1/*
2 * Copyright (C) 2012 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#define LOG_TAG "ResamplerCoefficients"
18//#define LOG_NDEBUG 0
19
20#include <utils/Log.h>
21
22#include "filter_coefficients.h"
23
24const int32_t RESAMPLE_FIR_NUM_COEF = 16;
25const int32_t RESAMPLE_FIR_LERP_INT_BITS = 7;
26
27using namespace android;
28
29#ifdef __cplusplus
30extern "C" {
31#endif
32
33const int32_t* readResamplerCoefficients(bool upSample) {
34
35    ALOGV("readResamplerCoefficients");
36    if (upSample) {
37        return (const int32_t *) up_sampler_filter_coefficients;
38    } else {
39        return (const int32_t *) dn_sampler_filter_coefficients;
40    }
41
42}
43
44int32_t readResampleFirNumCoeff() {
45    return RESAMPLE_FIR_NUM_COEF;
46}
47
48int32_t readResampleFirLerpIntBits() {
49    return RESAMPLE_FIR_LERP_INT_BITS;
50}
51
52#ifdef __cplusplus
53}
54#endif
55