289 lines
8.6 KiB
C
289 lines
8.6 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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#if CONFIG_LOSSLESS
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#include "vp9/decoder/vp9_dequantize.h"
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#endif
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void vp9_dequant_idct_add_y_block_4x4_inplace_c(int16_t *q,
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const int16_t *dq,
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uint8_t *dst,
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int stride,
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uint16_t *eobs,
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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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if (*eobs++ > 1) {
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vp9_dequant_idct_add_c(q, dq, dst, dst, stride, stride);
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} else {
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vp9_dc_only_idct_add_c(q[0]*dq[0], dst, dst, stride, stride);
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((int *)q)[0] = 0;
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}
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q += 16;
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dst += 4;
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}
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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_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, uint16_t *eobs) {
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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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if (*eobs++ > 1)
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vp9_dequant_idct_add_c(q, dq, pre, dst, 16, stride);
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else {
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vp9_dc_only_idct_add_c(q[0]*dq[0], pre, dst, 16, stride);
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((int *)q)[0] = 0;
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}
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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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uint16_t *eobs) {
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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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if (*eobs++ > 1)
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vp9_dequant_idct_add_c(q, dq, pre, dstu, 8, stride);
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else {
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vp9_dc_only_idct_add_c(q[0]*dq[0], pre, dstu, 8, stride);
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((int *)q)[0] = 0;
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}
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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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if (*eobs++ > 1)
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vp9_dequant_idct_add_c(q, dq, pre, dstv, 8, stride);
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else {
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vp9_dc_only_idct_add_c(q[0]*dq[0], pre, dstv, 8, stride);
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((int *)q)[0] = 0;
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}
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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_uv_block_4x4_inplace_c(int16_t *q, const int16_t *dq,
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uint8_t *dstu,
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uint8_t *dstv,
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int stride,
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uint16_t *eobs,
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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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if (*eobs++ > 1) {
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xd->itxm_add(q, dq, dstu, dstu, stride, stride);
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} else {
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xd->dc_only_itxm_add(q[0]*dq[0], dstu, dstu, stride, stride);
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((int *)q)[0] = 0;
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}
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q += 16;
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dstu += 4;
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}
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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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if (*eobs++ > 1) {
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xd->itxm_add(q, dq, dstv, dstv, stride, stride);
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} else {
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xd->dc_only_itxm_add(q[0]*dq[0], dstv, dstv, stride, stride);
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((int *)q)[0] = 0;
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}
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q += 16;
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dstv += 4;
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}
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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_inplace_c(int16_t *q,
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const int16_t *dq,
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uint8_t *dst,
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int stride,
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uint16_t *eobs,
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MACROBLOCKD *xd) {
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vp9_dequant_idct_add_8x8_c(q, dq, dst, dst, stride, stride, xd->eobs[0]);
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vp9_dequant_idct_add_8x8_c(&q[64], dq, dst + 8,
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dst + 8, stride, stride, xd->eobs[4]);
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vp9_dequant_idct_add_8x8_c(&q[128], dq, dst + 8 * stride,
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dst + 8 * stride, stride, stride,
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xd->eobs[8]);
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vp9_dequant_idct_add_8x8_c(&q[192], dq, dst + 8 * stride + 8,
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dst + 8 * stride + 8, stride, stride,
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xd->eobs[12]);
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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, uint16_t *eobs,
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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, 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, uint16_t *eobs,
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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_uv_block_8x8_inplace_c(int16_t *q, const int16_t *dq,
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uint8_t *dstu,
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uint8_t *dstv,
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int stride,
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uint16_t *eobs,
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MACROBLOCKD *xd) {
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vp9_dequant_idct_add_8x8_c(q, dq, dstu, dstu, stride, stride,
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xd->eobs[16]);
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q += 64;
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vp9_dequant_idct_add_8x8_c(q, dq, dstv, dstv, stride, stride,
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xd->eobs[20]);
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}
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#if CONFIG_LOSSLESS
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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, uint16_t *eobs) {
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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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if (*eobs++ > 1)
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vp9_dequant_idct_add_lossless_c(q, dq, pre, dst, 16, stride);
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else {
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vp9_dc_only_inv_walsh_add_c(q[0]*dq[0], pre, dst, 16, stride);
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((int *)q)[0] = 0;
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}
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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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uint16_t *eobs) {
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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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if (*eobs++ > 1)
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vp9_dequant_idct_add_lossless_c(q, dq, pre, dstu, 8, stride);
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else {
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vp9_dc_only_inv_walsh_add_c(q[0]*dq[0], pre, dstu, 8, stride);
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((int *)q)[0] = 0;
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}
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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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if (*eobs++ > 1)
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vp9_dequant_idct_add_lossless_c(q, dq, pre, dstv, 8, stride);
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else {
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vp9_dc_only_inv_walsh_add_c(q[0]*dq[0], pre, dstv, 8, stride);
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((int *)q)[0] = 0;
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}
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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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#endif
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