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