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Side by Side Diff: source/libvpx/vp9/common/vp9_entropy.c

Issue 756673003: libvpx: Pull from upstream (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/libvpx/
Patch Set: Created 6 years ago
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1 /* 1 /*
2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 2 * Copyright (c) 2010 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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741 MODEL_NODES * sizeof(vp9_prob)); 741 MODEL_NODES * sizeof(vp9_prob));
742 } 742 }
743 743
744 void vp9_model_to_full_probs(const vp9_prob *model, vp9_prob *full) { 744 void vp9_model_to_full_probs(const vp9_prob *model, vp9_prob *full) {
745 if (full != model) 745 if (full != model)
746 vpx_memcpy(full, model, sizeof(vp9_prob) * UNCONSTRAINED_NODES); 746 vpx_memcpy(full, model, sizeof(vp9_prob) * UNCONSTRAINED_NODES);
747 extend_to_full_distribution(&full[UNCONSTRAINED_NODES], model[PIVOT_NODE]); 747 extend_to_full_distribution(&full[UNCONSTRAINED_NODES], model[PIVOT_NODE]);
748 } 748 }
749 749
750 void vp9_default_coef_probs(VP9_COMMON *cm) { 750 void vp9_default_coef_probs(VP9_COMMON *cm) {
751 vp9_copy(cm->fc.coef_probs[TX_4X4], default_coef_probs_4x4); 751 vp9_copy(cm->fc->coef_probs[TX_4X4], default_coef_probs_4x4);
752 vp9_copy(cm->fc.coef_probs[TX_8X8], default_coef_probs_8x8); 752 vp9_copy(cm->fc->coef_probs[TX_8X8], default_coef_probs_8x8);
753 vp9_copy(cm->fc.coef_probs[TX_16X16], default_coef_probs_16x16); 753 vp9_copy(cm->fc->coef_probs[TX_16X16], default_coef_probs_16x16);
754 vp9_copy(cm->fc.coef_probs[TX_32X32], default_coef_probs_32x32); 754 vp9_copy(cm->fc->coef_probs[TX_32X32], default_coef_probs_32x32);
755 } 755 }
756 756
757 #define COEF_COUNT_SAT 24 757 #define COEF_COUNT_SAT 24
758 #define COEF_MAX_UPDATE_FACTOR 112 758 #define COEF_MAX_UPDATE_FACTOR 112
759 #define COEF_COUNT_SAT_KEY 24 759 #define COEF_COUNT_SAT_KEY 24
760 #define COEF_MAX_UPDATE_FACTOR_KEY 112 760 #define COEF_MAX_UPDATE_FACTOR_KEY 112
761 #define COEF_COUNT_SAT_AFTER_KEY 24 761 #define COEF_COUNT_SAT_AFTER_KEY 24
762 #define COEF_MAX_UPDATE_FACTOR_AFTER_KEY 128 762 #define COEF_MAX_UPDATE_FACTOR_AFTER_KEY 128
763 763
764 static void adapt_coef_probs(VP9_COMMON *cm, TX_SIZE tx_size, 764 static void adapt_coef_probs(VP9_COMMON *cm, TX_SIZE tx_size,
765 unsigned int count_sat, 765 unsigned int count_sat,
766 unsigned int update_factor) { 766 unsigned int update_factor) {
767 const FRAME_CONTEXT *pre_fc = &cm->frame_contexts[cm->frame_context_idx]; 767 const FRAME_CONTEXT *pre_fc = &cm->frame_contexts[cm->frame_context_idx];
768 vp9_coeff_probs_model *const probs = cm->fc.coef_probs[tx_size]; 768 vp9_coeff_probs_model *const probs = cm->fc->coef_probs[tx_size];
769 const vp9_coeff_probs_model *const pre_probs = pre_fc->coef_probs[tx_size]; 769 const vp9_coeff_probs_model *const pre_probs = pre_fc->coef_probs[tx_size];
770 vp9_coeff_count_model *counts = cm->counts.coef[tx_size]; 770 vp9_coeff_count_model *counts = cm->counts.coef[tx_size];
771 unsigned int (*eob_counts)[REF_TYPES][COEF_BANDS][COEFF_CONTEXTS] = 771 unsigned int (*eob_counts)[REF_TYPES][COEF_BANDS][COEFF_CONTEXTS] =
772 cm->counts.eob_branch[tx_size]; 772 cm->counts.eob_branch[tx_size];
773 int i, j, k, l, m; 773 int i, j, k, l, m;
774 774
775 for (i = 0; i < PLANE_TYPES; ++i) 775 for (i = 0; i < PLANE_TYPES; ++i)
776 for (j = 0; j < REF_TYPES; ++j) 776 for (j = 0; j < REF_TYPES; ++j)
777 for (k = 0; k < COEF_BANDS; ++k) 777 for (k = 0; k < COEF_BANDS; ++k)
778 for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l) { 778 for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l) {
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802 } else if (cm->last_frame_type == KEY_FRAME) { 802 } else if (cm->last_frame_type == KEY_FRAME) {
803 update_factor = COEF_MAX_UPDATE_FACTOR_AFTER_KEY; /* adapt quickly */ 803 update_factor = COEF_MAX_UPDATE_FACTOR_AFTER_KEY; /* adapt quickly */
804 count_sat = COEF_COUNT_SAT_AFTER_KEY; 804 count_sat = COEF_COUNT_SAT_AFTER_KEY;
805 } else { 805 } else {
806 update_factor = COEF_MAX_UPDATE_FACTOR; 806 update_factor = COEF_MAX_UPDATE_FACTOR;
807 count_sat = COEF_COUNT_SAT; 807 count_sat = COEF_COUNT_SAT;
808 } 808 }
809 for (t = TX_4X4; t <= TX_32X32; t++) 809 for (t = TX_4X4; t <= TX_32X32; t++)
810 adapt_coef_probs(cm, t, count_sat, update_factor); 810 adapt_coef_probs(cm, t, count_sat, update_factor);
811 } 811 }
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