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 AUDIO_DEVICE_ADAPTER_IMPL_H
17 #define AUDIO_DEVICE_ADAPTER_IMPL_H
18 
19 #include <map>
20 #include <mutex>
21 
22 #include <v1_0/iaudio_manager.h>
23 
24 #include "audio_info.h"
25 #include "audio_utils.h"
26 #include "i_audio_device_adapter.h"
27 
28 namespace OHOS {
29 namespace AudioStandard {
30 struct DevicePortInfo {
31     IAudioDeviceAdapterCallback *devAdpCb;
32     uint32_t portId = 0;
33 };
34 
35 class AudioDeviceAdapterImpl : public IAudioDeviceAdapter {
36 public:
AudioDeviceAdapterImpl(const std::string & adapterName,sptr<IAudioAdapter> audioAdapter)37     AudioDeviceAdapterImpl(const std::string &adapterName, sptr<IAudioAdapter> audioAdapter)
38         : adapterName_(adapterName), audioAdapter_(audioAdapter) {}
39     ~AudioDeviceAdapterImpl() = default;
40 
41     static int32_t ParamEventCallback(AudioExtParamKey key, const char *condition, const char *value, void *reserved,
42         std::shared_ptr<AudioDeviceAdapterImpl> cookie);
43     void SetParamCallback(std::shared_ptr<AudioDeviceAdapterImpl> callback);
44     static std::shared_ptr<AudioDeviceAdapterImpl> GetParamCallback();
45 
46     int32_t Init() override;
47     int32_t RegExtraParamObserver() override;
48     int32_t CreateRender(const AudioDeviceDescriptor &devDesc, const AudioSampleAttributes &attr,
49         sptr<IAudioRender> &audioRender, IAudioDeviceAdapterCallback *renderCb, uint32_t &renderId) override;
50     void DestroyRender(sptr<IAudioRender> audioRender, uint32_t &renderId) override;
51     int32_t CreateCapture(const AudioDeviceDescriptor &devDesc, const AudioSampleAttributes &attr,
52         sptr<IAudioCapture> &audioCapture, IAudioDeviceAdapterCallback *captureCb, uint32_t &captureId) override;
53     void DestroyCapture(sptr<IAudioCapture> audioCapture, uint32_t &captureId) override;
54     void SetAudioParameter(const AudioParamKey key, const std::string &condition, const std::string &value) override;
55     std::string GetAudioParameter(const AudioParamKey key, const std::string &condition) override;
56     int32_t UpdateAudioRoute(const AudioRoute &route) override;
57     int32_t Release() override;
58 
59 private:
60     static int32_t HandleStateChangeEvent(std::shared_ptr<AudioDeviceAdapterImpl> devAdapter, const AudioParamKey key,
61         const char *condition, const char *value);
62     static int32_t HandleRenderParamEvent(std::shared_ptr<AudioDeviceAdapterImpl> devAdapter,
63         const AudioParamKey audioKey, const char *condition, const char *value);
64     static int32_t HandleCaptureParamEvent(std::shared_ptr<AudioDeviceAdapterImpl> devAdapter,
65         const AudioParamKey audioKey, const char *condition, const char *value);
66     size_t GetRenderPortsNum();
67     size_t GetCapturePortsNum();
68 
69 private:
70     static constexpr uint32_t REMOTE_OUTPUT_STREAM_ID = 29; // 13 + 2 * 8
71     static constexpr int32_t INVALID_ROUT_HANDLE = -1;
72     static constexpr int32_t EVENT_DES_SIZE = 60;
73     static constexpr int32_t ADAPTER_STATE_CONTENT_DES_SIZE = 60;
74     static constexpr int32_t PARAMS_STATE_NUM = 2;
75     static constexpr char DAUDIO_DEV_TYPE_SPK = '1';
76     static constexpr char DAUDIO_DEV_TYPE_MIC = '2';
77 
78     std::string adapterName_;
79     sptr<IAudioAdapter> audioAdapter_;
80     int32_t routeHandle_ = INVALID_ROUT_HANDLE;
81 #ifdef FEATURE_DISTRIBUTE_AUDIO
82     std::mutex regParamCbMtx_;
83     std::atomic<bool> isParamCbReg_ = false;
84 #endif
85     std::mutex renderPortsMtx_;
86     std::mutex capturePortsMtx_;
87     std::map<sptr<IAudioRender>, DevicePortInfo> renderPorts_;
88     std::map<sptr<IAudioCapture>, DevicePortInfo> capturePorts_;
89     sptr<IAudioCallback> callbackStub_ = nullptr;
90     static std::shared_ptr<AudioDeviceAdapterImpl> paramCallback_;
91 };
92 }  // namespace AudioStandard
93 }  // namespace OHOS
94 #endif // AUDIO_DEVICE_ADAPTER_IMPL_H