/* * Copyright (C) 2010-2011 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. */ package com.android.audiofx; /** * OpenSL ES constants class */ public final class OpenSLESConstants { private OpenSLESConstants() { // Empty constructor } /** * Minimum volume level in millibel (mb). */ public static final short SL_MILLIBEL_MIN = -9600; /** * This value is used when equalizer setting is not defined. */ public static final short SL_EQUALIZER_UNDEFINED = (short) 0xFFFF; /** * The minimum bass boost strength in o/oo. */ public static final short BASSBOOST_MIN_STRENGTH = 0; /** * The maximum bass boost strength in o/oo. */ public static final short BASSBOOST_MAX_STRENGTH = 1000; /** * The minimum reverb room level in mb. */ public static final short REVERB_MIN_ROOM_LEVEL = SL_MILLIBEL_MIN; /** * The maximum reverb room level in mb. */ public static final short REVERB_MAX_ROOM_LEVEL = 0; /** * The minimum reverb room HF level in mb. */ public static final short REVERB_MIN_ROOM_HF_LEVEL = SL_MILLIBEL_MIN; /** * The maximum reverb room HF level in mb. */ public static final short REVERB_MAX_ROOM_HF_LEVEL = 0; /** * The minimum reverb decay time in ms. */ public static final short REVERB_MIN_DECAY_TIME = 100; /** * The maximum reverb decay time in ms. */ // XXX: OpenSL ES is normally 20000 but can only support 7000 for now public static final short REVERB_MAX_DECAY_TIME = 7000; /** * The minimum reverb decay HF ratio in o/oo. */ public static final short REVERB_MIN_DECAY_HF_RATIO = 100; /** * The maximum reverb decay HF ratio in o/oo. */ public static final short REVERB_MAX_DECAY_HF_RATIO = 2000; /** * The minimum reverb level in mb. */ public static final short REVERB_MIN_REVERB_LEVEL = SL_MILLIBEL_MIN; /** * The maximum reverb level in mb. */ public static final short REVERB_MAX_REVERB_LEVEL = 2000; /** * The minimum reverb diffusion in o/oo. */ public static final short REVERB_MIN_DIFFUSION = 0; /** * The maximum reverb diffusion in o/oo. */ public static final short REVERB_MAX_DIFFUSION = 1000; /** * The minimum reverb density in o/oo. */ public static final short REVERB_MIN_DENSITY = 0; /** * The maximum reverb density in o/oo. */ public static final short REVERB_MAX_DENSITY = 1000; /** * The minimum virtualizer strength in o/oo. */ public static final short VIRTUALIZER_MIN_STRENGTH = 0; /** * The maximum virtualizer strength in o/oo. */ public static final short VIRTUALIZER_MAX_STRENGTH = 1000; /** * The minimum volume effect level in millibel (mb). */ public static final short VOLUME_MIN_LEVEL = SL_MILLIBEL_MIN; /** * The minimum volume stereo position in o/oo. */ public static final short VOLUME_MIN_STEREO_POSITION = -1000; /** * The maximum volume stereo position in o/oo. */ public static final short VOLUME_MAX_STEREO_POSITION = 1000; }