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      1 /******************************************************************************
      2  *
      3  * Copyright (C) 2018 The Android Open Source Project
      4  *
      5  * Licensed under the Apache License, Version 2.0 (the "License");
      6  * you may not use this file except in compliance with the License.
      7  * You may obtain a copy of the License at:
      8  *
      9  * http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  * Unless required by applicable law or agreed to in writing, software
     12  * distributed under the License is distributed on an "AS IS" BASIS,
     13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  * See the License for the specific language governing permissions and
     15  * limitations under the License.
     16  *
     17  *****************************************************************************
     18  * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
     19 */
     20 /*!
     21 ******************************************************************************
     22 * \file ihevce_mv_pred.h
     23 *
     24 * \brief
     25 *    This file contains function prototypes of MV predcition function
     26 *
     27 * \date
     28 *    18/09/2012
     29 *
     30 * \author
     31 *    Ittiam
     32 *
     33 ******************************************************************************
     34 */
     35 
     36 #ifndef _IHEVCE_MV_PRED_H_
     37 #define _IHEVCE_MV_PRED_H_
     38 
     39 /*****************************************************************************/
     40 /* Constant Macros                                                           */
     41 /*****************************************************************************/
     42 
     43 #define MAX_MVP_LIST_CAND 2
     44 #define MAX_MVP_LIST_CAND_MEM (MAX_MVP_LIST_CAND + 1)
     45 
     46 /*****************************************************************************/
     47 /* Function Macros                                                           */
     48 /*****************************************************************************/
     49 
     50 /*****************************************************************************/
     51 /* Typedefs                                                                  */
     52 /*****************************************************************************/
     53 
     54 /*****************************************************************************/
     55 /* Enums                                                                     */
     56 /*****************************************************************************/
     57 
     58 /*****************************************************************************/
     59 /* Structure                                                                 */
     60 /*****************************************************************************/
     61 
     62 /*****************************************************************************/
     63 /* Extern Variable Declarations                                              */
     64 /*****************************************************************************/
     65 
     66 /*****************************************************************************/
     67 /* Extern Function Declarations                                              */
     68 /*****************************************************************************/
     69 
     70 void ihevce_mv_pred(
     71     mv_pred_ctxt_t *ps_ctxt,
     72     nbr_4x4_t *ps_top_nbr_4x4,
     73     nbr_4x4_t *ps_left_nbr_4x4,
     74     nbr_4x4_t *ps_top_left_nbr_4x4,
     75     WORD32 left_nbr_4x4_strd,
     76     nbr_avail_flags_t *ps_avail_flags,
     77     pu_mv_t *ps_col_mv,
     78     pu_t *ps_pu,
     79     pu_mv_t *ps_pred_mv,
     80     UWORD8 (*pu1_is_top_used)[MAX_MVP_LIST_CAND]);
     81 
     82 #endif /* _IHEVCE_MV_PRED_H_ */
     83