1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #ifndef LE_FX_ENGINE_DSP_CORE_DYNAMIC_RANGE_COMPRESSION_INL_H_ 17 #define LE_FX_ENGINE_DSP_CORE_DYNAMIC_RANGE_COMPRESSION_INL_H_ 18 19 //#define LOG_NDEBUG 0 20 #include <cutils/log.h> 21 22 23 namespace le_fx { 24 25 26 inline void AdaptiveDynamicRangeCompression::set_knee_threshold(float decibel) { 27 // Converts to 1og-base 28 knee_threshold_in_decibel_ = decibel; 29 knee_threshold_ = 0.1151292546497023061569109358970308676362037658691406250f * 30 decibel + 10.39717719035538401328722102334722876548767089843750f; 31 } 32 33 34 inline void AdaptiveDynamicRangeCompression::set_knee_threshold_via_target_gain( 35 float target_gain) { 36 const float decibel = target_gain_to_knee_threshold_.Interpolate( 37 target_gain); 38 ALOGV("set_knee_threshold_via_target_gain: decibel =%.3fdB", decibel); 39 set_knee_threshold(decibel); 40 } 41 42 } // namespace le_fx 43 44 45 #endif // LE_FX_ENGINE_DSP_CORE_DYNAMIC_RANGE_COMPRESSION_INL_H_ 46
