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138 lines
5.7 KiB
138 lines
5.7 KiB
// 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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#pragma once
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// clang-format off
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#include PATH(device/google/atv/audio_proxy/AUDIO_PROXY_FILE_VERSION/IAudioProxyStreamOut.h)
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// clang-format on
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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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using ::android::sp;
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using ::android::Thread;
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using ::android::hardware::EventFlag;
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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::kSynchronizedReadWrite;
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using ::android::hardware::MessageQueue;
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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::CPP_VERSION;
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using namespace ::android::hardware::audio::CPP_VERSION;
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using ::device::google::atv::audio_proxy::AUDIO_PROXY_CPP_VERSION::
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IAudioProxyStreamOut;
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using ::device::google::atv::audio_proxy::AUDIO_PROXY_CPP_VERSION::
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IStreamEventListener;
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namespace audio_proxy {
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namespace AUDIO_PROXY_CPP_VERSION {
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class AudioProxyStreamOut;
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class StreamOutImpl : public IAudioProxyStreamOut {
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public:
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using CommandMQ = MessageQueue<WriteCommand, kSynchronizedReadWrite>;
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using DataMQ = MessageQueue<uint8_t, kSynchronizedReadWrite>;
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using StatusMQ = MessageQueue<WriteStatus, kSynchronizedReadWrite>;
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explicit StreamOutImpl(std::unique_ptr<AudioProxyStreamOut> stream);
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~StreamOutImpl() override;
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// IAudioProxyStreamOut implementations:
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Return<void> setEventListener(const sp<IStreamEventListener>& listener);
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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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Return<uint32_t> getSampleRate() override;
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Return<void> getSupportedSampleRates(
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AudioFormat format, getSupportedSampleRates_cb _hidl_cb) override;
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Return<void> getSupportedChannelMasks(
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AudioFormat format, getSupportedChannelMasks_cb _hidl_cb) override;
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Return<Result> setSampleRate(uint32_t sampleRateHz) override;
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Return<hidl_bitfield<AudioChannelMask>> getChannelMask() override;
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Return<Result> setChannelMask(hidl_bitfield<AudioChannelMask> 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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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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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(
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const hidl_vec<ParameterValue>& context,
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const hidl_vec<ParameterValue>& parameters) override;
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Return<Result> setHwAvSync(uint32_t hwAvSync) override;
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Return<Result> close() override;
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// Methods from ::android::hardware::audio::CPP_VERSION::IStreamOut follow.
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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<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(
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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<void> supportsPauseAndResume(
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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(
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getPresentationPosition_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,
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createMmapBuffer_cb _hidl_cb) override;
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Return<void> getMmapPosition(getMmapPosition_cb _hidl_cb) override;
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Return<void> updateSourceMetadata(
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const SourceMetadata& sourceMetadata) override;
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Return<Result> selectPresentation(int32_t presentationId,
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int32_t programId) override;
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private:
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typedef void (*EventFlagDeleter)(EventFlag*);
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Result closeImpl();
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std::unique_ptr<AudioProxyStreamOut> mStream;
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sp<IStreamEventListener> mEventListener;
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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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std::unique_ptr<EventFlag, EventFlagDeleter> mEventFlag;
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std::atomic<bool> mStopWriteThread = false;
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sp<Thread> mWriteThread;
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};
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} // namespace AUDIO_PROXY_CPP_VERSION
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} // namespace audio_proxy
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