1 /* 2 * Copyright (C) 2010 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_EFFECTVISUALIZERAPI_H_ 18 #define ANDROID_EFFECTVISUALIZERAPI_H_ 19 20 #include <media/EffectApi.h> 21 22 #if __cplusplus 23 extern "C" { 24 #endif 25 26 #ifndef OPENSL_ES_H_ 27 static const effect_uuid_t SL_IID_VISUALIZATION_ = 28 { 0xe46b26a0, 0xdddd, 0x11db, 0x8afd, { 0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b } }; 29 const effect_uuid_t * const SL_IID_VISUALIZATION = &SL_IID_VISUALIZATION_; 30 #endif //OPENSL_ES_H_ 31 32 #define VISUALIZER_CAPTURE_SIZE_MAX 1024 // maximum capture size in samples 33 #define VISUALIZER_CAPTURE_SIZE_MIN 128 // minimum capture size in samples 34 35 /* enumerated parameters for Visualizer effect */ 36 typedef enum 37 { 38 VISU_PARAM_CAPTURE_SIZE, // Sets the number PCM samples in the capture. 39 } t_visualizer_params; 40 41 /* commands */ 42 typedef enum 43 { 44 VISU_CMD_CAPTURE = EFFECT_CMD_FIRST_PROPRIETARY, // Gets the latest PCM capture. 45 }t_visualizer_cmds; 46 47 // VISU_CMD_CAPTURE retrieves the latest PCM snapshot captured by the visualizer engine. 48 // It returns the number of samples specified by VISU_PARAM_CAPTURE_SIZE 49 // in 8 bit unsigned format (0 = 0x80) 50 51 #if __cplusplus 52 } // extern "C" 53 #endif 54 55 56 #endif /*ANDROID_EFFECTVISUALIZERAPI_H_*/ 57