/** * Copyright (C) 2022 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /*------------------------------------------------------------------------------ * * Function to calculate a quantised representation of an input * difference signal, based on additional dither values and step-size inputs. * *-----------------------------------------------------------------------------*/ #ifndef QUANTISER_H #define QUANTISER_H #ifdef _GCC #pragma GCC visibility push(hidden) #endif #include "AptxParameters.h" void quantiseDifference_HDLL(const int32_t diffSignal, const int32_t ditherVal, const int32_t delta, Quantiser_data* qdata_pt); void quantiseDifference_HDHL(const int32_t diffSignal, const int32_t ditherVal, const int32_t delta, Quantiser_data* qdata_pt); void quantiseDifference_HDLH(const int32_t diffSignal, const int32_t ditherVal, const int32_t delta, Quantiser_data* qdata_pt); void quantiseDifference_HDHH(const int32_t diffSignal, const int32_t ditherVal, const int32_t delta, Quantiser_data* qdata_p); #ifdef _GCC #pragma GCC visibility pop #endif #endif // QUANTISER_H