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 #ifndef I_AUDIO_MCR_MIXER_H
16 #define I_AUDIO_MCR_MIXER_H
17 #include "audio_effect.h"
18 namespace OHOS {
19 namespace AudioStandard {
20 namespace IntegrationMCR {
21 class IAudioMcrMixer {
22 public:
23     virtual int32_t InitMixer(AudioChannelLayout mode, int32_t channels) = 0;
24     virtual int32_t Apply(const int32_t &frameLength, float *input, float *output) = 0;
25 };
26 } // namespace IntegrationMCR
27 } // namespace AudioStandard
28 } // namespace OHOS
29 typedef int32_t AudioMcrMixerClassCreateFunc(OHOS::AudioStandard::IntegrationMCR::IAudioMcrMixer **mixer);
30 #endif