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h264pred.c (22186B)


      1 /*
      2 * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
      3 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
      4 *
      5 * This file is part of FFmpeg.
      6 *
      7 * FFmpeg is free software; you can redistribute it and/or
      8 * modify it under the terms of the GNU Lesser General Public
      9 * License as published by the Free Software Foundation; either
     10 * version 2.1 of the License, or (at your option) any later version.
     11 *
     12 * FFmpeg is distributed in the hope that it will be useful,
     13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
     14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     15 * Lesser General Public License for more details.
     16 *
     17 * You should have received a copy of the GNU Lesser General Public
     18 * License along with FFmpeg; if not, write to the Free Software
     19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
     20 */
     21 
     22 /**
     23 * @file
     24 * H.264 / AVC / MPEG-4 part10 prediction functions.
     25 * @author Michael Niedermayer <michaelni@gmx.at>
     26 */
     27 
     28 #include "config.h"
     29 #include "libavutil/attributes.h"
     30 #include "libavutil/avassert.h"
     31 #include "libavutil/intreadwrite.h"
     32 #include "codec_id.h"
     33 #include "h264pred.h"
     34 #include "mathops.h"
     35 
     36 #define BIT_DEPTH 8
     37 #include "h264pred_template.c"
     38 #undef BIT_DEPTH
     39 
     40 #define BIT_DEPTH 9
     41 #include "h264pred_template.c"
     42 #undef BIT_DEPTH
     43 
     44 #define BIT_DEPTH 10
     45 #include "h264pred_template.c"
     46 #undef BIT_DEPTH
     47 
     48 #define BIT_DEPTH 12
     49 #include "h264pred_template.c"
     50 #undef BIT_DEPTH
     51 
     52 #define BIT_DEPTH 14
     53 #include "h264pred_template.c"
     54 #undef BIT_DEPTH
     55 
     56 static void pred4x4_127_dc_c(uint8_t *src, const uint8_t *topright,
     57                             ptrdiff_t _stride)
     58 {
     59    int stride = _stride;
     60    const uint32_t a = 0x7F7F7F7FU;
     61 
     62    AV_WN32A(src + 0 * stride, a);
     63    AV_WN32A(src + 1 * stride, a);
     64    AV_WN32A(src + 2 * stride, a);
     65    AV_WN32A(src + 3 * stride, a);
     66 }
     67 
     68 static void pred4x4_129_dc_c(uint8_t *src, const uint8_t *topright,
     69                             ptrdiff_t _stride)
     70 {
     71    int stride = _stride;
     72    const uint32_t a = 0x81818181U;
     73 
     74    AV_WN32A(src + 0 * stride, a);
     75    AV_WN32A(src + 1 * stride, a);
     76    AV_WN32A(src + 2 * stride, a);
     77    AV_WN32A(src + 3 * stride, a);
     78 }
     79 
     80 static void pred4x4_vertical_vp8_c(uint8_t *src, const uint8_t *topright,
     81                                   ptrdiff_t stride)
     82 {
     83    const unsigned lt = src[-1-1*stride];
     84    LOAD_TOP_EDGE
     85    LOAD_TOP_RIGHT_EDGE
     86    uint32_t v = PACK_4U8((lt + 2*t0 + t1 + 2) >> 2,
     87                          (t0 + 2*t1 + t2 + 2) >> 2,
     88                          (t1 + 2*t2 + t3 + 2) >> 2,
     89                          (t2 + 2*t3 + t4 + 2) >> 2);
     90 
     91    AV_WN32A(src+0*stride, v);
     92    AV_WN32A(src+1*stride, v);
     93    AV_WN32A(src+2*stride, v);
     94    AV_WN32A(src+3*stride, v);
     95 }
     96 
     97 static void pred4x4_horizontal_vp8_c(uint8_t *src, const uint8_t *topright,
     98                                     ptrdiff_t stride)
     99 {
    100    const unsigned lt = src[-1-1*stride];
    101    LOAD_LEFT_EDGE
    102 
    103    AV_WN32A(src+0*stride, ((lt + 2*l0 + l1 + 2) >> 2)*0x01010101);
    104    AV_WN32A(src+1*stride, ((l0 + 2*l1 + l2 + 2) >> 2)*0x01010101);
    105    AV_WN32A(src+2*stride, ((l1 + 2*l2 + l3 + 2) >> 2)*0x01010101);
    106    AV_WN32A(src+3*stride, ((l2 + 2*l3 + l3 + 2) >> 2)*0x01010101);
    107 }
    108 
    109 static void pred4x4_down_left_svq3_c(uint8_t *src, const uint8_t *topright,
    110                                     ptrdiff_t stride)
    111 {
    112    LOAD_TOP_EDGE
    113    LOAD_LEFT_EDGE
    114 
    115    src[0+0*stride]=(l1 + t1)>>1;
    116    src[1+0*stride]=
    117    src[0+1*stride]=(l2 + t2)>>1;
    118    src[2+0*stride]=
    119    src[1+1*stride]=
    120    src[0+2*stride]=
    121    src[3+0*stride]=
    122    src[2+1*stride]=
    123    src[1+2*stride]=
    124    src[0+3*stride]=
    125    src[3+1*stride]=
    126    src[2+2*stride]=
    127    src[1+3*stride]=
    128    src[3+2*stride]=
    129    src[2+3*stride]=
    130    src[3+3*stride]=(l3 + t3)>>1;
    131 }
    132 
    133 static void pred4x4_down_left_rv40_c(uint8_t *src, const uint8_t *topright,
    134                                     ptrdiff_t stride)
    135 {
    136    LOAD_TOP_EDGE
    137    LOAD_TOP_RIGHT_EDGE
    138    LOAD_LEFT_EDGE
    139    LOAD_DOWN_LEFT_EDGE
    140 
    141    src[0+0*stride]=(t0 + t2 + 2*t1 + 2 + l0 + l2 + 2*l1 + 2)>>3;
    142    src[1+0*stride]=
    143    src[0+1*stride]=(t1 + t3 + 2*t2 + 2 + l1 + l3 + 2*l2 + 2)>>3;
    144    src[2+0*stride]=
    145    src[1+1*stride]=
    146    src[0+2*stride]=(t2 + t4 + 2*t3 + 2 + l2 + l4 + 2*l3 + 2)>>3;
    147    src[3+0*stride]=
    148    src[2+1*stride]=
    149    src[1+2*stride]=
    150    src[0+3*stride]=(t3 + t5 + 2*t4 + 2 + l3 + l5 + 2*l4 + 2)>>3;
    151    src[3+1*stride]=
    152    src[2+2*stride]=
    153    src[1+3*stride]=(t4 + t6 + 2*t5 + 2 + l4 + l6 + 2*l5 + 2)>>3;
    154    src[3+2*stride]=
    155    src[2+3*stride]=(t5 + t7 + 2*t6 + 2 + l5 + l7 + 2*l6 + 2)>>3;
    156    src[3+3*stride]=(t6 + t7 + 1 + l6 + l7 + 1)>>2;
    157 }
    158 
    159 static void pred4x4_down_left_rv40_nodown_c(uint8_t *src,
    160                                            const uint8_t *topright,
    161                                            ptrdiff_t stride)
    162 {
    163    LOAD_TOP_EDGE
    164    LOAD_TOP_RIGHT_EDGE
    165    LOAD_LEFT_EDGE
    166 
    167    src[0+0*stride]=(t0 + t2 + 2*t1 + 2 + l0 + l2 + 2*l1 + 2)>>3;
    168    src[1+0*stride]=
    169    src[0+1*stride]=(t1 + t3 + 2*t2 + 2 + l1 + l3 + 2*l2 + 2)>>3;
    170    src[2+0*stride]=
    171    src[1+1*stride]=
    172    src[0+2*stride]=(t2 + t4 + 2*t3 + 2 + l2 + 3*l3 + 2)>>3;
    173    src[3+0*stride]=
    174    src[2+1*stride]=
    175    src[1+2*stride]=
    176    src[0+3*stride]=(t3 + t5 + 2*t4 + 2 + l3*4 + 2)>>3;
    177    src[3+1*stride]=
    178    src[2+2*stride]=
    179    src[1+3*stride]=(t4 + t6 + 2*t5 + 2 + l3*4 + 2)>>3;
    180    src[3+2*stride]=
    181    src[2+3*stride]=(t5 + t7 + 2*t6 + 2 + l3*4 + 2)>>3;
    182    src[3+3*stride]=(t6 + t7 + 1 + 2*l3 + 1)>>2;
    183 }
    184 
    185 static void pred4x4_vertical_left_rv40(uint8_t *src, const uint8_t *topright,
    186                                       ptrdiff_t stride,
    187                                       const int l0, const int l1, const int l2,
    188                                       const int l3, const int l4)
    189 {
    190    LOAD_TOP_EDGE
    191    LOAD_TOP_RIGHT_EDGE
    192 
    193    src[0+0*stride]=(2*t0 + 2*t1 + l1 + 2*l2 + l3 + 4)>>3;
    194    src[1+0*stride]=
    195    src[0+2*stride]=(t1 + t2 + 1)>>1;
    196    src[2+0*stride]=
    197    src[1+2*stride]=(t2 + t3 + 1)>>1;
    198    src[3+0*stride]=
    199    src[2+2*stride]=(t3 + t4+ 1)>>1;
    200    src[3+2*stride]=(t4 + t5+ 1)>>1;
    201    src[0+1*stride]=(t0 + 2*t1 + t2 + l2 + 2*l3 + l4 + 4)>>3;
    202    src[1+1*stride]=
    203    src[0+3*stride]=(t1 + 2*t2 + t3 + 2)>>2;
    204    src[2+1*stride]=
    205    src[1+3*stride]=(t2 + 2*t3 + t4 + 2)>>2;
    206    src[3+1*stride]=
    207    src[2+3*stride]=(t3 + 2*t4 + t5 + 2)>>2;
    208    src[3+3*stride]=(t4 + 2*t5 + t6 + 2)>>2;
    209 }
    210 
    211 static void pred4x4_vertical_left_rv40_c(uint8_t *src, const uint8_t *topright,
    212                                         ptrdiff_t stride)
    213 {
    214    LOAD_LEFT_EDGE
    215    LOAD_DOWN_LEFT_EDGE
    216 
    217    pred4x4_vertical_left_rv40(src, topright, stride, l0, l1, l2, l3, l4);
    218 }
    219 
    220 static void pred4x4_vertical_left_rv40_nodown_c(uint8_t *src,
    221                                                const uint8_t *topright,
    222                                                ptrdiff_t stride)
    223 {
    224    LOAD_LEFT_EDGE
    225 
    226    pred4x4_vertical_left_rv40(src, topright, stride, l0, l1, l2, l3, l3);
    227 }
    228 
    229 static void pred4x4_vertical_left_vp8_c(uint8_t *src, const uint8_t *topright,
    230                                        ptrdiff_t stride)
    231 {
    232    LOAD_TOP_EDGE
    233    LOAD_TOP_RIGHT_EDGE
    234 
    235    src[0+0*stride]=(t0 + t1 + 1)>>1;
    236    src[1+0*stride]=
    237    src[0+2*stride]=(t1 + t2 + 1)>>1;
    238    src[2+0*stride]=
    239    src[1+2*stride]=(t2 + t3 + 1)>>1;
    240    src[3+0*stride]=
    241    src[2+2*stride]=(t3 + t4 + 1)>>1;
    242    src[0+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
    243    src[1+1*stride]=
    244    src[0+3*stride]=(t1 + 2*t2 + t3 + 2)>>2;
    245    src[2+1*stride]=
    246    src[1+3*stride]=(t2 + 2*t3 + t4 + 2)>>2;
    247    src[3+1*stride]=
    248    src[2+3*stride]=(t3 + 2*t4 + t5 + 2)>>2;
    249    src[3+2*stride]=(t4 + 2*t5 + t6 + 2)>>2;
    250    src[3+3*stride]=(t5 + 2*t6 + t7 + 2)>>2;
    251 }
    252 
    253 static void pred4x4_horizontal_up_rv40_c(uint8_t *src, const uint8_t *topright,
    254                                         ptrdiff_t stride)
    255 {
    256    LOAD_LEFT_EDGE
    257    LOAD_DOWN_LEFT_EDGE
    258    LOAD_TOP_EDGE
    259    LOAD_TOP_RIGHT_EDGE
    260 
    261    src[0+0*stride]=(t1 + 2*t2 + t3 + 2*l0 + 2*l1 + 4)>>3;
    262    src[1+0*stride]=(t2 + 2*t3 + t4 + l0 + 2*l1 + l2 + 4)>>3;
    263    src[2+0*stride]=
    264    src[0+1*stride]=(t3 + 2*t4 + t5 + 2*l1 + 2*l2 + 4)>>3;
    265    src[3+0*stride]=
    266    src[1+1*stride]=(t4 + 2*t5 + t6 + l1 + 2*l2 + l3 + 4)>>3;
    267    src[2+1*stride]=
    268    src[0+2*stride]=(t5 + 2*t6 + t7 + 2*l2 + 2*l3 + 4)>>3;
    269    src[3+1*stride]=
    270    src[1+2*stride]=(t6 + 3*t7 + l2 + 3*l3 + 4)>>3;
    271    src[3+2*stride]=
    272    src[1+3*stride]=(l3 + 2*l4 + l5 + 2)>>2;
    273    src[0+3*stride]=
    274    src[2+2*stride]=(t6 + t7 + l3 + l4 + 2)>>2;
    275    src[2+3*stride]=(l4 + l5 + 1)>>1;
    276    src[3+3*stride]=(l4 + 2*l5 + l6 + 2)>>2;
    277 }
    278 
    279 static void pred4x4_horizontal_up_rv40_nodown_c(uint8_t *src,
    280                                                const uint8_t *topright,
    281                                                ptrdiff_t stride)
    282 {
    283    LOAD_LEFT_EDGE
    284    LOAD_TOP_EDGE
    285    LOAD_TOP_RIGHT_EDGE
    286 
    287    src[0+0*stride]=(t1 + 2*t2 + t3 + 2*l0 + 2*l1 + 4)>>3;
    288    src[1+0*stride]=(t2 + 2*t3 + t4 + l0 + 2*l1 + l2 + 4)>>3;
    289    src[2+0*stride]=
    290    src[0+1*stride]=(t3 + 2*t4 + t5 + 2*l1 + 2*l2 + 4)>>3;
    291    src[3+0*stride]=
    292    src[1+1*stride]=(t4 + 2*t5 + t6 + l1 + 2*l2 + l3 + 4)>>3;
    293    src[2+1*stride]=
    294    src[0+2*stride]=(t5 + 2*t6 + t7 + 2*l2 + 2*l3 + 4)>>3;
    295    src[3+1*stride]=
    296    src[1+2*stride]=(t6 + 3*t7 + l2 + 3*l3 + 4)>>3;
    297    src[3+2*stride]=
    298    src[1+3*stride]=l3;
    299    src[0+3*stride]=
    300    src[2+2*stride]=(t6 + t7 + 2*l3 + 2)>>2;
    301    src[2+3*stride]=
    302    src[3+3*stride]=l3;
    303 }
    304 
    305 static void pred4x4_tm_vp8_c(uint8_t *src, const uint8_t *topright,
    306                             ptrdiff_t stride)
    307 {
    308    const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP - src[-1-stride];
    309    uint8_t *top = src-stride;
    310    int y;
    311 
    312    for (y = 0; y < 4; y++) {
    313        const uint8_t *cm_in = cm + src[-1];
    314        src[0] = cm_in[top[0]];
    315        src[1] = cm_in[top[1]];
    316        src[2] = cm_in[top[2]];
    317        src[3] = cm_in[top[3]];
    318        src += stride;
    319    }
    320 }
    321 
    322 static void pred16x16_plane_svq3_c(uint8_t *src, ptrdiff_t stride)
    323 {
    324    pred16x16_plane_compat_8_c(src, stride, 1, 0);
    325 }
    326 
    327 static void pred16x16_plane_rv40_c(uint8_t *src, ptrdiff_t stride)
    328 {
    329    pred16x16_plane_compat_8_c(src, stride, 0, 1);
    330 }
    331 
    332 static void pred16x16_tm_vp8_c(uint8_t *src, ptrdiff_t stride)
    333 {
    334    const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP - src[-1-stride];
    335    uint8_t *top = src-stride;
    336    int y;
    337 
    338    for (y = 0; y < 16; y++) {
    339        const uint8_t *cm_in = cm + src[-1];
    340        src[0]  = cm_in[top[0]];
    341        src[1]  = cm_in[top[1]];
    342        src[2]  = cm_in[top[2]];
    343        src[3]  = cm_in[top[3]];
    344        src[4]  = cm_in[top[4]];
    345        src[5]  = cm_in[top[5]];
    346        src[6]  = cm_in[top[6]];
    347        src[7]  = cm_in[top[7]];
    348        src[8]  = cm_in[top[8]];
    349        src[9]  = cm_in[top[9]];
    350        src[10] = cm_in[top[10]];
    351        src[11] = cm_in[top[11]];
    352        src[12] = cm_in[top[12]];
    353        src[13] = cm_in[top[13]];
    354        src[14] = cm_in[top[14]];
    355        src[15] = cm_in[top[15]];
    356        src += stride;
    357    }
    358 }
    359 
    360 static void pred8x8_left_dc_rv40_c(uint8_t *src, ptrdiff_t stride)
    361 {
    362    int i;
    363    unsigned dc0;
    364 
    365    dc0=0;
    366    for(i=0;i<8; i++)
    367        dc0+= src[-1+i*stride];
    368    dc0= 0x01010101*((dc0 + 4)>>3);
    369 
    370    for(i=0; i<8; i++){
    371        ((uint32_t*)(src+i*stride))[0]=
    372        ((uint32_t*)(src+i*stride))[1]= dc0;
    373    }
    374 }
    375 
    376 static void pred8x8_top_dc_rv40_c(uint8_t *src, ptrdiff_t stride)
    377 {
    378    int i;
    379    unsigned dc0;
    380 
    381    dc0=0;
    382    for(i=0;i<8; i++)
    383        dc0+= src[i-stride];
    384    dc0= 0x01010101*((dc0 + 4)>>3);
    385 
    386    for(i=0; i<8; i++){
    387        ((uint32_t*)(src+i*stride))[0]=
    388        ((uint32_t*)(src+i*stride))[1]= dc0;
    389    }
    390 }
    391 
    392 static void pred8x8_dc_rv40_c(uint8_t *src, ptrdiff_t stride)
    393 {
    394    int i;
    395    unsigned dc0 = 0;
    396 
    397    for(i=0;i<4; i++){
    398        dc0+= src[-1+i*stride] + src[i-stride];
    399        dc0+= src[4+i-stride];
    400        dc0+= src[-1+(i+4)*stride];
    401    }
    402    dc0= 0x01010101*((dc0 + 8)>>4);
    403 
    404    for(i=0; i<4; i++){
    405        ((uint32_t*)(src+i*stride))[0]= dc0;
    406        ((uint32_t*)(src+i*stride))[1]= dc0;
    407    }
    408    for(i=4; i<8; i++){
    409        ((uint32_t*)(src+i*stride))[0]= dc0;
    410        ((uint32_t*)(src+i*stride))[1]= dc0;
    411    }
    412 }
    413 
    414 static void pred8x8_tm_vp8_c(uint8_t *src, ptrdiff_t stride)
    415 {
    416    const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP - src[-1-stride];
    417    uint8_t *top = src-stride;
    418    int y;
    419 
    420    for (y = 0; y < 8; y++) {
    421        const uint8_t *cm_in = cm + src[-1];
    422        src[0] = cm_in[top[0]];
    423        src[1] = cm_in[top[1]];
    424        src[2] = cm_in[top[2]];
    425        src[3] = cm_in[top[3]];
    426        src[4] = cm_in[top[4]];
    427        src[5] = cm_in[top[5]];
    428        src[6] = cm_in[top[6]];
    429        src[7] = cm_in[top[7]];
    430        src += stride;
    431    }
    432 }
    433 
    434 /**
    435 * Set the intra prediction function pointers.
    436 */
    437 av_cold void ff_h264_pred_init(H264PredContext *h, int codec_id,
    438                               const int bit_depth,
    439                               int chroma_format_idc)
    440 {
    441 #undef FUNC
    442 #undef FUNCC
    443 #define FUNC(a, depth) a ## _ ## depth
    444 #define FUNCC(a, depth) a ## _ ## depth ## _c
    445 #define FUNCD(a) a ## _c
    446 
    447 #define H264_PRED(depth) \
    448    h->pred4x4[VERT_PRED           ] = FUNCC(pred4x4_vertical,        depth);\
    449    h->pred4x4[HOR_PRED            ] = FUNCC(pred4x4_horizontal,      depth);\
    450    h->pred4x4[DC_PRED             ] = FUNCC(pred4x4_dc,              depth);\
    451    h->pred4x4[DIAG_DOWN_LEFT_PRED ] = FUNCC(pred4x4_down_left,       depth);\
    452    h->pred4x4[DIAG_DOWN_RIGHT_PRED] = FUNCC(pred4x4_down_right,      depth);\
    453    h->pred4x4[VERT_RIGHT_PRED     ] = FUNCC(pred4x4_vertical_right,  depth);\
    454    h->pred4x4[HOR_DOWN_PRED       ] = FUNCC(pred4x4_horizontal_down, depth);\
    455    h->pred4x4[VERT_LEFT_PRED      ] = FUNCC(pred4x4_vertical_left,   depth);\
    456    h->pred4x4[HOR_UP_PRED         ] = FUNCC(pred4x4_horizontal_up,   depth);\
    457    h->pred4x4[LEFT_DC_PRED        ] = FUNCC(pred4x4_left_dc,         depth);\
    458    h->pred4x4[TOP_DC_PRED         ] = FUNCC(pred4x4_top_dc,          depth);\
    459    if (depth > 8 || codec_id != AV_CODEC_ID_VP8)\
    460        h->pred4x4[DC_128_PRED     ] = FUNCC(pred4x4_128_dc,          depth);\
    461 \
    462    h->pred8x8l[VERT_PRED           ]= FUNCC(pred8x8l_vertical            , depth);\
    463    h->pred8x8l[HOR_PRED            ]= FUNCC(pred8x8l_horizontal          , depth);\
    464    h->pred8x8l[DC_PRED             ]= FUNCC(pred8x8l_dc                  , depth);\
    465    h->pred8x8l[DIAG_DOWN_LEFT_PRED ]= FUNCC(pred8x8l_down_left           , depth);\
    466    h->pred8x8l[DIAG_DOWN_RIGHT_PRED]= FUNCC(pred8x8l_down_right          , depth);\
    467    h->pred8x8l[VERT_RIGHT_PRED     ]= FUNCC(pred8x8l_vertical_right      , depth);\
    468    h->pred8x8l[HOR_DOWN_PRED       ]= FUNCC(pred8x8l_horizontal_down     , depth);\
    469    h->pred8x8l[VERT_LEFT_PRED      ]= FUNCC(pred8x8l_vertical_left       , depth);\
    470    h->pred8x8l[HOR_UP_PRED         ]= FUNCC(pred8x8l_horizontal_up       , depth);\
    471    h->pred8x8l[LEFT_DC_PRED        ]= FUNCC(pred8x8l_left_dc             , depth);\
    472    h->pred8x8l[TOP_DC_PRED         ]= FUNCC(pred8x8l_top_dc              , depth);\
    473    h->pred8x8l[DC_128_PRED         ]= FUNCC(pred8x8l_128_dc              , depth);\
    474 \
    475    if (chroma_format_idc <= 1) {\
    476        h->pred8x8[VERT_PRED8x8   ]= FUNCC(pred8x8_vertical               , depth);\
    477        h->pred8x8[HOR_PRED8x8    ]= FUNCC(pred8x8_horizontal             , depth);\
    478        h->pred8x8[PLANE_PRED8x8] = FUNCC(pred8x8_plane,       depth);\
    479    } else {\
    480        h->pred8x8[VERT_PRED8x8   ]= FUNCC(pred8x16_vertical              , depth);\
    481        h->pred8x8[HOR_PRED8x8    ]= FUNCC(pred8x16_horizontal            , depth);\
    482        h->pred8x8[PLANE_PRED8x8] = FUNCC(pred8x16_plane,      depth);\
    483    }\
    484    if (depth > 8 || (codec_id != AV_CODEC_ID_RV40 && \
    485                      codec_id != AV_CODEC_ID_VP7  && \
    486                      codec_id != AV_CODEC_ID_VP8)) { \
    487        if (chroma_format_idc <= 1) {\
    488            h->pred8x8[DC_PRED8x8     ]= FUNCC(pred8x8_dc                     , depth);\
    489            h->pred8x8[LEFT_DC_PRED8x8]= FUNCC(pred8x8_left_dc                , depth);\
    490            h->pred8x8[TOP_DC_PRED8x8 ]= FUNCC(pred8x8_top_dc                 , depth);\
    491            h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8 ]= FUNC(pred8x8_mad_cow_dc_l0t, depth);\
    492            h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8 ]= FUNC(pred8x8_mad_cow_dc_0lt, depth);\
    493            h->pred8x8[ALZHEIMER_DC_L00_PRED8x8 ]= FUNC(pred8x8_mad_cow_dc_l00, depth);\
    494            h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8 ]= FUNC(pred8x8_mad_cow_dc_0l0, depth);\
    495        } else {\
    496            h->pred8x8[DC_PRED8x8     ]= FUNCC(pred8x16_dc                    , depth);\
    497            h->pred8x8[LEFT_DC_PRED8x8]= FUNCC(pred8x16_left_dc               , depth);\
    498            h->pred8x8[TOP_DC_PRED8x8 ]= FUNCC(pred8x16_top_dc                , depth);\
    499            h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8 ]= FUNC(pred8x16_mad_cow_dc_l0t, depth);\
    500            h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8 ]= FUNC(pred8x16_mad_cow_dc_0lt, depth);\
    501            h->pred8x8[ALZHEIMER_DC_L00_PRED8x8 ]= FUNC(pred8x16_mad_cow_dc_l00, depth);\
    502            h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8 ]= FUNC(pred8x16_mad_cow_dc_0l0, depth);\
    503        }\
    504    }else{\
    505        h->pred8x8[DC_PRED8x8     ]= FUNCD(pred8x8_dc_rv40);\
    506        h->pred8x8[LEFT_DC_PRED8x8]= FUNCD(pred8x8_left_dc_rv40);\
    507        h->pred8x8[TOP_DC_PRED8x8 ]= FUNCD(pred8x8_top_dc_rv40);\
    508    }\
    509    if (chroma_format_idc <= 1) {\
    510        h->pred8x8[DC_128_PRED8x8 ]= FUNCC(pred8x8_128_dc                 , depth);\
    511    } else {\
    512        h->pred8x8[DC_128_PRED8x8 ]= FUNCC(pred8x16_128_dc                , depth);\
    513    }\
    514 \
    515    h->pred16x16[DC_PRED8x8     ]= FUNCC(pred16x16_dc                     , depth);\
    516    h->pred16x16[VERT_PRED8x8   ]= FUNCC(pred16x16_vertical               , depth);\
    517    h->pred16x16[HOR_PRED8x8    ]= FUNCC(pred16x16_horizontal             , depth);\
    518    h->pred16x16[PLANE_PRED8x8  ]= FUNCC(pred16x16_plane                  , depth);\
    519    h->pred16x16[LEFT_DC_PRED8x8]= FUNCC(pred16x16_left_dc                , depth);\
    520    h->pred16x16[TOP_DC_PRED8x8 ]= FUNCC(pred16x16_top_dc                 , depth);\
    521    h->pred16x16[DC_128_PRED8x8 ]= FUNCC(pred16x16_128_dc                 , depth);\
    522 \
    523    /* special lossless h/v prediction for H.264 */ \
    524    h->pred4x4_add  [VERT_PRED   ]= FUNCC(pred4x4_vertical_add            , depth);\
    525    h->pred4x4_add  [ HOR_PRED   ]= FUNCC(pred4x4_horizontal_add          , depth);\
    526    h->pred8x8l_add [VERT_PRED   ]= FUNCC(pred8x8l_vertical_add           , depth);\
    527    h->pred8x8l_add [ HOR_PRED   ]= FUNCC(pred8x8l_horizontal_add         , depth);\
    528    h->pred8x8l_filter_add [VERT_PRED   ]= FUNCC(pred8x8l_vertical_filter_add           , depth);\
    529    h->pred8x8l_filter_add [ HOR_PRED   ]= FUNCC(pred8x8l_horizontal_filter_add         , depth);\
    530    if (chroma_format_idc <= 1) {\
    531        h->pred8x8_add[VERT_PRED8x8] = FUNCC(pred8x8_vertical_add,    depth);\
    532        h->pred8x8_add[ HOR_PRED8x8] = FUNCC(pred8x8_horizontal_add,  depth);\
    533    } else {\
    534        h->pred8x8_add  [VERT_PRED8x8]= FUNCC(pred8x16_vertical_add            , depth);\
    535        h->pred8x8_add  [ HOR_PRED8x8]= FUNCC(pred8x16_horizontal_add          , depth);\
    536    }\
    537    h->pred16x16_add[VERT_PRED8x8]= FUNCC(pred16x16_vertical_add          , depth);\
    538    h->pred16x16_add[ HOR_PRED8x8]= FUNCC(pred16x16_horizontal_add        , depth);\
    539 
    540    switch (bit_depth) {
    541        case 9:
    542            H264_PRED(9)
    543            break;
    544        case 10:
    545            H264_PRED(10)
    546            break;
    547        case 12:
    548            H264_PRED(12)
    549            break;
    550        case 14:
    551            H264_PRED(14)
    552            break;
    553        default:
    554            av_assert0(bit_depth<=8);
    555            H264_PRED(8)
    556            switch (codec_id) {
    557            case AV_CODEC_ID_SVQ3:
    558                h->pred4x4[DIAG_DOWN_LEFT_PRED] = FUNCD(pred4x4_down_left_svq3);
    559                h->pred16x16[PLANE_PRED8x8    ] = FUNCD(pred16x16_plane_svq3);
    560                break;
    561            case AV_CODEC_ID_RV40:
    562                h->pred4x4[DIAG_DOWN_LEFT_PRED] = FUNCD(pred4x4_down_left_rv40);
    563                h->pred4x4[VERT_LEFT_PRED     ] = FUNCD(pred4x4_vertical_left_rv40);
    564                h->pred4x4[HOR_UP_PRED        ] = FUNCD(pred4x4_horizontal_up_rv40);
    565                h->pred4x4[DIAG_DOWN_LEFT_PRED_RV40_NODOWN] = FUNCD(pred4x4_down_left_rv40_nodown);
    566                h->pred4x4[HOR_UP_PRED_RV40_NODOWN] = FUNCD(pred4x4_horizontal_up_rv40_nodown);
    567                h->pred4x4[VERT_LEFT_PRED_RV40_NODOWN] = FUNCD(pred4x4_vertical_left_rv40_nodown);
    568                h->pred16x16[PLANE_PRED8x8    ] = FUNCD(pred16x16_plane_rv40);
    569                break;
    570            case AV_CODEC_ID_VP7:
    571            case AV_CODEC_ID_VP8:
    572                h->pred4x4[VERT_PRED       ] = FUNCD(pred4x4_vertical_vp8);
    573                h->pred4x4[HOR_PRED        ] = FUNCD(pred4x4_horizontal_vp8);
    574                h->pred4x4[VERT_LEFT_PRED  ] = FUNCD(pred4x4_vertical_left_vp8);
    575                h->pred4x4[TM_VP8_PRED     ] = FUNCD(pred4x4_tm_vp8);
    576                h->pred4x4[VERT_VP8_PRED   ] = FUNCC(pred4x4_vertical, 8);
    577                h->pred4x4[DC_127_PRED     ] = FUNCD(pred4x4_127_dc);
    578                h->pred4x4[DC_129_PRED     ] = FUNCD(pred4x4_129_dc);
    579                h->pred4x4[HOR_VP8_PRED    ] = FUNCC(pred4x4_horizontal, 8);
    580                h->pred8x8[PLANE_PRED8x8   ] = FUNCD(pred8x8_tm_vp8);
    581                h->pred8x8[DC_127_PRED8x8  ] = FUNCC(pred8x8_127_dc, 8);
    582                h->pred8x8[DC_129_PRED8x8  ] = FUNCC(pred8x8_129_dc, 8);
    583                h->pred16x16[PLANE_PRED8x8 ] = FUNCD(pred16x16_tm_vp8);
    584                h->pred16x16[DC_127_PRED8x8] = FUNCC(pred16x16_127_dc, 8);
    585                h->pred16x16[DC_129_PRED8x8] = FUNCC(pred16x16_129_dc, 8);
    586                break;
    587            }
    588            break;
    589    }
    590 
    591 #if ARCH_AARCH64
    592    ff_h264_pred_init_aarch64(h, codec_id, bit_depth, chroma_format_idc);
    593 #elif ARCH_ARM
    594    ff_h264_pred_init_arm(h, codec_id, bit_depth, chroma_format_idc);
    595 #elif ARCH_X86
    596    ff_h264_pred_init_x86(h, codec_id, bit_depth, chroma_format_idc);
    597 #elif ARCH_MIPS
    598    ff_h264_pred_init_mips(h, codec_id, bit_depth, chroma_format_idc);
    599 #elif ARCH_LOONGARCH
    600    ff_h264_pred_init_loongarch(h, codec_id, bit_depth, chroma_format_idc);
    601 #endif
    602 }