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 17 #ifndef ANDROID_EFFECT_LOUDNESS_ENHANCER_H_ 18 #define ANDROID_EFFECT_LOUDNESS_ENHANCER_H_ 19 20 #include <hardware/audio_effect.h> 21 22 #if __cplusplus 23 extern "C" { 24 #endif 25 26 // this effect is not defined in OpenSL ES as one of the standard effects 27 static const effect_uuid_t FX_IID_LOUDNESS_ENHANCER_ = 28 {0xfe3199be, 0xaed0, 0x413f, 0x87bb, {0x11, 0x26, 0x0e, 0xb6, 0x3c, 0xf1}}; 29 const effect_uuid_t * const FX_IID_LOUDNESS_ENHANCER = &FX_IID_LOUDNESS_ENHANCER_; 30 31 #define LOUDNESS_ENHANCER_DEFAULT_TARGET_GAIN_MB 0 // mB 32 33 // enumerated parameters for DRC effect 34 // to keep in sync with frameworks/base/media/java/android/media/audiofx/LoudnessEnhancer.java 35 typedef enum 36 { 37 LOUDNESS_ENHANCER_PARAM_TARGET_GAIN_MB = 0,// target gain expressed in mB 38 } t_level_monitor_params; 39 40 #if __cplusplus 41 } // extern "C" 42 #endif 43 44 45 #endif /*ANDROID_EFFECT_LOUDNESS_ENHANCER_H_*/ 46