> updateSinkMetadata(const SinkMetadata& sinkMetadata) override;
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#endif
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Return<void> getActiveMicrophones(getActiveMicrophones_cb _hidl_cb) override;
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#endif // MAJOR_VERSION >= 4
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#if MAJOR_VERSION >= 5
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Return<Result> setMicrophoneDirection(MicrophoneDirection direction) override;
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Return<Result> setMicrophoneFieldDimension(float zoom) override;
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#endif
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static Result getCapturePositionImpl(audio_stream_in_t* stream, uint64_t* frames,
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uint64_t* time);
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private:
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#if MAJOR_VERSION >= 4
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Result doUpdateSinkMetadata(const SinkMetadata& sinkMetadata);
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#if MAJOR_VERSION >= 7
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Result doUpdateSinkMetadataV7(const SinkMetadata& sinkMetadata);
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#endif
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#endif // MAJOR_VERSION >= 4
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const sp<Device> mDevice;
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audio_stream_in_t* mStream;
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const sp<Stream> mStreamCommon;
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const sp<StreamMmap<audio_stream_in_t>> mStreamMmap;
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std::unique_ptr<CommandMQ> mCommandMQ;
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std::unique_ptr<DataMQ> mDataMQ;
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std::unique_ptr<StatusMQ> mStatusMQ;
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EventFlag* mEfGroup;
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std::atomic<bool> mStopReadThread;
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sp<Thread> mReadThread;
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virtual ~StreamIn();
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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_STREAMIN_H
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