| /* |
| * Copyright 2022 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 |
| |
| #include <android/hardware/bluetooth/audio/2.1/types.h> |
| #include <hardware/audio.h> |
| |
| #include <condition_variable> |
| #include <mutex> |
| #include <unordered_map> |
| |
| #include "device_port_proxy.h" |
| |
| enum class BluetoothStreamState : uint8_t; |
| |
| namespace android { |
| namespace bluetooth { |
| namespace audio { |
| namespace hidl { |
| |
| using SessionType_2_1 = |
| ::android::hardware::bluetooth::audio::V2_1::SessionType; |
| |
| class BluetoothAudioPortHidl : public BluetoothAudioPort { |
| public: |
| BluetoothAudioPortHidl(); |
| virtual ~BluetoothAudioPortHidl() = default; |
| |
| bool SetUp(audio_devices_t devices) override; |
| |
| void TearDown() override; |
| |
| void ForcePcmStereoToMono(bool force) override { is_stereo_to_mono_ = force; } |
| |
| bool Start() override; |
| |
| bool Suspend() override; |
| |
| void Stop() override; |
| |
| bool GetPresentationPosition(uint64_t* delay_ns, uint64_t* bytes, |
| timespec* timestamp) const override; |
| |
| void UpdateSourceMetadata( |
| const source_metadata* source_metadata) const override; |
| |
| BluetoothStreamState GetState() const override; |
| |
| void SetState(BluetoothStreamState state) override; |
| |
| bool IsA2dp() const override { |
| return session_type_hidl_ == |
| SessionType_2_1::A2DP_SOFTWARE_ENCODING_DATAPATH || |
| session_type_hidl_ == |
| SessionType_2_1::A2DP_HARDWARE_OFFLOAD_DATAPATH; |
| } |
| |
| bool GetPreferredDataIntervalUs(size_t* interval_us) const override; |
| |
| protected: |
| SessionType_2_1 session_type_hidl_; |
| uint16_t cookie_; |
| BluetoothStreamState state_; |
| // WR to support Mono: True if fetching Stereo and mixing into Mono |
| bool is_stereo_to_mono_ = false; |
| |
| bool in_use() const; |
| |
| private: |
| mutable std::mutex cv_mutex_; |
| std::condition_variable internal_cv_; |
| |
| bool init_session_type(audio_devices_t device); |
| |
| bool CondwaitState(BluetoothStreamState state); |
| |
| void ControlResultHandler( |
| const ::android::hardware::bluetooth::audio::V2_0::Status& status); |
| |
| void SessionChangedHandler(); |
| }; |
| |
| class BluetoothAudioPortHidlOut : public BluetoothAudioPortHidl { |
| public: |
| ~BluetoothAudioPortHidlOut(); |
| |
| size_t WriteData(const void* buffer, size_t bytes) const override; |
| bool LoadAudioConfig(audio_config_t* audio_cfg) const override; |
| }; |
| |
| class BluetoothAudioPortHidlIn : public BluetoothAudioPortHidl { |
| public: |
| ~BluetoothAudioPortHidlIn(); |
| |
| size_t ReadData(void* buffer, size_t bytes) const override; |
| bool LoadAudioConfig(audio_config_t* audio_cfg) const override; |
| }; |
| |
| } // namespace hidl |
| } // namespace audio |
| } // namespace bluetooth |
| } // namespace android |