vp8/common/entropymode.h

   1 /*
   2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
   3  *
   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
   6  *  tree. An additional intellectual property rights grant can be found
   7  *  in the file PATENTS.  All contributing project authors may
   8  *  be found in the AUTHORS file in the root of the source tree.
   9  */
  10
  11
  12 #ifndef VP8_COMMON_ENTROPYMODE_H_
  13 #define VP8_COMMON_ENTROPYMODE_H_
  14
  15 #include "onyxc_int.h"
  16 #include "treecoder.h"
  17
  18 #ifdef __cplusplus
  19 extern "C" {
  20 #endif
  21
  22 typedef enum
  23 {
  24     SUBMVREF_NORMAL,
  25     SUBMVREF_LEFT_ZED,
  26     SUBMVREF_ABOVE_ZED,
  27     SUBMVREF_LEFT_ABOVE_SAME,
  28     SUBMVREF_LEFT_ABOVE_ZED
  29 } sumvfref_t;
  30
  31 typedef int vp8_mbsplit[16];
  32
  33 #define VP8_NUMMBSPLITS 4
  34
  35 extern const vp8_mbsplit vp8_mbsplits [VP8_NUMMBSPLITS];
  36
  37 extern const int vp8_mbsplit_count [VP8_NUMMBSPLITS];    /* # of subsets */
  38
  39 extern const vp8_prob vp8_mbsplit_probs [VP8_NUMMBSPLITS-1];
  40
  41 extern int vp8_mv_cont(const int_mv *l, const int_mv *a);
  42 #define SUBMVREF_COUNT 5
  43 extern const vp8_prob vp8_sub_mv_ref_prob2 [SUBMVREF_COUNT][VP8_SUBMVREFS-1];
  44
  45
  46 extern const unsigned int vp8_kf_default_bmode_counts [VP8_BINTRAMODES] [VP8_BINTRAMODES] [VP8_BINTRAMODES];
  47
  48
  49 extern const vp8_tree_index vp8_bmode_tree[];
  50
  51 extern const vp8_tree_index  vp8_ymode_tree[];
  52 extern const vp8_tree_index  vp8_kf_ymode_tree[];
  53 extern const vp8_tree_index  vp8_uv_mode_tree[];
  54
  55 extern const vp8_tree_index  vp8_mbsplit_tree[];
  56 extern const vp8_tree_index  vp8_mv_ref_tree[];
  57 extern const vp8_tree_index  vp8_sub_mv_ref_tree[];
  58
  59 extern const struct vp8_token_struct vp8_bmode_encodings[VP8_BINTRAMODES];
  60 extern const struct vp8_token_struct vp8_ymode_encodings[VP8_YMODES];
  61 extern const struct vp8_token_struct vp8_kf_ymode_encodings[VP8_YMODES];
  62 extern const struct vp8_token_struct vp8_uv_mode_encodings[VP8_UV_MODES];
  63 extern const struct vp8_token_struct vp8_mbsplit_encodings[VP8_NUMMBSPLITS];
  64
  65 /* Inter mode values do not start at zero */
  66
  67 extern const struct vp8_token_struct vp8_mv_ref_encoding_array[VP8_MVREFS];
  68 extern const struct vp8_token_struct vp8_sub_mv_ref_encoding_array[VP8_SUBMVREFS];
  69
  70 extern const vp8_tree_index vp8_small_mvtree[];
  71
  72 extern const struct vp8_token_struct vp8_small_mvencodings[8];
  73
  74 /* Key frame default mode probs */
  75 extern const vp8_prob vp8_kf_bmode_prob[VP8_BINTRAMODES][VP8_BINTRAMODES]
  76 [VP8_BINTRAMODES-1];
  77 extern const vp8_prob vp8_kf_uv_mode_prob[VP8_UV_MODES-1];
  78 extern const vp8_prob vp8_kf_ymode_prob[VP8_YMODES-1];
  79
  80 void vp8_init_mbmode_probs(VP8_COMMON *x);
  81 void vp8_default_bmode_probs(vp8_prob dest [VP8_BINTRAMODES-1]);
  82 void vp8_kf_default_bmode_probs(vp8_prob dest [VP8_BINTRAMODES] [VP8_BINTRAMODES] [VP8_BINTRAMODES-1]);
  83
  84 #ifdef __cplusplus
  85 }  // extern "C"
  86 #endif
  87
  88 #endif  // VP8_COMMON_ENTROPYMODE_H_