vpx/vp9/common/vp9_recon.c
John Koleszar 5ebe94f9f1 Build fixes to merge vp9-preview into master
Various fixups to resolve issues when building vp9-preview under the more stringent
checks placed on the experimental branch.

Change-Id: I21749de83552e1e75c799003f849e6a0f1a35b07
2012-12-26 11:21:09 -08:00

198 lines
3.5 KiB
C

/*
* 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 "./vpx_config.h"
#include "vp9_rtcd.h"
#include "vp9/common/vp9_blockd.h"
void vp9_recon_b_c
(
unsigned char *pred_ptr,
short *diff_ptr,
unsigned char *dst_ptr,
int stride
) {
int r, c;
for (r = 0; r < 4; r++) {
for (c = 0; c < 4; c++) {
int a = diff_ptr[c] + pred_ptr[c];
if (a < 0)
a = 0;
if (a > 255)
a = 255;
dst_ptr[c] = (unsigned char) a;
}
dst_ptr += stride;
diff_ptr += 16;
pred_ptr += 16;
}
}
void vp9_recon_uv_b_c
(
unsigned char *pred_ptr,
short *diff_ptr,
unsigned char *dst_ptr,
int stride
) {
int r, c;
for (r = 0; r < 4; r++) {
for (c = 0; c < 4; c++) {
int a = diff_ptr[c] + pred_ptr[c];
if (a < 0)
a = 0;
if (a > 255)
a = 255;
dst_ptr[c] = (unsigned char) a;
}
dst_ptr += stride;
diff_ptr += 8;
pred_ptr += 8;
}
}
void vp9_recon4b_c
(
unsigned char *pred_ptr,
short *diff_ptr,
unsigned char *dst_ptr,
int stride
) {
int r, c;
for (r = 0; r < 4; r++) {
for (c = 0; c < 16; c++) {
int a = diff_ptr[c] + pred_ptr[c];
if (a < 0)
a = 0;
if (a > 255)
a = 255;
dst_ptr[c] = (unsigned char) a;
}
dst_ptr += stride;
diff_ptr += 16;
pred_ptr += 16;
}
}
void vp9_recon2b_c
(
unsigned char *pred_ptr,
short *diff_ptr,
unsigned char *dst_ptr,
int stride
) {
int r, c;
for (r = 0; r < 4; r++) {
for (c = 0; c < 8; c++) {
int a = diff_ptr[c] + pred_ptr[c];
if (a < 0)
a = 0;
if (a > 255)
a = 255;
dst_ptr[c] = (unsigned char) a;
}
dst_ptr += stride;
diff_ptr += 8;
pred_ptr += 8;
}
}
#if CONFIG_SUPERBLOCKS
void vp9_recon_mby_s_c(MACROBLOCKD *xd, uint8_t *dst) {
int x, y;
BLOCKD *b = &xd->block[0];
int stride = b->dst_stride;
short *diff = b->diff;
for (y = 0; y < 16; y++) {
for (x = 0; x < 16; x++) {
int a = dst[x] + diff[x];
if (a < 0)
a = 0;
else if (a > 255)
a = 255;
dst[x] = a;
}
dst += stride;
diff += 16;
}
}
void vp9_recon_mbuv_s_c(MACROBLOCKD *xd, uint8_t *udst, uint8_t *vdst) {
int x, y, i;
uint8_t *dst = udst;
for (i = 0; i < 2; i++, dst = vdst) {
BLOCKD *b = &xd->block[16 + 4 * i];
int stride = b->dst_stride;
short *diff = b->diff;
for (y = 0; y < 8; y++) {
for (x = 0; x < 8; x++) {
int a = dst[x] + diff[x];
if (a < 0)
a = 0;
else if (a > 255)
a = 255;
dst[x] = a;
}
dst += stride;
diff += 8;
}
}
}
#endif
void vp9_recon_mby_c(MACROBLOCKD *xd) {
int i;
for (i = 0; i < 16; i += 4) {
BLOCKD *b = &xd->block[i];
vp9_recon4b(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
}
}
void vp9_recon_mb_c(MACROBLOCKD *xd) {
int i;
for (i = 0; i < 16; i += 4) {
BLOCKD *b = &xd->block[i];
vp9_recon4b(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
}
for (i = 16; i < 24; i += 2) {
BLOCKD *b = &xd->block[i];
vp9_recon2b(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
}
}