1 /*
2  * Copyright (c) 2022-2024 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_DSPEAKER_CLIENT_H
17 #define OHOS_DSPEAKER_CLIENT_H
18 
19 #include <atomic>
20 #include <condition_variable>
21 #include <cstdint>
22 #include <memory>
23 #include <mutex>
24 #include <queue>
25 #include <securec.h>
26 #include <sstream>
27 #include <string>
28 #include <thread>
29 #include <unistd.h>
30 
31 #include "audio_info.h"
32 #include "audio_renderer.h"
33 #include "audio_system_manager.h"
34 
35 #include "audio_data.h"
36 #include "audio_status.h"
37 #include "audio_event.h"
38 #include "av_receiver_engine_transport.h"
39 #include "daudio_constants.h"
40 #include "daudio_errorcode.h"
41 #include "daudio_log.h"
42 #include "iaudio_data_transport.h"
43 #include "iaudio_datatrans_callback.h"
44 #include "iaudio_event_callback.h"
45 #include "ispk_client.h"
46 
47 namespace OHOS {
48 namespace DistributedHardware {
49 class DSpeakerClient : public IAudioDataTransCallback,
50     public ISpkClient, public AVReceiverTransportCallback,
51     public AudioStandard::VolumeKeyEventCallback,
52     public AudioStandard::AudioRendererCallback,
53     public AudioStandard::AudioRendererWriteCallback,
54     public std::enable_shared_from_this<DSpeakerClient> {
55 public:
DSpeakerClient(const std::string & devId,const int32_t & dhId,const std::shared_ptr<IAudioEventCallback> & callback)56     DSpeakerClient(const std::string &devId, const int32_t &dhId, const std::shared_ptr<IAudioEventCallback> &callback)
57         : devId_(devId), dhId_(dhId), eventCallback_(callback) {};
58     ~DSpeakerClient() override;
59 
60     int32_t OnStateChange(const AudioEventType type) override;
61     void OnStateChange(const AudioStandard::RendererState state,
62         const AudioStandard::StateChangeCmdType __attribute__((unused)) cmdType) override;
63     int32_t OnDecodeTransDataDone(const std::shared_ptr<AudioData> &audioData) override;
64     void OnVolumeKeyEvent(AudioStandard::VolumeEvent volumeEvent) override;
65     void OnInterrupt(const AudioStandard::InterruptEvent &interruptEvent) override;
66     int32_t InitReceiverEngine(IAVEngineProvider *providerPtr) override;
67     int32_t SetUp(const AudioParam &param) override;
68     int32_t Release() override;
69     int32_t StartRender() override;
70     int32_t StopRender() override;
71     int32_t SetMute(const AudioEvent &event) override;
72     int32_t SetAudioParameters(const AudioEvent &event) override;
73     void PlayStatusChange(const std::string &args) override;
74     void SetAttrs(const std::string &devId, const std::shared_ptr<IAudioEventCallback> &callback) override;
75     int32_t SendMessage(uint32_t type, std::string content, std::string dstDevId) override;
76 
77     void OnEngineTransEvent(const AVTransEvent &event) override;
78     void OnEngineTransMessage(const std::shared_ptr<AVTransMessage> &message) override;
79     void OnEngineTransDataAvailable(const std::shared_ptr<AudioData> &audioData) override;
80 
81     void OnWriteData(size_t length) override;
82 private:
83     std::string GetVolumeLevel();
84     void PlayThreadRunning();
85     void Pause();
86     void ReStart();
87     void FillJitterQueue();
88     void FlushJitterQueue();
89     int32_t CreateAudioRenderer(const AudioParam &param);
90 
91 private:
92     constexpr static size_t DATA_QUEUE_MAX_SIZE = 12;
93     constexpr static size_t REQUEST_DATA_WAIT = 10;
94     constexpr static size_t DATA_QUEUE_SIZE = 8;
95     constexpr static size_t SLEEP_TIME = 5000;
96     static constexpr const char* RENDERTHREAD = "renderThread";
97     const std::string DUMP_DAUDIO_SPK_AFTER_TRANS_NAME = "dump_sink_spk_recv_from_trans.pcm";
98 
99     std::string devId_;
100     const int32_t dhId_;
101     std::thread renderDataThread_;
102     AudioParam audioParam_;
103     std::atomic<bool> isRenderReady_ = false;
104     std::mutex dataQueueMtx_;
105     std::mutex devMtx_;
106     std::queue<std::shared_ptr<AudioData>> dataQueue_;
107     std::condition_variable dataQueueCond_;
108     AudioStatus clientStatus_ = AudioStatus::STATUS_IDLE;
109 
110     std::unique_ptr<AudioStandard::AudioRenderer> audioRenderer_ = nullptr;
111     std::shared_ptr<IAudioDataTransport> speakerTrans_ = nullptr;
112     std::weak_ptr<IAudioEventCallback> eventCallback_;
113     int64_t lastPlayStartTime_ = 0;
114     int64_t lastReceiveStartTime_ = 0;
115     FILE *dumpFile_ = nullptr;
116 };
117 } // DistributedHardware
118 } // OHOS
119 #endif // OHOS_DSPEAKER_CLIENT_H
120