Konsta
114 lines
4.3 KiB
C++
114 lines
4.3 KiB
C++
/*
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* Copyright (C) 2023 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 <mutex>
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#include <vector>
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#include <android-base/thread_annotations.h>
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#include "DriverStubImpl.h"
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#include "StreamAlsa.h"
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#include "primary/PrimaryMixer.h"
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namespace aidl::android::hardware::audio::core {
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class StreamPrimary : public StreamAlsa {
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public:
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StreamPrimary(StreamContext* context, const Metadata& metadata);
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// Methods of 'DriverInterface'.
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::android::status_t init(DriverCallbackInterface* callback) override;
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::android::status_t drain(StreamDescriptor::DrainMode mode) override;
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::android::status_t flush() override;
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::android::status_t pause() override;
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::android::status_t standby() override;
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::android::status_t start() override;
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::android::status_t transfer(void* buffer, size_t frameCount, size_t* actualFrameCount,
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int32_t* latencyMs) override;
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::android::status_t refinePosition(StreamDescriptor::Position* position) override;
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void shutdown() override;
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// Overridden methods of 'StreamCommonImpl', called on a Binder thread.
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ndk::ScopedAStatus setConnectedDevices(const ConnectedDevices& devices) override;
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protected:
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std::vector<alsa::DeviceProfile> getDeviceProfiles() override;
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bool isStubStream();
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const bool mIsAsynchronous;
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int64_t mStartTimeNs = 0;
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long mFramesSinceStart = 0;
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bool mSkipNextTransfer = false;
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private:
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using AlsaDeviceId = std::pair<int, int>;
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static constexpr StreamPrimary::AlsaDeviceId kDefaultCardAndDeviceId{
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primary::PrimaryMixer::kAlsaCard, primary::PrimaryMixer::kAlsaDevice};
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static constexpr StreamPrimary::AlsaDeviceId kStubDeviceId{
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primary::PrimaryMixer::kInvalidAlsaCard, primary::PrimaryMixer::kInvalidAlsaDevice};
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static AlsaDeviceId getCardAndDeviceId(
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const std::vector<::aidl::android::media::audio::common::AudioDevice>& devices);
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static bool useStubStream(bool isInput,
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const ::aidl::android::media::audio::common::AudioDevice& device);
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bool isStubStreamOnWorker() const { return mCurrAlsaDeviceId == kStubDeviceId; }
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DriverStubImpl mStubDriver;
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mutable std::mutex mLock;
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AlsaDeviceId mAlsaDeviceId GUARDED_BY(mLock) = kStubDeviceId;
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// Used by the worker thread only.
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AlsaDeviceId mCurrAlsaDeviceId = kStubDeviceId;
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};
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class StreamInPrimary final : public StreamIn, public StreamPrimary, public StreamInHwGainHelper {
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public:
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friend class ndk::SharedRefBase;
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StreamInPrimary(
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StreamContext&& context,
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const ::aidl::android::hardware::audio::common::SinkMetadata& sinkMetadata,
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const std::vector<::aidl::android::media::audio::common::MicrophoneInfo>& microphones);
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private:
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void onClose(StreamDescriptor::State) override { defaultOnClose(); }
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ndk::ScopedAStatus getHwGain(std::vector<float>* _aidl_return) override;
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ndk::ScopedAStatus setHwGain(const std::vector<float>& in_channelGains) override;
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};
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class StreamOutPrimary final : public StreamOut,
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public StreamPrimary,
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public StreamOutHwVolumeHelper {
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public:
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friend class ndk::SharedRefBase;
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StreamOutPrimary(StreamContext&& context,
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const ::aidl::android::hardware::audio::common::SourceMetadata& sourceMetadata,
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const std::optional<::aidl::android::media::audio::common::AudioOffloadInfo>&
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offloadInfo);
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private:
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void onClose(StreamDescriptor::State) override { defaultOnClose(); }
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ndk::ScopedAStatus getHwVolume(std::vector<float>* _aidl_return) override;
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ndk::ScopedAStatus setHwVolume(const std::vector<float>& in_channelVolumes) override;
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};
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} // namespace aidl::android::hardware::audio::core
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