vpx/vp8/encoder/sad_c.c

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2010-05-18 17:58:33 +02:00
/*
* Copyright (c) 2010 The VP8 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.
2010-05-18 17:58:33 +02:00
*/
#include <stdlib.h>
unsigned int vp8_sad16x16_c(
unsigned char *src_ptr,
int src_stride,
unsigned char *ref_ptr,
int ref_stride,
int max_sad)
{
int r, c;
unsigned int sad = 0;
for (r = 0; r < 16; r++)
{
for (c = 0; c < 16; c++)
{
sad += abs(src_ptr[c] - ref_ptr[c]);
}
src_ptr += src_stride;
ref_ptr += ref_stride;
}
return sad;
}
static __inline
unsigned int sad_mx_n_c(
unsigned char *src_ptr,
int src_stride,
unsigned char *ref_ptr,
int ref_stride,
int m,
int n)
{
int r, c;
unsigned int sad = 0;
for (r = 0; r < n; r++)
{
for (c = 0; c < m; c++)
{
sad += abs(src_ptr[c] - ref_ptr[c]);
}
src_ptr += src_stride;
ref_ptr += ref_stride;
}
return sad;
}
unsigned int vp8_sad8x8_c(
unsigned char *src_ptr,
int src_stride,
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 vp8_sad16x8_c(
unsigned char *src_ptr,
int src_stride,
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 vp8_sad8x16_c(
unsigned char *src_ptr,
int src_stride,
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 vp8_sad4x4_c(
unsigned char *src_ptr,
int src_stride,
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 vp8_sad16x16x3_c(
unsigned char *src_ptr,
int src_stride,
unsigned char *ref_ptr,
int ref_stride,
unsigned int *sad_array
)
{
sad_array[0] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr , ref_stride, 0x7fffffff);
sad_array[1] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, 0x7fffffff);
sad_array[2] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, 0x7fffffff);
}
void vp8_sad16x8x3_c(
unsigned char *src_ptr,
int src_stride,
unsigned char *ref_ptr,
int ref_stride,
unsigned int *sad_array
)
{
sad_array[0] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr , ref_stride, 0x7fffffff);
sad_array[1] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, 0x7fffffff);
sad_array[2] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, 0x7fffffff);
}
void vp8_sad8x8x3_c(
unsigned char *src_ptr,
int src_stride,
unsigned char *ref_ptr,
int ref_stride,
unsigned int *sad_array
)
{
sad_array[0] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr , ref_stride, 0x7fffffff);
sad_array[1] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, 0x7fffffff);
sad_array[2] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, 0x7fffffff);
}
void vp8_sad8x16x3_c(
unsigned char *src_ptr,
int src_stride,
unsigned char *ref_ptr,
int ref_stride,
unsigned int *sad_array
)
{
sad_array[0] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr , ref_stride, 0x7fffffff);
sad_array[1] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, 0x7fffffff);
sad_array[2] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, 0x7fffffff);
}
void vp8_sad4x4x3_c(
unsigned char *src_ptr,
int src_stride,
unsigned char *ref_ptr,
int ref_stride,
unsigned int *sad_array
)
{
sad_array[0] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr , ref_stride, 0x7fffffff);
sad_array[1] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, 0x7fffffff);
sad_array[2] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, 0x7fffffff);
}
void vp8_sad16x16x4d_c(
unsigned char *src_ptr,
int src_stride,
unsigned char *ref_ptr[],
int ref_stride,
unsigned int *sad_array
)
{
sad_array[0] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr[0], ref_stride, 0x7fffffff);
sad_array[1] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr[1], ref_stride, 0x7fffffff);
sad_array[2] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr[2], ref_stride, 0x7fffffff);
sad_array[3] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr[3], ref_stride, 0x7fffffff);
}
void vp8_sad16x8x4d_c(
unsigned char *src_ptr,
int src_stride,
unsigned char *ref_ptr[],
int ref_stride,
unsigned int *sad_array
)
{
sad_array[0] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr[0], ref_stride, 0x7fffffff);
sad_array[1] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr[1], ref_stride, 0x7fffffff);
sad_array[2] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr[2], ref_stride, 0x7fffffff);
sad_array[3] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr[3], ref_stride, 0x7fffffff);
}
void vp8_sad8x8x4d_c(
unsigned char *src_ptr,
int src_stride,
unsigned char *ref_ptr[],
int ref_stride,
unsigned int *sad_array
)
{
sad_array[0] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr[0], ref_stride, 0x7fffffff);
sad_array[1] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr[1], ref_stride, 0x7fffffff);
sad_array[2] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr[2], ref_stride, 0x7fffffff);
sad_array[3] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr[3], ref_stride, 0x7fffffff);
}
void vp8_sad8x16x4d_c(
unsigned char *src_ptr,
int src_stride,
unsigned char *ref_ptr[],
int ref_stride,
unsigned int *sad_array
)
{
sad_array[0] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr[0], ref_stride, 0x7fffffff);
sad_array[1] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr[1], ref_stride, 0x7fffffff);
sad_array[2] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr[2], ref_stride, 0x7fffffff);
sad_array[3] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr[3], ref_stride, 0x7fffffff);
}
void vp8_sad4x4x4d_c(
unsigned char *src_ptr,
int src_stride,
unsigned char *ref_ptr[],
int ref_stride,
unsigned int *sad_array
)
{
sad_array[0] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr[0], ref_stride, 0x7fffffff);
sad_array[1] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr[1], ref_stride, 0x7fffffff);
sad_array[2] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr[2], ref_stride, 0x7fffffff);
sad_array[3] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr[3], ref_stride, 0x7fffffff);
}