xref: /aosp_15_r20/external/libhevc/decoder/ihevcd_mv_merge.h (revision c83a76b084498d55f252f48b2e3786804cdf24b7)
1*c83a76b0SSuyog Pawar /******************************************************************************
2*c83a76b0SSuyog Pawar *
3*c83a76b0SSuyog Pawar * Copyright (C) 2012 Ittiam Systems Pvt Ltd, Bangalore
4*c83a76b0SSuyog Pawar *
5*c83a76b0SSuyog Pawar * Licensed under the Apache License, Version 2.0 (the "License");
6*c83a76b0SSuyog Pawar * you may not use this file except in compliance with the License.
7*c83a76b0SSuyog Pawar * You may obtain a copy of the License at:
8*c83a76b0SSuyog Pawar *
9*c83a76b0SSuyog Pawar * http://www.apache.org/licenses/LICENSE-2.0
10*c83a76b0SSuyog Pawar *
11*c83a76b0SSuyog Pawar * Unless required by applicable law or agreed to in writing, software
12*c83a76b0SSuyog Pawar * distributed under the License is distributed on an "AS IS" BASIS,
13*c83a76b0SSuyog Pawar * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14*c83a76b0SSuyog Pawar * See the License for the specific language governing permissions and
15*c83a76b0SSuyog Pawar * limitations under the License.
16*c83a76b0SSuyog Pawar *
17*c83a76b0SSuyog Pawar ******************************************************************************/
18*c83a76b0SSuyog Pawar /**
19*c83a76b0SSuyog Pawar *******************************************************************************
20*c83a76b0SSuyog Pawar * @file
21*c83a76b0SSuyog Pawar *  ihevce_mv_merge.h
22*c83a76b0SSuyog Pawar *
23*c83a76b0SSuyog Pawar * @brief
24*c83a76b0SSuyog Pawar *    This file contains function prototypes of MV Merge candidates list
25*c83a76b0SSuyog Pawar *    derivation functions and corresponding structure and macrso definations
26*c83a76b0SSuyog Pawar *
27*c83a76b0SSuyog Pawar * @author
28*c83a76b0SSuyog Pawar *  Harish
29*c83a76b0SSuyog Pawar *
30*c83a76b0SSuyog Pawar * @par List of Functions:
31*c83a76b0SSuyog Pawar *
32*c83a76b0SSuyog Pawar * @remarks
33*c83a76b0SSuyog Pawar *  None
34*c83a76b0SSuyog Pawar *
35*c83a76b0SSuyog Pawar *******************************************************************************
36*c83a76b0SSuyog Pawar */
37*c83a76b0SSuyog Pawar 
38*c83a76b0SSuyog Pawar #ifndef _IHEVCD_MV_MERGE_H_
39*c83a76b0SSuyog Pawar #define _IHEVCD_MV_MERGE_H_
40*c83a76b0SSuyog Pawar 
41*c83a76b0SSuyog Pawar /*****************************************************************************/
42*c83a76b0SSuyog Pawar /* Constant Macros                                                           */
43*c83a76b0SSuyog Pawar /*****************************************************************************/
44*c83a76b0SSuyog Pawar 
45*c83a76b0SSuyog Pawar #define MAX_NUM_MV_NBR     5
46*c83a76b0SSuyog Pawar 
47*c83a76b0SSuyog Pawar /*****************************************************************************/
48*c83a76b0SSuyog Pawar /* Function Macros                                                           */
49*c83a76b0SSuyog Pawar /*****************************************************************************/
50*c83a76b0SSuyog Pawar 
51*c83a76b0SSuyog Pawar /*****************************************************************************/
52*c83a76b0SSuyog Pawar /* Typedefs                                                                  */
53*c83a76b0SSuyog Pawar /*****************************************************************************/
54*c83a76b0SSuyog Pawar 
55*c83a76b0SSuyog Pawar /*****************************************************************************/
56*c83a76b0SSuyog Pawar /* Enums                                                                     */
57*c83a76b0SSuyog Pawar /*****************************************************************************/
58*c83a76b0SSuyog Pawar typedef enum
59*c83a76b0SSuyog Pawar {
60*c83a76b0SSuyog Pawar     NBR_A0 = 0,
61*c83a76b0SSuyog Pawar     NBR_A1 = 1,
62*c83a76b0SSuyog Pawar     NBR_B0 = 2,
63*c83a76b0SSuyog Pawar     NBR_B1 = 3,
64*c83a76b0SSuyog Pawar     NBR_B2 = 4,
65*c83a76b0SSuyog Pawar 
66*c83a76b0SSuyog Pawar     /* should be last */
67*c83a76b0SSuyog Pawar     MAX_NUM_NBRS
68*c83a76b0SSuyog Pawar }MV_MERGE_NBRS_T;
69*c83a76b0SSuyog Pawar 
70*c83a76b0SSuyog Pawar /*****************************************************************************/
71*c83a76b0SSuyog Pawar /* Structure                                                                 */
72*c83a76b0SSuyog Pawar /*****************************************************************************/
73*c83a76b0SSuyog Pawar 
74*c83a76b0SSuyog Pawar /*****************************************************************************/
75*c83a76b0SSuyog Pawar /* Extern Variable Declarations                                              */
76*c83a76b0SSuyog Pawar /*****************************************************************************/
77*c83a76b0SSuyog Pawar 
78*c83a76b0SSuyog Pawar /*****************************************************************************/
79*c83a76b0SSuyog Pawar /* Extern Function Declarations                                              */
80*c83a76b0SSuyog Pawar /*****************************************************************************/
81*c83a76b0SSuyog Pawar void ihevcd_mv_merge(mv_ctxt_t *ps_mv_ctxt,
82*c83a76b0SSuyog Pawar                      UWORD32 *pu4_top_pu_idx,
83*c83a76b0SSuyog Pawar                      UWORD32 *pu4_left_pu_idx,
84*c83a76b0SSuyog Pawar                      WORD32 left_nbr_4x4_strd,
85*c83a76b0SSuyog Pawar                      pu_t *ps_pu,
86*c83a76b0SSuyog Pawar                      WORD32 part_mode,
87*c83a76b0SSuyog Pawar                      WORD32 part_idx,
88*c83a76b0SSuyog Pawar                      WORD32 part_wd,
89*c83a76b0SSuyog Pawar                      WORD32 part_ht,
90*c83a76b0SSuyog Pawar                      WORD32 part_pos_x,
91*c83a76b0SSuyog Pawar                      WORD32 part_pos_y,
92*c83a76b0SSuyog Pawar                      WORD32 single_mcl_flag,
93*c83a76b0SSuyog Pawar                      WORD32 lb_avail,
94*c83a76b0SSuyog Pawar                      WORD32 l_avail,
95*c83a76b0SSuyog Pawar                      WORD32 tr_avail,
96*c83a76b0SSuyog Pawar                      WORD32 t_avail,
97*c83a76b0SSuyog Pawar                      WORD32 tl_avail);
98*c83a76b0SSuyog Pawar void ihevcd_collocated_mvp(mv_ctxt_t *ps_mv_ctxt,
99*c83a76b0SSuyog Pawar                            pu_t *ps_pu,
100*c83a76b0SSuyog Pawar                            mv_t *ps_mv_col,
101*c83a76b0SSuyog Pawar                            WORD32 *pu4_avail_col_flag,
102*c83a76b0SSuyog Pawar                            WORD32 use_pu_ref_idx,
103*c83a76b0SSuyog Pawar                            WORD32 x_col,
104*c83a76b0SSuyog Pawar                            WORD32 y_col);
105*c83a76b0SSuyog Pawar 
106*c83a76b0SSuyog Pawar void ihevcd_scale_collocated_mv(mv_t *ps_mv,
107*c83a76b0SSuyog Pawar                                 WORD32 cur_ref_poc,
108*c83a76b0SSuyog Pawar                                 WORD32 col_ref_poc,
109*c83a76b0SSuyog Pawar                                 WORD32 col_poc,
110*c83a76b0SSuyog Pawar                                 WORD32 cur_poc);
111*c83a76b0SSuyog Pawar #endif  /* _IHEVCD_MV_MERGE_H_ */
112