70 lines
2.6 KiB
C
70 lines
2.6 KiB
C
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_EFFECTENVIRONMENTALREVERBAPI_H_
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#define ANDROID_EFFECTENVIRONMENTALREVERBAPI_H_
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#include <media/EffectApi.h>
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#if __cplusplus
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extern "C" {
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#endif
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#ifndef OPENSL_ES_H_
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static const effect_uuid_t SL_IID_ENVIRONMENTALREVERB_ = { 0xc2e5d5f0, 0x94bd, 0x4763, 0x9cac, { 0x4e, 0x23, 0x4d, 0x6, 0x83, 0x9e } };
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const effect_uuid_t * const SL_IID_ENVIRONMENTALREVERB = &SL_IID_ENVIRONMENTALREVERB_;
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#endif //OPENSL_ES_H_
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/* enumerated parameter settings for environmental reverb effect */
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typedef enum
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{
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// Parameters below are as defined in OpenSL ES specification for environmental reverb interface
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REVERB_PARAM_ROOM_LEVEL, // in millibels, range -6000 to 0
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REVERB_PARAM_ROOM_HF_LEVEL, // in millibels, range -4000 to 0
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REVERB_PARAM_DECAY_TIME, // in milliseconds, range 100 to 20000
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REVERB_PARAM_DECAY_HF_RATIO, // in permilles, range 100 to 1000
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REVERB_PARAM_REFLECTIONS_LEVEL, // in millibels, range -6000 to 0
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REVERB_PARAM_REFLECTIONS_DELAY, // in milliseconds, range 0 to 65
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REVERB_PARAM_REVERB_LEVEL, // in millibels, range -6000 to 0
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REVERB_PARAM_REVERB_DELAY, // in milliseconds, range 0 to 65
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REVERB_PARAM_DIFFUSION, // in permilles, range 0 to 1000
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REVERB_PARAM_DENSITY, // in permilles, range 0 to 1000
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REVERB_PARAM_PROPERTIES,
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REVERB_PARAM_BYPASS
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} t_env_reverb_params;
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//t_reverb_settings is equal to SLEnvironmentalReverbSettings defined in OpenSL ES specification.
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typedef struct s_reverb_settings {
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int16_t roomLevel;
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int16_t roomHFLevel;
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uint32_t decayTime;
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int16_t decayHFRatio;
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int16_t reflectionsLevel;
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uint32_t reflectionsDelay;
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int16_t reverbLevel;
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uint32_t reverbDelay;
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int16_t diffusion;
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int16_t density;
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} __attribute__((packed)) t_reverb_settings;
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#if __cplusplus
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} // extern "C"
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#endif
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#endif /*ANDROID_EFFECTENVIRONMENTALREVERBAPI_H_*/
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