1 /*
2  * Copyright (c) 2023 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 OHOS_AV_TRANS_SENDER_TRANS_H
17 #define OHOS_AV_TRANS_SENDER_TRANS_H
18 
19 #include <condition_variable>
20 #include <mutex>
21 #include <string>
22 
23 #include "av_sender_engine_adapter.h"
24 #include "iaudio_data_transport.h"
25 #include "iaudio_datatrans_callback.h"
26 #include "iaudio_data_transport.h"
27 #include "iaudio_datatrans_callback.h"
28 #include "i_av_sender_engine_callback.h"
29 #include "i_av_sender_engine.h"
30 #include "i_av_engine_provider.h"
31 
32 namespace OHOS {
33 namespace DistributedHardware {
34 class AVSenderTransportCallback {
35 public:
AVSenderTransportCallback()36     AVSenderTransportCallback() {};
37     virtual ~AVSenderTransportCallback() = default;
38     virtual void OnEngineTransEvent(const AVTransEvent &event) = 0;
39     virtual void OnEngineTransMessage(const std::shared_ptr<AVTransMessage> &message) = 0;
40 };
41 
42 class AVTransSenderTransport : public IAudioDataTransport,
43     public AVSenderAdapterCallback,
44     public std::enable_shared_from_this<AVTransSenderTransport> {
45 public:
AVTransSenderTransport(const std::string & devId,const std::shared_ptr<AVSenderTransportCallback> & callback)46     explicit AVTransSenderTransport(const std::string &devId,
47         const std::shared_ptr<AVSenderTransportCallback> &callback)
48         : transCallback_(callback), devId_(devId) {};
~AVTransSenderTransport()49     ~AVTransSenderTransport() override {};
50 
51     int32_t SetUp(const AudioParam &localParam, const AudioParam &remoteParam,
52         const std::shared_ptr<IAudioDataTransCallback> &callback, const PortCapType capType) override;
53     int32_t Start() override;
54     int32_t Stop() override;
55     int32_t Release() override;
56     int32_t Pause() override;
57     int32_t Restart(const AudioParam &localParam, const AudioParam &remoteParam) override;
58     int32_t FeedAudioData(std::shared_ptr<AudioData> &audioData) override;
59 
60     int32_t CreateCtrl() override;
61     int32_t InitEngine(IAVEngineProvider *providerPtr) override;
62     int32_t SendMessage(uint32_t type, std::string content, std::string dstDevId) override;
63 
64     void OnEngineEvent(const AVTransEvent &event) override;
65     void OnEngineMessage(const std::shared_ptr<AVTransMessage> &message) override;
66 
67 private:
68     int32_t SetParameter(const AudioParam &audioParam);
69 
70 private:
71     std::shared_ptr<AVTransSenderAdapter> senderAdapter_;
72     std::shared_ptr<AVSenderTransportCallback> transCallback_;
73     std::string devId_;
74 };
75 } // namespace DistributedHardware
76 } // namespace OHOS
77 #endif