99c4b1eea1
Replace vp9_kf_default_bmode_counts structure with direct default probabilities. The probability structure is smaller and it removes the need to specify in the bitstream how to convert the counts to probabilities. Note that I have concerns still about the size and value of the large intra mode context. This may cause problems for HW but it also means we rely heavily on reverse update as forwards update of a structure this size is problematic. I intend to review this more generally in the next few days to see if we can come up with a competitive solution that does not rely on such a large context. Change-Id: I0a36071079d5d26a57ab0e9fbf91af4199aa7984
96 lines
3.5 KiB
C
96 lines
3.5 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 SUBMVREF_COUNT 5
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extern int vp9_mv_cont(const int_mv *l, const int_mv *a);
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extern const vp9_prob vp9_sub_mv_ref_prob2[SUBMVREF_COUNT][VP9_SUBMVREFS - 1];
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extern const vp9_prob vp9_kf_default_bmode_probs[VP9_KF_BINTRAMODES]
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[VP9_KF_BINTRAMODES]
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[VP9_KF_BINTRAMODES -1 ];
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extern const vp9_tree_index vp9_bmode_tree[];
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extern const vp9_tree_index vp9_kf_bmode_tree[];
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extern const vp9_tree_index vp9_ymode_tree[];
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extern const vp9_tree_index vp9_kf_ymode_tree[];
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extern const vp9_tree_index vp9_uv_mode_tree[];
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#define vp9_sb_ymode_tree vp9_uv_mode_tree
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#define vp9_sb_kf_ymode_tree vp9_uv_mode_tree
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extern const vp9_tree_index vp9_mv_ref_tree[];
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extern const vp9_tree_index vp9_sb_mv_ref_tree[];
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extern const vp9_tree_index vp9_sub_mv_ref_tree[];
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extern struct vp9_token vp9_bmode_encodings[VP9_NKF_BINTRAMODES];
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extern struct vp9_token vp9_kf_bmode_encodings[VP9_KF_BINTRAMODES];
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extern struct vp9_token vp9_ymode_encodings[VP9_YMODES];
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extern struct vp9_token vp9_sb_ymode_encodings[VP9_I32X32_MODES];
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extern struct vp9_token vp9_sb_kf_ymode_encodings[VP9_I32X32_MODES];
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extern struct vp9_token vp9_kf_ymode_encodings[VP9_YMODES];
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extern struct vp9_token vp9_uv_mode_encodings[VP9_UV_MODES];
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/* Inter mode values do not start at zero */
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extern struct vp9_token vp9_mv_ref_encoding_array[VP9_MVREFS];
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extern struct vp9_token vp9_sb_mv_ref_encoding_array[VP9_MVREFS];
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extern struct vp9_token vp9_sub_mv_ref_encoding_array[VP9_SUBMVREFS];
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// probability models for partition information
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extern const vp9_tree_index vp9_partition_tree[];
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extern struct vp9_token vp9_partition_encodings[PARTITION_TYPES];
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void vp9_entropy_mode_init(void);
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struct VP9Common;
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/* sets up common features to forget past dependence */
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void vp9_setup_past_independence(struct VP9Common *cm, MACROBLOCKD *xd);
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void vp9_init_mbmode_probs(struct VP9Common *x);
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extern void vp9_init_mode_contexts(struct VP9Common *pc);
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extern void vp9_adapt_mode_context(struct VP9Common *pc);
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extern void vp9_accum_mv_refs(struct VP9Common *pc,
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MB_PREDICTION_MODE m,
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const int context);
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void vp9_default_bmode_probs(vp9_prob dest[VP9_NKF_BINTRAMODES - 1]);
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void vp9_adapt_mode_probs(struct VP9Common *);
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#define VP9_SWITCHABLE_FILTERS 3 /* number of switchable filters */
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extern const INTERPOLATIONFILTERTYPE vp9_switchable_interp
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[VP9_SWITCHABLE_FILTERS];
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extern const int vp9_switchable_interp_map[SWITCHABLE + 1];
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extern const int vp9_is_interpolating_filter[SWITCHABLE + 1];
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extern const vp9_tree_index vp9_switchable_interp_tree
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[2 * (VP9_SWITCHABLE_FILTERS - 1)];
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extern struct vp9_token vp9_switchable_interp_encodings[VP9_SWITCHABLE_FILTERS];
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extern const vp9_prob vp9_switchable_interp_prob[VP9_SWITCHABLE_FILTERS + 1]
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[VP9_SWITCHABLE_FILTERS - 1];
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#endif // VP9_COMMON_VP9_ENTROPYMODE_H_
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