| Line | Branch | Exec | Source |
|---|---|---|---|
| 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 "libavutil/mem.h" | ||
| 29 | #include "avcodec.h" | ||
| 30 | #include "golomb.h" | ||
| 31 | #include "h264chroma.h" | ||
| 32 | #include "idctdsp.h" | ||
| 33 | #include "mathops.h" | ||
| 34 | #include "qpeldsp.h" | ||
| 35 | #include "cavs.h" | ||
| 36 | |||
| 37 | static const uint8_t alpha_tab[64] = { | ||
| 38 | 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 3, 3, | ||
| 39 | 4, 4, 5, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, | ||
| 40 | 22, 24, 26, 28, 30, 33, 33, 35, 35, 36, 37, 37, 39, 39, 42, 44, | ||
| 41 | 46, 48, 50, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64 | ||
| 42 | }; | ||
| 43 | |||
| 44 | static const uint8_t beta_tab[64] = { | ||
| 45 | 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, | ||
| 46 | 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, | ||
| 47 | 6, 7, 7, 7, 8, 8, 8, 9, 9, 10, 10, 11, 11, 12, 13, 14, | ||
| 48 | 15, 16, 17, 18, 19, 20, 21, 22, 23, 23, 24, 24, 25, 25, 26, 27 | ||
| 49 | }; | ||
| 50 | |||
| 51 | static const uint8_t tc_tab[64] = { | ||
| 52 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | ||
| 53 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, | ||
| 54 | 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, | ||
| 55 | 5, 5, 5, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9 | ||
| 56 | }; | ||
| 57 | |||
| 58 | /** mark block as unavailable, i.e. out of picture | ||
| 59 | * or not yet decoded */ | ||
| 60 | static const cavs_vector un_mv = { 0, 0, 1, NOT_AVAIL }; | ||
| 61 | |||
| 62 | static const int8_t left_modifier_l[8] = { 0, -1, 6, -1, -1, 7, 6, 7 }; | ||
| 63 | static const int8_t top_modifier_l[8] = { -1, 1, 5, -1, -1, 5, 7, 7 }; | ||
| 64 | static const int8_t left_modifier_c[7] = { 5, -1, 2, -1, 6, 5, 6 }; | ||
| 65 | static const int8_t top_modifier_c[7] = { 4, 1, -1, -1, 4, 6, 6 }; | ||
| 66 | |||
| 67 | /***************************************************************************** | ||
| 68 | * | ||
| 69 | * in-loop deblocking filter | ||
| 70 | * | ||
| 71 | ****************************************************************************/ | ||
| 72 | |||
| 73 | 1814140 | static inline int get_bs(cavs_vector *mvP, cavs_vector *mvQ, int b) | |
| 74 | { | ||
| 75 |
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1814140 | if ((mvP->ref == REF_INTRA) || (mvQ->ref == REF_INTRA)) |
| 76 | 16196 | return 2; | |
| 77 |
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1797944 | if((abs(mvP->x - mvQ->x) >= 4) || |
| 78 |
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1690399 | (abs(mvP->y - mvQ->y) >= 4) || |
| 79 |
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1628114 | (mvP->ref != mvQ->ref)) |
| 80 | 307451 | return 1; | |
| 81 |
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1490493 | if (b) { |
| 82 | 1233734 | mvP += MV_BWD_OFFS; | |
| 83 | 1233734 | mvQ += MV_BWD_OFFS; | |
| 84 |
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1233734 | if((abs(mvP->x - mvQ->x) >= 4) || |
| 85 |
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1218990 | (abs(mvP->y - mvQ->y) >= 4) || |
| 86 |
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1210365 | (mvP->ref != mvQ->ref)) |
| 87 | 68335 | return 1; | |
| 88 | } | ||
| 89 | 1422158 | return 0; | |
| 90 | } | ||
| 91 | |||
| 92 | #define SET_PARAMS \ | ||
| 93 | alpha = alpha_tab[av_clip_uintp2(qp_avg + h->alpha_offset, 6)]; \ | ||
| 94 | beta = beta_tab[av_clip_uintp2(qp_avg + h->beta_offset, 6)]; \ | ||
| 95 | tc = tc_tab[av_clip_uintp2(qp_avg + h->alpha_offset, 6)]; | ||
| 96 | |||
| 97 | /** | ||
| 98 | * in-loop deblocking filter for a single macroblock | ||
| 99 | * | ||
| 100 | * boundary strength (bs) mapping: | ||
| 101 | * | ||
| 102 | * --4---5-- | ||
| 103 | * 0 2 | | ||
| 104 | * | 6 | 7 | | ||
| 105 | * 1 3 | | ||
| 106 | * --------- | ||
| 107 | */ | ||
| 108 | 304585 | void ff_cavs_filter(AVSContext *h, enum cavs_mb mb_type) | |
| 109 | { | ||
| 110 | uint8_t bs[8]; | ||
| 111 | int qp_avg, alpha, beta, tc; | ||
| 112 | int i; | ||
| 113 | |||
| 114 | /* save un-deblocked lines */ | ||
| 115 | 304585 | h->topleft_border_y = h->top_border_y[h->mbx * 16 + 15]; | |
| 116 | 304585 | h->topleft_border_u = h->top_border_u[h->mbx * 10 + 8]; | |
| 117 | 304585 | h->topleft_border_v = h->top_border_v[h->mbx * 10 + 8]; | |
| 118 | 304585 | memcpy(&h->top_border_y[h->mbx * 16], h->cy + 15 * h->l_stride, 16); | |
| 119 | 304585 | memcpy(&h->top_border_u[h->mbx * 10 + 1], h->cu + 7 * h->c_stride, 8); | |
| 120 | 304585 | memcpy(&h->top_border_v[h->mbx * 10 + 1], h->cv + 7 * h->c_stride, 8); | |
| 121 |
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2741265 | for (i = 0; i < 8; i++) { |
| 122 | 2436680 | h->left_border_y[i * 2 + 1] = *(h->cy + 15 + (i * 2 + 0) * h->l_stride); | |
| 123 | 2436680 | h->left_border_y[i * 2 + 2] = *(h->cy + 15 + (i * 2 + 1) * h->l_stride); | |
| 124 | 2436680 | h->left_border_u[i + 1] = *(h->cu + 7 + i * h->c_stride); | |
| 125 | 2436680 | h->left_border_v[i + 1] = *(h->cv + 7 + i * h->c_stride); | |
| 126 | } | ||
| 127 |
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304585 | if (!h->loop_filter_disable) { |
| 128 | /* determine bs */ | ||
| 129 |
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304585 | if (mb_type == I_8X8) |
| 130 | 29448 | memset(bs, 2, 8); | |
| 131 | else { | ||
| 132 | 275137 | memset(bs, 0, 8); | |
| 133 |
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275137 | if (ff_cavs_partition_flags[mb_type] & SPLITV) { |
| 134 | 177755 | bs[2] = get_bs(&h->mv[MV_FWD_X0], &h->mv[MV_FWD_X1], mb_type > P_8X8); | |
| 135 | 177755 | bs[3] = get_bs(&h->mv[MV_FWD_X2], &h->mv[MV_FWD_X3], mb_type > P_8X8); | |
| 136 | } | ||
| 137 |
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275137 | if (ff_cavs_partition_flags[mb_type] & SPLITH) { |
| 138 | 179041 | bs[6] = get_bs(&h->mv[MV_FWD_X0], &h->mv[MV_FWD_X2], mb_type > P_8X8); | |
| 139 | 179041 | bs[7] = get_bs(&h->mv[MV_FWD_X1], &h->mv[MV_FWD_X3], mb_type > P_8X8); | |
| 140 | } | ||
| 141 | 275137 | bs[0] = get_bs(&h->mv[MV_FWD_A1], &h->mv[MV_FWD_X0], mb_type > P_8X8); | |
| 142 | 275137 | bs[1] = get_bs(&h->mv[MV_FWD_A3], &h->mv[MV_FWD_X2], mb_type > P_8X8); | |
| 143 | 275137 | bs[4] = get_bs(&h->mv[MV_FWD_B2], &h->mv[MV_FWD_X0], mb_type > P_8X8); | |
| 144 | 275137 | bs[5] = get_bs(&h->mv[MV_FWD_B3], &h->mv[MV_FWD_X1], mb_type > P_8X8); | |
| 145 | } | ||
| 146 |
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304585 | if (AV_RN64(bs)) { |
| 147 |
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139667 | if (h->flags & A_AVAIL) { |
| 148 | 132933 | qp_avg = (h->qp + h->left_qp + 1) >> 1; | |
| 149 | 132933 | SET_PARAMS; | |
| 150 | 132933 | h->cdsp.cavs_filter_lv(h->cy, h->l_stride, alpha, beta, tc, bs[0], bs[1]); | |
| 151 | 132933 | qp_avg = (ff_cavs_chroma_qp[h->qp] + ff_cavs_chroma_qp[h->left_qp] + 1) >> 1; | |
| 152 | 132933 | SET_PARAMS; | |
| 153 | 132933 | h->cdsp.cavs_filter_cv(h->cu, h->c_stride, alpha, beta, tc, bs[0], bs[1]); | |
| 154 | 132933 | h->cdsp.cavs_filter_cv(h->cv, h->c_stride, alpha, beta, tc, bs[0], bs[1]); | |
| 155 | } | ||
| 156 | 139667 | qp_avg = h->qp; | |
| 157 | 139667 | SET_PARAMS; | |
| 158 | 139667 | h->cdsp.cavs_filter_lv(h->cy + 8, h->l_stride, alpha, beta, tc, bs[2], bs[3]); | |
| 159 | 139667 | h->cdsp.cavs_filter_lh(h->cy + 8 * h->l_stride, h->l_stride, alpha, beta, tc, bs[6], bs[7]); | |
| 160 | |||
| 161 |
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139667 | if (h->flags & B_AVAIL) { |
| 162 | 131217 | qp_avg = (h->qp + h->top_qp[h->mbx] + 1) >> 1; | |
| 163 | 131217 | SET_PARAMS; | |
| 164 | 131217 | h->cdsp.cavs_filter_lh(h->cy, h->l_stride, alpha, beta, tc, bs[4], bs[5]); | |
| 165 | 131217 | qp_avg = (ff_cavs_chroma_qp[h->qp] + ff_cavs_chroma_qp[h->top_qp[h->mbx]] + 1) >> 1; | |
| 166 | 131217 | SET_PARAMS; | |
| 167 | 131217 | h->cdsp.cavs_filter_ch(h->cu, h->c_stride, alpha, beta, tc, bs[4], bs[5]); | |
| 168 | 131217 | h->cdsp.cavs_filter_ch(h->cv, h->c_stride, alpha, beta, tc, bs[4], bs[5]); | |
| 169 | } | ||
| 170 | } | ||
| 171 | } | ||
| 172 | 304585 | h->left_qp = h->qp; | |
| 173 | 304585 | h->top_qp[h->mbx] = h->qp; | |
| 174 | 304585 | } | |
| 175 | |||
| 176 | #undef SET_PARAMS | ||
| 177 | |||
| 178 | /***************************************************************************** | ||
| 179 | * | ||
| 180 | * spatial intra prediction | ||
| 181 | * | ||
| 182 | ****************************************************************************/ | ||
| 183 | |||
| 184 | 117792 | void ff_cavs_load_intra_pred_luma(AVSContext *h, uint8_t *top, | |
| 185 | uint8_t **left, int block) | ||
| 186 | { | ||
| 187 | int i; | ||
| 188 | |||
| 189 |
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117792 | switch (block) { |
| 190 | 29448 | case 0: | |
| 191 | 29448 | *left = h->left_border_y; | |
| 192 | 29448 | h->left_border_y[0] = h->left_border_y[1]; | |
| 193 | 29448 | memset(&h->left_border_y[17], h->left_border_y[16], 9); | |
| 194 | 29448 | memcpy(&top[1], &h->top_border_y[h->mbx * 16], 16); | |
| 195 | 29448 | top[17] = top[16]; | |
| 196 | 29448 | top[0] = top[1]; | |
| 197 |
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29448 | if ((h->flags & A_AVAIL) && (h->flags & B_AVAIL)) |
| 198 | 28390 | h->left_border_y[0] = top[0] = h->topleft_border_y; | |
| 199 | 29448 | break; | |
| 200 | 29448 | case 1: | |
| 201 | 29448 | *left = h->intern_border_y; | |
| 202 |
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265032 | for (i = 0; i < 8; i++) |
| 203 | 235584 | h->intern_border_y[i + 1] = *(h->cy + 7 + i * h->l_stride); | |
| 204 | 29448 | memset(&h->intern_border_y[9], h->intern_border_y[8], 9); | |
| 205 | 29448 | h->intern_border_y[0] = h->intern_border_y[1]; | |
| 206 | 29448 | memcpy(&top[1], &h->top_border_y[h->mbx * 16 + 8], 8); | |
| 207 |
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29448 | if (h->flags & C_AVAIL) |
| 208 | 28126 | memcpy(&top[9], &h->top_border_y[(h->mbx + 1) * 16], 8); | |
| 209 | else | ||
| 210 | 1322 | memset(&top[9], top[8], 9); | |
| 211 | 29448 | top[17] = top[16]; | |
| 212 | 29448 | top[0] = top[1]; | |
| 213 |
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29448 | if (h->flags & B_AVAIL) |
| 214 | 28832 | h->intern_border_y[0] = top[0] = h->top_border_y[h->mbx * 16 + 7]; | |
| 215 | 29448 | break; | |
| 216 | 29448 | case 2: | |
| 217 | 29448 | *left = &h->left_border_y[8]; | |
| 218 | 29448 | memcpy(&top[1], h->cy + 7 * h->l_stride, 16); | |
| 219 | 29448 | top[17] = top[16]; | |
| 220 | 29448 | top[0] = top[1]; | |
| 221 |
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29448 | if (h->flags & A_AVAIL) |
| 222 | 28996 | top[0] = h->left_border_y[8]; | |
| 223 | 29448 | break; | |
| 224 | 29448 | case 3: | |
| 225 | 29448 | *left = &h->intern_border_y[8]; | |
| 226 |
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265032 | for (i = 0; i < 8; i++) |
| 227 | 235584 | h->intern_border_y[i + 9] = *(h->cy + 7 + (i + 8) * h->l_stride); | |
| 228 | 29448 | memset(&h->intern_border_y[17], h->intern_border_y[16], 9); | |
| 229 | 29448 | memcpy(&top[0], h->cy + 7 + 7 * h->l_stride, 9); | |
| 230 | 29448 | memset(&top[9], top[8], 9); | |
| 231 | 29448 | break; | |
| 232 | } | ||
| 233 | 117792 | } | |
| 234 | |||
| 235 | 29448 | void ff_cavs_load_intra_pred_chroma(AVSContext *h) | |
| 236 | { | ||
| 237 | /* extend borders by one pixel */ | ||
| 238 | 29448 | h->left_border_u[9] = h->left_border_u[8]; | |
| 239 | 29448 | h->left_border_v[9] = h->left_border_v[8]; | |
| 240 |
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29448 | if(h->flags & C_AVAIL) { |
| 241 | 28126 | h->top_border_u[h->mbx*10 + 9] = h->top_border_u[h->mbx*10 + 11]; | |
| 242 | 28126 | h->top_border_v[h->mbx*10 + 9] = h->top_border_v[h->mbx*10 + 11]; | |
| 243 | } else { | ||
| 244 | 1322 | h->top_border_u[h->mbx * 10 + 9] = h->top_border_u[h->mbx * 10 + 8]; | |
| 245 | 1322 | h->top_border_v[h->mbx * 10 + 9] = h->top_border_v[h->mbx * 10 + 8]; | |
| 246 | } | ||
| 247 |
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29448 | if((h->flags & A_AVAIL) && (h->flags & B_AVAIL)) { |
| 248 | 28390 | h->top_border_u[h->mbx * 10] = h->left_border_u[0] = h->topleft_border_u; | |
| 249 | 28390 | h->top_border_v[h->mbx * 10] = h->left_border_v[0] = h->topleft_border_v; | |
| 250 | } else { | ||
| 251 | 1058 | h->left_border_u[0] = h->left_border_u[1]; | |
| 252 | 1058 | h->left_border_v[0] = h->left_border_v[1]; | |
| 253 | 1058 | h->top_border_u[h->mbx * 10] = h->top_border_u[h->mbx * 10 + 1]; | |
| 254 | 1058 | h->top_border_v[h->mbx * 10] = h->top_border_v[h->mbx * 10 + 1]; | |
| 255 | } | ||
| 256 | 29448 | } | |
| 257 | |||
| 258 | 52200 | static void intra_pred_vert(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride) | |
| 259 | { | ||
| 260 | int y; | ||
| 261 | 52200 | uint64_t a = AV_RN64(&top[1]); | |
| 262 |
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469800 | for (y = 0; y < 8; y++) |
| 263 | 417600 | *((uint64_t *)(d + y * stride)) = a; | |
| 264 | 52200 | } | |
| 265 | |||
| 266 | 39433 | static void intra_pred_horiz(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride) | |
| 267 | { | ||
| 268 | int y; | ||
| 269 | uint64_t a; | ||
| 270 |
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354897 | for (y = 0; y < 8; y++) { |
| 271 | 315464 | a = left[y + 1] * 0x0101010101010101ULL; | |
| 272 | 315464 | *((uint64_t *)(d + y * stride)) = a; | |
| 273 | } | ||
| 274 | 39433 | } | |
| 275 | |||
| 276 | 30 | static void intra_pred_dc_128(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride) | |
| 277 | { | ||
| 278 | int y; | ||
| 279 | 30 | uint64_t a = 0x8080808080808080ULL; | |
| 280 |
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270 | for (y = 0; y < 8; y++) |
| 281 | 240 | *((uint64_t *)(d + y * stride)) = a; | |
| 282 | 30 | } | |
| 283 | |||
| 284 | 3128 | static void intra_pred_plane(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride) | |
| 285 | { | ||
| 286 | int x, y, ia; | ||
| 287 | 3128 | int ih = 0; | |
| 288 | 3128 | int iv = 0; | |
| 289 | 3128 | const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP; | |
| 290 | |||
| 291 |
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15640 | for (x = 0; x < 4; x++) { |
| 292 | 12512 | ih += (x + 1) * (top[5 + x] - top[3 - x]); | |
| 293 | 12512 | iv += (x + 1) * (left[5 + x] - left[3 - x]); | |
| 294 | } | ||
| 295 | 3128 | ia = (top[8] + left[8]) << 4; | |
| 296 | 3128 | ih = (17 * ih + 16) >> 5; | |
| 297 | 3128 | iv = (17 * iv + 16) >> 5; | |
| 298 |
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28152 | for (y = 0; y < 8; y++) |
| 299 |
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225216 | for (x = 0; x < 8; x++) |
| 300 | 200192 | d[y * stride + x] = cm[(ia + (x - 3) * ih + (y - 3) * iv + 16) >> 5]; | |
| 301 | 3128 | } | |
| 302 | |||
| 303 | #define LOWPASS(ARRAY, INDEX) \ | ||
| 304 | ((ARRAY[(INDEX) - 1] + 2 * ARRAY[(INDEX)] + ARRAY[(INDEX) + 1] + 2) >> 2) | ||
| 305 | |||
| 306 | 69201 | static void intra_pred_lp(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride) | |
| 307 | { | ||
| 308 | int x, y; | ||
| 309 |
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622809 | for (y = 0; y < 8; y++) |
| 310 |
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4982472 | for (x = 0; x < 8; x++) |
| 311 | 4428864 | d[y * stride + x] = (LOWPASS(top, x + 1) + LOWPASS(left, y + 1)) >> 1; | |
| 312 | 69201 | } | |
| 313 | |||
| 314 | 5222 | static void intra_pred_down_left(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride) | |
| 315 | { | ||
| 316 | int x, y; | ||
| 317 |
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46998 | for (y = 0; y < 8; y++) |
| 318 |
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375984 | for (x = 0; x < 8; x++) |
| 319 | 334208 | d[y * stride + x] = (LOWPASS(top, x + y + 2) + LOWPASS(left, x + y + 2)) >> 1; | |
| 320 | 5222 | } | |
| 321 | |||
| 322 | 3263 | static void intra_pred_down_right(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride) | |
| 323 | { | ||
| 324 | int x, y; | ||
| 325 |
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29367 | for (y = 0; y < 8; y++) |
| 326 |
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234936 | for (x = 0; x < 8; x++) |
| 327 |
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208832 | if (x == y) |
| 328 | 26104 | d[y * stride + x] = (left[1] + 2 * top[0] + top[1] + 2) >> 2; | |
| 329 |
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182728 | else if (x > y) |
| 330 | 91364 | d[y * stride + x] = LOWPASS(top, x - y); | |
| 331 | else | ||
| 332 | 91364 | d[y * stride + x] = LOWPASS(left, y - x); | |
| 333 | 3263 | } | |
| 334 | |||
| 335 | 2433 | static void intra_pred_lp_left(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride) | |
| 336 | { | ||
| 337 | int x, y; | ||
| 338 |
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21897 | for (y = 0; y < 8; y++) |
| 339 |
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175176 | for (x = 0; x < 8; x++) |
| 340 | 155712 | d[y * stride + x] = LOWPASS(left, y + 1); | |
| 341 | 2433 | } | |
| 342 | |||
| 343 | 1778 | static void intra_pred_lp_top(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride) | |
| 344 | { | ||
| 345 | int x, y; | ||
| 346 |
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16002 | for (y = 0; y < 8; y++) |
| 347 |
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128016 | for (x = 0; x < 8; x++) |
| 348 | 113792 | d[y * stride + x] = LOWPASS(top, x + 1); | |
| 349 | 1778 | } | |
| 350 | |||
| 351 | #undef LOWPASS | ||
| 352 | |||
| 353 | 3204 | static inline void modify_pred(const int8_t *mod_table, int *mode) | |
| 354 | { | ||
| 355 | 3204 | *mode = mod_table[*mode]; | |
| 356 |
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3204 | if (*mode < 0) { |
| 357 | ✗ | av_log(NULL, AV_LOG_ERROR, "Illegal intra prediction mode\n"); | |
| 358 | ✗ | *mode = 0; | |
| 359 | } | ||
| 360 | 3204 | } | |
| 361 | |||
| 362 | 29448 | void ff_cavs_modify_mb_i(AVSContext *h, int *pred_mode_uv) | |
| 363 | { | ||
| 364 | /* save pred modes before they get modified */ | ||
| 365 | 29448 | h->pred_mode_Y[3] = h->pred_mode_Y[5]; | |
| 366 | 29448 | h->pred_mode_Y[6] = h->pred_mode_Y[8]; | |
| 367 | 29448 | h->top_pred_Y[h->mbx * 2 + 0] = h->pred_mode_Y[7]; | |
| 368 | 29448 | h->top_pred_Y[h->mbx * 2 + 1] = h->pred_mode_Y[8]; | |
| 369 | |||
| 370 | /* modify pred modes according to availability of neighbour samples */ | ||
| 371 |
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29448 | if (!(h->flags & A_AVAIL)) { |
| 372 | 452 | modify_pred(left_modifier_l, &h->pred_mode_Y[4]); | |
| 373 | 452 | modify_pred(left_modifier_l, &h->pred_mode_Y[7]); | |
| 374 | 452 | modify_pred(left_modifier_c, pred_mode_uv); | |
| 375 | } | ||
| 376 |
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29448 | if (!(h->flags & B_AVAIL)) { |
| 377 | 616 | modify_pred(top_modifier_l, &h->pred_mode_Y[4]); | |
| 378 | 616 | modify_pred(top_modifier_l, &h->pred_mode_Y[5]); | |
| 379 | 616 | modify_pred(top_modifier_c, pred_mode_uv); | |
| 380 | } | ||
| 381 | 29448 | } | |
| 382 | |||
| 383 | /***************************************************************************** | ||
| 384 | * | ||
| 385 | * motion compensation | ||
| 386 | * | ||
| 387 | ****************************************************************************/ | ||
| 388 | |||
| 389 | 1467259 | static inline void mc_dir_part(AVSContext *h, AVFrame *pic, int chroma_height, | |
| 390 | int delta, int list, uint8_t *dest_y, | ||
| 391 | uint8_t *dest_cb, uint8_t *dest_cr, | ||
| 392 | int src_x_offset, int src_y_offset, | ||
| 393 | qpel_mc_func *qpix_op, | ||
| 394 | h264_chroma_mc_func chroma_op, cavs_vector *mv) | ||
| 395 | { | ||
| 396 | 1467259 | const int mx = mv->x + src_x_offset * 8; | |
| 397 | 1467259 | const int my = mv->y + src_y_offset * 8; | |
| 398 | 1467259 | const int luma_xy = (mx & 3) + ((my & 3) << 2); | |
| 399 | 1467259 | uint8_t *src_y = pic->data[0] + (mx >> 2) + (my >> 2) * h->l_stride; | |
| 400 | 1467259 | uint8_t *src_cb = pic->data[1] + (mx >> 3) + (my >> 3) * h->c_stride; | |
| 401 | 1467259 | uint8_t *src_cr = pic->data[2] + (mx >> 3) + (my >> 3) * h->c_stride; | |
| 402 | 1467259 | int extra_width = 0; | |
| 403 | 1467259 | int extra_height = extra_width; | |
| 404 | 1467259 | const int full_mx = mx >> 2; | |
| 405 | 1467259 | const int full_my = my >> 2; | |
| 406 | 1467259 | const int pic_width = 16 * h->mb_width; | |
| 407 | 1467259 | const int pic_height = 16 * h->mb_height; | |
| 408 | 1467259 | int emu = 0; | |
| 409 | |||
| 410 |
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1467259 | if (!pic->data[0]) |
| 411 | ✗ | return; | |
| 412 |
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1467259 | if (mx & 7) |
| 413 | 123468 | extra_width -= 3; | |
| 414 |
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1467259 | if (my & 7) |
| 415 | 128760 | extra_height -= 3; | |
| 416 | |||
| 417 |
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1467259 | if (full_mx < 0 - extra_width || |
| 418 |
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1466287 | full_my < 0 - extra_height || |
| 419 |
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1464807 | full_mx + 16 /* FIXME */ > pic_width + extra_width || |
| 420 |
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1449475 | full_my + 16 /* FIXME */ > pic_height + extra_height) { |
| 421 | 37854 | h->vdsp.emulated_edge_mc(h->edge_emu_buffer, | |
| 422 | 37854 | src_y - 2 - 2 * h->l_stride, | |
| 423 | h->l_stride, h->l_stride, | ||
| 424 | 16 + 5, 16 + 5 /* FIXME */, | ||
| 425 | full_mx - 2, full_my - 2, | ||
| 426 | pic_width, pic_height); | ||
| 427 | 37854 | src_y = h->edge_emu_buffer + 2 + 2 * h->l_stride; | |
| 428 | 37854 | emu = 1; | |
| 429 | } | ||
| 430 | |||
| 431 | // FIXME try variable height perhaps? | ||
| 432 | 1467259 | qpix_op[luma_xy](dest_y, src_y, h->l_stride); | |
| 433 | |||
| 434 |
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1467259 | if (emu) { |
| 435 | 37854 | h->vdsp.emulated_edge_mc(h->edge_emu_buffer, src_cb, | |
| 436 | h->c_stride, h->c_stride, | ||
| 437 | 9, 9 /* FIXME */, | ||
| 438 | mx >> 3, my >> 3, | ||
| 439 | pic_width >> 1, pic_height >> 1); | ||
| 440 | 37854 | src_cb = h->edge_emu_buffer; | |
| 441 | } | ||
| 442 | 1467259 | chroma_op(dest_cb, src_cb, h->c_stride, chroma_height, mx & 7, my & 7); | |
| 443 | |||
| 444 |
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1467259 | if (emu) { |
| 445 | 37854 | h->vdsp.emulated_edge_mc(h->edge_emu_buffer, src_cr, | |
| 446 | h->c_stride, h->c_stride, | ||
| 447 | 9, 9 /* FIXME */, | ||
| 448 | mx >> 3, my >> 3, | ||
| 449 | pic_width >> 1, pic_height >> 1); | ||
| 450 | 37854 | src_cr = h->edge_emu_buffer; | |
| 451 | } | ||
| 452 | 1467259 | chroma_op(dest_cr, src_cr, h->c_stride, chroma_height, mx & 7, my & 7); | |
| 453 | } | ||
| 454 | |||
| 455 | 842488 | static inline void mc_part_std(AVSContext *h, int chroma_height, int delta, | |
| 456 | uint8_t *dest_y, | ||
| 457 | uint8_t *dest_cb, | ||
| 458 | uint8_t *dest_cr, | ||
| 459 | int x_offset, int y_offset, | ||
| 460 | qpel_mc_func *qpix_put, | ||
| 461 | h264_chroma_mc_func chroma_put, | ||
| 462 | qpel_mc_func *qpix_avg, | ||
| 463 | h264_chroma_mc_func chroma_avg, | ||
| 464 | cavs_vector *mv) | ||
| 465 | { | ||
| 466 | 842488 | qpel_mc_func *qpix_op = qpix_put; | |
| 467 | 842488 | h264_chroma_mc_func chroma_op = chroma_put; | |
| 468 | |||
| 469 | 842488 | dest_y += x_offset * 2 + y_offset * h->l_stride * 2; | |
| 470 | 842488 | dest_cb += x_offset + y_offset * h->c_stride; | |
| 471 | 842488 | dest_cr += x_offset + y_offset * h->c_stride; | |
| 472 | 842488 | x_offset += 8 * h->mbx; | |
| 473 | 842488 | y_offset += 8 * h->mby; | |
| 474 | |||
| 475 |
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842488 | if (mv->ref >= 0) { |
| 476 | 798473 | AVFrame *ref = h->DPB[mv->ref].f; | |
| 477 | 798473 | mc_dir_part(h, ref, chroma_height, delta, 0, | |
| 478 | dest_y, dest_cb, dest_cr, x_offset, y_offset, | ||
| 479 | qpix_op, chroma_op, mv); | ||
| 480 | |||
| 481 | 798473 | qpix_op = qpix_avg; | |
| 482 | 798473 | chroma_op = chroma_avg; | |
| 483 | } | ||
| 484 | |||
| 485 |
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842488 | if ((mv + MV_BWD_OFFS)->ref >= 0) { |
| 486 | 668786 | AVFrame *ref = h->DPB[0].f; | |
| 487 | 668786 | mc_dir_part(h, ref, chroma_height, delta, 1, | |
| 488 | dest_y, dest_cb, dest_cr, x_offset, y_offset, | ||
| 489 | qpix_op, chroma_op, mv + MV_BWD_OFFS); | ||
| 490 | } | ||
| 491 | 842488 | } | |
| 492 | |||
| 493 | 275137 | void ff_cavs_inter(AVSContext *h, enum cavs_mb mb_type) | |
| 494 | { | ||
| 495 |
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275137 | if (ff_cavs_partition_flags[mb_type] == 0) { // 16x16 |
| 496 | 86020 | mc_part_std(h, 8, 0, h->cy, h->cu, h->cv, 0, 0, | |
| 497 | 86020 | h->cdsp.put_cavs_qpel_pixels_tab[0], | |
| 498 | h->h264chroma.put_h264_chroma_pixels_tab[0], | ||
| 499 | 86020 | h->cdsp.avg_cavs_qpel_pixels_tab[0], | |
| 500 | h->h264chroma.avg_h264_chroma_pixels_tab[0], | ||
| 501 | &h->mv[MV_FWD_X0]); | ||
| 502 | } else { | ||
| 503 | 189117 | mc_part_std(h, 4, 0, h->cy, h->cu, h->cv, 0, 0, | |
| 504 | 189117 | h->cdsp.put_cavs_qpel_pixels_tab[1], | |
| 505 | h->h264chroma.put_h264_chroma_pixels_tab[1], | ||
| 506 | 189117 | h->cdsp.avg_cavs_qpel_pixels_tab[1], | |
| 507 | h->h264chroma.avg_h264_chroma_pixels_tab[1], | ||
| 508 | &h->mv[MV_FWD_X0]); | ||
| 509 | 189117 | mc_part_std(h, 4, 0, h->cy, h->cu, h->cv, 4, 0, | |
| 510 | 189117 | h->cdsp.put_cavs_qpel_pixels_tab[1], | |
| 511 | h->h264chroma.put_h264_chroma_pixels_tab[1], | ||
| 512 | 189117 | h->cdsp.avg_cavs_qpel_pixels_tab[1], | |
| 513 | h->h264chroma.avg_h264_chroma_pixels_tab[1], | ||
| 514 | &h->mv[MV_FWD_X1]); | ||
| 515 | 189117 | mc_part_std(h, 4, 0, h->cy, h->cu, h->cv, 0, 4, | |
| 516 | 189117 | h->cdsp.put_cavs_qpel_pixels_tab[1], | |
| 517 | h->h264chroma.put_h264_chroma_pixels_tab[1], | ||
| 518 | 189117 | h->cdsp.avg_cavs_qpel_pixels_tab[1], | |
| 519 | h->h264chroma.avg_h264_chroma_pixels_tab[1], | ||
| 520 | &h->mv[MV_FWD_X2]); | ||
| 521 | 189117 | mc_part_std(h, 4, 0, h->cy, h->cu, h->cv, 4, 4, | |
| 522 | 189117 | h->cdsp.put_cavs_qpel_pixels_tab[1], | |
| 523 | h->h264chroma.put_h264_chroma_pixels_tab[1], | ||
| 524 | 189117 | h->cdsp.avg_cavs_qpel_pixels_tab[1], | |
| 525 | h->h264chroma.avg_h264_chroma_pixels_tab[1], | ||
| 526 | &h->mv[MV_FWD_X3]); | ||
| 527 | } | ||
| 528 | 275137 | } | |
| 529 | |||
| 530 | /***************************************************************************** | ||
| 531 | * | ||
| 532 | * motion vector prediction | ||
| 533 | * | ||
| 534 | ****************************************************************************/ | ||
| 535 | |||
| 536 | 514362 | static inline void scale_mv(AVSContext *h, int *d_x, int *d_y, | |
| 537 | cavs_vector *src, int distp) | ||
| 538 | { | ||
| 539 | 514362 | int64_t den = h->scale_den[FFMAX(src->ref, 0)]; | |
| 540 | 514362 | *d_x = (src->x * distp * den + 256 + FF_SIGNBIT(src->x)) >> 9; | |
| 541 | 514362 | *d_y = (src->y * distp * den + 256 + FF_SIGNBIT(src->y)) >> 9; | |
| 542 | 514362 | } | |
| 543 | |||
| 544 | 171454 | static inline void mv_pred_median(AVSContext *h, | |
| 545 | cavs_vector *mvP, | ||
| 546 | cavs_vector *mvA, | ||
| 547 | cavs_vector *mvB, | ||
| 548 | cavs_vector *mvC) | ||
| 549 | { | ||
| 550 | int ax, ay, bx, by, cx, cy; | ||
| 551 | int len_ab, len_bc, len_ca, len_mid; | ||
| 552 | |||
| 553 | /* scale candidates according to their temporal span */ | ||
| 554 | 171454 | scale_mv(h, &ax, &ay, mvA, mvP->dist); | |
| 555 | 171454 | scale_mv(h, &bx, &by, mvB, mvP->dist); | |
| 556 | 171454 | scale_mv(h, &cx, &cy, mvC, mvP->dist); | |
| 557 | /* find the geometrical median of the three candidates */ | ||
| 558 | 171454 | len_ab = abs(ax - bx) + abs(ay - by); | |
| 559 | 171454 | len_bc = abs(bx - cx) + abs(by - cy); | |
| 560 | 171454 | len_ca = abs(cx - ax) + abs(cy - ay); | |
| 561 | 171454 | len_mid = mid_pred(len_ab, len_bc, len_ca); | |
| 562 |
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171454 | if (len_mid == len_ab) { |
| 563 | 138549 | mvP->x = cx; | |
| 564 | 138549 | mvP->y = cy; | |
| 565 |
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32905 | } else if (len_mid == len_bc) { |
| 566 | 24916 | mvP->x = ax; | |
| 567 | 24916 | mvP->y = ay; | |
| 568 | } else { | ||
| 569 | 7989 | mvP->x = bx; | |
| 570 | 7989 | mvP->y = by; | |
| 571 | } | ||
| 572 | 171454 | } | |
| 573 | |||
| 574 | 240838 | void ff_cavs_mv(AVSContext *h, enum cavs_mv_loc nP, enum cavs_mv_loc nC, | |
| 575 | enum cavs_mv_pred mode, enum cavs_block size, int ref) | ||
| 576 | { | ||
| 577 | 240838 | cavs_vector *mvP = &h->mv[nP]; | |
| 578 | 240838 | cavs_vector *mvA = &h->mv[nP-1]; | |
| 579 | 240838 | cavs_vector *mvB = &h->mv[nP-4]; | |
| 580 | 240838 | cavs_vector *mvC = &h->mv[nC]; | |
| 581 | 240838 | const cavs_vector *mvP2 = NULL; | |
| 582 | |||
| 583 | 240838 | mvP->ref = ref; | |
| 584 | 240838 | mvP->dist = h->dist[mvP->ref]; | |
| 585 |
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240838 | if (mvC->ref == NOT_AVAIL || (nP == MV_FWD_X3) || (nP == MV_BWD_X3 )) |
| 586 | 28503 | mvC = &h->mv[nP - 5]; // set to top-left (mvD) | |
| 587 |
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240838 | if (mode == MV_PRED_PSKIP && |
| 588 |
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20801 | (mvA->ref == NOT_AVAIL || |
| 589 |
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20081 | mvB->ref == NOT_AVAIL || |
| 590 |
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19308 | (mvA->x | mvA->y | mvA->ref) == 0 || |
| 591 |
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850 | (mvB->x | mvB->y | mvB->ref) == 0)) { |
| 592 | 20434 | mvP2 = &un_mv; | |
| 593 | /* if there is only one suitable candidate, take it */ | ||
| 594 |
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220404 | } else if (mvA->ref >= 0 && mvB->ref < 0 && mvC->ref < 0) { |
| 595 | 11443 | mvP2 = mvA; | |
| 596 |
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208961 | } else if (mvA->ref < 0 && mvB->ref >= 0 && mvC->ref < 0) { |
| 597 | 4678 | mvP2 = mvB; | |
| 598 |
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204283 | } else if (mvA->ref < 0 && mvB->ref < 0 && mvC->ref >= 0) { |
| 599 | 3575 | mvP2 = mvC; | |
| 600 |
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200708 | } else if (mode == MV_PRED_LEFT && mvA->ref == ref) { |
| 601 | 14467 | mvP2 = mvA; | |
| 602 |
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186241 | } else if (mode == MV_PRED_TOP && mvB->ref == ref) { |
| 603 | 7987 | mvP2 = mvB; | |
| 604 |
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178254 | } else if (mode == MV_PRED_TOPRIGHT && mvC->ref == ref) { |
| 605 | 6800 | mvP2 = mvC; | |
| 606 | } | ||
| 607 |
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240838 | if (mvP2) { |
| 608 | 69384 | mvP->x = mvP2->x; | |
| 609 | 69384 | mvP->y = mvP2->y; | |
| 610 | } else | ||
| 611 | 171454 | mv_pred_median(h, mvP, mvA, mvB, mvC); | |
| 612 | |||
| 613 |
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240838 | if (mode < MV_PRED_PSKIP) { |
| 614 | 191075 | int mx = get_se_golomb(&h->gb) + (unsigned)mvP->x; | |
| 615 | 191075 | int my = get_se_golomb(&h->gb) + (unsigned)mvP->y; | |
| 616 | |||
| 617 |
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191075 | if (mx != (int16_t)mx || my != (int16_t)my) { |
| 618 | ✗ | av_log(h->avctx, AV_LOG_ERROR, "MV %d %d out of supported range\n", mx, my); | |
| 619 | } else { | ||
| 620 | 191075 | mvP->x = mx; | |
| 621 | 191075 | mvP->y = my; | |
| 622 | } | ||
| 623 | } | ||
| 624 | 240838 | set_mvs(mvP, size); | |
| 625 | 240838 | } | |
| 626 | |||
| 627 | /***************************************************************************** | ||
| 628 | * | ||
| 629 | * macroblock level | ||
| 630 | * | ||
| 631 | ****************************************************************************/ | ||
| 632 | |||
| 633 | /** | ||
| 634 | * initialise predictors for motion vectors and intra prediction | ||
| 635 | */ | ||
| 636 | 304585 | void ff_cavs_init_mb(AVSContext *h) | |
| 637 | { | ||
| 638 | int i; | ||
| 639 | |||
| 640 | /* copy predictors from top line (MB B and C) into cache */ | ||
| 641 |
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1218340 | for (i = 0; i < 3; i++) { |
| 642 | 913755 | h->mv[MV_FWD_B2 + i] = h->top_mv[0][h->mbx * 2 + i]; | |
| 643 | 913755 | h->mv[MV_BWD_B2 + i] = h->top_mv[1][h->mbx * 2 + i]; | |
| 644 | } | ||
| 645 | 304585 | h->pred_mode_Y[1] = h->top_pred_Y[h->mbx * 2 + 0]; | |
| 646 | 304585 | h->pred_mode_Y[2] = h->top_pred_Y[h->mbx * 2 + 1]; | |
| 647 | /* clear top predictors if MB B is not available */ | ||
| 648 |
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304585 | if (!(h->flags & B_AVAIL)) { |
| 649 | 8450 | h->mv[MV_FWD_B2] = un_mv; | |
| 650 | 8450 | h->mv[MV_FWD_B3] = un_mv; | |
| 651 | 8450 | h->mv[MV_BWD_B2] = un_mv; | |
| 652 | 8450 | h->mv[MV_BWD_B3] = un_mv; | |
| 653 | 8450 | h->pred_mode_Y[1] = h->pred_mode_Y[2] = NOT_AVAIL; | |
| 654 | 8450 | h->flags &= ~(C_AVAIL | D_AVAIL); | |
| 655 |
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296135 | } else if (h->mbx) { |
| 656 | 289588 | h->flags |= D_AVAIL; | |
| 657 | } | ||
| 658 |
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304585 | if (h->mbx == h->mb_width - 1) // MB C not available |
| 659 | 6733 | h->flags &= ~C_AVAIL; | |
| 660 | /* clear top-right predictors if MB C is not available */ | ||
| 661 |
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304585 | if (!(h->flags & C_AVAIL)) { |
| 662 | 14996 | h->mv[MV_FWD_C2] = un_mv; | |
| 663 | 14996 | h->mv[MV_BWD_C2] = un_mv; | |
| 664 | } | ||
| 665 | /* clear top-left predictors if MB D is not available */ | ||
| 666 |
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304585 | if (!(h->flags & D_AVAIL)) { |
| 667 | 14997 | h->mv[MV_FWD_D3] = un_mv; | |
| 668 | 14997 | h->mv[MV_BWD_D3] = un_mv; | |
| 669 | } | ||
| 670 | 304585 | } | |
| 671 | |||
| 672 | /** | ||
| 673 | * save predictors for later macroblocks and increase | ||
| 674 | * macroblock address | ||
| 675 | * @return 0 if end of frame is reached, 1 otherwise | ||
| 676 | */ | ||
| 677 | 304585 | int ff_cavs_next_mb(AVSContext *h) | |
| 678 | { | ||
| 679 | int i; | ||
| 680 | |||
| 681 | 304585 | h->flags |= A_AVAIL; | |
| 682 | 304585 | h->cy += 16; | |
| 683 | 304585 | h->cu += 8; | |
| 684 | 304585 | h->cv += 8; | |
| 685 | /* copy mvs as predictors to the left */ | ||
| 686 |
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2132095 | for (i = 0; i <= 20; i += 4) |
| 687 | 1827510 | h->mv[i] = h->mv[i + 2]; | |
| 688 | /* copy bottom mvs from cache to top line */ | ||
| 689 | 304585 | h->top_mv[0][h->mbx * 2 + 0] = h->mv[MV_FWD_X2]; | |
| 690 | 304585 | h->top_mv[0][h->mbx * 2 + 1] = h->mv[MV_FWD_X3]; | |
| 691 | 304585 | h->top_mv[1][h->mbx * 2 + 0] = h->mv[MV_BWD_X2]; | |
| 692 | 304585 | h->top_mv[1][h->mbx * 2 + 1] = h->mv[MV_BWD_X3]; | |
| 693 | /* next MB address */ | ||
| 694 | 304585 | h->mbidx++; | |
| 695 | 304585 | h->mbx++; | |
| 696 |
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304585 | if (h->mbx == h->mb_width) { // New mb line |
| 697 | 6733 | h->flags = B_AVAIL | C_AVAIL; | |
| 698 | /* clear left pred_modes */ | ||
| 699 | 6733 | h->pred_mode_Y[3] = h->pred_mode_Y[6] = NOT_AVAIL; | |
| 700 | /* clear left mv predictors */ | ||
| 701 |
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47131 | for (i = 0; i <= 20; i += 4) |
| 702 | 40398 | h->mv[i] = un_mv; | |
| 703 | 6733 | h->mbx = 0; | |
| 704 | 6733 | h->mby++; | |
| 705 | /* re-calculate sample pointers */ | ||
| 706 | 6733 | h->cy = h->cur.f->data[0] + h->mby * 16 * h->l_stride; | |
| 707 | 6733 | h->cu = h->cur.f->data[1] + h->mby * 8 * h->c_stride; | |
| 708 | 6733 | h->cv = h->cur.f->data[2] + h->mby * 8 * h->c_stride; | |
| 709 |
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6733 | if (h->mby == h->mb_height) { // Frame end |
| 710 | 186 | return 0; | |
| 711 | } | ||
| 712 | } | ||
| 713 | 304399 | return 1; | |
| 714 | } | ||
| 715 | |||
| 716 | /***************************************************************************** | ||
| 717 | * | ||
| 718 | * frame level | ||
| 719 | * | ||
| 720 | ****************************************************************************/ | ||
| 721 | |||
| 722 | 187 | int ff_cavs_init_pic(AVSContext *h) | |
| 723 | { | ||
| 724 | int i; | ||
| 725 | |||
| 726 | /* clear some predictors */ | ||
| 727 |
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1309 | for (i = 0; i <= 20; i += 4) |
| 728 | 1122 | h->mv[i] = un_mv; | |
| 729 | 187 | h->mv[MV_BWD_X0] = ff_cavs_dir_mv; | |
| 730 | 187 | set_mvs(&h->mv[MV_BWD_X0], BLK_16X16); | |
| 731 | 187 | h->mv[MV_FWD_X0] = ff_cavs_dir_mv; | |
| 732 | 187 | set_mvs(&h->mv[MV_FWD_X0], BLK_16X16); | |
| 733 | 187 | h->pred_mode_Y[3] = h->pred_mode_Y[6] = NOT_AVAIL; | |
| 734 | 187 | h->cy = h->cur.f->data[0]; | |
| 735 | 187 | h->cu = h->cur.f->data[1]; | |
| 736 | 187 | h->cv = h->cur.f->data[2]; | |
| 737 | 187 | h->l_stride = h->cur.f->linesize[0]; | |
| 738 | 187 | h->c_stride = h->cur.f->linesize[1]; | |
| 739 | 187 | h->luma_scan[2] = 8 * h->l_stride; | |
| 740 | 187 | h->luma_scan[3] = 8 * h->l_stride + 8; | |
| 741 | 187 | h->mbx = h->mby = h->mbidx = 0; | |
| 742 | 187 | h->flags = 0; | |
| 743 | |||
| 744 | 187 | return 0; | |
| 745 | } | ||
| 746 | |||
| 747 | /***************************************************************************** | ||
| 748 | * | ||
| 749 | * headers and interface | ||
| 750 | * | ||
| 751 | ****************************************************************************/ | ||
| 752 | |||
| 753 | /** | ||
| 754 | * some predictions require data from the top-neighbouring macroblock. | ||
| 755 | * this data has to be stored for one complete row of macroblocks | ||
| 756 | * and this storage space is allocated here | ||
| 757 | */ | ||
| 758 | 5 | int ff_cavs_init_top_lines(AVSContext *h) | |
| 759 | { | ||
| 760 | /* alloc top line of predictors */ | ||
| 761 | 5 | h->top_qp = av_mallocz(h->mb_width); | |
| 762 | 5 | h->top_mv[0] = av_calloc(h->mb_width * 2 + 1, sizeof(cavs_vector)); | |
| 763 | 5 | h->top_mv[1] = av_calloc(h->mb_width * 2 + 1, sizeof(cavs_vector)); | |
| 764 | 5 | h->top_pred_Y = av_calloc(h->mb_width * 2, sizeof(*h->top_pred_Y)); | |
| 765 | 5 | h->top_border_y = av_calloc(h->mb_width + 1, 16); | |
| 766 | 5 | h->top_border_u = av_calloc(h->mb_width, 10); | |
| 767 | 5 | h->top_border_v = av_calloc(h->mb_width, 10); | |
| 768 | |||
| 769 | /* alloc space for co-located MVs and types */ | ||
| 770 | 5 | h->col_mv = av_calloc(h->mb_width * h->mb_height, | |
| 771 | 4 * sizeof(*h->col_mv)); | ||
| 772 | 5 | h->col_type_base = av_mallocz(h->mb_width * h->mb_height); | |
| 773 | 5 | h->block = av_mallocz(64 * sizeof(int16_t)); | |
| 774 | |||
| 775 |
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5 | if (!h->top_qp || !h->top_mv[0] || !h->top_mv[1] || !h->top_pred_Y || |
| 776 |
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5 | !h->top_border_y || !h->top_border_u || !h->top_border_v || |
| 777 |
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5 | !h->col_mv || !h->col_type_base || !h->block) { |
| 778 | ✗ | av_freep(&h->top_qp); | |
| 779 | ✗ | av_freep(&h->top_mv[0]); | |
| 780 | ✗ | av_freep(&h->top_mv[1]); | |
| 781 | ✗ | av_freep(&h->top_pred_Y); | |
| 782 | ✗ | av_freep(&h->top_border_y); | |
| 783 | ✗ | av_freep(&h->top_border_u); | |
| 784 | ✗ | av_freep(&h->top_border_v); | |
| 785 | ✗ | av_freep(&h->col_mv); | |
| 786 | ✗ | av_freep(&h->col_type_base); | |
| 787 | ✗ | av_freep(&h->block); | |
| 788 | ✗ | return AVERROR(ENOMEM); | |
| 789 | } | ||
| 790 | 5 | return 0; | |
| 791 | } | ||
| 792 | |||
| 793 | 6 | av_cold int ff_cavs_init(AVCodecContext *avctx) | |
| 794 | { | ||
| 795 | 6 | AVSContext *h = avctx->priv_data; | |
| 796 | uint8_t permutation[64]; | ||
| 797 | |||
| 798 | 6 | ff_blockdsp_init(&h->bdsp); | |
| 799 | 6 | ff_h264chroma_init(&h->h264chroma, 8); | |
| 800 | 6 | ff_videodsp_init(&h->vdsp, 8); | |
| 801 | 6 | ff_cavsdsp_init(&h->cdsp); | |
| 802 | 6 | ff_init_scantable_permutation(permutation, h->cdsp.idct_perm); | |
| 803 | 6 | ff_permute_scantable(h->permutated_scantable, ff_zigzag_direct, permutation); | |
| 804 | |||
| 805 | 6 | h->avctx = avctx; | |
| 806 | 6 | avctx->pix_fmt = AV_PIX_FMT_YUV420P; | |
| 807 | |||
| 808 | 6 | h->cur.f = av_frame_alloc(); | |
| 809 | 6 | h->DPB[0].f = av_frame_alloc(); | |
| 810 | 6 | h->DPB[1].f = av_frame_alloc(); | |
| 811 |
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6 | if (!h->cur.f || !h->DPB[0].f || !h->DPB[1].f) |
| 812 | ✗ | return AVERROR(ENOMEM); | |
| 813 | |||
| 814 | 6 | h->luma_scan[0] = 0; | |
| 815 | 6 | h->luma_scan[1] = 8; | |
| 816 | 6 | h->intra_pred_l[INTRA_L_VERT] = intra_pred_vert; | |
| 817 | 6 | h->intra_pred_l[INTRA_L_HORIZ] = intra_pred_horiz; | |
| 818 | 6 | h->intra_pred_l[INTRA_L_LP] = intra_pred_lp; | |
| 819 | 6 | h->intra_pred_l[INTRA_L_DOWN_LEFT] = intra_pred_down_left; | |
| 820 | 6 | h->intra_pred_l[INTRA_L_DOWN_RIGHT] = intra_pred_down_right; | |
| 821 | 6 | h->intra_pred_l[INTRA_L_LP_LEFT] = intra_pred_lp_left; | |
| 822 | 6 | h->intra_pred_l[INTRA_L_LP_TOP] = intra_pred_lp_top; | |
| 823 | 6 | h->intra_pred_l[INTRA_L_DC_128] = intra_pred_dc_128; | |
| 824 | 6 | h->intra_pred_c[INTRA_C_LP] = intra_pred_lp; | |
| 825 | 6 | h->intra_pred_c[INTRA_C_HORIZ] = intra_pred_horiz; | |
| 826 | 6 | h->intra_pred_c[INTRA_C_VERT] = intra_pred_vert; | |
| 827 | 6 | h->intra_pred_c[INTRA_C_PLANE] = intra_pred_plane; | |
| 828 | 6 | h->intra_pred_c[INTRA_C_LP_LEFT] = intra_pred_lp_left; | |
| 829 | 6 | h->intra_pred_c[INTRA_C_LP_TOP] = intra_pred_lp_top; | |
| 830 | 6 | h->intra_pred_c[INTRA_C_DC_128] = intra_pred_dc_128; | |
| 831 | 6 | h->mv[7] = un_mv; | |
| 832 | 6 | h->mv[19] = un_mv; | |
| 833 | 6 | return 0; | |
| 834 | } | ||
| 835 | |||
| 836 | 6 | av_cold int ff_cavs_end(AVCodecContext *avctx) | |
| 837 | { | ||
| 838 | 6 | AVSContext *h = avctx->priv_data; | |
| 839 | |||
| 840 | 6 | av_frame_free(&h->cur.f); | |
| 841 | 6 | av_frame_free(&h->DPB[0].f); | |
| 842 | 6 | av_frame_free(&h->DPB[1].f); | |
| 843 | |||
| 844 | 6 | av_freep(&h->top_qp); | |
| 845 | 6 | av_freep(&h->top_mv[0]); | |
| 846 | 6 | av_freep(&h->top_mv[1]); | |
| 847 | 6 | av_freep(&h->top_pred_Y); | |
| 848 | 6 | av_freep(&h->top_border_y); | |
| 849 | 6 | av_freep(&h->top_border_u); | |
| 850 | 6 | av_freep(&h->top_border_v); | |
| 851 | 6 | av_freep(&h->col_mv); | |
| 852 | 6 | av_freep(&h->col_type_base); | |
| 853 | 6 | av_freep(&h->block); | |
| 854 | 6 | av_freep(&h->edge_emu_buffer); | |
| 855 | 6 | return 0; | |
| 856 | } | ||
| 857 |