entropymode.h 2.64 KB
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/*
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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
 *  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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 */


#ifndef __INC_ENTROPYMODE_H
#define __INC_ENTROPYMODE_H

#include "onyxc_int.h"
#include "treecoder.h"

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typedef enum
{
    SUBMVREF_NORMAL,
    SUBMVREF_LEFT_ZED,
    SUBMVREF_ABOVE_ZED,
    SUBMVREF_LEFT_ABOVE_SAME,
    SUBMVREF_LEFT_ABOVE_ZED
} sumvfref_t;

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typedef int vp8_mbsplit[16];
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#define VP8_NUMMBSPLITS 4

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extern const vp8_mbsplit vp8_mbsplits [VP8_NUMMBSPLITS];
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extern const int vp8_mbsplit_count [VP8_NUMMBSPLITS];    /* # of subsets */

extern const vp8_prob vp8_mbsplit_probs [VP8_NUMMBSPLITS-1];

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extern int vp8_mv_cont(const int_mv *l, const int_mv *a);
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#define SUBMVREF_COUNT 5
extern const vp8_prob vp8_sub_mv_ref_prob2 [SUBMVREF_COUNT][VP8_SUBMVREFS-1];


extern const unsigned int vp8_kf_default_bmode_counts [VP8_BINTRAMODES] [VP8_BINTRAMODES] [VP8_BINTRAMODES];


extern const vp8_tree_index vp8_bmode_tree[];

extern const vp8_tree_index  vp8_ymode_tree[];
extern const vp8_tree_index  vp8_kf_ymode_tree[];
extern const vp8_tree_index  vp8_uv_mode_tree[];

extern const vp8_tree_index  vp8_mbsplit_tree[];
extern const vp8_tree_index  vp8_mv_ref_tree[];
extern const vp8_tree_index  vp8_sub_mv_ref_tree[];

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extern const struct vp8_token_struct vp8_bmode_encodings[VP8_BINTRAMODES];
extern const struct vp8_token_struct vp8_ymode_encodings[VP8_YMODES];
extern const struct vp8_token_struct vp8_kf_ymode_encodings[VP8_YMODES];
extern const struct vp8_token_struct vp8_uv_mode_encodings[VP8_UV_MODES];
extern const struct vp8_token_struct vp8_mbsplit_encodings[VP8_NUMMBSPLITS];
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/* Inter mode values do not start at zero */

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extern const struct vp8_token_struct vp8_mv_ref_encoding_array[VP8_MVREFS];
extern const struct vp8_token_struct vp8_sub_mv_ref_encoding_array[VP8_SUBMVREFS];
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extern const vp8_tree_index vp8_small_mvtree[];

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extern const struct vp8_token_struct vp8_small_mvencodings[8];
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/* Key frame default mode probs */
extern const vp8_prob vp8_kf_bmode_prob[VP8_BINTRAMODES][VP8_BINTRAMODES]
[VP8_BINTRAMODES-1];
extern const vp8_prob vp8_kf_uv_mode_prob[VP8_UV_MODES-1];
extern const vp8_prob vp8_kf_ymode_prob[VP8_YMODES-1];

void vp8_init_mbmode_probs(VP8_COMMON *x);
void vp8_default_bmode_probs(vp8_prob dest [VP8_BINTRAMODES-1]);
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void vp8_kf_default_bmode_probs(vp8_prob dest [VP8_BINTRAMODES] [VP8_BINTRAMODES] [VP8_BINTRAMODES-1]);

#endif