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      1 /******************************************************************************
      2  *
      3  * Copyright (C) 2015 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 #include <stdio.h>
     21 #include "iv_datatypedef.h"
     22 #include "iv.h"
     23 
     24 #include "impeg2_buf_mgr.h"
     25 #include "impeg2_disp_mgr.h"
     26 #include "impeg2_defs.h"
     27 #include "impeg2_platform_macros.h"
     28 #include "impeg2_inter_pred.h"
     29 #include "impeg2_idct.h"
     30 #include "impeg2_globals.h"
     31 #include "impeg2_mem_func.h"
     32 #include "impeg2_format_conv.h"
     33 #include "impeg2_macros.h"
     34 
     35 #include "impeg2d.h"
     36 #include "impeg2d_bitstream.h"
     37 #include "impeg2d_structs.h"
     38 #include "impeg2d_globals.h"
     39 #include "impeg2d_mc.h"
     40 
     41 /*****************************************************************************/
     42 /* MC params table                                                           */
     43 /*****************************************************************************/
     44 const mc_type_consts_t gas_impeg2d_mc_params_luma[][2] =
     45 {
     46     /* frame prediction in P frame picture */
     47     {{1,0,1,1,MB_SIZE,MB_SIZE,0},
     48      {1,0,1,1,MB_SIZE,MB_SIZE,0}},
     49     /* field prediction in P frame picture */
     50     {{2,0,1,2,MB_SIZE/2,MB_SIZE*2,0},
     51      {2,0,1,2,MB_SIZE/2,MB_SIZE*2,1}},
     52     /* frame prediction in B frame picture */
     53     {{1,0,1,1,MB_SIZE,MB_SIZE,0},
     54      {1,0,1,1,MB_SIZE,MB_SIZE,0}},
     55     /* field prediction in B frame picture */
     56     {{2,0,1,2,MB_SIZE/2,MB_SIZE*2,0},
     57      {2,0,1,2,MB_SIZE/2,MB_SIZE*2,1}},
     58     /* dual prime prediction in P frame picture */
     59     {{2,0,1,2,MB_SIZE/2,MB_SIZE*2,0},
     60      {2,0,1,2,MB_SIZE/2,MB_SIZE*2,1}},
     61 
     62     /* field prediction in P field picture */
     63     {{1,0,2,2,MB_SIZE,MB_SIZE,0},{1,0,2,2,MB_SIZE,MB_SIZE,0}},
     64     /* 16x8 prediction in P field picture */
     65     {{1,0,2,2,MB_SIZE/2,MB_SIZE,0},{1,8,2,2,MB_SIZE/2,MB_SIZE,(1*MB_SIZE/2)}},
     66     /* field prediction in B field picture */
     67     {{1,0,2,2,MB_SIZE,MB_SIZE,0},{1,0,2,2,MB_SIZE,MB_SIZE,0}},
     68     /* 16x8 prediction in B field picture */
     69     {{1,0,2,2,MB_SIZE/2,MB_SIZE,0},{1,8,2,2,MB_SIZE/2,MB_SIZE,(1*MB_SIZE/2)}},
     70     /* dual prime prediction in P field picture */
     71     {{1,0,2,2,MB_SIZE,MB_SIZE,0},{1,0,2,2,MB_SIZE,MB_SIZE,0}}
     72 
     73 };
     74 
     75 const mc_type_consts_t gas_impeg2d_mc_params_chroma[10][2] =
     76 {
     77     /* frame prediction in P frame picture */
     78     {{1,0,1,1,MB_CHROMA_SIZE,MB_CHROMA_SIZE,0},{1,0,1,1,MB_CHROMA_SIZE,MB_CHROMA_SIZE,0}},
     79     /* field prediction in P frame picture */
     80     {{2,0,1,2,MB_CHROMA_SIZE/2,MB_CHROMA_SIZE*2,0},{2,0,1,2,MB_CHROMA_SIZE/2,
     81     MB_CHROMA_SIZE*2,1}},
     82     /* frame prediction in B frame picture */
     83     {{1,0,1,1,MB_CHROMA_SIZE,MB_CHROMA_SIZE,0},{1,0,1,1,MB_CHROMA_SIZE,
     84     MB_CHROMA_SIZE,0}},
     85     /* field prediction in B frame picture */
     86     {{2,0,1,2,MB_CHROMA_SIZE/2,MB_CHROMA_SIZE*2,0},{2,0,1,2,MB_CHROMA_SIZE/2,
     87     MB_CHROMA_SIZE*2,1}},
     88     /* dual prime prediction in P frame picture */
     89     {{2,0,1,2,MB_CHROMA_SIZE/2,MB_CHROMA_SIZE*2,0},{2,0,1,2,MB_CHROMA_SIZE/2,
     90     MB_CHROMA_SIZE*2,1}},
     91 
     92     /* field prediction in P field picture */
     93     {{1,0,2,2,MB_CHROMA_SIZE,MB_CHROMA_SIZE,0},{1,0,2,2,MB_CHROMA_SIZE,
     94     MB_CHROMA_SIZE,0}},
     95     /* 16x8 prediction in P field picture */
     96     {{1,0,2,2,MB_CHROMA_SIZE/2,MB_CHROMA_SIZE,0},{1,4,2,2,MB_CHROMA_SIZE/2,
     97     MB_CHROMA_SIZE,(1*MB_CHROMA_SIZE/2)}},
     98     /* field prediction in B field picture */
     99     {{1,0,2,2,MB_CHROMA_SIZE,MB_CHROMA_SIZE,0},{1,0,2,2,MB_CHROMA_SIZE,
    100     MB_CHROMA_SIZE,0}},
    101     /* 16x8 prediction in B field picture */
    102     {{1,0,2,2,MB_CHROMA_SIZE/2,MB_CHROMA_SIZE,0},{1,4,2,2,MB_CHROMA_SIZE/2,
    103     MB_CHROMA_SIZE,(1*MB_CHROMA_SIZE/2)}},
    104     /* dual prime prediction in P field picture */
    105     {{1,0,2,2,MB_CHROMA_SIZE,MB_CHROMA_SIZE,0},{1,0,2,2,MB_CHROMA_SIZE,
    106     MB_CHROMA_SIZE,0}}
    107 
    108 };
    109 
    110 /*****************************************************************************/
    111 /* MC function pointer table                                                 */
    112 /*****************************************************************************/
    113 const dec_mb_params_t gas_impeg2d_func_frm_fw_or_bk[4] =
    114 {
    115     /*0MV*/
    116     {impeg2d_dec_1mv_mb,MC_FRM_FW_OR_BK_1MV,impeg2d_mc_1mv},
    117     /* motion_type Field based */
    118     {impeg2d_dec_2mv_fw_or_bk_mb,MC_FRM_FW_OR_BK_2MV,impeg2d_mc_fw_or_bk_mb},
    119     /* motion_type Frame based */
    120     {impeg2d_dec_1mv_mb,MC_FRM_FW_OR_BK_1MV,impeg2d_mc_1mv},
    121     /* motion_type Dual prime based */
    122     {impeg2d_dec_frm_dual_prime,MC_FRM_FW_DUAL_PRIME_1MV,impeg2d_mc_frm_dual_prime},
    123 };
    124 
    125 const dec_mb_params_t gas_impeg2d_func_fld_fw_or_bk[4] =
    126 {
    127     /*0MV*/
    128     {impeg2d_dec_1mv_mb,MC_FRM_FW_OR_BK_1MV,impeg2d_mc_1mv},
    129     /* motion_type Field based */
    130     {impeg2d_dec_1mv_mb,MC_FLD_FW_OR_BK_1MV,impeg2d_mc_1mv},
    131     /* motion_type 16x8 MC */
    132     {impeg2d_dec_2mv_fw_or_bk_mb,MC_FLD_FW_OR_BK_2MV,impeg2d_mc_fw_or_bk_mb},
    133     /* motion_type Dual prime based */
    134     {impeg2d_dec_fld_dual_prime,MC_FLD_FW_DUAL_PRIME_1MV,impeg2d_mc_fld_dual_prime},
    135 };
    136 
    137 
    138 const dec_mb_params_t gas_impeg2d_func_frm_bi_direct[4] =
    139 {
    140     {NULL,MC_FRM_FW_OR_BK_1MV,NULL},
    141     /* motion_type Field based */
    142     {impeg2d_dec_4mv_mb,MC_FRM_FW_AND_BK_4MV,impeg2d_mc_4mv},
    143     /* motion_type Frame based */
    144     {impeg2d_dec_2mv_interp_mb,MC_FRM_FW_AND_BK_2MV,impeg2d_mc_2mv},
    145     /* Reserved not applicable */
    146     {NULL,MC_FRM_FW_OR_BK_1MV,NULL},
    147 };
    148 
    149 const dec_mb_params_t gas_impeg2d_func_fld_bi_direct[4] =
    150 {
    151     {NULL,MC_FRM_FW_OR_BK_1MV,NULL},
    152     /* motion_type Field based */
    153     {impeg2d_dec_2mv_interp_mb,MC_FLD_FW_AND_BK_2MV,impeg2d_mc_2mv},
    154     /* motion_type 16x8 MC */
    155     {impeg2d_dec_4mv_mb,MC_FLD_FW_AND_BK_4MV,impeg2d_mc_4mv},
    156     /* Reserved not applicable */
    157     {NULL,MC_FRM_FW_OR_BK_1MV,NULL},
    158 };
    159