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 AUDIO_COMMON_CONVERTER_H 16 #define AUDIO_COMMON_CONVERTER_H 17 #include <cinttypes> 18 #include <vector> 19 20 namespace OHOS { 21 namespace AudioStandard { 22 class AudioCommonConverter { 23 public: 24 static void ConvertBufferToFloat(const uint8_t *buffer, uint32_t samplePerFrame, std::vector<float> &floatBuffer, 25 float volume); 26 static void ConvertBufferTo32Bit(const uint8_t *buffer, int32_t format, int32_t *dst, size_t count, float volume); 27 static void ConvertBufferTo16Bit(const uint8_t *buffer, int32_t format, int16_t *dst, size_t count, float volume); 28 static void ConvertFloatToAudioBuffer(const std::vector<float> &floatBuffer, uint8_t *buffer, 29 uint32_t samplePerFrame); 30 }; 31 } // namespace AudioStandard 32 } // namespace OHOS 33 #endif 34