/src/aom/av1/encoder/encodemv.h

Source (jump to first uncovered line)
/*
 * Copyright (c) 2016, Alliance for Open Media. All rights reserved.
 *
 * This source code is subject to the terms of the BSD 2 Clause License and
 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
 * was not distributed with this source code in the LICENSE file, you can
 * obtain it at www.aomedia.org/license/software. 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 www.aomedia.org/license/patent.
 */

#ifndef AOM_AV1_ENCODER_ENCODEMV_H_
#define AOM_AV1_ENCODER_ENCODEMV_H_

#include "av1/encoder/encoder.h"

#ifdef __cplusplus
extern "C" {
#endif

void av1_encode_mv(AV1_COMP *cpi, aom_writer *w, ThreadData *td, const MV *mv,
                   const MV *ref, nmv_context *mvctx, int usehp);

void av1_update_mv_stats(const MV *mv, const MV *ref, nmv_context *mvctx,
                         MvSubpelPrecision precision);

void av1_build_nmv_cost_table(int *mvjoint, int *mvcost[2],
                              const nmv_context *mvctx,
                              MvSubpelPrecision precision);
void av1_build_nmv_component_cost_table(int *mvcost,
                                        const nmv_component *const mvcomp,
                                        MvSubpelPrecision precision);

void av1_update_mv_count(ThreadData *td);

void av1_encode_dv(aom_writer *w, const MV *mv, const MV *ref,
                   nmv_context *mvctx);
int_mv av1_get_ref_mv(const MACROBLOCK *x, int ref_idx);
int_mv av1_get_ref_mv_from_stack(int ref_idx,
                                 const MV_REFERENCE_FRAME *ref_frame,
                                 int ref_mv_idx,
                                 const MB_MODE_INFO_EXT *mbmi_ext);
void av1_find_best_ref_mvs_from_stack(int allow_hp,
                                      const MB_MODE_INFO_EXT *mbmi_ext,
                                      MV_REFERENCE_FRAME ref_frame,
                                      int_mv *nearest_mv, int_mv *near_mv,
                                      int is_integer);

static inline MV_JOINT_TYPE av1_get_mv_joint(const MV *mv) {
  // row:  Z  col:  Z  | MV_JOINT_ZERO   (0)
  // row:  Z  col: NZ  | MV_JOINT_HNZVZ  (1)
  // row: NZ  col:  Z  | MV_JOINT_HZVNZ  (2)
  // row: NZ  col: NZ  | MV_JOINT_HNZVNZ (3)
  return (!!mv->col) | ((!!mv->row) << 1);
}

static inline int av1_mv_class_base(MV_CLASS_TYPE c) {
  return c ? CLASS0_SIZE << (c + 2) : 0;
}

// If n != 0, returns the floor of log base 2 of n. If n == 0, returns 0.
static inline uint8_t av1_log_in_base_2(unsigned int n) {
  // get_msb() is only valid when n != 0.
  return n == 0 ? 0 : get_msb(n);
}

static inline MV_CLASS_TYPE av1_get_mv_class(int z, int *offset) {
  assert(z >= 0);
  const MV_CLASS_TYPE c = (MV_CLASS_TYPE)av1_log_in_base_2(z >> 3);
  assert(c <= MV_CLASS_10);
  if (offset) *offset = z - av1_mv_class_base(c);
  return c;
}

static inline int av1_check_newmv_joint_nonzero(const AV1_COMMON *cm,
                                                MACROBLOCK *const x) {
  (void)cm;
  MACROBLOCKD *xd = &x->e_mbd;
  MB_MODE_INFO *mbmi = xd->mi[0];
  const PREDICTION_MODE this_mode = mbmi->mode;
  if (this_mode == NEW_NEWMV) {
    const int_mv ref_mv_0 = av1_get_ref_mv(x, 0);
    const int_mv ref_mv_1 = av1_get_ref_mv(x, 1);
    if (mbmi->mv[0].as_int == ref_mv_0.as_int ||
        mbmi->mv[1].as_int == ref_mv_1.as_int) {
      return 0;
    }
  } else if (this_mode == NEAREST_NEWMV || this_mode == NEAR_NEWMV) {
    const int_mv ref_mv_1 = av1_get_ref_mv(x, 1);
    if (mbmi->mv[1].as_int == ref_mv_1.as_int) {
      return 0;
    }
  } else if (this_mode == NEW_NEARESTMV || this_mode == NEW_NEARMV) {
    const int_mv ref_mv_0 = av1_get_ref_mv(x, 0);
    if (mbmi->mv[0].as_int == ref_mv_0.as_int) {
      return 0;
    }
  } else if (this_mode == NEWMV) {
    const int_mv ref_mv_0 = av1_get_ref_mv(x, 0);
    if (mbmi->mv[0].as_int == ref_mv_0.as_int) {
      return 0;
    }
  }
  return 1;
}
#ifdef __cplusplus
}  // extern "C"
#endif

#endif  // AOM_AV1_ENCODER_ENCODEMV_H_

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright (c) 2016, Alliance for Open Media. All rights reserved.
3		*
4		* This source code is subject to the terms of the BSD 2 Clause License and
5		* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6		* was not distributed with this source code in the LICENSE file, you can
7		* obtain it at www.aomedia.org/license/software. If the Alliance for Open
8		* Media Patent License 1.0 was not distributed with this source code in the
9		* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10		*/
11
12		#ifndef AOM_AV1_ENCODER_ENCODEMV_H_
13		#define AOM_AV1_ENCODER_ENCODEMV_H_
14
15		#include "av1/encoder/encoder.h"
16
17		#ifdef __cplusplus
18		extern "C" {
19		#endif
20
21		void av1_encode_mv(AV1_COMP cpi, aom_writer w, ThreadData td, const MV mv,
22		const MV ref, nmv_context mvctx, int usehp);
23
24		void av1_update_mv_stats(const MV mv, const MV ref, nmv_context *mvctx,
25		MvSubpelPrecision precision);
26
27		void av1_build_nmv_cost_table(int mvjoint, int mvcost[2],
28		const nmv_context *mvctx,
29		MvSubpelPrecision precision);
30		void av1_build_nmv_component_cost_table(int *mvcost,
31		const nmv_component *const mvcomp,
32		MvSubpelPrecision precision);
33
34		void av1_update_mv_count(ThreadData *td);
35
36		void av1_encode_dv(aom_writer w, const MV mv, const MV *ref,
37		nmv_context *mvctx);
38		int_mv av1_get_ref_mv(const MACROBLOCK *x, int ref_idx);
39		int_mv av1_get_ref_mv_from_stack(int ref_idx,
40		const MV_REFERENCE_FRAME *ref_frame,
41		int ref_mv_idx,
42		const MB_MODE_INFO_EXT *mbmi_ext);
43		void av1_find_best_ref_mvs_from_stack(int allow_hp,
44		const MB_MODE_INFO_EXT *mbmi_ext,
45		MV_REFERENCE_FRAME ref_frame,
46		int_mv nearest_mv, int_mv near_mv,
47		int is_integer);
48
49	0	static inline MV_JOINT_TYPE av1_get_mv_joint(const MV *mv) {
50		// row: Z col: Z \| MV_JOINT_ZERO (0)
51		// row: Z col: NZ \| MV_JOINT_HNZVZ (1)
52		// row: NZ col: Z \| MV_JOINT_HZVNZ (2)
53		// row: NZ col: NZ \| MV_JOINT_HNZVNZ (3)
54	0	return (!!mv->col) \| ((!!mv->row) << 1);
55	0	} Unexecuted instantiation: bitstream.c:av1_get_mv_joint Unexecuted instantiation: encodeframe.c:av1_get_mv_joint Unexecuted instantiation: encodemv.c:av1_get_mv_joint Unexecuted instantiation: encoder.c:av1_get_mv_joint Unexecuted instantiation: firstpass.c:av1_get_mv_joint Unexecuted instantiation: mcomp.c:av1_get_mv_joint Unexecuted instantiation: mv_prec.c:av1_get_mv_joint Unexecuted instantiation: partition_search.c:av1_get_mv_joint Unexecuted instantiation: ratectrl.c:av1_get_mv_joint Unexecuted instantiation: rd.c:av1_get_mv_joint Unexecuted instantiation: rdopt.c:av1_get_mv_joint Unexecuted instantiation: nonrd_pickmode.c:av1_get_mv_joint Unexecuted instantiation: nonrd_opt.c:av1_get_mv_joint Unexecuted instantiation: motion_search_facade.c:av1_get_mv_joint
56
57	0	static inline int av1_mv_class_base(MV_CLASS_TYPE c) {
58	0	return c ? CLASS0_SIZE << (c + 2) : 0;
59	0	} Unexecuted instantiation: bitstream.c:av1_mv_class_base Unexecuted instantiation: encodeframe.c:av1_mv_class_base Unexecuted instantiation: encodemv.c:av1_mv_class_base Unexecuted instantiation: encoder.c:av1_mv_class_base Unexecuted instantiation: firstpass.c:av1_mv_class_base Unexecuted instantiation: mcomp.c:av1_mv_class_base Unexecuted instantiation: mv_prec.c:av1_mv_class_base Unexecuted instantiation: partition_search.c:av1_mv_class_base Unexecuted instantiation: ratectrl.c:av1_mv_class_base Unexecuted instantiation: rd.c:av1_mv_class_base Unexecuted instantiation: rdopt.c:av1_mv_class_base Unexecuted instantiation: nonrd_pickmode.c:av1_mv_class_base Unexecuted instantiation: nonrd_opt.c:av1_mv_class_base Unexecuted instantiation: motion_search_facade.c:av1_mv_class_base
60
61		// If n != 0, returns the floor of log base 2 of n. If n == 0, returns 0.
62	0	static inline uint8_t av1_log_in_base_2(unsigned int n) {
63		// get_msb() is only valid when n != 0.
64	0	return n == 0 ? 0 : get_msb(n);
65	0	} Unexecuted instantiation: bitstream.c:av1_log_in_base_2 Unexecuted instantiation: encodeframe.c:av1_log_in_base_2 Unexecuted instantiation: encodemv.c:av1_log_in_base_2 Unexecuted instantiation: encoder.c:av1_log_in_base_2 Unexecuted instantiation: firstpass.c:av1_log_in_base_2 Unexecuted instantiation: mcomp.c:av1_log_in_base_2 Unexecuted instantiation: mv_prec.c:av1_log_in_base_2 Unexecuted instantiation: partition_search.c:av1_log_in_base_2 Unexecuted instantiation: ratectrl.c:av1_log_in_base_2 Unexecuted instantiation: rd.c:av1_log_in_base_2 Unexecuted instantiation: rdopt.c:av1_log_in_base_2 Unexecuted instantiation: nonrd_pickmode.c:av1_log_in_base_2 Unexecuted instantiation: nonrd_opt.c:av1_log_in_base_2 Unexecuted instantiation: motion_search_facade.c:av1_log_in_base_2
66
67	0	static inline MV_CLASS_TYPE av1_get_mv_class(int z, int *offset) {
68	0	assert(z >= 0);
69	0	const MV_CLASS_TYPE c = (MV_CLASS_TYPE)av1_log_in_base_2(z >> 3);
70	0	assert(c <= MV_CLASS_10);
71	0	if (offset) *offset = z - av1_mv_class_base(c);
72	0	return c;
73	0	} Unexecuted instantiation: bitstream.c:av1_get_mv_class Unexecuted instantiation: encodeframe.c:av1_get_mv_class Unexecuted instantiation: encodemv.c:av1_get_mv_class Unexecuted instantiation: encoder.c:av1_get_mv_class Unexecuted instantiation: firstpass.c:av1_get_mv_class Unexecuted instantiation: mcomp.c:av1_get_mv_class Unexecuted instantiation: mv_prec.c:av1_get_mv_class Unexecuted instantiation: partition_search.c:av1_get_mv_class Unexecuted instantiation: ratectrl.c:av1_get_mv_class Unexecuted instantiation: rd.c:av1_get_mv_class Unexecuted instantiation: rdopt.c:av1_get_mv_class Unexecuted instantiation: nonrd_pickmode.c:av1_get_mv_class Unexecuted instantiation: nonrd_opt.c:av1_get_mv_class Unexecuted instantiation: motion_search_facade.c:av1_get_mv_class
74
75		static inline int av1_check_newmv_joint_nonzero(const AV1_COMMON *cm,
76	0	MACROBLOCK *const x) {
77	0	(void)cm;
78	0	MACROBLOCKD *xd = &x->e_mbd;
79	0	MB_MODE_INFO *mbmi = xd->mi[0];
80	0	const PREDICTION_MODE this_mode = mbmi->mode;
81	0	if (this_mode == NEW_NEWMV) {
82	0	const int_mv ref_mv_0 = av1_get_ref_mv(x, 0);
83	0	const int_mv ref_mv_1 = av1_get_ref_mv(x, 1);
84	0	if (mbmi->mv[0].as_int == ref_mv_0.as_int \|\|
85	0	mbmi->mv[1].as_int == ref_mv_1.as_int) {
86	0	return 0;
87	0	}
88	0	} else if (this_mode == NEAREST_NEWMV \|\| this_mode == NEAR_NEWMV) {
89	0	const int_mv ref_mv_1 = av1_get_ref_mv(x, 1);
90	0	if (mbmi->mv[1].as_int == ref_mv_1.as_int) {
91	0	return 0;
92	0	}
93	0	} else if (this_mode == NEW_NEARESTMV \|\| this_mode == NEW_NEARMV) {
94	0	const int_mv ref_mv_0 = av1_get_ref_mv(x, 0);
95	0	if (mbmi->mv[0].as_int == ref_mv_0.as_int) {
96	0	return 0;
97	0	}
98	0	} else if (this_mode == NEWMV) {
99	0	const int_mv ref_mv_0 = av1_get_ref_mv(x, 0);
100	0	if (mbmi->mv[0].as_int == ref_mv_0.as_int) {
101	0	return 0;
102	0	}
103	0	}
104	0	return 1;
105	0	} Unexecuted instantiation: bitstream.c:av1_check_newmv_joint_nonzero Unexecuted instantiation: encodeframe.c:av1_check_newmv_joint_nonzero Unexecuted instantiation: encodemv.c:av1_check_newmv_joint_nonzero Unexecuted instantiation: encoder.c:av1_check_newmv_joint_nonzero Unexecuted instantiation: firstpass.c:av1_check_newmv_joint_nonzero Unexecuted instantiation: mcomp.c:av1_check_newmv_joint_nonzero Unexecuted instantiation: mv_prec.c:av1_check_newmv_joint_nonzero Unexecuted instantiation: partition_search.c:av1_check_newmv_joint_nonzero Unexecuted instantiation: ratectrl.c:av1_check_newmv_joint_nonzero Unexecuted instantiation: rd.c:av1_check_newmv_joint_nonzero Unexecuted instantiation: rdopt.c:av1_check_newmv_joint_nonzero Unexecuted instantiation: nonrd_pickmode.c:av1_check_newmv_joint_nonzero Unexecuted instantiation: nonrd_opt.c:av1_check_newmv_joint_nonzero Unexecuted instantiation: motion_search_facade.c:av1_check_newmv_joint_nonzero
106		#ifdef __cplusplus
107		} // extern "C"
108		#endif
109
110		#endif // AOM_AV1_ENCODER_ENCODEMV_H_

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Created: 2025-06-22 08:04