1 /* 2 * Copyright (c) 2022 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_STATUS_H 17 #define AUDIO_TRANSPORT_STATUS_H 18 19 #include "audio_param.h" 20 #include "iaudio_channel.h" 21 #include "iaudio_processor.h" 22 23 namespace OHOS { 24 namespace DistributedHardware { 25 typedef enum { 26 TRANSPORT_STATE_START = 0, 27 TRANSPORT_STATE_PAUSE = 1, 28 TRANSPORT_STATE_STOP = 2, 29 } TransportStateType; 30 31 class AudioTransportStatus { 32 public: 33 AudioTransportStatus() = default; 34 virtual ~AudioTransportStatus() = default; 35 virtual int32_t Start(std::shared_ptr<IAudioChannel> audioChannel, std::shared_ptr<IAudioProcessor> processor) = 0; 36 virtual int32_t Stop(std::shared_ptr<IAudioChannel> audioChannel, std::shared_ptr<IAudioProcessor> processor) = 0; 37 virtual int32_t Pause(std::shared_ptr<IAudioProcessor> processor) = 0; 38 virtual int32_t Restart(const AudioParam &localParam, const AudioParam &remoteParam, 39 std::shared_ptr<IAudioProcessor> processor) = 0; 40 virtual TransportStateType GetStateType() = 0; 41 }; 42 } // namespace DistributedHardware 43 } // namespace OHOS 44 #endif // AUDIO_TRANSPORT_STATUS_H 45