6f43ff5824
Use in-place buffers (dst of MACROBLOCKD) for macroblock prediction. This makes the macroblock buffer handling consistent with those of superblock. Remove predictor buffer MACROBLOCKD. Change-Id: Id1bcd898961097b1e6230c10f0130753a59fc6df
118 lines
3.3 KiB
C
118 lines
3.3 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "./vpx_config.h"
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#include "vp9_rtcd.h"
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#include "vp9/common/vp9_blockd.h"
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static INLINE void recon(int rows, int cols,
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const uint8_t *pred_ptr, int pred_stride,
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const int16_t *diff_ptr, int diff_stride,
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uint8_t *dst_ptr, int dst_stride) {
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int r, c;
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for (r = 0; r < rows; r++) {
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for (c = 0; c < cols; c++)
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dst_ptr[c] = clip_pixel(diff_ptr[c] + pred_ptr[c]);
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dst_ptr += dst_stride;
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diff_ptr += diff_stride;
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pred_ptr += pred_stride;
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}
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}
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void vp9_recon_b_c(uint8_t *pred_ptr, int16_t *diff_ptr, uint8_t *dst_ptr,
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int stride) {
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recon(4, 4, pred_ptr, stride, diff_ptr, 16, dst_ptr, stride);
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}
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void vp9_recon_uv_b_c(uint8_t *pred_ptr, int16_t *diff_ptr, uint8_t *dst_ptr,
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int stride) {
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recon(4, 4, pred_ptr, stride, diff_ptr, 8, dst_ptr, stride);
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}
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void vp9_recon4b_c(uint8_t *pred_ptr, int16_t *diff_ptr, uint8_t *dst_ptr,
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int stride) {
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recon(4, 16, pred_ptr, stride, diff_ptr, 16, dst_ptr, stride);
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}
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void vp9_recon2b_c(uint8_t *pred_ptr, int16_t *diff_ptr, uint8_t *dst_ptr,
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int stride) {
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recon(4, 8, pred_ptr, stride, diff_ptr, 8, dst_ptr, stride);
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}
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void vp9_recon_sby_s_c(MACROBLOCKD *mb, uint8_t *dst,
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BLOCK_SIZE_TYPE bsize) {
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const int bw = 16 << mb_width_log2(bsize), bh = 16 << mb_height_log2(bsize);
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int x, y;
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const int stride = mb->block[0].dst_stride;
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const int16_t *diff = mb->diff;
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for (y = 0; y < bh; y++) {
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for (x = 0; x < bw; x++)
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dst[x] = clip_pixel(dst[x] + diff[x]);
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dst += stride;
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diff += bw;
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}
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}
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void vp9_recon_sbuv_s_c(MACROBLOCKD *mb, uint8_t *u_dst, uint8_t *v_dst,
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BLOCK_SIZE_TYPE bsize) {
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const int bwl = mb_width_log2(bsize), bhl = mb_height_log2(bsize);
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const int uoff = (16 * 16) << (bwl + bhl), voff = (uoff * 5) >> 2;
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const int bw = 8 << bwl, bh = 8 << bhl;
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int x, y;
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const int stride = mb->block[16].dst_stride;
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const int16_t *u_diff = mb->diff + uoff;
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const int16_t *v_diff = mb->diff + voff;
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for (y = 0; y < bh; y++) {
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for (x = 0; x < bw; x++) {
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u_dst[x] = clip_pixel(u_dst[x] + u_diff[x]);
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v_dst[x] = clip_pixel(v_dst[x] + v_diff[x]);
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}
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u_dst += stride;
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v_dst += stride;
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u_diff += bw;
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v_diff += bw;
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}
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}
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void vp9_recon_mby_c(MACROBLOCKD *xd) {
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int i;
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for (i = 0; i < 16; i += 4) {
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BLOCKD *b = &xd->block[i];
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vp9_recon4b(*(b->base_dst) + b->dst, b->diff,
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*(b->base_dst) + b->dst, b->dst_stride);
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}
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}
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void vp9_recon_mb_c(MACROBLOCKD *xd) {
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int i;
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for (i = 0; i < 16; i += 4) {
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BLOCKD *b = &xd->block[i];
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vp9_recon4b(*(b->base_dst) + b->dst, b->diff,
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*(b->base_dst) + b->dst, b->dst_stride);
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}
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for (i = 16; i < 24; i += 2) {
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BLOCKD *b = &xd->block[i];
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vp9_recon2b(*(b->base_dst) + b->dst, b->diff,
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*(b->base_dst) + b->dst, b->dst_stride);
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}
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}
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