audioflinger/resampler: Add VERY_HIGH_QUALITY audio-resampler

LOCAL_PATH := $(call my-dir)

include $(CLEAR_VARS)

LOCAL_SRC_FILES := \

    AudioResamplerCoefficients.cpp

LOCAL_MODULE := libaudio-resampler

LOCAL_MODULE_TAGS := optional

LOCAL_SHARED_LIBRARIES  := libutils liblog

include $(BUILD_SHARED_LIBRARY)

/*

 * Copyright (C) 2012 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.

 */

#include <dnsampler_filter_coefficients_x128_10112011.h>

#include <resampler_filter_coefficients_10042011.h>

#undef LOG_TAG

#include <utils/Log.h>

//#include "common_log.h"

#define LOG_TAG "ResamplerCoefficients"

#define LOG_NDEBUG 0

const int32_t RESAMPLE_FIR_NUM_COEF       = 16;

const int32_t RESAMPLE_FIR_LERP_INT_BITS  = 7;

using namespace android;

#ifdef __cplusplus

extern "C" {

#endif

const int32_t* readResamplerCoefficients(bool upSample) {

    ALOGV("readResamplerCoefficients");

    if(upSample) {

        return resampler_filter_coefficients_10042011;

    }

    else {

        return dnsampler_filter_coefficients_x128_10112011;

   }

}

int32_t readResampleFirNumCoeff() {

    return RESAMPLE_FIR_NUM_COEF;

}

int32_t readResampleFirLerpIntBits() {

   return RESAMPLE_FIR_LERP_INT_BITS;

}

#ifdef __cplusplus

}

#endif