device_phh_treble/bluetooth/audio/hal/Device.h

/*
 * 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_DEVICE_H
#define ANDROID_HARDWARE_AUDIO_DEVICE_H

#include PATH(android/hardware/audio/FILE_VERSION/IDevice.h)

#include "ParametersUtil.h"

#include <memory>

#include <hardware/audio.h>
#include <media/AudioParameter.h>

#include <hidl/Status.h>

#include <hidl/MQDescriptor.h>

#include <VersionUtils.h>
#include <util/CoreUtils.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 ::android::hardware::audio::CORE_TYPES_CPP_VERSION::implementation::CoreUtils;
using ::android::hardware::audio::CORE_TYPES_CPP_VERSION::implementation::ParametersUtil;
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;
using AudioInputFlags = CoreUtils::AudioInputFlags;
using AudioOutputFlags = CoreUtils::AudioOutputFlags;

struct Device : public IDevice, public ParametersUtil {
    explicit Device(audio_hw_device_t* device);

    // Methods from ::android::hardware::audio::CPP_VERSION::IDevice follow.
    Return<Result> initCheck() override;
    Return<Result> setMasterVolume(float volume) override;
    Return<void> getMasterVolume(getMasterVolume_cb _hidl_cb) override;
    Return<Result> setMicMute(bool mute) override;
    Return<void> getMicMute(getMicMute_cb _hidl_cb) override;
    Return<Result> setMasterMute(bool mute) override;
    Return<void> getMasterMute(getMasterMute_cb _hidl_cb) override;
    Return<void> getInputBufferSize(const AudioConfig& config,
                                    getInputBufferSize_cb _hidl_cb) override;

    std::tuple<Result, sp<IStreamOut>> openOutputStreamCore(int32_t ioHandle,
                                                            const DeviceAddress& device,
                                                            const AudioConfig& config,
                                                            const AudioOutputFlags& flags,
                                                            AudioConfig* suggestedConfig);
    std::tuple<Result, sp<IStreamIn>> openInputStreamCore(
            int32_t ioHandle, const DeviceAddress& device, const AudioConfig& config,
            const AudioInputFlags& flags, AudioSource source, AudioConfig* suggestedConfig);
#if MAJOR_VERSION >= 4
    std::tuple<Result, sp<IStreamOut>, AudioConfig> openOutputStreamImpl(
            int32_t ioHandle, const DeviceAddress& device, const AudioConfig& config,
            const SourceMetadata& sourceMetadata,
#if MAJOR_VERSION <= 6
            AudioOutputFlags flags);
#else
            const AudioOutputFlags& flags);
#endif
    std::tuple<Result, sp<IStreamIn>, AudioConfig> openInputStreamImpl(
            int32_t ioHandle, const DeviceAddress& device, const AudioConfig& config,
#if MAJOR_VERSION <= 6
            AudioInputFlags flags,
#else
            const AudioInputFlags& flags,
#endif
            const SinkMetadata& sinkMetadata);
#endif  // MAJOR_VERSION >= 4

    Return<void> openOutputStream(int32_t ioHandle, const DeviceAddress& device,
                                  const AudioConfig& config,
#if MAJOR_VERSION <= 6
                                  AudioOutputFlags flags,
#else
                                  const AudioOutputFlags& flags,
#endif
#if MAJOR_VERSION >= 4
                                  const SourceMetadata& sourceMetadata,
#endif
                                  openOutputStream_cb _hidl_cb) override;
    Return<void> openInputStream(int32_t ioHandle, const DeviceAddress& device,
                                 const AudioConfig& config,
#if MAJOR_VERSION <= 6
                                 AudioInputFlags flags,
#else
                                 const AudioInputFlags& flags,
#endif
#if MAJOR_VERSION == 2
                                 AudioSource source,
#elif MAJOR_VERSION >= 4
                                 const SinkMetadata& sinkMetadata,
#endif
                                 openInputStream_cb _hidl_cb) override;

#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
    Return<void> openOutputStream_7_1(int32_t ioHandle, const DeviceAddress& device,
                                      const AudioConfig& config, const AudioOutputFlags& flags,
                                      const SourceMetadata& sourceMetadata,
                                      openOutputStream_7_1_cb _hidl_cb) override;
#endif

    Return<bool> supportsAudioPatches() override;
    Return<void> createAudioPatch(const hidl_vec<AudioPortConfig>& sources,
                                  const hidl_vec<AudioPortConfig>& sinks,
                                  createAudioPatch_cb _hidl_cb) override;
    Return<Result> releaseAudioPatch(int32_t patch) override;
    Return<void> getAudioPort(const AudioPort& port, getAudioPort_cb _hidl_cb) override;
    Return<Result> setAudioPortConfig(const AudioPortConfig& config) override;

    Return<Result> setScreenState(bool turnedOn) override;

#if MAJOR_VERSION == 2
    Return<AudioHwSync> getHwAvSync() 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<void> debugDump(const hidl_handle& fd) override;
#elif MAJOR_VERSION >= 4
    Return<void> getHwAvSync(getHwAvSync_cb _hidl_cb) 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<void> getMicrophones(getMicrophones_cb _hidl_cb) override;
    Return<Result> setConnectedState(const DeviceAddress& address, bool connected) override;
#endif
#if MAJOR_VERSION >= 6
    Return<Result> close() override;
    Return<Result> addDeviceEffect(AudioPortHandle device, uint64_t effectId) override;
    Return<Result> removeDeviceEffect(AudioPortHandle device, uint64_t effectId) override;
    Return<void> updateAudioPatch(int32_t previousPatch, const hidl_vec<AudioPortConfig>& sources,
                                  const hidl_vec<AudioPortConfig>& sinks,
                                  createAudioPatch_cb _hidl_cb) override;
#endif
#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
    Return<Result> setConnectedState_7_1(const AudioPort& devicePort, bool connected) override;
#endif
    Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override;

    // Utility methods for extending interfaces.
    Result analyzeStatus(const char* funcName, int status,
                         const std::vector<int>& ignoreErrors = {});
    void closeInputStream(audio_stream_in_t* stream);
    void closeOutputStream(audio_stream_out_t* stream);
    audio_hw_device_t* device() const { return mDevice; }

    uint32_t version() const { return mDevice->common.version; }

  private:
    bool mIsClosed;
    audio_hw_device_t* mDevice;
    int mOpenedStreamsCount = 0;

    virtual ~Device();

    Result doClose();
    std::tuple<Result, AudioPatchHandle> createOrUpdateAudioPatch(
            AudioPatchHandle patch, const hidl_vec<AudioPortConfig>& sources,
            const hidl_vec<AudioPortConfig>& sinks);
    template <typename HalPort>
    Return<void> getAudioPortImpl(const AudioPort& port, getAudioPort_cb _hidl_cb,
                                  int (*halGetter)(audio_hw_device_t*, HalPort*),
                                  const char* halGetterName);

    // Methods from ParametersUtil.
    char* halGetParameters(const char* keys) override;
    int halSetParameters(const char* keysAndValues) override;
};

}  // namespace implementation
}  // namespace CPP_VERSION
}  // namespace audio
}  // namespace hardware
}  // namespace android

#endif  // ANDROID_HARDWARE_AUDIO_DEVICE_H