FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/rv60dec.c
Date: 2025-01-20 09:27:23
Exec Total Coverage
Lines: 1316 1457 90.3%
Functions: 87 89 97.8%
Branches: 879 1102 79.8%
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][3][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 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][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 39 int last_size, sum = 0;
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 = sum = get_bits_long(gb, nbits);
399
400
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 39 if (sum < 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 63 sum += s->slice[i].size;
413 }
414
415 39 align_get_bits(gb);
416 39 return 0;
417 }
418
419 4447 static int read_intra_mode(GetBitContext * gb, int * param)
420 {
421
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 4447 if (get_bits1(gb)) {
422 3922 *param = read_code012(gb);
423 3922 return INTRAMODE_INDEX;
424 } else {
425 525 *param = get_bits(gb, 5);
426 525 return INTRAMODE_MODE;
427 }
428 }
429
430 15476 static int has_top_block(const RV60Context * s, int xpos, int ypos, int dx, int dy, int size)
431 {
432
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 15476 return ypos + dy && xpos + dx + size <= s->awidth;
433 }
434
435 13316 static int has_left_block(const RV60Context * s, int xpos, int ypos, int dx, int dy, int size)
436 {
437
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 13316 return xpos + dx && ypos + dy + size <= s->aheight;
438 }
439
440 8848 static int has_top_right_block(const RV60Context * s, int xpos, int ypos, int dx, int dy, int size)
441 {
442
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 8848 if (has_top_block(s, xpos, ypos, dx, dy, size * 2)) {
443 8603 int cxpos = ((xpos + dx) & 63) >> ff_log2(size);
444 8603 int cypos = ((ypos + dy) & 63) >> ff_log2(size);
445 8603 return !(rv60_avail_mask[cxpos] & cypos);
446 }
447 245 return 0;
448 }
449
450 8869 static int has_left_down_block(const RV60Context * s, int xpos, int ypos, int dx, int dy, int size)
451 {
452
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 8869 if (has_left_block(s, xpos, ypos, dx, dy, size * 2)) {
453 8717 int cxpos = (~(xpos + dx) & 63) >> ff_log2(size);
454 8717 int cypos = (~(ypos + dy) & 63) >> ff_log2(size);
455 8717 return rv60_avail_mask[cxpos] & cypos;
456 }
457 152 return 0;
458 }
459
460 typedef struct {
461 uint8_t t[129];
462 uint8_t l[129];
463 int has_t;
464 int has_tr;
465 int has_l;
466 int has_ld;
467 } IntraPredContext;
468
469 typedef struct {
470 int xpos;
471 int ypos;
472 int pu_pos;
473 int blk_pos;
474
475 enum CUType cu_type;
476 enum PUType pu_type;
477 enum IntraMode imode[4];
478 int imode_param[4];
479 MVInfo mv[4];
480
481 IntraPredContext ipred;
482 } CUContext;
483
484 9033 static void ipred_init(IntraPredContext * i)
485 {
486 9033 memset(i->t, 0x80, sizeof(i->t));
487 9033 memset(i->l, 0x80, sizeof(i->l));
488 9033 i->has_t = i->has_tr = i->has_l = i->has_ld = 0;
489 9033 }
490
491 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)
492 {
493
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 9033 if (is_luma)
494 4447 src += (cu->ypos + yoff) * stride + cu->xpos + xoff;
495 else
496 4586 src += (cu->ypos >> 1) * stride + (cu->xpos >> 1);
497
498 9033 ipred_init(&cu->ipred);
499
500
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 9033 if (cu->ypos + yoff > 0) {
501 8848 cu->ipred.has_t = 1;
502
503 8848 memcpy(cu->ipred.t + 1, src - stride, size);
504
505
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 8848 if ((is_luma && has_top_right_block(s, cu->xpos, cu->ypos, xoff, yoff, size)) ||
506
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 4478 (!is_luma && has_top_right_block(s, cu->xpos, cu->ypos, 0, 0, size << 1))) {
507 5697 cu->ipred.has_tr = 1;
508 5697 memcpy(cu->ipred.t + size + 1, src - stride + size, size);
509 } else
510 3151 memset(cu->ipred.t + size + 1, cu->ipred.t[size], size);
511
512
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 8848 if (cu->xpos + xoff > 0)
513 8690 cu->ipred.t[0] = src[-stride - 1];
514 }
515
516
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 9033 if (cu->xpos + xoff > 0) {
517 8869 cu->ipred.has_l = 1;
518
519
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 63029 for (int y = 0; y < size; y++)
520 54160 cu->ipred.l[y + 1] = src[y*stride - 1];
521
522
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 8869 if ((is_luma && has_left_down_block(s, cu->xpos, cu->ypos, xoff, yoff, size)) ||
523
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 4484 (!is_luma && has_left_down_block(s, cu->xpos, cu->ypos, 0, 0, size << 1))) {
524 2759 cu->ipred.has_ld = 1;
525
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 19791 for (int y = size; y < size * 2; y++)
526 17032 cu->ipred.l[y + 1] = src[y*stride - 1];
527 } else
528 6110 memset(cu->ipred.l + size + 1, cu->ipred.l[size], size);
529
530
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 8869 if (cu->ypos + yoff > 0)
531 8690 cu->ipred.l[0] = src[-stride - 1];
532 }
533 9033 }
534
535 1492 static void pred_plane(const IntraPredContext * p, uint8_t * dst, int stride, int size)
536 {
537 1492 int lastl = p->l[size + 1];
538 1492 int lastt = p->t[size + 1];
539 int tmp1[64], tmp2[64];
540 int top_ref[64], left_ref[64];
541 int shift;
542
543
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 8148 for (int i = 0; i < size; i++) {
544 6656 tmp1[i] = lastl - p->t[i + 1];
545 6656 tmp2[i] = lastt - p->l[i + 1];
546 }
547
548 1492 shift = ff_log2(size) + 1;
549
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 8148 for (int i = 0; i < size; i++) {
550 6656 top_ref[i] = p->t[i + 1] << (shift - 1);
551 6656 left_ref[i] = p->l[i + 1] << (shift - 1);
552 }
553
554
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 8148 for (int y = 0; y < size; y++) {
555 6656 int add = tmp2[y];
556 6656 int sum = left_ref[y] + size;
557
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 41472 for (int x = 0; x < size; x++) {
558 34816 int v = tmp1[x] + top_ref[x];
559 34816 sum += add;
560 34816 top_ref[x] = v;
561 34816 dst[y*stride + x] = (sum + v) >> shift;
562 }
563 }
564 1492 }
565
566 5606 static void pred_dc(const IntraPredContext * p, uint8_t * dst, int stride, int size, int filter)
567 {
568 int dc;
569
570
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 5606 if (!p->has_t && !p->has_l)
571 ✗ dc = 0x80;
572 else {
573 5606 int sum = 0;
574
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 5606 if (p->has_t)
575
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 43045 for (int x = 0; x < size; x++)
576 37568 sum += p->t[x + 1];
577
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 5606 if (p->has_l)
578
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 42762 for (int y = 0; y < size; y++)
579 37304 sum += p->l[y + 1];
580
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 5606 if (p->has_t && p->has_l)
581 5329 dc = (sum + size) / (size * 2);
582 else
583 277 dc = (sum + size / 2) / size;
584 }
585
586
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 44122 for (int y = 0; y < size; y++)
587 38516 memset(dst + y*stride, dc, size);
588
589
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 5606 if (filter && p->has_t && p->has_l) {
590 2373 dst[0] = (p->t[1] + p->l[1] + 2 * dst[0] + 2) >> 2;
591
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 19284 for (int x = 1; x < size; x++)
592 16911 dst[x] = (p->t[x + 1] + 3 * dst[x] + 2) >> 2;
593
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 19284 for (int y = 1; y < size; y++)
594 16911 dst[y*stride] = (p->l[y + 1] + 3 * dst[y*stride] + 2) >> 2;
595 }
596 5606 }
597
598 1762 static void filter_weak(uint8_t * dst, const uint8_t * src, int size)
599 {
600 1762 dst[0] = src[0];
601
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 8292 for (int i = 1; i < size - 1; i++)
602 6530 dst[i] = (src[i - 1] + 2*src[i] + src[i + 1] + 2) >> 2;
603 1762 dst[size - 1] = src[size - 1];
604 1762 }
605
606 ✗ static void filter_bilin32(uint8_t * dst, int v0, int v1, int size)
607 {
608 ✗ int diff = v1 - v0;
609 ✗ int sum = (v0 << 5) + (1 << (5 - 1));
610 ✗ for (int i = 0; i < size; i++) {
611 ✗ dst[i] = sum >> 5;
612 ✗ sum += diff;
613 }
614 ✗ }
615
616 355 static void pred_hor_angle(uint8_t * dst, int stride, int size, int weight, const uint8_t * src)
617 {
618 355 int sum = 0;
619
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 1775 for (int x = 0; x < size; x++) {
620 int off, frac;
621 1420 sum += weight;
622 1420 off = (sum >> 5) + 32;
623 1420 frac = sum & 0x1F;
624
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 1420 if (!frac)
625 ✗ for (int y = 0; y < size; y++)
626 ✗ dst[y*stride + x] = src[off + y];
627 else {
628
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 7100 for (int y = 0; y < size; y++) {
629 5680 int a = src[off + y];
630 5680 int b = src[off + y + 1];
631 5680 dst[y*stride + x] = ((32 - frac) * a + frac * b + 16) >> 5;
632 }
633 }
634 }
635 355 }
636
637 351 static void pred_ver_angle(uint8_t * dst, int stride, int size, int weight, const uint8_t * src)
638 {
639 351 int sum = 0;
640
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 1867 for (int y = 0; y < size; y++) {
641 int off, frac;
642 1516 sum += weight;
643 1516 off = (sum >> 5) + 32;
644 1516 frac = sum & 0x1F;
645
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 1516 if (!frac)
646 208 memcpy(dst + y*stride, src + off, size);
647 else {
648
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 6540 for (int x = 0; x < size; x++) {
649 5232 int a = src[off + x];
650 5232 int b = src[off + x + 1];
651 5232 dst[y*stride + x] = ((32 - frac) * a + frac * b + 16) >> 5;
652 }
653 }
654 }
655 351 }
656
657 9033 static int pred_angle(const IntraPredContext * p, uint8_t * dst, int stride, int size, int imode, int filter)
658 {
659 uint8_t filtered1[96], filtered2[96];
660
661
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 9033 if (!imode) {
662 1492 pred_plane(p, dst, stride, size);
663
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 7541 } else if (imode == 1) {
664 5606 pred_dc(p, dst, stride, size, filter);
665
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 1935 } else if (imode <= 9) {
666 323 int ang_weight = rv60_ipred_angle[10 - imode];
667 323 int add_size = (size * ang_weight + 31) >> 5;
668
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 323 if (size <= 16) {
669 323 filter_weak(filtered1 + 32, &p->l[1], size + add_size);
670 } else {
671 ✗ filter_bilin32(filtered1 + 32, p->l[1], p->l[33], 32);
672 ✗ filter_bilin32(filtered1 + 64, p->l[32], p->l[64], add_size);
673 }
674 323 pred_hor_angle(dst, stride, size, ang_weight, filtered1);
675
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 1612 } else if (imode == 10) {
676
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 357 if (size <= 16)
677 357 filter_weak(filtered1 + 32, &p->l[1], size);
678 else
679 ✗ filter_bilin32(filtered1 + 32, p->l[1], p->l[33], 32);
680
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 2589 for (int y = 0; y < size; y++)
681
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 20568 for (int x = 0; x < size; x++)
682 18336 dst[y*stride + x] = filtered1[32 + y];
683
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 357 if (filter) {
684 165 int tl = p->t[0];
685
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 1381 for (int x = 0; x < size; x++)
686 1216 dst[x] = av_clip_uint8(dst[x] + ((p->t[x + 1] - tl) >> 1));
687 }
688
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 1255 } else if (imode <= 17) {
689 32 int ang_weight = rv60_ipred_angle[imode - 10];
690 32 int inv_angle = rv60_ipred_inv_angle[imode - 10];
691 32 int add_size = (size * ang_weight + 31) >> 5;
692
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 32 if (size <= 16) {
693 32 memcpy(filtered1 + 32 - 1, p->l, size + 1);
694 32 memcpy(filtered2 + 32 - 1, p->t, size + 1);
695 } else {
696 ✗ filtered1[32 - 1] = p->l[0];
697 ✗ filter_bilin32(filtered1 + 32, p->l[0], p->l[32], 32);
698 ✗ filtered2[32 - 1] = p->t[0];
699 ✗ filter_bilin32(filtered2 + 32, p->t[0], p->t[32], 32);
700 }
701
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 32 if (add_size > 1) {
702 10 int sum = 0x80;
703
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 28 for (int i = 1; i < add_size; i++) {
704 18 sum += inv_angle;
705 18 filtered1[32 - 1 - i] = filtered2[32 - 1 + (sum >> 8)];
706 }
707 }
708 32 pred_hor_angle(dst, stride, size, -ang_weight, filtered1);
709
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 1223 } else if (imode <= 25) {
710 141 int ang_weight = rv60_ipred_angle[26 - imode];
711 141 int inv_angle = rv60_ipred_inv_angle[26 - imode];
712 141 int add_size = (size * ang_weight + 31) >> 5;
713
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 141 if (size <= 16) {
714 141 memcpy(filtered1 + 32 - 1, p->t, size + 1);
715 141 memcpy(filtered2 + 32 - 1, p->l, size + 1);
716 } else {
717 ✗ filtered1[32 - 1] = p->t[0];
718 ✗ filter_bilin32(filtered1 + 32, p->t[0], p->t[32], 32);
719 ✗ filtered2[32 - 1] = p->l[0];
720 ✗ filter_bilin32(filtered2 + 32, p->l[0], p->l[32], 32);
721 }
722
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 141 if (add_size > 1) {
723 65 int sum = 0x80;
724
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 307 for (int i = 1; i < add_size; i++) {
725 242 sum += inv_angle;
726 242 filtered1[32 - 1 - i] = filtered2[32 - 1 + (sum >> 8)];
727 }
728 }
729 141 pred_ver_angle(dst, stride, size, -ang_weight, filtered1);
730
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 1082 } else if (imode == 26) {
731
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 872 if (size <= 16)
732 872 filter_weak(&filtered1[32], &p->t[1], size);
733 else
734 ✗ filter_bilin32(filtered1 + 32, p->t[1], p->t[33], 32);
735
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 5972 for (int i = 0; i < size; i++)
736 5100 memcpy(dst + i*stride, filtered1 + 32, size);
737
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 872 if (filter) {
738 396 int tl = p->l[0];
739
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 3240 for (int y = 0; y < size; y++)
740 2844 dst[y*stride] = av_clip_uint8(dst[y*stride] + ((p->l[y+1] - tl) >> 1));
741 }
742
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 210 } else if (imode <= 34) {
743 210 int ang_weight = rv60_ipred_angle[imode - 26];
744 210 int add_size = (size * ang_weight + 31) >> 5;
745
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 210 if (size <= 16)
746 210 filter_weak(&filtered1[32], &p->t[1], size + add_size);
747 else {
748 ✗ filter_bilin32(filtered1 + 32, p->t[1], p->t[33], 32);
749 ✗ filter_bilin32(filtered1 + 64, p->t[32], p->t[64], add_size);
750 }
751 210 pred_ver_angle(dst, stride, size, ang_weight, filtered1);
752 } else
753 ✗ return AVERROR_INVALIDDATA;
754 9033 return 0;
755 }
756
757 12986 static int pu_is_intra(const PUInfo * pu)
758 {
759 12986 return pu->cu_type == CU_INTRA;
760 }
761
762 1355 static int ipm_compar(const void * a, const void * b)
763 {
764 1355 return *(const enum IntraMode *)a - *(const enum IntraMode *)b;
765 }
766
767 #define MK_UNIQUELIST(name, type, max_size) \
768 typedef struct { \
769 type list[max_size]; \
770 int size; \
771 } unique_list_##name; \
772 \
773 static void unique_list_##name##_init(unique_list_##name * s) \
774 { \
775 memset(s->list, 0, sizeof(s->list)); \
776 s->size = 0; \
777 } \
778 \
779 static void unique_list_##name##_add(unique_list_##name * s, type cand) \
780 { \
781 if (s->size == max_size) \
782 return; \
783 \
784 for (int i = 0; i < s->size; i++) { \
785 if (!memcmp(&s->list[i], &cand, sizeof(type))) { \
786 return; \
787 } \
788 } \
789 s->list[s->size++] = cand; \
790 }
791
792
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 114034 MK_UNIQUELIST(intramode, enum IntraMode, 3)
793
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 28116 MK_UNIQUELIST(mvinfo, MVInfo, 4)
794
795 4447 static int reconstruct_intra(const RV60Context * s, const CUContext * cu, int size, int sub)
796 {
797 int blk_pos, tl_x, tl_y;
798 unique_list_intramode ipm_cand;
799
800
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 4447 if (cu->imode[0] == INTRAMODE_DC64)
801 ✗ return 1;
802
803
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 4447 if (cu->imode[0] == INTRAMODE_PLANE64)
804 ✗ return 0;
805
806 4447 unique_list_intramode_init(&ipm_cand);
807
808
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 4447 if (has_top_block(s, cu->xpos, cu->ypos, (sub & 1) * 4, 0, size)) {
809 4324 const PUInfo * pu = &s->pu_info[cu->pu_pos - s->pu_stride];
810
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 4324 if (pu_is_intra(pu))
811 3612 unique_list_intramode_add(&ipm_cand, s->blk_info[cu->blk_pos - s->blk_stride + (sub & 1)].imode);
812 }
813
814 4447 blk_pos = cu->blk_pos + (sub >> 1) * s->blk_stride + (sub & 1);
815
816
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 4447 if (has_left_block(s, cu->xpos, cu->ypos, 0, (sub & 2) * 2, size)) {
817 4363 const PUInfo * pu = &s->pu_info[cu->pu_pos - 1];
818
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 4363 if (pu_is_intra(pu))
819 3678 unique_list_intramode_add(&ipm_cand, s->blk_info[blk_pos - 1 - (sub & 1)].imode);
820 }
821
822
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 4447 tl_x = !(sub & 2) ? (cu->xpos + (sub & 1) * 4) : cu->xpos;
823 4447 tl_y = cu->ypos + (sub & 2) * 4;
824
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 4447 if (tl_x > 0 && tl_y > 0) {
825 const PUInfo * pu;
826
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 4299 switch (sub) {
827 2190 case 0: pu = &s->pu_info[cu->pu_pos - s->pu_stride - 1]; break;
828 695 case 1: pu = &s->pu_info[cu->pu_pos - s->pu_stride]; break;
829 1414 default: pu = &s->pu_info[cu->pu_pos - 1];
830 }
831
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 4299 if (pu_is_intra(pu)) {
832
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 3616 if (sub != 3)
833 3046 unique_list_intramode_add(&ipm_cand, s->blk_info[blk_pos - s->blk_stride - 1].imode);
834 else
835 570 unique_list_intramode_add(&ipm_cand, s->blk_info[blk_pos - s->blk_stride - 2].imode);
836 }
837 }
838
839
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 31129 for (int i = 0; i < FF_ARRAY_ELEMS(rv60_candidate_intra_angles); i++)
840 26682 unique_list_intramode_add(&ipm_cand, rv60_candidate_intra_angles[i]);
841
842
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 4447 if (cu->imode[sub] == INTRAMODE_INDEX)
843 3922 return ipm_cand.list[cu->imode_param[sub]];
844
845
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 525 if (cu->imode[sub] == INTRAMODE_MODE) {
846 525 enum IntraMode imode = cu->imode_param[sub];
847 525 qsort(ipm_cand.list, 3, sizeof(ipm_cand.list[0]), ipm_compar);
848
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 2100 for (int i = 0; i < 3; i++)
849
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 1575 if (imode >= ipm_cand.list[i])
850 1175 imode++;
851 525 return imode;
852 }
853
854 ✗ av_assert0(0); // should never reach here
855 return 0;
856 }
857
858 1812 static int get_skip_mv_index(enum MVRefEnum mvref)
859 {
860
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 1812 switch (mvref) {
861 287 case MVREF_SKIP1: return 1;
862 61 case MVREF_SKIP2: return 2;
863 15 case MVREF_SKIP3: return 3;
864 1449 default: return 0;
865 }
866 }
867
868 10767 static void add_if_valid(unique_list_mvinfo * skip_cand, const MVInfo * mvi)
869 {
870
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 10767 if (mvi->mvref != MVREF_NONE)
871 8846 unique_list_mvinfo_add(skip_cand, *mvi);
872 10767 }
873
874 1812 static void fill_mv_skip_cand(RV60Context * s, const CUContext * cu, unique_list_mvinfo * skip_cand, int size)
875 {
876 1812 int mv_size = size >> 2;
877
878
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 1812 if (cu->xpos)
879 1649 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos - 1].mv);
880
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 1812 if (cu->ypos)
881 1562 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos - s->blk_stride].mv);
882
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 1812 if (cu->ypos && cu->xpos + size < s->awidth)
883 1418 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos - s->blk_stride + mv_size].mv);
884
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 1812 if (cu->xpos && cu->ypos + size < s->aheight)
885 1503 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos + s->blk_stride * mv_size - 1].mv);
886
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 1812 if (cu->xpos)
887 1649 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos + s->blk_stride * (mv_size - 1) - 1].mv);
888
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 1812 if (cu->ypos)
889 1562 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos - s->blk_stride + mv_size - 1].mv);
890
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 1812 if (cu->xpos && cu->ypos)
891 1424 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos - s->blk_stride - 1].mv);
892
893
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 5694 for (int i = skip_cand->size; i < 4; i++)
894 3882 skip_cand->list[i] = (MVInfo){.mvref=MVREF_REF0,.f_mv={0,0},.b_mv={0,0}};
895 1812 }
896
897 typedef struct {
898 int w, h;
899 } Dimensions;
900
901 5808 static void get_mv_dimensions(Dimensions * dim, enum PUType pu_type, int part_no, int size)
902 {
903 5808 int mv_size = size >> 2;
904
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 5808 switch (pu_type) {
905 2920 case PU_FULL:
906 2920 dim->w = dim->h = mv_size;
907 2920 break;
908 380 case PU_N2HOR:
909 380 dim->w = mv_size;
910 380 dim->h = mv_size >> 1;
911 380 break;
912 356 case PU_N2VER:
913 356 dim->w = mv_size >> 1;
914 356 dim->h = mv_size;
915 356 break;
916 2152 case PU_QUARTERS:
917 2152 dim->w = dim->h = mv_size >> 1;
918 2152 break;
919 ✗ case PU_N4HOR:
920 ✗ dim->w = mv_size;
921 ✗ dim->h = !part_no ? (mv_size >> 2) : ((3 * mv_size) >> 2);
922 ✗ break;
923 ✗ case PU_N34HOR:
924 ✗ dim->w = mv_size;
925 ✗ dim->h = !part_no ? ((3 * mv_size) >> 2) : (mv_size >> 2);
926 ✗ break;
927 ✗ case PU_N4VER:
928 ✗ dim->w = !part_no ? (mv_size >> 2) : ((3 * mv_size) >> 2);
929 ✗ dim->h = mv_size;
930 ✗ break;
931 ✗ case PU_N34VER:
932 ✗ dim->w = !part_no ? ((3 * mv_size) >> 2) : (mv_size >> 2);
933 ✗ dim->h = mv_size;
934 ✗ break;
935 }
936 5808 }
937
938 3656 static int has_hor_split(enum PUType pu_type)
939 {
940
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 3656 return pu_type == PU_N2HOR || pu_type == PU_N4HOR || pu_type == PU_N34HOR || pu_type == PU_QUARTERS;
941 }
942
943 3276 static int has_ver_split(enum PUType pu_type)
944 {
945
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 3276 return pu_type == PU_N2VER || pu_type == PU_N4VER || pu_type == PU_N34VER || pu_type == PU_QUARTERS;
946 }
947
948 4833 static int pu_type_num_parts(enum PUType pu_type)
949 {
950
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 4833 switch (pu_type) {
951 3474 case PU_FULL: return 1;
952 807 case PU_QUARTERS: return 4;
953 552 default: return 2;
954 }
955 }
956
957 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)
958 {
959
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 5808 if (pu_type == PU_QUARTERS) {
960
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 2152 if (part_no != 1) {
961 1614 *mv_pos += dim->w;
962 1614 *mv_x += dim->w;
963 } else {
964 538 *mv_pos += dim->h*s->blk_stride - dim->w;
965 538 *mv_x -= dim->w;
966 538 *mv_y += dim->h;
967 }
968
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 3656 } else if (has_hor_split(pu_type)) {
969 380 *mv_pos += dim->h * s->blk_stride;
970 380 *mv_y += dim->h;
971
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 3276 } else if (has_ver_split(pu_type)) {
972 356 *mv_pos += dim->w;
973 356 *mv_x += dim->w;
974 }
975 5808 }
976
977 2915 static int mv_is_ref0(enum MVRefEnum mvref)
978 {
979
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 2915 return mvref == MVREF_REF0 || mvref == MVREF_REF0ANDBREF;
980 }
981
982 24675 static int mv_is_forward(enum MVRefEnum mvref)
983 {
984
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 24675 return mvref == MVREF_REF0 || mvref == MVREF_REF1 || mvref == MVREF_REF0ANDBREF;
985 }
986
987 27282 static int mv_is_backward(enum MVRefEnum mvref)
988 {
989
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 27282 return mvref == MVREF_BREF || mvref == MVREF_REF0ANDBREF;
990 }
991
992 4408 static int mvinfo_matches_forward(const MVInfo * a, const MVInfo * b)
993 {
994
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 4408 return a->mvref == b->mvref || (mv_is_ref0(a->mvref) && mv_is_ref0(b->mvref));
995 }
996
997 1819 static int mvinfo_matches_backward(const MVInfo * a, const MVInfo * b)
998 {
999
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 1819 return mv_is_backward(a->mvref) && mv_is_backward(b->mvref);
1000 }
1001
1002 24452 static int mvinfo_is_deblock_cand(const MVInfo * a, const MVInfo * b)
1003 {
1004 int diff;
1005
1006
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 24452 if (a->mvref != b->mvref)
1007 1775 return 1;
1008
1009 22677 diff = 0;
1010
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 22677 if (mv_is_forward(a->mvref)) {
1011 19370 int dx = a->f_mv.x - b->f_mv.x;
1012 19370 int dy = a->f_mv.y - b->f_mv.y;
1013 19370 diff += FFABS(dx) + FFABS(dy);
1014 }
1015
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 22677 if (mv_is_backward(a->mvref)) {
1016 4331 int dx = a->b_mv.x - b->b_mv.x;
1017 4331 int dy = a->b_mv.y - b->b_mv.y;
1018 4331 diff += FFABS(dx) + FFABS(dy);
1019 }
1020 22677 return diff > 4;
1021 }
1022
1023 367 static void mv_pred(MV * ret, MV a, MV b, MV c)
1024 {
1025 #define MEDIAN(x) \
1026 if (a.x < b.x) \
1027 if (b.x < c.x) \
1028 ret->x = b.x; \
1029 else \
1030 ret->x = a.x < c.x ? c.x : a.x; \
1031 else \
1032 if (b.x < c.x) \
1033 ret->x = a.x < c.x ? a.x : c.x; \
1034 else \
1035 ret->x = b.x; \
1036
1037
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 367 MEDIAN(x)
1038
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 367 MEDIAN(y)
1039 367 }
1040
1041 1998 static void predict_mv(const RV60Context * s, MVInfo * dst, int mv_x, int mv_y, int mv_w, const MVInfo * src)
1042 {
1043 1998 int mv_pos = mv_y * s->blk_stride + mv_x;
1044 MV f_mv, b_mv;
1045
1046 1998 dst->mvref = src->mvref;
1047
1048
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 1998 if (mv_is_forward(src->mvref)) {
1049 1537 MV cand[3] = {0};
1050 1537 int cand_size = 0;
1051
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 1537 if (mv_x > 0) {
1052 1426 const MVInfo * mv = &s->blk_info[mv_pos - 1].mv;
1053
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 1426 if (mvinfo_matches_forward(mv, src))
1054 906 cand[cand_size++] = mv->f_mv;
1055 }
1056
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 1537 if (mv_y > 0) {
1057 1515 const MVInfo * mv = &s->blk_info[mv_pos - s->blk_stride].mv;
1058
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 1515 if (mvinfo_matches_forward(mv, src))
1059 936 cand[cand_size++] = mv->f_mv;
1060 }
1061
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 1537 if (has_top_block(s, mv_x << 2, mv_y << 2, mv_w << 2, 0, 4)) {
1062 1467 const MVInfo * mv = &s->blk_info[mv_pos - s->blk_stride + mv_w].mv;
1063
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 1467 if (mvinfo_matches_forward(mv, src))
1064 561 cand[cand_size++] = mv->f_mv;
1065 }
1066
1067
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 1537 switch (cand_size) {
1068 481 case 1:
1069 481 f_mv.x = cand[0].x;
1070 481 f_mv.y = cand[0].y;
1071 481 break;
1072 523 case 2:
1073 523 f_mv.x = (cand[0].x + cand[1].x) >> 1;
1074 523 f_mv.y = (cand[0].y + cand[1].y) >> 1;
1075 523 break;
1076 292 case 3:
1077 292 mv_pred(&f_mv, cand[0], cand[1], cand[2]);
1078 292 break;
1079 241 default:
1080 241 f_mv = (MV){0,0};
1081 241 break;
1082 }
1083 } else {
1084 461 f_mv = (MV){0,0};
1085 }
1086
1087 1998 dst->f_mv.x = src->f_mv.x + f_mv.x;
1088 1998 dst->f_mv.y = src->f_mv.y + f_mv.y;
1089
1090
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 1998 if (mv_is_backward(src->mvref)) {
1091 644 MV cand[3] = {0};
1092 644 int cand_size = 0;
1093
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 644 if (mv_x > 0) {
1094 587 const MVInfo * mv = &s->blk_info[mv_pos - 1].mv;
1095
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 587 if (mvinfo_matches_backward(mv, src))
1096 296 cand[cand_size++] = mv->b_mv;
1097 }
1098
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 644 if (mv_y > 0) {
1099 628 const MVInfo * mv = &s->blk_info[mv_pos - s->blk_stride].mv;
1100
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 628 if (mvinfo_matches_backward(mv, src))
1101 297 cand[cand_size++] = mv->b_mv;
1102 }
1103
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 644 if (has_top_block(s, mv_x << 2, mv_y << 2, mv_w << 2, 0, 4)) {
1104 604 const MVInfo * mv = &s->blk_info[mv_pos - s->blk_stride + mv_w].mv;
1105
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 604 if (mvinfo_matches_backward(mv, src))
1106 195 cand[cand_size++] = mv->b_mv;
1107 }
1108
1109
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 644 switch (cand_size) {
1110 219 case 1:
1111 219 b_mv.x = cand[0].x;
1112 219 b_mv.y = cand[0].y;
1113 219 break;
1114 172 case 2:
1115 172 b_mv.x = (cand[0].x + cand[1].x) >> 1;
1116 172 b_mv.y = (cand[0].y + cand[1].y) >> 1;
1117 172 break;
1118 75 case 3:
1119 75 mv_pred(&b_mv, cand[0], cand[1], cand[2]);
1120 75 break;
1121 178 default:
1122 178 b_mv = (MV){0,0};
1123 178 break;
1124 }
1125 } else {
1126 1354 b_mv = (MV){0,0};
1127 }
1128
1129 1998 dst->b_mv.x = src->b_mv.x + b_mv.x;
1130 1998 dst->b_mv.y = src->b_mv.y + b_mv.y;
1131 1998 }
1132
1133 5112 static void reconstruct(RV60Context * s, const CUContext * cu, int size)
1134 {
1135 5112 int pu_size = size >> 3;
1136 PUInfo pui;
1137 int imode, mv_x, mv_y, mv_pos, count, mv_size;
1138 unique_list_mvinfo skip_cand;
1139 Dimensions dim;
1140 MVInfo mv;
1141
1142 5112 pui.cu_type = cu->cu_type;
1143 5112 pui.pu_type = cu->pu_type;
1144
1145
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 5112 if (cu->cu_type == CU_INTRA && cu->pu_type == PU_QUARTERS) {
1146 718 s->pu_info[cu->pu_pos] = pui;
1147
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 2154 for (int y = 0; y < 2; y++)
1148
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 4308 for (int x = 0; x < 2; x++)
1149 2872 s->blk_info[cu->blk_pos + y*s->blk_stride + x].imode =
1150 2872 reconstruct_intra(s, cu, 4, y*2 + x);
1151 718 return;
1152 }
1153
1154
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 4394 switch (cu->cu_type) {
1155 1575 case CU_INTRA:
1156 1575 imode = reconstruct_intra(s, cu, size, 0);
1157
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 6351 for (int y = 0; y < size >> 2; y++)
1158
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 20832 for (int x = 0; x < size >> 2; x++)
1159 16056 s->blk_info[cu->blk_pos + y*s->blk_stride + x].imode = imode;
1160 1575 break;
1161 1007 case CU_INTER_MV:
1162 1007 mv_x = cu->xpos >> 2;
1163 1007 mv_y = cu->ypos >> 2;
1164 1007 mv_pos = cu->blk_pos;
1165 1007 count = pu_type_num_parts(cu->pu_type);
1166
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 3005 for (int part_no = 0; part_no < count; part_no++) {
1167 MVInfo mv;
1168 1998 get_mv_dimensions(&dim, cu->pu_type, part_no, size);
1169 1998 predict_mv(s, &mv, mv_x, mv_y, dim.w, &cu->mv[part_no]);
1170
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 5454 for (int y = 0; y < dim.h; y++)
1171
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 10364 for (int x = 0; x < dim.w; x++)
1172 6908 s->blk_info[mv_pos + y*s->blk_stride + x].mv = mv;
1173 1998 get_next_mv(s, &dim, cu->pu_type, part_no, &mv_pos, &mv_x, &mv_y);
1174 }
1175 1007 break;
1176 1812 default:
1177 1812 unique_list_mvinfo_init(&skip_cand);
1178 1812 fill_mv_skip_cand(s, cu, &skip_cand, size);
1179 1812 mv = skip_cand.list[get_skip_mv_index(cu->mv[0].mvref)];
1180 1812 mv_size = size >> 2;
1181
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 9318 for (int y = 0; y < mv_size; y++)
1182
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 61206 for (int x = 0; x < mv_size; x++)
1183 53700 s->blk_info[cu->blk_pos + y*s->blk_stride + x].mv = mv;
1184 }
1185
1186
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 11766 for (int y = 0; y < pu_size; y++)
1187
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 26538 for (int x = 0; x < pu_size; x++)
1188 19166 s->pu_info[cu->pu_pos + y*s->pu_stride + x] = pui;
1189 }
1190
1191 2181 static void read_mv(GetBitContext * gb, MV * mv)
1192 {
1193 2181 mv->x = get_interleaved_se_golomb(gb);
1194 2181 mv->y = get_interleaved_se_golomb(gb);
1195 2181 }
1196
1197 1998 static void read_mv_info(RV60Context *s, GetBitContext * gb, MVInfo * mvinfo, int size, enum PUType pu_type)
1198 {
1199
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 1998 if (s->pict_type != AV_PICTURE_TYPE_B) {
1200
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 866 if (s->two_f_refs && get_bits1(gb))
1201 192 mvinfo->mvref = MVREF_REF1;
1202 else
1203 674 mvinfo->mvref = MVREF_REF0;
1204 866 read_mv(gb, &mvinfo->f_mv);
1205 866 mvinfo->b_mv.x = mvinfo->b_mv.y = 0;
1206 } else {
1207
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 1132 if ((size <= 8 && (size != 8 || pu_type != PU_FULL)) || get_bits1(gb)) {
1208
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 1898 if (!get_bits1(gb)) {
1209 488 mvinfo->mvref = MVREF_REF0;
1210 488 read_mv(gb, &mvinfo->f_mv);
1211 488 mvinfo->b_mv.x = mvinfo->b_mv.y = 0;
1212 } else {
1213 461 mvinfo->mvref = MVREF_BREF;
1214 461 mvinfo->f_mv.x = mvinfo->f_mv.y = 0;
1215 461 read_mv(gb, &mvinfo->b_mv);
1216 }
1217 } else {
1218 183 mvinfo->mvref = MVREF_REF0ANDBREF;
1219 183 read_mv(gb, &mvinfo->f_mv);
1220 183 read_mv(gb, &mvinfo->b_mv);
1221 }
1222 }
1223 1998 }
1224
1225 #define FILTER1(src, src_stride, src_y_ofs, step) \
1226 ( (src)[(y + src_y_ofs)*(src_stride) + x - 2*step] \
1227 - 5 * (src)[(y + src_y_ofs)*(src_stride) + x - 1*step] \
1228 +52 * (src)[(y + src_y_ofs)*(src_stride) + x ] \
1229 +20 * (src)[(y + src_y_ofs)*(src_stride) + x + 1*step] \
1230 - 5 * (src)[(y + src_y_ofs)*(src_stride) + x + 2*step] \
1231 + (src)[(y + src_y_ofs)*(src_stride) + x + 3*step] + 32) >> 6
1232
1233 #define FILTER2(src, src_stride, src_y_ofs, step) \
1234 ( (src)[(y + src_y_ofs)*(src_stride) + x - 2*step] \
1235 - 5 * (src)[(y + src_y_ofs)*(src_stride) + x - 1*step] \
1236 +20 * (src)[(y + src_y_ofs)*(src_stride) + x ] \
1237 +20 * (src)[(y + src_y_ofs)*(src_stride) + x + 1*step] \
1238 - 5 * (src)[(y + src_y_ofs)*(src_stride) + x + 2*step] \
1239 + (src)[(y + src_y_ofs)*(src_stride) + x + 3*step] + 16) >> 5
1240
1241 #define FILTER3(src, src_stride, src_y_ofs, step) \
1242 ( (src)[(y + src_y_ofs)*(src_stride) + x - 2*step] \
1243 - 5 * (src)[(y + src_y_ofs)*(src_stride) + x - 1*step] \
1244 +20 * (src)[(y + src_y_ofs)*(src_stride) + x ] \
1245 +52 * (src)[(y + src_y_ofs)*(src_stride) + x + 1*step] \
1246 - 5 * (src)[(y + src_y_ofs)*(src_stride) + x + 2*step] \
1247 + (src)[(y + src_y_ofs)*(src_stride) + x + 3*step] + 32) >> 6
1248
1249 #define FILTER_CASE(idx, dst, dst_stride, filter, w, h) \
1250 case idx: \
1251 for (int y = 0; y < h; y++) \
1252 for (int x = 0; x < w; x++) \
1253 (dst)[y*dst_stride + x] = av_clip_uint8(filter); \
1254 break;
1255
1256 #define FILTER_BLOCK(dst, dst_stride, src, src_stride, src_y_ofs, w, h, cond, step) \
1257 switch (cond) { \
1258 FILTER_CASE(1, dst, dst_stride, FILTER1(src, src_stride, src_y_ofs, step), w, h) \
1259 FILTER_CASE(2, dst, dst_stride, FILTER2(src, src_stride, src_y_ofs, step), w, h) \
1260 FILTER_CASE(3, dst, dst_stride, FILTER3(src, src_stride, src_y_ofs, step), w, h) \
1261 }
1262
1263 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)
1264 {
1265
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 4117 if (!cx && !cy) {
1266
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 51461 for (int y = 0; y < h; y++)
1267 47344 memcpy(dst + y*dst_stride, src + y*src_stride, w);
1268 ✗ } else if (!cy) {
1269 ✗ FILTER_BLOCK(dst, dst_stride, src, src_stride, 0, w, h, cx, 1)
1270 ✗ } else if (!cx) {
1271 ✗ FILTER_BLOCK(dst, dst_stride, src, src_stride, 0, w, h, cy, src_stride)
1272 ✗ } else if (cx != 3 || cy != 3) {
1273 uint8_t tmp[70 * 64];
1274 ✗ FILTER_BLOCK(tmp, 64, src - src_stride * 2, src_stride, 0, w, h + 5, cx, 1)
1275 ✗ FILTER_BLOCK(dst, dst_stride, tmp + 2*64, 64, 0, w, h, cy, 64)
1276 } else {
1277 ✗ for (int j = 0; j < h; j++)
1278 ✗ for (int i = 0; i < w; i++)
1279 ✗ dst[j*dst_stride + i] = (
1280 ✗ src[j*src_stride + i] +
1281 ✗ src[j*src_stride + i + 1] +
1282 ✗ src[(j + 1)*src_stride + i] +
1283 ✗ src[(j + 1)*src_stride + i + 1] + 2) >> 2;
1284 }
1285 4117 }
1286
1287 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)
1288 {
1289
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 8234 if (!x && !y) {
1290
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 51648 for (int j = 0; j < h; j++)
1291 44208 memcpy(dst + j*dst_stride, src + j*src_stride, w);
1292
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 876 } else if (x > 0 && y > 0) {
1293 int a, b, c, d;
1294
1295
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 82 if (x == 3 && y == 3)
1296 ✗ y = 2; //reproduce bug in rv60 decoder. tested with realplayer version 18.1.7.344 and 22.0.0.321
1297
1298 82 a = (4 - x) * (4 - y);
1299 82 b = x * (4 - y);
1300 82 c = (4 - x) * y;
1301 82 d = x * y;
1302
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 382 for (int j = 0; j < h; j++)
1303
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 1404 for (int i = 0; i < w; i++)
1304 1104 dst[j*dst_stride + i] =
1305 1104 (a * src[j*src_stride + i] +
1306 1104 b * src[j*src_stride + i + 1] +
1307 1104 c * src[(j + 1)*src_stride + i] +
1308 1104 d * src[(j + 1)*src_stride + i + 1] + 8) >> 4;
1309 } else {
1310 712 int a = (4 - x) * (4 - y);
1311 712 int e = x * (4 - y) + (4 - x) * y;
1312
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 712 int step = y > 0 ? src_stride : 1;
1313
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 3548 for (int j = 0; j < h; j++)
1314
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 17348 for (int i = 0; i < w; i++)
1315 14512 dst[j*dst_stride + i] =
1316 14512 (a * src[j*src_stride + i] +
1317 14512 e * src[j*src_stride + i + step] + 8) >> 4;
1318 }
1319 8234 }
1320
1321 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)
1322 {
1323 12351 int x2 = x + dx;
1324 12351 int y2 = y + dy;
1325
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 12351 return x2 - e0 >= 0 && x2 + cw + e1 <= w && y2 - e2 >= 0 && y2 + ch + e3 <= h;
1326 }
1327
1328 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)
1329 {
1330 {
1331
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 4117 int off = !avg ? y * frame_linesize[0] + x : 0;
1332 4117 int fw = s->awidth;
1333 4117 int fh = s->aheight;
1334 4117 int dx = mv.x >> 2;
1335 4117 int cx = mv.x & 3;
1336 4117 int dy = mv.y >> 2;
1337 4117 int cy = mv.y & 3;
1338
1339
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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])) {
1340 4041 luma_mc(
1341 4041 frame_data[0] + off,
1342 frame_linesize[0],
1343 4041 ref->data[0] + (y + dy) * ref->linesize[0] + x + dx,
1344 4041 ref->linesize[0],
1345 w, h, cx, cy);
1346 } else {
1347 uint8_t buf[70*70];
1348 76 int xoff = x + dx - 2;
1349 76 int yoff = y + dy - 2;
1350 76 s->vdsp.emulated_edge_mc(buf,
1351 76 ref->data[0] + yoff * ref->linesize[0] + xoff,
1352 76 70, ref->linesize[0],
1353 w + 5, h + 5,
1354 xoff, yoff,
1355 fw, fh);
1356
1357 76 luma_mc(frame_data[0] + off, frame_linesize[0],
1358 buf + 70 * 2 + 2, 70, w, h, cx, cy);
1359 }
1360 }
1361 {
1362 4117 int fw = s->awidth >> 1;
1363 4117 int fh = s->aheight >> 1;
1364 4117 int mvx = mv.x / 2;
1365 4117 int mvy = mv.y / 2;
1366 4117 int dx = mvx >> 2;
1367 4117 int cx = mvx & 3;
1368 4117 int dy = mvy >> 2;
1369 4117 int cy = mvy & 3;
1370 4117 int cw = w >> 1;
1371 4117 int ch = h >> 1;
1372
1373
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 12351 for (int plane = 1; plane < 3; plane++) {
1374
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 8234 int off = !avg ? (y >> 1) * frame_linesize[plane] + (x >> 1) : 0;
1375
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 8234 if (check_pos(x >> 1, y >> 1, cw, ch, fw, fh, dx, dy, 0, 1, 0, 1)) {
1376 7310 chroma_mc(
1377 7310 frame_data[plane] + off,
1378 7310 frame_linesize[plane],
1379 7310 ref->data[plane] + ((y >> 1) + dy) * ref->linesize[plane] + (x >> 1) + dx,
1380 7310 ref->linesize[plane],
1381 cw, ch, cx, cy);
1382 } else {
1383 uint8_t buf[40*40];
1384 924 s->vdsp.emulated_edge_mc(buf,
1385 924 ref->data[plane] + ((y >> 1) + dy) * ref->linesize[plane] + (x >> 1) + dx,
1386 924 40, ref->linesize[plane],
1387 cw + 1, ch + 1,
1388 924 (x >> 1) + dx, (y >> 1) + dy,
1389 fw, fh);
1390 924 chroma_mc(frame_data[plane] + off, frame_linesize[plane], buf, 40, cw, ch, cx, cy);
1391 }
1392 }
1393 }
1394 4117 }
1395
1396 921 static void avg_plane(uint8_t * dst, int dst_stride, const uint8_t * src, int src_stride, int w, int h)
1397 {
1398
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 7913 for (int j = 0; j < h; j++)
1399
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 101936 for (int i = 0; i < w; i++)
1400 94944 dst[j*dst_stride + i] = (dst[j*dst_stride + i] + src[j*src_stride + i]) >> 1;
1401 921 }
1402
1403 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)
1404 {
1405
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 1228 for (int plane = 0; plane < 3; plane++) {
1406 921 int shift = !plane ? 0 : 1;
1407 921 avg_plane(frame->data[plane] + (y >> shift) * frame->linesize[plane] + (x >> shift), frame->linesize[plane],
1408 921 prev_frame_data[plane], prev_frame_linesize[plane],
1409 w >> shift, h >> shift);
1410 }
1411 307 }
1412
1413 2253 static int get_c4x4_set(int qp, int is_intra)
1414 {
1415
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 2253 if (is_intra)
1416 1166 return rv60_qp_to_idx[qp + 32];
1417 else
1418 1087 return rv60_qp_to_idx[qp];
1419 }
1420
1421 137688 static int quant(int v, int q)
1422 {
1423 137688 return (v * q + 8) >> 4;
1424 }
1425
1426 137688 static int decode_coeff(GetBitContext * gb, const CoeffVLCs * vlcs, int inval, int val)
1427 {
1428 int esc_sym;
1429
1430
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 137688 if (inval != val)
1431
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 73186 return inval && get_bits1(gb) ? -inval : inval;
1432
1433 64502 esc_sym = get_vlc2(gb, vlcs->esc, 9, 2);
1434
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 64502 if (esc_sym > 23) {
1435 2214 int esc_bits = esc_sym - 23;
1436 2214 val += (1 << esc_bits) + get_bits(gb, esc_bits) + 22;
1437 } else
1438 62288 val += esc_sym;
1439
1440
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 64502 return get_bits1(gb) ? -val : val;
1441 }
1442
1443 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)
1444 {
1445 const uint8_t * lx;
1446
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 4396 if (!dsc)
1447 ✗ return;
1448
1449 4396 lx = rv60_dsc_to_lx[dsc - 1];
1450
1451 4396 coeffs[0] = quant(decode_coeff(gb, vlcs, lx[0], 3), q_dc);
1452
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 4396 if (!block2) {
1453 4396 coeffs[1] = quant(decode_coeff(gb, vlcs, lx[1], 2), q_ac);
1454 4396 coeffs[stride] = quant(decode_coeff(gb, vlcs, lx[2], 2), q_ac);
1455 } else {
1456 ✗ coeffs[stride] = quant(decode_coeff(gb, vlcs, lx[1], 2), q_ac);
1457 ✗ coeffs[1] = quant(decode_coeff(gb, vlcs, lx[2], 2), q_ac);
1458 }
1459 4396 coeffs[stride + 1] = quant(decode_coeff(gb, vlcs, lx[3], 2), q_ac);
1460 }
1461
1462 30026 static void decode_2x2(GetBitContext * gb, const CoeffVLCs * vlcs, int16_t * coeffs, int stride, int block2, int dsc, int q_ac)
1463 {
1464 const uint8_t * lx;
1465
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 30026 if (!dsc)
1466 ✗ return;
1467
1468 30026 lx = rv60_dsc_to_lx[dsc - 1];
1469
1470 30026 coeffs[0] = quant(decode_coeff(gb, vlcs, lx[0], 3), q_ac);
1471
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 30026 if (!block2) {
1472 22293 coeffs[1] = quant(decode_coeff(gb, vlcs, lx[1], 2), q_ac);
1473 22293 coeffs[stride] = quant(decode_coeff(gb, vlcs, lx[2], 2), q_ac);
1474 } else {
1475 7733 coeffs[stride] = quant(decode_coeff(gb, vlcs, lx[1], 2), q_ac);
1476 7733 coeffs[1] = quant(decode_coeff(gb, vlcs, lx[2], 2), q_ac);
1477 }
1478 30026 coeffs[stride + 1] = quant(decode_coeff(gb, vlcs, lx[3], 2), q_ac);
1479 }
1480
1481 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)
1482 {
1483 4548 int sym0 = get_vlc2(gb, vlcs->l0[!is_luma], 9, 2);
1484 4548 int grp0 = sym0 >> 3;
1485
1486
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 4548 if (grp0)
1487 4396 decode_2x2_dc(gb, vlcs, coeffs, stride, 0, grp0, q_dc, q_ac);
1488
1489
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 4548 if (sym0 & 4) {
1490 3242 int grp = get_vlc2(gb, vlcs->l12[!is_luma], 9, 2);
1491 3242 decode_2x2(gb, vlcs, coeffs + 2, stride, 0, grp, q_ac);
1492 }
1493
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 4548 if (sym0 & 2) {
1494 2779 int grp = get_vlc2(gb, vlcs->l12[!is_luma], 9, 2);
1495 2779 decode_2x2(gb, vlcs, coeffs + 2*stride, stride, 1, grp, q_ac);
1496 }
1497
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 4548 if (sym0 & 1) {
1498 2478 int grp = get_vlc2(gb, vlcs->l3[!is_luma], 9, 2);
1499 2478 decode_2x2(gb, vlcs, coeffs + 2*stride + 2, stride, 0, grp, q_ac);
1500 }
1501 4548 }
1502
1503 7219 static void decode_4x4_block(GetBitContext * gb, const CoeffVLCs * vlcs, int is_luma, int16_t * coeffs, int stride, int q_ac)
1504 {
1505 7219 int sym0 = get_vlc2(gb, vlcs->l0[!is_luma], 9, 2);
1506 7219 int grp0 = (sym0 >> 3);
1507
1508
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 7219 if (grp0)
1509 6761 decode_2x2(gb, vlcs, coeffs, stride, 0, grp0, q_ac);
1510
1511
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 7219 if (sym0 & 4) {
1512 5569 int grp = get_vlc2(gb, vlcs->l12[!is_luma], 9, 2);
1513 5569 decode_2x2(gb, vlcs, coeffs + 2, stride, 0, grp, q_ac);
1514 }
1515
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 7219 if (sym0 & 2) {
1516 4954 int grp = get_vlc2(gb, vlcs->l12[!is_luma], 9, 2);
1517 4954 decode_2x2(gb, vlcs, coeffs + 2*stride, stride, 1, grp, q_ac);
1518 }
1519
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 7219 if (sym0 & 1) {
1520 4243 int grp = get_vlc2(gb, vlcs->l3[!is_luma], 9, 2);
1521 4243 decode_2x2(gb, vlcs, coeffs + 2*stride + 2, stride, 0, grp, q_ac);
1522 }
1523 7219 }
1524
1525 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)
1526 {
1527 139 int cb_set = get_c4x4_set(sel_qp, is_intra);
1528
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 139 const CoeffVLCs * vlc = is_intra ? &intra_coeff_vlc[cb_set] : &inter_coeff_vlc[cb_set];
1529 139 int q_y = rv60_quants_b[qp];
1530 139 int q_c_dc = rv60_quants_b[rv60_chroma_quant_dc[qp]];
1531 139 int q_c_ac = rv60_quants_b[rv60_chroma_quant_ac[qp]];
1532
1533 139 memset(y_coeffs, 0, sizeof(y_coeffs[0])*256);
1534
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 2363 for (int i = 0; i < 16; i++)
1535
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 2224 if ((cbp >> i) & 1)
1536 979 decode_4x4_block(gb, vlc, 1, y_coeffs + i * 16 , 4, q_y);
1537
1538 139 memset(u_coeffs, 0, sizeof(u_coeffs[0])*64);
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 695 for (int i = 0; i < 4; i++)
1540
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 556 if ((cbp >> (16 + i)) & 1)
1541 341 decode_4x4_block_dc(gb, vlc, 0, u_coeffs + i * 16, 4, q_c_dc, q_c_ac);
1542
1543 139 memset(v_coeffs, 0, sizeof(v_coeffs[0])*64);
1544
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 695 for (int i = 0; i < 4; i++)
1545
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 556 if ((cbp >> (20 + i)) & 1)
1546 335 decode_4x4_block_dc(gb, vlc, 0, v_coeffs + i * 16, 4, q_c_dc, q_c_ac);
1547 139 }
1548
1549 2387 static int decode_cbp8(GetBitContext * gb, int subset, int qp)
1550 {
1551 2387 int cb_set = rv60_qp_to_idx[qp];
1552 2387 return get_vlc2(gb, cbp8_vlc[cb_set][subset], 9, 2);
1553 }
1554
1555 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)
1556 {
1557 1901 int cb_set = get_c4x4_set(sel_qp, is_intra);
1558
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 1901 const CoeffVLCs * vlc = is_intra ? &intra_coeff_vlc[cb_set] : &inter_coeff_vlc[cb_set];
1559 1901 int q_y = rv60_quants_b[qp];
1560 1901 int q_c_dc = rv60_quants_b[rv60_chroma_quant_dc[qp]];
1561 1901 int q_c_ac = rv60_quants_b[rv60_chroma_quant_ac[qp]];
1562
1563 1901 memset(y_coeffs, 0, sizeof(y_coeffs[0])*64);
1564
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 9505 for (int i = 0; i < 4; i++) {
1565
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 7604 if ((ccbp >> i) & 1) {
1566 int offset, stride;
1567
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 4514 if (mode4x4) {
1568 2468 offset = i*16;
1569 2468 stride = 4;
1570 } else {
1571 2046 offset = (i & 1) * 4 + (i & 2) * 2 * 8;
1572 2046 stride = 8;
1573 }
1574 4514 decode_4x4_block(gb, vlc, 1, y_coeffs + offset, stride, q_y);
1575 }
1576 }
1577
1578
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 1901 if ((ccbp >> 4) & 1) {
1579 1741 memset(u_coeffs, 0, sizeof(u_coeffs[0])*16);
1580 1741 decode_4x4_block_dc(gb, vlc, 0, u_coeffs, 4, q_c_dc, q_c_ac);
1581 }
1582
1583
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 1901 if ((ccbp >> 5) & 1) {
1584 1778 memset(v_coeffs, 0, sizeof(u_coeffs[0])*16);
1585 1778 decode_4x4_block_dc(gb, vlc, 0, v_coeffs, 4, q_c_dc, q_c_ac);
1586 }
1587 1901 }
1588
1589 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)
1590 {
1591 213 int cb_set = get_c4x4_set(sel_qp, is_intra);
1592
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 213 const CoeffVLCs * vlc = is_intra ? &intra_coeff_vlc[cb_set] : &inter_coeff_vlc[cb_set];
1593 213 int q_y = rv60_quants_b[qp];
1594 213 int q_c_dc = rv60_quants_b[rv60_chroma_quant_dc[qp]];
1595 213 int q_c_ac = rv60_quants_b[rv60_chroma_quant_ac[qp]];
1596
1597 213 memset(y_coeffs, 0, sizeof(y_coeffs[0])*256);
1598
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 3621 for (int i = 0; i < 16; i++)
1599
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 3408 if ((ccbp >> i) & 1) {
1600 1230 int off = (i & 3) * 4 + (i >> 2) * 4 * 16;
1601 1230 decode_4x4_block(gb, vlc, 1, y_coeffs + off, 16, q_y);
1602 }
1603
1604 213 memset(u_coeffs, 0, sizeof(u_coeffs[0])*64);
1605
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 1065 for (int i = 0; i < 4; i++)
1606
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 852 if ((ccbp >> (16 + i)) & 1) {
1607 428 int off = (i & 1) * 4 + (i & 2) * 2 * 8;
1608
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 428 if (!i)
1609 161 decode_4x4_block_dc(gb, vlc, 0, u_coeffs + off, 8, q_c_dc, q_c_ac);
1610 else
1611 267 decode_4x4_block(gb, vlc, 0, u_coeffs + off, 8, q_c_ac);
1612 }
1613
1614 213 memset(v_coeffs, 0, sizeof(v_coeffs[0])*64);
1615
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 1065 for (int i = 0; i < 4; i++)
1616
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 852 if ((ccbp >> (20 + i)) & 1) {
1617 421 int off = (i & 1) * 4 + (i & 2) * 2 * 8;
1618
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 421 if (!i)
1619 192 decode_4x4_block_dc(gb, vlc, 0, v_coeffs + off, 8, q_c_dc, q_c_ac);
1620 else
1621 229 decode_4x4_block(gb, vlc, 0, v_coeffs + off, 8, q_c_ac);
1622 }
1623 213 }
1624
1625 352 static int decode_super_cbp(GetBitContext * gb, const VLCElem * vlc[4])
1626 {
1627 352 int sym0 = get_vlc2(gb, vlc[0], 9, 2);
1628 352 int sym1 = get_vlc2(gb, vlc[1], 9, 2);
1629 352 int sym2 = get_vlc2(gb, vlc[2], 9, 2);
1630 352 int sym3 = get_vlc2(gb, vlc[3], 9, 2);
1631 return 0
1632 352 + ((sym0 & 0x03) << 0)
1633 352 + ((sym0 & 0x0C) << 2)
1634 352 + ((sym0 & 0x10) << 12)
1635 352 + ((sym0 & 0x20) << 15)
1636 352 + ((sym1 & 0x03) << 2)
1637 352 + ((sym1 & 0x0C) << 4)
1638 352 + ((sym1 & 0x10) << 13)
1639 352 + ((sym1 & 0x20) << 16)
1640 352 + ((sym2 & 0x03) << 8)
1641 352 + ((sym2 & 0x0C) << 10)
1642 352 + ((sym2 & 0x10) << 14)
1643 352 + ((sym2 & 0x20) << 17)
1644 352 + ((sym3 & 0x03) << 10)
1645 352 + ((sym3 & 0x0C) << 12)
1646 352 + ((sym3 & 0x10) << 15)
1647 352 + ((sym3 & 0x20) << 18);
1648 }
1649
1650 352 static int decode_cbp16(GetBitContext * gb, int subset, int qp)
1651 {
1652 352 int cb_set = rv60_qp_to_idx[qp];
1653
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 352 if (!subset)
1654 ✗ return decode_super_cbp(gb, cbp8_vlc[cb_set]);
1655 else
1656 352 return decode_super_cbp(gb, cbp16_vlc[cb_set][subset - 1]);
1657 }
1658
1659 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)
1660 {
1661 7524 int size = 1 << log_size;
1662 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;
1663 int16_t y_coeffs[16*16], u_coeffs[8*8], v_coeffs[8*8];
1664 CUContext cu;
1665
1666
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 7524 if (xpos >= s->awidth || ypos >= s->aheight)
1667 630 return 0;
1668
1669
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));
1670 6894 thread->cu_split[thread->cu_split_pos++] = split;
1671
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 6894 if (split) {
1672 1782 size >>= 1;
1673 1782 log_size -= 1;
1674
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 3564 if ((ret = decode_cu_r(s, frame, thread, gb, xpos, ypos, log_size, qp, sel_qp)) < 0 ||
1675
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 3564 (ret = decode_cu_r(s, frame, thread, gb, xpos + size, ypos, log_size, qp, sel_qp)) < 0 ||
1676
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 3564 (ret = decode_cu_r(s, frame, thread, gb, xpos, ypos + size, log_size, qp, sel_qp)) < 0 ||
1677 1782 (ret = decode_cu_r(s, frame, thread, gb, xpos + size, ypos + size, log_size, qp, sel_qp)) < 0)
1678 ✗ return ret;
1679 1782 return 0;
1680 }
1681
1682 5112 cu.xpos = xpos;
1683 5112 cu.ypos = ypos;
1684 5112 cu.pu_pos = (xpos >> 3) + (ypos >> 3) * s->pu_stride;
1685 5112 cu.blk_pos = (xpos >> 2) + (ypos >> 2) * s->blk_stride;
1686
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 5112 cu.cu_type = s->pict_type != AV_PICTURE_TYPE_I ? get_bits(gb, 2) : CU_INTRA;
1687
1688
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 5112 switch (cu.cu_type) {
1689 2293 case CU_INTRA:
1690
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 2293 cu.pu_type = size == 8 && get_bits1(gb) ? PU_QUARTERS : PU_FULL;
1691
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 2293 if (cu.pu_type == PU_QUARTERS)
1692
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 3590 for (int i = 0; i < 4; i++)
1693 2872 cu.imode[i] = read_intra_mode(gb, &cu.imode_param[i]);
1694
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 1575 else if (size <= 32)
1695 1575 cu.imode[0] = read_intra_mode(gb, &cu.imode_param[0]);
1696 else
1697 ✗ cu.imode[0] = get_bits1(gb) ? INTRAMODE_PLANE64 : INTRAMODE_DC64;
1698 2293 break;
1699 1007 case CU_INTER_MV:
1700
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 1007 cu.pu_type = get_bits(gb, size == 8 ? 2 : 3);
1701 1007 count = pu_type_num_parts(cu.pu_type);
1702
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 3005 for (int i = 0; i < count; i++)
1703 1998 read_mv_info(s, gb, &cu.mv[i], size, cu.pu_type);
1704 1007 break;
1705 1812 default:
1706 1812 cu.pu_type = PU_FULL;
1707 1812 cu.mv[0].mvref = skip_mv_ref[get_unary(gb, 0, 3)];
1708 1812 break;
1709 }
1710
1711 5112 reconstruct(s, &cu, size);
1712
1713
6/6
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 5112 split_i4x4 = cu.cu_type == CU_INTRA && size == 8 && cu.pu_type == PU_QUARTERS;
1714
1715
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 5112 switch (cu.cu_type) {
1716 2293 case CU_INTRA:
1717 2293 imode = s->blk_info[cu.blk_pos].imode;
1718
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✓ Branch 1 taken 718 times.
 2293 if (!split_i4x4) {
1719 1575 int off = ypos * frame->linesize[0] + xpos;
1720 1575 populate_ipred(s, &cu, frame->data[0], frame->linesize[0], 0, 0, size, 1);
1721
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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)
1722 ✗ return AVERROR_INVALIDDATA;
1723 }
1724
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 6879 for (int plane = 1; plane < 3; plane++) {
1725 4586 int off = (ypos >> 1) * frame->linesize[plane] + (xpos >> 1);
1726 4586 populate_ipred(s, &cu, frame->data[plane], frame->linesize[plane], 0, 0, size >> 1, 0);
1727
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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)
1728 ✗ return AVERROR_INVALIDDATA;
1729 }
1730 2293 break;
1731 2819 default:
1732 2819 mv_x = xpos >> 2;
1733 2819 mv_y = ypos >> 2;
1734 2819 mv_pos = mv_y * s->blk_stride + mv_x;
1735 2819 count = pu_type_num_parts(cu.pu_type);
1736
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 6629 for (int part_no = 0; part_no < count; part_no++) {
1737 MVInfo mv;
1738 Dimensions dim;
1739 int bw, bh, bx, by;
1740
1741 3810 mv = s->blk_info[mv_pos].mv;
1742 3810 get_mv_dimensions(&dim, cu.pu_type, part_no, size);
1743 3810 bw = dim.w << 2;
1744 3810 bh = dim.h << 2;
1745 3810 bx = mv_x << 2;
1746 3810 by = mv_y << 2;
1747
1748
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 3810 if (!(mv.mvref & 2)) {
1749
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 2725 if (!s->last_frame[LAST_PIC]->data[0]) {
1750 ✗ av_log(s->avctx, AV_LOG_ERROR, "missing reference frame\n");
1751 ✗ return AVERROR_INVALIDDATA;
1752 }
1753 }
1754
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 3810 if (mv.mvref & 6) {
1755
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 1392 if (!s->last_frame[NEXT_PIC]->data[0]) {
1756 ✗ av_log(s->avctx, AV_LOG_ERROR, "missing reference frame\n");
1757 ✗ return AVERROR_INVALIDDATA;
1758 }
1759 }
1760
1761
4/5
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 3810 switch (mv.mvref) {
1762 2418 case MVREF_REF0:
1763 2418 mc(s, frame->data, frame->linesize, s->last_frame[LAST_PIC], bx, by, bw, bh, mv.f_mv, 0);
1764 2418 break;
1765 207 case MVREF_REF1:
1766 207 mc(s, frame->data, frame->linesize, s->last_frame[NEXT_PIC], bx, by, bw, bh, mv.f_mv, 0);
1767 207 break;
1768 878 case MVREF_BREF:
1769 878 mc(s, frame->data, frame->linesize, s->last_frame[NEXT_PIC], bx, by, bw, bh, mv.b_mv, 0);
1770 878 break;
1771 307 case MVREF_REF0ANDBREF:
1772 307 mc(s, frame->data, frame->linesize, s->last_frame[LAST_PIC], bx, by, bw, bh, mv.f_mv, 0);
1773 307 mc(s, thread->avg_data, thread->avg_linesize, s->last_frame[NEXT_PIC], bx, by, bw, bh, mv.b_mv, 1);
1774 307 avg(frame, thread->avg_data, thread->avg_linesize, bx, by, bw, bh);
1775 307 break;
1776 ✗ default:
1777 ✗ av_assert0(0); //should never reach here
1778 }
1779 3810 get_next_mv(s, &dim, cu.pu_type, part_no, &mv_pos, &mv_x, &mv_y);
1780 }
1781 2819 break;
1782 }
1783
1784
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 5112 if (cu.cu_type == CU_SKIP)
1785 1639 ttype = TRANSFORM_NONE;
1786
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 3473 else if (size >= 32)
1787 28 ttype = TRANSFORM_16X16;
1788
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 3445 else if (size == 16)
1789
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 1058 ttype = cu.cu_type == CU_INTRA || cu.pu_type == PU_FULL ? TRANSFORM_16X16 : TRANSFORM_4X4;
1790 else
1791
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 2387 ttype = cu.pu_type == PU_FULL ? TRANSFORM_8X8 : TRANSFORM_4X4;
1792
1793 5112 is_intra = cu.cu_type == CU_INTRA;
1794
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 5112 if (is_intra && qp >= 32)
1795 ✗ return AVERROR_INVALIDDATA;
1796 5112 cu_pos = ((xpos & 63) >> 3) + ((ypos & 63) >> 3) * 8;
1797
1798
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 5112 switch (ttype) {
1799 1165 case TRANSFORM_4X4:
1800
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 1165 subset = is_intra ? 0 : 2;
1801
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 1165 if (size == 16) {
1802
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 148 int cbp16 = get_bits1(gb) ? decode_cbp16(gb, subset, sel_qp) : 0;
1803
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 148 if (cbp16) {
1804 139 decode_cu_4x4in16x16(gb, is_intra, qp, sel_qp, y_coeffs, u_coeffs, v_coeffs, cbp16);
1805
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 695 for (int y = 0; y < 4; y++)
1806
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 2780 for (int x = 0; x < 4; x++) {
1807 2224 int i = y*4 + x;
1808
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✓ Branch 1 taken 1245 times.
 2224 if ((cbp16 >> i) & 1) {
1809 979 int off = (ypos + y * 4)*frame->linesize[0] + xpos + x * 4;
1810 979 ff_rv60_idct4x4_add(y_coeffs + i*16, frame->data[0] + off, frame->linesize[0]);
1811 979 thread->coded_blk[cu_pos + (y/2)*8 + (x/2)] = 1;
1812 }
1813 }
1814
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 417 for (int y = 0; y < 2; y++)
1815
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 834 for (int x = 0; x < 2; x++) {
1816 556 int i = y * 2 + x;
1817 556 int xoff = (xpos >> 1) + x * 4;
1818 556 int yoff = (ypos >> 1) + y * 4;
1819
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 556 if ((cbp16 >> (16 + i)) & 1) {
1820 341 int off = yoff * frame->linesize[1] + xoff;
1821 341 ff_rv60_idct4x4_add(u_coeffs + i * 16, frame->data[1] + off, frame->linesize[1]);
1822 341 thread->coded_blk[cu_pos + y*8 + x] = 1;
1823 }
1824
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 556 if ((cbp16 >> (20 + i)) & 1) {
1825 335 int off = yoff * frame->linesize[2] + xoff;
1826 335 ff_rv60_idct4x4_add(v_coeffs + i * 16, frame->data[2] + off, frame->linesize[2]);
1827 335 thread->coded_blk[cu_pos + y*8 + x] = 1;
1828 }
1829 }
1830 }
1831 } else {
1832 1017 cbp8 = decode_cbp8(gb, subset, sel_qp);
1833
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 1017 if (cbp8) {
1834 967 thread->coded_blk[cu_pos] = 1;
1835 967 decode_cu_8x8(gb, is_intra, qp, sel_qp, y_coeffs, u_coeffs, v_coeffs, cbp8, 1);
1836 }
1837
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 5085 for (int i = 0; i < 4; i++) {
1838 4068 int xoff = (i & 1) << 2;
1839 4068 int yoff = (i & 2) << 1;
1840
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 4068 if (split_i4x4) {
1841 2872 int off = (ypos + yoff) * frame->linesize[0] + xpos + xoff;
1842 2872 int imode = s->blk_info[cu.blk_pos + (i >> 1) * s->blk_stride + (i & 1)].imode;
1843 2872 populate_ipred(s, &cu, frame->data[0], frame->linesize[0], xoff, yoff, 4, 1);
1844
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 2872 if (pred_angle(&cu.ipred, frame->data[0] + off, frame->linesize[0], 4, imode, 1) < 0)
1845 ✗ return AVERROR_INVALIDDATA;
1846 }
1847
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 4068 if ((cbp8 >> i) & 1) {
1848 2468 int off = (ypos + yoff) * frame->linesize[0] + xpos + xoff;
1849 2468 ff_rv60_idct4x4_add(y_coeffs + i * 16, frame->data[0] + off, frame->linesize[0]);
1850 }
1851 }
1852
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 1017 if ((cbp8 >> 4) & 1) {
1853 935 int off = (ypos >> 1) * frame->linesize[1] + (xpos >> 1);
1854 935 ff_rv60_idct4x4_add(u_coeffs, frame->data[1] + off, frame->linesize[1]);
1855 }
1856
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 1017 if ((cbp8 >> 5) & 1) {
1857 936 int off = (ypos >> 1) * frame->linesize[2] + (xpos >> 1);
1858 936 ff_rv60_idct4x4_add(v_coeffs, frame->data[2] + off, frame->linesize[2]);
1859 }
1860 }
1861 1165 break;
1862 1370 case TRANSFORM_8X8:
1863
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 1370 subset = is_intra ? 1 : 3;
1864 1370 cbp8 = decode_cbp8(gb, subset, sel_qp);
1865
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 1370 if (cbp8) {
1866 934 thread->coded_blk[cu_pos] = 1;
1867 934 decode_cu_8x8(gb, is_intra, qp, sel_qp, y_coeffs, u_coeffs, v_coeffs, cbp8, 0);
1868
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 934 if (cbp8 & 0xF) {
1869 851 int off = ypos * frame->linesize[0] + xpos;
1870 851 ff_rv60_idct8x8_add(y_coeffs, frame->data[0] + off, frame->linesize[0]);
1871 }
1872
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 934 if ((cbp8 >> 4) & 1) {
1873 806 int off = (ypos >> 1) * frame->linesize[1] + (xpos >> 1);
1874 806 ff_rv60_idct4x4_add(u_coeffs, frame->data[1] + off, frame->linesize[1]);
1875 }
1876
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 934 if ((cbp8 >> 5) & 1) {
1877 842 int off = (ypos >> 1) * frame->linesize[2] + (xpos >> 1);
1878 842 ff_rv60_idct4x4_add(v_coeffs, frame->data[2] + off, frame->linesize[2]);
1879 }
1880 }
1881 1370 break;
1882 938 case TRANSFORM_16X16:
1883
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 938 subset = is_intra ? 1 : 3;
1884 938 num_clusters = size >> 4;
1885 938 cl_cbp = get_bits(gb, num_clusters * num_clusters);
1886
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 1904 for (int y = 0; y < num_clusters; y++) {
1887
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 1988 for (int x = 0; x < num_clusters; x++) {
1888
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 1022 if (!((cl_cbp >> (y*num_clusters + x)) & 1))
1889 809 continue;
1890 213 thread->coded_blk[cu_pos + y*2*8 + x*2 + 0] = 1;
1891 213 thread->coded_blk[cu_pos + y*2*8 + x*2 + 1] = 1;
1892 213 thread->coded_blk[cu_pos + y*2*8 + x*2 + 8] = 1;
1893 213 thread->coded_blk[cu_pos + y*2*8 + x*2 + 9] = 1;
1894 213 super_cbp = decode_cbp16(gb, subset, sel_qp);
1895
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✗ Branch 1 not taken.
 213 if (super_cbp) {
1896 213 decode_cu_16x16(gb, is_intra, qp, sel_qp, y_coeffs, u_coeffs, v_coeffs, super_cbp);
1897
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 213 if (super_cbp & 0xFFFF) {
1898 171 int off = (ypos + y * 16) * frame->linesize[0] + xpos + x * 16;
1899 171 ff_rv60_idct16x16_add(y_coeffs, frame->data[0] + off, frame->linesize[0]);
1900 }
1901
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 213 if ((super_cbp >> 16) & 0xF) {
1902 162 int off = ((ypos >> 1) + y * 8) * frame->linesize[1] + (xpos >> 1) + x * 8;
1903 162 ff_rv60_idct8x8_add(u_coeffs, frame->data[1] + off, frame->linesize[1]);
1904 }
1905
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 213 if ((super_cbp >> 20) & 0xF) {
1906 194 int off = ((ypos >> 1) + y * 8) * frame->linesize[2] + (xpos >> 1) + x * 8;
1907 194 ff_rv60_idct8x8_add(v_coeffs, frame->data[2] + off, frame->linesize[2]);
1908 }
1909 }
1910 }
1911 }
1912 938 break;
1913 }
1914
1915 5112 return 0;
1916 }
1917
1918 19711 static int deblock_get_pos(RV60Context * s, int xpos, int ypos)
1919 {
1920 19711 return (ypos >> 2) * s->dblk_stride + (xpos >> 2);
1921 }
1922
1923 7779 static void deblock_set_strength(RV60Context * s, int xpos, int ypos, int size, int q, int strength)
1924 {
1925 7779 int pos = deblock_get_pos(s, xpos, ypos);
1926 7779 int dsize = size >> 2;
1927 7779 int dval = (q << 2) + strength;
1928
1929
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 31407 for (int x = 0; x < dsize; x++) {
1930 23628 s->top_str[pos + x] = dval;
1931 23628 s->top_str[pos + (dsize - 1)*s->dblk_stride + x] = dval;
1932 }
1933
1934
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 31407 for (int y = 0; y < dsize; y++) {
1935 23628 s->left_str[pos + y*s->dblk_stride] = dval;
1936 23628 s->left_str[pos + y*s->dblk_stride + dsize - 1] = dval;
1937 }
1938 7779 }
1939
1940 13514 static int deblock_get_top_strength(const RV60Context * s, int pos)
1941 {
1942 13514 return s->top_str[pos] & 3;
1943 }
1944
1945 13716 static int deblock_get_left_strength(const RV60Context * s, int pos)
1946 {
1947 13716 return s->left_str[pos] & 3;
1948 }
1949
1950 1770 static void deblock_set_top_strength(RV60Context * s, int pos, int strength)
1951 {
1952 1770 s->top_str[pos] |= strength;
1953 1770 }
1954
1955 1216 static void deblock_set_left_strength(RV60Context * s, int pos, int strength)
1956 {
1957 1216 s->left_str[pos] |= strength;
1958 1216 }
1959
1960 4153 static void derive_deblock_strength(RV60Context * s, int xpos, int ypos, int size)
1961 {
1962 4153 int blk_pos = (ypos >> 2) * s->blk_stride + (xpos >> 2);
1963 4153 int dblk_pos = deblock_get_pos(s, xpos, ypos);
1964
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 4153 if (ypos > 0)
1965
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 17364 for (int i = 0; i < size; i++)
1966
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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))
1967 1770 deblock_set_top_strength(s, dblk_pos + i, 1);
1968
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 4153 if (xpos > 0)
1969
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 17621 for (int i = 0; i < size; i++)
1970
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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))
1971 1216 deblock_set_left_strength(s, dblk_pos + i *s->dblk_stride, 1);
1972 4153 }
1973
1974 #define STRENGTH(el, lim) (FFABS(el) < (lim) ? 3 : 1)
1975 #define CLIP_SYMM(a, b) av_clip(a, -(b), b)
1976
1977 23366 static void filter_luma_edge(uint8_t * dst, int step, int stride, int mode1, int mode2, int lim1, int lim2)
1978 {
1979 int16_t diff_q1q0[4];
1980 int16_t diff_p1p0[4];
1981 int str_p, str_q, msum, maxprod, weak;
1982
1983
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 116830 for (int i = 0; i < 4; i++) {
1984 93464 diff_q1q0[i] = dst[i * stride - 2*step] - dst[i*stride - step];
1985 93464 diff_p1p0[i] = dst[i * stride + step] - dst[i*stride];
1986 }
1987
1988
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 23366 str_p = STRENGTH(diff_q1q0[0] + diff_q1q0[1] + diff_q1q0[2] + diff_q1q0[3], lim2);
1989
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 23366 str_q = STRENGTH(diff_p1p0[0] + diff_p1p0[1] + diff_p1p0[2] + diff_p1p0[3], lim2);
1990
1991
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 23366 if (str_p + str_q <= 2)
1992 22045 return;
1993
1994 1321 msum = (mode1 + mode2 + str_q + str_p) >> 1;
1995
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 1321 if (str_q == 1 || str_p == 1) {
1996 102 maxprod = 384;
1997 102 weak = 1;
1998 } else {
1999 1219 maxprod = 256;
2000 1219 weak = 0;
2001 }
2002
2003
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 6605 for (int y = 0; y < 4; y++) {
2004 5284 int diff_p0q0 = dst[0] - dst[-step];
2005 5284 int result = (lim1 * FFABS(diff_p0q0)) & -128;
2006
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 5284 if (diff_p0q0 && result <= maxprod) {
2007 2011 int diff_q1q2 = dst[-2*step] - dst[-3*step];
2008 2011 int diff_p1p2 = dst[step] - dst[2*step];
2009 int delta;
2010
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 2011 if (weak) {
2011 126 delta = CLIP_SYMM((diff_p0q0 + 1) >> 1, msum >> 1);
2012 } else {
2013 1885 int diff_strg = (dst[-2*step] - dst[step] + 4 * diff_p0q0 + 4) >> 3;
2014 1885 delta = CLIP_SYMM(diff_strg, msum);
2015 }
2016 2011 dst[-step] = av_clip_uint8(dst[-step] + delta);
2017 2011 dst[0] = av_clip_uint8(dst[0] - delta);
2018
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✓ Branch 3 taken 662 times.
 2011 if (str_p != 1 && FFABS(diff_q1q2) <= (lim2 >> 2)) {
2019 1253 int diff = (diff_q1q0[y] + diff_q1q2 - delta) >> 1;
2020
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 1253 int delta_q1 = weak ? CLIP_SYMM(diff, mode1 >> 1) : CLIP_SYMM(diff, mode1);
2021 1253 dst[-2 * step] = av_clip_uint8(dst[-2*step] - delta_q1);
2022 }
2023
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✓ Branch 3 taken 248 times.
 2011 if (str_q != 1 && FFABS(diff_p1p2) <= (lim2 >> 2)) {
2024 1733 int diff = (diff_p1p0[y] + diff_p1p2 + delta) >> 1;
2025
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 1733 int delta_p1 = weak ? CLIP_SYMM(diff, mode2 >> 1) : CLIP_SYMM(diff, mode2);
2026 1733 dst[step] = av_clip_uint8(dst[step] - delta_p1);
2027 }
2028 }
2029 5284 dst += stride;
2030 }
2031 }
2032
2033 26792 static void filter_chroma_edge(uint8_t * dst, int step, int stride, int mode1, int mode2, int lim1, int lim2)
2034 {
2035 26792 int diff_q = 4 * FFABS(dst[-2*step] - dst[-step]);
2036 26792 int diff_p = 4 * FFABS(dst[ step] - dst[0]);
2037
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 26792 int str_q = STRENGTH(diff_q, lim2);
2038
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 26792 int str_p = STRENGTH(diff_p, lim2);
2039 int msum, maxprod, weak;
2040
2041
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✓ Branch 1 taken 247 times.
 26792 if (str_p + str_q <= 2)
2042 26545 return;
2043
2044 247 msum = (mode1 + mode2 + str_q + str_p) >> 1;
2045
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 247 if (str_q == 1 || str_p == 1) {
2046 145 maxprod = 384;
2047 145 weak = 1;
2048 } else {
2049 102 maxprod = 256;
2050 102 weak = 0;
2051 }
2052
2053
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✓ Branch 1 taken 247 times.
 741 for (int y = 0; y < 2; y++) {
2054 494 int diff_pq = dst[0] - dst[-step];
2055 494 int result = (lim1 * FFABS(diff_pq)) & -128;
2056
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✓ Branch 3 taken 222 times.
 494 if (diff_pq && result <= maxprod) {
2057 int delta;
2058
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✓ Branch 1 taken 84 times.
 195 if (weak) {
2059 111 delta = CLIP_SYMM((diff_pq + 1) >> 1, msum >> 1);
2060 } else {
2061 84 int diff_strg = (dst[-2*step] - dst[step] + 4 * diff_pq + 4) >> 3;
2062 84 delta = CLIP_SYMM(diff_strg, msum);
2063 }
2064 195 dst[-step] = av_clip_uint8(dst[-step] + delta);
2065 195 dst[ 0 ] = av_clip_uint8(dst[ 0 ] - delta);
2066 }
2067 494 dst += stride;
2068 }
2069 }
2070
2071 11120 static void deblock_edge_ver(AVFrame * frame, int xpos, int ypos, int dblk_l, int dblk_r, int deblock_chroma)
2072 {
2073 11120 int qp_l = dblk_l >> 2;
2074 11120 int str_l = dblk_l & 3;
2075 11120 int qp_r = dblk_r >> 2;
2076 11120 int str_r = dblk_r & 3;
2077 11120 const uint8_t * dl_l = rv60_deblock_limits[qp_l];
2078 11120 const uint8_t * dl_r = rv60_deblock_limits[qp_r];
2079
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 11120 int mode_l = str_l ? dl_l[str_l - 1] : 0;
2080
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✓ Branch 1 taken 1204 times.
 11120 int mode_r = str_r ? dl_r[str_r - 1] : 0;
2081 11120 int lim1 = dl_r[2];
2082 11120 int lim2 = dl_r[3] * 4;
2083
2084 11120 filter_luma_edge(frame->data[0] + ypos * frame->linesize[0] + xpos, 1, frame->linesize[0], mode_l, mode_r, lim1, lim2);
2085
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✗ Branch 3 not taken.
 11120 if ((str_l | str_r) >= 2 && deblock_chroma)
2086
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✓ Branch 1 taken 6660 times.
 19980 for (int plane = 1; plane < 3; plane++)
2087 13320 filter_chroma_edge(frame->data[plane] + (ypos >> 1) * frame->linesize[plane] + (xpos >> 1), 1, frame->linesize[plane], mode_l, mode_r, lim1, lim2);
2088 11120 }
2089
2090 12246 static void deblock_edge_hor(AVFrame * frame, int xpos, int ypos, int dblk_t, int dblk_d, int deblock_chroma)
2091 {
2092 12246 int qp_t = dblk_t >> 2;
2093 12246 int str_t = dblk_t & 3;
2094 12246 int qp_d = dblk_d >> 2;
2095 12246 int str_d = dblk_d & 3;
2096 12246 const uint8_t * dl_t = rv60_deblock_limits[qp_t];
2097 12246 const uint8_t * dl_d = rv60_deblock_limits[qp_d];
2098
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✓ Branch 1 taken 3344 times.
 12246 int mode_t = str_t ? dl_t[str_t - 1] : 0;
2099
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✓ Branch 1 taken 1574 times.
 12246 int mode_d = str_d ? dl_d[str_d - 1] : 0;
2100 12246 int lim1 = dl_d[2];
2101 12246 int lim2 = dl_d[3] * 4;
2102
2103 12246 filter_luma_edge(frame->data[0] + ypos * frame->linesize[0] + xpos, frame->linesize[0], 1, mode_t, mode_d, lim1, lim2);
2104
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 12246 if ((str_t | str_d) >= 2 && deblock_chroma)
2105
2/2
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✓ Branch 1 taken 6736 times.
 20208 for (int plane = 1; plane < 3; plane++)
2106 13472 filter_chroma_edge(frame->data[plane] + (ypos >> 1) * frame->linesize[plane] + (xpos >> 1), frame->linesize[plane], 1, mode_t, mode_d, lim1, lim2);
2107 12246 }
2108
2109 15849 static void deblock8x8(const RV60Context * s, AVFrame * frame, int xpos, int ypos, int dblkpos)
2110 {
2111
2/2
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✓ Branch 1 taken 606 times.
 15849 if (xpos > 0) {
2112
2/2
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✓ Branch 1 taken 567 times.
 15243 if (ypos > 0) {
2113 14676 int str_l = s->left_str[dblkpos - s->dblk_stride - 1];
2114 14676 int str_r = s->left_str[dblkpos - s->dblk_stride];
2115
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✓ Branch 1 taken 9254 times.
 14676 if ((str_l | str_r) & 3)
2116 5422 deblock_edge_ver(frame, xpos, ypos - 4, str_l, str_r, s->deblock_chroma);
2117 }
2118 {
2119 15243 int str_l = s->left_str[dblkpos - 1];
2120 15243 int str_r = s->left_str[dblkpos];
2121
2/2
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✓ Branch 1 taken 9680 times.
 15243 if ((str_l | str_r) & 3)
2122 5563 deblock_edge_ver(frame, xpos, ypos, str_l, str_r, s->deblock_chroma);
2123 }
2124
2/2
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✓ Branch 1 taken 14931 times.
 15243 if (ypos + 8 >= s->aheight) {
2125 312 int str_l = s->left_str[dblkpos + s->dblk_stride - 1];
2126 312 int str_r = s->left_str[dblkpos + s->dblk_stride];
2127
2/2
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✓ Branch 1 taken 177 times.
 312 if ((str_l | str_r) & 3)
2128 135 deblock_edge_ver(frame, xpos, ypos + 4, str_l, str_r, s->deblock_chroma);
2129 }
2130 }
2131
2/2
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✓ Branch 1 taken 606 times.
 15849 if (ypos > 0) {
2132
2/2
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✓ Branch 1 taken 567 times.
 15243 if (xpos > 0) {
2133 14676 int str_t = s->top_str[dblkpos - s->dblk_stride - 1];
2134 14676 int str_d = s->top_str[dblkpos - 1];
2135
2/2
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✓ Branch 1 taken 8770 times.
 14676 if ((str_t | str_d) & 3)
2136 5906 deblock_edge_hor(frame, xpos - 4, ypos, str_t, str_d, s->deblock_chroma);
2137 }
2138 {
2139 15243 int str_t = s->top_str[dblkpos - s->dblk_stride];
2140 15243 int str_d = s->top_str[dblkpos];
2141
2/2
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✓ Branch 1 taken 9123 times.
 15243 if ((str_t | str_d) & 3)
2142 6120 deblock_edge_hor(frame, xpos, ypos, str_t, str_d, s->deblock_chroma);
2143 }
2144
2/2
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✓ Branch 1 taken 14898 times.
 15243 if (xpos + 8 >= s->awidth) {
2145 345 int str_t = s->top_str[dblkpos - s->dblk_stride + 1];
2146 345 int str_d = s->top_str[dblkpos + 1];
2147
2/2
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✓ Branch 1 taken 125 times.
 345 if ((str_t | str_d) & 3)
2148 220 deblock_edge_hor(frame, xpos + 4, ypos, str_t, str_d, s->deblock_chroma);
2149 }
2150 }
2151 15849 }
2152
2153 7779 static void deblock(const RV60Context * s, AVFrame * frame, int xpos, int ypos, int size, int dpos)
2154 {
2155
2/2
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✓ Branch 1 taken 7779 times.
 19593 for (int x = 0; x < size >> 3; x++)
2156 11814 deblock8x8(s, frame, xpos + x * 8, ypos, dpos + x * 2);
2157
2158
2/2
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✓ Branch 1 taken 7779 times.
 11814 for (int y = 1; y < size >> 3; y++)
2159 4035 deblock8x8(s, frame, xpos, ypos + y * 8, dpos + y * 2 * s->dblk_stride);
2160 7779 }
2161
2162 7524 static void deblock_cu_r(RV60Context * s, AVFrame * frame, ThreadContext * thread, int xpos, int ypos, int log_size, int qp)
2163 {
2164 int pu_pos, tsize, ntiles;
2165 enum CUType cu_type;
2166
2167
4/4
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✓ Branch 1 taken 350 times.
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✓ Branch 3 taken 6894 times.
 7524 if (xpos >= s->awidth || ypos >= s->aheight)
2168 630 return;
2169
2170
2/2
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✓ Branch 1 taken 5112 times.
 6894 if (thread->cu_split[thread->cu_split_pos++]) {
2171 1782 int hsize = 1 << (log_size - 1);
2172 1782 log_size--;
2173 1782 deblock_cu_r(s, frame, thread, xpos, ypos, log_size, qp);
2174 1782 deblock_cu_r(s, frame, thread, xpos + hsize, ypos, log_size, qp);
2175 1782 deblock_cu_r(s, frame, thread, xpos, ypos + hsize, log_size, qp);
2176 1782 deblock_cu_r(s, frame, thread, xpos + hsize, ypos + hsize, log_size, qp);
2177 1782 return;
2178 }
2179
2180 5112 pu_pos = (ypos >> 3) * s->pu_stride + (xpos >> 3);
2181 5112 cu_type = s->pu_info[pu_pos].cu_type;
2182
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✗ Branch 3 not taken.
 5112 switch (log_size) {
2183 3152 case 3: tsize = 3; break;
2184
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 1683 case 4: tsize = cu_type && s->pu_info[pu_pos].pu_type ? 3 : 4; break;
2185 277 case 5:
2186 277 case 6: tsize = 4; break;
2187 }
2188 5112 ntiles = 1 << (log_size - tsize);
2189
2190
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✓ Branch 1 taken 5112 times.
 10881 for (int ty = 0; ty < ntiles; ty++)
2191
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✓ Branch 1 taken 5769 times.
 13548 for (int tx = 0; tx < ntiles; tx++) {
2192 7779 int x = xpos + (tx << tsize);
2193 7779 int y = ypos + (ty << tsize);
2194 7779 int cu_pos = ((y & 63) >> 3) * 8 + ((x & 63) >> 3);
2195
2196
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 7779 if (cu_type == CU_INTRA)
2197 2293 deblock_set_strength(s, x, y, 1 << tsize, qp, 2);
2198
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✓ Branch 3 taken 375 times.
 5486 else if (cu_type != CU_SKIP && thread->coded_blk[cu_pos])
2199 1333 deblock_set_strength(s, x, y, 1 << tsize, qp, 1);
2200 else {
2201 4153 deblock_set_strength(s, x, y, 1 << tsize, qp, 0);
2202 4153 derive_deblock_strength(s, x, y, 1 << (tsize - 2));
2203 }
2204
2205 7779 deblock(s, frame, x, y, 1 << tsize, deblock_get_pos(s, x, y));
2206 }
2207 }
2208
2209 396 static int read_qp_offset(GetBitContext *gb, int qp_off_type)
2210 {
2211 int val;
2212
2213
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 396 switch (qp_off_type) {
2214 396 case 0:
2215 396 return 0;
2216 ✗ case 1:
2217 ✗ val = read_code012(gb);
2218 ✗ return val != 2 ? val : -1;
2219 ✗ default:
2220 ✗ if (!get_bits1(gb))
2221 ✗ return 0;
2222 ✗ val = get_bits(gb, 2);
2223 ✗ if (!(val & 2))
2224 ✗ return val + 1;
2225 else
2226 ✗ return -((val & 1) + 1);
2227 }
2228 }
2229
2230 396 static int calc_sel_qp(int osvquant, int qp)
2231 {
2232
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 396 switch (osvquant) {
2233 140 case 0: return qp;
2234 ✗ case 1: return qp <= 25 ? qp + 5 : qp;
2235 256 default:
2236
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 256 if (qp <= 18)
2237 256 return qp + 10;
2238 ✗ else if (qp <= 25)
2239 ✗ return qp + 5;
2240 else
2241 ✗ return qp;
2242 }
2243 }
2244
2245 102 static int decode_slice(AVCodecContext *avctx, void *tdata, int cu_y, int threadnr)
2246 {
2247 102 RV60Context *s = avctx->priv_data;
2248 102 AVFrame * frame = tdata;
2249 ThreadContext thread;
2250 GetBitContext gb;
2251 int qp, sel_qp, ret;
2252
2253 102 thread.avg_data[0] = thread.avg_buffer;
2254 102 thread.avg_data[1] = thread.avg_buffer + 64*64;
2255 102 thread.avg_data[2] = thread.avg_buffer + 64*64 + 32*32;
2256 102 thread.avg_linesize[0] = 64;
2257 102 thread.avg_linesize[1] = 32;
2258 102 thread.avg_linesize[2] = 32;
2259
2260
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 102 if ((ret = init_get_bits8(&gb, s->slice[cu_y].data, s->slice[cu_y].size)) < 0)
2261 ✗ return ret;
2262
2263
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 498 for (int cu_x = 0; cu_x < s->cu_width; cu_x++) {
2264
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 396 if ((s->avctx->active_thread_type & FF_THREAD_SLICE) && cu_y)
2265 ✗ ff_thread_progress_await(&s->progress[cu_y - 1], cu_x + 2);
2266
2267 396 qp = s->qp + read_qp_offset(&gb, s->qp_off_type);
2268
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 396 if (qp < 0) {
2269 ✗ ret = AVERROR_INVALIDDATA;
2270 ✗ break;
2271 }
2272 396 sel_qp = calc_sel_qp(s->osvquant, qp);
2273
2274 396 memset(thread.coded_blk, 0, sizeof(thread.coded_blk));
2275 396 thread.cu_split_pos = 0;
2276
2277
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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)
2278 ✗ break;
2279
2280
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 396 if (s->deblock) {
2281 396 thread.cu_split_pos = 0;
2282 396 deblock_cu_r(s, frame, &thread, cu_x << 6, cu_y << 6, 6, qp);
2283 }
2284
2285
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 396 if (s->avctx->active_thread_type & FF_THREAD_SLICE)
2286 ✗ ff_thread_progress_report(&s->progress[cu_y], cu_x + 1);
2287 }
2288
2289
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 102 if (s->avctx->active_thread_type & FF_THREAD_SLICE)
2290 ✗ ff_thread_progress_report(&s->progress[cu_y], INT_MAX);
2291
2292 102 return ret;
2293 }
2294
2295 43 static int rv60_decode_frame(AVCodecContext *avctx, AVFrame * frame,
2296 int * got_frame, AVPacket * avpkt)
2297 {
2298 43 RV60Context *s = avctx->priv_data;
2299 GetBitContext gb;
2300 int ret, header_size, width, height, ofs;
2301
2302
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 43 if (avpkt->size == 0) {
2303
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 4 if (s->last_frame[NEXT_PIC]->data[0]) {
2304 2 av_frame_move_ref(frame, s->last_frame[NEXT_PIC]);
2305 2 *got_frame = 1;
2306 }
2307 4 return 0;
2308 }
2309
2310
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 39 if (avpkt->size < 9)
2311 ✗ return AVERROR_INVALIDDATA;
2312
2313 39 header_size = avpkt->data[0] * 8 + 9;
2314
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 39 if (avpkt->size < header_size)
2315 ✗ return AVERROR_INVALIDDATA;
2316
2317
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 39 if ((ret = init_get_bits8(&gb, avpkt->data + header_size, avpkt->size - header_size)) < 0)
2318 ✗ return ret;
2319
2320
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 39 if ((ret = read_frame_header(s, &gb, &width, &height)) < 0)
2321 ✗ return ret;
2322
2323
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 39 if (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B ||
2324
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 39 avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type != AV_PICTURE_TYPE_I ||
2325
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 39 avctx->skip_frame >= AVDISCARD_ALL)
2326 ✗ return avpkt->size;
2327
2328
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 39 if (s->pict_type != AV_PICTURE_TYPE_B)
2329 15 FFSWAP(AVFrame *, s->last_frame[NEXT_PIC], s->last_frame[LAST_PIC]);
2330
2331
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 39 if ((s->pict_type == AV_PICTURE_TYPE_P && !s->last_frame[LAST_PIC]->data[0]) ||
2332
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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]))) {
2333 ✗ av_log(s->avctx, AV_LOG_ERROR, "missing reference frame\n");
2334 ✗ return AVERROR_INVALIDDATA;
2335 }
2336
2337 39 s->last_frame[CUR_PIC]->pict_type = s->pict_type;
2338
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 39 if (s->pict_type == AV_PICTURE_TYPE_I)
2339 2 s->last_frame[CUR_PIC]->flags |= AV_FRAME_FLAG_KEY;
2340
2341
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 39 if ((ret = update_dimensions_clear_info(s, width, height)) < 0)
2342 ✗ return ret;
2343
2344
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 39 if (!s->last_frame[CUR_PIC]->data[0])
2345
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 39 if ((ret = ff_get_buffer(avctx, s->last_frame[CUR_PIC], 0)) < 0)
2346 ✗ return ret;
2347
2348
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 39 if ((ret = read_slice_sizes(s, &gb)) < 0)
2349 ✗ return ret;
2350
2351 39 ofs = get_bits_count(&gb) / 8;
2352
2353
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 141 for (int i = 0; i < s->cu_height; i++) {
2354
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 102 if (header_size + ofs >= avpkt->size)
2355 ✗ return AVERROR_INVALIDDATA;
2356 102 s->slice[i].data = avpkt->data + header_size + ofs;
2357 102 s->slice[i].data_size = FFMIN(s->slice[i].size, avpkt->size - header_size - ofs);
2358 102 ofs += s->slice[i].size;
2359 }
2360
2361 39 ret = progress_init(s, s->cu_height);
2362
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 39 if (ret < 0)
2363 ✗ return ret;
2364
2365 39 s->avctx->execute2(s->avctx, decode_slice, s->last_frame[CUR_PIC], NULL, s->cu_height);
2366
2367 39 ret = 0;
2368
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 39 if (s->pict_type == AV_PICTURE_TYPE_B)
2369 24 av_frame_move_ref(frame, s->last_frame[CUR_PIC]);
2370
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 15 else if (s->last_frame[LAST_PIC]->data[0])
2371 13 ret = av_frame_ref(frame, s->last_frame[LAST_PIC]);
2372
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 39 if (ret < 0)
2373 ✗ return ret;
2374
2375
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 39 if (frame->data[0])
2376 37 *got_frame = 1;
2377
2378
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 39 if (s->pict_type != AV_PICTURE_TYPE_B) {
2379 15 av_frame_unref(s->last_frame[NEXT_PIC]);
2380 15 FFSWAP(AVFrame *, s->last_frame[CUR_PIC], s->last_frame[NEXT_PIC]);
2381 }
2382
2383
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 39 if (s->pict_type != AV_PICTURE_TYPE_B) {
2384 15 s->ref_pts[0] = s->ref_pts[1];
2385 15 s->ref_pts[1] = avpkt->pts;
2386
2387 15 s->ref_ts[0] = s->ref_ts[1];
2388 15 s->ref_ts[1] = s->ts;
2389
2390
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 15 if (s->ref_pts[1] > s->ref_pts[0] && s->ref_ts[1] > s->ref_ts[0])
2391 13 s->ts_scale = (s->ref_pts[1] - s->ref_pts[0]) / (s->ref_ts[1] - s->ref_ts[0]);
2392 } else {
2393 24 frame->pts = s->ref_pts[0] + (s->ts - s->ref_ts[0]) * s->ts_scale;
2394 }
2395
2396 39 return avpkt->size;
2397 }
2398
2399 ✗ static void rv60_flush(AVCodecContext *avctx)
2400 {
2401 ✗ RV60Context *s = avctx->priv_data;
2402
2403 ✗ for (int i = 0; i < 3; i++)
2404 ✗ av_frame_unref(s->last_frame[i]);
2405 ✗ }
2406
2407 4 static av_cold int rv60_decode_end(AVCodecContext * avctx)
2408 {
2409 4 RV60Context *s = avctx->priv_data;
2410
2411
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 16 for (int i = 0; i < 3; i++)
2412 12 av_frame_free(&s->last_frame[i]);
2413
2414 4 av_freep(&s->slice);
2415 4 av_freep(&s->pu_info);
2416 4 av_freep(&s->blk_info);
2417 4 av_freep(&s->top_str);
2418 4 av_freep(&s->left_str);
2419
2420
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 14 for (int i = 0; i < s->nb_progress; i++)
2421 10 ff_thread_progress_destroy(&s->progress[i]);
2422 4 av_freep(&s->progress);
2423
2424 4 return 0;
2425 }
2426
2427 const FFCodec ff_rv60_decoder = {
2428 .p.name = "rv60",
2429 CODEC_LONG_NAME("RealVideo 6.0"),
2430 .p.type = AVMEDIA_TYPE_VIDEO,
2431 .p.id = AV_CODEC_ID_RV60,
2432 .priv_data_size = sizeof(RV60Context),
2433 .init = rv60_decode_init,
2434 .close = rv60_decode_end,
2435 FF_CODEC_DECODE_CB(rv60_decode_frame),
2436 .flush = rv60_flush,
2437 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY | AV_CODEC_CAP_SLICE_THREADS,
2438 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
2439 };
2440