| fbarchard@google.com | 3f46745 | 2012-10-20 01:23:27 +0000 | [diff] [blame^] | 1 | /*
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| 2 | * Copyright 2012 The LibYuv Project Authors. All rights reserved.
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| 3 | *
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| 4 | * Use of this source code is governed by a BSD-style license
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| 5 | * that can be found in the LICENSE file in the root of the source
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| 6 | * tree. An additional intellectual property rights grant can be found
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| 7 | * in the file PATENTS. All contributing project authors may
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| 8 | * be found in the AUTHORS file in the root of the source tree.
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| 9 | */
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| 10 |
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| 11 | #include "libyuv/basic_types.h"
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| 12 |
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| 13 | #ifdef __cplusplus
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| 14 | namespace libyuv {
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| 15 | extern "C" {
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| 16 | #endif
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| 17 |
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| 18 | uint32 SumSquareError_C(const uint8* src_a, const uint8* src_b, int count) {
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| 19 | uint32 sse = 0u;
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| 20 | for (int i = 0; i < count; ++i) {
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| 21 | int diff = src_a[i] - src_b[i];
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| 22 | sse += static_cast<uint32>(diff * diff);
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| 23 | }
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| 24 | return sse;
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| 25 | }
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| 26 |
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| 27 | #ifdef __cplusplus
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| 28 | } // extern "C"
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| 29 | } // namespace libyuv
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| 30 | #endif
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| 31 |
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