153 lines
4.6 KiB
C
153 lines
4.6 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 "vp9_rtcd.h"
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#include "vp9/common/vp9_blockd.h"
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#include "vp9/decoder/vp9_dequantize.h"
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void vp9_dequant_idct_add_y_block_c(int16_t *q, const int16_t *dq,
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uint8_t *pre,
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uint8_t *dst,
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int stride, MACROBLOCKD *xd) {
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int i, j;
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for (i = 0; i < 4; i++) {
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for (j = 0; j < 4; j++) {
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vp9_dequant_idct_add(q, dq, pre, dst, 16, stride, xd->eobs[i * 4 + j]);
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q += 16;
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pre += 4;
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dst += 4;
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}
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pre += 64 - 16;
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dst += 4 * stride - 16;
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}
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}
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void vp9_dequant_idct_add_uv_block_c(int16_t *q, const int16_t *dq,
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uint8_t *pre, uint8_t *dstu,
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uint8_t *dstv, int stride,
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MACROBLOCKD *xd) {
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int i, j;
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for (i = 0; i < 2; i++) {
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for (j = 0; j < 2; j++) {
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vp9_dequant_idct_add(q, dq, pre, dstu, 8, stride,
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xd->eobs[16 + i * 2 + j]);
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q += 16;
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pre += 4;
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dstu += 4;
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}
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pre += 32 - 8;
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dstu += 4 * stride - 8;
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}
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for (i = 0; i < 2; i++) {
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for (j = 0; j < 2; j++) {
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vp9_dequant_idct_add(q, dq, pre, dstv, 8, stride,
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xd->eobs[20 + i * 2 + j]);
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q += 16;
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pre += 4;
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dstv += 4;
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}
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pre += 32 - 8;
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dstv += 4 * stride - 8;
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}
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}
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void vp9_dequant_idct_add_y_block_8x8_c(int16_t *q, const int16_t *dq,
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uint8_t *pre,
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uint8_t *dst,
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int stride, MACROBLOCKD *xd) {
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uint8_t *origdest = dst;
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uint8_t *origpred = pre;
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vp9_dequant_idct_add_8x8_c(q, dq, pre, dst, 16, stride, xd->eobs[0]);
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vp9_dequant_idct_add_8x8_c(&q[64], dq, origpred + 8,
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origdest + 8, 16, stride, xd->eobs[4]);
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vp9_dequant_idct_add_8x8_c(&q[128], dq, origpred + 8 * 16,
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origdest + 8 * stride, 16, stride,
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xd->eobs[8]);
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vp9_dequant_idct_add_8x8_c(&q[192], dq, origpred + 8 * 16 + 8,
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origdest + 8 * stride + 8, 16, stride,
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xd->eobs[12]);
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}
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void vp9_dequant_idct_add_uv_block_8x8_c(int16_t *q, const int16_t *dq,
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uint8_t *pre,
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uint8_t *dstu,
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uint8_t *dstv,
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int stride, MACROBLOCKD *xd) {
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vp9_dequant_idct_add_8x8_c(q, dq, pre, dstu, 8, stride, xd->eobs[16]);
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q += 64;
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pre += 64;
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vp9_dequant_idct_add_8x8_c(q, dq, pre, dstv, 8, stride, xd->eobs[20]);
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}
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void vp9_dequant_idct_add_y_block_lossless_c(int16_t *q, const int16_t *dq,
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uint8_t *pre,
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uint8_t *dst,
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int stride, MACROBLOCKD *xd) {
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int i, j;
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for (i = 0; i < 4; i++) {
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for (j = 0; j < 4; j++) {
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vp9_dequant_idct_add_lossless_c(q, dq, pre, dst, 16, stride,
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xd->eobs[i * 4 + j]);
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q += 16;
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pre += 4;
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dst += 4;
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}
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pre += 64 - 16;
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dst += 4 * stride - 16;
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}
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}
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void vp9_dequant_idct_add_uv_block_lossless_c(int16_t *q, const int16_t *dq,
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uint8_t *pre,
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uint8_t *dstu,
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uint8_t *dstv,
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int stride,
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MACROBLOCKD *xd) {
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int i, j;
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for (i = 0; i < 2; i++) {
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for (j = 0; j < 2; j++) {
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vp9_dequant_idct_add_lossless_c(q, dq, pre, dstu, 8, stride,
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xd->eobs[16 + i * 2 + j]);
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q += 16;
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pre += 4;
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dstu += 4;
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}
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pre += 32 - 8;
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dstu += 4 * stride - 8;
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}
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for (i = 0; i < 2; i++) {
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for (j = 0; j < 2; j++) {
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vp9_dequant_idct_add_lossless_c(q, dq, pre, dstv, 8, stride,
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xd->eobs[20 + i * 2 + j]);
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q += 16;
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pre += 4;
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dstv += 4;
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}
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pre += 32 - 8;
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dstv += 4 * stride - 8;
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}
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}
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