/src/avm/av2/common/entropymv.h

Source
/*
 * Copyright (c) 2021, Alliance for Open Media. All rights reserved
 *
 * This source code is subject to the terms of the BSD 3-Clause Clear License
 * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear
 * License was not distributed with this source code in the LICENSE file, you
 * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/.  If the
 * Alliance for Open Media Patent License 1.0 was not distributed with this
 * source code in the PATENTS file, you can obtain it at
 * aomedia.org/license/patent-license/.
 */

#ifndef AVM_AV2_COMMON_ENTROPYMV_H_
#define AVM_AV2_COMMON_ENTROPYMV_H_

#include "config/avm_config.h"

#include "avm_dsp/prob.h"

#include "av2/common/mv.h"

#ifdef __cplusplus
extern "C" {
#endif

struct AV2Common;

void av2_init_mv_probs(struct AV2Common *cm);

/* Symbols for coding which components are zero jointly */
#define MV_JOINTS 4
enum {
  MV_JOINT_ZERO = 0,   /* Zero vector */
  MV_JOINT_HNZVZ = 1,  /* Vert zero, hor nonzero */
  MV_JOINT_HZVNZ = 2,  /* Hor zero, vert nonzero */
  MV_JOINT_HNZVNZ = 3, /* Both components nonzero */
} UENUM1BYTE(MV_JOINT_TYPE);

static INLINE int mv_joint_vertical(MV_JOINT_TYPE type) {
  return type == MV_JOINT_HZVNZ || type == MV_JOINT_HNZVNZ;
}

static INLINE int mv_joint_horizontal(MV_JOINT_TYPE type) {
  return type == MV_JOINT_HNZVZ || type == MV_JOINT_HNZVNZ;
}

/* Symbols for coding magnitude class of nonzero components */
enum {
  /* Class specifies the integer pel range */
  MV_CLASS_0 = 0,   /* When AMVD is applied:(0, 1], {2}. Otherwise:(0, 2] */
  MV_CLASS_1 = 1,   /* When AMVD is applied:{4}. Otherwise:(2, 4] */
  MV_CLASS_2 = 2,   /* When AMVD is applied:{8}. Otherwise:(4, 8] */
  MV_CLASS_3 = 3,   /* When AMVD is applied:{16}. Otherwise:(8, 16] */
  MV_CLASS_4 = 4,   /* When AMVD is applied:{32}. Otherwise:(16, 32] */
  MV_CLASS_5 = 5,   /* When AMVD is applied:{64}. Otherwise:(32, 64] */
  MV_CLASS_6 = 6,   /* When AMVD is applied:{128}. Otherwise:(64, 128] */
  MV_CLASS_7 = 7,   /* When AMVD is applied:{256}. Otherwise:(128, 256] */
  MV_CLASS_8 = 8,   /* When AMVD is applied:{512}. Otherwise:(256, 512] */
  MV_CLASS_9 = 9,   /* When AMVD is applied:{1024}. Otherwise:(512, 1024] */
  MV_CLASS_10 = 10, /* When AMVD is applied:{2048}. Otherwise:(1024, 2048] */
  MV_CLASS_11 = 11, /* When AMVD is applied:{2048}. Otherwise:(2048, 4096] */
  MV_CLASS_12 = 12, /* When AMVD is applied:{4096}. Otherwise:(4096, 8192] */
  MV_CLASSES,       /* Maximum MV class */
} UENUM1BYTE(MV_CLASS_TYPE);

#define CLASS0_BITS 1 /* bits at integer precision for class 0 */
#define CLASS0_SIZE (1 << CLASS0_BITS)
#define MV_MAX_BITS (MV_CLASSES + CLASS0_BITS + 2)
#define MV_MAX ((1 << MV_MAX_BITS) - 1)
#define SHELL_INT_OFFSET_BIT (MAX_NUM_SHELL_CLASS - 1)
#define MAX_COL_TRUNCATED_UNARY_VAL 2
#define NUM_CTX_COL_MV_GTX 2
#define NUM_CTX_COL_MV_INDEX 4
#define NUM_CTX_CLASS_OFFSETS 1

typedef struct {
  avm_cdf_prob amvd_indices_cdf[CDF_SIZE(MAX_AMVD_INDEX)];
} nmv_component;

typedef struct {
  /*The joint_shell_set is first decoded. Depending on the shell set index, the
   * joint_shell_class is decoded.*/
  avm_cdf_prob joint_shell_set_cdf[CDF_SIZE(2)];
  avm_cdf_prob joint_shell_class_cdf_0[NUM_MV_PRECISIONS]
                                      [CDF_SIZE(FIRST_SHELL_CLASS)];
  avm_cdf_prob joint_shell_class_cdf_1[NUM_MV_PRECISIONS]
                                      [CDF_SIZE(SECOND_SHELL_CLASS)];

  // Only MV_PRECISION_ONE_EIGHTH_PEL has shell class 15 and class 16.
  // For MV_PRECISION_ONE_EIGHTH_PEL, class 15 and 16 are coded as a
  // single class, then another flag to distinguish them
  avm_cdf_prob joint_shell_last_two_classes_cdf[CDF_SIZE(2)];

  avm_cdf_prob shell_offset_low_class_cdf[2][CDF_SIZE(2)];

  avm_cdf_prob
      shell_offset_class2_cdf[CDF_SIZE(2)];  // First bin for truncated unary

  avm_cdf_prob shell_offset_other_class_cdf[NUM_CTX_CLASS_OFFSETS]
                                           [SHELL_INT_OFFSET_BIT][CDF_SIZE(2)];
  avm_cdf_prob col_mv_greater_flags_cdf[NUM_CTX_COL_MV_GTX][CDF_SIZE(2)];
  avm_cdf_prob col_mv_index_cdf[NUM_CTX_COL_MV_INDEX][CDF_SIZE(2)];
  avm_cdf_prob amvd_joints_cdf[CDF_SIZE(MV_JOINTS)];
  nmv_component comps[2];
} nmv_context;

#ifdef __cplusplus
}  // extern "C"
#endif

#endif  // AVM_AV2_COMMON_ENTROPYMV_H_

Coverage Report

Created: 2026-09-14 06:49

Line	Count	Source
1		/*
2		* Copyright (c) 2021, Alliance for Open Media. All rights reserved
3		*
4		* This source code is subject to the terms of the BSD 3-Clause Clear License
5		* and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear
6		* License was not distributed with this source code in the LICENSE file, you
7		* can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. If the
8		* Alliance for Open Media Patent License 1.0 was not distributed with this
9		* source code in the PATENTS file, you can obtain it at
10		* aomedia.org/license/patent-license/.
11		*/
12
13		#ifndef AVM_AV2_COMMON_ENTROPYMV_H_
14		#define AVM_AV2_COMMON_ENTROPYMV_H_
15
16		#include "config/avm_config.h"
17
18		#include "avm_dsp/prob.h"
19
20		#include "av2/common/mv.h"
21
22		#ifdef __cplusplus
23		extern "C" {
24		#endif
25
26		struct AV2Common;
27
28		void av2_init_mv_probs(struct AV2Common *cm);
29
30		/* Symbols for coding which components are zero jointly */
31		#define MV_JOINTS 4
32		enum {
33		MV_JOINT_ZERO = 0, /* Zero vector */
34		MV_JOINT_HNZVZ = 1, /* Vert zero, hor nonzero */
35		MV_JOINT_HZVNZ = 2, /* Hor zero, vert nonzero */
36		MV_JOINT_HNZVNZ = 3, /* Both components nonzero */
37		} UENUM1BYTE(MV_JOINT_TYPE);
38
39	0	static INLINE int mv_joint_vertical(MV_JOINT_TYPE type) {
40	0	return type == MV_JOINT_HZVNZ \|\| type == MV_JOINT_HNZVNZ;
41	0	} Unexecuted instantiation: av2_dx_iface.c:mv_joint_vertical Unexecuted instantiation: annexF.c:mv_joint_vertical Unexecuted instantiation: decodeframe.c:mv_joint_vertical Unexecuted instantiation: decodemv.c:mv_joint_vertical Unexecuted instantiation: decoder.c:mv_joint_vertical Unexecuted instantiation: decodetxb.c:mv_joint_vertical Unexecuted instantiation: detokenize.c:mv_joint_vertical Unexecuted instantiation: obu_fgm.c:mv_joint_vertical Unexecuted instantiation: obu.c:mv_joint_vertical Unexecuted instantiation: obu_ci.c:mv_joint_vertical Unexecuted instantiation: obu_atlas.c:mv_joint_vertical Unexecuted instantiation: obu_lcr.c:mv_joint_vertical Unexecuted instantiation: obu_ops.c:mv_joint_vertical Unexecuted instantiation: obu_buf.c:mv_joint_vertical Unexecuted instantiation: avm_dsp_rtcd.c:mv_joint_vertical Unexecuted instantiation: av2_rtcd.c:mv_joint_vertical Unexecuted instantiation: blend_a64_hmask.c:mv_joint_vertical Unexecuted instantiation: blend_a64_mask.c:mv_joint_vertical Unexecuted instantiation: blend_a64_vmask.c:mv_joint_vertical Unexecuted instantiation: loopfilter.c:mv_joint_vertical Unexecuted instantiation: binary_codes_reader.c:mv_joint_vertical Unexecuted instantiation: bitreader.c:mv_joint_vertical Unexecuted instantiation: avm_convolve_copy_sse2.c:mv_joint_vertical Unexecuted instantiation: avm_asm_stubs.c:mv_joint_vertical Unexecuted instantiation: highbd_convolve_sse2.c:mv_joint_vertical Unexecuted instantiation: highbd_convolve_ssse3.c:mv_joint_vertical Unexecuted instantiation: blend_a64_hmask_sse4.c:mv_joint_vertical Unexecuted instantiation: blend_a64_mask_sse4.c:mv_joint_vertical Unexecuted instantiation: blend_a64_vmask_sse4.c:mv_joint_vertical Unexecuted instantiation: loopfilter_sse4.c:mv_joint_vertical Unexecuted instantiation: avm_convolve_copy_avx2.c:mv_joint_vertical Unexecuted instantiation: highbd_convolve_avx2.c:mv_joint_vertical Unexecuted instantiation: intrapred_avx2.c:mv_joint_vertical Unexecuted instantiation: blend_a64_mask_avx2.c:mv_joint_vertical Unexecuted instantiation: entdec_avx2.c:mv_joint_vertical Unexecuted instantiation: annexA.c:mv_joint_vertical Unexecuted instantiation: alloccommon.c:mv_joint_vertical Unexecuted instantiation: av2_loopfilter.c:mv_joint_vertical Unexecuted instantiation: av2_txfm.c:mv_joint_vertical Unexecuted instantiation: blockd.c:mv_joint_vertical Unexecuted instantiation: cdef.c:mv_joint_vertical Unexecuted instantiation: gdf.c:mv_joint_vertical Unexecuted instantiation: gdf_block.c:mv_joint_vertical Unexecuted instantiation: cdef_block.c:mv_joint_vertical Unexecuted instantiation: cfl.c:mv_joint_vertical Unexecuted instantiation: convolve.c:mv_joint_vertical Unexecuted instantiation: entropy.c:mv_joint_vertical Unexecuted instantiation: entropymode.c:mv_joint_vertical Unexecuted instantiation: entropymv.c:mv_joint_vertical Unexecuted instantiation: idct.c:mv_joint_vertical Unexecuted instantiation: level.c:mv_joint_vertical Unexecuted instantiation: mvref_common.c:mv_joint_vertical Unexecuted instantiation: pred_common.c:mv_joint_vertical Unexecuted instantiation: quant_common.c:mv_joint_vertical Unexecuted instantiation: reconinter.c:mv_joint_vertical Unexecuted instantiation: reconintra.c:mv_joint_vertical Unexecuted instantiation: restoration.c:mv_joint_vertical Unexecuted instantiation: scale.c:mv_joint_vertical Unexecuted instantiation: scan.c:mv_joint_vertical Unexecuted instantiation: seg_common.c:mv_joint_vertical Unexecuted instantiation: thread_common.c:mv_joint_vertical Unexecuted instantiation: tile_common.c:mv_joint_vertical Unexecuted instantiation: timing.c:mv_joint_vertical Unexecuted instantiation: tip.c:mv_joint_vertical Unexecuted instantiation: txb_common.c:mv_joint_vertical Unexecuted instantiation: warped_motion.c:mv_joint_vertical Unexecuted instantiation: hr_coding.c:mv_joint_vertical Unexecuted instantiation: intra_matrix.c:mv_joint_vertical Unexecuted instantiation: intra_dip.cc:mv_joint_vertical(unsigned char) Unexecuted instantiation: ccso.c:mv_joint_vertical Unexecuted instantiation: bru.c:mv_joint_vertical Unexecuted instantiation: obu_qm.c:mv_joint_vertical Unexecuted instantiation: cdef_block_sse2.c:mv_joint_vertical Unexecuted instantiation: cfl_sse2.c:mv_joint_vertical Unexecuted instantiation: cdef_block_ssse3.c:mv_joint_vertical Unexecuted instantiation: cfl_ssse3.c:mv_joint_vertical Unexecuted instantiation: highbd_convolve_2d_ssse3.c:mv_joint_vertical Unexecuted instantiation: highbd_wiener_convolve_ssse3.c:mv_joint_vertical Unexecuted instantiation: reconinter_ssse3.c:mv_joint_vertical Unexecuted instantiation: cdef_block_sse4.c:mv_joint_vertical Unexecuted instantiation: av2_convolve_horiz_rs_sse4.c:mv_joint_vertical Unexecuted instantiation: av2_convolve_scale_sse4.c:mv_joint_vertical Unexecuted instantiation: highbd_convolve_2d_sse4.c:mv_joint_vertical Unexecuted instantiation: highbd_inv_txfm_sse4.c:mv_joint_vertical Unexecuted instantiation: highbd_jnt_convolve_sse4.c:mv_joint_vertical Unexecuted instantiation: highbd_warp_plane_sse4.c:mv_joint_vertical Unexecuted instantiation: intra_edge_sse4.c:mv_joint_vertical Unexecuted instantiation: optflow_refine_sse4.c:mv_joint_vertical Unexecuted instantiation: reconinter_sse4.c:mv_joint_vertical Unexecuted instantiation: cdef_block_avx2.c:mv_joint_vertical Unexecuted instantiation: affine_optflow_refine_avx2.c:mv_joint_vertical Unexecuted instantiation: bawp_avx2.c:mv_joint_vertical Unexecuted instantiation: cfl_avx2.c:mv_joint_vertical Unexecuted instantiation: highbd_ccso_avx2.c:mv_joint_vertical Unexecuted instantiation: highbd_convolve_2d_avx2.c:mv_joint_vertical Unexecuted instantiation: highbd_inv_txfm_avx2.c:mv_joint_vertical Unexecuted instantiation: highbd_jnt_convolve_avx2.c:mv_joint_vertical Unexecuted instantiation: highbd_wiener_convolve_avx2.c:mv_joint_vertical Unexecuted instantiation: highbd_warp_affine_avx2.c:mv_joint_vertical Unexecuted instantiation: reconinter_avx2.c:mv_joint_vertical Unexecuted instantiation: gdf_block_avx2.c:mv_joint_vertical Unexecuted instantiation: avm_convolve.c:mv_joint_vertical Unexecuted instantiation: intrapred.c:mv_joint_vertical Unexecuted instantiation: sad.c:mv_joint_vertical Unexecuted instantiation: highbd_intrapred_sse2.c:mv_joint_vertical Unexecuted instantiation: av2_inv_txfm2d.c:mv_joint_vertical
42
43	0	static INLINE int mv_joint_horizontal(MV_JOINT_TYPE type) {
44	0	return type == MV_JOINT_HNZVZ \|\| type == MV_JOINT_HNZVNZ;
45	0	} Unexecuted instantiation: av2_dx_iface.c:mv_joint_horizontal Unexecuted instantiation: annexF.c:mv_joint_horizontal Unexecuted instantiation: decodeframe.c:mv_joint_horizontal Unexecuted instantiation: decodemv.c:mv_joint_horizontal Unexecuted instantiation: decoder.c:mv_joint_horizontal Unexecuted instantiation: decodetxb.c:mv_joint_horizontal Unexecuted instantiation: detokenize.c:mv_joint_horizontal Unexecuted instantiation: obu_fgm.c:mv_joint_horizontal Unexecuted instantiation: obu.c:mv_joint_horizontal Unexecuted instantiation: obu_ci.c:mv_joint_horizontal Unexecuted instantiation: obu_atlas.c:mv_joint_horizontal Unexecuted instantiation: obu_lcr.c:mv_joint_horizontal Unexecuted instantiation: obu_ops.c:mv_joint_horizontal Unexecuted instantiation: obu_buf.c:mv_joint_horizontal Unexecuted instantiation: avm_dsp_rtcd.c:mv_joint_horizontal Unexecuted instantiation: av2_rtcd.c:mv_joint_horizontal Unexecuted instantiation: blend_a64_hmask.c:mv_joint_horizontal Unexecuted instantiation: blend_a64_mask.c:mv_joint_horizontal Unexecuted instantiation: blend_a64_vmask.c:mv_joint_horizontal Unexecuted instantiation: loopfilter.c:mv_joint_horizontal Unexecuted instantiation: binary_codes_reader.c:mv_joint_horizontal Unexecuted instantiation: bitreader.c:mv_joint_horizontal Unexecuted instantiation: avm_convolve_copy_sse2.c:mv_joint_horizontal Unexecuted instantiation: avm_asm_stubs.c:mv_joint_horizontal Unexecuted instantiation: highbd_convolve_sse2.c:mv_joint_horizontal Unexecuted instantiation: highbd_convolve_ssse3.c:mv_joint_horizontal Unexecuted instantiation: blend_a64_hmask_sse4.c:mv_joint_horizontal Unexecuted instantiation: blend_a64_mask_sse4.c:mv_joint_horizontal Unexecuted instantiation: blend_a64_vmask_sse4.c:mv_joint_horizontal Unexecuted instantiation: loopfilter_sse4.c:mv_joint_horizontal Unexecuted instantiation: avm_convolve_copy_avx2.c:mv_joint_horizontal Unexecuted instantiation: highbd_convolve_avx2.c:mv_joint_horizontal Unexecuted instantiation: intrapred_avx2.c:mv_joint_horizontal Unexecuted instantiation: blend_a64_mask_avx2.c:mv_joint_horizontal Unexecuted instantiation: entdec_avx2.c:mv_joint_horizontal Unexecuted instantiation: annexA.c:mv_joint_horizontal Unexecuted instantiation: alloccommon.c:mv_joint_horizontal Unexecuted instantiation: av2_loopfilter.c:mv_joint_horizontal Unexecuted instantiation: av2_txfm.c:mv_joint_horizontal Unexecuted instantiation: blockd.c:mv_joint_horizontal Unexecuted instantiation: cdef.c:mv_joint_horizontal Unexecuted instantiation: gdf.c:mv_joint_horizontal Unexecuted instantiation: gdf_block.c:mv_joint_horizontal Unexecuted instantiation: cdef_block.c:mv_joint_horizontal Unexecuted instantiation: cfl.c:mv_joint_horizontal Unexecuted instantiation: convolve.c:mv_joint_horizontal Unexecuted instantiation: entropy.c:mv_joint_horizontal Unexecuted instantiation: entropymode.c:mv_joint_horizontal Unexecuted instantiation: entropymv.c:mv_joint_horizontal Unexecuted instantiation: idct.c:mv_joint_horizontal Unexecuted instantiation: level.c:mv_joint_horizontal Unexecuted instantiation: mvref_common.c:mv_joint_horizontal Unexecuted instantiation: pred_common.c:mv_joint_horizontal Unexecuted instantiation: quant_common.c:mv_joint_horizontal Unexecuted instantiation: reconinter.c:mv_joint_horizontal Unexecuted instantiation: reconintra.c:mv_joint_horizontal Unexecuted instantiation: restoration.c:mv_joint_horizontal Unexecuted instantiation: scale.c:mv_joint_horizontal Unexecuted instantiation: scan.c:mv_joint_horizontal Unexecuted instantiation: seg_common.c:mv_joint_horizontal Unexecuted instantiation: thread_common.c:mv_joint_horizontal Unexecuted instantiation: tile_common.c:mv_joint_horizontal Unexecuted instantiation: timing.c:mv_joint_horizontal Unexecuted instantiation: tip.c:mv_joint_horizontal Unexecuted instantiation: txb_common.c:mv_joint_horizontal Unexecuted instantiation: warped_motion.c:mv_joint_horizontal Unexecuted instantiation: hr_coding.c:mv_joint_horizontal Unexecuted instantiation: intra_matrix.c:mv_joint_horizontal Unexecuted instantiation: intra_dip.cc:mv_joint_horizontal(unsigned char) Unexecuted instantiation: ccso.c:mv_joint_horizontal Unexecuted instantiation: bru.c:mv_joint_horizontal Unexecuted instantiation: obu_qm.c:mv_joint_horizontal Unexecuted instantiation: cdef_block_sse2.c:mv_joint_horizontal Unexecuted instantiation: cfl_sse2.c:mv_joint_horizontal Unexecuted instantiation: cdef_block_ssse3.c:mv_joint_horizontal Unexecuted instantiation: cfl_ssse3.c:mv_joint_horizontal Unexecuted instantiation: highbd_convolve_2d_ssse3.c:mv_joint_horizontal Unexecuted instantiation: highbd_wiener_convolve_ssse3.c:mv_joint_horizontal Unexecuted instantiation: reconinter_ssse3.c:mv_joint_horizontal Unexecuted instantiation: cdef_block_sse4.c:mv_joint_horizontal Unexecuted instantiation: av2_convolve_horiz_rs_sse4.c:mv_joint_horizontal Unexecuted instantiation: av2_convolve_scale_sse4.c:mv_joint_horizontal Unexecuted instantiation: highbd_convolve_2d_sse4.c:mv_joint_horizontal Unexecuted instantiation: highbd_inv_txfm_sse4.c:mv_joint_horizontal Unexecuted instantiation: highbd_jnt_convolve_sse4.c:mv_joint_horizontal Unexecuted instantiation: highbd_warp_plane_sse4.c:mv_joint_horizontal Unexecuted instantiation: intra_edge_sse4.c:mv_joint_horizontal Unexecuted instantiation: optflow_refine_sse4.c:mv_joint_horizontal Unexecuted instantiation: reconinter_sse4.c:mv_joint_horizontal Unexecuted instantiation: cdef_block_avx2.c:mv_joint_horizontal Unexecuted instantiation: affine_optflow_refine_avx2.c:mv_joint_horizontal Unexecuted instantiation: bawp_avx2.c:mv_joint_horizontal Unexecuted instantiation: cfl_avx2.c:mv_joint_horizontal Unexecuted instantiation: highbd_ccso_avx2.c:mv_joint_horizontal Unexecuted instantiation: highbd_convolve_2d_avx2.c:mv_joint_horizontal Unexecuted instantiation: highbd_inv_txfm_avx2.c:mv_joint_horizontal Unexecuted instantiation: highbd_jnt_convolve_avx2.c:mv_joint_horizontal Unexecuted instantiation: highbd_wiener_convolve_avx2.c:mv_joint_horizontal Unexecuted instantiation: highbd_warp_affine_avx2.c:mv_joint_horizontal Unexecuted instantiation: reconinter_avx2.c:mv_joint_horizontal Unexecuted instantiation: gdf_block_avx2.c:mv_joint_horizontal Unexecuted instantiation: avm_convolve.c:mv_joint_horizontal Unexecuted instantiation: intrapred.c:mv_joint_horizontal Unexecuted instantiation: sad.c:mv_joint_horizontal Unexecuted instantiation: highbd_intrapred_sse2.c:mv_joint_horizontal Unexecuted instantiation: av2_inv_txfm2d.c:mv_joint_horizontal
46
47		/* Symbols for coding magnitude class of nonzero components */
48		enum {
49		/* Class specifies the integer pel range */
50		MV_CLASS_0 = 0, /* When AMVD is applied:(0, 1], {2}. Otherwise:(0, 2] */
51		MV_CLASS_1 = 1, /* When AMVD is applied:{4}. Otherwise:(2, 4] */
52		MV_CLASS_2 = 2, /* When AMVD is applied:{8}. Otherwise:(4, 8] */
53		MV_CLASS_3 = 3, /* When AMVD is applied:{16}. Otherwise:(8, 16] */
54		MV_CLASS_4 = 4, /* When AMVD is applied:{32}. Otherwise:(16, 32] */
55		MV_CLASS_5 = 5, /* When AMVD is applied:{64}. Otherwise:(32, 64] */
56		MV_CLASS_6 = 6, /* When AMVD is applied:{128}. Otherwise:(64, 128] */
57		MV_CLASS_7 = 7, /* When AMVD is applied:{256}. Otherwise:(128, 256] */
58		MV_CLASS_8 = 8, /* When AMVD is applied:{512}. Otherwise:(256, 512] */
59		MV_CLASS_9 = 9, /* When AMVD is applied:{1024}. Otherwise:(512, 1024] */
60		MV_CLASS_10 = 10, /* When AMVD is applied:{2048}. Otherwise:(1024, 2048] */
61		MV_CLASS_11 = 11, /* When AMVD is applied:{2048}. Otherwise:(2048, 4096] */
62		MV_CLASS_12 = 12, /* When AMVD is applied:{4096}. Otherwise:(4096, 8192] */
63		MV_CLASSES, /* Maximum MV class */
64		} UENUM1BYTE(MV_CLASS_TYPE);
65
66		#define CLASS0_BITS 1 /* bits at integer precision for class 0 */
67		#define CLASS0_SIZE (1 << CLASS0_BITS)
68		#define MV_MAX_BITS (MV_CLASSES + CLASS0_BITS + 2)
69		#define MV_MAX ((1 << MV_MAX_BITS) - 1)
70		#define SHELL_INT_OFFSET_BIT (MAX_NUM_SHELL_CLASS - 1)
71	1.93k	#define MAX_COL_TRUNCATED_UNARY_VAL 2
72	1.63k	#define NUM_CTX_COL_MV_GTX 2
73	2.34k	#define NUM_CTX_COL_MV_INDEX 4
74	160	#define NUM_CTX_CLASS_OFFSETS 1
75
76		typedef struct {
77		avm_cdf_prob amvd_indices_cdf[CDF_SIZE(MAX_AMVD_INDEX)];
78		} nmv_component;
79
80		typedef struct {
81		/*The joint_shell_set is first decoded. Depending on the shell set index, the
82		* joint_shell_class is decoded.*/
83		avm_cdf_prob joint_shell_set_cdf[CDF_SIZE(2)];
84		avm_cdf_prob joint_shell_class_cdf_0[NUM_MV_PRECISIONS]
85		[CDF_SIZE(FIRST_SHELL_CLASS)];
86		avm_cdf_prob joint_shell_class_cdf_1[NUM_MV_PRECISIONS]
87		[CDF_SIZE(SECOND_SHELL_CLASS)];
88
89		// Only MV_PRECISION_ONE_EIGHTH_PEL has shell class 15 and class 16.
90		// For MV_PRECISION_ONE_EIGHTH_PEL, class 15 and 16 are coded as a
91		// single class, then another flag to distinguish them
92		avm_cdf_prob joint_shell_last_two_classes_cdf[CDF_SIZE(2)];
93
94		avm_cdf_prob shell_offset_low_class_cdf[2][CDF_SIZE(2)];
95
96		avm_cdf_prob
97		shell_offset_class2_cdf[CDF_SIZE(2)]; // First bin for truncated unary
98
99		avm_cdf_prob shell_offset_other_class_cdf[NUM_CTX_CLASS_OFFSETS]
100		[SHELL_INT_OFFSET_BIT][CDF_SIZE(2)];
101		avm_cdf_prob col_mv_greater_flags_cdf[NUM_CTX_COL_MV_GTX][CDF_SIZE(2)];
102		avm_cdf_prob col_mv_index_cdf[NUM_CTX_COL_MV_INDEX][CDF_SIZE(2)];
103		avm_cdf_prob amvd_joints_cdf[CDF_SIZE(MV_JOINTS)];
104		nmv_component comps[2];
105		} nmv_context;
106
107		#ifdef __cplusplus
108		} // extern "C"
109		#endif
110
111		#endif // AVM_AV2_COMMON_ENTROPYMV_H_