/*
 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */


#include <stdlib.h>
#include "vp9/common/sadmxn.h"
#include "vpx_ports/config.h"
#include "vpx/vpx_integer.h"

unsigned int vp9_sad32x32_c(const unsigned char *src_ptr,
                            int  src_stride,
                            const unsigned char *ref_ptr,
                            int  ref_stride,
                            int max_sad) {
  return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 32, 32);
}

unsigned int vp9_sad16x16_c(const unsigned char *src_ptr,
                            int  src_stride,
                            const unsigned char *ref_ptr,
                            int  ref_stride,
                            int max_sad) {
  return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 16, 16);
}

unsigned int vp9_sad8x8_c(const unsigned char *src_ptr,
                          int  src_stride,
                          const unsigned char *ref_ptr,
                          int  ref_stride,
                          int max_sad) {
  return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 8, 8);
}


unsigned int vp9_sad16x8_c(const unsigned char *src_ptr,
                           int  src_stride,
                           const unsigned char *ref_ptr,
                           int  ref_stride,
                           int max_sad) {
  return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 16, 8);
}

unsigned int vp9_sad8x16_c(const unsigned char *src_ptr,
                           int  src_stride,
                           const unsigned char *ref_ptr,
                           int  ref_stride,
                           int max_sad) {
  return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 8, 16);
}


unsigned int vp9_sad4x4_c(const unsigned char *src_ptr,
                          int  src_stride,
                          const unsigned char *ref_ptr,
                          int  ref_stride,
                          int max_sad) {
  return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 4, 4);
}

void vp9_sad32x32x3_c(const unsigned char *src_ptr,
                      int  src_stride,
                      const unsigned char *ref_ptr,
                      int  ref_stride,
                      unsigned int *sad_array
                      ) {
  sad_array[0] = vp9_sad32x32_c(src_ptr, src_stride,
                                ref_ptr, ref_stride, 0x7fffffff);
  sad_array[1] = vp9_sad32x32_c(src_ptr, src_stride,
                                ref_ptr + 1, ref_stride, 0x7fffffff);
  sad_array[2] = vp9_sad32x32_c(src_ptr, src_stride,
                                ref_ptr + 2, ref_stride, 0x7fffffff);
}

void vp9_sad32x32x8_c(const unsigned char *src_ptr,
                      int  src_stride,
                      const unsigned char *ref_ptr,
                      int  ref_stride,
                      unsigned short *sad_array
                      ) {
  sad_array[0] = (unsigned short)vp9_sad32x32_c(src_ptr, src_stride,
                                                ref_ptr, ref_stride,
                                                0x7fffffff);
  sad_array[1] = (unsigned short)vp9_sad32x32_c(src_ptr, src_stride,
                                                ref_ptr + 1, ref_stride,
                                                0x7fffffff);
  sad_array[2] = (unsigned short)vp9_sad32x32_c(src_ptr, src_stride,
                                                ref_ptr + 2, ref_stride,
                                                0x7fffffff);
  sad_array[3] = (unsigned short)vp9_sad32x32_c(src_ptr, src_stride,
                                                ref_ptr + 3, ref_stride,
                                                0x7fffffff);
  sad_array[4] = (unsigned short)vp9_sad32x32_c(src_ptr, src_stride,
                                                ref_ptr + 4, ref_stride,
                                                0x7fffffff);
  sad_array[5] = (unsigned short)vp9_sad32x32_c(src_ptr, src_stride,
                                                ref_ptr + 5, ref_stride,
                                                0x7fffffff);
  sad_array[6] = (unsigned short)vp9_sad32x32_c(src_ptr, src_stride,
                                                ref_ptr + 6, ref_stride,
                                                0x7fffffff);
  sad_array[7] = (unsigned short)vp9_sad32x32_c(src_ptr, src_stride,
                                                ref_ptr + 7, ref_stride,
                                                0x7fffffff);
}

void vp9_sad16x16x3_c(const unsigned char *src_ptr,
                      int  src_stride,
                      const unsigned char *ref_ptr,
                      int  ref_stride,
                      unsigned int *sad_array) {
  sad_array[0] = vp9_sad16x16_c(src_ptr, src_stride,
                                ref_ptr, ref_stride, 0x7fffffff);
  sad_array[1] = vp9_sad16x16_c(src_ptr, src_stride,
                                ref_ptr + 1, ref_stride, 0x7fffffff);
  sad_array[2] = vp9_sad16x16_c(src_ptr, src_stride,
                                ref_ptr + 2, ref_stride, 0x7fffffff);
}

void vp9_sad16x16x8_c(const unsigned char *src_ptr,
                      int  src_stride,
                      const unsigned char *ref_ptr,
                      int  ref_stride,
                      unsigned short *sad_array) {
  sad_array[0] = (unsigned short)vp9_sad16x16_c(src_ptr, src_stride,
                                                ref_ptr, ref_stride,
                                                0x7fffffff);
  sad_array[1] = (unsigned short)vp9_sad16x16_c(src_ptr, src_stride,
                                                ref_ptr + 1, ref_stride,
                                                0x7fffffff);
  sad_array[2] = (unsigned short)vp9_sad16x16_c(src_ptr, src_stride,
                                                ref_ptr + 2, ref_stride,
                                                0x7fffffff);
  sad_array[3] = (unsigned short)vp9_sad16x16_c(src_ptr, src_stride,
                                                ref_ptr + 3, ref_stride,
                                                0x7fffffff);
  sad_array[4] = (unsigned short)vp9_sad16x16_c(src_ptr, src_stride,
                                                ref_ptr + 4, ref_stride,
                                                0x7fffffff);
  sad_array[5] = (unsigned short)vp9_sad16x16_c(src_ptr, src_stride,
                                                ref_ptr + 5, ref_stride,
                                                0x7fffffff);
  sad_array[6] = (unsigned short)vp9_sad16x16_c(src_ptr, src_stride,
                                                ref_ptr + 6, ref_stride,
                                                0x7fffffff);
  sad_array[7] = (unsigned short)vp9_sad16x16_c(src_ptr, src_stride,
                                                ref_ptr + 7, ref_stride,
                                                0x7fffffff);
}

void vp9_sad16x8x3_c(const unsigned char *src_ptr,
                     int  src_stride,
                     const unsigned char *ref_ptr,
                     int  ref_stride,
                     unsigned int *sad_array) {
  sad_array[0] = vp9_sad16x8_c(src_ptr, src_stride,
                               ref_ptr, ref_stride, 0x7fffffff);
  sad_array[1] = vp9_sad16x8_c(src_ptr, src_stride,
                               ref_ptr + 1, ref_stride, 0x7fffffff);
  sad_array[2] = vp9_sad16x8_c(src_ptr, src_stride,
                               ref_ptr + 2, ref_stride, 0x7fffffff);
}

void vp9_sad16x8x8_c(const unsigned char *src_ptr,
                     int  src_stride,
                     const unsigned char *ref_ptr,
                     int  ref_stride,
                     unsigned short *sad_array) {
  sad_array[0] = (unsigned short)vp9_sad16x8_c(src_ptr, src_stride,
                                               ref_ptr, ref_stride,
                                               0x7fffffff);
  sad_array[1] = (unsigned short)vp9_sad16x8_c(src_ptr, src_stride,
                                               ref_ptr + 1, ref_stride,
                                               0x7fffffff);
  sad_array[2] = (unsigned short)vp9_sad16x8_c(src_ptr, src_stride,
                                               ref_ptr + 2, ref_stride,
                                               0x7fffffff);
  sad_array[3] = (unsigned short)vp9_sad16x8_c(src_ptr, src_stride,
                                               ref_ptr + 3, ref_stride,
                                               0x7fffffff);
  sad_array[4] = (unsigned short)vp9_sad16x8_c(src_ptr, src_stride,
                                               ref_ptr + 4, ref_stride,
                                               0x7fffffff);
  sad_array[5] = (unsigned short)vp9_sad16x8_c(src_ptr, src_stride,
                                               ref_ptr + 5, ref_stride,
                                               0x7fffffff);
  sad_array[6] = (unsigned short)vp9_sad16x8_c(src_ptr, src_stride,
                                               ref_ptr + 6, ref_stride,
                                               0x7fffffff);
  sad_array[7] = (unsigned short)vp9_sad16x8_c(src_ptr, src_stride,
                                               ref_ptr + 7, ref_stride,
                                               0x7fffffff);
}

void vp9_sad8x8x3_c(const unsigned char *src_ptr,
                    int  src_stride,
                    const unsigned char *ref_ptr,
                    int  ref_stride,
                    unsigned int *sad_array) {
  sad_array[0] = vp9_sad8x8_c(src_ptr, src_stride,
                              ref_ptr, ref_stride, 0x7fffffff);
  sad_array[1] = vp9_sad8x8_c(src_ptr, src_stride,
                              ref_ptr + 1, ref_stride, 0x7fffffff);
  sad_array[2] = vp9_sad8x8_c(src_ptr, src_stride,
                              ref_ptr + 2, ref_stride, 0x7fffffff);
}

void vp9_sad8x8x8_c(const unsigned char *src_ptr,
                    int  src_stride,
                    const unsigned char *ref_ptr,
                    int  ref_stride,
                    unsigned short *sad_array) {
  sad_array[0] = (unsigned short)vp9_sad8x8_c(src_ptr, src_stride,
                                              ref_ptr, ref_stride,
                                              0x7fffffff);
  sad_array[1] = (unsigned short)vp9_sad8x8_c(src_ptr, src_stride,
                                              ref_ptr + 1, ref_stride,
                                              0x7fffffff);
  sad_array[2] = (unsigned short)vp9_sad8x8_c(src_ptr, src_stride,
                                              ref_ptr + 2, ref_stride,
                                              0x7fffffff);
  sad_array[3] = (unsigned short)vp9_sad8x8_c(src_ptr, src_stride,
                                              ref_ptr + 3, ref_stride,
                                              0x7fffffff);
  sad_array[4] = (unsigned short)vp9_sad8x8_c(src_ptr, src_stride,
                                              ref_ptr + 4, ref_stride,
                                              0x7fffffff);
  sad_array[5] = (unsigned short)vp9_sad8x8_c(src_ptr, src_stride,
                                              ref_ptr + 5, ref_stride,
                                              0x7fffffff);
  sad_array[6] = (unsigned short)vp9_sad8x8_c(src_ptr, src_stride,
                                              ref_ptr + 6, ref_stride,
                                              0x7fffffff);
  sad_array[7] = (unsigned short)vp9_sad8x8_c(src_ptr, src_stride,
                                              ref_ptr + 7, ref_stride,
                                              0x7fffffff);
}

void vp9_sad8x16x3_c(const unsigned char *src_ptr,
                     int  src_stride,
                     const unsigned char *ref_ptr,
                     int  ref_stride,
                     unsigned int *sad_array) {
  sad_array[0] = vp9_sad8x16_c(src_ptr, src_stride,
                               ref_ptr, ref_stride, 0x7fffffff);
  sad_array[1] = vp9_sad8x16_c(src_ptr, src_stride,
                               ref_ptr + 1, ref_stride, 0x7fffffff);
  sad_array[2] = vp9_sad8x16_c(src_ptr, src_stride,
                               ref_ptr + 2, ref_stride, 0x7fffffff);
}

void vp9_sad8x16x8_c(const unsigned char *src_ptr,
                     int  src_stride,
                     const unsigned char *ref_ptr,
                     int  ref_stride,
                     unsigned short *sad_array) {
  sad_array[0] = (unsigned short)vp9_sad8x16_c(src_ptr, src_stride,
                                               ref_ptr, ref_stride,
                                               0x7fffffff);
  sad_array[1] = (unsigned short)vp9_sad8x16_c(src_ptr, src_stride,
                                               ref_ptr + 1, ref_stride,
                                               0x7fffffff);
  sad_array[2] = (unsigned short)vp9_sad8x16_c(src_ptr, src_stride,
                                               ref_ptr + 2, ref_stride,
                                               0x7fffffff);
  sad_array[3] = (unsigned short)vp9_sad8x16_c(src_ptr, src_stride,
                                               ref_ptr + 3, ref_stride,
                                               0x7fffffff);
  sad_array[4] = (unsigned short)vp9_sad8x16_c(src_ptr, src_stride,
                                               ref_ptr + 4, ref_stride,
                                               0x7fffffff);
  sad_array[5] = (unsigned short)vp9_sad8x16_c(src_ptr, src_stride,
                                               ref_ptr + 5, ref_stride,
                                               0x7fffffff);
  sad_array[6] = (unsigned short)vp9_sad8x16_c(src_ptr, src_stride,
                                               ref_ptr + 6, ref_stride,
                                               0x7fffffff);
  sad_array[7] = (unsigned short)vp9_sad8x16_c(src_ptr, src_stride,
                                               ref_ptr + 7, ref_stride,
                                               0x7fffffff);
}

void vp9_sad4x4x3_c(const unsigned char *src_ptr,
                    int  src_stride,
                    const unsigned char *ref_ptr,
                    int  ref_stride,
                    unsigned int *sad_array) {
  sad_array[0] = vp9_sad4x4_c(src_ptr, src_stride,
                              ref_ptr, ref_stride, 0x7fffffff);
  sad_array[1] = vp9_sad4x4_c(src_ptr, src_stride,
                              ref_ptr + 1, ref_stride, 0x7fffffff);
  sad_array[2] = vp9_sad4x4_c(src_ptr, src_stride,
                              ref_ptr + 2, ref_stride, 0x7fffffff);
}

void vp9_sad4x4x8_c(const unsigned char *src_ptr,
                    int  src_stride,
                    const unsigned char *ref_ptr,
                    int  ref_stride,
                    unsigned short *sad_array) {
  sad_array[0] = (unsigned short)vp9_sad4x4_c(src_ptr, src_stride,
                                              ref_ptr, ref_stride,
                                              0x7fffffff);
  sad_array[1] = (unsigned short)vp9_sad4x4_c(src_ptr, src_stride,
                                              ref_ptr + 1, ref_stride,
                                              0x7fffffff);
  sad_array[2] = (unsigned short)vp9_sad4x4_c(src_ptr, src_stride,
                                              ref_ptr + 2, ref_stride,
                                              0x7fffffff);
  sad_array[3] = (unsigned short)vp9_sad4x4_c(src_ptr, src_stride,
                                              ref_ptr + 3, ref_stride,
                                              0x7fffffff);
  sad_array[4] = (unsigned short)vp9_sad4x4_c(src_ptr, src_stride,
                                              ref_ptr + 4, ref_stride,
                                              0x7fffffff);
  sad_array[5] = (unsigned short)vp9_sad4x4_c(src_ptr, src_stride,
                                              ref_ptr + 5, ref_stride,
                                              0x7fffffff);
  sad_array[6] = (unsigned short)vp9_sad4x4_c(src_ptr, src_stride,
                                              ref_ptr + 6, ref_stride,
                                              0x7fffffff);
  sad_array[7] = (unsigned short)vp9_sad4x4_c(src_ptr, src_stride,
                                              ref_ptr + 7, ref_stride,
                                              0x7fffffff);
}

void vp9_sad32x32x4d_c(const unsigned char *src_ptr,
                       int  src_stride,
                       unsigned char *ref_ptr[],
                       int  ref_stride,
                       unsigned int *sad_array
                       ) {
  sad_array[0] = vp9_sad32x32_c(src_ptr, src_stride,
                                ref_ptr[0], ref_stride, 0x7fffffff);
  sad_array[1] = vp9_sad32x32_c(src_ptr, src_stride,
                                ref_ptr[1], ref_stride, 0x7fffffff);
  sad_array[2] = vp9_sad32x32_c(src_ptr, src_stride,
                                ref_ptr[2], ref_stride, 0x7fffffff);
  sad_array[3] = vp9_sad32x32_c(src_ptr, src_stride,
                                ref_ptr[3], ref_stride, 0x7fffffff);
}

void vp9_sad16x16x4d_c(const unsigned char *src_ptr,
                       int  src_stride,
                       unsigned char *ref_ptr[],
                       int  ref_stride,
                       unsigned int *sad_array) {
  sad_array[0] = vp9_sad16x16_c(src_ptr, src_stride,
                                ref_ptr[0], ref_stride, 0x7fffffff);
  sad_array[1] = vp9_sad16x16_c(src_ptr, src_stride,
                                ref_ptr[1], ref_stride, 0x7fffffff);
  sad_array[2] = vp9_sad16x16_c(src_ptr, src_stride,
                                ref_ptr[2], ref_stride, 0x7fffffff);
  sad_array[3] = vp9_sad16x16_c(src_ptr, src_stride,
                                ref_ptr[3], ref_stride, 0x7fffffff);
}

void vp9_sad16x8x4d_c(const unsigned char *src_ptr,
                      int  src_stride,
                      unsigned char *ref_ptr[],
                      int  ref_stride,
                      unsigned int *sad_array) {
  sad_array[0] = vp9_sad16x8_c(src_ptr, src_stride,
                               ref_ptr[0], ref_stride, 0x7fffffff);
  sad_array[1] = vp9_sad16x8_c(src_ptr, src_stride,
                               ref_ptr[1], ref_stride, 0x7fffffff);
  sad_array[2] = vp9_sad16x8_c(src_ptr, src_stride,
                               ref_ptr[2], ref_stride, 0x7fffffff);
  sad_array[3] = vp9_sad16x8_c(src_ptr, src_stride,
                               ref_ptr[3], ref_stride, 0x7fffffff);
}

void vp9_sad8x8x4d_c(const unsigned char *src_ptr,
                     int  src_stride,
                     unsigned char *ref_ptr[],
                     int  ref_stride,
                     unsigned int *sad_array) {
  sad_array[0] = vp9_sad8x8_c(src_ptr, src_stride,
                              ref_ptr[0], ref_stride, 0x7fffffff);
  sad_array[1] = vp9_sad8x8_c(src_ptr, src_stride,
                              ref_ptr[1], ref_stride, 0x7fffffff);
  sad_array[2] = vp9_sad8x8_c(src_ptr, src_stride,
                              ref_ptr[2], ref_stride, 0x7fffffff);
  sad_array[3] = vp9_sad8x8_c(src_ptr, src_stride,
                              ref_ptr[3], ref_stride, 0x7fffffff);
}

void vp9_sad8x16x4d_c(const unsigned char *src_ptr,
                      int  src_stride,
                      unsigned char *ref_ptr[],
                      int  ref_stride,
                      unsigned int *sad_array) {
  sad_array[0] = vp9_sad8x16_c(src_ptr, src_stride,
                               ref_ptr[0], ref_stride, 0x7fffffff);
  sad_array[1] = vp9_sad8x16_c(src_ptr, src_stride,
                               ref_ptr[1], ref_stride, 0x7fffffff);
  sad_array[2] = vp9_sad8x16_c(src_ptr, src_stride,
                               ref_ptr[2], ref_stride, 0x7fffffff);
  sad_array[3] = vp9_sad8x16_c(src_ptr, src_stride,
                               ref_ptr[3], ref_stride, 0x7fffffff);
}

void vp9_sad4x4x4d_c(const unsigned char *src_ptr,
                     int  src_stride,
                     unsigned char *ref_ptr[],
                     int  ref_stride,
                     unsigned int *sad_array) {
  sad_array[0] = vp9_sad4x4_c(src_ptr, src_stride,
                              ref_ptr[0], ref_stride, 0x7fffffff);
  sad_array[1] = vp9_sad4x4_c(src_ptr, src_stride,
                              ref_ptr[1], ref_stride, 0x7fffffff);
  sad_array[2] = vp9_sad4x4_c(src_ptr, src_stride,
                              ref_ptr[2], ref_stride, 0x7fffffff);
  sad_array[3] = vp9_sad4x4_c(src_ptr, src_stride,
                              ref_ptr[3], ref_stride, 0x7fffffff);
}

/* Copy 2 macroblocks to a buffer */
void vp9_copy32xn_c(unsigned char *src_ptr,
                    int  src_stride,
                    unsigned char *dst_ptr,
                    int  dst_stride,
                    int height) {
  int r;

  for (r = 0; r < height; r++) {
#if !(CONFIG_FAST_UNALIGNED)
    dst_ptr[0] = src_ptr[0];
    dst_ptr[1] = src_ptr[1];
    dst_ptr[2] = src_ptr[2];
    dst_ptr[3] = src_ptr[3];
    dst_ptr[4] = src_ptr[4];
    dst_ptr[5] = src_ptr[5];
    dst_ptr[6] = src_ptr[6];
    dst_ptr[7] = src_ptr[7];
    dst_ptr[8] = src_ptr[8];
    dst_ptr[9] = src_ptr[9];
    dst_ptr[10] = src_ptr[10];
    dst_ptr[11] = src_ptr[11];
    dst_ptr[12] = src_ptr[12];
    dst_ptr[13] = src_ptr[13];
    dst_ptr[14] = src_ptr[14];
    dst_ptr[15] = src_ptr[15];
    dst_ptr[16] = src_ptr[16];
    dst_ptr[17] = src_ptr[17];
    dst_ptr[18] = src_ptr[18];
    dst_ptr[19] = src_ptr[19];
    dst_ptr[20] = src_ptr[20];
    dst_ptr[21] = src_ptr[21];
    dst_ptr[22] = src_ptr[22];
    dst_ptr[23] = src_ptr[23];
    dst_ptr[24] = src_ptr[24];
    dst_ptr[25] = src_ptr[25];
    dst_ptr[26] = src_ptr[26];
    dst_ptr[27] = src_ptr[27];
    dst_ptr[28] = src_ptr[28];
    dst_ptr[29] = src_ptr[29];
    dst_ptr[30] = src_ptr[30];
    dst_ptr[31] = src_ptr[31];
#else
    ((uint32_t *)dst_ptr)[0] = ((uint32_t *)src_ptr)[0];
    ((uint32_t *)dst_ptr)[1] = ((uint32_t *)src_ptr)[1];
    ((uint32_t *)dst_ptr)[2] = ((uint32_t *)src_ptr)[2];
    ((uint32_t *)dst_ptr)[3] = ((uint32_t *)src_ptr)[3];
    ((uint32_t *)dst_ptr)[4] = ((uint32_t *)src_ptr)[4];
    ((uint32_t *)dst_ptr)[5] = ((uint32_t *)src_ptr)[5];
    ((uint32_t *)dst_ptr)[6] = ((uint32_t *)src_ptr)[6];
    ((uint32_t *)dst_ptr)[7] = ((uint32_t *)src_ptr)[7];
#endif
    src_ptr += src_stride;
    dst_ptr += dst_stride;

  }
}