LCOV - code coverage report
Current view: top level - libavcodec - cavs.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 470 487 96.5 %
Date: 2017-12-17 04:34:43 Functions: 27 27 100.0 %

          Line data    Source code
       1             : /*
       2             :  * Chinese AVS video (AVS1-P2, JiZhun profile) decoder.
       3             :  * Copyright (c) 2006  Stefan Gehrer <stefan.gehrer@gmx.de>
       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             :  * Chinese AVS video (AVS1-P2, JiZhun profile) decoder
      25             :  * @author Stefan Gehrer <stefan.gehrer@gmx.de>
      26             :  */
      27             : 
      28             : #include "avcodec.h"
      29             : #include "get_bits.h"
      30             : #include "golomb.h"
      31             : #include "h264chroma.h"
      32             : #include "idctdsp.h"
      33             : #include "internal.h"
      34             : #include "mathops.h"
      35             : #include "qpeldsp.h"
      36             : #include "cavs.h"
      37             : 
      38             : static const uint8_t alpha_tab[64] = {
      39             :      0,  0,  0,  0,  0,  0,  1,  1,  1,  1,  1,  2,  2,  2,  3,  3,
      40             :      4,  4,  5,  5,  6,  7,  8,  9, 10, 11, 12, 13, 15, 16, 18, 20,
      41             :     22, 24, 26, 28, 30, 33, 33, 35, 35, 36, 37, 37, 39, 39, 42, 44,
      42             :     46, 48, 50, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64
      43             : };
      44             : 
      45             : static const uint8_t beta_tab[64] = {
      46             :      0,  0,  0,  0,  0,  0,  1,  1,  1,  1,  1,  1,  1,  2,  2,  2,
      47             :      2,  2,  3,  3,  3,  3,  4,  4,  4,  4,  5,  5,  5,  5,  6,  6,
      48             :      6,  7,  7,  7,  8,  8,  8,  9,  9, 10, 10, 11, 11, 12, 13, 14,
      49             :     15, 16, 17, 18, 19, 20, 21, 22, 23, 23, 24, 24, 25, 25, 26, 27
      50             : };
      51             : 
      52             : static const uint8_t tc_tab[64] = {
      53             :     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
      54             :     1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2,
      55             :     2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4,
      56             :     5, 5, 5, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9
      57             : };
      58             : 
      59             : /** mark block as unavailable, i.e. out of picture
      60             :  *  or not yet decoded */
      61             : static const cavs_vector un_mv = { 0, 0, 1, NOT_AVAIL };
      62             : 
      63             : static const int8_t left_modifier_l[8] = {  0, -1,  6, -1, -1, 7, 6, 7 };
      64             : static const int8_t top_modifier_l[8]  = { -1,  1,  5, -1, -1, 5, 7, 7 };
      65             : static const int8_t left_modifier_c[7] = {  5, -1,  2, -1,  6, 5, 6 };
      66             : static const int8_t top_modifier_c[7]  = {  4,  1, -1, -1,  4, 6, 6 };
      67             : 
      68             : /*****************************************************************************
      69             :  *
      70             :  * in-loop deblocking filter
      71             :  *
      72             :  ****************************************************************************/
      73             : 
      74     1796462 : static inline int get_bs(cavs_vector *mvP, cavs_vector *mvQ, int b)
      75             : {
      76     1796462 :     if ((mvP->ref == REF_INTRA) || (mvQ->ref == REF_INTRA))
      77       15674 :         return 2;
      78     3456358 :     if((abs(mvP->x - mvQ->x) >= 4) ||
      79     3289843 :        (abs(mvP->y - mvQ->y) >= 4) ||
      80     1614273 :        (mvP->ref != mvQ->ref))
      81      303677 :         return 1;
      82     1477111 :     if (b) {
      83     1220352 :         mvP += MV_BWD_OFFS;
      84     1220352 :         mvQ += MV_BWD_OFFS;
      85     2426423 :         if((abs(mvP->x - mvQ->x) >= 4) ||
      86     2403688 :            (abs(mvP->y - mvQ->y) >= 4) ||
      87     1197617 :            (mvP->ref != mvQ->ref))
      88       67621 :             return 1;
      89             :     }
      90     1409490 :     return 0;
      91             : }
      92             : 
      93             : #define SET_PARAMS                                                \
      94             :     alpha = alpha_tab[av_clip_uintp2(qp_avg + h->alpha_offset, 6)];  \
      95             :     beta  =  beta_tab[av_clip_uintp2(qp_avg + h->beta_offset,  6)];  \
      96             :     tc    =    tc_tab[av_clip_uintp2(qp_avg + h->alpha_offset, 6)];
      97             : 
      98             : /**
      99             :  * in-loop deblocking filter for a single macroblock
     100             :  *
     101             :  * boundary strength (bs) mapping:
     102             :  *
     103             :  * --4---5--
     104             :  * 0   2   |
     105             :  * | 6 | 7 |
     106             :  * 1   3   |
     107             :  * ---------
     108             :  */
     109      298080 : void ff_cavs_filter(AVSContext *h, enum cavs_mb mb_type)
     110             : {
     111             :     uint8_t bs[8];
     112             :     int qp_avg, alpha, beta, tc;
     113             :     int i;
     114             : 
     115             :     /* save un-deblocked lines */
     116      298080 :     h->topleft_border_y = h->top_border_y[h->mbx * 16 + 15];
     117      298080 :     h->topleft_border_u = h->top_border_u[h->mbx * 10 + 8];
     118      298080 :     h->topleft_border_v = h->top_border_v[h->mbx * 10 + 8];
     119      298080 :     memcpy(&h->top_border_y[h->mbx * 16],     h->cy + 15 * h->l_stride, 16);
     120      298080 :     memcpy(&h->top_border_u[h->mbx * 10 + 1], h->cu +  7 * h->c_stride, 8);
     121      298080 :     memcpy(&h->top_border_v[h->mbx * 10 + 1], h->cv +  7 * h->c_stride, 8);
     122     2682720 :     for (i = 0; i < 8; i++) {
     123     2384640 :         h->left_border_y[i * 2 + 1] = *(h->cy + 15 + (i * 2 + 0) * h->l_stride);
     124     2384640 :         h->left_border_y[i * 2 + 2] = *(h->cy + 15 + (i * 2 + 1) * h->l_stride);
     125     2384640 :         h->left_border_u[i + 1]     = *(h->cu + 7  +  i          * h->c_stride);
     126     2384640 :         h->left_border_v[i + 1]     = *(h->cv + 7  +  i          * h->c_stride);
     127             :     }
     128      298080 :     if (!h->loop_filter_disable) {
     129             :         /* determine bs */
     130      298080 :         if (mb_type == I_8X8)
     131       25344 :             memset(bs, 2, 8);
     132             :         else {
     133      272736 :             memset(bs, 0, 8);
     134      272736 :             if (ff_cavs_partition_flags[mb_type] & SPLITV) {
     135      175739 :                 bs[2] = get_bs(&h->mv[MV_FWD_X0], &h->mv[MV_FWD_X1], mb_type > P_8X8);
     136      175739 :                 bs[3] = get_bs(&h->mv[MV_FWD_X2], &h->mv[MV_FWD_X3], mb_type > P_8X8);
     137             :             }
     138      272736 :             if (ff_cavs_partition_flags[mb_type] & SPLITH) {
     139      177020 :                 bs[6] = get_bs(&h->mv[MV_FWD_X0], &h->mv[MV_FWD_X2], mb_type > P_8X8);
     140      177020 :                 bs[7] = get_bs(&h->mv[MV_FWD_X1], &h->mv[MV_FWD_X3], mb_type > P_8X8);
     141             :             }
     142      272736 :             bs[0] = get_bs(&h->mv[MV_FWD_A1], &h->mv[MV_FWD_X0], mb_type > P_8X8);
     143      272736 :             bs[1] = get_bs(&h->mv[MV_FWD_A3], &h->mv[MV_FWD_X2], mb_type > P_8X8);
     144      272736 :             bs[4] = get_bs(&h->mv[MV_FWD_B2], &h->mv[MV_FWD_X0], mb_type > P_8X8);
     145      272736 :             bs[5] = get_bs(&h->mv[MV_FWD_B3], &h->mv[MV_FWD_X1], mb_type > P_8X8);
     146             :         }
     147      298080 :         if (AV_RN64(bs)) {
     148      134408 :             if (h->flags & A_AVAIL) {
     149      127784 :                 qp_avg = (h->qp + h->left_qp + 1) >> 1;
     150      127784 :                 SET_PARAMS;
     151      127784 :                 h->cdsp.cavs_filter_lv(h->cy, h->l_stride, alpha, beta, tc, bs[0], bs[1]);
     152      127784 :                 qp_avg = (ff_cavs_chroma_qp[h->qp] + ff_cavs_chroma_qp[h->left_qp] + 1) >> 1;
     153      127784 :                 SET_PARAMS;
     154      127784 :                 h->cdsp.cavs_filter_cv(h->cu, h->c_stride, alpha, beta, tc, bs[0], bs[1]);
     155      127784 :                 h->cdsp.cavs_filter_cv(h->cv, h->c_stride, alpha, beta, tc, bs[0], bs[1]);
     156             :             }
     157      134408 :             qp_avg = h->qp;
     158      134408 :             SET_PARAMS;
     159      134408 :             h->cdsp.cavs_filter_lv(h->cy + 8,               h->l_stride, alpha, beta, tc, bs[2], bs[3]);
     160      134408 :             h->cdsp.cavs_filter_lh(h->cy + 8 * h->l_stride, h->l_stride, alpha, beta, tc, bs[6], bs[7]);
     161             : 
     162      134408 :             if (h->flags & B_AVAIL) {
     163      126128 :                 qp_avg = (h->qp + h->top_qp[h->mbx] + 1) >> 1;
     164      126128 :                 SET_PARAMS;
     165      126128 :                 h->cdsp.cavs_filter_lh(h->cy, h->l_stride, alpha, beta, tc, bs[4], bs[5]);
     166      126128 :                 qp_avg = (ff_cavs_chroma_qp[h->qp] + ff_cavs_chroma_qp[h->top_qp[h->mbx]] + 1) >> 1;
     167      126128 :                 SET_PARAMS;
     168      126128 :                 h->cdsp.cavs_filter_ch(h->cu, h->c_stride, alpha, beta, tc, bs[4], bs[5]);
     169      126128 :                 h->cdsp.cavs_filter_ch(h->cv, h->c_stride, alpha, beta, tc, bs[4], bs[5]);
     170             :             }
     171             :         }
     172             :     }
     173      298080 :     h->left_qp        = h->qp;
     174      298080 :     h->top_qp[h->mbx] = h->qp;
     175      298080 : }
     176             : 
     177             : #undef SET_PARAMS
     178             : 
     179             : /*****************************************************************************
     180             :  *
     181             :  * spatial intra prediction
     182             :  *
     183             :  ****************************************************************************/
     184             : 
     185      101376 : void ff_cavs_load_intra_pred_luma(AVSContext *h, uint8_t *top,
     186             :                                   uint8_t **left, int block)
     187             : {
     188             :     int i;
     189             : 
     190      101376 :     switch (block) {
     191       25344 :     case 0:
     192       25344 :         *left               = h->left_border_y;
     193       25344 :         h->left_border_y[0] = h->left_border_y[1];
     194       25344 :         memset(&h->left_border_y[17], h->left_border_y[16], 9);
     195       25344 :         memcpy(&top[1], &h->top_border_y[h->mbx * 16], 16);
     196       25344 :         top[17] = top[16];
     197       25344 :         top[0]  = top[1];
     198       25344 :         if ((h->flags & A_AVAIL) && (h->flags & B_AVAIL))
     199       24410 :             h->left_border_y[0] = top[0] = h->topleft_border_y;
     200       25344 :         break;
     201       25344 :     case 1:
     202       25344 :         *left = h->intern_border_y;
     203      228096 :         for (i = 0; i < 8; i++)
     204      202752 :             h->intern_border_y[i + 1] = *(h->cy + 7 + i * h->l_stride);
     205       25344 :         memset(&h->intern_border_y[9], h->intern_border_y[8], 9);
     206       25344 :         h->intern_border_y[0] = h->intern_border_y[1];
     207       25344 :         memcpy(&top[1], &h->top_border_y[h->mbx * 16 + 8], 8);
     208       25344 :         if (h->flags & C_AVAIL)
     209       24175 :             memcpy(&top[9], &h->top_border_y[(h->mbx + 1) * 16], 8);
     210             :         else
     211        1169 :             memset(&top[9], top[8], 9);
     212       25344 :         top[17] = top[16];
     213       25344 :         top[0]  = top[1];
     214       25344 :         if (h->flags & B_AVAIL)
     215       24808 :             h->intern_border_y[0] = top[0] = h->top_border_y[h->mbx * 16 + 7];
     216       25344 :         break;
     217       25344 :     case 2:
     218       25344 :         *left = &h->left_border_y[8];
     219       25344 :         memcpy(&top[1], h->cy + 7 * h->l_stride, 16);
     220       25344 :         top[17] = top[16];
     221       25344 :         top[0]  = top[1];
     222       25344 :         if (h->flags & A_AVAIL)
     223       24937 :             top[0] = h->left_border_y[8];
     224       25344 :         break;
     225       25344 :     case 3:
     226       25344 :         *left = &h->intern_border_y[8];
     227      228096 :         for (i = 0; i < 8; i++)
     228      202752 :             h->intern_border_y[i + 9] = *(h->cy + 7 + (i + 8) * h->l_stride);
     229       25344 :         memset(&h->intern_border_y[17], h->intern_border_y[16], 9);
     230       25344 :         memcpy(&top[0], h->cy + 7 + 7 * h->l_stride, 9);
     231       25344 :         memset(&top[9], top[8], 9);
     232       25344 :         break;
     233             :     }
     234      101376 : }
     235             : 
     236       25344 : void ff_cavs_load_intra_pred_chroma(AVSContext *h)
     237             : {
     238             :     /* extend borders by one pixel */
     239       25344 :     h->left_border_u[9]              = h->left_border_u[8];
     240       25344 :     h->left_border_v[9]              = h->left_border_v[8];
     241       25344 :     if(h->flags & C_AVAIL) {
     242       24175 :         h->top_border_u[h->mbx*10 + 9] = h->top_border_u[h->mbx*10 + 11];
     243       24175 :         h->top_border_v[h->mbx*10 + 9] = h->top_border_v[h->mbx*10 + 11];
     244             :     } else {
     245        1169 :         h->top_border_u[h->mbx * 10 + 9] = h->top_border_u[h->mbx * 10 + 8];
     246        1169 :         h->top_border_v[h->mbx * 10 + 9] = h->top_border_v[h->mbx * 10 + 8];
     247             :     }
     248       25344 :     if((h->flags & A_AVAIL) && (h->flags & B_AVAIL)) {
     249       24410 :         h->top_border_u[h->mbx * 10] = h->left_border_u[0] = h->topleft_border_u;
     250       24410 :         h->top_border_v[h->mbx * 10] = h->left_border_v[0] = h->topleft_border_v;
     251             :     } else {
     252         934 :         h->left_border_u[0]          = h->left_border_u[1];
     253         934 :         h->left_border_v[0]          = h->left_border_v[1];
     254         934 :         h->top_border_u[h->mbx * 10] = h->top_border_u[h->mbx * 10 + 1];
     255         934 :         h->top_border_v[h->mbx * 10] = h->top_border_v[h->mbx * 10 + 1];
     256             :     }
     257       25344 : }
     258             : 
     259       45576 : static void intra_pred_vert(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride)
     260             : {
     261             :     int y;
     262       45576 :     uint64_t a = AV_RN64(&top[1]);
     263      410184 :     for (y = 0; y < 8; y++)
     264      364608 :         *((uint64_t *)(d + y * stride)) = a;
     265       45576 : }
     266             : 
     267       33618 : static void intra_pred_horiz(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride)
     268             : {
     269             :     int y;
     270             :     uint64_t a;
     271      302562 :     for (y = 0; y < 8; y++) {
     272      268944 :         a = left[y + 1] * 0x0101010101010101ULL;
     273      268944 :         *((uint64_t *)(d + y * stride)) = a;
     274             :     }
     275       33618 : }
     276             : 
     277          27 : static void intra_pred_dc_128(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride)
     278             : {
     279             :     int y;
     280          27 :     uint64_t a = 0x8080808080808080ULL;
     281         243 :     for (y = 0; y < 8; y++)
     282         216 :         *((uint64_t *)(d + y * stride)) = a;
     283          27 : }
     284             : 
     285        2756 : static void intra_pred_plane(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride)
     286             : {
     287             :     int x, y, ia;
     288        2756 :     int ih = 0;
     289        2756 :     int iv = 0;
     290        2756 :     const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;
     291             : 
     292       13780 :     for (x = 0; x < 4; x++) {
     293       11024 :         ih += (x + 1) *  (top[5 + x] -  top[3 - x]);
     294       11024 :         iv += (x + 1) * (left[5 + x] - left[3 - x]);
     295             :     }
     296        2756 :     ia = (top[8] + left[8]) << 4;
     297        2756 :     ih = (17 * ih + 16) >> 5;
     298        2756 :     iv = (17 * iv + 16) >> 5;
     299       24804 :     for (y = 0; y < 8; y++)
     300      198432 :         for (x = 0; x < 8; x++)
     301      176384 :             d[y * stride + x] = cm[(ia + (x - 3) * ih + (y - 3) * iv + 16) >> 5];
     302        2756 : }
     303             : 
     304             : #define LOWPASS(ARRAY, INDEX)                                           \
     305             :     ((ARRAY[(INDEX) - 1] + 2 * ARRAY[(INDEX)] + ARRAY[(INDEX) + 1] + 2) >> 2)
     306             : 
     307       61656 : static void intra_pred_lp(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride)
     308             : {
     309             :     int x, y;
     310      554904 :     for (y = 0; y < 8; y++)
     311     4439232 :         for (x = 0; x < 8; x++)
     312     3945984 :             d[y * stride + x] = (LOWPASS(top, x + 1) + LOWPASS(left, y + 1)) >> 1;
     313       61656 : }
     314             : 
     315        2887 : static void intra_pred_down_left(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride)
     316             : {
     317             :     int x, y;
     318       25983 :     for (y = 0; y < 8; y++)
     319      207864 :         for (x = 0; x < 8; x++)
     320      184768 :             d[y * stride + x] = (LOWPASS(top, x + y + 2) + LOWPASS(left, x + y + 2)) >> 1;
     321        2887 : }
     322             : 
     323        1826 : static void intra_pred_down_right(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride)
     324             : {
     325             :     int x, y;
     326       16434 :     for (y = 0; y < 8; y++)
     327      131472 :         for (x = 0; x < 8; x++)
     328      116864 :             if (x == y)
     329       14608 :                 d[y * stride + x] = (left[1] + 2 * top[0] + top[1] + 2) >> 2;
     330      102256 :             else if (x > y)
     331       51128 :                 d[y * stride + x] = LOWPASS(top, x - y);
     332             :             else
     333       51128 :                 d[y * stride + x] = LOWPASS(left, y - x);
     334        1826 : }
     335             : 
     336        2117 : static void intra_pred_lp_left(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride)
     337             : {
     338             :     int x, y;
     339       19053 :     for (y = 0; y < 8; y++)
     340      152424 :         for (x = 0; x < 8; x++)
     341      135488 :             d[y * stride + x] = LOWPASS(left, y + 1);
     342        2117 : }
     343             : 
     344        1601 : static void intra_pred_lp_top(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride)
     345             : {
     346             :     int x, y;
     347       14409 :     for (y = 0; y < 8; y++)
     348      115272 :         for (x = 0; x < 8; x++)
     349      102464 :             d[y * stride + x] = LOWPASS(top, x + 1);
     350        1601 : }
     351             : 
     352             : #undef LOWPASS
     353             : 
     354        2829 : static inline void modify_pred(const int8_t *mod_table, int *mode)
     355             : {
     356        2829 :     *mode = mod_table[*mode];
     357        2829 :     if (*mode < 0) {
     358           0 :         av_log(NULL, AV_LOG_ERROR, "Illegal intra prediction mode\n");
     359           0 :         *mode = 0;
     360             :     }
     361        2829 : }
     362             : 
     363       25344 : void ff_cavs_modify_mb_i(AVSContext *h, int *pred_mode_uv)
     364             : {
     365             :     /* save pred modes before they get modified */
     366       25344 :     h->pred_mode_Y[3]             = h->pred_mode_Y[5];
     367       25344 :     h->pred_mode_Y[6]             = h->pred_mode_Y[8];
     368       25344 :     h->top_pred_Y[h->mbx * 2 + 0] = h->pred_mode_Y[7];
     369       25344 :     h->top_pred_Y[h->mbx * 2 + 1] = h->pred_mode_Y[8];
     370             : 
     371             :     /* modify pred modes according to availability of neighbour samples */
     372       25344 :     if (!(h->flags & A_AVAIL)) {
     373         407 :         modify_pred(left_modifier_l, &h->pred_mode_Y[4]);
     374         407 :         modify_pred(left_modifier_l, &h->pred_mode_Y[7]);
     375         407 :         modify_pred(left_modifier_c, pred_mode_uv);
     376             :     }
     377       25344 :     if (!(h->flags & B_AVAIL)) {
     378         536 :         modify_pred(top_modifier_l, &h->pred_mode_Y[4]);
     379         536 :         modify_pred(top_modifier_l, &h->pred_mode_Y[5]);
     380         536 :         modify_pred(top_modifier_c, pred_mode_uv);
     381             :     }
     382       25344 : }
     383             : 
     384             : /*****************************************************************************
     385             :  *
     386             :  * motion compensation
     387             :  *
     388             :  ****************************************************************************/
     389             : 
     390     1451677 : static inline void mc_dir_part(AVSContext *h, AVFrame *pic, int chroma_height,
     391             :                                int delta, int list, uint8_t *dest_y,
     392             :                                uint8_t *dest_cb, uint8_t *dest_cr,
     393             :                                int src_x_offset, int src_y_offset,
     394             :                                qpel_mc_func *qpix_op,
     395             :                                h264_chroma_mc_func chroma_op, cavs_vector *mv)
     396             : {
     397     1451677 :     const int mx         = mv->x + src_x_offset * 8;
     398     1451677 :     const int my         = mv->y + src_y_offset * 8;
     399     1451677 :     const int luma_xy    = (mx & 3) + ((my & 3) << 2);
     400     1451677 :     uint8_t *src_y       = pic->data[0] + (mx >> 2) + (my >> 2) * h->l_stride;
     401     1451677 :     uint8_t *src_cb      = pic->data[1] + (mx >> 3) + (my >> 3) * h->c_stride;
     402     1451677 :     uint8_t *src_cr      = pic->data[2] + (mx >> 3) + (my >> 3) * h->c_stride;
     403     1451677 :     int extra_width      = 0;
     404     1451677 :     int extra_height     = extra_width;
     405     1451677 :     const int full_mx    = mx >> 2;
     406     1451677 :     const int full_my    = my >> 2;
     407     1451677 :     const int pic_width  = 16 * h->mb_width;
     408     1451677 :     const int pic_height = 16 * h->mb_height;
     409     1451677 :     int emu = 0;
     410             : 
     411     1451677 :     if (!pic->data[0])
     412           0 :         return;
     413     1451677 :     if (mx & 7)
     414      120759 :         extra_width  -= 3;
     415     1451677 :     if (my & 7)
     416      125785 :         extra_height -= 3;
     417             : 
     418     2902414 :     if (full_mx < 0 - extra_width ||
     419     2899994 :         full_my < 0 - extra_height ||
     420     2883289 :         full_mx + 16 /* FIXME */ > pic_width + extra_width ||
     421     1434032 :         full_my + 16 /* FIXME */ > pic_height + extra_height) {
     422       75160 :         h->vdsp.emulated_edge_mc(h->edge_emu_buffer,
     423       37580 :                                  src_y - 2 - 2 * h->l_stride,
     424             :                                  h->l_stride, h->l_stride,
     425             :                                  16 + 5, 16 + 5 /* FIXME */,
     426             :                                  full_mx - 2, full_my - 2,
     427             :                                  pic_width, pic_height);
     428       37580 :         src_y = h->edge_emu_buffer + 2 + 2 * h->l_stride;
     429       37580 :         emu   = 1;
     430             :     }
     431             : 
     432             :     // FIXME try variable height perhaps?
     433     1451677 :     qpix_op[luma_xy](dest_y, src_y, h->l_stride);
     434             : 
     435     1451677 :     if (emu) {
     436       37580 :         h->vdsp.emulated_edge_mc(h->edge_emu_buffer, src_cb,
     437             :                                  h->c_stride, h->c_stride,
     438             :                                  9, 9 /* FIXME */,
     439             :                                  mx >> 3, my >> 3,
     440             :                                  pic_width >> 1, pic_height >> 1);
     441       37580 :         src_cb = h->edge_emu_buffer;
     442             :     }
     443     1451677 :     chroma_op(dest_cb, src_cb, h->c_stride, chroma_height, mx & 7, my & 7);
     444             : 
     445     1451677 :     if (emu) {
     446       37580 :         h->vdsp.emulated_edge_mc(h->edge_emu_buffer, src_cr,
     447             :                                  h->c_stride, h->c_stride,
     448             :                                  9, 9 /* FIXME */,
     449             :                                  mx >> 3, my >> 3,
     450             :                                  pic_width >> 1, pic_height >> 1);
     451       37580 :         src_cr = h->edge_emu_buffer;
     452             :     }
     453     1451677 :     chroma_op(dest_cr, src_cr, h->c_stride, chroma_height, mx & 7, my & 7);
     454             : }
     455             : 
     456      833580 : static inline void mc_part_std(AVSContext *h, int chroma_height, int delta,
     457             :                                uint8_t *dest_y,
     458             :                                uint8_t *dest_cb,
     459             :                                uint8_t *dest_cr,
     460             :                                int x_offset, int y_offset,
     461             :                                qpel_mc_func *qpix_put,
     462             :                                h264_chroma_mc_func chroma_put,
     463             :                                qpel_mc_func *qpix_avg,
     464             :                                h264_chroma_mc_func chroma_avg,
     465             :                                cavs_vector *mv)
     466             : {
     467      833580 :     qpel_mc_func *qpix_op =  qpix_put;
     468      833580 :     h264_chroma_mc_func chroma_op = chroma_put;
     469             : 
     470      833580 :     dest_y   += x_offset * 2 + y_offset * h->l_stride * 2;
     471      833580 :     dest_cb  += x_offset     + y_offset * h->c_stride;
     472      833580 :     dest_cr  += x_offset     + y_offset * h->c_stride;
     473      833580 :     x_offset += 8 * h->mbx;
     474      833580 :     y_offset += 8 * h->mby;
     475             : 
     476      833580 :     if (mv->ref >= 0) {
     477      790316 :         AVFrame *ref = h->DPB[mv->ref].f;
     478      790316 :         mc_dir_part(h, ref, chroma_height, delta, 0,
     479             :                     dest_y, dest_cb, dest_cr, x_offset, y_offset,
     480             :                     qpix_op, chroma_op, mv);
     481             : 
     482      790316 :         qpix_op   = qpix_avg;
     483      790316 :         chroma_op = chroma_avg;
     484             :     }
     485             : 
     486      833580 :     if ((mv + MV_BWD_OFFS)->ref >= 0) {
     487      661361 :         AVFrame *ref = h->DPB[0].f;
     488      661361 :         mc_dir_part(h, ref, chroma_height, delta, 1,
     489             :                     dest_y, dest_cb, dest_cr, x_offset, y_offset,
     490             :                     qpix_op, chroma_op, mv + MV_BWD_OFFS);
     491             :     }
     492      833580 : }
     493             : 
     494      272736 : void ff_cavs_inter(AVSContext *h, enum cavs_mb mb_type)
     495             : {
     496      272736 :     if (ff_cavs_partition_flags[mb_type] == 0) { // 16x16
     497      257364 :         mc_part_std(h, 8, 0, h->cy, h->cu, h->cv, 0, 0,
     498       85788 :                     h->cdsp.put_cavs_qpel_pixels_tab[0],
     499             :                     h->h264chroma.put_h264_chroma_pixels_tab[0],
     500       85788 :                     h->cdsp.avg_cavs_qpel_pixels_tab[0],
     501             :                     h->h264chroma.avg_h264_chroma_pixels_tab[0],
     502             :                     &h->mv[MV_FWD_X0]);
     503             :     } else {
     504      560844 :         mc_part_std(h, 4, 0, h->cy, h->cu, h->cv, 0, 0,
     505      186948 :                     h->cdsp.put_cavs_qpel_pixels_tab[1],
     506             :                     h->h264chroma.put_h264_chroma_pixels_tab[1],
     507      186948 :                     h->cdsp.avg_cavs_qpel_pixels_tab[1],
     508             :                     h->h264chroma.avg_h264_chroma_pixels_tab[1],
     509             :                     &h->mv[MV_FWD_X0]);
     510      560844 :         mc_part_std(h, 4, 0, h->cy, h->cu, h->cv, 4, 0,
     511      186948 :                     h->cdsp.put_cavs_qpel_pixels_tab[1],
     512             :                     h->h264chroma.put_h264_chroma_pixels_tab[1],
     513      186948 :                     h->cdsp.avg_cavs_qpel_pixels_tab[1],
     514             :                     h->h264chroma.avg_h264_chroma_pixels_tab[1],
     515             :                     &h->mv[MV_FWD_X1]);
     516      560844 :         mc_part_std(h, 4, 0, h->cy, h->cu, h->cv, 0, 4,
     517      186948 :                     h->cdsp.put_cavs_qpel_pixels_tab[1],
     518             :                     h->h264chroma.put_h264_chroma_pixels_tab[1],
     519      186948 :                     h->cdsp.avg_cavs_qpel_pixels_tab[1],
     520             :                     h->h264chroma.avg_h264_chroma_pixels_tab[1],
     521             :                     &h->mv[MV_FWD_X2]);
     522      560844 :         mc_part_std(h, 4, 0, h->cy, h->cu, h->cv, 4, 4,
     523      186948 :                     h->cdsp.put_cavs_qpel_pixels_tab[1],
     524             :                     h->h264chroma.put_h264_chroma_pixels_tab[1],
     525      186948 :                     h->cdsp.avg_cavs_qpel_pixels_tab[1],
     526             :                     h->h264chroma.avg_h264_chroma_pixels_tab[1],
     527             :                     &h->mv[MV_FWD_X3]);
     528             :     }
     529      272736 : }
     530             : 
     531             : /*****************************************************************************
     532             :  *
     533             :  * motion vector prediction
     534             :  *
     535             :  ****************************************************************************/
     536             : 
     537      512337 : static inline void scale_mv(AVSContext *h, int *d_x, int *d_y,
     538             :                             cavs_vector *src, int distp)
     539             : {
     540      512337 :     int64_t den = h->scale_den[FFMAX(src->ref, 0)];
     541      512337 :     *d_x = (src->x * distp * den + 256 + FF_SIGNBIT(src->x)) >> 9;
     542      512337 :     *d_y = (src->y * distp * den + 256 + FF_SIGNBIT(src->y)) >> 9;
     543      512337 : }
     544             : 
     545      170779 : static inline void mv_pred_median(AVSContext *h,
     546             :                                   cavs_vector *mvP,
     547             :                                   cavs_vector *mvA,
     548             :                                   cavs_vector *mvB,
     549             :                                   cavs_vector *mvC)
     550             : {
     551             :     int ax, ay, bx, by, cx, cy;
     552             :     int len_ab, len_bc, len_ca, len_mid;
     553             : 
     554             :     /* scale candidates according to their temporal span */
     555      170779 :     scale_mv(h, &ax, &ay, mvA, mvP->dist);
     556      170779 :     scale_mv(h, &bx, &by, mvB, mvP->dist);
     557      170779 :     scale_mv(h, &cx, &cy, mvC, mvP->dist);
     558             :     /* find the geometrical median of the three candidates */
     559      170779 :     len_ab  = abs(ax - bx) + abs(ay - by);
     560      170779 :     len_bc  = abs(bx - cx) + abs(by - cy);
     561      170779 :     len_ca  = abs(cx - ax) + abs(cy - ay);
     562      170779 :     len_mid = mid_pred(len_ab, len_bc, len_ca);
     563      170779 :     if (len_mid == len_ab) {
     564      138393 :         mvP->x = cx;
     565      138393 :         mvP->y = cy;
     566       32386 :     } else if (len_mid == len_bc) {
     567       24640 :         mvP->x = ax;
     568       24640 :         mvP->y = ay;
     569             :     } else {
     570        7746 :         mvP->x = bx;
     571        7746 :         mvP->y = by;
     572             :     }
     573      170779 : }
     574             : 
     575      239414 : void ff_cavs_mv(AVSContext *h, enum cavs_mv_loc nP, enum cavs_mv_loc nC,
     576             :                 enum cavs_mv_pred mode, enum cavs_block size, int ref)
     577             : {
     578      239414 :     cavs_vector *mvP = &h->mv[nP];
     579      239414 :     cavs_vector *mvA = &h->mv[nP-1];
     580      239414 :     cavs_vector *mvB = &h->mv[nP-4];
     581      239414 :     cavs_vector *mvC = &h->mv[nC];
     582      239414 :     const cavs_vector *mvP2 = NULL;
     583             : 
     584      239414 :     mvP->ref  = ref;
     585      239414 :     mvP->dist = h->dist[mvP->ref];
     586      239414 :     if (mvC->ref == NOT_AVAIL || (nP == MV_FWD_X3) || (nP == MV_BWD_X3 ))
     587       28254 :         mvC = &h->mv[nP - 5];  // set to top-left (mvD)
     588      260215 :     if (mode == MV_PRED_PSKIP &&
     589       40882 :         (mvA->ref == NOT_AVAIL ||
     590       39389 :          mvB->ref == NOT_AVAIL ||
     591       20158 :          (mvA->x | mvA->y | mvA->ref) == 0 ||
     592         850 :          (mvB->x | mvB->y | mvB->ref) == 0)) {
     593       20434 :         mvP2 = &un_mv;
     594             :     /* if there is only one suitable candidate, take it */
     595      218980 :     } else if (mvA->ref >= 0 && mvB->ref < 0  && mvC->ref < 0) {
     596       11224 :         mvP2 = mvA;
     597      207756 :     } else if (mvA->ref < 0  && mvB->ref >= 0 && mvC->ref < 0) {
     598        4577 :         mvP2 = mvB;
     599      203179 :     } else if (mvA->ref < 0  && mvB->ref < 0  && mvC->ref >= 0) {
     600        3525 :         mvP2 = mvC;
     601      199654 :     } else if (mode == MV_PRED_LEFT     && mvA->ref == ref) {
     602       14269 :         mvP2 = mvA;
     603      185385 :     } else if (mode == MV_PRED_TOP      && mvB->ref == ref) {
     604        7898 :         mvP2 = mvB;
     605      177487 :     } else if (mode == MV_PRED_TOPRIGHT && mvC->ref == ref) {
     606        6708 :         mvP2 = mvC;
     607             :     }
     608      239414 :     if (mvP2) {
     609       68635 :         mvP->x = mvP2->x;
     610       68635 :         mvP->y = mvP2->y;
     611             :     } else
     612      170779 :         mv_pred_median(h, mvP, mvA, mvB, mvC);
     613             : 
     614      239414 :     if (mode < MV_PRED_PSKIP) {
     615      189273 :         int mx = get_se_golomb(&h->gb) + (unsigned)mvP->x;
     616      189273 :         int my = get_se_golomb(&h->gb) + (unsigned)mvP->y;
     617             : 
     618      189273 :         if (mx != (int16_t)mx || my != (int16_t)my) {
     619           0 :             av_log(h->avctx, AV_LOG_ERROR, "MV %d %d out of supported range\n", mx, my);
     620             :         } else {
     621      189273 :             mvP->x = mx;
     622      189273 :             mvP->y = my;
     623             :         }
     624             :     }
     625      239414 :     set_mvs(mvP, size);
     626      239414 : }
     627             : 
     628             : /*****************************************************************************
     629             :  *
     630             :  * macroblock level
     631             :  *
     632             :  ****************************************************************************/
     633             : 
     634             : /**
     635             :  * initialise predictors for motion vectors and intra prediction
     636             :  */
     637      298080 : void ff_cavs_init_mb(AVSContext *h)
     638             : {
     639             :     int i;
     640             : 
     641             :     /* copy predictors from top line (MB B and C) into cache */
     642     1192320 :     for (i = 0; i < 3; i++) {
     643      894240 :         h->mv[MV_FWD_B2 + i] = h->top_mv[0][h->mbx * 2 + i];
     644      894240 :         h->mv[MV_BWD_B2 + i] = h->top_mv[1][h->mbx * 2 + i];
     645             :     }
     646      298080 :     h->pred_mode_Y[1] = h->top_pred_Y[h->mbx * 2 + 0];
     647      298080 :     h->pred_mode_Y[2] = h->top_pred_Y[h->mbx * 2 + 1];
     648             :     /* clear top predictors if MB B is not available */
     649      298080 :     if (!(h->flags & B_AVAIL)) {
     650        8280 :         h->mv[MV_FWD_B2]  = un_mv;
     651        8280 :         h->mv[MV_FWD_B3]  = un_mv;
     652        8280 :         h->mv[MV_BWD_B2]  = un_mv;
     653        8280 :         h->mv[MV_BWD_B3]  = un_mv;
     654        8280 :         h->pred_mode_Y[1] = h->pred_mode_Y[2] = NOT_AVAIL;
     655        8280 :         h->flags         &= ~(C_AVAIL | D_AVAIL);
     656      289800 :     } else if (h->mbx) {
     657      283360 :         h->flags |= D_AVAIL;
     658             :     }
     659      298080 :     if (h->mbx == h->mb_width - 1) // MB C not available
     660        6624 :         h->flags &= ~C_AVAIL;
     661             :     /* clear top-right predictors if MB C is not available */
     662      298080 :     if (!(h->flags & C_AVAIL)) {
     663       14720 :         h->mv[MV_FWD_C2] = un_mv;
     664       14720 :         h->mv[MV_BWD_C2] = un_mv;
     665             :     }
     666             :     /* clear top-left predictors if MB D is not available */
     667      298080 :     if (!(h->flags & D_AVAIL)) {
     668       14720 :         h->mv[MV_FWD_D3] = un_mv;
     669       14720 :         h->mv[MV_BWD_D3] = un_mv;
     670             :     }
     671      298080 : }
     672             : 
     673             : /**
     674             :  * save predictors for later macroblocks and increase
     675             :  * macroblock address
     676             :  * @return 0 if end of frame is reached, 1 otherwise
     677             :  */
     678      298080 : int ff_cavs_next_mb(AVSContext *h)
     679             : {
     680             :     int i;
     681             : 
     682      298080 :     h->flags |= A_AVAIL;
     683      298080 :     h->cy    += 16;
     684      298080 :     h->cu    += 8;
     685      298080 :     h->cv    += 8;
     686             :     /* copy mvs as predictors to the left */
     687     2086560 :     for (i = 0; i <= 20; i += 4)
     688     1788480 :         h->mv[i] = h->mv[i + 2];
     689             :     /* copy bottom mvs from cache to top line */
     690      298080 :     h->top_mv[0][h->mbx * 2 + 0] = h->mv[MV_FWD_X2];
     691      298080 :     h->top_mv[0][h->mbx * 2 + 1] = h->mv[MV_FWD_X3];
     692      298080 :     h->top_mv[1][h->mbx * 2 + 0] = h->mv[MV_BWD_X2];
     693      298080 :     h->top_mv[1][h->mbx * 2 + 1] = h->mv[MV_BWD_X3];
     694             :     /* next MB address */
     695      298080 :     h->mbidx++;
     696      298080 :     h->mbx++;
     697      298080 :     if (h->mbx == h->mb_width) { // New mb line
     698        6624 :         h->flags = B_AVAIL | C_AVAIL;
     699             :         /* clear left pred_modes */
     700        6624 :         h->pred_mode_Y[3] = h->pred_mode_Y[6] = NOT_AVAIL;
     701             :         /* clear left mv predictors */
     702       46368 :         for (i = 0; i <= 20; i += 4)
     703       39744 :             h->mv[i] = un_mv;
     704        6624 :         h->mbx = 0;
     705        6624 :         h->mby++;
     706             :         /* re-calculate sample pointers */
     707        6624 :         h->cy = h->cur.f->data[0] + h->mby * 16 * h->l_stride;
     708        6624 :         h->cu = h->cur.f->data[1] + h->mby * 8 * h->c_stride;
     709        6624 :         h->cv = h->cur.f->data[2] + h->mby * 8 * h->c_stride;
     710        6624 :         if (h->mby == h->mb_height) { // Frame end
     711         184 :             return 0;
     712             :         }
     713             :     }
     714      297896 :     return 1;
     715             : }
     716             : 
     717             : /*****************************************************************************
     718             :  *
     719             :  * frame level
     720             :  *
     721             :  ****************************************************************************/
     722             : 
     723         184 : int ff_cavs_init_pic(AVSContext *h)
     724             : {
     725             :     int i;
     726             : 
     727             :     /* clear some predictors */
     728        1288 :     for (i = 0; i <= 20; i += 4)
     729        1104 :         h->mv[i] = un_mv;
     730         184 :     h->mv[MV_BWD_X0] = ff_cavs_dir_mv;
     731         184 :     set_mvs(&h->mv[MV_BWD_X0], BLK_16X16);
     732         184 :     h->mv[MV_FWD_X0] = ff_cavs_dir_mv;
     733         184 :     set_mvs(&h->mv[MV_FWD_X0], BLK_16X16);
     734         184 :     h->pred_mode_Y[3] = h->pred_mode_Y[6] = NOT_AVAIL;
     735         184 :     h->cy             = h->cur.f->data[0];
     736         184 :     h->cu             = h->cur.f->data[1];
     737         184 :     h->cv             = h->cur.f->data[2];
     738         184 :     h->l_stride       = h->cur.f->linesize[0];
     739         184 :     h->c_stride       = h->cur.f->linesize[1];
     740         184 :     h->luma_scan[2]   = 8 * h->l_stride;
     741         184 :     h->luma_scan[3]   = 8 * h->l_stride + 8;
     742         184 :     h->mbx            = h->mby = h->mbidx = 0;
     743         184 :     h->flags          = 0;
     744             : 
     745         184 :     return 0;
     746             : }
     747             : 
     748             : /*****************************************************************************
     749             :  *
     750             :  * headers and interface
     751             :  *
     752             :  ****************************************************************************/
     753             : 
     754             : /**
     755             :  * some predictions require data from the top-neighbouring macroblock.
     756             :  * this data has to be stored for one complete row of macroblocks
     757             :  * and this storage space is allocated here
     758             :  */
     759           4 : int ff_cavs_init_top_lines(AVSContext *h)
     760             : {
     761             :     /* alloc top line of predictors */
     762           4 :     h->top_qp       = av_mallocz(h->mb_width);
     763           4 :     h->top_mv[0]    = av_mallocz_array(h->mb_width * 2 + 1,  sizeof(cavs_vector));
     764           4 :     h->top_mv[1]    = av_mallocz_array(h->mb_width * 2 + 1,  sizeof(cavs_vector));
     765           4 :     h->top_pred_Y   = av_mallocz_array(h->mb_width * 2,  sizeof(*h->top_pred_Y));
     766           4 :     h->top_border_y = av_mallocz_array(h->mb_width + 1,  16);
     767           4 :     h->top_border_u = av_mallocz_array(h->mb_width,  10);
     768           4 :     h->top_border_v = av_mallocz_array(h->mb_width,  10);
     769             : 
     770             :     /* alloc space for co-located MVs and types */
     771           4 :     h->col_mv        = av_mallocz_array(h->mb_width * h->mb_height,
     772             :                                         4 * sizeof(cavs_vector));
     773           4 :     h->col_type_base = av_mallocz(h->mb_width * h->mb_height);
     774           4 :     h->block         = av_mallocz(64 * sizeof(int16_t));
     775             : 
     776           8 :     if (!h->top_qp || !h->top_mv[0] || !h->top_mv[1] || !h->top_pred_Y ||
     777          12 :         !h->top_border_y || !h->top_border_u || !h->top_border_v ||
     778           8 :         !h->col_mv || !h->col_type_base || !h->block) {
     779           0 :         av_freep(&h->top_qp);
     780           0 :         av_freep(&h->top_mv[0]);
     781           0 :         av_freep(&h->top_mv[1]);
     782           0 :         av_freep(&h->top_pred_Y);
     783           0 :         av_freep(&h->top_border_y);
     784           0 :         av_freep(&h->top_border_u);
     785           0 :         av_freep(&h->top_border_v);
     786           0 :         av_freep(&h->col_mv);
     787           0 :         av_freep(&h->col_type_base);
     788           0 :         av_freep(&h->block);
     789           0 :         return AVERROR(ENOMEM);
     790             :     }
     791           4 :     return 0;
     792             : }
     793             : 
     794           4 : av_cold int ff_cavs_init(AVCodecContext *avctx)
     795             : {
     796           4 :     AVSContext *h = avctx->priv_data;
     797             : 
     798           4 :     ff_blockdsp_init(&h->bdsp, avctx);
     799           4 :     ff_h264chroma_init(&h->h264chroma, 8);
     800           4 :     ff_idctdsp_init(&h->idsp, avctx);
     801           4 :     ff_videodsp_init(&h->vdsp, 8);
     802           4 :     ff_cavsdsp_init(&h->cdsp, avctx);
     803           4 :     ff_init_scantable_permutation(h->idsp.idct_permutation,
     804           4 :                                   h->cdsp.idct_perm);
     805           4 :     ff_init_scantable(h->idsp.idct_permutation, &h->scantable, ff_zigzag_direct);
     806             : 
     807           4 :     h->avctx       = avctx;
     808           4 :     avctx->pix_fmt = AV_PIX_FMT_YUV420P;
     809             : 
     810           4 :     h->cur.f    = av_frame_alloc();
     811           4 :     h->DPB[0].f = av_frame_alloc();
     812           4 :     h->DPB[1].f = av_frame_alloc();
     813           4 :     if (!h->cur.f || !h->DPB[0].f || !h->DPB[1].f) {
     814           0 :         ff_cavs_end(avctx);
     815           0 :         return AVERROR(ENOMEM);
     816             :     }
     817             : 
     818           4 :     h->luma_scan[0]                     = 0;
     819           4 :     h->luma_scan[1]                     = 8;
     820           4 :     h->intra_pred_l[INTRA_L_VERT]       = intra_pred_vert;
     821           4 :     h->intra_pred_l[INTRA_L_HORIZ]      = intra_pred_horiz;
     822           4 :     h->intra_pred_l[INTRA_L_LP]         = intra_pred_lp;
     823           4 :     h->intra_pred_l[INTRA_L_DOWN_LEFT]  = intra_pred_down_left;
     824           4 :     h->intra_pred_l[INTRA_L_DOWN_RIGHT] = intra_pred_down_right;
     825           4 :     h->intra_pred_l[INTRA_L_LP_LEFT]    = intra_pred_lp_left;
     826           4 :     h->intra_pred_l[INTRA_L_LP_TOP]     = intra_pred_lp_top;
     827           4 :     h->intra_pred_l[INTRA_L_DC_128]     = intra_pred_dc_128;
     828           4 :     h->intra_pred_c[INTRA_C_LP]         = intra_pred_lp;
     829           4 :     h->intra_pred_c[INTRA_C_HORIZ]      = intra_pred_horiz;
     830           4 :     h->intra_pred_c[INTRA_C_VERT]       = intra_pred_vert;
     831           4 :     h->intra_pred_c[INTRA_C_PLANE]      = intra_pred_plane;
     832           4 :     h->intra_pred_c[INTRA_C_LP_LEFT]    = intra_pred_lp_left;
     833           4 :     h->intra_pred_c[INTRA_C_LP_TOP]     = intra_pred_lp_top;
     834           4 :     h->intra_pred_c[INTRA_C_DC_128]     = intra_pred_dc_128;
     835           4 :     h->mv[7]                            = un_mv;
     836           4 :     h->mv[19]                           = un_mv;
     837           4 :     return 0;
     838             : }
     839             : 
     840           4 : av_cold int ff_cavs_end(AVCodecContext *avctx)
     841             : {
     842           4 :     AVSContext *h = avctx->priv_data;
     843             : 
     844           4 :     av_frame_free(&h->cur.f);
     845           4 :     av_frame_free(&h->DPB[0].f);
     846           4 :     av_frame_free(&h->DPB[1].f);
     847             : 
     848           4 :     av_freep(&h->top_qp);
     849           4 :     av_freep(&h->top_mv[0]);
     850           4 :     av_freep(&h->top_mv[1]);
     851           4 :     av_freep(&h->top_pred_Y);
     852           4 :     av_freep(&h->top_border_y);
     853           4 :     av_freep(&h->top_border_u);
     854           4 :     av_freep(&h->top_border_v);
     855           4 :     av_freep(&h->col_mv);
     856           4 :     av_freep(&h->col_type_base);
     857           4 :     av_freep(&h->block);
     858           4 :     av_freep(&h->edge_emu_buffer);
     859           4 :     return 0;
     860             : }

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