1 /* 2 * Copyright (c) 2025 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 RESAMPLER_H 16 #define RESAMPLER_H 17 #include <cstdint> 18 namespace OHOS { 19 namespace AudioStandard { 20 namespace HPAE { 21 class Resampler { 22 public: 23 virtual ~Resampler() = default; 24 virtual void Reset() = 0; 25 virtual int Process(const float *in_buffer, uint32_t inFrameSize, float *out_buffer, 26 uint32_t outFrameSize) = 0; 27 virtual int32_t UpdateRates(uint32_t inRate, uint32_t outRate) = 0; 28 virtual uint32_t GetInRate() const = 0; 29 virtual uint32_t GetOutRate() const = 0; 30 virtual uint32_t GetChannels() const = 0; 31 virtual int32_t UpdateChannels(uint32_t channels) = 0; 32 }; 33 34 } // HPAE 35 } // AudioStandard 36 } // OHOS 37 38 #endif