| /* |
| * Copyright 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. |
| */ |
| |
| #pragma once |
| |
| #include "BluetoothAudioSession_2_2.h" |
| |
| namespace android { |
| namespace bluetooth { |
| namespace audio { |
| |
| class BluetoothAudioSessionControl_2_2 { |
| using SessionType_2_1 = |
| ::android::hardware::bluetooth::audio::V2_1::SessionType; |
| using AudioConfiguration_2_2 = |
| ::android::hardware::bluetooth::audio::V2_2::AudioConfiguration; |
| |
| public: |
| // The control API helps to check if session is ready or not |
| // @return: true if the Bluetooth stack has started th specified session |
| static bool IsSessionReady(const SessionType_2_1& session_type) { |
| std::shared_ptr<BluetoothAudioSession_2_2> session_ptr = |
| BluetoothAudioSessionInstance_2_2::GetSessionInstance(session_type); |
| if (session_ptr != nullptr) { |
| return session_ptr->IsSessionReady(); |
| } |
| return false; |
| } |
| |
| // The control API helps the bluetooth_audio module to register |
| // PortStatusCallbacks |
| // @return: cookie - the assigned number to this bluetooth_audio output |
| static uint16_t RegisterControlResultCback( |
| const SessionType_2_1& session_type, const PortStatusCallbacks& cbacks) { |
| std::shared_ptr<BluetoothAudioSession_2_2> session_ptr = |
| BluetoothAudioSessionInstance_2_2::GetSessionInstance(session_type); |
| if (session_ptr != nullptr) { |
| PortStatusCallbacks_2_2 cb = { |
| .control_result_cb_ = cbacks.control_result_cb_, |
| .session_changed_cb_ = cbacks.session_changed_cb_, |
| .audio_configuration_changed_cb_ = nullptr}; |
| return session_ptr->RegisterStatusCback(cb); |
| } |
| return kObserversCookieUndefined; |
| } |
| |
| // The control API helps the bluetooth_audio module to register |
| // PortStatusCallbacks_2_2 |
| // @return: cookie - the assigned number to this bluetooth_audio output |
| static uint16_t RegisterControlResultCback( |
| const SessionType_2_1& session_type, |
| const PortStatusCallbacks_2_2& cbacks) { |
| std::shared_ptr<BluetoothAudioSession_2_2> session_ptr = |
| BluetoothAudioSessionInstance_2_2::GetSessionInstance(session_type); |
| if (session_ptr != nullptr) { |
| return session_ptr->RegisterStatusCback(cbacks); |
| } |
| return kObserversCookieUndefined; |
| } |
| |
| // The control API helps the bluetooth_audio module to unregister |
| // PortStatusCallbacks and PortStatusCallbacks_2_2 |
| // @param: cookie - indicates which bluetooth_audio output is |
| static void UnregisterControlResultCback(const SessionType_2_1& session_type, |
| uint16_t cookie) { |
| std::shared_ptr<BluetoothAudioSession_2_2> session_ptr = |
| BluetoothAudioSessionInstance_2_2::GetSessionInstance(session_type); |
| if (session_ptr != nullptr) { |
| session_ptr->UnregisterStatusCback(cookie); |
| } |
| } |
| |
| // The control API for the bluetooth_audio module to get current |
| // AudioConfiguration |
| static const AudioConfiguration_2_2 GetAudioConfig( |
| const SessionType_2_1& session_type) { |
| std::shared_ptr<BluetoothAudioSession_2_2> session_ptr = |
| BluetoothAudioSessionInstance_2_2::GetSessionInstance(session_type); |
| if (session_ptr != nullptr) { |
| return session_ptr->GetAudioConfig(); |
| } else if (session_type == |
| SessionType_2_1::A2DP_HARDWARE_OFFLOAD_DATAPATH) { |
| return BluetoothAudioSession_2_2::kInvalidOffloadAudioConfiguration; |
| } else if ( |
| session_type == |
| SessionType_2_1::LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH || |
| session_type == |
| SessionType_2_1::LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH) { |
| return BluetoothAudioSession_2_2::kInvalidLeOffloadAudioConfiguration; |
| } else { |
| return BluetoothAudioSession_2_2::kInvalidSoftwareAudioConfiguration; |
| } |
| } |
| |
| // Those control APIs for the bluetooth_audio module to start / suspend / stop |
| // stream, to check position, and to update metadata. |
| static bool StartStream(const SessionType_2_1& session_type) { |
| std::shared_ptr<BluetoothAudioSession_2_2> session_ptr = |
| BluetoothAudioSessionInstance_2_2::GetSessionInstance(session_type); |
| if (session_ptr != nullptr) { |
| return session_ptr->StartStream(); |
| } |
| return false; |
| } |
| |
| static bool SuspendStream(const SessionType_2_1& session_type) { |
| std::shared_ptr<BluetoothAudioSession_2_2> session_ptr = |
| BluetoothAudioSessionInstance_2_2::GetSessionInstance(session_type); |
| if (session_ptr != nullptr) { |
| return session_ptr->SuspendStream(); |
| } |
| return false; |
| } |
| |
| static void StopStream(const SessionType_2_1& session_type) { |
| std::shared_ptr<BluetoothAudioSession_2_2> session_ptr = |
| BluetoothAudioSessionInstance_2_2::GetSessionInstance(session_type); |
| if (session_ptr != nullptr) { |
| session_ptr->StopStream(); |
| } |
| } |
| |
| static bool GetPresentationPosition(const SessionType_2_1& session_type, |
| uint64_t* remote_delay_report_ns, |
| uint64_t* total_bytes_readed, |
| timespec* data_position) { |
| std::shared_ptr<BluetoothAudioSession_2_2> session_ptr = |
| BluetoothAudioSessionInstance_2_2::GetSessionInstance(session_type); |
| if (session_ptr != nullptr) { |
| return session_ptr->GetAudioSession()->GetPresentationPosition( |
| remote_delay_report_ns, total_bytes_readed, data_position); |
| } |
| return false; |
| } |
| |
| static void UpdateTracksMetadata( |
| const SessionType_2_1& session_type, |
| const struct source_metadata* source_metadata) { |
| std::shared_ptr<BluetoothAudioSession_2_2> session_ptr = |
| BluetoothAudioSessionInstance_2_2::GetSessionInstance(session_type); |
| if (session_ptr != nullptr) { |
| session_ptr->UpdateTracksMetadata(source_metadata); |
| } |
| } |
| |
| static void UpdateSinkMetadata(const SessionType_2_1& session_type, |
| const struct sink_metadata* sink_metadata) { |
| std::shared_ptr<BluetoothAudioSession_2_2> session_ptr = |
| BluetoothAudioSessionInstance_2_2::GetSessionInstance(session_type); |
| if (session_ptr != nullptr) { |
| session_ptr->UpdateSinkMetadata(sink_metadata); |
| } |
| } |
| |
| // The control API writes stream to FMQ |
| static size_t OutWritePcmData(const SessionType_2_1& session_type, |
| const void* buffer, size_t bytes) { |
| std::shared_ptr<BluetoothAudioSession_2_2> session_ptr = |
| BluetoothAudioSessionInstance_2_2::GetSessionInstance(session_type); |
| if (session_ptr != nullptr) { |
| return session_ptr->GetAudioSession()->OutWritePcmData(buffer, bytes); |
| } |
| return 0; |
| } |
| |
| // The control API reads stream from FMQ |
| static size_t InReadPcmData(const SessionType_2_1& session_type, void* buffer, |
| size_t bytes) { |
| std::shared_ptr<BluetoothAudioSession_2_2> session_ptr = |
| BluetoothAudioSessionInstance_2_2::GetSessionInstance(session_type); |
| if (session_ptr != nullptr) { |
| return session_ptr->GetAudioSession()->InReadPcmData(buffer, bytes); |
| } |
| return 0; |
| } |
| }; |
| |
| } // namespace audio |
| } // namespace bluetooth |
| } // namespace android |
