140 lines
6.2 KiB
C++
140 lines
6.2 KiB
C++
/*
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* Copyright (C) 2020 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 <atomic>
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#include PATH(android/hardware/audio/FILE_VERSION/IStreamOut.h)
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#include PATH(android/hardware/audio/FILE_VERSION/IDevice.h)
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#include "stream_common.h"
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#include "io_thread.h"
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#include "primary_device.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_bitfield;
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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 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 ::android::hardware::audio::CPP_VERSION::IStreamOut;
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struct StreamOut : public IStreamOut {
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StreamOut(sp<Device> dev,
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int32_t ioHandle,
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const DeviceAddress& device,
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const AudioConfig& config,
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hidl_vec<AudioInOutFlag> flags,
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const SourceMetadata& sourceMetadata);
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~StreamOut();
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// IStream
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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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Return<void> getSupportedProfiles(getSupportedProfiles_cb _hidl_cb) override;
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Return<void> getAudioProperties(getAudioProperties_cb _hidl_cb) override;
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Return<Result> setAudioProperties(const AudioConfigBaseOptional& config) 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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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<Result> setHwAvSync(uint32_t hwAvSync) 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<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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Return<Result> close() override;
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// IStreamOut
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Return<uint32_t> getLatency() override;
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Return<Result> setVolume(float left, float right) override;
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Return<Result> updateSourceMetadata(const SourceMetadata& sourceMetadata) override;
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Return<void> prepareForWriting(uint32_t frameSize, uint32_t framesCount,
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prepareForWriting_cb _hidl_cb) override;
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Return<void> getRenderPosition(getRenderPosition_cb _hidl_cb) override;
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Return<void> getNextWriteTimestamp(getNextWriteTimestamp_cb _hidl_cb) override;
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Return<Result> setCallback(const sp<IStreamOutCallback>& callback) override;
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Return<Result> clearCallback() override;
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Return<Result> setEventCallback(const sp<IStreamOutEventCallback>& callback) override;
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Return<void> supportsPauseAndResume(supportsPauseAndResume_cb _hidl_cb) override;
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Return<Result> pause() override;
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Return<Result> resume() override;
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Return<bool> supportsDrain() override;
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Return<Result> drain(AudioDrain type) override;
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Return<Result> flush() override;
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Return<void> getPresentationPosition(getPresentationPosition_cb _hidl_cb) override;
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Return<Result> selectPresentation(int32_t presentationId, int32_t programId) override;
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Return<void> getDualMonoMode(getDualMonoMode_cb _hidl_cb) override;
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Return<Result> setDualMonoMode(DualMonoMode mode) override;
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Return<void> getAudioDescriptionMixLevel(getAudioDescriptionMixLevel_cb _hidl_cb) override;
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Return<Result> setAudioDescriptionMixLevel(float leveldB) override;
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Return<void> getPlaybackRateParameters(getPlaybackRateParameters_cb _hidl_cb) override;
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Return<Result> setPlaybackRateParameters(const PlaybackRate &playbackRate) override;
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#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
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Return<Result> setLatencyMode(LatencyMode mode) override;
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Return<void> getRecommendedLatencyModes(getRecommendedLatencyModes_cb _hidl_cb) override;
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Return<Result> setLatencyModeCallback(
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const sp<IStreamOutLatencyModeCallback>& callback) override;
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#endif
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void setMasterVolume(float volume);
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float getEffectiveVolume() const { return mEffectiveVolume; }
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const DeviceAddress &getDeviceAddress() const { return mCommon.m_device; }
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const AudioConfig &getAudioConfig() const { return mCommon.m_config; }
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const hidl_vec<AudioInOutFlag> &getAudioOutputFlags() const { return mCommon.m_flags; }
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uint64_t &getFrameCounter() { return mFrames; }
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static bool validateDeviceAddress(const DeviceAddress& device);
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static bool validateFlags(const hidl_vec<AudioInOutFlag>& flags);
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static bool validateSourceMetadata(const SourceMetadata& sourceMetadata);
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private:
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Result closeImpl(bool fromDctor);
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void updateEffectiveVolumeLocked();
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sp<Device> mDev;
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const StreamCommon mCommon;
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const SourceMetadata mSourceMetadata;
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std::unique_ptr<IOThread> mWriteThread;
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float mMasterVolume = 1.0f; // requires mMutex
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float mStreamVolume = 1.0f; // requires mMutex
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std::atomic<float> mEffectiveVolume = 1.0f;
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std::mutex mMutex;
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// The count is not reset to zero when output enters standby.
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uint64_t mFrames = 0;
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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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