FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/rv60dec.c
Date: 2025-07-11 09:13:03
Exec Total Coverage
Lines: 1314 1455 90.3%
Functions: 87 89 97.8%
Branches: 877 1100 79.7%
Line Branch Exec Source
1 /*
2 * RV60 decoder
3 * Copyright (c) 2007 Mike Melanson, Konstantin Shishkov
4 * Copyright (C) 2023 Peter Ross
5 *
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23 #include "avcodec.h"
24 #include "codec_internal.h"
25 #include "decode.h"
26 #include "get_bits.h"
27 #include "golomb.h"
28 #include "libavutil/mem.h"
29 #include "rv60data.h"
30 #include "rv60dsp.h"
31 #include "rv60vlcs.h"
32 #include "threadprogress.h"
33 #include "unary.h"
34 #include "videodsp.h"
35
36 static const int8_t frame_types[4] = {AV_PICTURE_TYPE_I, AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, AV_PICTURE_TYPE_NONE};
37
38 enum CUType {
39 CU_INTRA = 0,
40 CU_INTER_MV,
41 CU_SKIP,
42 CU_INTER
43 };
44
45 enum PUType {
46 PU_FULL = 0,
47 PU_N2HOR,
48 PU_N2VER,
49 PU_QUARTERS,
50 PU_N4HOR,
51 PU_N34HOR,
52 PU_N4VER,
53 PU_N34VER
54 };
55
56 enum IntraMode {
57 INTRAMODE_INDEX = 0,
58 INTRAMODE_DC64,
59 INTRAMODE_PLANE64,
60 INTRAMODE_MODE
61 };
62
63 enum MVRefEnum {
64 MVREF_NONE = 0,
65 MVREF_REF0,
66 MVREF_REF1,
67 MVREF_BREF,
68 MVREF_REF0ANDBREF,
69 MVREF_SKIP0,
70 MVREF_SKIP1,
71 MVREF_SKIP2,
72 MVREF_SKIP3
73 };
74
75 static const uint8_t skip_mv_ref[4] = {MVREF_SKIP0, MVREF_SKIP1, MVREF_SKIP2, MVREF_SKIP3};
76
77 enum {
78 TRANSFORM_NONE = 0,
79 TRANSFORM_16X16,
80 TRANSFORM_8X8,
81 TRANSFORM_4X4
82 };
83
84 static const VLCElem * cbp8_vlc[7][4];
85 static const VLCElem * cbp16_vlc[7][4][4];
86
87 typedef struct {
88 const VLCElem * l0[2];
89 const VLCElem * l12[2];
90 const VLCElem * l3[2];
91 const VLCElem * esc;
92 } CoeffVLCs;
93
94 static CoeffVLCs intra_coeff_vlc[5];
95 static CoeffVLCs inter_coeff_vlc[7];
96
97 #define MAX_VLC_SIZE 864
98 static VLCElem table_data[129148];
99
100 /* 32-bit version of rv34_gen_vlc */
101 392 static const VLCElem * gen_vlc(const uint8_t * bits, int size, VLCInitState * state)
102 {
103 392 int counts[17] = {0};
104 uint32_t codes[18];
105 uint32_t cw[MAX_VLC_SIZE];
106
107
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 67336 for (int i = 0; i < size; i++)
108 66944 counts[bits[i]]++;
109
110 392 codes[0] = counts[0] = 0;
111
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112 6664 codes[i+1] = (codes[i] + counts[i]) << 1;
113
114
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 67336 for (int i = 0; i < size; i++)
115 66944 cw[i] = codes[bits[i]]++;
116
117 392 return ff_vlc_init_tables(state, 9, size,
118 bits, 1, 1,
119 cw, 4, 4, 0);
120 }
121
122 4 static void build_coeff_vlc(const CoeffLens * lens, CoeffVLCs * vlc, int count, VLCInitState * state)
123 {
124
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 28 for (int i = 0; i < count; i++) {
125
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 72 for (int j = 0; j < 2; j++) {
126 48 vlc[i].l0[j] = gen_vlc(lens[i].l0[j], 864, state);
127 48 vlc[i].l12[j] = gen_vlc(lens[i].l12[j], 108, state);
128 48 vlc[i].l3[j] = gen_vlc(lens[i].l3[j], 108, state);
129 }
130 24 vlc[i].esc = gen_vlc(lens[i].esc, 32, state);
131 }
132 4 }
133
134 2 static av_cold void rv60_init_static_data(void)
135 {
136 2 VLCInitState state = VLC_INIT_STATE(table_data);
137
138
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139
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 70 for (int j = 0; j < 4; j++)
140 56 cbp16_vlc[i][0][j] = cbp8_vlc[i][j] = gen_vlc(rv60_cbp8_lens[i][j], 64, &state);
141
142
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144
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 210 for (int k = 0; k < 4; k++)
145 168 cbp16_vlc[i][j + 1][k] = gen_vlc(rv60_cbp16_lens[i][j][k], 64, &state);
146
147 2 build_coeff_vlc(rv60_intra_lens, intra_coeff_vlc, 5, &state);
148 2 build_coeff_vlc(rv60_inter_lens, inter_coeff_vlc, 7, &state);
149 2 }
150
151 typedef struct {
152 int sign;
153 int size;
154 const uint8_t * data;
155 int data_size;
156 } Slice;
157
158 typedef struct {
159 int cu_split_pos;
160 uint8_t cu_split[1+4+16+64];
161
162 uint8_t coded_blk[64];
163
164 uint8_t avg_buffer[64*64 + 32*32*2];
165 uint8_t * avg_data[3];
166 int avg_linesize[3];
167 } ThreadContext;
168
169 typedef struct {
170 int16_t x;
171 int16_t y;
172 } MV;
173
174 typedef struct {
175 enum MVRefEnum mvref;
176 MV f_mv;
177 MV b_mv;
178 } MVInfo;
179
180 typedef struct {
181 enum IntraMode imode;
182 MVInfo mv;
183 } BlockInfo;
184
185 typedef struct {
186 enum CUType cu_type;
187 enum PUType pu_type;
188 } PUInfo;
189
190 typedef struct RV60Context {
191 AVCodecContext * avctx;
192 VideoDSPContext vdsp;
193
194 #define CUR_PIC 0
195 #define LAST_PIC 1
196 #define NEXT_PIC 2
197 AVFrame *last_frame[3];
198
199 int pict_type;
200 int qp;
201 int osvquant;
202 int ts;
203 int two_f_refs;
204 int qp_off_type;
205 int deblock;
206 int deblock_chroma;
207 int awidth;
208 int aheight;
209 int cu_width;
210 int cu_height;
211
212 Slice * slice;
213
214 int pu_stride;
215 PUInfo * pu_info;
216
217 int blk_stride;
218 BlockInfo * blk_info;
219
220 int dblk_stride;
221 uint8_t * left_str;
222 uint8_t * top_str;
223
224 uint64_t ref_pts[2], ts_scale;
225 uint32_t ref_ts[2];
226
227 struct ThreadProgress *progress;
228 unsigned nb_progress;
229 } RV60Context;
230
231 39 static int progress_init(RV60Context *s, unsigned count)
232 {
233
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 39 if (s->nb_progress < count) {
234 2 void *tmp = av_realloc_array(s->progress, count, sizeof(*s->progress));
235
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 2 if (!tmp)
236 ✗ return AVERROR(ENOMEM);
237 2 s->progress = tmp;
238 2 memset(s->progress + s->nb_progress, 0, (count - s->nb_progress) * sizeof(*s->progress));
239
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 12 for (int i = s->nb_progress; i < count; i++) {
240 10 int ret = ff_thread_progress_init(&s->progress[i], 1);
241
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 10 if (ret < 0)
242 ✗ return ret;
243 10 s->nb_progress = i + 1;
244 }
245 }
246
247
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 141 for (int i = 0; i < count; i++)
248 102 ff_thread_progress_reset(&s->progress[i]);
249
250 39 return 0;
251 }
252
253 4 static av_cold int rv60_decode_init(AVCodecContext * avctx)
254 {
255 static AVOnce init_static_once = AV_ONCE_INIT;
256 4 RV60Context *s = avctx->priv_data;
257
258 4 s->avctx = avctx;
259
260 4 ff_videodsp_init(&s->vdsp, 8);
261
262 4 avctx->pix_fmt = AV_PIX_FMT_YUV420P;
263
264
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 16 for (int i = 0; i < 3; i++) {
265 12 s->last_frame[i] = av_frame_alloc();
266
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 12 if (!s->last_frame[i])
267 ✗ return AVERROR(ENOMEM);
268 }
269
270 4 ff_thread_once(&init_static_once, rv60_init_static_data);
271
272 4 return 0;
273 }
274
275 39 static int update_dimensions_clear_info(RV60Context *s, int width, int height)
276 {
277 int ret;
278
279
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 39 if (width != s->avctx->width || height != s->avctx->height) {
280
281 ✗ av_log(s->avctx, AV_LOG_INFO, "changing dimensions to %dx%d\n", width, height);
282
283 ✗ for (int i = 0; i < 3; i++)
284 ✗ av_frame_unref(s->last_frame[i]);
285
286 ✗ if ((ret = ff_set_dimensions(s->avctx, width, height)) < 0)
287 ✗ return ret;
288
289 ✗ if (s->avctx->width <= 64 || s->avctx->height <= 64)
290 ✗ av_log(s->avctx, AV_LOG_WARNING, "unable to faithfully reproduce emulated edges; expect visual artefacts\n");
291 }
292
293 39 s->awidth = FFALIGN(width, 16);
294 39 s->aheight = FFALIGN(height, 16);
295
296 39 s->cu_width = (width + 63) >> 6;
297 39 s->cu_height = (height + 63) >> 6;
298
299 39 s->pu_stride = s->cu_width << 3;
300 39 s->blk_stride = s->cu_width << 4;
301
302
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 39 if ((ret = av_reallocp_array(&s->slice, s->cu_height, sizeof(s->slice[0]))) < 0)
303 ✗ return ret;
304
305
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 39 if ((ret = av_reallocp_array(&s->pu_info, s->pu_stride * (s->cu_height << 3), sizeof(s->pu_info[0]))) < 0)
306 ✗ return ret;
307
308
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 39 if ((ret = av_reallocp_array(&s->blk_info, s->blk_stride * (s->cu_height << 4), sizeof(s->blk_info[0]))) < 0)
309 ✗ return ret;
310
311
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 1671 for (int j = 0; j < s->cu_height << 4; j++)
312
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 103008 for (int i = 0; i < s->cu_width << 4; i++)
313 101376 s->blk_info[j*s->blk_stride + i].mv.mvref = MVREF_NONE;
314
315
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 39 if (s->deblock) {
316 int size;
317
318 39 s->dblk_stride = s->awidth >> 2;
319
320 39 size = s->dblk_stride * (s->aheight >> 2);
321
322
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 39 if ((ret = av_reallocp_array(&s->top_str, size, sizeof(s->top_str[0]))) < 0)
323 ✗ return ret;
324
325
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 39 if ((ret = av_reallocp_array(&s->left_str, size, sizeof(s->left_str[0]))) < 0)
326 ✗ return ret;
327
328 39 memset(s->top_str, 0, size);
329 39 memset(s->left_str, 0, size);
330 }
331
332 39 return 0;
333 }
334
335 4039 static int read_code012(GetBitContext * gb)
336 {
337
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 4039 if (!get_bits1(gb))
338 2755 return 0;
339 1284 return get_bits1(gb) + 1;
340 }
341
342 39 static int read_frame_header(RV60Context *s, GetBitContext *gb, int * width, int * height)
343 {
344
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 39 if (get_bits(gb, 2) != 3)
345 ✗ return AVERROR_INVALIDDATA;
346
347 39 skip_bits(gb, 2);
348 39 skip_bits(gb, 4);
349
350 39 s->pict_type = frame_types[get_bits(gb, 2)];
351
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 39 if (s->pict_type == AV_PICTURE_TYPE_NONE)
352 ✗ return AVERROR_INVALIDDATA;
353
354 39 s->qp = get_bits(gb, 6);
355 39 skip_bits1(gb);
356 39 skip_bits(gb, 2);
357 39 s->osvquant = get_bits(gb, 2);
358 39 skip_bits1(gb);
359 39 skip_bits(gb, 2);
360 39 s->ts = get_bits(gb, 24);
361 39 *width = (get_bits(gb, 11) + 1) * 4;
362 39 *height = get_bits(gb, 11) * 4;
363 39 skip_bits1(gb);
364
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 39 if (s->pict_type == AV_PICTURE_TYPE_I) {
365 2 s->two_f_refs = 0;
366 } else {
367
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 37 if (get_bits1(gb))
368 ✗ skip_bits(gb, 3);
369 37 s->two_f_refs = get_bits1(gb);
370 }
371 39 read_code012(gb);
372 39 read_code012(gb);
373 39 s->qp_off_type = read_code012(gb);
374 39 s->deblock = get_bits1(gb);
375
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 39 s->deblock_chroma = s->deblock && !get_bits1(gb);
376
377
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 39 if (get_bits1(gb)) {
378 ✗ int count = get_bits(gb, 2);
379 ✗ if (count) {
380 ✗ skip_bits(gb, 2);
381 ✗ for (int i = 0; i < count; i++)
382 ✗ for (int j = 0; j < 2 << i; j++)
383 ✗ skip_bits(gb, 8);
384 }
385 }
386
387 39 return 0;
388 }
389
390 39 static int read_slice_sizes(RV60Context *s, GetBitContext *gb)
391 {
392 39 int nbits = get_bits(gb, 5) + 1;
393 int last_size;
394
395
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 141 for (int i = 0; i < s->cu_height; i++)
396 102 s->slice[i].sign = get_bits1(gb);
397
398 39 s->slice[0].size = last_size = get_bits_long(gb, nbits);
399
400
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 39 if (last_size < 0)
401 ✗ return AVERROR_INVALIDDATA;
402
403
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 102 for (int i = 1; i < s->cu_height; i++) {
404 63 int diff = get_bits_long(gb, nbits);
405
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 63 if (s->slice[i].sign)
406 8 last_size += diff;
407 else
408 55 last_size -= diff;
409
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 63 if (last_size <= 0)
410 ✗ return AVERROR_INVALIDDATA;
411 63 s->slice[i].size = last_size;
412 }
413
414 39 align_get_bits(gb);
415 39 return 0;
416 }
417
418 4447 static int read_intra_mode(GetBitContext * gb, int * param)
419 {
420
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 4447 if (get_bits1(gb)) {
421 3922 *param = read_code012(gb);
422 3922 return INTRAMODE_INDEX;
423 } else {
424 525 *param = get_bits(gb, 5);
425 525 return INTRAMODE_MODE;
426 }
427 }
428
429 15476 static int has_top_block(const RV60Context * s, int xpos, int ypos, int dx, int dy, int size)
430 {
431
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 15476 return ypos + dy && xpos + dx + size <= s->awidth;
432 }
433
434 13316 static int has_left_block(const RV60Context * s, int xpos, int ypos, int dx, int dy, int size)
435 {
436
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 13316 return xpos + dx && ypos + dy + size <= s->aheight;
437 }
438
439 8848 static int has_top_right_block(const RV60Context * s, int xpos, int ypos, int dx, int dy, int size)
440 {
441
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 8848 if (has_top_block(s, xpos, ypos, dx, dy, size * 2)) {
442 8603 int cxpos = ((xpos + dx) & 63) >> ff_log2(size);
443 8603 int cypos = ((ypos + dy) & 63) >> ff_log2(size);
444 8603 return !(rv60_avail_mask[cxpos] & cypos);
445 }
446 245 return 0;
447 }
448
449 8869 static int has_left_down_block(const RV60Context * s, int xpos, int ypos, int dx, int dy, int size)
450 {
451
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 8869 if (has_left_block(s, xpos, ypos, dx, dy, size * 2)) {
452 8717 int cxpos = (~(xpos + dx) & 63) >> ff_log2(size);
453 8717 int cypos = (~(ypos + dy) & 63) >> ff_log2(size);
454 8717 return rv60_avail_mask[cxpos] & cypos;
455 }
456 152 return 0;
457 }
458
459 typedef struct {
460 uint8_t t[129];
461 uint8_t l[129];
462 int has_t;
463 int has_tr;
464 int has_l;
465 int has_ld;
466 } IntraPredContext;
467
468 typedef struct {
469 int xpos;
470 int ypos;
471 int pu_pos;
472 int blk_pos;
473
474 enum CUType cu_type;
475 enum PUType pu_type;
476 enum IntraMode imode[4];
477 int imode_param[4];
478 MVInfo mv[4];
479
480 IntraPredContext ipred;
481 } CUContext;
482
483 9033 static void ipred_init(IntraPredContext * i)
484 {
485 9033 memset(i->t, 0x80, sizeof(i->t));
486 9033 memset(i->l, 0x80, sizeof(i->l));
487 9033 i->has_t = i->has_tr = i->has_l = i->has_ld = 0;
488 9033 }
489
490 9033 static void populate_ipred(const RV60Context * s, CUContext * cu, const uint8_t * src, int stride, int xoff, int yoff, int size, int is_luma)
491 {
492
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 9033 if (is_luma)
493 4447 src += (cu->ypos + yoff) * stride + cu->xpos + xoff;
494 else
495 4586 src += (cu->ypos >> 1) * stride + (cu->xpos >> 1);
496
497 9033 ipred_init(&cu->ipred);
498
499
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 9033 if (cu->ypos + yoff > 0) {
500 8848 cu->ipred.has_t = 1;
501
502 8848 memcpy(cu->ipred.t + 1, src - stride, size);
503
504
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 8848 if ((is_luma && has_top_right_block(s, cu->xpos, cu->ypos, xoff, yoff, size)) ||
505
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 4478 (!is_luma && has_top_right_block(s, cu->xpos, cu->ypos, 0, 0, size << 1))) {
506 5697 cu->ipred.has_tr = 1;
507 5697 memcpy(cu->ipred.t + size + 1, src - stride + size, size);
508 } else
509 3151 memset(cu->ipred.t + size + 1, cu->ipred.t[size], size);
510
511
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 8848 if (cu->xpos + xoff > 0)
512 8690 cu->ipred.t[0] = src[-stride - 1];
513 }
514
515
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 9033 if (cu->xpos + xoff > 0) {
516 8869 cu->ipred.has_l = 1;
517
518
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 63029 for (int y = 0; y < size; y++)
519 54160 cu->ipred.l[y + 1] = src[y*stride - 1];
520
521
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 8869 if ((is_luma && has_left_down_block(s, cu->xpos, cu->ypos, xoff, yoff, size)) ||
522
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 4484 (!is_luma && has_left_down_block(s, cu->xpos, cu->ypos, 0, 0, size << 1))) {
523 2759 cu->ipred.has_ld = 1;
524
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 19791 for (int y = size; y < size * 2; y++)
525 17032 cu->ipred.l[y + 1] = src[y*stride - 1];
526 } else
527 6110 memset(cu->ipred.l + size + 1, cu->ipred.l[size], size);
528
529
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 8869 if (cu->ypos + yoff > 0)
530 8690 cu->ipred.l[0] = src[-stride - 1];
531 }
532 9033 }
533
534 1492 static void pred_plane(const IntraPredContext * p, uint8_t * dst, int stride, int size)
535 {
536 1492 int lastl = p->l[size + 1];
537 1492 int lastt = p->t[size + 1];
538 int tmp1[64], tmp2[64];
539 int top_ref[64], left_ref[64];
540 int shift;
541
542
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 8148 for (int i = 0; i < size; i++) {
543 6656 tmp1[i] = lastl - p->t[i + 1];
544 6656 tmp2[i] = lastt - p->l[i + 1];
545 }
546
547 1492 shift = ff_log2(size) + 1;
548
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 8148 for (int i = 0; i < size; i++) {
549 6656 top_ref[i] = p->t[i + 1] << (shift - 1);
550 6656 left_ref[i] = p->l[i + 1] << (shift - 1);
551 }
552
553
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 8148 for (int y = 0; y < size; y++) {
554 6656 int add = tmp2[y];
555 6656 int sum = left_ref[y] + size;
556
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 41472 for (int x = 0; x < size; x++) {
557 34816 int v = tmp1[x] + top_ref[x];
558 34816 sum += add;
559 34816 top_ref[x] = v;
560 34816 dst[y*stride + x] = (sum + v) >> shift;
561 }
562 }
563 1492 }
564
565 5606 static void pred_dc(const IntraPredContext * p, uint8_t * dst, int stride, int size, int filter)
566 {
567 int dc;
568
569
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 5606 if (!p->has_t && !p->has_l)
570 ✗ dc = 0x80;
571 else {
572 5606 int sum = 0;
573
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 5606 if (p->has_t)
574
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 43045 for (int x = 0; x < size; x++)
575 37568 sum += p->t[x + 1];
576
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 5606 if (p->has_l)
577
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 42762 for (int y = 0; y < size; y++)
578 37304 sum += p->l[y + 1];
579
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 5606 if (p->has_t && p->has_l)
580 5329 dc = (sum + size) / (size * 2);
581 else
582 277 dc = (sum + size / 2) / size;
583 }
584
585
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 44122 for (int y = 0; y < size; y++)
586 38516 memset(dst + y*stride, dc, size);
587
588
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 5606 if (filter && p->has_t && p->has_l) {
589 2373 dst[0] = (p->t[1] + p->l[1] + 2 * dst[0] + 2) >> 2;
590
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 19284 for (int x = 1; x < size; x++)
591 16911 dst[x] = (p->t[x + 1] + 3 * dst[x] + 2) >> 2;
592
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 19284 for (int y = 1; y < size; y++)
593 16911 dst[y*stride] = (p->l[y + 1] + 3 * dst[y*stride] + 2) >> 2;
594 }
595 5606 }
596
597 1762 static void filter_weak(uint8_t * dst, const uint8_t * src, int size)
598 {
599 1762 dst[0] = src[0];
600
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 8292 for (int i = 1; i < size - 1; i++)
601 6530 dst[i] = (src[i - 1] + 2*src[i] + src[i + 1] + 2) >> 2;
602 1762 dst[size - 1] = src[size - 1];
603 1762 }
604
605 ✗ static void filter_bilin32(uint8_t * dst, int v0, int v1, int size)
606 {
607 ✗ int diff = v1 - v0;
608 ✗ int sum = (v0 << 5) + (1 << (5 - 1));
609 ✗ for (int i = 0; i < size; i++) {
610 ✗ dst[i] = sum >> 5;
611 ✗ sum += diff;
612 }
613 ✗ }
614
615 355 static void pred_hor_angle(uint8_t * dst, int stride, int size, int weight, const uint8_t * src)
616 {
617 355 int sum = 0;
618
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 1775 for (int x = 0; x < size; x++) {
619 int off, frac;
620 1420 sum += weight;
621 1420 off = (sum >> 5) + 32;
622 1420 frac = sum & 0x1F;
623
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 1420 if (!frac)
624 ✗ for (int y = 0; y < size; y++)
625 ✗ dst[y*stride + x] = src[off + y];
626 else {
627
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 7100 for (int y = 0; y < size; y++) {
628 5680 int a = src[off + y];
629 5680 int b = src[off + y + 1];
630 5680 dst[y*stride + x] = ((32 - frac) * a + frac * b + 16) >> 5;
631 }
632 }
633 }
634 355 }
635
636 351 static void pred_ver_angle(uint8_t * dst, int stride, int size, int weight, const uint8_t * src)
637 {
638 351 int sum = 0;
639
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 1867 for (int y = 0; y < size; y++) {
640 int off, frac;
641 1516 sum += weight;
642 1516 off = (sum >> 5) + 32;
643 1516 frac = sum & 0x1F;
644
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 1516 if (!frac)
645 208 memcpy(dst + y*stride, src + off, size);
646 else {
647
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 6540 for (int x = 0; x < size; x++) {
648 5232 int a = src[off + x];
649 5232 int b = src[off + x + 1];
650 5232 dst[y*stride + x] = ((32 - frac) * a + frac * b + 16) >> 5;
651 }
652 }
653 }
654 351 }
655
656 9033 static int pred_angle(const IntraPredContext * p, uint8_t * dst, int stride, int size, int imode, int filter)
657 {
658 uint8_t filtered1[96], filtered2[96];
659
660
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 9033 if (!imode) {
661 1492 pred_plane(p, dst, stride, size);
662
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 7541 } else if (imode == 1) {
663 5606 pred_dc(p, dst, stride, size, filter);
664
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 1935 } else if (imode <= 9) {
665 323 int ang_weight = rv60_ipred_angle[10 - imode];
666 323 int add_size = (size * ang_weight + 31) >> 5;
667
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 323 if (size <= 16) {
668 323 filter_weak(filtered1 + 32, &p->l[1], size + add_size);
669 } else {
670 ✗ filter_bilin32(filtered1 + 32, p->l[1], p->l[33], 32);
671 ✗ filter_bilin32(filtered1 + 64, p->l[32], p->l[64], add_size);
672 }
673 323 pred_hor_angle(dst, stride, size, ang_weight, filtered1);
674
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 1612 } else if (imode == 10) {
675
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 357 if (size <= 16)
676 357 filter_weak(filtered1 + 32, &p->l[1], size);
677 else
678 ✗ filter_bilin32(filtered1 + 32, p->l[1], p->l[33], 32);
679
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 2589 for (int y = 0; y < size; y++)
680
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 20568 for (int x = 0; x < size; x++)
681 18336 dst[y*stride + x] = filtered1[32 + y];
682
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 357 if (filter) {
683 165 int tl = p->t[0];
684
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 1381 for (int x = 0; x < size; x++)
685 1216 dst[x] = av_clip_uint8(dst[x] + ((p->t[x + 1] - tl) >> 1));
686 }
687
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 1255 } else if (imode <= 17) {
688 32 int ang_weight = rv60_ipred_angle[imode - 10];
689 32 int inv_angle = rv60_ipred_inv_angle[imode - 10];
690 32 int add_size = (size * ang_weight + 31) >> 5;
691
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 32 if (size <= 16) {
692 32 memcpy(filtered1 + 32 - 1, p->l, size + 1);
693 32 memcpy(filtered2 + 32 - 1, p->t, size + 1);
694 } else {
695 ✗ filtered1[32 - 1] = p->l[0];
696 ✗ filter_bilin32(filtered1 + 32, p->l[0], p->l[32], 32);
697 ✗ filtered2[32 - 1] = p->t[0];
698 ✗ filter_bilin32(filtered2 + 32, p->t[0], p->t[32], 32);
699 }
700
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 32 if (add_size > 1) {
701 10 int sum = 0x80;
702
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 28 for (int i = 1; i < add_size; i++) {
703 18 sum += inv_angle;
704 18 filtered1[32 - 1 - i] = filtered2[32 - 1 + (sum >> 8)];
705 }
706 }
707 32 pred_hor_angle(dst, stride, size, -ang_weight, filtered1);
708
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 1223 } else if (imode <= 25) {
709 141 int ang_weight = rv60_ipred_angle[26 - imode];
710 141 int inv_angle = rv60_ipred_inv_angle[26 - imode];
711 141 int add_size = (size * ang_weight + 31) >> 5;
712
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 141 if (size <= 16) {
713 141 memcpy(filtered1 + 32 - 1, p->t, size + 1);
714 141 memcpy(filtered2 + 32 - 1, p->l, size + 1);
715 } else {
716 ✗ filtered1[32 - 1] = p->t[0];
717 ✗ filter_bilin32(filtered1 + 32, p->t[0], p->t[32], 32);
718 ✗ filtered2[32 - 1] = p->l[0];
719 ✗ filter_bilin32(filtered2 + 32, p->l[0], p->l[32], 32);
720 }
721
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 141 if (add_size > 1) {
722 65 int sum = 0x80;
723
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 307 for (int i = 1; i < add_size; i++) {
724 242 sum += inv_angle;
725 242 filtered1[32 - 1 - i] = filtered2[32 - 1 + (sum >> 8)];
726 }
727 }
728 141 pred_ver_angle(dst, stride, size, -ang_weight, filtered1);
729
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 1082 } else if (imode == 26) {
730
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 872 if (size <= 16)
731 872 filter_weak(&filtered1[32], &p->t[1], size);
732 else
733 ✗ filter_bilin32(filtered1 + 32, p->t[1], p->t[33], 32);
734
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 5972 for (int i = 0; i < size; i++)
735 5100 memcpy(dst + i*stride, filtered1 + 32, size);
736
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 872 if (filter) {
737 396 int tl = p->l[0];
738
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 3240 for (int y = 0; y < size; y++)
739 2844 dst[y*stride] = av_clip_uint8(dst[y*stride] + ((p->l[y+1] - tl) >> 1));
740 }
741
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 210 } else if (imode <= 34) {
742 210 int ang_weight = rv60_ipred_angle[imode - 26];
743 210 int add_size = (size * ang_weight + 31) >> 5;
744
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 210 if (size <= 16)
745 210 filter_weak(&filtered1[32], &p->t[1], size + add_size);
746 else {
747 ✗ filter_bilin32(filtered1 + 32, p->t[1], p->t[33], 32);
748 ✗ filter_bilin32(filtered1 + 64, p->t[32], p->t[64], add_size);
749 }
750 210 pred_ver_angle(dst, stride, size, ang_weight, filtered1);
751 } else
752 ✗ return AVERROR_INVALIDDATA;
753 9033 return 0;
754 }
755
756 12986 static int pu_is_intra(const PUInfo * pu)
757 {
758 12986 return pu->cu_type == CU_INTRA;
759 }
760
761 1355 static int ipm_compar(const void * a, const void * b)
762 {
763 1355 return *(const enum IntraMode *)a - *(const enum IntraMode *)b;
764 }
765
766 #define MK_UNIQUELIST(name, type, max_size) \
767 typedef struct { \
768 type list[max_size]; \
769 int size; \
770 } unique_list_##name; \
771 \
772 static void unique_list_##name##_init(unique_list_##name * s) \
773 { \
774 memset(s->list, 0, sizeof(s->list)); \
775 s->size = 0; \
776 } \
777 \
778 static void unique_list_##name##_add(unique_list_##name * s, type cand) \
779 { \
780 if (s->size == max_size) \
781 return; \
782 \
783 for (int i = 0; i < s->size; i++) { \
784 if (!memcmp(&s->list[i], &cand, sizeof(type))) { \
785 return; \
786 } \
787 } \
788 s->list[s->size++] = cand; \
789 }
790
791
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 114034 MK_UNIQUELIST(intramode, enum IntraMode, 3)
792
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 28116 MK_UNIQUELIST(mvinfo, MVInfo, 4)
793
794 4447 static int reconstruct_intra(const RV60Context * s, const CUContext * cu, int size, int sub)
795 {
796 int blk_pos, tl_x, tl_y;
797 unique_list_intramode ipm_cand;
798
799
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 4447 if (cu->imode[0] == INTRAMODE_DC64)
800 ✗ return 1;
801
802
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 4447 if (cu->imode[0] == INTRAMODE_PLANE64)
803 ✗ return 0;
804
805 4447 unique_list_intramode_init(&ipm_cand);
806
807
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 4447 if (has_top_block(s, cu->xpos, cu->ypos, (sub & 1) * 4, 0, size)) {
808 4324 const PUInfo * pu = &s->pu_info[cu->pu_pos - s->pu_stride];
809
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 4324 if (pu_is_intra(pu))
810 3612 unique_list_intramode_add(&ipm_cand, s->blk_info[cu->blk_pos - s->blk_stride + (sub & 1)].imode);
811 }
812
813 4447 blk_pos = cu->blk_pos + (sub >> 1) * s->blk_stride + (sub & 1);
814
815
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 4447 if (has_left_block(s, cu->xpos, cu->ypos, 0, (sub & 2) * 2, size)) {
816 4363 const PUInfo * pu = &s->pu_info[cu->pu_pos - 1];
817
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 4363 if (pu_is_intra(pu))
818 3678 unique_list_intramode_add(&ipm_cand, s->blk_info[blk_pos - 1 - (sub & 1)].imode);
819 }
820
821
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 4447 tl_x = !(sub & 2) ? (cu->xpos + (sub & 1) * 4) : cu->xpos;
822 4447 tl_y = cu->ypos + (sub & 2) * 4;
823
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 4447 if (tl_x > 0 && tl_y > 0) {
824 const PUInfo * pu;
825
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 4299 switch (sub) {
826 2190 case 0: pu = &s->pu_info[cu->pu_pos - s->pu_stride - 1]; break;
827 695 case 1: pu = &s->pu_info[cu->pu_pos - s->pu_stride]; break;
828 1414 default: pu = &s->pu_info[cu->pu_pos - 1];
829 }
830
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 4299 if (pu_is_intra(pu)) {
831
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 3616 if (sub != 3)
832 3046 unique_list_intramode_add(&ipm_cand, s->blk_info[blk_pos - s->blk_stride - 1].imode);
833 else
834 570 unique_list_intramode_add(&ipm_cand, s->blk_info[blk_pos - s->blk_stride - 2].imode);
835 }
836 }
837
838
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 31129 for (int i = 0; i < FF_ARRAY_ELEMS(rv60_candidate_intra_angles); i++)
839 26682 unique_list_intramode_add(&ipm_cand, rv60_candidate_intra_angles[i]);
840
841
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 4447 if (cu->imode[sub] == INTRAMODE_INDEX)
842 3922 return ipm_cand.list[cu->imode_param[sub]];
843
844
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 525 if (cu->imode[sub] == INTRAMODE_MODE) {
845 525 enum IntraMode imode = cu->imode_param[sub];
846 525 qsort(ipm_cand.list, 3, sizeof(ipm_cand.list[0]), ipm_compar);
847
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 2100 for (int i = 0; i < 3; i++)
848
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 1575 if (imode >= ipm_cand.list[i])
849 1175 imode++;
850 525 return imode;
851 }
852
853 ✗ av_assert0(0); // should never reach here
854 return 0;
855 }
856
857 1812 static int get_skip_mv_index(enum MVRefEnum mvref)
858 {
859
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 1812 switch (mvref) {
860 287 case MVREF_SKIP1: return 1;
861 61 case MVREF_SKIP2: return 2;
862 15 case MVREF_SKIP3: return 3;
863 1449 default: return 0;
864 }
865 }
866
867 10767 static void add_if_valid(unique_list_mvinfo * skip_cand, const MVInfo * mvi)
868 {
869
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 10767 if (mvi->mvref != MVREF_NONE)
870 8846 unique_list_mvinfo_add(skip_cand, *mvi);
871 10767 }
872
873 1812 static void fill_mv_skip_cand(RV60Context * s, const CUContext * cu, unique_list_mvinfo * skip_cand, int size)
874 {
875 1812 int mv_size = size >> 2;
876
877
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 1812 if (cu->xpos)
878 1649 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos - 1].mv);
879
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 1812 if (cu->ypos)
880 1562 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos - s->blk_stride].mv);
881
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 1812 if (cu->ypos && cu->xpos + size < s->awidth)
882 1418 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos - s->blk_stride + mv_size].mv);
883
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 1812 if (cu->xpos && cu->ypos + size < s->aheight)
884 1503 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos + s->blk_stride * mv_size - 1].mv);
885
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 1812 if (cu->xpos)
886 1649 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos + s->blk_stride * (mv_size - 1) - 1].mv);
887
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 1812 if (cu->ypos)
888 1562 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos - s->blk_stride + mv_size - 1].mv);
889
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 1812 if (cu->xpos && cu->ypos)
890 1424 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos - s->blk_stride - 1].mv);
891
892
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 5694 for (int i = skip_cand->size; i < 4; i++)
893 3882 skip_cand->list[i] = (MVInfo){.mvref=MVREF_REF0,.f_mv={0,0},.b_mv={0,0}};
894 1812 }
895
896 typedef struct {
897 int w, h;
898 } Dimensions;
899
900 5808 static void get_mv_dimensions(Dimensions * dim, enum PUType pu_type, int part_no, int size)
901 {
902 5808 int mv_size = size >> 2;
903
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 5808 switch (pu_type) {
904 2920 case PU_FULL:
905 2920 dim->w = dim->h = mv_size;
906 2920 break;
907 380 case PU_N2HOR:
908 380 dim->w = mv_size;
909 380 dim->h = mv_size >> 1;
910 380 break;
911 356 case PU_N2VER:
912 356 dim->w = mv_size >> 1;
913 356 dim->h = mv_size;
914 356 break;
915 2152 case PU_QUARTERS:
916 2152 dim->w = dim->h = mv_size >> 1;
917 2152 break;
918 ✗ case PU_N4HOR:
919 ✗ dim->w = mv_size;
920 ✗ dim->h = !part_no ? (mv_size >> 2) : ((3 * mv_size) >> 2);
921 ✗ break;
922 ✗ case PU_N34HOR:
923 ✗ dim->w = mv_size;
924 ✗ dim->h = !part_no ? ((3 * mv_size) >> 2) : (mv_size >> 2);
925 ✗ break;
926 ✗ case PU_N4VER:
927 ✗ dim->w = !part_no ? (mv_size >> 2) : ((3 * mv_size) >> 2);
928 ✗ dim->h = mv_size;
929 ✗ break;
930 ✗ case PU_N34VER:
931 ✗ dim->w = !part_no ? ((3 * mv_size) >> 2) : (mv_size >> 2);
932 ✗ dim->h = mv_size;
933 ✗ break;
934 }
935 5808 }
936
937 3656 static int has_hor_split(enum PUType pu_type)
938 {
939
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 3656 return pu_type == PU_N2HOR || pu_type == PU_N4HOR || pu_type == PU_N34HOR || pu_type == PU_QUARTERS;
940 }
941
942 3276 static int has_ver_split(enum PUType pu_type)
943 {
944
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 3276 return pu_type == PU_N2VER || pu_type == PU_N4VER || pu_type == PU_N34VER || pu_type == PU_QUARTERS;
945 }
946
947 4833 static int pu_type_num_parts(enum PUType pu_type)
948 {
949
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 4833 switch (pu_type) {
950 3474 case PU_FULL: return 1;
951 807 case PU_QUARTERS: return 4;
952 552 default: return 2;
953 }
954 }
955
956 5808 static void get_next_mv(const RV60Context * s, const Dimensions * dim, enum PUType pu_type, int part_no, int * mv_pos, int * mv_x, int * mv_y)
957 {
958
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 5808 if (pu_type == PU_QUARTERS) {
959
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 2152 if (part_no != 1) {
960 1614 *mv_pos += dim->w;
961 1614 *mv_x += dim->w;
962 } else {
963 538 *mv_pos += dim->h*s->blk_stride - dim->w;
964 538 *mv_x -= dim->w;
965 538 *mv_y += dim->h;
966 }
967
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 3656 } else if (has_hor_split(pu_type)) {
968 380 *mv_pos += dim->h * s->blk_stride;
969 380 *mv_y += dim->h;
970
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 3276 } else if (has_ver_split(pu_type)) {
971 356 *mv_pos += dim->w;
972 356 *mv_x += dim->w;
973 }
974 5808 }
975
976 2915 static int mv_is_ref0(enum MVRefEnum mvref)
977 {
978
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 2915 return mvref == MVREF_REF0 || mvref == MVREF_REF0ANDBREF;
979 }
980
981 24675 static int mv_is_forward(enum MVRefEnum mvref)
982 {
983
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 24675 return mvref == MVREF_REF0 || mvref == MVREF_REF1 || mvref == MVREF_REF0ANDBREF;
984 }
985
986 27282 static int mv_is_backward(enum MVRefEnum mvref)
987 {
988
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 27282 return mvref == MVREF_BREF || mvref == MVREF_REF0ANDBREF;
989 }
990
991 4408 static int mvinfo_matches_forward(const MVInfo * a, const MVInfo * b)
992 {
993
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 4408 return a->mvref == b->mvref || (mv_is_ref0(a->mvref) && mv_is_ref0(b->mvref));
994 }
995
996 1819 static int mvinfo_matches_backward(const MVInfo * a, const MVInfo * b)
997 {
998
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 1819 return mv_is_backward(a->mvref) && mv_is_backward(b->mvref);
999 }
1000
1001 24452 static int mvinfo_is_deblock_cand(const MVInfo * a, const MVInfo * b)
1002 {
1003 int diff;
1004
1005
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 24452 if (a->mvref != b->mvref)
1006 1775 return 1;
1007
1008 22677 diff = 0;
1009
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 22677 if (mv_is_forward(a->mvref)) {
1010 19370 int dx = a->f_mv.x - b->f_mv.x;
1011 19370 int dy = a->f_mv.y - b->f_mv.y;
1012 19370 diff += FFABS(dx) + FFABS(dy);
1013 }
1014
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 22677 if (mv_is_backward(a->mvref)) {
1015 4331 int dx = a->b_mv.x - b->b_mv.x;
1016 4331 int dy = a->b_mv.y - b->b_mv.y;
1017 4331 diff += FFABS(dx) + FFABS(dy);
1018 }
1019 22677 return diff > 4;
1020 }
1021
1022 367 static void mv_pred(MV * ret, MV a, MV b, MV c)
1023 {
1024 #define MEDIAN(x) \
1025 if (a.x < b.x) \
1026 if (b.x < c.x) \
1027 ret->x = b.x; \
1028 else \
1029 ret->x = a.x < c.x ? c.x : a.x; \
1030 else \
1031 if (b.x < c.x) \
1032 ret->x = a.x < c.x ? a.x : c.x; \
1033 else \
1034 ret->x = b.x; \
1035
1036
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 367 MEDIAN(x)
1037
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 367 MEDIAN(y)
1038 367 }
1039
1040 1998 static void predict_mv(const RV60Context * s, MVInfo * dst, int mv_x, int mv_y, int mv_w, const MVInfo * src)
1041 {
1042 1998 int mv_pos = mv_y * s->blk_stride + mv_x;
1043 MV f_mv, b_mv;
1044
1045 1998 dst->mvref = src->mvref;
1046
1047
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 1998 if (mv_is_forward(src->mvref)) {
1048 1537 MV cand[3] = {0};
1049 1537 int cand_size = 0;
1050
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 1537 if (mv_x > 0) {
1051 1426 const MVInfo * mv = &s->blk_info[mv_pos - 1].mv;
1052
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 1426 if (mvinfo_matches_forward(mv, src))
1053 906 cand[cand_size++] = mv->f_mv;
1054 }
1055
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 1537 if (mv_y > 0) {
1056 1515 const MVInfo * mv = &s->blk_info[mv_pos - s->blk_stride].mv;
1057
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 1515 if (mvinfo_matches_forward(mv, src))
1058 936 cand[cand_size++] = mv->f_mv;
1059 }
1060
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 1537 if (has_top_block(s, mv_x << 2, mv_y << 2, mv_w << 2, 0, 4)) {
1061 1467 const MVInfo * mv = &s->blk_info[mv_pos - s->blk_stride + mv_w].mv;
1062
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 1467 if (mvinfo_matches_forward(mv, src))
1063 561 cand[cand_size++] = mv->f_mv;
1064 }
1065
1066
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 1537 switch (cand_size) {
1067 481 case 1:
1068 481 f_mv.x = cand[0].x;
1069 481 f_mv.y = cand[0].y;
1070 481 break;
1071 523 case 2:
1072 523 f_mv.x = (cand[0].x + cand[1].x) >> 1;
1073 523 f_mv.y = (cand[0].y + cand[1].y) >> 1;
1074 523 break;
1075 292 case 3:
1076 292 mv_pred(&f_mv, cand[0], cand[1], cand[2]);
1077 292 break;
1078 241 default:
1079 241 f_mv = (MV){0,0};
1080 241 break;
1081 }
1082 } else {
1083 461 f_mv = (MV){0,0};
1084 }
1085
1086 1998 dst->f_mv.x = src->f_mv.x + f_mv.x;
1087 1998 dst->f_mv.y = src->f_mv.y + f_mv.y;
1088
1089
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 1998 if (mv_is_backward(src->mvref)) {
1090 644 MV cand[3] = {0};
1091 644 int cand_size = 0;
1092
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 644 if (mv_x > 0) {
1093 587 const MVInfo * mv = &s->blk_info[mv_pos - 1].mv;
1094
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 587 if (mvinfo_matches_backward(mv, src))
1095 296 cand[cand_size++] = mv->b_mv;
1096 }
1097
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 644 if (mv_y > 0) {
1098 628 const MVInfo * mv = &s->blk_info[mv_pos - s->blk_stride].mv;
1099
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 628 if (mvinfo_matches_backward(mv, src))
1100 297 cand[cand_size++] = mv->b_mv;
1101 }
1102
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 644 if (has_top_block(s, mv_x << 2, mv_y << 2, mv_w << 2, 0, 4)) {
1103 604 const MVInfo * mv = &s->blk_info[mv_pos - s->blk_stride + mv_w].mv;
1104
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 604 if (mvinfo_matches_backward(mv, src))
1105 195 cand[cand_size++] = mv->b_mv;
1106 }
1107
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 644 switch (cand_size) {
1109 219 case 1:
1110 219 b_mv.x = cand[0].x;
1111 219 b_mv.y = cand[0].y;
1112 219 break;
1113 172 case 2:
1114 172 b_mv.x = (cand[0].x + cand[1].x) >> 1;
1115 172 b_mv.y = (cand[0].y + cand[1].y) >> 1;
1116 172 break;
1117 75 case 3:
1118 75 mv_pred(&b_mv, cand[0], cand[1], cand[2]);
1119 75 break;
1120 178 default:
1121 178 b_mv = (MV){0,0};
1122 178 break;
1123 }
1124 } else {
1125 1354 b_mv = (MV){0,0};
1126 }
1127
1128 1998 dst->b_mv.x = src->b_mv.x + b_mv.x;
1129 1998 dst->b_mv.y = src->b_mv.y + b_mv.y;
1130 1998 }
1131
1132 5112 static void reconstruct(RV60Context * s, const CUContext * cu, int size)
1133 {
1134 5112 int pu_size = size >> 3;
1135 PUInfo pui;
1136 int imode, mv_x, mv_y, mv_pos, count, mv_size;
1137 unique_list_mvinfo skip_cand;
1138 Dimensions dim;
1139 MVInfo mv;
1140
1141 5112 pui.cu_type = cu->cu_type;
1142 5112 pui.pu_type = cu->pu_type;
1143
1144
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 5112 if (cu->cu_type == CU_INTRA && cu->pu_type == PU_QUARTERS) {
1145 718 s->pu_info[cu->pu_pos] = pui;
1146
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 2154 for (int y = 0; y < 2; y++)
1147
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 4308 for (int x = 0; x < 2; x++)
1148 2872 s->blk_info[cu->blk_pos + y*s->blk_stride + x].imode =
1149 2872 reconstruct_intra(s, cu, 4, y*2 + x);
1150 718 return;
1151 }
1152
1153
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 4394 switch (cu->cu_type) {
1154 1575 case CU_INTRA:
1155 1575 imode = reconstruct_intra(s, cu, size, 0);
1156
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 6351 for (int y = 0; y < size >> 2; y++)
1157
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 20832 for (int x = 0; x < size >> 2; x++)
1158 16056 s->blk_info[cu->blk_pos + y*s->blk_stride + x].imode = imode;
1159 1575 break;
1160 1007 case CU_INTER_MV:
1161 1007 mv_x = cu->xpos >> 2;
1162 1007 mv_y = cu->ypos >> 2;
1163 1007 mv_pos = cu->blk_pos;
1164 1007 count = pu_type_num_parts(cu->pu_type);
1165
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 3005 for (int part_no = 0; part_no < count; part_no++) {
1166 MVInfo mv;
1167 1998 get_mv_dimensions(&dim, cu->pu_type, part_no, size);
1168 1998 predict_mv(s, &mv, mv_x, mv_y, dim.w, &cu->mv[part_no]);
1169
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 5454 for (int y = 0; y < dim.h; y++)
1170
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 10364 for (int x = 0; x < dim.w; x++)
1171 6908 s->blk_info[mv_pos + y*s->blk_stride + x].mv = mv;
1172 1998 get_next_mv(s, &dim, cu->pu_type, part_no, &mv_pos, &mv_x, &mv_y);
1173 }
1174 1007 break;
1175 1812 default:
1176 1812 unique_list_mvinfo_init(&skip_cand);
1177 1812 fill_mv_skip_cand(s, cu, &skip_cand, size);
1178 1812 mv = skip_cand.list[get_skip_mv_index(cu->mv[0].mvref)];
1179 1812 mv_size = size >> 2;
1180
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 9318 for (int y = 0; y < mv_size; y++)
1181
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 61206 for (int x = 0; x < mv_size; x++)
1182 53700 s->blk_info[cu->blk_pos + y*s->blk_stride + x].mv = mv;
1183 }
1184
1185
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 11766 for (int y = 0; y < pu_size; y++)
1186
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 26538 for (int x = 0; x < pu_size; x++)
1187 19166 s->pu_info[cu->pu_pos + y*s->pu_stride + x] = pui;
1188 }
1189
1190 2181 static void read_mv(GetBitContext * gb, MV * mv)
1191 {
1192 2181 mv->x = get_interleaved_se_golomb(gb);
1193 2181 mv->y = get_interleaved_se_golomb(gb);
1194 2181 }
1195
1196 1998 static void read_mv_info(RV60Context *s, GetBitContext * gb, MVInfo * mvinfo, int size, enum PUType pu_type)
1197 {
1198
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 1998 if (s->pict_type != AV_PICTURE_TYPE_B) {
1199
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 866 if (s->two_f_refs && get_bits1(gb))
1200 192 mvinfo->mvref = MVREF_REF1;
1201 else
1202 674 mvinfo->mvref = MVREF_REF0;
1203 866 read_mv(gb, &mvinfo->f_mv);
1204 866 mvinfo->b_mv.x = mvinfo->b_mv.y = 0;
1205 } else {
1206
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 1132 if ((size <= 8 && (size != 8 || pu_type != PU_FULL)) || get_bits1(gb)) {
1207
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 1898 if (!get_bits1(gb)) {
1208 488 mvinfo->mvref = MVREF_REF0;
1209 488 read_mv(gb, &mvinfo->f_mv);
1210 488 mvinfo->b_mv.x = mvinfo->b_mv.y = 0;
1211 } else {
1212 461 mvinfo->mvref = MVREF_BREF;
1213 461 mvinfo->f_mv.x = mvinfo->f_mv.y = 0;
1214 461 read_mv(gb, &mvinfo->b_mv);
1215 }
1216 } else {
1217 183 mvinfo->mvref = MVREF_REF0ANDBREF;
1218 183 read_mv(gb, &mvinfo->f_mv);
1219 183 read_mv(gb, &mvinfo->b_mv);
1220 }
1221 }
1222 1998 }
1223
1224 #define FILTER1(src, src_stride, src_y_ofs, step) \
1225 ( (src)[(y + src_y_ofs)*(src_stride) + x - 2*step] \
1226 - 5 * (src)[(y + src_y_ofs)*(src_stride) + x - 1*step] \
1227 +52 * (src)[(y + src_y_ofs)*(src_stride) + x ] \
1228 +20 * (src)[(y + src_y_ofs)*(src_stride) + x + 1*step] \
1229 - 5 * (src)[(y + src_y_ofs)*(src_stride) + x + 2*step] \
1230 + (src)[(y + src_y_ofs)*(src_stride) + x + 3*step] + 32) >> 6
1231
1232 #define FILTER2(src, src_stride, src_y_ofs, step) \
1233 ( (src)[(y + src_y_ofs)*(src_stride) + x - 2*step] \
1234 - 5 * (src)[(y + src_y_ofs)*(src_stride) + x - 1*step] \
1235 +20 * (src)[(y + src_y_ofs)*(src_stride) + x ] \
1236 +20 * (src)[(y + src_y_ofs)*(src_stride) + x + 1*step] \
1237 - 5 * (src)[(y + src_y_ofs)*(src_stride) + x + 2*step] \
1238 + (src)[(y + src_y_ofs)*(src_stride) + x + 3*step] + 16) >> 5
1239
1240 #define FILTER3(src, src_stride, src_y_ofs, step) \
1241 ( (src)[(y + src_y_ofs)*(src_stride) + x - 2*step] \
1242 - 5 * (src)[(y + src_y_ofs)*(src_stride) + x - 1*step] \
1243 +20 * (src)[(y + src_y_ofs)*(src_stride) + x ] \
1244 +52 * (src)[(y + src_y_ofs)*(src_stride) + x + 1*step] \
1245 - 5 * (src)[(y + src_y_ofs)*(src_stride) + x + 2*step] \
1246 + (src)[(y + src_y_ofs)*(src_stride) + x + 3*step] + 32) >> 6
1247
1248 #define FILTER_CASE(idx, dst, dst_stride, filter, w, h) \
1249 case idx: \
1250 for (int y = 0; y < h; y++) \
1251 for (int x = 0; x < w; x++) \
1252 (dst)[y*dst_stride + x] = av_clip_uint8(filter); \
1253 break;
1254
1255 #define FILTER_BLOCK(dst, dst_stride, src, src_stride, src_y_ofs, w, h, cond, step) \
1256 switch (cond) { \
1257 FILTER_CASE(1, dst, dst_stride, FILTER1(src, src_stride, src_y_ofs, step), w, h) \
1258 FILTER_CASE(2, dst, dst_stride, FILTER2(src, src_stride, src_y_ofs, step), w, h) \
1259 FILTER_CASE(3, dst, dst_stride, FILTER3(src, src_stride, src_y_ofs, step), w, h) \
1260 }
1261
1262 4117 static void luma_mc(uint8_t * dst, int dst_stride, const uint8_t * src, int src_stride, int w, int h, int cx, int cy)
1263 {
1264
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1265
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 51461 for (int y = 0; y < h; y++)
1266 47344 memcpy(dst + y*dst_stride, src + y*src_stride, w);
1267 ✗ } else if (!cy) {
1268 ✗ FILTER_BLOCK(dst, dst_stride, src, src_stride, 0, w, h, cx, 1)
1269 ✗ } else if (!cx) {
1270 ✗ FILTER_BLOCK(dst, dst_stride, src, src_stride, 0, w, h, cy, src_stride)
1271 ✗ } else if (cx != 3 || cy != 3) {
1272 uint8_t tmp[70 * 64];
1273 ✗ FILTER_BLOCK(tmp, 64, src - src_stride * 2, src_stride, 0, w, h + 5, cx, 1)
1274 ✗ FILTER_BLOCK(dst, dst_stride, tmp + 2*64, 64, 0, w, h, cy, 64)
1275 } else {
1276 ✗ for (int j = 0; j < h; j++)
1277 ✗ for (int i = 0; i < w; i++)
1278 ✗ dst[j*dst_stride + i] = (
1279 ✗ src[j*src_stride + i] +
1280 ✗ src[j*src_stride + i + 1] +
1281 ✗ src[(j + 1)*src_stride + i] +
1282 ✗ src[(j + 1)*src_stride + i + 1] + 2) >> 2;
1283 }
1284 4117 }
1285
1286 8234 static void chroma_mc(uint8_t * dst, int dst_stride, const uint8_t * src, int src_stride, int w, int h, int x, int y)
1287 {
1288
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 8234 if (!x && !y) {
1289
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 51648 for (int j = 0; j < h; j++)
1290 44208 memcpy(dst + j*dst_stride, src + j*src_stride, w);
1291
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 876 } else if (x > 0 && y > 0) {
1292 int a, b, c, d;
1293
1294
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 82 if (x == 3 && y == 3)
1295 ✗ y = 2; //reproduce bug in rv60 decoder. tested with realplayer version 18.1.7.344 and 22.0.0.321
1296
1297 82 a = (4 - x) * (4 - y);
1298 82 b = x * (4 - y);
1299 82 c = (4 - x) * y;
1300 82 d = x * y;
1301
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 382 for (int j = 0; j < h; j++)
1302
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 1404 for (int i = 0; i < w; i++)
1303 1104 dst[j*dst_stride + i] =
1304 1104 (a * src[j*src_stride + i] +
1305 1104 b * src[j*src_stride + i + 1] +
1306 1104 c * src[(j + 1)*src_stride + i] +
1307 1104 d * src[(j + 1)*src_stride + i + 1] + 8) >> 4;
1308 } else {
1309 712 int a = (4 - x) * (4 - y);
1310 712 int e = x * (4 - y) + (4 - x) * y;
1311
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 712 int step = y > 0 ? src_stride : 1;
1312
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 3548 for (int j = 0; j < h; j++)
1313
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 17348 for (int i = 0; i < w; i++)
1314 14512 dst[j*dst_stride + i] =
1315 14512 (a * src[j*src_stride + i] +
1316 14512 e * src[j*src_stride + i + step] + 8) >> 4;
1317 }
1318 8234 }
1319
1320 12351 static int check_pos(int x, int y, int cw, int ch, int w, int h, int dx, int dy, int e0, int e1, int e2, int e3)
1321 {
1322 12351 int x2 = x + dx;
1323 12351 int y2 = y + dy;
1324
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 12351 return x2 - e0 >= 0 && x2 + cw + e1 <= w && y2 - e2 >= 0 && y2 + ch + e3 <= h;
1325 }
1326
1327 4117 static void mc(RV60Context * s, uint8_t * frame_data[3], int frame_linesize[3], const AVFrame * ref, int x, int y, int w, int h, MV mv, int avg)
1328 {
1329 {
1330
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 4117 int off = !avg ? y * frame_linesize[0] + x : 0;
1331 4117 int fw = s->awidth;
1332 4117 int fh = s->aheight;
1333 4117 int dx = mv.x >> 2;
1334 4117 int cx = mv.x & 3;
1335 4117 int dy = mv.y >> 2;
1336 4117 int cy = mv.y & 3;
1337
1338
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 4117 if (check_pos(x, y, w, h, fw, fh, dx, dy, rv60_edge1[cx], rv60_edge2[cx], rv60_edge1[cy], rv60_edge2[cy])) {
1339 4041 luma_mc(
1340 4041 frame_data[0] + off,
1341 frame_linesize[0],
1342 4041 ref->data[0] + (y + dy) * ref->linesize[0] + x + dx,
1343 4041 ref->linesize[0],
1344 w, h, cx, cy);
1345 } else {
1346 uint8_t buf[70*70];
1347 76 int xoff = x + dx - 2;
1348 76 int yoff = y + dy - 2;
1349 76 s->vdsp.emulated_edge_mc(buf,
1350 76 ref->data[0] + yoff * ref->linesize[0] + xoff,
1351 76 70, ref->linesize[0],
1352 w + 5, h + 5,
1353 xoff, yoff,
1354 fw, fh);
1355
1356 76 luma_mc(frame_data[0] + off, frame_linesize[0],
1357 buf + 70 * 2 + 2, 70, w, h, cx, cy);
1358 }
1359 }
1360 {
1361 4117 int fw = s->awidth >> 1;
1362 4117 int fh = s->aheight >> 1;
1363 4117 int mvx = mv.x / 2;
1364 4117 int mvy = mv.y / 2;
1365 4117 int dx = mvx >> 2;
1366 4117 int cx = mvx & 3;
1367 4117 int dy = mvy >> 2;
1368 4117 int cy = mvy & 3;
1369 4117 int cw = w >> 1;
1370 4117 int ch = h >> 1;
1371
1372
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 12351 for (int plane = 1; plane < 3; plane++) {
1373
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 8234 int off = !avg ? (y >> 1) * frame_linesize[plane] + (x >> 1) : 0;
1374
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 8234 if (check_pos(x >> 1, y >> 1, cw, ch, fw, fh, dx, dy, 0, 1, 0, 1)) {
1375 7310 chroma_mc(
1376 7310 frame_data[plane] + off,
1377 7310 frame_linesize[plane],
1378 7310 ref->data[plane] + ((y >> 1) + dy) * ref->linesize[plane] + (x >> 1) + dx,
1379 7310 ref->linesize[plane],
1380 cw, ch, cx, cy);
1381 } else {
1382 uint8_t buf[40*40];
1383 924 s->vdsp.emulated_edge_mc(buf,
1384 924 ref->data[plane] + ((y >> 1) + dy) * ref->linesize[plane] + (x >> 1) + dx,
1385 924 40, ref->linesize[plane],
1386 cw + 1, ch + 1,
1387 924 (x >> 1) + dx, (y >> 1) + dy,
1388 fw, fh);
1389 924 chroma_mc(frame_data[plane] + off, frame_linesize[plane], buf, 40, cw, ch, cx, cy);
1390 }
1391 }
1392 }
1393 4117 }
1394
1395 921 static void avg_plane(uint8_t * dst, int dst_stride, const uint8_t * src, int src_stride, int w, int h)
1396 {
1397
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 7913 for (int j = 0; j < h; j++)
1398
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 101936 for (int i = 0; i < w; i++)
1399 94944 dst[j*dst_stride + i] = (dst[j*dst_stride + i] + src[j*src_stride + i]) >> 1;
1400 921 }
1401
1402 307 static void avg(AVFrame * frame, uint8_t * prev_frame_data[3], int prev_frame_linesize[3], int x, int y, int w, int h)
1403 {
1404
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 1228 for (int plane = 0; plane < 3; plane++) {
1405 921 int shift = !plane ? 0 : 1;
1406 921 avg_plane(frame->data[plane] + (y >> shift) * frame->linesize[plane] + (x >> shift), frame->linesize[plane],
1407 921 prev_frame_data[plane], prev_frame_linesize[plane],
1408 w >> shift, h >> shift);
1409 }
1410 307 }
1411
1412 2253 static int get_c4x4_set(int qp, int is_intra)
1413 {
1414
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 2253 if (is_intra)
1415 1166 return rv60_qp_to_idx[qp + 32];
1416 else
1417 1087 return rv60_qp_to_idx[qp];
1418 }
1419
1420 137688 static int quant(int v, int q)
1421 {
1422 137688 return (v * q + 8) >> 4;
1423 }
1424
1425 137688 static int decode_coeff(GetBitContext * gb, const CoeffVLCs * vlcs, int inval, int val)
1426 {
1427 int esc_sym;
1428
1429
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 137688 if (inval != val)
1430
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 73186 return inval && get_bits1(gb) ? -inval : inval;
1431
1432 64502 esc_sym = get_vlc2(gb, vlcs->esc, 9, 2);
1433
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 64502 if (esc_sym > 23) {
1434 2214 int esc_bits = esc_sym - 23;
1435 2214 val += (1 << esc_bits) + get_bits(gb, esc_bits) + 22;
1436 } else
1437 62288 val += esc_sym;
1438
1439
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 64502 return get_bits1(gb) ? -val : val;
1440 }
1441
1442 4396 static void decode_2x2_dc(GetBitContext * gb, const CoeffVLCs * vlcs, int16_t * coeffs, int stride, int block2, int dsc, int q_dc, int q_ac)
1443 {
1444 const uint8_t * lx;
1445
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 4396 if (!dsc)
1446 ✗ return;
1447
1448 4396 lx = rv60_dsc_to_lx[dsc - 1];
1449
1450 4396 coeffs[0] = quant(decode_coeff(gb, vlcs, lx[0], 3), q_dc);
1451
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 4396 if (!block2) {
1452 4396 coeffs[1] = quant(decode_coeff(gb, vlcs, lx[1], 2), q_ac);
1453 4396 coeffs[stride] = quant(decode_coeff(gb, vlcs, lx[2], 2), q_ac);
1454 } else {
1455 ✗ coeffs[stride] = quant(decode_coeff(gb, vlcs, lx[1], 2), q_ac);
1456 ✗ coeffs[1] = quant(decode_coeff(gb, vlcs, lx[2], 2), q_ac);
1457 }
1458 4396 coeffs[stride + 1] = quant(decode_coeff(gb, vlcs, lx[3], 2), q_ac);
1459 }
1460
1461 30026 static void decode_2x2(GetBitContext * gb, const CoeffVLCs * vlcs, int16_t * coeffs, int stride, int block2, int dsc, int q_ac)
1462 {
1463 const uint8_t * lx;
1464
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 30026 if (!dsc)
1465 ✗ return;
1466
1467 30026 lx = rv60_dsc_to_lx[dsc - 1];
1468
1469 30026 coeffs[0] = quant(decode_coeff(gb, vlcs, lx[0], 3), q_ac);
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 30026 if (!block2) {
1471 22293 coeffs[1] = quant(decode_coeff(gb, vlcs, lx[1], 2), q_ac);
1472 22293 coeffs[stride] = quant(decode_coeff(gb, vlcs, lx[2], 2), q_ac);
1473 } else {
1474 7733 coeffs[stride] = quant(decode_coeff(gb, vlcs, lx[1], 2), q_ac);
1475 7733 coeffs[1] = quant(decode_coeff(gb, vlcs, lx[2], 2), q_ac);
1476 }
1477 30026 coeffs[stride + 1] = quant(decode_coeff(gb, vlcs, lx[3], 2), q_ac);
1478 }
1479
1480 4548 static void decode_4x4_block_dc(GetBitContext * gb, const CoeffVLCs * vlcs, int is_luma, int16_t * coeffs, int stride, int q_dc, int q_ac)
1481 {
1482 4548 int sym0 = get_vlc2(gb, vlcs->l0[!is_luma], 9, 2);
1483 4548 int grp0 = sym0 >> 3;
1484
1485
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 4548 if (grp0)
1486 4396 decode_2x2_dc(gb, vlcs, coeffs, stride, 0, grp0, q_dc, q_ac);
1487
1488
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 4548 if (sym0 & 4) {
1489 3242 int grp = get_vlc2(gb, vlcs->l12[!is_luma], 9, 2);
1490 3242 decode_2x2(gb, vlcs, coeffs + 2, stride, 0, grp, q_ac);
1491 }
1492
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 4548 if (sym0 & 2) {
1493 2779 int grp = get_vlc2(gb, vlcs->l12[!is_luma], 9, 2);
1494 2779 decode_2x2(gb, vlcs, coeffs + 2*stride, stride, 1, grp, q_ac);
1495 }
1496
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 4548 if (sym0 & 1) {
1497 2478 int grp = get_vlc2(gb, vlcs->l3[!is_luma], 9, 2);
1498 2478 decode_2x2(gb, vlcs, coeffs + 2*stride + 2, stride, 0, grp, q_ac);
1499 }
1500 4548 }
1501
1502 7219 static void decode_4x4_block(GetBitContext * gb, const CoeffVLCs * vlcs, int is_luma, int16_t * coeffs, int stride, int q_ac)
1503 {
1504 7219 int sym0 = get_vlc2(gb, vlcs->l0[!is_luma], 9, 2);
1505 7219 int grp0 = (sym0 >> 3);
1506
1507
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 7219 if (grp0)
1508 6761 decode_2x2(gb, vlcs, coeffs, stride, 0, grp0, q_ac);
1509
1510
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 7219 if (sym0 & 4) {
1511 5569 int grp = get_vlc2(gb, vlcs->l12[!is_luma], 9, 2);
1512 5569 decode_2x2(gb, vlcs, coeffs + 2, stride, 0, grp, q_ac);
1513 }
1514
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 7219 if (sym0 & 2) {
1515 4954 int grp = get_vlc2(gb, vlcs->l12[!is_luma], 9, 2);
1516 4954 decode_2x2(gb, vlcs, coeffs + 2*stride, stride, 1, grp, q_ac);
1517 }
1518
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 7219 if (sym0 & 1) {
1519 4243 int grp = get_vlc2(gb, vlcs->l3[!is_luma], 9, 2);
1520 4243 decode_2x2(gb, vlcs, coeffs + 2*stride + 2, stride, 0, grp, q_ac);
1521 }
1522 7219 }
1523
1524 139 static void decode_cu_4x4in16x16(GetBitContext * gb, int is_intra, int qp, int sel_qp, int16_t * y_coeffs, int16_t * u_coeffs, int16_t * v_coeffs, int cbp)
1525 {
1526 139 int cb_set = get_c4x4_set(sel_qp, is_intra);
1527
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 139 const CoeffVLCs * vlc = is_intra ? &intra_coeff_vlc[cb_set] : &inter_coeff_vlc[cb_set];
1528 139 int q_y = rv60_quants_b[qp];
1529 139 int q_c_dc = rv60_quants_b[rv60_chroma_quant_dc[qp]];
1530 139 int q_c_ac = rv60_quants_b[rv60_chroma_quant_ac[qp]];
1531
1532 139 memset(y_coeffs, 0, sizeof(y_coeffs[0])*256);
1533
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 2363 for (int i = 0; i < 16; i++)
1534
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 2224 if ((cbp >> i) & 1)
1535 979 decode_4x4_block(gb, vlc, 1, y_coeffs + i * 16 , 4, q_y);
1536
1537 139 memset(u_coeffs, 0, sizeof(u_coeffs[0])*64);
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 695 for (int i = 0; i < 4; i++)
1539
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 556 if ((cbp >> (16 + i)) & 1)
1540 341 decode_4x4_block_dc(gb, vlc, 0, u_coeffs + i * 16, 4, q_c_dc, q_c_ac);
1541
1542 139 memset(v_coeffs, 0, sizeof(v_coeffs[0])*64);
1543
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 695 for (int i = 0; i < 4; i++)
1544
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 556 if ((cbp >> (20 + i)) & 1)
1545 335 decode_4x4_block_dc(gb, vlc, 0, v_coeffs + i * 16, 4, q_c_dc, q_c_ac);
1546 139 }
1547
1548 2387 static int decode_cbp8(GetBitContext * gb, int subset, int qp)
1549 {
1550 2387 int cb_set = rv60_qp_to_idx[qp];
1551 2387 return get_vlc2(gb, cbp8_vlc[cb_set][subset], 9, 2);
1552 }
1553
1554 1901 static void decode_cu_8x8(GetBitContext * gb, int is_intra, int qp, int sel_qp, int16_t * y_coeffs, int16_t * u_coeffs, int16_t * v_coeffs, int ccbp, int mode4x4)
1555 {
1556 1901 int cb_set = get_c4x4_set(sel_qp, is_intra);
1557
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 1901 const CoeffVLCs * vlc = is_intra ? &intra_coeff_vlc[cb_set] : &inter_coeff_vlc[cb_set];
1558 1901 int q_y = rv60_quants_b[qp];
1559 1901 int q_c_dc = rv60_quants_b[rv60_chroma_quant_dc[qp]];
1560 1901 int q_c_ac = rv60_quants_b[rv60_chroma_quant_ac[qp]];
1561
1562 1901 memset(y_coeffs, 0, sizeof(y_coeffs[0])*64);
1563
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 9505 for (int i = 0; i < 4; i++) {
1564
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 7604 if ((ccbp >> i) & 1) {
1565 int offset, stride;
1566
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 4514 if (mode4x4) {
1567 2468 offset = i*16;
1568 2468 stride = 4;
1569 } else {
1570 2046 offset = (i & 1) * 4 + (i & 2) * 2 * 8;
1571 2046 stride = 8;
1572 }
1573 4514 decode_4x4_block(gb, vlc, 1, y_coeffs + offset, stride, q_y);
1574 }
1575 }
1576
1577
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 1901 if ((ccbp >> 4) & 1) {
1578 1741 memset(u_coeffs, 0, sizeof(u_coeffs[0])*16);
1579 1741 decode_4x4_block_dc(gb, vlc, 0, u_coeffs, 4, q_c_dc, q_c_ac);
1580 }
1581
1582
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 1901 if ((ccbp >> 5) & 1) {
1583 1778 memset(v_coeffs, 0, sizeof(u_coeffs[0])*16);
1584 1778 decode_4x4_block_dc(gb, vlc, 0, v_coeffs, 4, q_c_dc, q_c_ac);
1585 }
1586 1901 }
1587
1588 213 static void decode_cu_16x16(GetBitContext * gb, int is_intra, int qp, int sel_qp, int16_t * y_coeffs, int16_t * u_coeffs, int16_t * v_coeffs, int ccbp)
1589 {
1590 213 int cb_set = get_c4x4_set(sel_qp, is_intra);
1591
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 213 const CoeffVLCs * vlc = is_intra ? &intra_coeff_vlc[cb_set] : &inter_coeff_vlc[cb_set];
1592 213 int q_y = rv60_quants_b[qp];
1593 213 int q_c_dc = rv60_quants_b[rv60_chroma_quant_dc[qp]];
1594 213 int q_c_ac = rv60_quants_b[rv60_chroma_quant_ac[qp]];
1595
1596 213 memset(y_coeffs, 0, sizeof(y_coeffs[0])*256);
1597
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 3621 for (int i = 0; i < 16; i++)
1598
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 3408 if ((ccbp >> i) & 1) {
1599 1230 int off = (i & 3) * 4 + (i >> 2) * 4 * 16;
1600 1230 decode_4x4_block(gb, vlc, 1, y_coeffs + off, 16, q_y);
1601 }
1602
1603 213 memset(u_coeffs, 0, sizeof(u_coeffs[0])*64);
1604
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 1065 for (int i = 0; i < 4; i++)
1605
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 852 if ((ccbp >> (16 + i)) & 1) {
1606 428 int off = (i & 1) * 4 + (i & 2) * 2 * 8;
1607
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 428 if (!i)
1608 161 decode_4x4_block_dc(gb, vlc, 0, u_coeffs + off, 8, q_c_dc, q_c_ac);
1609 else
1610 267 decode_4x4_block(gb, vlc, 0, u_coeffs + off, 8, q_c_ac);
1611 }
1612
1613 213 memset(v_coeffs, 0, sizeof(v_coeffs[0])*64);
1614
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 1065 for (int i = 0; i < 4; i++)
1615
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 852 if ((ccbp >> (20 + i)) & 1) {
1616 421 int off = (i & 1) * 4 + (i & 2) * 2 * 8;
1617
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 421 if (!i)
1618 192 decode_4x4_block_dc(gb, vlc, 0, v_coeffs + off, 8, q_c_dc, q_c_ac);
1619 else
1620 229 decode_4x4_block(gb, vlc, 0, v_coeffs + off, 8, q_c_ac);
1621 }
1622 213 }
1623
1624 352 static int decode_super_cbp(GetBitContext * gb, const VLCElem * vlc[4])
1625 {
1626 352 int sym0 = get_vlc2(gb, vlc[0], 9, 2);
1627 352 int sym1 = get_vlc2(gb, vlc[1], 9, 2);
1628 352 int sym2 = get_vlc2(gb, vlc[2], 9, 2);
1629 352 int sym3 = get_vlc2(gb, vlc[3], 9, 2);
1630 return 0
1631 352 + ((sym0 & 0x03) << 0)
1632 352 + ((sym0 & 0x0C) << 2)
1633 352 + ((sym0 & 0x10) << 12)
1634 352 + ((sym0 & 0x20) << 15)
1635 352 + ((sym1 & 0x03) << 2)
1636 352 + ((sym1 & 0x0C) << 4)
1637 352 + ((sym1 & 0x10) << 13)
1638 352 + ((sym1 & 0x20) << 16)
1639 352 + ((sym2 & 0x03) << 8)
1640 352 + ((sym2 & 0x0C) << 10)
1641 352 + ((sym2 & 0x10) << 14)
1642 352 + ((sym2 & 0x20) << 17)
1643 352 + ((sym3 & 0x03) << 10)
1644 352 + ((sym3 & 0x0C) << 12)
1645 352 + ((sym3 & 0x10) << 15)
1646 352 + ((sym3 & 0x20) << 18);
1647 }
1648
1649 352 static int decode_cbp16(GetBitContext * gb, int subset, int qp)
1650 {
1651 352 int cb_set = rv60_qp_to_idx[qp];
1652 352 return decode_super_cbp(gb, cbp16_vlc[cb_set][subset]);
1653 }
1654
1655 7524 static int decode_cu_r(RV60Context * s, AVFrame * frame, ThreadContext * thread, GetBitContext * gb, int xpos, int ypos, int log_size, int qp, int sel_qp)
1656 {
1657 7524 int size = 1 << log_size;
1658 int split, ret, ttype, count, is_intra, cu_pos, subset, cbp8, imode, split_i4x4, num_clusters, cl_cbp, super_cbp, mv_x, mv_y, mv_pos;
1659 int16_t y_coeffs[16*16], u_coeffs[8*8], v_coeffs[8*8];
1660 CUContext cu;
1661
1662
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 7524 if (xpos >= s->awidth || ypos >= s->aheight)
1663 630 return 0;
1664
1665
8/8
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✓ Branch 7 taken 1502 times.
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 6894 split = xpos + size > s->awidth || ypos + size > s->aheight || (size > 8 && get_bits1(gb));
1666 6894 thread->cu_split[thread->cu_split_pos++] = split;
1667
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 6894 if (split) {
1668 1782 size >>= 1;
1669 1782 log_size -= 1;
1670
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 3564 if ((ret = decode_cu_r(s, frame, thread, gb, xpos, ypos, log_size, qp, sel_qp)) < 0 ||
1671
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 3564 (ret = decode_cu_r(s, frame, thread, gb, xpos + size, ypos, log_size, qp, sel_qp)) < 0 ||
1672
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 3564 (ret = decode_cu_r(s, frame, thread, gb, xpos, ypos + size, log_size, qp, sel_qp)) < 0 ||
1673 1782 (ret = decode_cu_r(s, frame, thread, gb, xpos + size, ypos + size, log_size, qp, sel_qp)) < 0)
1674 ✗ return ret;
1675 1782 return 0;
1676 }
1677
1678 5112 cu.xpos = xpos;
1679 5112 cu.ypos = ypos;
1680 5112 cu.pu_pos = (xpos >> 3) + (ypos >> 3) * s->pu_stride;
1681 5112 cu.blk_pos = (xpos >> 2) + (ypos >> 2) * s->blk_stride;
1682
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 5112 cu.cu_type = s->pict_type != AV_PICTURE_TYPE_I ? get_bits(gb, 2) : CU_INTRA;
1683
1684
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 5112 switch (cu.cu_type) {
1685 2293 case CU_INTRA:
1686
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 2293 cu.pu_type = size == 8 && get_bits1(gb) ? PU_QUARTERS : PU_FULL;
1687
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 2293 if (cu.pu_type == PU_QUARTERS)
1688
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 3590 for (int i = 0; i < 4; i++)
1689 2872 cu.imode[i] = read_intra_mode(gb, &cu.imode_param[i]);
1690
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 1575 else if (size <= 32)
1691 1575 cu.imode[0] = read_intra_mode(gb, &cu.imode_param[0]);
1692 else
1693 ✗ cu.imode[0] = get_bits1(gb) ? INTRAMODE_PLANE64 : INTRAMODE_DC64;
1694 2293 break;
1695 1007 case CU_INTER_MV:
1696
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 1007 cu.pu_type = get_bits(gb, size == 8 ? 2 : 3);
1697 1007 count = pu_type_num_parts(cu.pu_type);
1698
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 3005 for (int i = 0; i < count; i++)
1699 1998 read_mv_info(s, gb, &cu.mv[i], size, cu.pu_type);
1700 1007 break;
1701 1812 default:
1702 1812 cu.pu_type = PU_FULL;
1703 1812 cu.mv[0].mvref = skip_mv_ref[get_unary(gb, 0, 3)];
1704 1812 break;
1705 }
1706
1707 5112 reconstruct(s, &cu, size);
1708
1709
6/6
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✓ Branch 5 taken 762 times.
 5112 split_i4x4 = cu.cu_type == CU_INTRA && size == 8 && cu.pu_type == PU_QUARTERS;
1710
1711
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 5112 switch (cu.cu_type) {
1712 2293 case CU_INTRA:
1713 2293 imode = s->blk_info[cu.blk_pos].imode;
1714
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✓ Branch 1 taken 718 times.
 2293 if (!split_i4x4) {
1715 1575 int off = ypos * frame->linesize[0] + xpos;
1716 1575 populate_ipred(s, &cu, frame->data[0], frame->linesize[0], 0, 0, size, 1);
1717
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✓ Branch 2 taken 1575 times.
 1575 if (pred_angle(&cu.ipred, frame->data[0] + off, frame->linesize[0], size, imode, 1) < 0)
1718 ✗ return AVERROR_INVALIDDATA;
1719 }
1720
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 6879 for (int plane = 1; plane < 3; plane++) {
1721 4586 int off = (ypos >> 1) * frame->linesize[plane] + (xpos >> 1);
1722 4586 populate_ipred(s, &cu, frame->data[plane], frame->linesize[plane], 0, 0, size >> 1, 0);
1723
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✓ Branch 2 taken 4586 times.
 4586 if (pred_angle(&cu.ipred, frame->data[plane] + off, frame->linesize[plane], size >> 1, imode, 0) < 0)
1724 ✗ return AVERROR_INVALIDDATA;
1725 }
1726 2293 break;
1727 2819 default:
1728 2819 mv_x = xpos >> 2;
1729 2819 mv_y = ypos >> 2;
1730 2819 mv_pos = mv_y * s->blk_stride + mv_x;
1731 2819 count = pu_type_num_parts(cu.pu_type);
1732
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 6629 for (int part_no = 0; part_no < count; part_no++) {
1733 MVInfo mv;
1734 Dimensions dim;
1735 int bw, bh, bx, by;
1736
1737 3810 mv = s->blk_info[mv_pos].mv;
1738 3810 get_mv_dimensions(&dim, cu.pu_type, part_no, size);
1739 3810 bw = dim.w << 2;
1740 3810 bh = dim.h << 2;
1741 3810 bx = mv_x << 2;
1742 3810 by = mv_y << 2;
1743
1744
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 3810 if (!(mv.mvref & 2)) {
1745
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 2725 if (!s->last_frame[LAST_PIC]->data[0]) {
1746 ✗ av_log(s->avctx, AV_LOG_ERROR, "missing reference frame\n");
1747 ✗ return AVERROR_INVALIDDATA;
1748 }
1749 }
1750
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 3810 if (mv.mvref & 6) {
1751
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 1392 if (!s->last_frame[NEXT_PIC]->data[0]) {
1752 ✗ av_log(s->avctx, AV_LOG_ERROR, "missing reference frame\n");
1753 ✗ return AVERROR_INVALIDDATA;
1754 }
1755 }
1756
1757
4/5
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 3810 switch (mv.mvref) {
1758 2418 case MVREF_REF0:
1759 2418 mc(s, frame->data, frame->linesize, s->last_frame[LAST_PIC], bx, by, bw, bh, mv.f_mv, 0);
1760 2418 break;
1761 207 case MVREF_REF1:
1762 207 mc(s, frame->data, frame->linesize, s->last_frame[NEXT_PIC], bx, by, bw, bh, mv.f_mv, 0);
1763 207 break;
1764 878 case MVREF_BREF:
1765 878 mc(s, frame->data, frame->linesize, s->last_frame[NEXT_PIC], bx, by, bw, bh, mv.b_mv, 0);
1766 878 break;
1767 307 case MVREF_REF0ANDBREF:
1768 307 mc(s, frame->data, frame->linesize, s->last_frame[LAST_PIC], bx, by, bw, bh, mv.f_mv, 0);
1769 307 mc(s, thread->avg_data, thread->avg_linesize, s->last_frame[NEXT_PIC], bx, by, bw, bh, mv.b_mv, 1);
1770 307 avg(frame, thread->avg_data, thread->avg_linesize, bx, by, bw, bh);
1771 307 break;
1772 ✗ default:
1773 ✗ av_assert0(0); //should never reach here
1774 }
1775 3810 get_next_mv(s, &dim, cu.pu_type, part_no, &mv_pos, &mv_x, &mv_y);
1776 }
1777 2819 break;
1778 }
1779
1780
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 5112 if (cu.cu_type == CU_SKIP)
1781 1639 ttype = TRANSFORM_NONE;
1782
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 3473 else if (size >= 32)
1783 28 ttype = TRANSFORM_16X16;
1784
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 3445 else if (size == 16)
1785
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 1058 ttype = cu.cu_type == CU_INTRA || cu.pu_type == PU_FULL ? TRANSFORM_16X16 : TRANSFORM_4X4;
1786 else
1787
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 2387 ttype = cu.pu_type == PU_FULL ? TRANSFORM_8X8 : TRANSFORM_4X4;
1788
1789 5112 is_intra = cu.cu_type == CU_INTRA;
1790
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 5112 if (qp >= 32)
1791 ✗ return AVERROR_INVALIDDATA;
1792 5112 cu_pos = ((xpos & 63) >> 3) + ((ypos & 63) >> 3) * 8;
1793
1794
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 5112 switch (ttype) {
1795 1165 case TRANSFORM_4X4:
1796
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 1165 subset = is_intra ? 0 : 2;
1797
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 1165 if (size == 16) {
1798
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 148 int cbp16 = get_bits1(gb) ? decode_cbp16(gb, subset, sel_qp) : 0;
1799
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 148 if (cbp16) {
1800 139 decode_cu_4x4in16x16(gb, is_intra, qp, sel_qp, y_coeffs, u_coeffs, v_coeffs, cbp16);
1801
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 695 for (int y = 0; y < 4; y++)
1802
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 2780 for (int x = 0; x < 4; x++) {
1803 2224 int i = y*4 + x;
1804
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 2224 if ((cbp16 >> i) & 1) {
1805 979 int off = (ypos + y * 4)*frame->linesize[0] + xpos + x * 4;
1806 979 ff_rv60_idct4x4_add(y_coeffs + i*16, frame->data[0] + off, frame->linesize[0]);
1807 979 thread->coded_blk[cu_pos + (y/2)*8 + (x/2)] = 1;
1808 }
1809 }
1810
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 417 for (int y = 0; y < 2; y++)
1811
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 834 for (int x = 0; x < 2; x++) {
1812 556 int i = y * 2 + x;
1813 556 int xoff = (xpos >> 1) + x * 4;
1814 556 int yoff = (ypos >> 1) + y * 4;
1815
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 556 if ((cbp16 >> (16 + i)) & 1) {
1816 341 int off = yoff * frame->linesize[1] + xoff;
1817 341 ff_rv60_idct4x4_add(u_coeffs + i * 16, frame->data[1] + off, frame->linesize[1]);
1818 341 thread->coded_blk[cu_pos + y*8 + x] = 1;
1819 }
1820
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 556 if ((cbp16 >> (20 + i)) & 1) {
1821 335 int off = yoff * frame->linesize[2] + xoff;
1822 335 ff_rv60_idct4x4_add(v_coeffs + i * 16, frame->data[2] + off, frame->linesize[2]);
1823 335 thread->coded_blk[cu_pos + y*8 + x] = 1;
1824 }
1825 }
1826 }
1827 } else {
1828 1017 cbp8 = decode_cbp8(gb, subset, sel_qp);
1829
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 1017 if (cbp8) {
1830 967 thread->coded_blk[cu_pos] = 1;
1831 967 decode_cu_8x8(gb, is_intra, qp, sel_qp, y_coeffs, u_coeffs, v_coeffs, cbp8, 1);
1832 }
1833
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 5085 for (int i = 0; i < 4; i++) {
1834 4068 int xoff = (i & 1) << 2;
1835 4068 int yoff = (i & 2) << 1;
1836
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 4068 if (split_i4x4) {
1837 2872 int off = (ypos + yoff) * frame->linesize[0] + xpos + xoff;
1838 2872 int imode = s->blk_info[cu.blk_pos + (i >> 1) * s->blk_stride + (i & 1)].imode;
1839 2872 populate_ipred(s, &cu, frame->data[0], frame->linesize[0], xoff, yoff, 4, 1);
1840
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✓ Branch 2 taken 2872 times.
 2872 if (pred_angle(&cu.ipred, frame->data[0] + off, frame->linesize[0], 4, imode, 1) < 0)
1841 ✗ return AVERROR_INVALIDDATA;
1842 }
1843
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 4068 if ((cbp8 >> i) & 1) {
1844 2468 int off = (ypos + yoff) * frame->linesize[0] + xpos + xoff;
1845 2468 ff_rv60_idct4x4_add(y_coeffs + i * 16, frame->data[0] + off, frame->linesize[0]);
1846 }
1847 }
1848
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 1017 if ((cbp8 >> 4) & 1) {
1849 935 int off = (ypos >> 1) * frame->linesize[1] + (xpos >> 1);
1850 935 ff_rv60_idct4x4_add(u_coeffs, frame->data[1] + off, frame->linesize[1]);
1851 }
1852
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 1017 if ((cbp8 >> 5) & 1) {
1853 936 int off = (ypos >> 1) * frame->linesize[2] + (xpos >> 1);
1854 936 ff_rv60_idct4x4_add(v_coeffs, frame->data[2] + off, frame->linesize[2]);
1855 }
1856 }
1857 1165 break;
1858 1370 case TRANSFORM_8X8:
1859
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 1370 subset = is_intra ? 1 : 3;
1860 1370 cbp8 = decode_cbp8(gb, subset, sel_qp);
1861
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 1370 if (cbp8) {
1862 934 thread->coded_blk[cu_pos] = 1;
1863 934 decode_cu_8x8(gb, is_intra, qp, sel_qp, y_coeffs, u_coeffs, v_coeffs, cbp8, 0);
1864
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 934 if (cbp8 & 0xF) {
1865 851 int off = ypos * frame->linesize[0] + xpos;
1866 851 ff_rv60_idct8x8_add(y_coeffs, frame->data[0] + off, frame->linesize[0]);
1867 }
1868
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 934 if ((cbp8 >> 4) & 1) {
1869 806 int off = (ypos >> 1) * frame->linesize[1] + (xpos >> 1);
1870 806 ff_rv60_idct4x4_add(u_coeffs, frame->data[1] + off, frame->linesize[1]);
1871 }
1872
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 934 if ((cbp8 >> 5) & 1) {
1873 842 int off = (ypos >> 1) * frame->linesize[2] + (xpos >> 1);
1874 842 ff_rv60_idct4x4_add(v_coeffs, frame->data[2] + off, frame->linesize[2]);
1875 }
1876 }
1877 1370 break;
1878 938 case TRANSFORM_16X16:
1879
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 938 subset = is_intra ? 1 : 3;
1880 938 num_clusters = size >> 4;
1881 938 cl_cbp = get_bits(gb, num_clusters * num_clusters);
1882
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 1904 for (int y = 0; y < num_clusters; y++) {
1883
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 1988 for (int x = 0; x < num_clusters; x++) {
1884
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 1022 if (!((cl_cbp >> (y*num_clusters + x)) & 1))
1885 809 continue;
1886 213 thread->coded_blk[cu_pos + y*2*8 + x*2 + 0] = 1;
1887 213 thread->coded_blk[cu_pos + y*2*8 + x*2 + 1] = 1;
1888 213 thread->coded_blk[cu_pos + y*2*8 + x*2 + 8] = 1;
1889 213 thread->coded_blk[cu_pos + y*2*8 + x*2 + 9] = 1;
1890 213 super_cbp = decode_cbp16(gb, subset, sel_qp);
1891
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✗ Branch 1 not taken.
 213 if (super_cbp) {
1892 213 decode_cu_16x16(gb, is_intra, qp, sel_qp, y_coeffs, u_coeffs, v_coeffs, super_cbp);
1893
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 213 if (super_cbp & 0xFFFF) {
1894 171 int off = (ypos + y * 16) * frame->linesize[0] + xpos + x * 16;
1895 171 ff_rv60_idct16x16_add(y_coeffs, frame->data[0] + off, frame->linesize[0]);
1896 }
1897
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 213 if ((super_cbp >> 16) & 0xF) {
1898 162 int off = ((ypos >> 1) + y * 8) * frame->linesize[1] + (xpos >> 1) + x * 8;
1899 162 ff_rv60_idct8x8_add(u_coeffs, frame->data[1] + off, frame->linesize[1]);
1900 }
1901
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 213 if ((super_cbp >> 20) & 0xF) {
1902 194 int off = ((ypos >> 1) + y * 8) * frame->linesize[2] + (xpos >> 1) + x * 8;
1903 194 ff_rv60_idct8x8_add(v_coeffs, frame->data[2] + off, frame->linesize[2]);
1904 }
1905 }
1906 }
1907 }
1908 938 break;
1909 }
1910
1911 5112 return 0;
1912 }
1913
1914 19711 static int deblock_get_pos(RV60Context * s, int xpos, int ypos)
1915 {
1916 19711 return (ypos >> 2) * s->dblk_stride + (xpos >> 2);
1917 }
1918
1919 7779 static void deblock_set_strength(RV60Context * s, int xpos, int ypos, int size, int q, int strength)
1920 {
1921 7779 int pos = deblock_get_pos(s, xpos, ypos);
1922 7779 int dsize = size >> 2;
1923 7779 int dval = (q << 2) + strength;
1924
1925
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 31407 for (int x = 0; x < dsize; x++) {
1926 23628 s->top_str[pos + x] = dval;
1927 23628 s->top_str[pos + (dsize - 1)*s->dblk_stride + x] = dval;
1928 }
1929
1930
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 31407 for (int y = 0; y < dsize; y++) {
1931 23628 s->left_str[pos + y*s->dblk_stride] = dval;
1932 23628 s->left_str[pos + y*s->dblk_stride + dsize - 1] = dval;
1933 }
1934 7779 }
1935
1936 13514 static int deblock_get_top_strength(const RV60Context * s, int pos)
1937 {
1938 13514 return s->top_str[pos] & 3;
1939 }
1940
1941 13716 static int deblock_get_left_strength(const RV60Context * s, int pos)
1942 {
1943 13716 return s->left_str[pos] & 3;
1944 }
1945
1946 1770 static void deblock_set_top_strength(RV60Context * s, int pos, int strength)
1947 {
1948 1770 s->top_str[pos] |= strength;
1949 1770 }
1950
1951 1216 static void deblock_set_left_strength(RV60Context * s, int pos, int strength)
1952 {
1953 1216 s->left_str[pos] |= strength;
1954 1216 }
1955
1956 4153 static void derive_deblock_strength(RV60Context * s, int xpos, int ypos, int size)
1957 {
1958 4153 int blk_pos = (ypos >> 2) * s->blk_stride + (xpos >> 2);
1959 4153 int dblk_pos = deblock_get_pos(s, xpos, ypos);
1960
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 4153 if (ypos > 0)
1961
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 17364 for (int i = 0; i < size; i++)
1962
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 13514 if (!deblock_get_top_strength(s, dblk_pos - s->dblk_stride + i) && mvinfo_is_deblock_cand(&s->blk_info[blk_pos + i].mv, &s->blk_info[blk_pos - s->blk_stride + i].mv))
1963 1770 deblock_set_top_strength(s, dblk_pos + i, 1);
1964
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 4153 if (xpos > 0)
1965
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 17621 for (int i = 0; i < size; i++)
1966
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 13716 if (!deblock_get_left_strength(s, dblk_pos + i *s->dblk_stride - 1) && mvinfo_is_deblock_cand(&s->blk_info[blk_pos + i*s->blk_stride].mv, &s->blk_info[blk_pos + i*s->blk_stride - 1].mv))
1967 1216 deblock_set_left_strength(s, dblk_pos + i *s->dblk_stride, 1);
1968 4153 }
1969
1970 #define STRENGTH(el, lim) (FFABS(el) < (lim) ? 3 : 1)
1971 #define CLIP_SYMM(a, b) av_clip(a, -(b), b)
1972
1973 23366 static void filter_luma_edge(uint8_t * dst, int step, int stride, int mode1, int mode2, int lim1, int lim2)
1974 {
1975 int16_t diff_q1q0[4];
1976 int16_t diff_p1p0[4];
1977 int str_p, str_q, msum, maxprod, weak;
1978
1979
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 116830 for (int i = 0; i < 4; i++) {
1980 93464 diff_q1q0[i] = dst[i * stride - 2*step] - dst[i*stride - step];
1981 93464 diff_p1p0[i] = dst[i * stride + step] - dst[i*stride];
1982 }
1983
1984
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 23366 str_p = STRENGTH(diff_q1q0[0] + diff_q1q0[1] + diff_q1q0[2] + diff_q1q0[3], lim2);
1985
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 23366 str_q = STRENGTH(diff_p1p0[0] + diff_p1p0[1] + diff_p1p0[2] + diff_p1p0[3], lim2);
1986
1987
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 23366 if (str_p + str_q <= 2)
1988 22045 return;
1989
1990 1321 msum = (mode1 + mode2 + str_q + str_p) >> 1;
1991
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 1321 if (str_q == 1 || str_p == 1) {
1992 102 maxprod = 384;
1993 102 weak = 1;
1994 } else {
1995 1219 maxprod = 256;
1996 1219 weak = 0;
1997 }
1998
1999
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 6605 for (int y = 0; y < 4; y++) {
2000 5284 int diff_p0q0 = dst[0] - dst[-step];
2001 5284 int result = (lim1 * FFABS(diff_p0q0)) & -128;
2002
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 5284 if (diff_p0q0 && result <= maxprod) {
2003 2011 int diff_q1q2 = dst[-2*step] - dst[-3*step];
2004 2011 int diff_p1p2 = dst[step] - dst[2*step];
2005 int delta;
2006
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 2011 if (weak) {
2007 126 delta = CLIP_SYMM((diff_p0q0 + 1) >> 1, msum >> 1);
2008 } else {
2009 1885 int diff_strg = (dst[-2*step] - dst[step] + 4 * diff_p0q0 + 4) >> 3;
2010 1885 delta = CLIP_SYMM(diff_strg, msum);
2011 }
2012 2011 dst[-step] = av_clip_uint8(dst[-step] + delta);
2013 2011 dst[0] = av_clip_uint8(dst[0] - delta);
2014
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 2011 if (str_p != 1 && FFABS(diff_q1q2) <= (lim2 >> 2)) {
2015 1253 int diff = (diff_q1q0[y] + diff_q1q2 - delta) >> 1;
2016
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 1253 int delta_q1 = weak ? CLIP_SYMM(diff, mode1 >> 1) : CLIP_SYMM(diff, mode1);
2017 1253 dst[-2 * step] = av_clip_uint8(dst[-2*step] - delta_q1);
2018 }
2019
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 2011 if (str_q != 1 && FFABS(diff_p1p2) <= (lim2 >> 2)) {
2020 1733 int diff = (diff_p1p0[y] + diff_p1p2 + delta) >> 1;
2021
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 1733 int delta_p1 = weak ? CLIP_SYMM(diff, mode2 >> 1) : CLIP_SYMM(diff, mode2);
2022 1733 dst[step] = av_clip_uint8(dst[step] - delta_p1);
2023 }
2024 }
2025 5284 dst += stride;
2026 }
2027 }
2028
2029 26792 static void filter_chroma_edge(uint8_t * dst, int step, int stride, int mode1, int mode2, int lim1, int lim2)
2030 {
2031 26792 int diff_q = 4 * FFABS(dst[-2*step] - dst[-step]);
2032 26792 int diff_p = 4 * FFABS(dst[ step] - dst[0]);
2033
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 26792 int str_q = STRENGTH(diff_q, lim2);
2034
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 26792 int str_p = STRENGTH(diff_p, lim2);
2035 int msum, maxprod, weak;
2036
2037
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 26792 if (str_p + str_q <= 2)
2038 26545 return;
2039
2040 247 msum = (mode1 + mode2 + str_q + str_p) >> 1;
2041
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 247 if (str_q == 1 || str_p == 1) {
2042 145 maxprod = 384;
2043 145 weak = 1;
2044 } else {
2045 102 maxprod = 256;
2046 102 weak = 0;
2047 }
2048
2049
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 741 for (int y = 0; y < 2; y++) {
2050 494 int diff_pq = dst[0] - dst[-step];
2051 494 int result = (lim1 * FFABS(diff_pq)) & -128;
2052
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 494 if (diff_pq && result <= maxprod) {
2053 int delta;
2054
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 195 if (weak) {
2055 111 delta = CLIP_SYMM((diff_pq + 1) >> 1, msum >> 1);
2056 } else {
2057 84 int diff_strg = (dst[-2*step] - dst[step] + 4 * diff_pq + 4) >> 3;
2058 84 delta = CLIP_SYMM(diff_strg, msum);
2059 }
2060 195 dst[-step] = av_clip_uint8(dst[-step] + delta);
2061 195 dst[ 0 ] = av_clip_uint8(dst[ 0 ] - delta);
2062 }
2063 494 dst += stride;
2064 }
2065 }
2066
2067 11120 static void deblock_edge_ver(AVFrame * frame, int xpos, int ypos, int dblk_l, int dblk_r, int deblock_chroma)
2068 {
2069 11120 int qp_l = dblk_l >> 2;
2070 11120 int str_l = dblk_l & 3;
2071 11120 int qp_r = dblk_r >> 2;
2072 11120 int str_r = dblk_r & 3;
2073 11120 const uint8_t * dl_l = rv60_deblock_limits[qp_l];
2074 11120 const uint8_t * dl_r = rv60_deblock_limits[qp_r];
2075
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 11120 int mode_l = str_l ? dl_l[str_l - 1] : 0;
2076
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 11120 int mode_r = str_r ? dl_r[str_r - 1] : 0;
2077 11120 int lim1 = dl_r[2];
2078 11120 int lim2 = dl_r[3] * 4;
2079
2080 11120 filter_luma_edge(frame->data[0] + ypos * frame->linesize[0] + xpos, 1, frame->linesize[0], mode_l, mode_r, lim1, lim2);
2081
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 11120 if ((str_l | str_r) >= 2 && deblock_chroma)
2082
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 19980 for (int plane = 1; plane < 3; plane++)
2083 13320 filter_chroma_edge(frame->data[plane] + (ypos >> 1) * frame->linesize[plane] + (xpos >> 1), 1, frame->linesize[plane], mode_l, mode_r, lim1, lim2);
2084 11120 }
2085
2086 12246 static void deblock_edge_hor(AVFrame * frame, int xpos, int ypos, int dblk_t, int dblk_d, int deblock_chroma)
2087 {
2088 12246 int qp_t = dblk_t >> 2;
2089 12246 int str_t = dblk_t & 3;
2090 12246 int qp_d = dblk_d >> 2;
2091 12246 int str_d = dblk_d & 3;
2092 12246 const uint8_t * dl_t = rv60_deblock_limits[qp_t];
2093 12246 const uint8_t * dl_d = rv60_deblock_limits[qp_d];
2094
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 12246 int mode_t = str_t ? dl_t[str_t - 1] : 0;
2095
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 12246 int mode_d = str_d ? dl_d[str_d - 1] : 0;
2096 12246 int lim1 = dl_d[2];
2097 12246 int lim2 = dl_d[3] * 4;
2098
2099 12246 filter_luma_edge(frame->data[0] + ypos * frame->linesize[0] + xpos, frame->linesize[0], 1, mode_t, mode_d, lim1, lim2);
2100
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 12246 if ((str_t | str_d) >= 2 && deblock_chroma)
2101
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 20208 for (int plane = 1; plane < 3; plane++)
2102 13472 filter_chroma_edge(frame->data[plane] + (ypos >> 1) * frame->linesize[plane] + (xpos >> 1), frame->linesize[plane], 1, mode_t, mode_d, lim1, lim2);
2103 12246 }
2104
2105 15849 static void deblock8x8(const RV60Context * s, AVFrame * frame, int xpos, int ypos, int dblkpos)
2106 {
2107
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 15849 if (xpos > 0) {
2108
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 15243 if (ypos > 0) {
2109 14676 int str_l = s->left_str[dblkpos - s->dblk_stride - 1];
2110 14676 int str_r = s->left_str[dblkpos - s->dblk_stride];
2111
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 14676 if ((str_l | str_r) & 3)
2112 5422 deblock_edge_ver(frame, xpos, ypos - 4, str_l, str_r, s->deblock_chroma);
2113 }
2114 {
2115 15243 int str_l = s->left_str[dblkpos - 1];
2116 15243 int str_r = s->left_str[dblkpos];
2117
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 15243 if ((str_l | str_r) & 3)
2118 5563 deblock_edge_ver(frame, xpos, ypos, str_l, str_r, s->deblock_chroma);
2119 }
2120
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 15243 if (ypos + 8 >= s->aheight) {
2121 312 int str_l = s->left_str[dblkpos + s->dblk_stride - 1];
2122 312 int str_r = s->left_str[dblkpos + s->dblk_stride];
2123
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 312 if ((str_l | str_r) & 3)
2124 135 deblock_edge_ver(frame, xpos, ypos + 4, str_l, str_r, s->deblock_chroma);
2125 }
2126 }
2127
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 15849 if (ypos > 0) {
2128
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✓ Branch 1 taken 567 times.
 15243 if (xpos > 0) {
2129 14676 int str_t = s->top_str[dblkpos - s->dblk_stride - 1];
2130 14676 int str_d = s->top_str[dblkpos - 1];
2131
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 14676 if ((str_t | str_d) & 3)
2132 5906 deblock_edge_hor(frame, xpos - 4, ypos, str_t, str_d, s->deblock_chroma);
2133 }
2134 {
2135 15243 int str_t = s->top_str[dblkpos - s->dblk_stride];
2136 15243 int str_d = s->top_str[dblkpos];
2137
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 15243 if ((str_t | str_d) & 3)
2138 6120 deblock_edge_hor(frame, xpos, ypos, str_t, str_d, s->deblock_chroma);
2139 }
2140
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 15243 if (xpos + 8 >= s->awidth) {
2141 345 int str_t = s->top_str[dblkpos - s->dblk_stride + 1];
2142 345 int str_d = s->top_str[dblkpos + 1];
2143
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 345 if ((str_t | str_d) & 3)
2144 220 deblock_edge_hor(frame, xpos + 4, ypos, str_t, str_d, s->deblock_chroma);
2145 }
2146 }
2147 15849 }
2148
2149 7779 static void deblock(const RV60Context * s, AVFrame * frame, int xpos, int ypos, int size, int dpos)
2150 {
2151
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 19593 for (int x = 0; x < size >> 3; x++)
2152 11814 deblock8x8(s, frame, xpos + x * 8, ypos, dpos + x * 2);
2153
2154
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 11814 for (int y = 1; y < size >> 3; y++)
2155 4035 deblock8x8(s, frame, xpos, ypos + y * 8, dpos + y * 2 * s->dblk_stride);
2156 7779 }
2157
2158 7524 static void deblock_cu_r(RV60Context * s, AVFrame * frame, ThreadContext * thread, int xpos, int ypos, int log_size, int qp)
2159 {
2160 int pu_pos, tsize, ntiles;
2161 enum CUType cu_type;
2162
2163
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 7524 if (xpos >= s->awidth || ypos >= s->aheight)
2164 630 return;
2165
2166
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 6894 if (thread->cu_split[thread->cu_split_pos++]) {
2167 1782 int hsize = 1 << (log_size - 1);
2168 1782 log_size--;
2169 1782 deblock_cu_r(s, frame, thread, xpos, ypos, log_size, qp);
2170 1782 deblock_cu_r(s, frame, thread, xpos + hsize, ypos, log_size, qp);
2171 1782 deblock_cu_r(s, frame, thread, xpos, ypos + hsize, log_size, qp);
2172 1782 deblock_cu_r(s, frame, thread, xpos + hsize, ypos + hsize, log_size, qp);
2173 1782 return;
2174 }
2175
2176 5112 pu_pos = (ypos >> 3) * s->pu_stride + (xpos >> 3);
2177 5112 cu_type = s->pu_info[pu_pos].cu_type;
2178
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 5112 switch (log_size) {
2179 3152 case 3: tsize = 3; break;
2180
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 1683 case 4: tsize = cu_type && s->pu_info[pu_pos].pu_type ? 3 : 4; break;
2181 277 case 5:
2182 277 case 6: tsize = 4; break;
2183 }
2184 5112 ntiles = 1 << (log_size - tsize);
2185
2186
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 10881 for (int ty = 0; ty < ntiles; ty++)
2187
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 13548 for (int tx = 0; tx < ntiles; tx++) {
2188 7779 int x = xpos + (tx << tsize);
2189 7779 int y = ypos + (ty << tsize);
2190 7779 int cu_pos = ((y & 63) >> 3) * 8 + ((x & 63) >> 3);
2191
2192
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 7779 if (cu_type == CU_INTRA)
2193 2293 deblock_set_strength(s, x, y, 1 << tsize, qp, 2);
2194
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 5486 else if (cu_type != CU_SKIP && thread->coded_blk[cu_pos])
2195 1333 deblock_set_strength(s, x, y, 1 << tsize, qp, 1);
2196 else {
2197 4153 deblock_set_strength(s, x, y, 1 << tsize, qp, 0);
2198 4153 derive_deblock_strength(s, x, y, 1 << (tsize - 2));
2199 }
2200
2201 7779 deblock(s, frame, x, y, 1 << tsize, deblock_get_pos(s, x, y));
2202 }
2203 }
2204
2205 396 static int read_qp_offset(GetBitContext *gb, int qp_off_type)
2206 {
2207 int val;
2208
2209
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 396 switch (qp_off_type) {
2210 396 case 0:
2211 396 return 0;
2212 ✗ case 1:
2213 ✗ val = read_code012(gb);
2214 ✗ return val != 2 ? val : -1;
2215 ✗ default:
2216 ✗ if (!get_bits1(gb))
2217 ✗ return 0;
2218 ✗ val = get_bits(gb, 2);
2219 ✗ if (!(val & 2))
2220 ✗ return val + 1;
2221 else
2222 ✗ return -((val & 1) + 1);
2223 }
2224 }
2225
2226 396 static int calc_sel_qp(int osvquant, int qp)
2227 {
2228
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 396 switch (osvquant) {
2229 140 case 0: return qp;
2230 ✗ case 1: return qp <= 25 ? qp + 5 : qp;
2231 256 default:
2232
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 256 if (qp <= 18)
2233 256 return qp + 10;
2234 ✗ else if (qp <= 25)
2235 ✗ return qp + 5;
2236 else
2237 ✗ return qp;
2238 }
2239 }
2240
2241 102 static int decode_slice(AVCodecContext *avctx, void *tdata, int cu_y, int threadnr)
2242 {
2243 102 RV60Context *s = avctx->priv_data;
2244 102 AVFrame * frame = tdata;
2245 ThreadContext thread;
2246 GetBitContext gb;
2247 int qp, sel_qp, ret;
2248
2249 102 thread.avg_data[0] = thread.avg_buffer;
2250 102 thread.avg_data[1] = thread.avg_buffer + 64*64;
2251 102 thread.avg_data[2] = thread.avg_buffer + 64*64 + 32*32;
2252 102 thread.avg_linesize[0] = 64;
2253 102 thread.avg_linesize[1] = 32;
2254 102 thread.avg_linesize[2] = 32;
2255
2256
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 102 if ((ret = init_get_bits8(&gb, s->slice[cu_y].data, s->slice[cu_y].data_size)) < 0)
2257 ✗ return ret;
2258
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 498 for (int cu_x = 0; cu_x < s->cu_width; cu_x++) {
2260
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 396 if ((s->avctx->active_thread_type & FF_THREAD_SLICE) && cu_y)
2261 ✗ ff_thread_progress_await(&s->progress[cu_y - 1], cu_x + 2);
2262
2263 396 qp = s->qp + read_qp_offset(&gb, s->qp_off_type);
2264
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 396 if (qp < 0) {
2265 ✗ ret = AVERROR_INVALIDDATA;
2266 ✗ break;
2267 }
2268 396 sel_qp = calc_sel_qp(s->osvquant, qp);
2269
2270 396 memset(thread.coded_blk, 0, sizeof(thread.coded_blk));
2271 396 thread.cu_split_pos = 0;
2272
2273
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 396 if ((ret = decode_cu_r(s, frame, &thread, &gb, cu_x << 6, cu_y << 6, 6, qp, sel_qp)) < 0)
2274 ✗ break;
2275
2276
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 396 if (s->deblock) {
2277 396 thread.cu_split_pos = 0;
2278 396 deblock_cu_r(s, frame, &thread, cu_x << 6, cu_y << 6, 6, qp);
2279 }
2280
2281
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 396 if (s->avctx->active_thread_type & FF_THREAD_SLICE)
2282 ✗ ff_thread_progress_report(&s->progress[cu_y], cu_x + 1);
2283 }
2284
2285
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 102 if (s->avctx->active_thread_type & FF_THREAD_SLICE)
2286 ✗ ff_thread_progress_report(&s->progress[cu_y], INT_MAX);
2287
2288 102 return ret;
2289 }
2290
2291 43 static int rv60_decode_frame(AVCodecContext *avctx, AVFrame * frame,
2292 int * got_frame, AVPacket * avpkt)
2293 {
2294 43 RV60Context *s = avctx->priv_data;
2295 GetBitContext gb;
2296 int ret, header_size, width, height, ofs;
2297
2298
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 43 if (avpkt->size == 0) {
2299
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 4 if (s->last_frame[NEXT_PIC]->data[0]) {
2300 2 av_frame_move_ref(frame, s->last_frame[NEXT_PIC]);
2301 2 *got_frame = 1;
2302 }
2303 4 return 0;
2304 }
2305
2306
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 39 if (avpkt->size < 9)
2307 ✗ return AVERROR_INVALIDDATA;
2308
2309 39 header_size = avpkt->data[0] * 8 + 9;
2310
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 39 if (avpkt->size < header_size)
2311 ✗ return AVERROR_INVALIDDATA;
2312
2313
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 39 if ((ret = init_get_bits8(&gb, avpkt->data + header_size, avpkt->size - header_size)) < 0)
2314 ✗ return ret;
2315
2316
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 39 if ((ret = read_frame_header(s, &gb, &width, &height)) < 0)
2317 ✗ return ret;
2318
2319
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 39 if (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B ||
2320
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 39 avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type != AV_PICTURE_TYPE_I ||
2321
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 39 avctx->skip_frame >= AVDISCARD_ALL)
2322 ✗ return avpkt->size;
2323
2324
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 39 if (s->pict_type != AV_PICTURE_TYPE_B)
2325 15 FFSWAP(AVFrame *, s->last_frame[NEXT_PIC], s->last_frame[LAST_PIC]);
2326
2327
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 39 if ((s->pict_type == AV_PICTURE_TYPE_P && !s->last_frame[LAST_PIC]->data[0]) ||
2328
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 39 (s->pict_type == AV_PICTURE_TYPE_B && (!s->last_frame[LAST_PIC]->data[0] || !s->last_frame[NEXT_PIC]->data[0]))) {
2329 ✗ av_log(s->avctx, AV_LOG_ERROR, "missing reference frame\n");
2330 ✗ return AVERROR_INVALIDDATA;
2331 }
2332
2333 39 s->last_frame[CUR_PIC]->pict_type = s->pict_type;
2334
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 39 if (s->pict_type == AV_PICTURE_TYPE_I)
2335 2 s->last_frame[CUR_PIC]->flags |= AV_FRAME_FLAG_KEY;
2336
2337
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 39 if ((ret = update_dimensions_clear_info(s, width, height)) < 0)
2338 ✗ return ret;
2339
2340
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 39 if (!s->last_frame[CUR_PIC]->data[0])
2341
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 39 if ((ret = ff_get_buffer(avctx, s->last_frame[CUR_PIC], 0)) < 0)
2342 ✗ return ret;
2343
2344
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 39 if ((ret = read_slice_sizes(s, &gb)) < 0)
2345 ✗ return ret;
2346
2347 39 ofs = get_bits_count(&gb) / 8;
2348
2349
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 141 for (int i = 0; i < s->cu_height; i++) {
2350
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 102 if (ofs >= avpkt->size - header_size)
2351 ✗ return AVERROR_INVALIDDATA;
2352 102 s->slice[i].data = avpkt->data + header_size + ofs;
2353 102 s->slice[i].data_size = FFMIN(s->slice[i].size, avpkt->size - header_size - ofs);
2354
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 102 if (s->slice[i].size > INT32_MAX - ofs)
2355 ✗ return AVERROR_INVALIDDATA;
2356 102 ofs += s->slice[i].size;
2357 }
2358
2359 39 ret = progress_init(s, s->cu_height);
2360
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 39 if (ret < 0)
2361 ✗ return ret;
2362
2363 39 s->avctx->execute2(s->avctx, decode_slice, s->last_frame[CUR_PIC], NULL, s->cu_height);
2364
2365 39 ret = 0;
2366
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 39 if (s->pict_type == AV_PICTURE_TYPE_B)
2367 24 av_frame_move_ref(frame, s->last_frame[CUR_PIC]);
2368
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 15 else if (s->last_frame[LAST_PIC]->data[0])
2369 13 ret = av_frame_ref(frame, s->last_frame[LAST_PIC]);
2370
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 39 if (ret < 0)
2371 ✗ return ret;
2372
2373
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 39 if (frame->data[0])
2374 37 *got_frame = 1;
2375
2376
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 39 if (s->pict_type != AV_PICTURE_TYPE_B) {
2377 15 av_frame_unref(s->last_frame[NEXT_PIC]);
2378 15 FFSWAP(AVFrame *, s->last_frame[CUR_PIC], s->last_frame[NEXT_PIC]);
2379 }
2380
2381
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 39 if (s->pict_type != AV_PICTURE_TYPE_B) {
2382 15 s->ref_pts[0] = s->ref_pts[1];
2383 15 s->ref_pts[1] = avpkt->pts;
2384
2385 15 s->ref_ts[0] = s->ref_ts[1];
2386 15 s->ref_ts[1] = s->ts;
2387
2388
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 15 if (s->ref_pts[1] > s->ref_pts[0] && s->ref_ts[1] > s->ref_ts[0])
2389 13 s->ts_scale = (s->ref_pts[1] - s->ref_pts[0]) / (s->ref_ts[1] - s->ref_ts[0]);
2390 } else {
2391 24 frame->pts = s->ref_pts[0] + (s->ts - s->ref_ts[0]) * s->ts_scale;
2392 }
2393
2394 39 return avpkt->size;
2395 }
2396
2397 ✗ static void rv60_flush(AVCodecContext *avctx)
2398 {
2399 ✗ RV60Context *s = avctx->priv_data;
2400
2401 ✗ for (int i = 0; i < 3; i++)
2402 ✗ av_frame_unref(s->last_frame[i]);
2403 ✗ }
2404
2405 4 static av_cold int rv60_decode_end(AVCodecContext * avctx)
2406 {
2407 4 RV60Context *s = avctx->priv_data;
2408
2409
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 16 for (int i = 0; i < 3; i++)
2410 12 av_frame_free(&s->last_frame[i]);
2411
2412 4 av_freep(&s->slice);
2413 4 av_freep(&s->pu_info);
2414 4 av_freep(&s->blk_info);
2415 4 av_freep(&s->top_str);
2416 4 av_freep(&s->left_str);
2417
2418
2/2
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 14 for (int i = 0; i < s->nb_progress; i++)
2419 10 ff_thread_progress_destroy(&s->progress[i]);
2420 4 av_freep(&s->progress);
2421
2422 4 return 0;
2423 }
2424
2425 const FFCodec ff_rv60_decoder = {
2426 .p.name = "rv60",
2427 CODEC_LONG_NAME("RealVideo 6.0"),
2428 .p.type = AVMEDIA_TYPE_VIDEO,
2429 .p.id = AV_CODEC_ID_RV60,
2430 .priv_data_size = sizeof(RV60Context),
2431 .init = rv60_decode_init,
2432 .close = rv60_decode_end,
2433 FF_CODEC_DECODE_CB(rv60_decode_frame),
2434 .flush = rv60_flush,
2435 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY | AV_CODEC_CAP_SLICE_THREADS,
2436 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
2437 };
2438