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1 // Copyright 2011 Google Inc. All Rights Reserved. | 1 // Copyright 2011 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 // Coding of token probabilities, intra modes and segments. | 10 // Coding of token probabilities, intra modes and segments. |
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147 { 42, 80, 160, 240, 162, 185, 255, 205, 128, 128, 128 } | 147 { 42, 80, 160, 240, 162, 185, 255, 205, 128, 128, 128 } |
148 }, | 148 }, |
149 { { 1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, | 149 { { 1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, |
150 { 244, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, | 150 { 244, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, |
151 { 238, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 } | 151 { 238, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 } |
152 } | 152 } |
153 } | 153 } |
154 }; | 154 }; |
155 | 155 |
156 void VP8DefaultProbas(VP8Encoder* const enc) { | 156 void VP8DefaultProbas(VP8Encoder* const enc) { |
157 VP8Proba* const probas = &enc->proba_; | 157 VP8EncProba* const probas = &enc->proba_; |
158 probas->use_skip_proba_ = 0; | 158 probas->use_skip_proba_ = 0; |
159 memset(probas->segments_, 255u, sizeof(probas->segments_)); | 159 memset(probas->segments_, 255u, sizeof(probas->segments_)); |
160 memcpy(probas->coeffs_, VP8CoeffsProba0, sizeof(VP8CoeffsProba0)); | 160 memcpy(probas->coeffs_, VP8CoeffsProba0, sizeof(VP8CoeffsProba0)); |
161 // Note: we could hard-code the level_costs_ corresponding to VP8CoeffsProba0, | 161 // Note: we could hard-code the level_costs_ corresponding to VP8CoeffsProba0, |
162 // but that's ~11k of static data. Better call VP8CalculateLevelCosts() later. | 162 // but that's ~11k of static data. Better call VP8CalculateLevelCosts() later. |
163 probas->dirty_ = 1; | 163 probas->dirty_ = 1; |
164 } | 164 } |
165 | 165 |
166 // Paragraph 11.5. 900bytes. | 166 // Paragraph 11.5. 900bytes. |
167 static const uint8_t kBModesProba[NUM_BMODES][NUM_BMODES][NUM_BMODES - 1] = { | 167 static const uint8_t kBModesProba[NUM_BMODES][NUM_BMODES][NUM_BMODES - 1] = { |
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475 { 250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, | 475 { 250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
476 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } | 476 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } |
477 }, | 477 }, |
478 { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, | 478 { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
479 { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, | 479 { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
480 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } | 480 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } |
481 } | 481 } |
482 } | 482 } |
483 }; | 483 }; |
484 | 484 |
485 void VP8WriteProbas(VP8BitWriter* const bw, const VP8Proba* const probas) { | 485 void VP8WriteProbas(VP8BitWriter* const bw, const VP8EncProba* const probas) { |
486 int t, b, c, p; | 486 int t, b, c, p; |
487 for (t = 0; t < NUM_TYPES; ++t) { | 487 for (t = 0; t < NUM_TYPES; ++t) { |
488 for (b = 0; b < NUM_BANDS; ++b) { | 488 for (b = 0; b < NUM_BANDS; ++b) { |
489 for (c = 0; c < NUM_CTX; ++c) { | 489 for (c = 0; c < NUM_CTX; ++c) { |
490 for (p = 0; p < NUM_PROBAS; ++p) { | 490 for (p = 0; p < NUM_PROBAS; ++p) { |
491 const uint8_t p0 = probas->coeffs_[t][b][c][p]; | 491 const uint8_t p0 = probas->coeffs_[t][b][c][p]; |
492 const int update = (p0 != VP8CoeffsProba0[t][b][c][p]); | 492 const int update = (p0 != VP8CoeffsProba0[t][b][c][p]); |
493 if (VP8PutBit(bw, update, VP8CoeffsUpdateProba[t][b][c][p])) { | 493 if (VP8PutBit(bw, update, VP8CoeffsUpdateProba[t][b][c][p])) { |
494 VP8PutValue(bw, p0, 8); | 494 VP8PutBits(bw, p0, 8); |
495 } | 495 } |
496 } | 496 } |
497 } | 497 } |
498 } | 498 } |
499 } | 499 } |
500 if (VP8PutBitUniform(bw, probas->use_skip_proba_)) { | 500 if (VP8PutBitUniform(bw, probas->use_skip_proba_)) { |
501 VP8PutValue(bw, probas->skip_proba_, 8); | 501 VP8PutBits(bw, probas->skip_proba_, 8); |
502 } | 502 } |
503 } | 503 } |
504 | 504 |
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