1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/*
* 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_EFFECTVISUALIZERAPI_H_
#define ANDROID_EFFECTVISUALIZERAPI_H_
#include <hardware/audio_effect.h>
#if __cplusplus
extern "C" {
#endif
#ifndef OPENSL_ES_H_
static const effect_uuid_t SL_IID_VISUALIZATION_ =
{ 0xe46b26a0, 0xdddd, 0x11db, 0x8afd, { 0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b } };
const effect_uuid_t * const SL_IID_VISUALIZATION = &SL_IID_VISUALIZATION_;
#endif //OPENSL_ES_H_
#define VISUALIZER_CAPTURE_SIZE_MAX 1024 // maximum capture size in samples
#define VISUALIZER_CAPTURE_SIZE_MIN 128 // minimum capture size in samples
/* enumerated parameters for Visualizer effect */
typedef enum
{
VISU_PARAM_CAPTURE_SIZE, // Sets the number PCM samples in the capture.
} t_visualizer_params;
/* commands */
typedef enum
{
VISU_CMD_CAPTURE = EFFECT_CMD_FIRST_PROPRIETARY, // Gets the latest PCM capture.
}t_visualizer_cmds;
// VISU_CMD_CAPTURE retrieves the latest PCM snapshot captured by the visualizer engine.
// It returns the number of samples specified by VISU_PARAM_CAPTURE_SIZE
// in 8 bit unsigned format (0 = 0x80)
#if __cplusplus
} // extern "C"
#endif
#endif /*ANDROID_EFFECTVISUALIZERAPI_H_*/
|
