| // Copyright (C) 2020 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #pragma once |
| |
| // clang-format off |
| #include PATH(android/hardware/audio/FILE_VERSION/IStreamOut.h) |
| // clang-format on |
| |
| #include <fmq/EventFlag.h> |
| #include <fmq/MessageQueue.h> |
| #include <hidl/MQDescriptor.h> |
| #include <hidl/Status.h> |
| #include <utils/Thread.h> |
| |
| using ::android::sp; |
| using ::android::Thread; |
| using ::android::hardware::EventFlag; |
| using ::android::hardware::hidl_bitfield; |
| using ::android::hardware::hidl_string; |
| using ::android::hardware::hidl_vec; |
| using ::android::hardware::kSynchronizedReadWrite; |
| using ::android::hardware::MessageQueue; |
| using ::android::hardware::Return; |
| using ::android::hardware::Void; |
| using namespace ::android::hardware::audio::common::CPP_VERSION; |
| using namespace ::android::hardware::audio::CPP_VERSION; |
| |
| namespace audio_proxy { |
| namespace CPP_VERSION { |
| class AudioProxyStreamOut; |
| |
| class StreamOutImpl : public IStreamOut { |
| public: |
| using CommandMQ = MessageQueue<WriteCommand, kSynchronizedReadWrite>; |
| using DataMQ = MessageQueue<uint8_t, kSynchronizedReadWrite>; |
| using StatusMQ = MessageQueue<WriteStatus, kSynchronizedReadWrite>; |
| |
| explicit StreamOutImpl(std::unique_ptr<AudioProxyStreamOut> stream); |
| ~StreamOutImpl() override; |
| |
| // Methods from ::android::hardware::audio::CPP_VERSION::IStream follow. |
| Return<uint64_t> getFrameSize() override; |
| Return<uint64_t> getFrameCount() override; |
| Return<uint64_t> getBufferSize() override; |
| Return<uint32_t> getSampleRate() override; |
| Return<void> getSupportedSampleRates( |
| AudioFormat format, getSupportedSampleRates_cb _hidl_cb) override; |
| Return<void> getSupportedChannelMasks( |
| AudioFormat format, getSupportedChannelMasks_cb _hidl_cb) override; |
| Return<Result> setSampleRate(uint32_t sampleRateHz) override; |
| Return<hidl_bitfield<AudioChannelMask>> getChannelMask() override; |
| Return<Result> setChannelMask(hidl_bitfield<AudioChannelMask> mask) override; |
| Return<AudioFormat> getFormat() override; |
| Return<void> getSupportedFormats(getSupportedFormats_cb _hidl_cb) override; |
| Return<Result> setFormat(AudioFormat format) override; |
| Return<void> getAudioProperties(getAudioProperties_cb _hidl_cb) override; |
| Return<Result> addEffect(uint64_t effectId) override; |
| Return<Result> removeEffect(uint64_t effectId) override; |
| Return<Result> standby() override; |
| Return<void> getDevices(getDevices_cb _hidl_cb) override; |
| Return<Result> setDevices(const hidl_vec<DeviceAddress>& devices) override; |
| Return<void> getParameters(const hidl_vec<ParameterValue>& context, |
| const hidl_vec<hidl_string>& keys, |
| getParameters_cb _hidl_cb) override; |
| Return<Result> setParameters( |
| const hidl_vec<ParameterValue>& context, |
| const hidl_vec<ParameterValue>& parameters) override; |
| Return<Result> setHwAvSync(uint32_t hwAvSync) override; |
| Return<Result> close() override; |
| |
| // Methods from ::android::hardware::audio::CPP_VERSION::IStreamOut follow. |
| Return<uint32_t> getLatency() override; |
| Return<Result> setVolume(float left, float right) override; |
| Return<void> prepareForWriting(uint32_t frameSize, uint32_t framesCount, |
| prepareForWriting_cb _hidl_cb) override; |
| Return<void> getRenderPosition(getRenderPosition_cb _hidl_cb) override; |
| Return<void> getNextWriteTimestamp( |
| getNextWriteTimestamp_cb _hidl_cb) override; |
| Return<Result> setCallback(const sp<IStreamOutCallback>& callback) override; |
| Return<Result> clearCallback() override; |
| Return<void> supportsPauseAndResume( |
| supportsPauseAndResume_cb _hidl_cb) override; |
| Return<Result> pause() override; |
| Return<Result> resume() override; |
| Return<bool> supportsDrain() override; |
| Return<Result> drain(AudioDrain type) override; |
| Return<Result> flush() override; |
| Return<void> getPresentationPosition( |
| getPresentationPosition_cb _hidl_cb) override; |
| Return<Result> start() override; |
| Return<Result> stop() override; |
| Return<void> createMmapBuffer(int32_t minSizeFrames, |
| createMmapBuffer_cb _hidl_cb) override; |
| Return<void> getMmapPosition(getMmapPosition_cb _hidl_cb) override; |
| Return<void> updateSourceMetadata( |
| const SourceMetadata& sourceMetadata) override; |
| Return<Result> selectPresentation(int32_t presentationId, |
| int32_t programId) override; |
| |
| private: |
| typedef void (*EventFlagDeleter)(EventFlag*); |
| |
| Result closeImpl(); |
| |
| std::unique_ptr<AudioProxyStreamOut> mStream; |
| |
| std::unique_ptr<CommandMQ> mCommandMQ; |
| std::unique_ptr<DataMQ> mDataMQ; |
| std::unique_ptr<StatusMQ> mStatusMQ; |
| std::unique_ptr<EventFlag, EventFlagDeleter> mEventFlag; |
| std::atomic<bool> mStopWriteThread = false; |
| sp<Thread> mWriteThread; |
| }; |
| |
| } // namespace CPP_VERSION |
| } // namespace audio_proxy |