1 /*
2  * Copyright (c) 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 VOLUME_TOOLS_C_H
17 #define VOLUME_TOOLS_C_H
18 
19 #include <inttypes.h>
20 
21 #ifdef __cplusplus
22 extern "C" {
23 #endif
24 
25 typedef struct  AudioRawFormat {
26     uint32_t format; // should be same with AudioStandard::AudioSampleFormat in audio_stream_info.h
27     uint32_t channels; // should be same with AudioStandard::AudioChannel in audio_stream_info.h
28 } AudioRawFormat;
29 
30 int32_t ProcessVol(uint8_t *buffer, size_t length, AudioRawFormat rawformat, float volStart, float volEnd);
31 
32 #ifdef __cplusplus
33 }
34 #endif
35 
36 #endif // VOLUME_TOOLS_C_H