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| 1 // Copyright 2015 Google Inc. All Rights Reserved. | 1 // Copyright 2015 Google Inc. All Rights Reserved. |
| 2 // | 2 // |
| 3 // Use of this source code is governed by a BSD-style license | 3 // Use of this source code is governed by a BSD-style license |
| 4 // that can be found in the COPYING file in the root of the source | 4 // that can be found in the COPYING file in the root of the source |
| 5 // tree. An additional intellectual property rights grant can be found | 5 // tree. An additional intellectual property rights grant can be found |
| 6 // in the file PATENTS. All contributing project authors may | 6 // in the file PATENTS. All contributing project authors may |
| 7 // be found in the AUTHORS file in the root of the source tree. | 7 // be found in the AUTHORS file in the root of the source tree. |
| 8 // ----------------------------------------------------------------------------- | 8 // ----------------------------------------------------------------------------- |
| 9 // | 9 // |
| 10 // SSE4 version of some encoding functions. | 10 // SSE4 version of some encoding functions. |
| 11 // | 11 // |
| 12 // Author: Skal (pascal.massimino@gmail.com) | 12 // Author: Skal (pascal.massimino@gmail.com) |
| 13 | 13 |
| 14 #include "./dsp.h" | 14 #include "./dsp.h" |
| 15 | 15 |
| 16 #if defined(WEBP_USE_SSE41) | 16 #if defined(WEBP_USE_SSE41) |
| 17 #include <smmintrin.h> | 17 #include <smmintrin.h> |
| 18 #include <stdlib.h> // for abs() | 18 #include <stdlib.h> // for abs() |
| 19 | 19 |
| 20 #include "./common_sse2.h" | 20 #include "./common_sse2.h" |
| 21 #include "../enc/vp8enci.h" | 21 #include "../enc/vp8i_enc.h" |
| 22 | 22 |
| 23 //------------------------------------------------------------------------------ | 23 //------------------------------------------------------------------------------ |
| 24 // Compute susceptibility based on DCT-coeff histograms. | 24 // Compute susceptibility based on DCT-coeff histograms. |
| 25 | 25 |
| 26 static void CollectHistogram(const uint8_t* ref, const uint8_t* pred, | 26 static void CollectHistogram(const uint8_t* ref, const uint8_t* pred, |
| 27 int start_block, int end_block, | 27 int start_block, int end_block, |
| 28 VP8Histogram* const histo) { | 28 VP8Histogram* const histo) { |
| 29 const __m128i max_coeff_thresh = _mm_set1_epi16(MAX_COEFF_THRESH); | 29 const __m128i max_coeff_thresh = _mm_set1_epi16(MAX_COEFF_THRESH); |
| 30 int j; | 30 int j; |
| 31 int distribution[MAX_COEFF_THRESH + 1] = { 0 }; | 31 int distribution[MAX_COEFF_THRESH + 1] = { 0 }; |
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| 330 VP8EncQuantizeBlockWHT = QuantizeBlockWHT; | 330 VP8EncQuantizeBlockWHT = QuantizeBlockWHT; |
| 331 VP8TDisto4x4 = Disto4x4; | 331 VP8TDisto4x4 = Disto4x4; |
| 332 VP8TDisto16x16 = Disto16x16; | 332 VP8TDisto16x16 = Disto16x16; |
| 333 } | 333 } |
| 334 | 334 |
| 335 #else // !WEBP_USE_SSE41 | 335 #else // !WEBP_USE_SSE41 |
| 336 | 336 |
| 337 WEBP_DSP_INIT_STUB(VP8EncDspInitSSE41) | 337 WEBP_DSP_INIT_STUB(VP8EncDspInitSSE41) |
| 338 | 338 |
| 339 #endif // WEBP_USE_SSE41 | 339 #endif // WEBP_USE_SSE41 |
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