Directory: | ../../../ffmpeg/ |
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File: | src/libavcodec/cavs.c |
Date: | 2022-07-05 19:52:29 |
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Lines: | 470 | 486 | 96.7% |
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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 "golomb.h" | ||
30 | #include "h264chroma.h" | ||
31 | #include "idctdsp.h" | ||
32 | #include "mathops.h" | ||
33 | #include "qpeldsp.h" | ||
34 | #include "cavs.h" | ||
35 | |||
36 | static const uint8_t alpha_tab[64] = { | ||
37 | 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 3, 3, | ||
38 | 4, 4, 5, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, | ||
39 | 22, 24, 26, 28, 30, 33, 33, 35, 35, 36, 37, 37, 39, 39, 42, 44, | ||
40 | 46, 48, 50, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64 | ||
41 | }; | ||
42 | |||
43 | static const uint8_t beta_tab[64] = { | ||
44 | 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, | ||
45 | 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, | ||
46 | 6, 7, 7, 7, 8, 8, 8, 9, 9, 10, 10, 11, 11, 12, 13, 14, | ||
47 | 15, 16, 17, 18, 19, 20, 21, 22, 23, 23, 24, 24, 25, 25, 26, 27 | ||
48 | }; | ||
49 | |||
50 | static const uint8_t tc_tab[64] = { | ||
51 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | ||
52 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, | ||
53 | 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, | ||
54 | 5, 5, 5, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9 | ||
55 | }; | ||
56 | |||
57 | /** mark block as unavailable, i.e. out of picture | ||
58 | * or not yet decoded */ | ||
59 | static const cavs_vector un_mv = { 0, 0, 1, NOT_AVAIL }; | ||
60 | |||
61 | static const int8_t left_modifier_l[8] = { 0, -1, 6, -1, -1, 7, 6, 7 }; | ||
62 | static const int8_t top_modifier_l[8] = { -1, 1, 5, -1, -1, 5, 7, 7 }; | ||
63 | static const int8_t left_modifier_c[7] = { 5, -1, 2, -1, 6, 5, 6 }; | ||
64 | static const int8_t top_modifier_c[7] = { 4, 1, -1, -1, 4, 6, 6 }; | ||
65 | |||
66 | /***************************************************************************** | ||
67 | * | ||
68 | * in-loop deblocking filter | ||
69 | * | ||
70 | ****************************************************************************/ | ||
71 | |||
72 | 1793782 | static inline int get_bs(cavs_vector *mvP, cavs_vector *mvQ, int b) | |
73 | { | ||
74 |
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1793782 | if ((mvP->ref == REF_INTRA) || (mvQ->ref == REF_INTRA)) |
75 | 15674 | return 2; | |
76 |
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1778108 | if((abs(mvP->x - mvQ->x) >= 4) || |
77 |
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1673007 | (abs(mvP->y - mvQ->y) >= 4) || |
78 |
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1611712 | (mvP->ref != mvQ->ref)) |
79 | 303544 | return 1; | |
80 |
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1474564 | if (b) { |
81 | 1217805 | mvP += MV_BWD_OFFS; | |
82 | 1217805 | mvQ += MV_BWD_OFFS; | |
83 |
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1217805 | if((abs(mvP->x - mvQ->x) >= 4) || |
84 |
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1203525 | (abs(mvP->y - mvQ->y) >= 4) || |
85 |
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1195077 | (mvP->ref != mvQ->ref)) |
86 | 67614 | return 1; | |
87 | } | ||
88 | 1406950 | return 0; | |
89 | } | ||
90 | |||
91 | #define SET_PARAMS \ | ||
92 | alpha = alpha_tab[av_clip_uintp2(qp_avg + h->alpha_offset, 6)]; \ | ||
93 | beta = beta_tab[av_clip_uintp2(qp_avg + h->beta_offset, 6)]; \ | ||
94 | tc = tc_tab[av_clip_uintp2(qp_avg + h->alpha_offset, 6)]; | ||
95 | |||
96 | /** | ||
97 | * in-loop deblocking filter for a single macroblock | ||
98 | * | ||
99 | * boundary strength (bs) mapping: | ||
100 | * | ||
101 | * --4---5-- | ||
102 | * 0 2 | | ||
103 | * | 6 | 7 | | ||
104 | * 1 3 | | ||
105 | * --------- | ||
106 | */ | ||
107 | 297745 | void ff_cavs_filter(AVSContext *h, enum cavs_mb mb_type) | |
108 | { | ||
109 | uint8_t bs[8]; | ||
110 | int qp_avg, alpha, beta, tc; | ||
111 | int i; | ||
112 | |||
113 | /* save un-deblocked lines */ | ||
114 | 297745 | h->topleft_border_y = h->top_border_y[h->mbx * 16 + 15]; | |
115 | 297745 | h->topleft_border_u = h->top_border_u[h->mbx * 10 + 8]; | |
116 | 297745 | h->topleft_border_v = h->top_border_v[h->mbx * 10 + 8]; | |
117 | 297745 | memcpy(&h->top_border_y[h->mbx * 16], h->cy + 15 * h->l_stride, 16); | |
118 | 297745 | memcpy(&h->top_border_u[h->mbx * 10 + 1], h->cu + 7 * h->c_stride, 8); | |
119 | 297745 | memcpy(&h->top_border_v[h->mbx * 10 + 1], h->cv + 7 * h->c_stride, 8); | |
120 |
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2679705 | for (i = 0; i < 8; i++) { |
121 | 2381960 | h->left_border_y[i * 2 + 1] = *(h->cy + 15 + (i * 2 + 0) * h->l_stride); | |
122 | 2381960 | h->left_border_y[i * 2 + 2] = *(h->cy + 15 + (i * 2 + 1) * h->l_stride); | |
123 | 2381960 | h->left_border_u[i + 1] = *(h->cu + 7 + i * h->c_stride); | |
124 | 2381960 | h->left_border_v[i + 1] = *(h->cv + 7 + i * h->c_stride); | |
125 | } | ||
126 |
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297745 | if (!h->loop_filter_disable) { |
127 | /* determine bs */ | ||
128 |
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297745 | if (mb_type == I_8X8) |
129 | 25344 | memset(bs, 2, 8); | |
130 | else { | ||
131 | 272401 | memset(bs, 0, 8); | |
132 |
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272401 | if (ff_cavs_partition_flags[mb_type] & SPLITV) { |
133 | 175404 | bs[2] = get_bs(&h->mv[MV_FWD_X0], &h->mv[MV_FWD_X1], mb_type > P_8X8); | |
134 | 175404 | bs[3] = get_bs(&h->mv[MV_FWD_X2], &h->mv[MV_FWD_X3], mb_type > P_8X8); | |
135 | } | ||
136 |
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272401 | if (ff_cavs_partition_flags[mb_type] & SPLITH) { |
137 | 176685 | bs[6] = get_bs(&h->mv[MV_FWD_X0], &h->mv[MV_FWD_X2], mb_type > P_8X8); | |
138 | 176685 | bs[7] = get_bs(&h->mv[MV_FWD_X1], &h->mv[MV_FWD_X3], mb_type > P_8X8); | |
139 | } | ||
140 | 272401 | bs[0] = get_bs(&h->mv[MV_FWD_A1], &h->mv[MV_FWD_X0], mb_type > P_8X8); | |
141 | 272401 | bs[1] = get_bs(&h->mv[MV_FWD_A3], &h->mv[MV_FWD_X2], mb_type > P_8X8); | |
142 | 272401 | bs[4] = get_bs(&h->mv[MV_FWD_B2], &h->mv[MV_FWD_X0], mb_type > P_8X8); | |
143 | 272401 | bs[5] = get_bs(&h->mv[MV_FWD_B3], &h->mv[MV_FWD_X1], mb_type > P_8X8); | |
144 | } | ||
145 |
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297745 | if (AV_RN64(bs)) { |
146 |
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134358 | if (h->flags & A_AVAIL) { |
147 | 127741 | qp_avg = (h->qp + h->left_qp + 1) >> 1; | |
148 | 127741 | SET_PARAMS; | |
149 | 127741 | h->cdsp.cavs_filter_lv(h->cy, h->l_stride, alpha, beta, tc, bs[0], bs[1]); | |
150 | 127741 | qp_avg = (ff_cavs_chroma_qp[h->qp] + ff_cavs_chroma_qp[h->left_qp] + 1) >> 1; | |
151 | 127741 | SET_PARAMS; | |
152 | 127741 | h->cdsp.cavs_filter_cv(h->cu, h->c_stride, alpha, beta, tc, bs[0], bs[1]); | |
153 | 127741 | h->cdsp.cavs_filter_cv(h->cv, h->c_stride, alpha, beta, tc, bs[0], bs[1]); | |
154 | } | ||
155 | 134358 | qp_avg = h->qp; | |
156 | 134358 | SET_PARAMS; | |
157 | 134358 | h->cdsp.cavs_filter_lv(h->cy + 8, h->l_stride, alpha, beta, tc, bs[2], bs[3]); | |
158 | 134358 | h->cdsp.cavs_filter_lh(h->cy + 8 * h->l_stride, h->l_stride, alpha, beta, tc, bs[6], bs[7]); | |
159 | |||
160 |
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134358 | if (h->flags & B_AVAIL) { |
161 | 126078 | qp_avg = (h->qp + h->top_qp[h->mbx] + 1) >> 1; | |
162 | 126078 | SET_PARAMS; | |
163 | 126078 | h->cdsp.cavs_filter_lh(h->cy, h->l_stride, alpha, beta, tc, bs[4], bs[5]); | |
164 | 126078 | qp_avg = (ff_cavs_chroma_qp[h->qp] + ff_cavs_chroma_qp[h->top_qp[h->mbx]] + 1) >> 1; | |
165 | 126078 | SET_PARAMS; | |
166 | 126078 | h->cdsp.cavs_filter_ch(h->cu, h->c_stride, alpha, beta, tc, bs[4], bs[5]); | |
167 | 126078 | h->cdsp.cavs_filter_ch(h->cv, h->c_stride, alpha, beta, tc, bs[4], bs[5]); | |
168 | } | ||
169 | } | ||
170 | } | ||
171 | 297745 | h->left_qp = h->qp; | |
172 | 297745 | h->top_qp[h->mbx] = h->qp; | |
173 | 297745 | } | |
174 | |||
175 | #undef SET_PARAMS | ||
176 | |||
177 | /***************************************************************************** | ||
178 | * | ||
179 | * spatial intra prediction | ||
180 | * | ||
181 | ****************************************************************************/ | ||
182 | |||
183 | 101376 | void ff_cavs_load_intra_pred_luma(AVSContext *h, uint8_t *top, | |
184 | uint8_t **left, int block) | ||
185 | { | ||
186 | int i; | ||
187 | |||
188 |
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101376 | switch (block) { |
189 | 25344 | case 0: | |
190 | 25344 | *left = h->left_border_y; | |
191 | 25344 | h->left_border_y[0] = h->left_border_y[1]; | |
192 | 25344 | memset(&h->left_border_y[17], h->left_border_y[16], 9); | |
193 | 25344 | memcpy(&top[1], &h->top_border_y[h->mbx * 16], 16); | |
194 | 25344 | top[17] = top[16]; | |
195 | 25344 | top[0] = top[1]; | |
196 |
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25344 | if ((h->flags & A_AVAIL) && (h->flags & B_AVAIL)) |
197 | 24410 | h->left_border_y[0] = top[0] = h->topleft_border_y; | |
198 | 25344 | break; | |
199 | 25344 | case 1: | |
200 | 25344 | *left = h->intern_border_y; | |
201 |
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228096 | for (i = 0; i < 8; i++) |
202 | 202752 | h->intern_border_y[i + 1] = *(h->cy + 7 + i * h->l_stride); | |
203 | 25344 | memset(&h->intern_border_y[9], h->intern_border_y[8], 9); | |
204 | 25344 | h->intern_border_y[0] = h->intern_border_y[1]; | |
205 | 25344 | memcpy(&top[1], &h->top_border_y[h->mbx * 16 + 8], 8); | |
206 |
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25344 | if (h->flags & C_AVAIL) |
207 | 24175 | memcpy(&top[9], &h->top_border_y[(h->mbx + 1) * 16], 8); | |
208 | else | ||
209 | 1169 | memset(&top[9], top[8], 9); | |
210 | 25344 | top[17] = top[16]; | |
211 | 25344 | top[0] = top[1]; | |
212 |
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25344 | if (h->flags & B_AVAIL) |
213 | 24808 | h->intern_border_y[0] = top[0] = h->top_border_y[h->mbx * 16 + 7]; | |
214 | 25344 | break; | |
215 | 25344 | case 2: | |
216 | 25344 | *left = &h->left_border_y[8]; | |
217 | 25344 | memcpy(&top[1], h->cy + 7 * h->l_stride, 16); | |
218 | 25344 | top[17] = top[16]; | |
219 | 25344 | top[0] = top[1]; | |
220 |
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25344 | if (h->flags & A_AVAIL) |
221 | 24937 | top[0] = h->left_border_y[8]; | |
222 | 25344 | break; | |
223 | 25344 | case 3: | |
224 | 25344 | *left = &h->intern_border_y[8]; | |
225 |
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228096 | for (i = 0; i < 8; i++) |
226 | 202752 | h->intern_border_y[i + 9] = *(h->cy + 7 + (i + 8) * h->l_stride); | |
227 | 25344 | memset(&h->intern_border_y[17], h->intern_border_y[16], 9); | |
228 | 25344 | memcpy(&top[0], h->cy + 7 + 7 * h->l_stride, 9); | |
229 | 25344 | memset(&top[9], top[8], 9); | |
230 | 25344 | break; | |
231 | } | ||
232 | 101376 | } | |
233 | |||
234 | 25344 | void ff_cavs_load_intra_pred_chroma(AVSContext *h) | |
235 | { | ||
236 | /* extend borders by one pixel */ | ||
237 | 25344 | h->left_border_u[9] = h->left_border_u[8]; | |
238 | 25344 | h->left_border_v[9] = h->left_border_v[8]; | |
239 |
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25344 | if(h->flags & C_AVAIL) { |
240 | 24175 | h->top_border_u[h->mbx*10 + 9] = h->top_border_u[h->mbx*10 + 11]; | |
241 | 24175 | h->top_border_v[h->mbx*10 + 9] = h->top_border_v[h->mbx*10 + 11]; | |
242 | } else { | ||
243 | 1169 | h->top_border_u[h->mbx * 10 + 9] = h->top_border_u[h->mbx * 10 + 8]; | |
244 | 1169 | h->top_border_v[h->mbx * 10 + 9] = h->top_border_v[h->mbx * 10 + 8]; | |
245 | } | ||
246 |
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25344 | if((h->flags & A_AVAIL) && (h->flags & B_AVAIL)) { |
247 | 24410 | h->top_border_u[h->mbx * 10] = h->left_border_u[0] = h->topleft_border_u; | |
248 | 24410 | h->top_border_v[h->mbx * 10] = h->left_border_v[0] = h->topleft_border_v; | |
249 | } else { | ||
250 | 934 | h->left_border_u[0] = h->left_border_u[1]; | |
251 | 934 | h->left_border_v[0] = h->left_border_v[1]; | |
252 | 934 | h->top_border_u[h->mbx * 10] = h->top_border_u[h->mbx * 10 + 1]; | |
253 | 934 | h->top_border_v[h->mbx * 10] = h->top_border_v[h->mbx * 10 + 1]; | |
254 | } | ||
255 | 25344 | } | |
256 | |||
257 | 45576 | static void intra_pred_vert(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride) | |
258 | { | ||
259 | int y; | ||
260 | 45576 | uint64_t a = AV_RN64(&top[1]); | |
261 |
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410184 | for (y = 0; y < 8; y++) |
262 | 364608 | *((uint64_t *)(d + y * stride)) = a; | |
263 | 45576 | } | |
264 | |||
265 | 33618 | static void intra_pred_horiz(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride) | |
266 | { | ||
267 | int y; | ||
268 | uint64_t a; | ||
269 |
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302562 | for (y = 0; y < 8; y++) { |
270 | 268944 | a = left[y + 1] * 0x0101010101010101ULL; | |
271 | 268944 | *((uint64_t *)(d + y * stride)) = a; | |
272 | } | ||
273 | 33618 | } | |
274 | |||
275 | 27 | static void intra_pred_dc_128(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride) | |
276 | { | ||
277 | int y; | ||
278 | 27 | uint64_t a = 0x8080808080808080ULL; | |
279 |
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243 | for (y = 0; y < 8; y++) |
280 | 216 | *((uint64_t *)(d + y * stride)) = a; | |
281 | 27 | } | |
282 | |||
283 | 2756 | static void intra_pred_plane(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride) | |
284 | { | ||
285 | int x, y, ia; | ||
286 | 2756 | int ih = 0; | |
287 | 2756 | int iv = 0; | |
288 | 2756 | const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP; | |
289 | |||
290 |
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13780 | for (x = 0; x < 4; x++) { |
291 | 11024 | ih += (x + 1) * (top[5 + x] - top[3 - x]); | |
292 | 11024 | iv += (x + 1) * (left[5 + x] - left[3 - x]); | |
293 | } | ||
294 | 2756 | ia = (top[8] + left[8]) << 4; | |
295 | 2756 | ih = (17 * ih + 16) >> 5; | |
296 | 2756 | iv = (17 * iv + 16) >> 5; | |
297 |
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24804 | for (y = 0; y < 8; y++) |
298 |
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198432 | for (x = 0; x < 8; x++) |
299 | 176384 | d[y * stride + x] = cm[(ia + (x - 3) * ih + (y - 3) * iv + 16) >> 5]; | |
300 | 2756 | } | |
301 | |||
302 | #define LOWPASS(ARRAY, INDEX) \ | ||
303 | ((ARRAY[(INDEX) - 1] + 2 * ARRAY[(INDEX)] + ARRAY[(INDEX) + 1] + 2) >> 2) | ||
304 | |||
305 | 61656 | static void intra_pred_lp(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride) | |
306 | { | ||
307 | int x, y; | ||
308 |
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554904 | for (y = 0; y < 8; y++) |
309 |
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4439232 | for (x = 0; x < 8; x++) |
310 | 3945984 | d[y * stride + x] = (LOWPASS(top, x + 1) + LOWPASS(left, y + 1)) >> 1; | |
311 | 61656 | } | |
312 | |||
313 | 2887 | static void intra_pred_down_left(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride) | |
314 | { | ||
315 | int x, y; | ||
316 |
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25983 | for (y = 0; y < 8; y++) |
317 |
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207864 | for (x = 0; x < 8; x++) |
318 | 184768 | d[y * stride + x] = (LOWPASS(top, x + y + 2) + LOWPASS(left, x + y + 2)) >> 1; | |
319 | 2887 | } | |
320 | |||
321 | 1826 | static void intra_pred_down_right(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride) | |
322 | { | ||
323 | int x, y; | ||
324 |
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16434 | for (y = 0; y < 8; y++) |
325 |
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131472 | for (x = 0; x < 8; x++) |
326 |
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116864 | if (x == y) |
327 | 14608 | d[y * stride + x] = (left[1] + 2 * top[0] + top[1] + 2) >> 2; | |
328 |
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102256 | else if (x > y) |
329 | 51128 | d[y * stride + x] = LOWPASS(top, x - y); | |
330 | else | ||
331 | 51128 | d[y * stride + x] = LOWPASS(left, y - x); | |
332 | 1826 | } | |
333 | |||
334 | 2117 | static void intra_pred_lp_left(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride) | |
335 | { | ||
336 | int x, y; | ||
337 |
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19053 | for (y = 0; y < 8; y++) |
338 |
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152424 | for (x = 0; x < 8; x++) |
339 | 135488 | d[y * stride + x] = LOWPASS(left, y + 1); | |
340 | 2117 | } | |
341 | |||
342 | 1601 | static void intra_pred_lp_top(uint8_t *d, uint8_t *top, uint8_t *left, ptrdiff_t stride) | |
343 | { | ||
344 | int x, y; | ||
345 |
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14409 | for (y = 0; y < 8; y++) |
346 |
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115272 | for (x = 0; x < 8; x++) |
347 | 102464 | d[y * stride + x] = LOWPASS(top, x + 1); | |
348 | 1601 | } | |
349 | |||
350 | #undef LOWPASS | ||
351 | |||
352 | 2829 | static inline void modify_pred(const int8_t *mod_table, int *mode) | |
353 | { | ||
354 | 2829 | *mode = mod_table[*mode]; | |
355 |
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2829 | if (*mode < 0) { |
356 | ✗ | av_log(NULL, AV_LOG_ERROR, "Illegal intra prediction mode\n"); | |
357 | ✗ | *mode = 0; | |
358 | } | ||
359 | 2829 | } | |
360 | |||
361 | 25344 | void ff_cavs_modify_mb_i(AVSContext *h, int *pred_mode_uv) | |
362 | { | ||
363 | /* save pred modes before they get modified */ | ||
364 | 25344 | h->pred_mode_Y[3] = h->pred_mode_Y[5]; | |
365 | 25344 | h->pred_mode_Y[6] = h->pred_mode_Y[8]; | |
366 | 25344 | h->top_pred_Y[h->mbx * 2 + 0] = h->pred_mode_Y[7]; | |
367 | 25344 | h->top_pred_Y[h->mbx * 2 + 1] = h->pred_mode_Y[8]; | |
368 | |||
369 | /* modify pred modes according to availability of neighbour samples */ | ||
370 |
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25344 | if (!(h->flags & A_AVAIL)) { |
371 | 407 | modify_pred(left_modifier_l, &h->pred_mode_Y[4]); | |
372 | 407 | modify_pred(left_modifier_l, &h->pred_mode_Y[7]); | |
373 | 407 | modify_pred(left_modifier_c, pred_mode_uv); | |
374 | } | ||
375 |
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25344 | if (!(h->flags & B_AVAIL)) { |
376 | 536 | modify_pred(top_modifier_l, &h->pred_mode_Y[4]); | |
377 | 536 | modify_pred(top_modifier_l, &h->pred_mode_Y[5]); | |
378 | 536 | modify_pred(top_modifier_c, pred_mode_uv); | |
379 | } | ||
380 | 25344 | } | |
381 | |||
382 | /***************************************************************************** | ||
383 | * | ||
384 | * motion compensation | ||
385 | * | ||
386 | ****************************************************************************/ | ||
387 | |||
388 | 1448997 | static inline void mc_dir_part(AVSContext *h, AVFrame *pic, int chroma_height, | |
389 | int delta, int list, uint8_t *dest_y, | ||
390 | uint8_t *dest_cb, uint8_t *dest_cr, | ||
391 | int src_x_offset, int src_y_offset, | ||
392 | qpel_mc_func *qpix_op, | ||
393 | h264_chroma_mc_func chroma_op, cavs_vector *mv) | ||
394 | { | ||
395 | 1448997 | const int mx = mv->x + src_x_offset * 8; | |
396 | 1448997 | const int my = mv->y + src_y_offset * 8; | |
397 | 1448997 | const int luma_xy = (mx & 3) + ((my & 3) << 2); | |
398 | 1448997 | uint8_t *src_y = pic->data[0] + (mx >> 2) + (my >> 2) * h->l_stride; | |
399 | 1448997 | uint8_t *src_cb = pic->data[1] + (mx >> 3) + (my >> 3) * h->c_stride; | |
400 | 1448997 | uint8_t *src_cr = pic->data[2] + (mx >> 3) + (my >> 3) * h->c_stride; | |
401 | 1448997 | int extra_width = 0; | |
402 | 1448997 | int extra_height = extra_width; | |
403 | 1448997 | const int full_mx = mx >> 2; | |
404 | 1448997 | const int full_my = my >> 2; | |
405 | 1448997 | const int pic_width = 16 * h->mb_width; | |
406 | 1448997 | const int pic_height = 16 * h->mb_height; | |
407 | 1448997 | int emu = 0; | |
408 | |||
409 |
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1448997 | if (!pic->data[0]) |
410 | ✗ | return; | |
411 |
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1448997 | if (mx & 7) |
412 | 120702 | extra_width -= 3; | |
413 |
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1448997 | if (my & 7) |
414 | 125744 | extra_height -= 3; | |
415 | |||
416 |
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1448997 | if (full_mx < 0 - extra_width || |
417 |
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1448061 | full_my < 0 - extra_height || |
418 |
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1446581 | full_mx + 16 /* FIXME */ > pic_width + extra_width || |
419 |
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1431388 | full_my + 16 /* FIXME */ > pic_height + extra_height) { |
420 | 37368 | h->vdsp.emulated_edge_mc(h->edge_emu_buffer, | |
421 | 37368 | src_y - 2 - 2 * h->l_stride, | |
422 | h->l_stride, h->l_stride, | ||
423 | 16 + 5, 16 + 5 /* FIXME */, | ||
424 | full_mx - 2, full_my - 2, | ||
425 | pic_width, pic_height); | ||
426 | 37368 | src_y = h->edge_emu_buffer + 2 + 2 * h->l_stride; | |
427 | 37368 | emu = 1; | |
428 | } | ||
429 | |||
430 | // FIXME try variable height perhaps? | ||
431 | 1448997 | qpix_op[luma_xy](dest_y, src_y, h->l_stride); | |
432 | |||
433 |
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1448997 | if (emu) { |
434 | 37368 | h->vdsp.emulated_edge_mc(h->edge_emu_buffer, src_cb, | |
435 | h->c_stride, h->c_stride, | ||
436 | 9, 9 /* FIXME */, | ||
437 | mx >> 3, my >> 3, | ||
438 | pic_width >> 1, pic_height >> 1); | ||
439 | 37368 | src_cb = h->edge_emu_buffer; | |
440 | } | ||
441 | 1448997 | chroma_op(dest_cb, src_cb, h->c_stride, chroma_height, mx & 7, my & 7); | |
442 | |||
443 |
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1448997 | if (emu) { |
444 | 37368 | h->vdsp.emulated_edge_mc(h->edge_emu_buffer, src_cr, | |
445 | h->c_stride, h->c_stride, | ||
446 | 9, 9 /* FIXME */, | ||
447 | mx >> 3, my >> 3, | ||
448 | pic_width >> 1, pic_height >> 1); | ||
449 | 37368 | src_cr = h->edge_emu_buffer; | |
450 | } | ||
451 | 1448997 | chroma_op(dest_cr, src_cr, h->c_stride, chroma_height, mx & 7, my & 7); | |
452 | } | ||
453 | |||
454 | 832240 | static inline void mc_part_std(AVSContext *h, int chroma_height, int delta, | |
455 | uint8_t *dest_y, | ||
456 | uint8_t *dest_cb, | ||
457 | uint8_t *dest_cr, | ||
458 | int x_offset, int y_offset, | ||
459 | qpel_mc_func *qpix_put, | ||
460 | h264_chroma_mc_func chroma_put, | ||
461 | qpel_mc_func *qpix_avg, | ||
462 | h264_chroma_mc_func chroma_avg, | ||
463 | cavs_vector *mv) | ||
464 | { | ||
465 | 832240 | qpel_mc_func *qpix_op = qpix_put; | |
466 | 832240 | h264_chroma_mc_func chroma_op = chroma_put; | |
467 | |||
468 | 832240 | dest_y += x_offset * 2 + y_offset * h->l_stride * 2; | |
469 | 832240 | dest_cb += x_offset + y_offset * h->c_stride; | |
470 | 832240 | dest_cr += x_offset + y_offset * h->c_stride; | |
471 | 832240 | x_offset += 8 * h->mbx; | |
472 | 832240 | y_offset += 8 * h->mby; | |
473 | |||
474 |
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832240 | if (mv->ref >= 0) { |
475 | 788976 | AVFrame *ref = h->DPB[mv->ref].f; | |
476 | 788976 | mc_dir_part(h, ref, chroma_height, delta, 0, | |
477 | dest_y, dest_cb, dest_cr, x_offset, y_offset, | ||
478 | qpix_op, chroma_op, mv); | ||
479 | |||
480 | 788976 | qpix_op = qpix_avg; | |
481 | 788976 | chroma_op = chroma_avg; | |
482 | } | ||
483 | |||
484 |
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832240 | if ((mv + MV_BWD_OFFS)->ref >= 0) { |
485 | 660021 | AVFrame *ref = h->DPB[0].f; | |
486 | 660021 | mc_dir_part(h, ref, chroma_height, delta, 1, | |
487 | dest_y, dest_cb, dest_cr, x_offset, y_offset, | ||
488 | qpix_op, chroma_op, mv + MV_BWD_OFFS); | ||
489 | } | ||
490 | 832240 | } | |
491 | |||
492 | 272401 | void ff_cavs_inter(AVSContext *h, enum cavs_mb mb_type) | |
493 | { | ||
494 |
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272401 | if (ff_cavs_partition_flags[mb_type] == 0) { // 16x16 |
495 | 85788 | mc_part_std(h, 8, 0, h->cy, h->cu, h->cv, 0, 0, | |
496 | 85788 | h->cdsp.put_cavs_qpel_pixels_tab[0], | |
497 | h->h264chroma.put_h264_chroma_pixels_tab[0], | ||
498 | 85788 | h->cdsp.avg_cavs_qpel_pixels_tab[0], | |
499 | h->h264chroma.avg_h264_chroma_pixels_tab[0], | ||
500 | &h->mv[MV_FWD_X0]); | ||
501 | } else { | ||
502 | 186613 | mc_part_std(h, 4, 0, h->cy, h->cu, h->cv, 0, 0, | |
503 | 186613 | h->cdsp.put_cavs_qpel_pixels_tab[1], | |
504 | h->h264chroma.put_h264_chroma_pixels_tab[1], | ||
505 | 186613 | h->cdsp.avg_cavs_qpel_pixels_tab[1], | |
506 | h->h264chroma.avg_h264_chroma_pixels_tab[1], | ||
507 | &h->mv[MV_FWD_X0]); | ||
508 | 186613 | mc_part_std(h, 4, 0, h->cy, h->cu, h->cv, 4, 0, | |
509 | 186613 | h->cdsp.put_cavs_qpel_pixels_tab[1], | |
510 | h->h264chroma.put_h264_chroma_pixels_tab[1], | ||
511 | 186613 | h->cdsp.avg_cavs_qpel_pixels_tab[1], | |
512 | h->h264chroma.avg_h264_chroma_pixels_tab[1], | ||
513 | &h->mv[MV_FWD_X1]); | ||
514 | 186613 | mc_part_std(h, 4, 0, h->cy, h->cu, h->cv, 0, 4, | |
515 | 186613 | h->cdsp.put_cavs_qpel_pixels_tab[1], | |
516 | h->h264chroma.put_h264_chroma_pixels_tab[1], | ||
517 | 186613 | h->cdsp.avg_cavs_qpel_pixels_tab[1], | |
518 | h->h264chroma.avg_h264_chroma_pixels_tab[1], | ||
519 | &h->mv[MV_FWD_X2]); | ||
520 | 186613 | mc_part_std(h, 4, 0, h->cy, h->cu, h->cv, 4, 4, | |
521 | 186613 | h->cdsp.put_cavs_qpel_pixels_tab[1], | |
522 | h->h264chroma.put_h264_chroma_pixels_tab[1], | ||
523 | 186613 | h->cdsp.avg_cavs_qpel_pixels_tab[1], | |
524 | h->h264chroma.avg_h264_chroma_pixels_tab[1], | ||
525 | &h->mv[MV_FWD_X3]); | ||
526 | } | ||
527 | 272401 | } | |
528 | |||
529 | /***************************************************************************** | ||
530 | * | ||
531 | * motion vector prediction | ||
532 | * | ||
533 | ****************************************************************************/ | ||
534 | |||
535 | 510849 | static inline void scale_mv(AVSContext *h, int *d_x, int *d_y, | |
536 | cavs_vector *src, int distp) | ||
537 | { | ||
538 | 510849 | int64_t den = h->scale_den[FFMAX(src->ref, 0)]; | |
539 | 510849 | *d_x = (src->x * distp * den + 256 + FF_SIGNBIT(src->x)) >> 9; | |
540 | 510849 | *d_y = (src->y * distp * den + 256 + FF_SIGNBIT(src->y)) >> 9; | |
541 | 510849 | } | |
542 | |||
543 | 170283 | static inline void mv_pred_median(AVSContext *h, | |
544 | cavs_vector *mvP, | ||
545 | cavs_vector *mvA, | ||
546 | cavs_vector *mvB, | ||
547 | cavs_vector *mvC) | ||
548 | { | ||
549 | int ax, ay, bx, by, cx, cy; | ||
550 | int len_ab, len_bc, len_ca, len_mid; | ||
551 | |||
552 | /* scale candidates according to their temporal span */ | ||
553 | 170283 | scale_mv(h, &ax, &ay, mvA, mvP->dist); | |
554 | 170283 | scale_mv(h, &bx, &by, mvB, mvP->dist); | |
555 | 170283 | scale_mv(h, &cx, &cy, mvC, mvP->dist); | |
556 | /* find the geometrical median of the three candidates */ | ||
557 | 170283 | len_ab = abs(ax - bx) + abs(ay - by); | |
558 | 170283 | len_bc = abs(bx - cx) + abs(by - cy); | |
559 | 170283 | len_ca = abs(cx - ax) + abs(cy - ay); | |
560 | 170283 | len_mid = mid_pred(len_ab, len_bc, len_ca); | |
561 |
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170283 | if (len_mid == len_ab) { |
562 | 137907 | mvP->x = cx; | |
563 | 137907 | mvP->y = cy; | |
564 |
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32376 | } else if (len_mid == len_bc) { |
565 | 24630 | mvP->x = ax; | |
566 | 24630 | mvP->y = ay; | |
567 | } else { | ||
568 | 7746 | mvP->x = bx; | |
569 | 7746 | mvP->y = by; | |
570 | } | ||
571 | 170283 | } | |
572 | |||
573 | 238918 | void ff_cavs_mv(AVSContext *h, enum cavs_mv_loc nP, enum cavs_mv_loc nC, | |
574 | enum cavs_mv_pred mode, enum cavs_block size, int ref) | ||
575 | { | ||
576 | 238918 | cavs_vector *mvP = &h->mv[nP]; | |
577 | 238918 | cavs_vector *mvA = &h->mv[nP-1]; | |
578 | 238918 | cavs_vector *mvB = &h->mv[nP-4]; | |
579 | 238918 | cavs_vector *mvC = &h->mv[nC]; | |
580 | 238918 | const cavs_vector *mvP2 = NULL; | |
581 | |||
582 | 238918 | mvP->ref = ref; | |
583 | 238918 | mvP->dist = h->dist[mvP->ref]; | |
584 |
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238918 | if (mvC->ref == NOT_AVAIL || (nP == MV_FWD_X3) || (nP == MV_BWD_X3 )) |
585 | 28240 | mvC = &h->mv[nP - 5]; // set to top-left (mvD) | |
586 |
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238918 | if (mode == MV_PRED_PSKIP && |
587 |
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20801 | (mvA->ref == NOT_AVAIL || |
588 |
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20081 | mvB->ref == NOT_AVAIL || |
589 |
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19308 | (mvA->x | mvA->y | mvA->ref) == 0 || |
590 |
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850 | (mvB->x | mvB->y | mvB->ref) == 0)) { |
591 | 20434 | mvP2 = &un_mv; | |
592 | /* if there is only one suitable candidate, take it */ | ||
593 |
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218484 | } else if (mvA->ref >= 0 && mvB->ref < 0 && mvC->ref < 0) { |
594 | 11224 | mvP2 = mvA; | |
595 |
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207260 | } else if (mvA->ref < 0 && mvB->ref >= 0 && mvC->ref < 0) { |
596 | 4577 | mvP2 = mvB; | |
597 |
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202683 | } else if (mvA->ref < 0 && mvB->ref < 0 && mvC->ref >= 0) { |
598 | 3525 | mvP2 = mvC; | |
599 |
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199158 | } else if (mode == MV_PRED_LEFT && mvA->ref == ref) { |
600 | 14269 | mvP2 = mvA; | |
601 |
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184889 | } else if (mode == MV_PRED_TOP && mvB->ref == ref) { |
602 | 7898 | mvP2 = mvB; | |
603 |
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176991 | } else if (mode == MV_PRED_TOPRIGHT && mvC->ref == ref) { |
604 | 6708 | mvP2 = mvC; | |
605 | } | ||
606 |
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238918 | if (mvP2) { |
607 | 68635 | mvP->x = mvP2->x; | |
608 | 68635 | mvP->y = mvP2->y; | |
609 | } else | ||
610 | 170283 | mv_pred_median(h, mvP, mvA, mvB, mvC); | |
611 | |||
612 |
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238918 | if (mode < MV_PRED_PSKIP) { |
613 | 189273 | int mx = get_se_golomb(&h->gb) + (unsigned)mvP->x; | |
614 | 189273 | int my = get_se_golomb(&h->gb) + (unsigned)mvP->y; | |
615 | |||
616 |
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189273 | if (mx != (int16_t)mx || my != (int16_t)my) { |
617 | ✗ | av_log(h->avctx, AV_LOG_ERROR, "MV %d %d out of supported range\n", mx, my); | |
618 | } else { | ||
619 | 189273 | mvP->x = mx; | |
620 | 189273 | mvP->y = my; | |
621 | } | ||
622 | } | ||
623 | 238918 | set_mvs(mvP, size); | |
624 | 238918 | } | |
625 | |||
626 | /***************************************************************************** | ||
627 | * | ||
628 | * macroblock level | ||
629 | * | ||
630 | ****************************************************************************/ | ||
631 | |||
632 | /** | ||
633 | * initialise predictors for motion vectors and intra prediction | ||
634 | */ | ||
635 | 297745 | void ff_cavs_init_mb(AVSContext *h) | |
636 | { | ||
637 | int i; | ||
638 | |||
639 | /* copy predictors from top line (MB B and C) into cache */ | ||
640 |
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1190980 | for (i = 0; i < 3; i++) { |
641 | 893235 | h->mv[MV_FWD_B2 + i] = h->top_mv[0][h->mbx * 2 + i]; | |
642 | 893235 | h->mv[MV_BWD_B2 + i] = h->top_mv[1][h->mbx * 2 + i]; | |
643 | } | ||
644 | 297745 | h->pred_mode_Y[1] = h->top_pred_Y[h->mbx * 2 + 0]; | |
645 | 297745 | h->pred_mode_Y[2] = h->top_pred_Y[h->mbx * 2 + 1]; | |
646 | /* clear top predictors if MB B is not available */ | ||
647 |
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297745 | if (!(h->flags & B_AVAIL)) { |
648 | 8280 | h->mv[MV_FWD_B2] = un_mv; | |
649 | 8280 | h->mv[MV_FWD_B3] = un_mv; | |
650 | 8280 | h->mv[MV_BWD_B2] = un_mv; | |
651 | 8280 | h->mv[MV_BWD_B3] = un_mv; | |
652 | 8280 | h->pred_mode_Y[1] = h->pred_mode_Y[2] = NOT_AVAIL; | |
653 | 8280 | h->flags &= ~(C_AVAIL | D_AVAIL); | |
654 |
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289465 | } else if (h->mbx) { |
655 | 283032 | h->flags |= D_AVAIL; | |
656 | } | ||
657 |
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297745 | if (h->mbx == h->mb_width - 1) // MB C not available |
658 | 6616 | h->flags &= ~C_AVAIL; | |
659 | /* clear top-right predictors if MB C is not available */ | ||
660 |
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297745 | if (!(h->flags & C_AVAIL)) { |
661 | 14712 | h->mv[MV_FWD_C2] = un_mv; | |
662 | 14712 | h->mv[MV_BWD_C2] = un_mv; | |
663 | } | ||
664 | /* clear top-left predictors if MB D is not available */ | ||
665 |
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297745 | if (!(h->flags & D_AVAIL)) { |
666 | 14713 | h->mv[MV_FWD_D3] = un_mv; | |
667 | 14713 | h->mv[MV_BWD_D3] = un_mv; | |
668 | } | ||
669 | 297745 | } | |
670 | |||
671 | /** | ||
672 | * save predictors for later macroblocks and increase | ||
673 | * macroblock address | ||
674 | * @return 0 if end of frame is reached, 1 otherwise | ||
675 | */ | ||
676 | 297745 | int ff_cavs_next_mb(AVSContext *h) | |
677 | { | ||
678 | int i; | ||
679 | |||
680 | 297745 | h->flags |= A_AVAIL; | |
681 | 297745 | h->cy += 16; | |
682 | 297745 | h->cu += 8; | |
683 | 297745 | h->cv += 8; | |
684 | /* copy mvs as predictors to the left */ | ||
685 |
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2084215 | for (i = 0; i <= 20; i += 4) |
686 | 1786470 | h->mv[i] = h->mv[i + 2]; | |
687 | /* copy bottom mvs from cache to top line */ | ||
688 | 297745 | h->top_mv[0][h->mbx * 2 + 0] = h->mv[MV_FWD_X2]; | |
689 | 297745 | h->top_mv[0][h->mbx * 2 + 1] = h->mv[MV_FWD_X3]; | |
690 | 297745 | h->top_mv[1][h->mbx * 2 + 0] = h->mv[MV_BWD_X2]; | |
691 | 297745 | h->top_mv[1][h->mbx * 2 + 1] = h->mv[MV_BWD_X3]; | |
692 | /* next MB address */ | ||
693 | 297745 | h->mbidx++; | |
694 | 297745 | h->mbx++; | |
695 |
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297745 | if (h->mbx == h->mb_width) { // New mb line |
696 | 6616 | h->flags = B_AVAIL | C_AVAIL; | |
697 | /* clear left pred_modes */ | ||
698 | 6616 | h->pred_mode_Y[3] = h->pred_mode_Y[6] = NOT_AVAIL; | |
699 | /* clear left mv predictors */ | ||
700 |
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46312 | for (i = 0; i <= 20; i += 4) |
701 | 39696 | h->mv[i] = un_mv; | |
702 | 6616 | h->mbx = 0; | |
703 | 6616 | h->mby++; | |
704 | /* re-calculate sample pointers */ | ||
705 | 6616 | h->cy = h->cur.f->data[0] + h->mby * 16 * h->l_stride; | |
706 | 6616 | h->cu = h->cur.f->data[1] + h->mby * 8 * h->c_stride; | |
707 | 6616 | h->cv = h->cur.f->data[2] + h->mby * 8 * h->c_stride; | |
708 |
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6616 | if (h->mby == h->mb_height) { // Frame end |
709 | 183 | return 0; | |
710 | } | ||
711 | } | ||
712 | 297562 | return 1; | |
713 | } | ||
714 | |||
715 | /***************************************************************************** | ||
716 | * | ||
717 | * frame level | ||
718 | * | ||
719 | ****************************************************************************/ | ||
720 | |||
721 | 184 | int ff_cavs_init_pic(AVSContext *h) | |
722 | { | ||
723 | int i; | ||
724 | |||
725 | /* clear some predictors */ | ||
726 |
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1288 | for (i = 0; i <= 20; i += 4) |
727 | 1104 | h->mv[i] = un_mv; | |
728 | 184 | h->mv[MV_BWD_X0] = ff_cavs_dir_mv; | |
729 | 184 | set_mvs(&h->mv[MV_BWD_X0], BLK_16X16); | |
730 | 184 | h->mv[MV_FWD_X0] = ff_cavs_dir_mv; | |
731 | 184 | set_mvs(&h->mv[MV_FWD_X0], BLK_16X16); | |
732 | 184 | h->pred_mode_Y[3] = h->pred_mode_Y[6] = NOT_AVAIL; | |
733 | 184 | h->cy = h->cur.f->data[0]; | |
734 | 184 | h->cu = h->cur.f->data[1]; | |
735 | 184 | h->cv = h->cur.f->data[2]; | |
736 | 184 | h->l_stride = h->cur.f->linesize[0]; | |
737 | 184 | h->c_stride = h->cur.f->linesize[1]; | |
738 | 184 | h->luma_scan[2] = 8 * h->l_stride; | |
739 | 184 | h->luma_scan[3] = 8 * h->l_stride + 8; | |
740 | 184 | h->mbx = h->mby = h->mbidx = 0; | |
741 | 184 | h->flags = 0; | |
742 | |||
743 | 184 | return 0; | |
744 | } | ||
745 | |||
746 | /***************************************************************************** | ||
747 | * | ||
748 | * headers and interface | ||
749 | * | ||
750 | ****************************************************************************/ | ||
751 | |||
752 | /** | ||
753 | * some predictions require data from the top-neighbouring macroblock. | ||
754 | * this data has to be stored for one complete row of macroblocks | ||
755 | * and this storage space is allocated here | ||
756 | */ | ||
757 | 4 | int ff_cavs_init_top_lines(AVSContext *h) | |
758 | { | ||
759 | /* alloc top line of predictors */ | ||
760 | 4 | h->top_qp = av_mallocz(h->mb_width); | |
761 | 4 | h->top_mv[0] = av_calloc(h->mb_width * 2 + 1, sizeof(cavs_vector)); | |
762 | 4 | h->top_mv[1] = av_calloc(h->mb_width * 2 + 1, sizeof(cavs_vector)); | |
763 | 4 | h->top_pred_Y = av_calloc(h->mb_width * 2, sizeof(*h->top_pred_Y)); | |
764 | 4 | h->top_border_y = av_calloc(h->mb_width + 1, 16); | |
765 | 4 | h->top_border_u = av_calloc(h->mb_width, 10); | |
766 | 4 | h->top_border_v = av_calloc(h->mb_width, 10); | |
767 | |||
768 | /* alloc space for co-located MVs and types */ | ||
769 | 4 | h->col_mv = av_calloc(h->mb_width * h->mb_height, | |
770 | 4 * sizeof(*h->col_mv)); | ||
771 | 4 | h->col_type_base = av_mallocz(h->mb_width * h->mb_height); | |
772 | 4 | h->block = av_mallocz(64 * sizeof(int16_t)); | |
773 | |||
774 |
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4 | if (!h->top_qp || !h->top_mv[0] || !h->top_mv[1] || !h->top_pred_Y || |
775 |
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4 | !h->top_border_y || !h->top_border_u || !h->top_border_v || |
776 |
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4 | !h->col_mv || !h->col_type_base || !h->block) { |
777 | ✗ | av_freep(&h->top_qp); | |
778 | ✗ | av_freep(&h->top_mv[0]); | |
779 | ✗ | av_freep(&h->top_mv[1]); | |
780 | ✗ | av_freep(&h->top_pred_Y); | |
781 | ✗ | av_freep(&h->top_border_y); | |
782 | ✗ | av_freep(&h->top_border_u); | |
783 | ✗ | av_freep(&h->top_border_v); | |
784 | ✗ | av_freep(&h->col_mv); | |
785 | ✗ | av_freep(&h->col_type_base); | |
786 | ✗ | av_freep(&h->block); | |
787 | ✗ | return AVERROR(ENOMEM); | |
788 | } | ||
789 | 4 | return 0; | |
790 | } | ||
791 | |||
792 | 4 | av_cold int ff_cavs_init(AVCodecContext *avctx) | |
793 | { | ||
794 | 4 | AVSContext *h = avctx->priv_data; | |
795 | |||
796 | 4 | ff_blockdsp_init(&h->bdsp, avctx); | |
797 | 4 | ff_h264chroma_init(&h->h264chroma, 8); | |
798 | 4 | ff_idctdsp_init(&h->idsp, avctx); | |
799 | 4 | ff_videodsp_init(&h->vdsp, 8); | |
800 | 4 | ff_cavsdsp_init(&h->cdsp, avctx); | |
801 | 4 | ff_init_scantable_permutation(h->idsp.idct_permutation, | |
802 | 4 | h->cdsp.idct_perm); | |
803 | 4 | ff_init_scantable(h->idsp.idct_permutation, &h->scantable, ff_zigzag_direct); | |
804 | |||
805 | 4 | h->avctx = avctx; | |
806 | 4 | avctx->pix_fmt = AV_PIX_FMT_YUV420P; | |
807 | |||
808 | 4 | h->cur.f = av_frame_alloc(); | |
809 | 4 | h->DPB[0].f = av_frame_alloc(); | |
810 | 4 | h->DPB[1].f = av_frame_alloc(); | |
811 |
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4 | if (!h->cur.f || !h->DPB[0].f || !h->DPB[1].f) |
812 | ✗ | return AVERROR(ENOMEM); | |
813 | |||
814 | 4 | h->luma_scan[0] = 0; | |
815 | 4 | h->luma_scan[1] = 8; | |
816 | 4 | h->intra_pred_l[INTRA_L_VERT] = intra_pred_vert; | |
817 | 4 | h->intra_pred_l[INTRA_L_HORIZ] = intra_pred_horiz; | |
818 | 4 | h->intra_pred_l[INTRA_L_LP] = intra_pred_lp; | |
819 | 4 | h->intra_pred_l[INTRA_L_DOWN_LEFT] = intra_pred_down_left; | |
820 | 4 | h->intra_pred_l[INTRA_L_DOWN_RIGHT] = intra_pred_down_right; | |
821 | 4 | h->intra_pred_l[INTRA_L_LP_LEFT] = intra_pred_lp_left; | |
822 | 4 | h->intra_pred_l[INTRA_L_LP_TOP] = intra_pred_lp_top; | |
823 | 4 | h->intra_pred_l[INTRA_L_DC_128] = intra_pred_dc_128; | |
824 | 4 | h->intra_pred_c[INTRA_C_LP] = intra_pred_lp; | |
825 | 4 | h->intra_pred_c[INTRA_C_HORIZ] = intra_pred_horiz; | |
826 | 4 | h->intra_pred_c[INTRA_C_VERT] = intra_pred_vert; | |
827 | 4 | h->intra_pred_c[INTRA_C_PLANE] = intra_pred_plane; | |
828 | 4 | h->intra_pred_c[INTRA_C_LP_LEFT] = intra_pred_lp_left; | |
829 | 4 | h->intra_pred_c[INTRA_C_LP_TOP] = intra_pred_lp_top; | |
830 | 4 | h->intra_pred_c[INTRA_C_DC_128] = intra_pred_dc_128; | |
831 | 4 | h->mv[7] = un_mv; | |
832 | 4 | h->mv[19] = un_mv; | |
833 | 4 | return 0; | |
834 | } | ||
835 | |||
836 | 4 | av_cold int ff_cavs_end(AVCodecContext *avctx) | |
837 | { | ||
838 | 4 | AVSContext *h = avctx->priv_data; | |
839 | |||
840 | 4 | av_frame_free(&h->cur.f); | |
841 | 4 | av_frame_free(&h->DPB[0].f); | |
842 | 4 | av_frame_free(&h->DPB[1].f); | |
843 | |||
844 | 4 | av_freep(&h->top_qp); | |
845 | 4 | av_freep(&h->top_mv[0]); | |
846 | 4 | av_freep(&h->top_mv[1]); | |
847 | 4 | av_freep(&h->top_pred_Y); | |
848 | 4 | av_freep(&h->top_border_y); | |
849 | 4 | av_freep(&h->top_border_u); | |
850 | 4 | av_freep(&h->top_border_v); | |
851 | 4 | av_freep(&h->col_mv); | |
852 | 4 | av_freep(&h->col_type_base); | |
853 | 4 | av_freep(&h->block); | |
854 | 4 | av_freep(&h->edge_emu_buffer); | |
855 | 4 | return 0; | |
856 | } | ||
857 |