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Side by Side Diff: source/libvpx/vp8/common/idct_blk.c

Issue 1124333011: libvpx: Pull from upstream (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libvpx.git@master
Patch Set: only update to last nights LKGR Created 5 years, 7 months ago
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1 /* 1 /*
2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license 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 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 6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may 7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree. 8 * be found in the AUTHORS file in the root of the source tree.
9 */ 9 */
10 10
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26 26
27 for (i = 0; i < 4; i++) 27 for (i = 0; i < 4; i++)
28 { 28 {
29 for (j = 0; j < 4; j++) 29 for (j = 0; j < 4; j++)
30 { 30 {
31 if (*eobs++ > 1) 31 if (*eobs++ > 1)
32 vp8_dequant_idct_add_c (q, dq, dst, stride); 32 vp8_dequant_idct_add_c (q, dq, dst, stride);
33 else 33 else
34 { 34 {
35 vp8_dc_only_idct_add_c (q[0]*dq[0], dst, stride, dst, stride); 35 vp8_dc_only_idct_add_c (q[0]*dq[0], dst, stride, dst, stride);
36 vpx_memset(q, 0, 2 * sizeof(q[0])); 36 memset(q, 0, 2 * sizeof(q[0]));
37 } 37 }
38 38
39 q += 16; 39 q += 16;
40 dst += 4; 40 dst += 4;
41 } 41 }
42 42
43 dst += 4*stride - 16; 43 dst += 4*stride - 16;
44 } 44 }
45 } 45 }
46 46
47 void vp8_dequant_idct_add_uv_block_c 47 void vp8_dequant_idct_add_uv_block_c
48 (short *q, short *dq, 48 (short *q, short *dq,
49 unsigned char *dstu, unsigned char *dstv, int stride, char *eobs) 49 unsigned char *dstu, unsigned char *dstv, int stride, char *eobs)
50 { 50 {
51 int i, j; 51 int i, j;
52 52
53 for (i = 0; i < 2; i++) 53 for (i = 0; i < 2; i++)
54 { 54 {
55 for (j = 0; j < 2; j++) 55 for (j = 0; j < 2; j++)
56 { 56 {
57 if (*eobs++ > 1) 57 if (*eobs++ > 1)
58 vp8_dequant_idct_add_c (q, dq, dstu, stride); 58 vp8_dequant_idct_add_c (q, dq, dstu, stride);
59 else 59 else
60 { 60 {
61 vp8_dc_only_idct_add_c (q[0]*dq[0], dstu, stride, dstu, stride); 61 vp8_dc_only_idct_add_c (q[0]*dq[0], dstu, stride, dstu, stride);
62 vpx_memset(q, 0, 2 * sizeof(q[0])); 62 memset(q, 0, 2 * sizeof(q[0]));
63 } 63 }
64 64
65 q += 16; 65 q += 16;
66 dstu += 4; 66 dstu += 4;
67 } 67 }
68 68
69 dstu += 4*stride - 8; 69 dstu += 4*stride - 8;
70 } 70 }
71 71
72 for (i = 0; i < 2; i++) 72 for (i = 0; i < 2; i++)
73 { 73 {
74 for (j = 0; j < 2; j++) 74 for (j = 0; j < 2; j++)
75 { 75 {
76 if (*eobs++ > 1) 76 if (*eobs++ > 1)
77 vp8_dequant_idct_add_c (q, dq, dstv, stride); 77 vp8_dequant_idct_add_c (q, dq, dstv, stride);
78 else 78 else
79 { 79 {
80 vp8_dc_only_idct_add_c (q[0]*dq[0], dstv, stride, dstv, stride); 80 vp8_dc_only_idct_add_c (q[0]*dq[0], dstv, stride, dstv, stride);
81 vpx_memset(q, 0, 2 * sizeof(q[0])); 81 memset(q, 0, 2 * sizeof(q[0]));
82 } 82 }
83 83
84 q += 16; 84 q += 16;
85 dstv += 4; 85 dstv += 4;
86 } 86 }
87 87
88 dstv += 4*stride - 8; 88 dstv += 4*stride - 8;
89 } 89 }
90 } 90 }
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