1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef AUDIO_TRANSPORT_CONTEXT_H 17 #define AUDIO_TRANSPORT_CONTEXT_H 18 19 #include "audio_transport_status.h" 20 #include "iaudio_channel.h" 21 #include "iaudio_processor.h" 22 23 namespace OHOS { 24 namespace DistributedHardware { 25 class AudioTransportContext : public std::enable_shared_from_this<AudioTransportContext> { 26 public: 27 AudioTransportContext() = default; 28 ~AudioTransportContext() = default; 29 void SetTransportStatus(TransportStateType stateType); 30 int32_t GetTransportStatusType(); 31 void SetAudioChannel(std::shared_ptr<IAudioChannel> &audioChannel); 32 void SetAudioProcessor(std::shared_ptr<IAudioProcessor> &processor); 33 int32_t Start(); 34 int32_t Stop(); 35 int32_t Pause(); 36 int32_t Restart(const AudioParam &localParam, const AudioParam &remoteParam); 37 38 private: 39 std::shared_ptr<AudioTransportStatus> currentState_; 40 std::shared_ptr<IAudioChannel> audioChannel_ = nullptr; 41 std::shared_ptr<IAudioProcessor> processor_ = nullptr; 42 }; 43 } // namespace DistributedHardware 44 } // namespace OHOS 45 #endif // AUDIO_TRANSPORT_CONTEXT_H 46