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,int8_t * eobs)14 void vp8_dequant_idct_add_y_block_mmi(int16_t *q, int16_t *dq, uint8_t *dst,
15 int stride, int8_t *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 * dstu,uint8_t * dstv,int stride,int8_t * eobs)35 void vp8_dequant_idct_add_uv_block_mmi(int16_t *q, int16_t *dq, uint8_t *dstu,
36 uint8_t *dstv, int stride,
37 int8_t *eobs) {
38 int i, j;
39
40 for (i = 0; i < 2; i++) {
41 for (j = 0; j < 2; j++) {
42 if (*eobs++ > 1) {
43 vp8_dequant_idct_add_mmi(q, dq, dstu, stride);
44 } else {
45 vp8_dc_only_idct_add_mmi(q[0] * dq[0], dstu, stride, dstu, stride);
46 memset(q, 0, 2 * sizeof(q[0]));
47 }
48
49 q += 16;
50 dstu += 4;
51 }
52
53 dstu += 4 * stride - 8;
54 }
55
56 for (i = 0; i < 2; i++) {
57 for (j = 0; j < 2; j++) {
58 if (*eobs++ > 1) {
59 vp8_dequant_idct_add_mmi(q, dq, dstv, stride);
60 } else {
61 vp8_dc_only_idct_add_mmi(q[0] * dq[0], dstv, stride, dstv, stride);
62 memset(q, 0, 2 * sizeof(q[0]));
63 }
64
65 q += 16;
66 dstv += 4;
67 }
68
69 dstv += 4 * stride - 8;
70 }
71 }
72