1 /****************************************************************************** 2 * * 3 * Copyright (C) 2023 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ***************************************************************************** 18 * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore 19 */ 20 21 #include <ixheaacd_type_def.h> 22 #include "ixheaacd_ec_defines.h" 23 24 const WORD16 ia_ec_interpolation_fac[4] = {(0x4000), (0x4c1b), (0x5a82), (0x6ba2)}; 25 26 const FLOAT32 ia_ec_fade_factors[MAX_FADE_FRAMES + 1] = { 27 1.00000f, 0.875f, 0.750f, 0.625f, 0.500f, 0.375f, 0.250f, 0.125f, 0.00000f}; 28 29 const WORD32 ia_ec_fade_factors_fix[MAX_FADE_FRAMES + 1] = { 30 1073741824, 939524096, 805306368, 671088640, 536870912, 402653184, 268435456, 134217728, 0}; 31 32 const FLOAT32 ixheaacd_exc_fade_fac[8] = { 0.8f, 0.7f, 0.6f, 0.5f, 0.4f, 0.3f, 0.2f, 0.1f }; 33