1 /*
2  * Copyright (c) 2020-2021 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 RECORDER_SOURCE_H
17 #define RECORDER_SOURCE_H
18 #include <memory>
19 #include <map>
20 #include <string>
21 #include "format.h"
22 #include "media_info.h"
23 
24 namespace OHOS {
25 namespace Media {
26 /**
27  * Indicates the recorder source type
28  */
29 enum RecorderSourceType {
30     /** input camera */
31     RECORDER_SOURCE_CAMERA = 0,
32     /** input surface */
33     RECORDER_SOURCE_SURFACE,
34     /** such as aac */
35     RECORDER_SOURCE_AUDIO,
36     /** image data */
37     RECORDER_SOURCE_IMAGE_DATA,
38     RECORDER_SOURCE_INVALID,
39 };
40 
41 /**
42  * Provides audio capture information, include input source, audio codec format , the sampling rate (Hz)
43  * the sampling rate (Hz), the audio channel count, audio bit width.
44  *
45  */
46 struct RecorderVideoSourceConfig {
47     VideoCodecFormat videoFormat = HEVC;
48     int32_t width = 0;
49     int32_t height = 0;
50     int32_t frameRate = 0;
51     int32_t bitRate = 0;
52     double captureRate = 0.0;
53     int32_t degree = 0;
54     float speed = 1.0f;
55 };
56 
57 /**
58  * Provides audio capture information, include input source, audio codec format , the sampling rate (Hz)
59  * the sampling rate (Hz), the audio channel count, audio bit width.
60  *
61  */
62 struct RecorderAudioSourceConfig {
63     AudioSourceType inputSource = AUDIO_MIC;
64     AudioCodecFormat audioFormat = FORMAT_BUTT;
65     int32_t sampleRate = 0;
66     int32_t channelCount = 0;
67     int32_t bitRate = 0;
68     AudioStreamType streamType = TYPE_MEDIA;
69     AudioBitWidth bitWidth = BIT_WIDTH_16;
70 };
71 
72 enum DataType {
73     /** Image data source */
74     DATA_TYPE_METADATA = 0
75 };
76 
77 struct RecorderDataSourceConfig {
78     DataType dataType;
79 };
80 
81 struct RecorderSourceBuffer {
82     bool keyFrameFlag;
83     int64_t timeStamp;
84     uint64_t dataSeq;
85     size_t dataLen;
86     uint8_t *dataAddr;
87 };
88 
89 class RecorderSource {
90 public:
91     /**
92      * A constructor used to create a {@code RecorderSource} instance based on a file descriptor.
93      */
RecorderSource()94     RecorderSource()
95     {
96         sourceType_ = RECORDER_SOURCE_INVALID;
97     };
98 
~RecorderSource()99     virtual ~RecorderSource(){};
100 
101     /**
102      * get the source-type of the the source.
103      *
104      * @return returns the source type, see {@link RecorderSourceType}.
105      */
GetSourceType()106     RecorderSourceType GetSourceType() const
107     {
108         return sourceType_;
109     }
110     virtual int32_t Start() = 0;
111 
112     virtual int32_t AcquireBuffer(RecorderSourceBuffer &buffer, bool isBlocking) = 0;
113 
114     virtual int32_t ReleaseBuffer(RecorderSourceBuffer &buffer) = 0;
115 
116     virtual int32_t Stop() = 0;
117 
118     virtual int32_t Resume() = 0;
119 
120     virtual int32_t Pause() = 0;
121 
122     virtual int32_t Release() = 0;
123 
124 private:
125     RecorderSourceType sourceType_;
126 };
127 }  // namespace Media
128 }  // namespace OHOS
129 
130 #endif  // RECORDER_SOURCE_H
131