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.
202 lines
8.7 KiB
C++
202 lines
8.7 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_STREAMOUT_H
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#define ANDROID_HARDWARE_AUDIO_STREAMOUT_H
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#include PATH(android/hardware/audio/FILE_VERSION/IStreamOut.h)
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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 <mediautils/Synchronization.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 StreamOut : public IStreamOut {
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typedef MessageQueue<WriteCommand, kSynchronizedReadWrite> CommandMQ;
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typedef MessageQueue<uint8_t, kSynchronizedReadWrite> DataMQ;
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typedef MessageQueue<WriteStatus, kSynchronizedReadWrite> StatusMQ;
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StreamOut(const sp<Device>& device, audio_stream_out_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::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(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(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> 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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Return<Result> selectPresentation(int32_t presentationId, int32_t programId) override;
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#if MAJOR_VERSION <= 6
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Return<void> updateSourceMetadata(const SourceMetadata& sourceMetadata) override;
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#else
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Return<Result> updateSourceMetadata(const SourceMetadata& sourceMetadata) override;
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#endif
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#endif // MAJOR_VERSION >= 4
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#if MAJOR_VERSION >= 6
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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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#endif
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static Result getPresentationPositionImpl(audio_stream_out_t* stream, uint64_t* frames,
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TimeSpec* timeStamp);
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#if MAJOR_VERSION >= 6
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Return<Result> setEventCallback(const sp<IStreamOutEventCallback>& callback) override;
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#endif
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private:
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#if MAJOR_VERSION >= 4
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Result doUpdateSourceMetadata(const SourceMetadata& sourceMetadata);
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#if MAJOR_VERSION >= 7
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Result doUpdateSourceMetadataV7(const SourceMetadata& sourceMetadata);
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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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#endif
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#endif // MAJOR_VERSION >= 4
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const sp<Device> mDevice;
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audio_stream_out_t* mStream;
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const sp<Stream> mStreamCommon;
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const sp<StreamMmap<audio_stream_out_t>> mStreamMmap;
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mediautils::atomic_sp<IStreamOutCallback> mCallback; // for non-blocking write and drain
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#if MAJOR_VERSION >= 6
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mediautils::atomic_sp<IStreamOutEventCallback> mEventCallback;
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#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
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mediautils::atomic_sp<IStreamOutLatencyModeCallback> mLatencyModeCallback;
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#endif
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#endif
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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> mStopWriteThread;
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sp<Thread> mWriteThread;
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virtual ~StreamOut();
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static int asyncCallback(stream_callback_event_t event, void* param, void* cookie);
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#if MAJOR_VERSION >= 6
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static int asyncEventCallback(stream_event_callback_type_t event, void* param, void* cookie);
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#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
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static void latencyModeCallback(audio_latency_mode_t* modes, size_t num_modes, void* cookie);
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#endif
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#endif
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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_STREAMOUT_H
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