6189f2bcb1
This patch will use the dest buffer instead of the predictor buffer. This will allow us in future commits to remove the extra mem copy that occurs in the dequant functions when eob == 0. We should also be able to remove extra params that are passed into the dequant functions. Change-Id: I7241bc1ab797a430418b1f3a95b5476db7455f6a
115 lines
3.8 KiB
C
115 lines
3.8 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 "vp9_rtcd.h"
|
|
#include "vp9/common/vp9_blockd.h"
|
|
#include "vp9/decoder/vp9_dequantize.h"
|
|
|
|
void vp9_dequant_idct_add_y_block_c(int16_t *q, const int16_t *dq,
|
|
uint8_t *pre, int pre_stride,
|
|
uint8_t *dst,
|
|
int stride, MACROBLOCKD *xd) {
|
|
int i, j;
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
for (j = 0; j < 4; j++) {
|
|
vp9_dequant_idct_add(q, dq, pre, dst, pre_stride, stride,
|
|
xd->plane[0].eobs[i * 4 + j]);
|
|
q += 16;
|
|
pre += 4;
|
|
dst += 4;
|
|
}
|
|
|
|
pre += 4 * pre_stride - 16;
|
|
dst += 4 * stride - 16;
|
|
}
|
|
}
|
|
|
|
void vp9_dequant_idct_add_uv_block_c(int16_t *q, const int16_t *dq,
|
|
uint8_t *pre, int pre_stride, uint8_t *dst,
|
|
int stride, uint16_t *eobs) {
|
|
int i, j;
|
|
|
|
for (i = 0; i < 2; i++) {
|
|
for (j = 0; j < 2; j++) {
|
|
vp9_dequant_idct_add(q, dq, pre, dst, pre_stride, stride,
|
|
eobs[i * 2 + j]);
|
|
q += 16;
|
|
pre += 4;
|
|
dst += 4;
|
|
}
|
|
|
|
pre += 4 * pre_stride - 8;
|
|
dst += 4 * stride - 8;
|
|
}
|
|
}
|
|
|
|
void vp9_dequant_idct_add_y_block_8x8_c(int16_t *q, const int16_t *dq,
|
|
uint8_t *pre, int pre_stride,
|
|
uint8_t *dst,
|
|
int stride, MACROBLOCKD *xd) {
|
|
uint8_t *origdest = dst;
|
|
uint8_t *origpred = pre;
|
|
|
|
vp9_dequant_idct_add_8x8_c(q, dq, pre, dst, pre_stride, stride,
|
|
xd->plane[0].eobs[0]);
|
|
vp9_dequant_idct_add_8x8_c(&q[64], dq, origpred + 8,
|
|
origdest + 8, pre_stride, stride,
|
|
xd->plane[0].eobs[4]);
|
|
vp9_dequant_idct_add_8x8_c(&q[128], dq, origpred + 8 * pre_stride,
|
|
origdest + 8 * stride, pre_stride, stride,
|
|
xd->plane[0].eobs[8]);
|
|
vp9_dequant_idct_add_8x8_c(&q[192], dq, origpred + 8 * pre_stride + 8,
|
|
origdest + 8 * stride + 8, pre_stride, stride,
|
|
xd->plane[0].eobs[12]);
|
|
}
|
|
|
|
void vp9_dequant_idct_add_y_block_lossless_c(int16_t *q, const int16_t *dq,
|
|
uint8_t *pre, int pre_stride,
|
|
uint8_t *dst,
|
|
int stride, MACROBLOCKD *xd) {
|
|
int i, j;
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
for (j = 0; j < 4; j++) {
|
|
vp9_dequant_idct_add_lossless_c(q, dq, pre, dst, pre_stride, stride,
|
|
xd->plane[0].eobs[i * 4 + j]);
|
|
q += 16;
|
|
pre += 4;
|
|
dst += 4;
|
|
}
|
|
|
|
pre += 4 * pre_stride - 16;
|
|
dst += 4 * stride - 16;
|
|
}
|
|
}
|
|
|
|
void vp9_dequant_idct_add_uv_block_lossless_c(int16_t *q, const int16_t *dq,
|
|
uint8_t *pre, int pre_stride,
|
|
uint8_t *dst,
|
|
int stride,
|
|
uint16_t *eobs) {
|
|
int i, j;
|
|
|
|
for (i = 0; i < 2; i++) {
|
|
for (j = 0; j < 2; j++) {
|
|
vp9_dequant_idct_add_lossless_c(q, dq, pre, dst, pre_stride, stride,
|
|
eobs[i * 2 + j]);
|
|
q += 16;
|
|
pre += 4;
|
|
dst += 4;
|
|
}
|
|
|
|
pre += 4 * pre_stride - 8;
|
|
dst += 4 * stride - 8;
|
|
}
|
|
}
|
|
|