/****************************************************************************
 *                                                                          *
 * Project64 - A Nintendo 64 emulator.                                      *
 * http://www.pj64-emu.com/                                                 *
 * Copyright (C) 2016 Project64. All rights reserved.                       *
 * Copyright (C) 2014 Bobby Smiles                                          *
 *                                                                          *
 * License:                                                                 *
 * GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html                       *
 * version 2 of the License, or (at your option) any later version.         *
 *                                                                          *
 ****************************************************************************/
#pragma once

extern const int16_t RESAMPLE_LUT[64 * 4];

int32_t rdot(size_t n, const int16_t *x, const int16_t *y);

static inline int16_t adpcm_predict_sample(uint8_t byte, uint8_t mask,
    unsigned lshift, unsigned rshift)
{
    int16_t sample = (uint16_t)(byte & mask) << lshift;
    sample >>= rshift; /* signed */
    return sample;
}

void adpcm_compute_residuals(int16_t* dst, const int16_t* src,
    const int16_t* cb_entry, const int16_t* last_samples, size_t count);