1 /*
2 * Copyright (c) 2017 The WebM project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include "./vp8_rtcd.h"
12 #include "vpx_mem/vpx_mem.h"
13
vp8_dequant_idct_add_y_block_mmi(int16_t * q,int16_t * dq,uint8_t * dst,int stride,char * eobs)14 void vp8_dequant_idct_add_y_block_mmi(int16_t *q, int16_t *dq, uint8_t *dst,
15 int stride, char *eobs) {
16 int i, j;
17
18 for (i = 0; i < 4; i++) {
19 for (j = 0; j < 4; j++) {
20 if (*eobs++ > 1) {
21 vp8_dequant_idct_add_mmi(q, dq, dst, stride);
22 } else {
23 vp8_dc_only_idct_add_mmi(q[0] * dq[0], dst, stride, dst, stride);
24 memset(q, 0, 2 * sizeof(q[0]));
25 }
26
27 q += 16;
28 dst += 4;
29 }
30
31 dst += 4 * stride - 16;
32 }
33 }
34
vp8_dequant_idct_add_uv_block_mmi(int16_t * q,int16_t * dq,uint8_t * dst_u,uint8_t * dst_v,int stride,char * eobs)35 void vp8_dequant_idct_add_uv_block_mmi(int16_t *q, int16_t *dq, uint8_t *dst_u,
36 uint8_t *dst_v, int stride, char *eobs) {
37 int i, j;
38
39 for (i = 0; i < 2; i++) {
40 for (j = 0; j < 2; j++) {
41 if (*eobs++ > 1) {
42 vp8_dequant_idct_add_mmi(q, dq, dst_u, stride);
43 } else {
44 vp8_dc_only_idct_add_mmi(q[0] * dq[0], dst_u, stride, dst_u, stride);
45 memset(q, 0, 2 * sizeof(q[0]));
46 }
47
48 q += 16;
49 dst_u += 4;
50 }
51
52 dst_u += 4 * stride - 8;
53 }
54
55 for (i = 0; i < 2; i++) {
56 for (j = 0; j < 2; j++) {
57 if (*eobs++ > 1) {
58 vp8_dequant_idct_add_mmi(q, dq, dst_v, stride);
59 } else {
60 vp8_dc_only_idct_add_mmi(q[0] * dq[0], dst_v, stride, dst_v, stride);
61 memset(q, 0, 2 * sizeof(q[0]));
62 }
63
64 q += 16;
65 dst_v += 4;
66 }
67
68 dst_v += 4 * stride - 8;
69 }
70 }
71