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treble_evolution/audio/hal/StreamOut.h
2024-03-10 06:48:11 +00:00

202 lines
8.7 KiB
C++

/*
* Copyright (C) 2018 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.
*/
#ifndef ANDROID_HARDWARE_AUDIO_STREAMOUT_H
#define ANDROID_HARDWARE_AUDIO_STREAMOUT_H
#include PATH(android/hardware/audio/FILE_VERSION/IStreamOut.h)
#include "Device.h"
#include "Stream.h"
#include <atomic>
#include <memory>
#include <fmq/EventFlag.h>
#include <fmq/MessageQueue.h>
#include <hidl/MQDescriptor.h>
#include <hidl/Status.h>
#include <mediautils/Synchronization.h>
#include <utils/Thread.h>
namespace android {
namespace hardware {
namespace audio {
namespace CPP_VERSION {
namespace implementation {
using ::android::sp;
using ::android::hardware::hidl_string;
using ::android::hardware::hidl_vec;
using ::android::hardware::Return;
using ::android::hardware::Void;
using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
using namespace ::android::hardware::audio::CORE_TYPES_CPP_VERSION;
using namespace ::android::hardware::audio::CPP_VERSION;
struct StreamOut : public IStreamOut {
typedef MessageQueue<WriteCommand, kSynchronizedReadWrite> CommandMQ;
typedef MessageQueue<uint8_t, kSynchronizedReadWrite> DataMQ;
typedef MessageQueue<WriteStatus, kSynchronizedReadWrite> StatusMQ;
StreamOut(const sp<Device>& device, audio_stream_out_t* stream);
// Methods from ::android::hardware::audio::CPP_VERSION::IStream follow.
Return<uint64_t> getFrameSize() override;
Return<uint64_t> getFrameCount() override;
Return<uint64_t> getBufferSize() override;
#if MAJOR_VERSION <= 6
Return<uint32_t> getSampleRate() override;
#if MAJOR_VERSION == 2
Return<void> getSupportedSampleRates(getSupportedSampleRates_cb _hidl_cb) override;
Return<void> getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) override;
#endif
Return<void> getSupportedSampleRates(AudioFormat format, getSupportedSampleRates_cb _hidl_cb);
Return<void> getSupportedChannelMasks(AudioFormat format, getSupportedChannelMasks_cb _hidl_cb);
Return<Result> setSampleRate(uint32_t sampleRateHz) override;
Return<AudioChannelBitfield> getChannelMask() override;
Return<Result> setChannelMask(AudioChannelBitfield mask) override;
Return<AudioFormat> getFormat() override;
Return<void> getSupportedFormats(getSupportedFormats_cb _hidl_cb) override;
Return<Result> setFormat(AudioFormat format) override;
#else
Return<void> getSupportedProfiles(getSupportedProfiles_cb _hidl_cb) override;
Return<Result> setAudioProperties(const AudioConfigBaseOptional& config) override;
#endif // MAJOR_VERSION <= 6
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;
#if MAJOR_VERSION == 2
Return<AudioDevice> getDevice() override;
Return<Result> setDevice(const DeviceAddress& address) override;
Return<void> getParameters(const hidl_vec<hidl_string>& keys,
getParameters_cb _hidl_cb) override;
Return<Result> setParameters(const hidl_vec<ParameterValue>& parameters) override;
Return<Result> setConnectedState(const DeviceAddress& address, bool connected) override;
#elif MAJOR_VERSION >= 4
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;
#endif
Return<Result> setHwAvSync(uint32_t hwAvSync) override;
Return<Result> close() override;
Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override;
#if MAJOR_VERSION == 2
Return<void> debugDump(const hidl_handle& fd) override;
#endif
// 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;
#if MAJOR_VERSION >= 4
Return<Result> selectPresentation(int32_t presentationId, int32_t programId) override;
#if MAJOR_VERSION <= 6
Return<void> updateSourceMetadata(const SourceMetadata& sourceMetadata) override;
#else
Return<Result> updateSourceMetadata(const SourceMetadata& sourceMetadata) override;
#endif
#endif // MAJOR_VERSION >= 4
#if MAJOR_VERSION >= 6
Return<void> getDualMonoMode(getDualMonoMode_cb _hidl_cb) override;
Return<Result> setDualMonoMode(DualMonoMode mode) override;
Return<void> getAudioDescriptionMixLevel(getAudioDescriptionMixLevel_cb _hidl_cb) override;
Return<Result> setAudioDescriptionMixLevel(float leveldB) override;
Return<void> getPlaybackRateParameters(getPlaybackRateParameters_cb _hidl_cb) override;
Return<Result> setPlaybackRateParameters(const PlaybackRate& playbackRate) override;
#endif
static Result getPresentationPositionImpl(audio_stream_out_t* stream, uint64_t* frames,
TimeSpec* timeStamp);
#if MAJOR_VERSION >= 6
Return<Result> setEventCallback(const sp<IStreamOutEventCallback>& callback) override;
#endif
private:
#if MAJOR_VERSION >= 4
Result doUpdateSourceMetadata(const SourceMetadata& sourceMetadata);
#if MAJOR_VERSION >= 7
Result doUpdateSourceMetadataV7(const SourceMetadata& sourceMetadata);
#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
Return<Result> setLatencyMode(LatencyMode mode) override;
Return<void> getRecommendedLatencyModes(getRecommendedLatencyModes_cb _hidl_cb) override;
Return<Result> setLatencyModeCallback(
const sp<IStreamOutLatencyModeCallback>& callback) override;
#endif
#endif
#endif // MAJOR_VERSION >= 4
const sp<Device> mDevice;
audio_stream_out_t* mStream;
const sp<Stream> mStreamCommon;
const sp<StreamMmap<audio_stream_out_t>> mStreamMmap;
mediautils::atomic_sp<IStreamOutCallback> mCallback; // for non-blocking write and drain
#if MAJOR_VERSION >= 6
mediautils::atomic_sp<IStreamOutEventCallback> mEventCallback;
#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
mediautils::atomic_sp<IStreamOutLatencyModeCallback> mLatencyModeCallback;
#endif
#endif
std::unique_ptr<CommandMQ> mCommandMQ;
std::unique_ptr<DataMQ> mDataMQ;
std::unique_ptr<StatusMQ> mStatusMQ;
EventFlag* mEfGroup;
std::atomic<bool> mStopWriteThread;
sp<Thread> mWriteThread;
virtual ~StreamOut();
static int asyncCallback(stream_callback_event_t event, void* param, void* cookie);
#if MAJOR_VERSION >= 6
static int asyncEventCallback(stream_event_callback_type_t event, void* param, void* cookie);
#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
static void latencyModeCallback(audio_latency_mode_t* modes, size_t num_modes, void* cookie);
#endif
#endif
};
} // namespace implementation
} // namespace CPP_VERSION
} // namespace audio
} // namespace hardware
} // namespace android
#endif // ANDROID_HARDWARE_AUDIO_STREAMOUT_H