| /* |
| * 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_ports/config.h" |
| #include "vp9_rtcd.h" |
| #include "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); |
| } |
| } |