dde8069e57
We only update partition_probs for inter frames but they are constant for key frames. It is not necessary to have constants inside frame context and copy them every time. This change reduces FRAME_CONTEXT size by at least 48 bytes. Change-Id: If70a53be51043f37fe7d113853217937710932a7
73 lines
2.7 KiB
C
73 lines
2.7 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef VP9_COMMON_VP9_ENTROPYMODE_H_
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#define VP9_COMMON_VP9_ENTROPYMODE_H_
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#include "vp9/common/vp9_blockd.h"
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#include "vp9/common/vp9_treecoder.h"
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#define TX_SIZE_CONTEXTS 2
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#define SWITCHABLE_FILTERS 3 // number of switchable filters
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#define SWITCHABLE_FILTER_CONTEXTS (SWITCHABLE_FILTERS + 1)
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// #define MODE_STATS
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struct VP9Common;
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struct tx_probs {
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vp9_prob p32x32[TX_SIZE_CONTEXTS][TX_SIZES - 1];
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vp9_prob p16x16[TX_SIZE_CONTEXTS][TX_SIZES - 2];
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vp9_prob p8x8[TX_SIZE_CONTEXTS][TX_SIZES - 3];
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};
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struct tx_counts {
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unsigned int p32x32[TX_SIZE_CONTEXTS][TX_SIZES];
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unsigned int p16x16[TX_SIZE_CONTEXTS][TX_SIZES - 1];
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unsigned int p8x8[TX_SIZE_CONTEXTS][TX_SIZES - 2];
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};
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extern const vp9_prob vp9_kf_uv_mode_prob[INTRA_MODES][INTRA_MODES - 1];
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extern const vp9_prob vp9_kf_y_mode_prob[INTRA_MODES][INTRA_MODES]
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[INTRA_MODES - 1];
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extern const vp9_prob vp9_kf_partition_probs[PARTITION_CONTEXTS]
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[PARTITION_TYPES - 1];
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extern const vp9_tree_index vp9_intra_mode_tree[TREE_SIZE(INTRA_MODES)];
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extern struct vp9_token vp9_intra_mode_encodings[INTRA_MODES];
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extern const vp9_tree_index vp9_inter_mode_tree[TREE_SIZE(INTER_MODES)];
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extern struct vp9_token vp9_inter_mode_encodings[INTER_MODES];
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extern const vp9_tree_index vp9_partition_tree[TREE_SIZE(PARTITION_TYPES)];
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extern struct vp9_token vp9_partition_encodings[PARTITION_TYPES];
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extern const vp9_tree_index vp9_switchable_interp_tree
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[TREE_SIZE(SWITCHABLE_FILTERS)];
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extern struct vp9_token vp9_switchable_interp_encodings[SWITCHABLE_FILTERS];
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void vp9_entropy_mode_init();
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void vp9_setup_past_independence(struct VP9Common *cm);
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void vp9_init_mbmode_probs(struct VP9Common *cm);
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void vp9_adapt_mode_probs(struct VP9Common *cm);
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void tx_counts_to_branch_counts_32x32(const unsigned int *tx_count_32x32p,
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unsigned int (*ct_32x32p)[2]);
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void tx_counts_to_branch_counts_16x16(const unsigned int *tx_count_16x16p,
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unsigned int (*ct_16x16p)[2]);
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void tx_counts_to_branch_counts_8x8(const unsigned int *tx_count_8x8p,
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unsigned int (*ct_8x8p)[2]);
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#endif // VP9_COMMON_VP9_ENTROPYMODE_H_
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