1 /*
2  * Copyright (c) 2022 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 HDF_I_AUDIO_ATTRIBUTE_H
17 #define HDF_I_AUDIO_ATTRIBUTE_H
18 
19 namespace OHOS {
20 namespace DistributedHardware {
21 class IAudioAttribute {
22     virtual int32_t GetFrameSize(uint64_t &size) = 0;
23 
24     virtual int32_t GetFrameCount(uint64_t &count) = 0;
25 
26     virtual int32_t SetSampleAttributes(const AudioSampleAttributesHAL &attrs) = 0;
27 
28     virtual int32_t GetSampleAttributes(AudioSampleAttributesHAL &attrs) = 0;
29 
30     virtual int32_t GetCurrentChannelId(uint32_t &channelId) = 0;
31 
32     virtual int32_t SetExtraParams(const std::string &keyValueList) = 0;
33 
34     virtual int32_t GetExtraParams(std::string &keyValueList) = 0;
35 
36     virtual int32_t ReqMmapBuffer(int32_t reqSize, AudioMmapBufferDescriptorHAL &desc) = 0;
37 
38     virtual int32_t GetMmapPosition(uint64_t &frames, AudioTimeStampHAL &time) = 0;
39 };
40 } // namespace DistributedHardware
41 } // namespace OHOS
42 #endif // HDF_I_AUDIO_ATTRIBUTE_H