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1 /* | 1 /* |
2 * Copyright (c) 2012 The WebM project authors. All Rights Reserved. | 2 * Copyright (c) 2012 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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21 MD5Init(&md5_); | 21 MD5Init(&md5_); |
22 } | 22 } |
23 | 23 |
24 void Add(const vpx_image_t *img) { | 24 void Add(const vpx_image_t *img) { |
25 for (int plane = 0; plane < 3; ++plane) { | 25 for (int plane = 0; plane < 3; ++plane) { |
26 const uint8_t *buf = img->planes[plane]; | 26 const uint8_t *buf = img->planes[plane]; |
27 // Calculate the width and height to do the md5 check. For the chroma | 27 // Calculate the width and height to do the md5 check. For the chroma |
28 // plane, we never want to round down and thus skip a pixel so if | 28 // plane, we never want to round down and thus skip a pixel so if |
29 // we are shifting by 1 (chroma_shift) we add 1 before doing the shift. | 29 // we are shifting by 1 (chroma_shift) we add 1 before doing the shift. |
30 // This works only for chroma_shift of 0 and 1. | 30 // This works only for chroma_shift of 0 and 1. |
| 31 const int bytes_per_sample = (img->fmt & VPX_IMG_FMT_HIGH) ? 2 : 1; |
31 const int h = plane ? (img->d_h + img->y_chroma_shift) >> | 32 const int h = plane ? (img->d_h + img->y_chroma_shift) >> |
32 img->y_chroma_shift : img->d_h; | 33 img->y_chroma_shift : img->d_h; |
33 const int w = plane ? (img->d_w + img->x_chroma_shift) >> | 34 const int w = (plane ? (img->d_w + img->x_chroma_shift) >> |
34 img->x_chroma_shift : img->d_w; | 35 img->x_chroma_shift : img->d_w) * bytes_per_sample; |
35 | 36 |
36 for (int y = 0; y < h; ++y) { | 37 for (int y = 0; y < h; ++y) { |
37 MD5Update(&md5_, buf, w); | 38 MD5Update(&md5_, buf, w); |
38 buf += img->stride[plane]; | 39 buf += img->stride[plane]; |
39 } | 40 } |
40 } | 41 } |
41 } | 42 } |
42 | 43 |
43 const char *Get(void) { | 44 const char *Get(void) { |
44 static const char hex[16] = { | 45 static const char hex[16] = { |
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59 } | 60 } |
60 | 61 |
61 protected: | 62 protected: |
62 char res_[33]; | 63 char res_[33]; |
63 MD5Context md5_; | 64 MD5Context md5_; |
64 }; | 65 }; |
65 | 66 |
66 } // namespace libvpx_test | 67 } // namespace libvpx_test |
67 | 68 |
68 #endif // TEST_MD5_HELPER_H_ | 69 #endif // TEST_MD5_HELPER_H_ |
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