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_CAPTURE_ADAPTER_H
17 #define AUDIO_CAPTURE_ADAPTER_H
18 
19 #include <memory>
20 #include <string>
21 
22 #include "audio_renderer_adapter.h"
23 
24 namespace OHOS::NWeb {
25 
26 enum class AudioAdapterSourceType : int32_t {
27     SOURCE_TYPE_INVALID = -1,
28     SOURCE_TYPE_MIC,
29     SOURCE_TYPE_VOICE_RECOGNITION = 1,
30     SOURCE_TYPE_VOICE_COMMUNICATION = 7,
31     SOURCE_TYPE_ULTRASONIC = 8
32 };
33 
34 class AudioCapturerOptionsAdapter {
35 public:
36     AudioCapturerOptionsAdapter() = default;
37 
38     virtual ~AudioCapturerOptionsAdapter() = default;
39 
40     virtual AudioAdapterSamplingRate GetSamplingRate() = 0;
41 
42     virtual AudioAdapterEncodingType GetEncoding() = 0;
43 
44     virtual AudioAdapterSampleFormat GetSampleFormat() = 0;
45 
46     virtual AudioAdapterChannel GetChannels() = 0;
47 
48     virtual AudioAdapterSourceType GetSourceType() = 0;
49 
50     virtual int32_t GetCapturerFlags() = 0;
51 };
52 
53 class BufferDescAdapter {
54 public:
55     BufferDescAdapter() = default;
56 
57     virtual ~BufferDescAdapter() = default;
58 
59     virtual uint8_t* GetBuffer() = 0;
60 
61     virtual size_t GetBufLength() = 0;
62 
63     virtual size_t GetDataLength() = 0;
64 
65     virtual void SetBuffer(uint8_t* buffer) = 0;
66 
67     virtual void SetBufLength(size_t bufLength) = 0;
68 
69     virtual void SetDataLength(size_t dataLength) = 0;
70 };
71 
72 class AudioCapturerReadCallbackAdapter {
73 public:
74     AudioCapturerReadCallbackAdapter() = default;
75 
76     virtual ~AudioCapturerReadCallbackAdapter() = default;
77 
78     virtual void OnReadData(size_t length) = 0;
79 };
80 
81 class AudioCapturerAdapter {
82 public:
83     AudioCapturerAdapter() = default;
84 
85     virtual ~AudioCapturerAdapter() = default;
86 
87     virtual int32_t Create(
88         const std::shared_ptr<AudioCapturerOptionsAdapter> capturerOptions, std::string cachePath = std::string()) = 0;
89 
90     virtual bool Start() = 0;
91 
92     virtual bool Stop() = 0;
93 
94     virtual bool Release() = 0;
95 
96     virtual int32_t SetCapturerReadCallback(std::shared_ptr<AudioCapturerReadCallbackAdapter> callbck) = 0;
97 
98     virtual int32_t GetBufferDesc(std::shared_ptr<BufferDescAdapter> bufferDesc) = 0;
99 
100     virtual int32_t Enqueue(const std::shared_ptr<BufferDescAdapter> bufferDesc) = 0;
101 
102     virtual int32_t GetFrameCount(uint32_t& frameCount) = 0;
103 
104     virtual int64_t GetAudioTime() = 0;
105 };
106 
107 } // namespace OHOS::NWeb
108 
109 #endif // AUDIO_CAPTURE_ADAPTER_H
110