xref: /aosp_15_r20/external/libhevc/encoder/ihevce_inter_pred.h (revision c83a76b084498d55f252f48b2e3786804cdf24b7)
1*c83a76b0SSuyog Pawar /******************************************************************************
2*c83a76b0SSuyog Pawar  *
3*c83a76b0SSuyog Pawar  * Copyright (C) 2018 The Android Open Source Project
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  * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
19*c83a76b0SSuyog Pawar */
20*c83a76b0SSuyog Pawar /*!
21*c83a76b0SSuyog Pawar ******************************************************************************
22*c83a76b0SSuyog Pawar * \file ihevce_inter_pred.h
23*c83a76b0SSuyog Pawar *
24*c83a76b0SSuyog Pawar * \brief
25*c83a76b0SSuyog Pawar *    This file contains function prototypes of luma and chroma MC function
26*c83a76b0SSuyog Pawar *    interfaces for a inter PU
27*c83a76b0SSuyog Pawar *
28*c83a76b0SSuyog Pawar * \date
29*c83a76b0SSuyog Pawar *    18/09/2012
30*c83a76b0SSuyog Pawar *
31*c83a76b0SSuyog Pawar * \author
32*c83a76b0SSuyog Pawar *    Ittiam
33*c83a76b0SSuyog Pawar *
34*c83a76b0SSuyog Pawar ******************************************************************************
35*c83a76b0SSuyog Pawar */
36*c83a76b0SSuyog Pawar 
37*c83a76b0SSuyog Pawar #ifndef _IHEVCE_INTER_PRED_H_
38*c83a76b0SSuyog Pawar #define _IHEVCE_INTER_PRED_H_
39*c83a76b0SSuyog Pawar 
40*c83a76b0SSuyog Pawar /*****************************************************************************/
41*c83a76b0SSuyog Pawar /* Constant Macros                                                           */
42*c83a76b0SSuyog Pawar /*****************************************************************************/
43*c83a76b0SSuyog Pawar 
44*c83a76b0SSuyog Pawar /*****************************************************************************/
45*c83a76b0SSuyog Pawar /* Function Macros                                                           */
46*c83a76b0SSuyog Pawar /*****************************************************************************/
47*c83a76b0SSuyog Pawar 
48*c83a76b0SSuyog Pawar /*****************************************************************************/
49*c83a76b0SSuyog Pawar /* Typedefs                                                                  */
50*c83a76b0SSuyog Pawar /*****************************************************************************/
51*c83a76b0SSuyog Pawar 
52*c83a76b0SSuyog Pawar /*****************************************************************************/
53*c83a76b0SSuyog Pawar /* Enums                                                                     */
54*c83a76b0SSuyog Pawar /*****************************************************************************/
55*c83a76b0SSuyog Pawar /* enum to get availability of nbr by ANDing with nbr_mask */
56*c83a76b0SSuyog Pawar typedef enum TILE_NBR_MASK_E
57*c83a76b0SSuyog Pawar {
58*c83a76b0SSuyog Pawar     TILE_TL_NBR = 0x10000000,
59*c83a76b0SSuyog Pawar     TILE_TOP_NBR = 0x01000000,
60*c83a76b0SSuyog Pawar     TILE_TR_NBR = 0x00100000,
61*c83a76b0SSuyog Pawar     TILE_LT_NBR = 0x00010000,
62*c83a76b0SSuyog Pawar     TILE_RT_NBR = 0x00001000,
63*c83a76b0SSuyog Pawar     TILE_BL_NBR = 0x00000100,
64*c83a76b0SSuyog Pawar     TILE_BOT_NBR = 0x00000010,
65*c83a76b0SSuyog Pawar     TILE_BR_NBR = 0x00000001
66*c83a76b0SSuyog Pawar } TILE_NBR_MASK_E;
67*c83a76b0SSuyog Pawar 
68*c83a76b0SSuyog Pawar /* enum to access an array of entries representing four directions */
69*c83a76b0SSuyog Pawar typedef enum
70*c83a76b0SSuyog Pawar {
71*c83a76b0SSuyog Pawar     E_TOP = 0,
72*c83a76b0SSuyog Pawar     E_LEFT = 1,
73*c83a76b0SSuyog Pawar     E_RIGHT = 2,
74*c83a76b0SSuyog Pawar     E_BOT = 3,
75*c83a76b0SSuyog Pawar 
76*c83a76b0SSuyog Pawar     E_FOUR_DIRECTIONS = 4
77*c83a76b0SSuyog Pawar } IHEVCE_FOUR_DIRECTIONS_T;
78*c83a76b0SSuyog Pawar 
79*c83a76b0SSuyog Pawar /*****************************************************************************/
80*c83a76b0SSuyog Pawar /* Structure                                                                 */
81*c83a76b0SSuyog Pawar /*****************************************************************************/
82*c83a76b0SSuyog Pawar 
83*c83a76b0SSuyog Pawar /*****************************************************************************/
84*c83a76b0SSuyog Pawar /* Extern Variable Declarations                                              */
85*c83a76b0SSuyog Pawar /*****************************************************************************/
86*c83a76b0SSuyog Pawar 
87*c83a76b0SSuyog Pawar extern WORD8 gai1_hevc_luma_filter_taps[4][NTAPS_LUMA];
88*c83a76b0SSuyog Pawar extern WORD8 gai1_hevc_chroma_filter_taps[8][NTAPS_CHROMA];
89*c83a76b0SSuyog Pawar 
90*c83a76b0SSuyog Pawar /*****************************************************************************/
91*c83a76b0SSuyog Pawar /* Extern Function Declarations                                              */
92*c83a76b0SSuyog Pawar /*****************************************************************************/
93*c83a76b0SSuyog Pawar 
94*c83a76b0SSuyog Pawar IV_API_CALL_STATUS_T ihevce_luma_inter_pred_pu(
95*c83a76b0SSuyog Pawar     void *pv_inter_pred_ctxt,
96*c83a76b0SSuyog Pawar     pu_t *ps_pu,
97*c83a76b0SSuyog Pawar     void *pv_dst_buf,
98*c83a76b0SSuyog Pawar     WORD32 dst_stride,
99*c83a76b0SSuyog Pawar     WORD32 i4_flag_inter_pred_source);
100*c83a76b0SSuyog Pawar 
101*c83a76b0SSuyog Pawar IV_API_CALL_STATUS_T ihevce_luma_inter_pred_pu_high_speed(
102*c83a76b0SSuyog Pawar     void *pv_inter_pred_ctxt,
103*c83a76b0SSuyog Pawar     pu_t *ps_pu,
104*c83a76b0SSuyog Pawar     UWORD8 **ppu1_dst_buf,
105*c83a76b0SSuyog Pawar     WORD32 *pi4_dst_stride,
106*c83a76b0SSuyog Pawar     func_selector_t *ps_func_selector);
107*c83a76b0SSuyog Pawar 
108*c83a76b0SSuyog Pawar void ihevce_chroma_inter_pred_pu(
109*c83a76b0SSuyog Pawar     void *pv_inter_pred_ctxt, pu_t *ps_pu, UWORD8 *pu1_dst_buf, WORD32 dst_stride);
110*c83a76b0SSuyog Pawar 
111*c83a76b0SSuyog Pawar #endif /* _IHEVCE_INTER_PRED_H_ */
112