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Side by Side Diff: source/libvpx/test/md5_helper.h

Issue 554673004: libvpx: Pull from upstream (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/libvpx/
Patch Set: Created 6 years, 3 months ago
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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 bytes_per_sample =
32 (img->fmt & VPX_IMG_FMT_HIGHBITDEPTH) ? 2 : 1;
32 const int h = plane ? (img->d_h + img->y_chroma_shift) >> 33 const int h = plane ? (img->d_h + img->y_chroma_shift) >>
33 img->y_chroma_shift : img->d_h; 34 img->y_chroma_shift : img->d_h;
34 const int w = (plane ? (img->d_w + img->x_chroma_shift) >> 35 const int w = (plane ? (img->d_w + img->x_chroma_shift) >>
35 img->x_chroma_shift : img->d_w) * bytes_per_sample; 36 img->x_chroma_shift : img->d_w) * bytes_per_sample;
36 37
37 for (int y = 0; y < h; ++y) { 38 for (int y = 0; y < h; ++y) {
38 MD5Update(&md5_, buf, w); 39 MD5Update(&md5_, buf, w);
39 buf += img->stride[plane]; 40 buf += img->stride[plane];
40 } 41 }
41 } 42 }
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60 } 61 }
61 62
62 protected: 63 protected:
63 char res_[33]; 64 char res_[33];
64 MD5Context md5_; 65 MD5Context md5_;
65 }; 66 };
66 67
67 } // namespace libvpx_test 68 } // namespace libvpx_test
68 69
69 #endif // TEST_MD5_HELPER_H_ 70 #endif // TEST_MD5_HELPER_H_
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