/****************************************************************************** * * * Copyright (C) 2023 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. * ***************************************************************************** * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore */ #pragma once #define MIN_DRC_GAIN_CODING_PROFILE0 (-31.875f) #define MAX_DRC_GAIN_CODING_PROFILE0 (31.875f) #define MIN_DRC_GAIN_CODING_PROFILE1 (-128.0f) #define MAX_DRC_GAIN_CODING_PROFILE1 (0.0f) #define MIN_DRC_GAIN_CODING_PROFILE2 (-32.0f) #define MAX_DRC_GAIN_CODING_PROFILE2 (0.0f) #define INV_LOG10_2 (3.32192809488736f) /* 1.0 / log10(2.0) */ IA_ERRORCODE impd_drc_enc_initial_gain(const WORD32 gain_coding_profile, FLOAT32 gain_initial, FLOAT32 *gain_initial_quant, WORD32 *code_size, WORD32 *code);