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+/*
+ * Copyright (C) 2010 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.
+ */
+
+#ifndef ANDROID_EFFECTENVIRONMENTALREVERBAPI_H_
+#define ANDROID_EFFECTENVIRONMENTALREVERBAPI_H_
+
+#include <media/EffectApi.h>
+
+#if __cplusplus
+extern "C" {
+#endif
+
+#ifndef OPENSL_ES_H_
+static const effect_uuid_t SL_IID_ENVIRONMENTALREVERB_ = { 0xc2e5d5f0, 0x94bd, 0x4763, 0x9cac, { 0x4e, 0x23, 0x4d, 0x6, 0x83, 0x9e } };
+const effect_uuid_t * const SL_IID_ENVIRONMENTALREVERB = &SL_IID_ENVIRONMENTALREVERB_;
+#endif //OPENSL_ES_H_
+
+/* enumerated parameter settings for environmental reverb effect */
+typedef enum
+{
+ // Parameters below are as defined in OpenSL ES specification for environmental reverb interface
+ REVERB_PARAM_ROOM_LEVEL, // in millibels, range -6000 to 0
+ REVERB_PARAM_ROOM_HF_LEVEL, // in millibels, range -4000 to 0
+ REVERB_PARAM_DECAY_TIME, // in milliseconds, range 100 to 20000
+ REVERB_PARAM_DECAY_HF_RATIO, // in permilles, range 100 to 1000
+ REVERB_PARAM_REFLECTIONS_LEVEL, // in millibels, range -6000 to 0
+ REVERB_PARAM_REFLECTIONS_DELAY, // in milliseconds, range 0 to 65
+ REVERB_PARAM_REVERB_LEVEL, // in millibels, range -6000 to 0
+ REVERB_PARAM_REVERB_DELAY, // in milliseconds, range 0 to 65
+ REVERB_PARAM_DIFFUSION, // in permilles, range 0 to 1000
+ REVERB_PARAM_DENSITY, // in permilles, range 0 to 1000
+ REVERB_PARAM_PROPERTIES,
+ REVERB_PARAM_BYPASS
+} t_env_reverb_params;
+
+//t_reverb_settings is equal to SLEnvironmentalReverbSettings defined in OpenSL ES specification.
+typedef struct s_reverb_settings {
+ int16_t roomLevel;
+ int16_t roomHFLevel;
+ uint32_t decayTime;
+ int16_t decayHFRatio;
+ int16_t reflectionsLevel;
+ uint32_t reflectionsDelay;
+ int16_t reverbLevel;
+ uint32_t reverbDelay;
+ int16_t diffusion;
+ int16_t density;
+} __attribute__((packed)) t_reverb_settings;
+
+
+#if __cplusplus
+} // extern "C"
+#endif
+
+
+#endif /*ANDROID_EFFECTENVIRONMENTALREVERBAPI_H_*/