FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/rv60dec.c
Date: 2026-01-16 07:34:38
Exec Total Coverage
Lines: 1316 1457 90.3%
Functions: 87 89 97.8%
Branches: 878 1102 79.7%
Line Branch Exec Source
1 /*
2 * RV60 decoder
3 * Copyright (c) 2007 Mike Melanson, Konstantin Shishkov
4 * Copyright (C) 2023 Peter Ross
5 *
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23 #include "avcodec.h"
24 #include "codec_internal.h"
25 #include "decode.h"
26 #include "get_bits.h"
27 #include "golomb.h"
28 #include "libavutil/mem.h"
29 #include "rv60data.h"
30 #include "rv60dsp.h"
31 #include "rv60vlcs.h"
32 #include "threadprogress.h"
33 #include "unary.h"
34 #include "videodsp.h"
35
36 #include "libavutil/attributes.h"
37
38 static const int8_t frame_types[4] = {AV_PICTURE_TYPE_I, AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, AV_PICTURE_TYPE_NONE};
39
40 enum CUType {
41 CU_INTRA = 0,
42 CU_INTER_MV,
43 CU_SKIP,
44 CU_INTER
45 };
46
47 enum PUType {
48 PU_FULL = 0,
49 PU_N2HOR,
50 PU_N2VER,
51 PU_QUARTERS,
52 PU_N4HOR,
53 PU_N34HOR,
54 PU_N4VER,
55 PU_N34VER
56 };
57
58 enum IntraMode {
59 INTRAMODE_INDEX = 0,
60 INTRAMODE_DC64,
61 INTRAMODE_PLANE64,
62 INTRAMODE_MODE
63 };
64
65 enum MVRefEnum {
66 MVREF_NONE = 0,
67 MVREF_REF0,
68 MVREF_REF1,
69 MVREF_BREF,
70 MVREF_REF0ANDBREF,
71 MVREF_SKIP0,
72 MVREF_SKIP1,
73 MVREF_SKIP2,
74 MVREF_SKIP3
75 };
76
77 static const uint8_t skip_mv_ref[4] = {MVREF_SKIP0, MVREF_SKIP1, MVREF_SKIP2, MVREF_SKIP3};
78
79 enum {
80 TRANSFORM_NONE = 0,
81 TRANSFORM_16X16,
82 TRANSFORM_8X8,
83 TRANSFORM_4X4
84 };
85
86 static const VLCElem * cbp8_vlc[7][4];
87 static const VLCElem * cbp16_vlc[7][4][4];
88
89 typedef struct {
90 const VLCElem * l0[2];
91 const VLCElem * l12[2];
92 const VLCElem * l3[2];
93 const VLCElem * esc;
94 } CoeffVLCs;
95
96 static CoeffVLCs intra_coeff_vlc[5];
97 static CoeffVLCs inter_coeff_vlc[7];
98
99 #define MAX_VLC_SIZE 864
100 static VLCElem table_data[129148];
101
102 /* 32-bit version of rv34_gen_vlc */
103 392 static const VLCElem * gen_vlc(const uint8_t * bits, int size, VLCInitState * state)
104 {
105 392 int counts[17] = {0};
106 uint32_t codes[18];
107 uint32_t cw[MAX_VLC_SIZE];
108
109
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 67336 for (int i = 0; i < size; i++)
110 66944 counts[bits[i]]++;
111
112 392 codes[0] = counts[0] = 0;
113
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 7056 for (int i = 0; i < 17; i++)
114 6664 codes[i+1] = (codes[i] + counts[i]) << 1;
115
116
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 67336 for (int i = 0; i < size; i++)
117 66944 cw[i] = codes[bits[i]]++;
118
119 392 return ff_vlc_init_tables(state, 9, size,
120 bits, 1, 1,
121 cw, 4, 4, 0);
122 }
123
124 4 static void build_coeff_vlc(const CoeffLens * lens, CoeffVLCs * vlc, int count, VLCInitState * state)
125 {
126
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 28 for (int i = 0; i < count; i++) {
127
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 72 for (int j = 0; j < 2; j++) {
128 48 vlc[i].l0[j] = gen_vlc(lens[i].l0[j], 864, state);
129 48 vlc[i].l12[j] = gen_vlc(lens[i].l12[j], 108, state);
130 48 vlc[i].l3[j] = gen_vlc(lens[i].l3[j], 108, state);
131 }
132 24 vlc[i].esc = gen_vlc(lens[i].esc, 32, state);
133 }
134 4 }
135
136 2 static av_cold void rv60_init_static_data(void)
137 {
138 2 VLCInitState state = VLC_INIT_STATE(table_data);
139
140
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141
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 70 for (int j = 0; j < 4; j++)
142 56 cbp16_vlc[i][0][j] = cbp8_vlc[i][j] = gen_vlc(rv60_cbp8_lens[i][j], 64, &state);
143
144
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146
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 210 for (int k = 0; k < 4; k++)
147 168 cbp16_vlc[i][j + 1][k] = gen_vlc(rv60_cbp16_lens[i][j][k], 64, &state);
148
149 2 build_coeff_vlc(rv60_intra_lens, intra_coeff_vlc, 5, &state);
150 2 build_coeff_vlc(rv60_inter_lens, inter_coeff_vlc, 7, &state);
151 2 }
152
153 typedef struct {
154 int sign;
155 int size;
156 const uint8_t * data;
157 int data_size;
158 } Slice;
159
160 typedef struct {
161 int cu_split_pos;
162 uint8_t cu_split[1+4+16+64];
163
164 uint8_t coded_blk[64];
165
166 uint8_t avg_buffer[64*64 + 32*32*2];
167 uint8_t * avg_data[3];
168 int avg_linesize[3];
169 } ThreadContext;
170
171 typedef struct {
172 int16_t x;
173 int16_t y;
174 } MV;
175
176 typedef struct {
177 enum MVRefEnum mvref;
178 MV f_mv;
179 MV b_mv;
180 } MVInfo;
181
182 typedef struct {
183 enum IntraMode imode;
184 MVInfo mv;
185 } BlockInfo;
186
187 typedef struct {
188 enum CUType cu_type;
189 enum PUType pu_type;
190 } PUInfo;
191
192 typedef struct RV60Context {
193 AVCodecContext * avctx;
194 VideoDSPContext vdsp;
195
196 #define CUR_PIC 0
197 #define LAST_PIC 1
198 #define NEXT_PIC 2
199 AVFrame *last_frame[3];
200
201 int pict_type;
202 int qp;
203 int osvquant;
204 int ts;
205 int two_f_refs;
206 int qp_off_type;
207 int deblock;
208 int deblock_chroma;
209 int awidth;
210 int aheight;
211 int cu_width;
212 int cu_height;
213
214 Slice * slice;
215
216 int pu_stride;
217 PUInfo * pu_info;
218
219 int blk_stride;
220 BlockInfo * blk_info;
221
222 int dblk_stride;
223 uint8_t * left_str;
224 uint8_t * top_str;
225
226 uint64_t ref_pts[2], ts_scale;
227 uint32_t ref_ts[2];
228
229 struct ThreadProgress *progress;
230 unsigned nb_progress;
231 } RV60Context;
232
233 39 static int progress_init(RV60Context *s, unsigned count)
234 {
235
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 39 if (s->nb_progress < count) {
236 2 void *tmp = av_realloc_array(s->progress, count, sizeof(*s->progress));
237
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 2 if (!tmp)
238 ✗ return AVERROR(ENOMEM);
239 2 s->progress = tmp;
240 2 memset(s->progress + s->nb_progress, 0, (count - s->nb_progress) * sizeof(*s->progress));
241
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 12 for (int i = s->nb_progress; i < count; i++) {
242 10 int ret = ff_thread_progress_init(&s->progress[i], 1);
243
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 10 if (ret < 0)
244 ✗ return ret;
245 10 s->nb_progress = i + 1;
246 }
247 }
248
249
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 141 for (int i = 0; i < count; i++)
250 102 ff_thread_progress_reset(&s->progress[i]);
251
252 39 return 0;
253 }
254
255 4 static av_cold int rv60_decode_init(AVCodecContext * avctx)
256 {
257 static AVOnce init_static_once = AV_ONCE_INIT;
258 4 RV60Context *s = avctx->priv_data;
259
260 4 s->avctx = avctx;
261
262 4 ff_videodsp_init(&s->vdsp, 8);
263
264 4 avctx->pix_fmt = AV_PIX_FMT_YUV420P;
265
266
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 16 for (int i = 0; i < 3; i++) {
267 12 s->last_frame[i] = av_frame_alloc();
268
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 12 if (!s->last_frame[i])
269 ✗ return AVERROR(ENOMEM);
270 }
271
272 4 ff_thread_once(&init_static_once, rv60_init_static_data);
273
274 4 return 0;
275 }
276
277 39 static int update_dimensions_clear_info(RV60Context *s, int width, int height)
278 {
279 int ret;
280
281
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 39 if (width != s->avctx->width || height != s->avctx->height) {
282
283 ✗ av_log(s->avctx, AV_LOG_INFO, "changing dimensions to %dx%d\n", width, height);
284
285 ✗ for (int i = 0; i < 3; i++)
286 ✗ av_frame_unref(s->last_frame[i]);
287
288 ✗ if ((ret = ff_set_dimensions(s->avctx, width, height)) < 0)
289 ✗ return ret;
290
291 ✗ if (s->avctx->width <= 64 || s->avctx->height <= 64)
292 ✗ av_log(s->avctx, AV_LOG_WARNING, "unable to faithfully reproduce emulated edges; expect visual artefacts\n");
293 }
294
295 39 s->awidth = FFALIGN(width, 16);
296 39 s->aheight = FFALIGN(height, 16);
297
298 39 s->cu_width = (width + 63) >> 6;
299 39 s->cu_height = (height + 63) >> 6;
300
301 39 s->pu_stride = s->cu_width << 3;
302 39 s->blk_stride = s->cu_width << 4;
303
304
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 39 if ((ret = av_reallocp_array(&s->slice, s->cu_height, sizeof(s->slice[0]))) < 0)
305 ✗ return ret;
306
307
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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)
308 ✗ return ret;
309
310
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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)
311 ✗ return ret;
312
313 39 memset(s->pu_info, 0, s->pu_stride * (s->cu_height << 3) * sizeof(s->pu_info[0]));
314 39 memset(s->blk_info, 0, s->blk_stride * (s->cu_height << 4) * sizeof(s->blk_info[0]));
315
316
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 1671 for (int j = 0; j < s->cu_height << 4; j++)
317
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 103008 for (int i = 0; i < s->cu_width << 4; i++)
318 101376 s->blk_info[j*s->blk_stride + i].mv.mvref = MVREF_NONE;
319
320
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 39 if (s->deblock) {
321 int size;
322
323 39 s->dblk_stride = s->awidth >> 2;
324
325 39 size = s->dblk_stride * (s->aheight >> 2);
326
327
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 39 if ((ret = av_reallocp_array(&s->top_str, size, sizeof(s->top_str[0]))) < 0)
328 ✗ return ret;
329
330
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 39 if ((ret = av_reallocp_array(&s->left_str, size, sizeof(s->left_str[0]))) < 0)
331 ✗ return ret;
332
333 39 memset(s->top_str, 0, size);
334 39 memset(s->left_str, 0, size);
335 }
336
337 39 return 0;
338 }
339
340 4039 static int read_code012(GetBitContext * gb)
341 {
342
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 4039 if (!get_bits1(gb))
343 2755 return 0;
344 1284 return get_bits1(gb) + 1;
345 }
346
347 39 static int read_frame_header(RV60Context *s, GetBitContext *gb, int * width, int * height)
348 {
349
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 39 if (get_bits(gb, 2) != 3)
350 ✗ return AVERROR_INVALIDDATA;
351
352 39 skip_bits(gb, 2);
353 39 skip_bits(gb, 4);
354
355 39 s->pict_type = frame_types[get_bits(gb, 2)];
356
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 39 if (s->pict_type == AV_PICTURE_TYPE_NONE)
357 ✗ return AVERROR_INVALIDDATA;
358
359 39 s->qp = get_bits(gb, 6);
360 39 skip_bits1(gb);
361 39 skip_bits(gb, 2);
362 39 s->osvquant = get_bits(gb, 2);
363 39 skip_bits1(gb);
364 39 skip_bits(gb, 2);
365 39 s->ts = get_bits(gb, 24);
366 39 *width = (get_bits(gb, 11) + 1) * 4;
367 39 *height = get_bits(gb, 11) * 4;
368 39 skip_bits1(gb);
369
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 39 if (s->pict_type == AV_PICTURE_TYPE_I) {
370 2 s->two_f_refs = 0;
371 } else {
372
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 37 if (get_bits1(gb))
373 ✗ skip_bits(gb, 3);
374 37 s->two_f_refs = get_bits1(gb);
375 }
376 39 read_code012(gb);
377 39 read_code012(gb);
378 39 s->qp_off_type = read_code012(gb);
379 39 s->deblock = get_bits1(gb);
380
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 39 s->deblock_chroma = s->deblock && !get_bits1(gb);
381
382
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 39 if (get_bits1(gb)) {
383 ✗ int count = get_bits(gb, 2);
384 ✗ if (count) {
385 ✗ skip_bits(gb, 2);
386 ✗ for (int i = 0; i < count; i++)
387 ✗ for (int j = 0; j < 2 << i; j++)
388 ✗ skip_bits(gb, 8);
389 }
390 }
391
392 39 return 0;
393 }
394
395 39 static int read_slice_sizes(RV60Context *s, GetBitContext *gb)
396 {
397 39 int nbits = get_bits(gb, 5) + 1;
398 int last_size;
399
400
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 141 for (int i = 0; i < s->cu_height; i++)
401 102 s->slice[i].sign = get_bits1(gb);
402
403 39 s->slice[0].size = last_size = get_bits_long(gb, nbits);
404
405
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 39 if (last_size < 0)
406 ✗ return AVERROR_INVALIDDATA;
407
408
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 102 for (int i = 1; i < s->cu_height; i++) {
409 63 int diff = get_bits_long(gb, nbits);
410
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 63 if (s->slice[i].sign)
411 8 last_size += diff;
412 else
413 55 last_size -= diff;
414
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 63 if (last_size <= 0)
415 ✗ return AVERROR_INVALIDDATA;
416 63 s->slice[i].size = last_size;
417 }
418
419 39 align_get_bits(gb);
420 39 return 0;
421 }
422
423 4447 static int read_intra_mode(GetBitContext * gb, int * param)
424 {
425
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 4447 if (get_bits1(gb)) {
426 3922 *param = read_code012(gb);
427 3922 return INTRAMODE_INDEX;
428 } else {
429 525 *param = get_bits(gb, 5);
430 525 return INTRAMODE_MODE;
431 }
432 }
433
434 15476 static int has_top_block(const RV60Context * s, int xpos, int ypos, int dx, int dy, int size)
435 {
436
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 15476 return ypos + dy && xpos + dx + size <= s->awidth;
437 }
438
439 13316 static int has_left_block(const RV60Context * s, int xpos, int ypos, int dx, int dy, int size)
440 {
441
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 13316 return xpos + dx && ypos + dy + size <= s->aheight;
442 }
443
444 8848 static int has_top_right_block(const RV60Context * s, int xpos, int ypos, int dx, int dy, int size)
445 {
446
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 8848 if (has_top_block(s, xpos, ypos, dx, dy, size * 2)) {
447 8603 int cxpos = ((xpos + dx) & 63) >> ff_log2(size);
448 8603 int cypos = ((ypos + dy) & 63) >> ff_log2(size);
449 8603 return !(rv60_avail_mask[cxpos] & cypos);
450 }
451 245 return 0;
452 }
453
454 8869 static int has_left_down_block(const RV60Context * s, int xpos, int ypos, int dx, int dy, int size)
455 {
456
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 8869 if (has_left_block(s, xpos, ypos, dx, dy, size * 2)) {
457 8717 int cxpos = (~(xpos + dx) & 63) >> ff_log2(size);
458 8717 int cypos = (~(ypos + dy) & 63) >> ff_log2(size);
459 8717 return rv60_avail_mask[cxpos] & cypos;
460 }
461 152 return 0;
462 }
463
464 typedef struct {
465 uint8_t t[129];
466 uint8_t l[129];
467 int has_t;
468 int has_tr;
469 int has_l;
470 int has_ld;
471 } IntraPredContext;
472
473 typedef struct {
474 int xpos;
475 int ypos;
476 int pu_pos;
477 int blk_pos;
478
479 enum CUType cu_type;
480 enum PUType pu_type;
481 enum IntraMode imode[4];
482 int imode_param[4];
483 MVInfo mv[4];
484
485 IntraPredContext ipred;
486 } CUContext;
487
488 9033 static void ipred_init(IntraPredContext * i)
489 {
490 9033 memset(i->t, 0x80, sizeof(i->t));
491 9033 memset(i->l, 0x80, sizeof(i->l));
492 9033 i->has_t = i->has_tr = i->has_l = i->has_ld = 0;
493 9033 }
494
495 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)
496 {
497
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 9033 if (is_luma)
498 4447 src += (cu->ypos + yoff) * stride + cu->xpos + xoff;
499 else
500 4586 src += (cu->ypos >> 1) * stride + (cu->xpos >> 1);
501
502 9033 ipred_init(&cu->ipred);
503
504
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 9033 if (cu->ypos + yoff > 0) {
505 8848 cu->ipred.has_t = 1;
506
507 8848 memcpy(cu->ipred.t + 1, src - stride, size);
508
509
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 8848 if ((is_luma && has_top_right_block(s, cu->xpos, cu->ypos, xoff, yoff, size)) ||
510
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 4478 (!is_luma && has_top_right_block(s, cu->xpos, cu->ypos, 0, 0, size << 1))) {
511 5697 cu->ipred.has_tr = 1;
512 5697 memcpy(cu->ipred.t + size + 1, src - stride + size, size);
513 } else
514 3151 memset(cu->ipred.t + size + 1, cu->ipred.t[size], size);
515
516
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 8848 if (cu->xpos + xoff > 0)
517 8690 cu->ipred.t[0] = src[-stride - 1];
518 }
519
520
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 9033 if (cu->xpos + xoff > 0) {
521 8869 cu->ipred.has_l = 1;
522
523
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 63029 for (int y = 0; y < size; y++)
524 54160 cu->ipred.l[y + 1] = src[y*stride - 1];
525
526
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 8869 if ((is_luma && has_left_down_block(s, cu->xpos, cu->ypos, xoff, yoff, size)) ||
527
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 4484 (!is_luma && has_left_down_block(s, cu->xpos, cu->ypos, 0, 0, size << 1))) {
528 2759 cu->ipred.has_ld = 1;
529
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 19791 for (int y = size; y < size * 2; y++)
530 17032 cu->ipred.l[y + 1] = src[y*stride - 1];
531 } else
532 6110 memset(cu->ipred.l + size + 1, cu->ipred.l[size], size);
533
534
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 8869 if (cu->ypos + yoff > 0)
535 8690 cu->ipred.l[0] = src[-stride - 1];
536 }
537 9033 }
538
539 1492 static void pred_plane(const IntraPredContext * p, uint8_t * dst, int stride, int size)
540 {
541 1492 int lastl = p->l[size + 1];
542 1492 int lastt = p->t[size + 1];
543 int tmp1[64], tmp2[64];
544 int top_ref[64], left_ref[64];
545 int shift;
546
547
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 8148 for (int i = 0; i < size; i++) {
548 6656 tmp1[i] = lastl - p->t[i + 1];
549 6656 tmp2[i] = lastt - p->l[i + 1];
550 }
551
552 1492 shift = ff_log2(size) + 1;
553
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 8148 for (int i = 0; i < size; i++) {
554 6656 top_ref[i] = p->t[i + 1] << (shift - 1);
555 6656 left_ref[i] = p->l[i + 1] << (shift - 1);
556 }
557
558
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 8148 for (int y = 0; y < size; y++) {
559 6656 int add = tmp2[y];
560 6656 int sum = left_ref[y] + size;
561
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 41472 for (int x = 0; x < size; x++) {
562 34816 int v = tmp1[x] + top_ref[x];
563 34816 sum += add;
564 34816 top_ref[x] = v;
565 34816 dst[y*stride + x] = (sum + v) >> shift;
566 }
567 }
568 1492 }
569
570 5606 static void pred_dc(const IntraPredContext * p, uint8_t * dst, int stride, int size, int filter)
571 {
572 int dc;
573
574
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 5606 if (!p->has_t && !p->has_l)
575 ✗ dc = 0x80;
576 else {
577 5606 int sum = 0;
578
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 5606 if (p->has_t)
579
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 43045 for (int x = 0; x < size; x++)
580 37568 sum += p->t[x + 1];
581
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 5606 if (p->has_l)
582
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 42762 for (int y = 0; y < size; y++)
583 37304 sum += p->l[y + 1];
584
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 5606 if (p->has_t && p->has_l)
585 5329 dc = (sum + size) / (size * 2);
586 else
587 277 dc = (sum + size / 2) / size;
588 }
589
590
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 44122 for (int y = 0; y < size; y++)
591 38516 memset(dst + y*stride, dc, size);
592
593
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 5606 if (filter && p->has_t && p->has_l) {
594 2373 dst[0] = (p->t[1] + p->l[1] + 2 * dst[0] + 2) >> 2;
595
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 19284 for (int x = 1; x < size; x++)
596 16911 dst[x] = (p->t[x + 1] + 3 * dst[x] + 2) >> 2;
597
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 19284 for (int y = 1; y < size; y++)
598 16911 dst[y*stride] = (p->l[y + 1] + 3 * dst[y*stride] + 2) >> 2;
599 }
600 5606 }
601
602 1762 static void filter_weak(uint8_t * dst, const uint8_t * src, int size)
603 {
604 1762 dst[0] = src[0];
605
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 8292 for (int i = 1; i < size - 1; i++)
606 6530 dst[i] = (src[i - 1] + 2*src[i] + src[i + 1] + 2) >> 2;
607 1762 dst[size - 1] = src[size - 1];
608 1762 }
609
610 ✗ static void filter_bilin32(uint8_t * dst, int v0, int v1, int size)
611 {
612 ✗ int diff = v1 - v0;
613 ✗ int sum = (v0 << 5) + (1 << (5 - 1));
614 ✗ for (int i = 0; i < size; i++) {
615 ✗ dst[i] = sum >> 5;
616 ✗ sum += diff;
617 }
618 ✗ }
619
620 355 static void pred_hor_angle(uint8_t * dst, int stride, int size, int weight, const uint8_t * src)
621 {
622 355 int sum = 0;
623
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 1775 for (int x = 0; x < size; x++) {
624 int off, frac;
625 1420 sum += weight;
626 1420 off = (sum >> 5) + 32;
627 1420 frac = sum & 0x1F;
628
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 1420 if (!frac)
629 ✗ for (int y = 0; y < size; y++)
630 ✗ dst[y*stride + x] = src[off + y];
631 else {
632
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 7100 for (int y = 0; y < size; y++) {
633 5680 int a = src[off + y];
634 5680 int b = src[off + y + 1];
635 5680 dst[y*stride + x] = ((32 - frac) * a + frac * b + 16) >> 5;
636 }
637 }
638 }
639 355 }
640
641 351 static void pred_ver_angle(uint8_t * dst, int stride, int size, int weight, const uint8_t * src)
642 {
643 351 int sum = 0;
644
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 1867 for (int y = 0; y < size; y++) {
645 int off, frac;
646 1516 sum += weight;
647 1516 off = (sum >> 5) + 32;
648 1516 frac = sum & 0x1F;
649
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 1516 if (!frac)
650 208 memcpy(dst + y*stride, src + off, size);
651 else {
652
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 6540 for (int x = 0; x < size; x++) {
653 5232 int a = src[off + x];
654 5232 int b = src[off + x + 1];
655 5232 dst[y*stride + x] = ((32 - frac) * a + frac * b + 16) >> 5;
656 }
657 }
658 }
659 351 }
660
661 9033 static int pred_angle(const IntraPredContext * p, uint8_t * dst, int stride, int size, int imode, int filter)
662 {
663 uint8_t filtered1[96], filtered2[96];
664
665
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 9033 if (!imode) {
666 1492 pred_plane(p, dst, stride, size);
667
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 7541 } else if (imode == 1) {
668 5606 pred_dc(p, dst, stride, size, filter);
669
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 1935 } else if (imode <= 9) {
670 323 int ang_weight = rv60_ipred_angle[10 - imode];
671 323 int add_size = (size * ang_weight + 31) >> 5;
672
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 323 if (size <= 16) {
673 323 filter_weak(filtered1 + 32, &p->l[1], size + add_size);
674 } else {
675 ✗ filter_bilin32(filtered1 + 32, p->l[1], p->l[33], 32);
676 ✗ filter_bilin32(filtered1 + 64, p->l[32], p->l[64], add_size);
677 }
678 323 pred_hor_angle(dst, stride, size, ang_weight, filtered1);
679
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 1612 } else if (imode == 10) {
680
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 357 if (size <= 16)
681 357 filter_weak(filtered1 + 32, &p->l[1], size);
682 else
683 ✗ filter_bilin32(filtered1 + 32, p->l[1], p->l[33], 32);
684
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 2589 for (int y = 0; y < size; y++)
685
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 20568 for (int x = 0; x < size; x++)
686 18336 dst[y*stride + x] = filtered1[32 + y];
687
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 357 if (filter) {
688 165 int tl = p->t[0];
689
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 1381 for (int x = 0; x < size; x++)
690 1216 dst[x] = av_clip_uint8(dst[x] + ((p->t[x + 1] - tl) >> 1));
691 }
692
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 1255 } else if (imode <= 17) {
693 32 int ang_weight = rv60_ipred_angle[imode - 10];
694 32 int inv_angle = rv60_ipred_inv_angle[imode - 10];
695 32 int add_size = (size * ang_weight + 31) >> 5;
696
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 32 if (size <= 16) {
697 32 memcpy(filtered1 + 32 - 1, p->l, size + 1);
698 32 memcpy(filtered2 + 32 - 1, p->t, size + 1);
699 } else {
700 ✗ filtered1[32 - 1] = p->l[0];
701 ✗ filter_bilin32(filtered1 + 32, p->l[0], p->l[32], 32);
702 ✗ filtered2[32 - 1] = p->t[0];
703 ✗ filter_bilin32(filtered2 + 32, p->t[0], p->t[32], 32);
704 }
705
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 32 if (add_size > 1) {
706 10 int sum = 0x80;
707
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 28 for (int i = 1; i < add_size; i++) {
708 18 sum += inv_angle;
709 18 filtered1[32 - 1 - i] = filtered2[32 - 1 + (sum >> 8)];
710 }
711 }
712 32 pred_hor_angle(dst, stride, size, -ang_weight, filtered1);
713
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 1223 } else if (imode <= 25) {
714 141 int ang_weight = rv60_ipred_angle[26 - imode];
715 141 int inv_angle = rv60_ipred_inv_angle[26 - imode];
716 141 int add_size = (size * ang_weight + 31) >> 5;
717
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 141 if (size <= 16) {
718 141 memcpy(filtered1 + 32 - 1, p->t, size + 1);
719 141 memcpy(filtered2 + 32 - 1, p->l, size + 1);
720 } else {
721 ✗ filtered1[32 - 1] = p->t[0];
722 ✗ filter_bilin32(filtered1 + 32, p->t[0], p->t[32], 32);
723 ✗ filtered2[32 - 1] = p->l[0];
724 ✗ filter_bilin32(filtered2 + 32, p->l[0], p->l[32], 32);
725 }
726
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 141 if (add_size > 1) {
727 65 int sum = 0x80;
728
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 307 for (int i = 1; i < add_size; i++) {
729 242 sum += inv_angle;
730 242 filtered1[32 - 1 - i] = filtered2[32 - 1 + (sum >> 8)];
731 }
732 }
733 141 pred_ver_angle(dst, stride, size, -ang_weight, filtered1);
734
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 1082 } else if (imode == 26) {
735
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 872 if (size <= 16)
736 872 filter_weak(&filtered1[32], &p->t[1], size);
737 else
738 ✗ filter_bilin32(filtered1 + 32, p->t[1], p->t[33], 32);
739
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 5972 for (int i = 0; i < size; i++)
740 5100 memcpy(dst + i*stride, filtered1 + 32, size);
741
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 872 if (filter) {
742 396 int tl = p->l[0];
743
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 3240 for (int y = 0; y < size; y++)
744 2844 dst[y*stride] = av_clip_uint8(dst[y*stride] + ((p->l[y+1] - tl) >> 1));
745 }
746
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 210 } else if (imode <= 34) {
747 210 int ang_weight = rv60_ipred_angle[imode - 26];
748 210 int add_size = (size * ang_weight + 31) >> 5;
749
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 210 if (size <= 16)
750 210 filter_weak(&filtered1[32], &p->t[1], size + add_size);
751 else {
752 ✗ filter_bilin32(filtered1 + 32, p->t[1], p->t[33], 32);
753 ✗ filter_bilin32(filtered1 + 64, p->t[32], p->t[64], add_size);
754 }
755 210 pred_ver_angle(dst, stride, size, ang_weight, filtered1);
756 } else
757 ✗ return AVERROR_INVALIDDATA;
758 9033 return 0;
759 }
760
761 12986 static int pu_is_intra(const PUInfo * pu)
762 {
763 12986 return pu->cu_type == CU_INTRA;
764 }
765
766 1355 static int ipm_compar(const void * a, const void * b)
767 {
768 1355 return *(const enum IntraMode *)a - *(const enum IntraMode *)b;
769 }
770
771 #define MK_UNIQUELIST(name, type, max_size) \
772 typedef struct { \
773 type list[max_size]; \
774 int size; \
775 } unique_list_##name; \
776 \
777 static void unique_list_##name##_init(unique_list_##name * s) \
778 { \
779 memset(s->list, 0, sizeof(s->list)); \
780 s->size = 0; \
781 } \
782 \
783 static void unique_list_##name##_add(unique_list_##name * s, type cand) \
784 { \
785 if (s->size == max_size) \
786 return; \
787 \
788 for (int i = 0; i < s->size; i++) { \
789 if (!memcmp(&s->list[i], &cand, sizeof(type))) { \
790 return; \
791 } \
792 } \
793 s->list[s->size++] = cand; \
794 }
795
796
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✓ Branch 5 taken 13341 times.
 114034 MK_UNIQUELIST(intramode, enum IntraMode, 3)
797
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 28116 MK_UNIQUELIST(mvinfo, MVInfo, 4)
798
799 4447 static int reconstruct_intra(const RV60Context * s, const CUContext * cu, int size, int sub)
800 {
801 int blk_pos, tl_x, tl_y;
802 unique_list_intramode ipm_cand;
803
804
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 4447 if (cu->imode[0] == INTRAMODE_DC64)
805 ✗ return 1;
806
807
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 4447 if (cu->imode[0] == INTRAMODE_PLANE64)
808 ✗ return 0;
809
810 4447 unique_list_intramode_init(&ipm_cand);
811
812
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 4447 if (has_top_block(s, cu->xpos, cu->ypos, (sub & 1) * 4, 0, size)) {
813 4324 const PUInfo * pu = &s->pu_info[cu->pu_pos - s->pu_stride];
814
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 4324 if (pu_is_intra(pu))
815 3612 unique_list_intramode_add(&ipm_cand, s->blk_info[cu->blk_pos - s->blk_stride + (sub & 1)].imode);
816 }
817
818 4447 blk_pos = cu->blk_pos + (sub >> 1) * s->blk_stride + (sub & 1);
819
820
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 4447 if (has_left_block(s, cu->xpos, cu->ypos, 0, (sub & 2) * 2, size)) {
821 4363 const PUInfo * pu = &s->pu_info[cu->pu_pos - 1];
822
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 4363 if (pu_is_intra(pu))
823 3678 unique_list_intramode_add(&ipm_cand, s->blk_info[blk_pos - 1 - (sub & 1)].imode);
824 }
825
826
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 4447 tl_x = !(sub & 2) ? (cu->xpos + (sub & 1) * 4) : cu->xpos;
827 4447 tl_y = cu->ypos + (sub & 2) * 4;
828
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 4447 if (tl_x > 0 && tl_y > 0) {
829 const PUInfo * pu;
830
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 4299 switch (sub) {
831 2190 case 0: pu = &s->pu_info[cu->pu_pos - s->pu_stride - 1]; break;
832 695 case 1: pu = &s->pu_info[cu->pu_pos - s->pu_stride]; break;
833 1414 default: pu = &s->pu_info[cu->pu_pos - 1];
834 }
835
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 4299 if (pu_is_intra(pu)) {
836
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 3616 if (sub != 3)
837 3046 unique_list_intramode_add(&ipm_cand, s->blk_info[blk_pos - s->blk_stride - 1].imode);
838 else
839 570 unique_list_intramode_add(&ipm_cand, s->blk_info[blk_pos - s->blk_stride - 2].imode);
840 }
841 }
842
843
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 31129 for (int i = 0; i < FF_ARRAY_ELEMS(rv60_candidate_intra_angles); i++)
844 26682 unique_list_intramode_add(&ipm_cand, rv60_candidate_intra_angles[i]);
845
846
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 4447 if (cu->imode[sub] == INTRAMODE_INDEX)
847 3922 return ipm_cand.list[cu->imode_param[sub]];
848
849
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 525 if (cu->imode[sub] == INTRAMODE_MODE) {
850 525 enum IntraMode imode = cu->imode_param[sub];
851 525 qsort(ipm_cand.list, 3, sizeof(ipm_cand.list[0]), ipm_compar);
852
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 2100 for (int i = 0; i < 3; i++)
853
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✓ Branch 1 taken 400 times.
 1575 if (imode >= ipm_cand.list[i])
854 1175 imode++;
855 525 return imode;
856 }
857
858 ✗ av_assert0(0); // should never reach here
859 return 0;
860 }
861
862 1812 static int get_skip_mv_index(enum MVRefEnum mvref)
863 {
864
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✓ Branch 2 taken 15 times.
✓ Branch 3 taken 1449 times.
 1812 switch (mvref) {
865 287 case MVREF_SKIP1: return 1;
866 61 case MVREF_SKIP2: return 2;
867 15 case MVREF_SKIP3: return 3;
868 1449 default: return 0;
869 }
870 }
871
872 10767 static void add_if_valid(unique_list_mvinfo * skip_cand, const MVInfo * mvi)
873 {
874
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✓ Branch 1 taken 1921 times.
 10767 if (mvi->mvref != MVREF_NONE)
875 8846 unique_list_mvinfo_add(skip_cand, *mvi);
876 10767 }
877
878 1812 static void fill_mv_skip_cand(RV60Context * s, const CUContext * cu, unique_list_mvinfo * skip_cand, int size)
879 {
880 1812 int mv_size = size >> 2;
881
882
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 1812 if (cu->xpos)
883 1649 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos - 1].mv);
884
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 1812 if (cu->ypos)
885 1562 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos - s->blk_stride].mv);
886
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 1812 if (cu->ypos && cu->xpos + size < s->awidth)
887 1418 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos - s->blk_stride + mv_size].mv);
888
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 1812 if (cu->xpos && cu->ypos + size < s->aheight)
889 1503 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)
891 1649 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos + s->blk_stride * (mv_size - 1) - 1].mv);
892
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 1812 if (cu->ypos)
893 1562 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos - s->blk_stride + mv_size - 1].mv);
894
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 1812 if (cu->xpos && cu->ypos)
895 1424 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos - s->blk_stride - 1].mv);
896
897
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 5694 for (int i = skip_cand->size; i < 4; i++)
898 3882 skip_cand->list[i] = (MVInfo){.mvref=MVREF_REF0,.f_mv={0,0},.b_mv={0,0}};
899 1812 }
900
901 typedef struct {
902 int w, h;
903 } Dimensions;
904
905 5808 static void get_mv_dimensions(Dimensions * dim, enum PUType pu_type, int part_no, int size)
906 {
907 5808 int mv_size = size >> 2;
908
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 5808 switch (pu_type) {
909 2920 case PU_FULL:
910 2920 dim->w = dim->h = mv_size;
911 2920 break;
912 380 case PU_N2HOR:
913 380 dim->w = mv_size;
914 380 dim->h = mv_size >> 1;
915 380 break;
916 356 case PU_N2VER:
917 356 dim->w = mv_size >> 1;
918 356 dim->h = mv_size;
919 356 break;
920 2152 case PU_QUARTERS:
921 2152 dim->w = dim->h = mv_size >> 1;
922 2152 break;
923 ✗ case PU_N4HOR:
924 ✗ dim->w = mv_size;
925 ✗ dim->h = !part_no ? (mv_size >> 2) : ((3 * mv_size) >> 2);
926 ✗ break;
927 ✗ case PU_N34HOR:
928 ✗ dim->w = mv_size;
929 ✗ dim->h = !part_no ? ((3 * mv_size) >> 2) : (mv_size >> 2);
930 ✗ break;
931 ✗ case PU_N4VER:
932 ✗ dim->w = !part_no ? (mv_size >> 2) : ((3 * mv_size) >> 2);
933 ✗ dim->h = mv_size;
934 ✗ break;
935 ✗ case PU_N34VER:
936 ✗ dim->w = !part_no ? ((3 * mv_size) >> 2) : (mv_size >> 2);
937 ✗ dim->h = mv_size;
938 ✗ break;
939 }
940 5808 }
941
942 3656 static int has_hor_split(enum PUType pu_type)
943 {
944
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 3656 return pu_type == PU_N2HOR || pu_type == PU_N4HOR || pu_type == PU_N34HOR || pu_type == PU_QUARTERS;
945 }
946
947 3276 static int has_ver_split(enum PUType pu_type)
948 {
949
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 3276 return pu_type == PU_N2VER || pu_type == PU_N4VER || pu_type == PU_N34VER || pu_type == PU_QUARTERS;
950 }
951
952 4833 static int pu_type_num_parts(enum PUType pu_type)
953 {
954
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 4833 switch (pu_type) {
955 3474 case PU_FULL: return 1;
956 807 case PU_QUARTERS: return 4;
957 552 default: return 2;
958 }
959 }
960
961 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)
962 {
963
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 5808 if (pu_type == PU_QUARTERS) {
964
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 2152 if (part_no != 1) {
965 1614 *mv_pos += dim->w;
966 1614 *mv_x += dim->w;
967 } else {
968 538 *mv_pos += dim->h*s->blk_stride - dim->w;
969 538 *mv_x -= dim->w;
970 538 *mv_y += dim->h;
971 }
972
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 3656 } else if (has_hor_split(pu_type)) {
973 380 *mv_pos += dim->h * s->blk_stride;
974 380 *mv_y += dim->h;
975
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 3276 } else if (has_ver_split(pu_type)) {
976 356 *mv_pos += dim->w;
977 356 *mv_x += dim->w;
978 }
979 5808 }
980
981 2915 static int mv_is_ref0(enum MVRefEnum mvref)
982 {
983
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 2915 return mvref == MVREF_REF0 || mvref == MVREF_REF0ANDBREF;
984 }
985
986 24675 static int mv_is_forward(enum MVRefEnum mvref)
987 {
988
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 24675 return mvref == MVREF_REF0 || mvref == MVREF_REF1 || mvref == MVREF_REF0ANDBREF;
989 }
990
991 27282 static int mv_is_backward(enum MVRefEnum mvref)
992 {
993
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 27282 return mvref == MVREF_BREF || mvref == MVREF_REF0ANDBREF;
994 }
995
996 4408 static int mvinfo_matches_forward(const MVInfo * a, const MVInfo * b)
997 {
998
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 4408 return a->mvref == b->mvref || (mv_is_ref0(a->mvref) && mv_is_ref0(b->mvref));
999 }
1000
1001 1819 static int mvinfo_matches_backward(const MVInfo * a, const MVInfo * b)
1002 {
1003
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 1819 return mv_is_backward(a->mvref) && mv_is_backward(b->mvref);
1004 }
1005
1006 24452 static int mvinfo_is_deblock_cand(const MVInfo * a, const MVInfo * b)
1007 {
1008 int diff;
1009
1010
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 24452 if (a->mvref != b->mvref)
1011 1775 return 1;
1012
1013 22677 diff = 0;
1014
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 22677 if (mv_is_forward(a->mvref)) {
1015 19370 int dx = a->f_mv.x - b->f_mv.x;
1016 19370 int dy = a->f_mv.y - b->f_mv.y;
1017 19370 diff += FFABS(dx) + FFABS(dy);
1018 }
1019
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 22677 if (mv_is_backward(a->mvref)) {
1020 4331 int dx = a->b_mv.x - b->b_mv.x;
1021 4331 int dy = a->b_mv.y - b->b_mv.y;
1022 4331 diff += FFABS(dx) + FFABS(dy);
1023 }
1024 22677 return diff > 4;
1025 }
1026
1027 367 static void mv_pred(MV * ret, MV a, MV b, MV c)
1028 {
1029 #define MEDIAN(x) \
1030 if (a.x < b.x) \
1031 if (b.x < c.x) \
1032 ret->x = b.x; \
1033 else \
1034 ret->x = a.x < c.x ? c.x : a.x; \
1035 else \
1036 if (b.x < c.x) \
1037 ret->x = a.x < c.x ? a.x : c.x; \
1038 else \
1039 ret->x = b.x; \
1040
1041
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 367 MEDIAN(x)
1042
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 367 MEDIAN(y)
1043 367 }
1044
1045 1998 static void predict_mv(const RV60Context * s, MVInfo * dst, int mv_x, int mv_y, int mv_w, const MVInfo * src)
1046 {
1047 1998 int mv_pos = mv_y * s->blk_stride + mv_x;
1048 MV f_mv, b_mv;
1049
1050 1998 dst->mvref = src->mvref;
1051
1052
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 1998 if (mv_is_forward(src->mvref)) {
1053 1537 MV cand[3] = {0};
1054 1537 int cand_size = 0;
1055
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 1537 if (mv_x > 0) {
1056 1426 const MVInfo * mv = &s->blk_info[mv_pos - 1].mv;
1057
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 1426 if (mvinfo_matches_forward(mv, src))
1058 906 cand[cand_size++] = mv->f_mv;
1059 }
1060
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 1537 if (mv_y > 0) {
1061 1515 const MVInfo * mv = &s->blk_info[mv_pos - s->blk_stride].mv;
1062
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 1515 if (mvinfo_matches_forward(mv, src))
1063 936 cand[cand_size++] = mv->f_mv;
1064 }
1065
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 1537 if (has_top_block(s, mv_x << 2, mv_y << 2, mv_w << 2, 0, 4)) {
1066 1467 const MVInfo * mv = &s->blk_info[mv_pos - s->blk_stride + mv_w].mv;
1067
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 1467 if (mvinfo_matches_forward(mv, src))
1068 561 cand[cand_size++] = mv->f_mv;
1069 }
1070
1071
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 1537 switch (cand_size) {
1072 481 case 1:
1073 481 f_mv.x = cand[0].x;
1074 481 f_mv.y = cand[0].y;
1075 481 break;
1076 523 case 2:
1077 523 f_mv.x = (cand[0].x + cand[1].x) >> 1;
1078 523 f_mv.y = (cand[0].y + cand[1].y) >> 1;
1079 523 break;
1080 292 case 3:
1081 292 mv_pred(&f_mv, cand[0], cand[1], cand[2]);
1082 292 break;
1083 241 default:
1084 241 f_mv = (MV){0,0};
1085 241 break;
1086 }
1087 } else {
1088 461 f_mv = (MV){0,0};
1089 }
1090
1091 1998 dst->f_mv.x = src->f_mv.x + f_mv.x;
1092 1998 dst->f_mv.y = src->f_mv.y + f_mv.y;
1093
1094
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 1998 if (mv_is_backward(src->mvref)) {
1095 644 MV cand[3] = {0};
1096 644 int cand_size = 0;
1097
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 644 if (mv_x > 0) {
1098 587 const MVInfo * mv = &s->blk_info[mv_pos - 1].mv;
1099
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 587 if (mvinfo_matches_backward(mv, src))
1100 296 cand[cand_size++] = mv->b_mv;
1101 }
1102
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 644 if (mv_y > 0) {
1103 628 const MVInfo * mv = &s->blk_info[mv_pos - s->blk_stride].mv;
1104
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 628 if (mvinfo_matches_backward(mv, src))
1105 297 cand[cand_size++] = mv->b_mv;
1106 }
1107
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 644 if (has_top_block(s, mv_x << 2, mv_y << 2, mv_w << 2, 0, 4)) {
1108 604 const MVInfo * mv = &s->blk_info[mv_pos - s->blk_stride + mv_w].mv;
1109
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 604 if (mvinfo_matches_backward(mv, src))
1110 195 cand[cand_size++] = mv->b_mv;
1111 }
1112
1113
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 644 switch (cand_size) {
1114 219 case 1:
1115 219 b_mv.x = cand[0].x;
1116 219 b_mv.y = cand[0].y;
1117 219 break;
1118 172 case 2:
1119 172 b_mv.x = (cand[0].x + cand[1].x) >> 1;
1120 172 b_mv.y = (cand[0].y + cand[1].y) >> 1;
1121 172 break;
1122 75 case 3:
1123 75 mv_pred(&b_mv, cand[0], cand[1], cand[2]);
1124 75 break;
1125 178 default:
1126 178 b_mv = (MV){0,0};
1127 178 break;
1128 }
1129 } else {
1130 1354 b_mv = (MV){0,0};
1131 }
1132
1133 1998 dst->b_mv.x = src->b_mv.x + b_mv.x;
1134 1998 dst->b_mv.y = src->b_mv.y + b_mv.y;
1135 1998 }
1136
1137 5112 static void reconstruct(RV60Context * s, const CUContext * cu, int size)
1138 {
1139 5112 int pu_size = size >> 3;
1140 PUInfo pui;
1141 int imode, mv_x, mv_y, mv_pos, count, mv_size;
1142 unique_list_mvinfo skip_cand;
1143 Dimensions dim;
1144 MVInfo mv;
1145
1146 5112 pui.cu_type = cu->cu_type;
1147 5112 pui.pu_type = cu->pu_type;
1148
1149
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 5112 if (cu->cu_type == CU_INTRA && cu->pu_type == PU_QUARTERS) {
1150 718 s->pu_info[cu->pu_pos] = pui;
1151
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 2154 for (int y = 0; y < 2; y++)
1152
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 4308 for (int x = 0; x < 2; x++)
1153 2872 s->blk_info[cu->blk_pos + y*s->blk_stride + x].imode =
1154 2872 reconstruct_intra(s, cu, 4, y*2 + x);
1155 718 return;
1156 }
1157
1158
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 4394 switch (cu->cu_type) {
1159 1575 case CU_INTRA:
1160 1575 imode = reconstruct_intra(s, cu, size, 0);
1161
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 6351 for (int y = 0; y < size >> 2; y++)
1162
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 20832 for (int x = 0; x < size >> 2; x++)
1163 16056 s->blk_info[cu->blk_pos + y*s->blk_stride + x].imode = imode;
1164 1575 break;
1165 1007 case CU_INTER_MV:
1166 1007 mv_x = cu->xpos >> 2;
1167 1007 mv_y = cu->ypos >> 2;
1168 1007 mv_pos = cu->blk_pos;
1169 1007 count = pu_type_num_parts(cu->pu_type);
1170
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 3005 for (int part_no = 0; part_no < count; part_no++) {
1171 MVInfo mv;
1172 1998 get_mv_dimensions(&dim, cu->pu_type, part_no, size);
1173 1998 predict_mv(s, &mv, mv_x, mv_y, dim.w, &cu->mv[part_no]);
1174
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 5454 for (int y = 0; y < dim.h; y++)
1175
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 10364 for (int x = 0; x < dim.w; x++)
1176 6908 s->blk_info[mv_pos + y*s->blk_stride + x].mv = mv;
1177 1998 get_next_mv(s, &dim, cu->pu_type, part_no, &mv_pos, &mv_x, &mv_y);
1178 }
1179 1007 break;
1180 1812 default:
1181 1812 unique_list_mvinfo_init(&skip_cand);
1182 1812 fill_mv_skip_cand(s, cu, &skip_cand, size);
1183 1812 mv = skip_cand.list[get_skip_mv_index(cu->mv[0].mvref)];
1184 1812 mv_size = size >> 2;
1185
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 9318 for (int y = 0; y < mv_size; y++)
1186
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 61206 for (int x = 0; x < mv_size; x++)
1187 53700 s->blk_info[cu->blk_pos + y*s->blk_stride + x].mv = mv;
1188 }
1189
1190
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 11766 for (int y = 0; y < pu_size; y++)
1191
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 26538 for (int x = 0; x < pu_size; x++)
1192 19166 s->pu_info[cu->pu_pos + y*s->pu_stride + x] = pui;
1193 }
1194
1195 2181 static void read_mv(GetBitContext * gb, MV * mv)
1196 {
1197 2181 mv->x = get_interleaved_se_golomb(gb);
1198 2181 mv->y = get_interleaved_se_golomb(gb);
1199 2181 }
1200
1201 1998 static void read_mv_info(RV60Context *s, GetBitContext * gb, MVInfo * mvinfo, int size, enum PUType pu_type)
1202 {
1203
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 1998 if (s->pict_type != AV_PICTURE_TYPE_B) {
1204
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 866 if (s->two_f_refs && get_bits1(gb))
1205 192 mvinfo->mvref = MVREF_REF1;
1206 else
1207 674 mvinfo->mvref = MVREF_REF0;
1208 866 read_mv(gb, &mvinfo->f_mv);
1209 866 mvinfo->b_mv.x = mvinfo->b_mv.y = 0;
1210 } else {
1211
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 1132 if ((size <= 8 && (size != 8 || pu_type != PU_FULL)) || get_bits1(gb)) {
1212
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 1898 if (!get_bits1(gb)) {
1213 488 mvinfo->mvref = MVREF_REF0;
1214 488 read_mv(gb, &mvinfo->f_mv);
1215 488 mvinfo->b_mv.x = mvinfo->b_mv.y = 0;
1216 } else {
1217 461 mvinfo->mvref = MVREF_BREF;
1218 461 mvinfo->f_mv.x = mvinfo->f_mv.y = 0;
1219 461 read_mv(gb, &mvinfo->b_mv);
1220 }
1221 } else {
1222 183 mvinfo->mvref = MVREF_REF0ANDBREF;
1223 183 read_mv(gb, &mvinfo->f_mv);
1224 183 read_mv(gb, &mvinfo->b_mv);
1225 }
1226 }
1227 1998 }
1228
1229 #define FILTER1(src, src_stride, src_y_ofs, step) \
1230 ( (src)[(y + src_y_ofs)*(src_stride) + x - 2*step] \
1231 - 5 * (src)[(y + src_y_ofs)*(src_stride) + x - 1*step] \
1232 +52 * (src)[(y + src_y_ofs)*(src_stride) + x ] \
1233 +20 * (src)[(y + src_y_ofs)*(src_stride) + x + 1*step] \
1234 - 5 * (src)[(y + src_y_ofs)*(src_stride) + x + 2*step] \
1235 + (src)[(y + src_y_ofs)*(src_stride) + x + 3*step] + 32) >> 6
1236
1237 #define FILTER2(src, src_stride, src_y_ofs, step) \
1238 ( (src)[(y + src_y_ofs)*(src_stride) + x - 2*step] \
1239 - 5 * (src)[(y + src_y_ofs)*(src_stride) + x - 1*step] \
1240 +20 * (src)[(y + src_y_ofs)*(src_stride) + x ] \
1241 +20 * (src)[(y + src_y_ofs)*(src_stride) + x + 1*step] \
1242 - 5 * (src)[(y + src_y_ofs)*(src_stride) + x + 2*step] \
1243 + (src)[(y + src_y_ofs)*(src_stride) + x + 3*step] + 16) >> 5
1244
1245 #define FILTER3(src, src_stride, src_y_ofs, step) \
1246 ( (src)[(y + src_y_ofs)*(src_stride) + x - 2*step] \
1247 - 5 * (src)[(y + src_y_ofs)*(src_stride) + x - 1*step] \
1248 +20 * (src)[(y + src_y_ofs)*(src_stride) + x ] \
1249 +52 * (src)[(y + src_y_ofs)*(src_stride) + x + 1*step] \
1250 - 5 * (src)[(y + src_y_ofs)*(src_stride) + x + 2*step] \
1251 + (src)[(y + src_y_ofs)*(src_stride) + x + 3*step] + 32) >> 6
1252
1253 #define FILTER_CASE(idx, dst, dst_stride, filter, w, h) \
1254 case idx: \
1255 for (int y = 0; y < h; y++) \
1256 for (int x = 0; x < w; x++) \
1257 (dst)[y*dst_stride + x] = av_clip_uint8(filter); \
1258 break;
1259
1260 #define FILTER_BLOCK(dst, dst_stride, src, src_stride, src_y_ofs, w, h, cond, step) \
1261 switch (cond) { \
1262 FILTER_CASE(1, dst, dst_stride, FILTER1(src, src_stride, src_y_ofs, step), w, h) \
1263 FILTER_CASE(2, dst, dst_stride, FILTER2(src, src_stride, src_y_ofs, step), w, h) \
1264 FILTER_CASE(3, dst, dst_stride, FILTER3(src, src_stride, src_y_ofs, step), w, h) \
1265 }
1266
1267 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)
1268 {
1269
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 51461 for (int y = 0; y < h; y++)
1271 47344 memcpy(dst + y*dst_stride, src + y*src_stride, w);
1272 ✗ } else if (!cy) {
1273 ✗ FILTER_BLOCK(dst, dst_stride, src, src_stride, 0, w, h, cx, 1)
1274 ✗ } else if (!cx) {
1275 ✗ FILTER_BLOCK(dst, dst_stride, src, src_stride, 0, w, h, cy, src_stride)
1276 ✗ } else if (cx != 3 || cy != 3) {
1277 uint8_t tmp[70 * 64];
1278 ✗ FILTER_BLOCK(tmp, 64, src - src_stride * 2, src_stride, 0, w, h + 5, cx, 1)
1279 ✗ FILTER_BLOCK(dst, dst_stride, tmp + 2*64, 64, 0, w, h, cy, 64)
1280 } else {
1281 ✗ for (int j = 0; j < h; j++)
1282 ✗ for (int i = 0; i < w; i++)
1283 ✗ dst[j*dst_stride + i] = (
1284 ✗ src[j*src_stride + i] +
1285 ✗ src[j*src_stride + i + 1] +
1286 ✗ src[(j + 1)*src_stride + i] +
1287 ✗ src[(j + 1)*src_stride + i + 1] + 2) >> 2;
1288 }
1289 4117 }
1290
1291 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)
1292 {
1293
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 8234 if (!x && !y) {
1294
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 51648 for (int j = 0; j < h; j++)
1295 44208 memcpy(dst + j*dst_stride, src + j*src_stride, w);
1296
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 876 } else if (x > 0 && y > 0) {
1297 int a, b, c, d;
1298
1299
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 82 if (x == 3 && y == 3)
1300 ✗ y = 2; //reproduce bug in rv60 decoder. tested with realplayer version 18.1.7.344 and 22.0.0.321
1301
1302 82 a = (4 - x) * (4 - y);
1303 82 b = x * (4 - y);
1304 82 c = (4 - x) * y;
1305 82 d = x * y;
1306
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 382 for (int j = 0; j < h; j++)
1307
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 1404 for (int i = 0; i < w; i++)
1308 1104 dst[j*dst_stride + i] =
1309 1104 (a * src[j*src_stride + i] +
1310 1104 b * src[j*src_stride + i + 1] +
1311 1104 c * src[(j + 1)*src_stride + i] +
1312 1104 d * src[(j + 1)*src_stride + i + 1] + 8) >> 4;
1313 } else {
1314 712 int a = (4 - x) * (4 - y);
1315 712 int e = x * (4 - y) + (4 - x) * y;
1316
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 712 int step = y > 0 ? src_stride : 1;
1317
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 3548 for (int j = 0; j < h; j++)
1318
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 17348 for (int i = 0; i < w; i++)
1319 14512 dst[j*dst_stride + i] =
1320 14512 (a * src[j*src_stride + i] +
1321 14512 e * src[j*src_stride + i + step] + 8) >> 4;
1322 }
1323 8234 }
1324
1325 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)
1326 {
1327 12351 int x2 = x + dx;
1328 12351 int y2 = y + dy;
1329
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 12351 return x2 - e0 >= 0 && x2 + cw + e1 <= w && y2 - e2 >= 0 && y2 + ch + e3 <= h;
1330 }
1331
1332 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)
1333 {
1334 {
1335
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 4117 int off = !avg ? y * frame_linesize[0] + x : 0;
1336 4117 int fw = s->awidth;
1337 4117 int fh = s->aheight;
1338 4117 int dx = mv.x >> 2;
1339 4117 int cx = mv.x & 3;
1340 4117 int dy = mv.y >> 2;
1341 4117 int cy = mv.y & 3;
1342
1343
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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])) {
1344 4041 luma_mc(
1345 4041 frame_data[0] + off,
1346 frame_linesize[0],
1347 4041 ref->data[0] + (y + dy) * ref->linesize[0] + x + dx,
1348 4041 ref->linesize[0],
1349 w, h, cx, cy);
1350 } else {
1351 uint8_t buf[70*70];
1352 76 int xoff = x + dx - 2;
1353 76 int yoff = y + dy - 2;
1354 76 s->vdsp.emulated_edge_mc(buf,
1355 76 ref->data[0] + yoff * ref->linesize[0] + xoff,
1356 76 70, ref->linesize[0],
1357 w + 5, h + 5,
1358 xoff, yoff,
1359 fw, fh);
1360
1361 76 luma_mc(frame_data[0] + off, frame_linesize[0],
1362 buf + 70 * 2 + 2, 70, w, h, cx, cy);
1363 }
1364 }
1365 {
1366 4117 int fw = s->awidth >> 1;
1367 4117 int fh = s->aheight >> 1;
1368 4117 int mvx = mv.x / 2;
1369 4117 int mvy = mv.y / 2;
1370 4117 int dx = mvx >> 2;
1371 4117 int cx = mvx & 3;
1372 4117 int dy = mvy >> 2;
1373 4117 int cy = mvy & 3;
1374 4117 int cw = w >> 1;
1375 4117 int ch = h >> 1;
1376
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 12351 for (int plane = 1; plane < 3; plane++) {
1378
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 8234 int off = !avg ? (y >> 1) * frame_linesize[plane] + (x >> 1) : 0;
1379
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 8234 if (check_pos(x >> 1, y >> 1, cw, ch, fw, fh, dx, dy, 0, 1, 0, 1)) {
1380 7310 chroma_mc(
1381 7310 frame_data[plane] + off,
1382 7310 frame_linesize[plane],
1383 7310 ref->data[plane] + ((y >> 1) + dy) * ref->linesize[plane] + (x >> 1) + dx,
1384 7310 ref->linesize[plane],
1385 cw, ch, cx, cy);
1386 } else {
1387 uint8_t buf[40*40];
1388 924 s->vdsp.emulated_edge_mc(buf,
1389 924 ref->data[plane] + ((y >> 1) + dy) * ref->linesize[plane] + (x >> 1) + dx,
1390 924 40, ref->linesize[plane],
1391 cw + 1, ch + 1,
1392 924 (x >> 1) + dx, (y >> 1) + dy,
1393 fw, fh);
1394 924 chroma_mc(frame_data[plane] + off, frame_linesize[plane], buf, 40, cw, ch, cx, cy);
1395 }
1396 }
1397 }
1398 4117 }
1399
1400 921 static void avg_plane(uint8_t * dst, int dst_stride, const uint8_t * src, int src_stride, int w, int h)
1401 {
1402
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 7913 for (int j = 0; j < h; j++)
1403
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 101936 for (int i = 0; i < w; i++)
1404 94944 dst[j*dst_stride + i] = (dst[j*dst_stride + i] + src[j*src_stride + i]) >> 1;
1405 921 }
1406
1407 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)
1408 {
1409
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 1228 for (int plane = 0; plane < 3; plane++) {
1410 921 int shift = !plane ? 0 : 1;
1411 921 avg_plane(frame->data[plane] + (y >> shift) * frame->linesize[plane] + (x >> shift), frame->linesize[plane],
1412 921 prev_frame_data[plane], prev_frame_linesize[plane],
1413 w >> shift, h >> shift);
1414 }
1415 307 }
1416
1417 2253 static int get_c4x4_set(int qp, int is_intra)
1418 {
1419
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 2253 if (is_intra)
1420 1166 return rv60_qp_to_idx[qp + 32];
1421 else
1422 1087 return rv60_qp_to_idx[qp];
1423 }
1424
1425 137688 static int quant(int v, int q)
1426 {
1427 137688 return (v * q + 8) >> 4;
1428 }
1429
1430 137688 static int decode_coeff(GetBitContext * gb, const CoeffVLCs * vlcs, int inval, int val)
1431 {
1432 int esc_sym;
1433
1434
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 137688 if (inval != val)
1435
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 73186 return inval && get_bits1(gb) ? -inval : inval;
1436
1437 64502 esc_sym = get_vlc2(gb, vlcs->esc, 9, 2);
1438
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 64502 if (esc_sym > 23) {
1439 2214 int esc_bits = esc_sym - 23;
1440 2214 val += (1 << esc_bits) + get_bits(gb, esc_bits) + 22;
1441 } else
1442 62288 val += esc_sym;
1443
1444
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 64502 return get_bits1(gb) ? -val : val;
1445 }
1446
1447 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)
1448 {
1449 const uint8_t * lx;
1450
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 4396 if (!dsc)
1451 ✗ return;
1452
1453 4396 lx = rv60_dsc_to_lx[dsc - 1];
1454
1455 4396 coeffs[0] = quant(decode_coeff(gb, vlcs, lx[0], 3), q_dc);
1456
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 4396 if (!block2) {
1457 4396 coeffs[1] = quant(decode_coeff(gb, vlcs, lx[1], 2), q_ac);
1458 4396 coeffs[stride] = quant(decode_coeff(gb, vlcs, lx[2], 2), q_ac);
1459 } else {
1460 ✗ coeffs[stride] = quant(decode_coeff(gb, vlcs, lx[1], 2), q_ac);
1461 ✗ coeffs[1] = quant(decode_coeff(gb, vlcs, lx[2], 2), q_ac);
1462 }
1463 4396 coeffs[stride + 1] = quant(decode_coeff(gb, vlcs, lx[3], 2), q_ac);
1464 }
1465
1466 30026 static void decode_2x2(GetBitContext * gb, const CoeffVLCs * vlcs, int16_t * coeffs, int stride, int block2, int dsc, int q_ac)
1467 {
1468 const uint8_t * lx;
1469
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 30026 if (!dsc)
1470 ✗ return;
1471
1472 30026 lx = rv60_dsc_to_lx[dsc - 1];
1473
1474 30026 coeffs[0] = quant(decode_coeff(gb, vlcs, lx[0], 3), q_ac);
1475
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 30026 if (!block2) {
1476 22293 coeffs[1] = quant(decode_coeff(gb, vlcs, lx[1], 2), q_ac);
1477 22293 coeffs[stride] = quant(decode_coeff(gb, vlcs, lx[2], 2), q_ac);
1478 } else {
1479 7733 coeffs[stride] = quant(decode_coeff(gb, vlcs, lx[1], 2), q_ac);
1480 7733 coeffs[1] = quant(decode_coeff(gb, vlcs, lx[2], 2), q_ac);
1481 }
1482 30026 coeffs[stride + 1] = quant(decode_coeff(gb, vlcs, lx[3], 2), q_ac);
1483 }
1484
1485 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)
1486 {
1487 4548 int sym0 = get_vlc2(gb, vlcs->l0[!is_luma], 9, 2);
1488 4548 int grp0 = sym0 >> 3;
1489
1490
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 4548 if (grp0)
1491 4396 decode_2x2_dc(gb, vlcs, coeffs, stride, 0, grp0, q_dc, q_ac);
1492
1493
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 4548 if (sym0 & 4) {
1494 3242 int grp = get_vlc2(gb, vlcs->l12[!is_luma], 9, 2);
1495 3242 decode_2x2(gb, vlcs, coeffs + 2, stride, 0, grp, q_ac);
1496 }
1497
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 4548 if (sym0 & 2) {
1498 2779 int grp = get_vlc2(gb, vlcs->l12[!is_luma], 9, 2);
1499 2779 decode_2x2(gb, vlcs, coeffs + 2*stride, stride, 1, grp, q_ac);
1500 }
1501
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 4548 if (sym0 & 1) {
1502 2478 int grp = get_vlc2(gb, vlcs->l3[!is_luma], 9, 2);
1503 2478 decode_2x2(gb, vlcs, coeffs + 2*stride + 2, stride, 0, grp, q_ac);
1504 }
1505 4548 }
1506
1507 7219 static void decode_4x4_block(GetBitContext * gb, const CoeffVLCs * vlcs, int is_luma, int16_t * coeffs, int stride, int q_ac)
1508 {
1509 7219 int sym0 = get_vlc2(gb, vlcs->l0[!is_luma], 9, 2);
1510 7219 int grp0 = (sym0 >> 3);
1511
1512
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 7219 if (grp0)
1513 6761 decode_2x2(gb, vlcs, coeffs, stride, 0, grp0, q_ac);
1514
1515
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 7219 if (sym0 & 4) {
1516 5569 int grp = get_vlc2(gb, vlcs->l12[!is_luma], 9, 2);
1517 5569 decode_2x2(gb, vlcs, coeffs + 2, stride, 0, grp, q_ac);
1518 }
1519
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 7219 if (sym0 & 2) {
1520 4954 int grp = get_vlc2(gb, vlcs->l12[!is_luma], 9, 2);
1521 4954 decode_2x2(gb, vlcs, coeffs + 2*stride, stride, 1, grp, q_ac);
1522 }
1523
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 7219 if (sym0 & 1) {
1524 4243 int grp = get_vlc2(gb, vlcs->l3[!is_luma], 9, 2);
1525 4243 decode_2x2(gb, vlcs, coeffs + 2*stride + 2, stride, 0, grp, q_ac);
1526 }
1527 7219 }
1528
1529 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)
1530 {
1531 139 int cb_set = get_c4x4_set(sel_qp, is_intra);
1532
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 139 const CoeffVLCs * vlc = is_intra ? &intra_coeff_vlc[cb_set] : &inter_coeff_vlc[cb_set];
1533 139 int q_y = rv60_quants_b[qp];
1534 139 int q_c_dc = rv60_quants_b[rv60_chroma_quant_dc[qp]];
1535 139 int q_c_ac = rv60_quants_b[rv60_chroma_quant_ac[qp]];
1536
1537 139 memset(y_coeffs, 0, sizeof(y_coeffs[0])*256);
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 2363 for (int i = 0; i < 16; i++)
1539
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 2224 if ((cbp >> i) & 1)
1540 979 decode_4x4_block(gb, vlc, 1, y_coeffs + i * 16 , 4, q_y);
1541
1542 139 memset(u_coeffs, 0, sizeof(u_coeffs[0])*64);
1543
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 695 for (int i = 0; i < 4; i++)
1544
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 556 if ((cbp >> (16 + i)) & 1)
1545 341 decode_4x4_block_dc(gb, vlc, 0, u_coeffs + i * 16, 4, q_c_dc, q_c_ac);
1546
1547 139 memset(v_coeffs, 0, sizeof(v_coeffs[0])*64);
1548
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 695 for (int i = 0; i < 4; i++)
1549
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 556 if ((cbp >> (20 + i)) & 1)
1550 335 decode_4x4_block_dc(gb, vlc, 0, v_coeffs + i * 16, 4, q_c_dc, q_c_ac);
1551 139 }
1552
1553 2387 static int decode_cbp8(GetBitContext * gb, int subset, int qp)
1554 {
1555 2387 int cb_set = rv60_qp_to_idx[qp];
1556 2387 return get_vlc2(gb, cbp8_vlc[cb_set][subset], 9, 2);
1557 }
1558
1559 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)
1560 {
1561 1901 int cb_set = get_c4x4_set(sel_qp, is_intra);
1562
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 1901 const CoeffVLCs * vlc = is_intra ? &intra_coeff_vlc[cb_set] : &inter_coeff_vlc[cb_set];
1563 1901 int q_y = rv60_quants_b[qp];
1564 1901 int q_c_dc = rv60_quants_b[rv60_chroma_quant_dc[qp]];
1565 1901 int q_c_ac = rv60_quants_b[rv60_chroma_quant_ac[qp]];
1566
1567 1901 memset(y_coeffs, 0, sizeof(y_coeffs[0])*64);
1568
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 9505 for (int i = 0; i < 4; i++) {
1569
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 7604 if ((ccbp >> i) & 1) {
1570 int offset, stride;
1571
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 4514 if (mode4x4) {
1572 2468 offset = i*16;
1573 2468 stride = 4;
1574 } else {
1575 2046 offset = (i & 1) * 4 + (i & 2) * 2 * 8;
1576 2046 stride = 8;
1577 }
1578 4514 decode_4x4_block(gb, vlc, 1, y_coeffs + offset, stride, q_y);
1579 }
1580 }
1581
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 1901 if ((ccbp >> 4) & 1) {
1583 1741 memset(u_coeffs, 0, sizeof(u_coeffs[0])*16);
1584 1741 decode_4x4_block_dc(gb, vlc, 0, u_coeffs, 4, q_c_dc, q_c_ac);
1585 }
1586
1587
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 1901 if ((ccbp >> 5) & 1) {
1588 1778 memset(v_coeffs, 0, sizeof(u_coeffs[0])*16);
1589 1778 decode_4x4_block_dc(gb, vlc, 0, v_coeffs, 4, q_c_dc, q_c_ac);
1590 }
1591 1901 }
1592
1593 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)
1594 {
1595 213 int cb_set = get_c4x4_set(sel_qp, is_intra);
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 213 const CoeffVLCs * vlc = is_intra ? &intra_coeff_vlc[cb_set] : &inter_coeff_vlc[cb_set];
1597 213 int q_y = rv60_quants_b[qp];
1598 213 int q_c_dc = rv60_quants_b[rv60_chroma_quant_dc[qp]];
1599 213 int q_c_ac = rv60_quants_b[rv60_chroma_quant_ac[qp]];
1600
1601 213 memset(y_coeffs, 0, sizeof(y_coeffs[0])*256);
1602
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 3621 for (int i = 0; i < 16; i++)
1603
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 3408 if ((ccbp >> i) & 1) {
1604 1230 int off = (i & 3) * 4 + (i >> 2) * 4 * 16;
1605 1230 decode_4x4_block(gb, vlc, 1, y_coeffs + off, 16, q_y);
1606 }
1607
1608 213 memset(u_coeffs, 0, sizeof(u_coeffs[0])*64);
1609
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 1065 for (int i = 0; i < 4; i++)
1610
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 852 if ((ccbp >> (16 + i)) & 1) {
1611 428 int off = (i & 1) * 4 + (i & 2) * 2 * 8;
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 428 if (!i)
1613 161 decode_4x4_block_dc(gb, vlc, 0, u_coeffs + off, 8, q_c_dc, q_c_ac);
1614 else
1615 267 decode_4x4_block(gb, vlc, 0, u_coeffs + off, 8, q_c_ac);
1616 }
1617
1618 213 memset(v_coeffs, 0, sizeof(v_coeffs[0])*64);
1619
2/2
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 1065 for (int i = 0; i < 4; i++)
1620
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 852 if ((ccbp >> (20 + i)) & 1) {
1621 421 int off = (i & 1) * 4 + (i & 2) * 2 * 8;
1622
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✓ Branch 1 taken 229 times.
 421 if (!i)
1623 192 decode_4x4_block_dc(gb, vlc, 0, v_coeffs + off, 8, q_c_dc, q_c_ac);
1624 else
1625 229 decode_4x4_block(gb, vlc, 0, v_coeffs + off, 8, q_c_ac);
1626 }
1627 213 }
1628
1629 352 static int decode_super_cbp(GetBitContext * gb, const VLCElem * vlc[4])
1630 {
1631 352 int sym0 = get_vlc2(gb, vlc[0], 9, 2);
1632 352 int sym1 = get_vlc2(gb, vlc[1], 9, 2);
1633 352 int sym2 = get_vlc2(gb, vlc[2], 9, 2);
1634 352 int sym3 = get_vlc2(gb, vlc[3], 9, 2);
1635 return 0
1636 352 + ((sym0 & 0x03) << 0)
1637 352 + ((sym0 & 0x0C) << 2)
1638 352 + ((sym0 & 0x10) << 12)
1639 352 + ((sym0 & 0x20) << 15)
1640 352 + ((sym1 & 0x03) << 2)
1641 352 + ((sym1 & 0x0C) << 4)
1642 352 + ((sym1 & 0x10) << 13)
1643 352 + ((sym1 & 0x20) << 16)
1644 352 + ((sym2 & 0x03) << 8)
1645 352 + ((sym2 & 0x0C) << 10)
1646 352 + ((sym2 & 0x10) << 14)
1647 352 + ((sym2 & 0x20) << 17)
1648 352 + ((sym3 & 0x03) << 10)
1649 352 + ((sym3 & 0x0C) << 12)
1650 352 + ((sym3 & 0x10) << 15)
1651 352 + ((sym3 & 0x20) << 18);
1652 }
1653
1654 352 static int decode_cbp16(GetBitContext * gb, int subset, int qp)
1655 {
1656 352 int cb_set = rv60_qp_to_idx[qp];
1657 352 return decode_super_cbp(gb, cbp16_vlc[cb_set][subset]);
1658 }
1659
1660 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)
1661 {
1662 7524 int size = 1 << log_size;
1663 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;
1664 int16_t y_coeffs[16*16], u_coeffs[8*8], v_coeffs[8*8];
1665 CUContext cu;
1666
1667
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 7524 if (xpos >= s->awidth || ypos >= s->aheight)
1668 630 return 0;
1669
1670
8/8
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✓ Branch 7 taken 1502 times.
✓ Branch 8 taken 1960 times.
 6894 split = xpos + size > s->awidth || ypos + size > s->aheight || (size > 8 && get_bits1(gb));
1671 6894 thread->cu_split[thread->cu_split_pos++] = split;
1672
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 6894 if (split) {
1673 1782 size >>= 1;
1674 1782 log_size -= 1;
1675
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✗ Branch 4 not taken.
 3564 if ((ret = decode_cu_r(s, frame, thread, gb, xpos, ypos, log_size, qp, sel_qp)) < 0 ||
1676
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 3564 (ret = decode_cu_r(s, frame, thread, gb, xpos + size, ypos, log_size, qp, sel_qp)) < 0 ||
1677
1/2
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✓ Branch 2 taken 1782 times.
 3564 (ret = decode_cu_r(s, frame, thread, gb, xpos, ypos + size, log_size, qp, sel_qp)) < 0 ||
1678 1782 (ret = decode_cu_r(s, frame, thread, gb, xpos + size, ypos + size, log_size, qp, sel_qp)) < 0)
1679 ✗ return ret;
1680 1782 return 0;
1681 }
1682
1683 5112 cu.xpos = xpos;
1684 5112 cu.ypos = ypos;
1685 5112 cu.pu_pos = (xpos >> 3) + (ypos >> 3) * s->pu_stride;
1686 5112 cu.blk_pos = (xpos >> 2) + (ypos >> 2) * s->blk_stride;
1687
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✓ Branch 1 taken 1949 times.
 5112 cu.cu_type = s->pict_type != AV_PICTURE_TYPE_I ? get_bits(gb, 2) : CU_INTRA;
1688
1689
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 5112 switch (cu.cu_type) {
1690 2293 case CU_INTRA:
1691
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✓ Branch 4 taken 762 times.
 2293 cu.pu_type = size == 8 && get_bits1(gb) ? PU_QUARTERS : PU_FULL;
1692
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 2293 if (cu.pu_type == PU_QUARTERS)
1693
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✓ Branch 1 taken 718 times.
 3590 for (int i = 0; i < 4; i++)
1694 2872 cu.imode[i] = read_intra_mode(gb, &cu.imode_param[i]);
1695
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✗ Branch 1 not taken.
 1575 else if (size <= 32)
1696 1575 cu.imode[0] = read_intra_mode(gb, &cu.imode_param[0]);
1697 else
1698 ✗ cu.imode[0] = get_bits1(gb) ? INTRAMODE_PLANE64 : INTRAMODE_DC64;
1699 2293 break;
1700 1007 case CU_INTER_MV:
1701
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 1007 cu.pu_type = get_bits(gb, size == 8 ? 2 : 3);
1702 1007 count = pu_type_num_parts(cu.pu_type);
1703
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 3005 for (int i = 0; i < count; i++)
1704 1998 read_mv_info(s, gb, &cu.mv[i], size, cu.pu_type);
1705 1007 break;
1706 1812 default:
1707 1812 cu.pu_type = PU_FULL;
1708 1812 cu.mv[0].mvref = skip_mv_ref[get_unary(gb, 0, 3)];
1709 1812 break;
1710 }
1711
1712 5112 reconstruct(s, &cu, size);
1713
1714
6/6
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✓ Branch 1 taken 2819 times.
✓ Branch 2 taken 1480 times.
✓ Branch 3 taken 813 times.
✓ Branch 4 taken 718 times.
✓ Branch 5 taken 762 times.
 5112 split_i4x4 = cu.cu_type == CU_INTRA && size == 8 && cu.pu_type == PU_QUARTERS;
1715
1716
2/2
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✓ Branch 1 taken 2819 times.
 5112 switch (cu.cu_type) {
1717 2293 case CU_INTRA:
1718 2293 imode = s->blk_info[cu.blk_pos].imode;
1719
2/2
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✓ Branch 1 taken 718 times.
 2293 if (!split_i4x4) {
1720 1575 int off = ypos * frame->linesize[0] + xpos;
1721 1575 populate_ipred(s, &cu, frame->data[0], frame->linesize[0], 0, 0, size, 1);
1722
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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)
1723 ✗ return AVERROR_INVALIDDATA;
1724 }
1725
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 6879 for (int plane = 1; plane < 3; plane++) {
1726 4586 int off = (ypos >> 1) * frame->linesize[plane] + (xpos >> 1);
1727 4586 populate_ipred(s, &cu, frame->data[plane], frame->linesize[plane], 0, 0, size >> 1, 0);
1728
1/2
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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)
1729 ✗ return AVERROR_INVALIDDATA;
1730 }
1731 2293 break;
1732 2819 default:
1733 2819 mv_x = xpos >> 2;
1734 2819 mv_y = ypos >> 2;
1735 2819 mv_pos = mv_y * s->blk_stride + mv_x;
1736 2819 count = pu_type_num_parts(cu.pu_type);
1737
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 6629 for (int part_no = 0; part_no < count; part_no++) {
1738 MVInfo mv;
1739 Dimensions dim;
1740 int bw, bh, bx, by;
1741
1742 3810 mv = s->blk_info[mv_pos].mv;
1743 3810 get_mv_dimensions(&dim, cu.pu_type, part_no, size);
1744 3810 bw = dim.w << 2;
1745 3810 bh = dim.h << 2;
1746 3810 bx = mv_x << 2;
1747 3810 by = mv_y << 2;
1748
1749
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 3810 if (!(mv.mvref & 2)) {
1750
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 2725 if (!s->last_frame[LAST_PIC]->data[0]) {
1751 ✗ av_log(s->avctx, AV_LOG_ERROR, "missing reference frame\n");
1752 ✗ return AVERROR_INVALIDDATA;
1753 }
1754 }
1755
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 3810 if (mv.mvref & 6) {
1756
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 1392 if (!s->last_frame[NEXT_PIC]->data[0]) {
1757 ✗ av_log(s->avctx, AV_LOG_ERROR, "missing reference frame\n");
1758 ✗ return AVERROR_INVALIDDATA;
1759 }
1760 }
1761
1762
4/5
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 3810 switch (mv.mvref) {
1763 2418 case MVREF_REF0:
1764 2418 mc(s, frame->data, frame->linesize, s->last_frame[LAST_PIC], bx, by, bw, bh, mv.f_mv, 0);
1765 2418 break;
1766 207 case MVREF_REF1:
1767 207 mc(s, frame->data, frame->linesize, s->last_frame[NEXT_PIC], bx, by, bw, bh, mv.f_mv, 0);
1768 207 break;
1769 878 case MVREF_BREF:
1770 878 mc(s, frame->data, frame->linesize, s->last_frame[NEXT_PIC], bx, by, bw, bh, mv.b_mv, 0);
1771 878 break;
1772 307 case MVREF_REF0ANDBREF:
1773 307 mc(s, frame->data, frame->linesize, s->last_frame[LAST_PIC], bx, by, bw, bh, mv.f_mv, 0);
1774 307 mc(s, thread->avg_data, thread->avg_linesize, s->last_frame[NEXT_PIC], bx, by, bw, bh, mv.b_mv, 1);
1775 307 avg(frame, thread->avg_data, thread->avg_linesize, bx, by, bw, bh);
1776 307 break;
1777 ✗ default:
1778 ✗ av_assert0(0); //should never reach here
1779 }
1780 3810 get_next_mv(s, &dim, cu.pu_type, part_no, &mv_pos, &mv_x, &mv_y);
1781 }
1782 2819 break;
1783 }
1784
1785
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 5112 if (cu.cu_type == CU_SKIP)
1786 1639 ttype = TRANSFORM_NONE;
1787
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 3473 else if (size >= 32)
1788 28 ttype = TRANSFORM_16X16;
1789
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 3445 else if (size == 16)
1790
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 1058 ttype = cu.cu_type == CU_INTRA || cu.pu_type == PU_FULL ? TRANSFORM_16X16 : TRANSFORM_4X4;
1791 else
1792
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 2387 ttype = cu.pu_type == PU_FULL ? TRANSFORM_8X8 : TRANSFORM_4X4;
1793
1794 5112 is_intra = cu.cu_type == CU_INTRA;
1795
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 5112 if (qp >= 32)
1796 ✗ return AVERROR_INVALIDDATA;
1797 5112 cu_pos = ((xpos & 63) >> 3) + ((ypos & 63) >> 3) * 8;
1798
1799
4/4
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 5112 switch (ttype) {
1800 1165 case TRANSFORM_4X4:
1801
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 1165 subset = is_intra ? 0 : 2;
1802
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 1165 if (size == 16) {
1803
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 148 int cbp16 = get_bits1(gb) ? decode_cbp16(gb, subset, sel_qp) : 0;
1804
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 148 if (cbp16) {
1805 139 decode_cu_4x4in16x16(gb, is_intra, qp, sel_qp, y_coeffs, u_coeffs, v_coeffs, cbp16);
1806
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 695 for (int y = 0; y < 4; y++)
1807
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 2780 for (int x = 0; x < 4; x++) {
1808 2224 int i = y*4 + x;
1809
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✓ Branch 1 taken 1245 times.
 2224 if ((cbp16 >> i) & 1) {
1810 979 int off = (ypos + y * 4)*frame->linesize[0] + xpos + x * 4;
1811 979 ff_rv60_idct4x4_add(y_coeffs + i*16, frame->data[0] + off, frame->linesize[0]);
1812 979 thread->coded_blk[cu_pos + (y/2)*8 + (x/2)] = 1;
1813 }
1814 }
1815
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 417 for (int y = 0; y < 2; y++)
1816
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 834 for (int x = 0; x < 2; x++) {
1817 556 int i = y * 2 + x;
1818 556 int xoff = (xpos >> 1) + x * 4;
1819 556 int yoff = (ypos >> 1) + y * 4;
1820
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 556 if ((cbp16 >> (16 + i)) & 1) {
1821 341 int off = yoff * frame->linesize[1] + xoff;
1822 341 ff_rv60_idct4x4_add(u_coeffs + i * 16, frame->data[1] + off, frame->linesize[1]);
1823 341 thread->coded_blk[cu_pos + y*8 + x] = 1;
1824 }
1825
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 556 if ((cbp16 >> (20 + i)) & 1) {
1826 335 int off = yoff * frame->linesize[2] + xoff;
1827 335 ff_rv60_idct4x4_add(v_coeffs + i * 16, frame->data[2] + off, frame->linesize[2]);
1828 335 thread->coded_blk[cu_pos + y*8 + x] = 1;
1829 }
1830 }
1831 }
1832 } else {
1833 1017 cbp8 = decode_cbp8(gb, subset, sel_qp);
1834
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✓ Branch 1 taken 50 times.
 1017 if (cbp8) {
1835 967 thread->coded_blk[cu_pos] = 1;
1836 967 decode_cu_8x8(gb, is_intra, qp, sel_qp, y_coeffs, u_coeffs, v_coeffs, cbp8, 1);
1837 }
1838
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 5085 for (int i = 0; i < 4; i++) {
1839 4068 int xoff = (i & 1) << 2;
1840 4068 int yoff = (i & 2) << 1;
1841
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 4068 if (split_i4x4) {
1842 2872 int off = (ypos + yoff) * frame->linesize[0] + xpos + xoff;
1843 2872 int imode = s->blk_info[cu.blk_pos + (i >> 1) * s->blk_stride + (i & 1)].imode;
1844 2872 populate_ipred(s, &cu, frame->data[0], frame->linesize[0], xoff, yoff, 4, 1);
1845
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✓ Branch 2 taken 2872 times.
 2872 if (pred_angle(&cu.ipred, frame->data[0] + off, frame->linesize[0], 4, imode, 1) < 0)
1846 ✗ return AVERROR_INVALIDDATA;
1847 }
1848
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 4068 if ((cbp8 >> i) & 1) {
1849 2468 int off = (ypos + yoff) * frame->linesize[0] + xpos + xoff;
1850 2468 ff_rv60_idct4x4_add(y_coeffs + i * 16, frame->data[0] + off, frame->linesize[0]);
1851 }
1852 }
1853
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 1017 if ((cbp8 >> 4) & 1) {
1854 935 int off = (ypos >> 1) * frame->linesize[1] + (xpos >> 1);
1855 935 ff_rv60_idct4x4_add(u_coeffs, frame->data[1] + off, frame->linesize[1]);
1856 }
1857
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 1017 if ((cbp8 >> 5) & 1) {
1858 936 int off = (ypos >> 1) * frame->linesize[2] + (xpos >> 1);
1859 936 ff_rv60_idct4x4_add(v_coeffs, frame->data[2] + off, frame->linesize[2]);
1860 }
1861 }
1862 1165 break;
1863 1370 case TRANSFORM_8X8:
1864
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 1370 subset = is_intra ? 1 : 3;
1865 1370 cbp8 = decode_cbp8(gb, subset, sel_qp);
1866
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 1370 if (cbp8) {
1867 934 thread->coded_blk[cu_pos] = 1;
1868 934 decode_cu_8x8(gb, is_intra, qp, sel_qp, y_coeffs, u_coeffs, v_coeffs, cbp8, 0);
1869
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 934 if (cbp8 & 0xF) {
1870 851 int off = ypos * frame->linesize[0] + xpos;
1871 851 ff_rv60_idct8x8_add(y_coeffs, frame->data[0] + off, frame->linesize[0]);
1872 }
1873
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 934 if ((cbp8 >> 4) & 1) {
1874 806 int off = (ypos >> 1) * frame->linesize[1] + (xpos >> 1);
1875 806 ff_rv60_idct4x4_add(u_coeffs, frame->data[1] + off, frame->linesize[1]);
1876 }
1877
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 934 if ((cbp8 >> 5) & 1) {
1878 842 int off = (ypos >> 1) * frame->linesize[2] + (xpos >> 1);
1879 842 ff_rv60_idct4x4_add(v_coeffs, frame->data[2] + off, frame->linesize[2]);
1880 }
1881 }
1882 1370 break;
1883 938 case TRANSFORM_16X16:
1884
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 938 subset = is_intra ? 1 : 3;
1885 938 num_clusters = size >> 4;
1886 938 cl_cbp = get_bits(gb, num_clusters * num_clusters);
1887
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 1904 for (int y = 0; y < num_clusters; y++) {
1888
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 1988 for (int x = 0; x < num_clusters; x++) {
1889
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 1022 if (!((cl_cbp >> (y*num_clusters + x)) & 1))
1890 809 continue;
1891 213 thread->coded_blk[cu_pos + y*2*8 + x*2 + 0] = 1;
1892 213 thread->coded_blk[cu_pos + y*2*8 + x*2 + 1] = 1;
1893 213 thread->coded_blk[cu_pos + y*2*8 + x*2 + 8] = 1;
1894 213 thread->coded_blk[cu_pos + y*2*8 + x*2 + 9] = 1;
1895 213 super_cbp = decode_cbp16(gb, subset, sel_qp);
1896
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✗ Branch 1 not taken.
 213 if (super_cbp) {
1897 213 decode_cu_16x16(gb, is_intra, qp, sel_qp, y_coeffs, u_coeffs, v_coeffs, super_cbp);
1898
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 213 if (super_cbp & 0xFFFF) {
1899 171 int off = (ypos + y * 16) * frame->linesize[0] + xpos + x * 16;
1900 171 ff_rv60_idct16x16_add(y_coeffs, frame->data[0] + off, frame->linesize[0]);
1901 }
1902
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 213 if ((super_cbp >> 16) & 0xF) {
1903 162 int off = ((ypos >> 1) + y * 8) * frame->linesize[1] + (xpos >> 1) + x * 8;
1904 162 ff_rv60_idct8x8_add(u_coeffs, frame->data[1] + off, frame->linesize[1]);
1905 }
1906
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 213 if ((super_cbp >> 20) & 0xF) {
1907 194 int off = ((ypos >> 1) + y * 8) * frame->linesize[2] + (xpos >> 1) + x * 8;
1908 194 ff_rv60_idct8x8_add(v_coeffs, frame->data[2] + off, frame->linesize[2]);
1909 }
1910 }
1911 }
1912 }
1913 938 break;
1914 }
1915
1916 5112 return 0;
1917 }
1918
1919 19711 static int deblock_get_pos(RV60Context * s, int xpos, int ypos)
1920 {
1921 19711 return (ypos >> 2) * s->dblk_stride + (xpos >> 2);
1922 }
1923
1924 7779 static void deblock_set_strength(RV60Context * s, int xpos, int ypos, int size, int q, int strength)
1925 {
1926 7779 int pos = deblock_get_pos(s, xpos, ypos);
1927 7779 int dsize = size >> 2;
1928 7779 int dval = (q << 2) + strength;
1929
1930
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 31407 for (int x = 0; x < dsize; x++) {
1931 23628 s->top_str[pos + x] = dval;
1932 23628 s->top_str[pos + (dsize - 1)*s->dblk_stride + x] = dval;
1933 }
1934
1935
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 31407 for (int y = 0; y < dsize; y++) {
1936 23628 s->left_str[pos + y*s->dblk_stride] = dval;
1937 23628 s->left_str[pos + y*s->dblk_stride + dsize - 1] = dval;
1938 }
1939 7779 }
1940
1941 13514 static int deblock_get_top_strength(const RV60Context * s, int pos)
1942 {
1943 13514 return s->top_str[pos] & 3;
1944 }
1945
1946 13716 static int deblock_get_left_strength(const RV60Context * s, int pos)
1947 {
1948 13716 return s->left_str[pos] & 3;
1949 }
1950
1951 1770 static void deblock_set_top_strength(RV60Context * s, int pos, int strength)
1952 {
1953 1770 s->top_str[pos] |= strength;
1954 1770 }
1955
1956 1216 static void deblock_set_left_strength(RV60Context * s, int pos, int strength)
1957 {
1958 1216 s->left_str[pos] |= strength;
1959 1216 }
1960
1961 4153 static void derive_deblock_strength(RV60Context * s, int xpos, int ypos, int size)
1962 {
1963 4153 int blk_pos = (ypos >> 2) * s->blk_stride + (xpos >> 2);
1964 4153 int dblk_pos = deblock_get_pos(s, xpos, ypos);
1965
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 4153 if (ypos > 0)
1966
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 17364 for (int i = 0; i < size; i++)
1967
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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))
1968 1770 deblock_set_top_strength(s, dblk_pos + i, 1);
1969
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 4153 if (xpos > 0)
1970
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 17621 for (int i = 0; i < size; i++)
1971
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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))
1972 1216 deblock_set_left_strength(s, dblk_pos + i *s->dblk_stride, 1);
1973 4153 }
1974
1975 #define STRENGTH(el, lim) (FFABS(el) < (lim) ? 3 : 1)
1976 #define CLIP_SYMM(a, b) av_clip(a, -(b), b)
1977
1978 23366 static void filter_luma_edge(uint8_t * dst, int step, int stride, int mode1, int mode2, int lim1, int lim2)
1979 {
1980 int16_t diff_q1q0[4];
1981 int16_t diff_p1p0[4];
1982 int str_p, str_q, msum, maxprod, weak;
1983
1984
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 116830 for (int i = 0; i < 4; i++) {
1985 93464 diff_q1q0[i] = dst[i * stride - 2*step] - dst[i*stride - step];
1986 93464 diff_p1p0[i] = dst[i * stride + step] - dst[i*stride];
1987 }
1988
1989
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 23366 str_p = STRENGTH(diff_q1q0[0] + diff_q1q0[1] + diff_q1q0[2] + diff_q1q0[3], lim2);
1990
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 23366 str_q = STRENGTH(diff_p1p0[0] + diff_p1p0[1] + diff_p1p0[2] + diff_p1p0[3], lim2);
1991
1992
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 23366 if (str_p + str_q <= 2)
1993 22045 return;
1994
1995 1321 msum = (mode1 + mode2 + str_q + str_p) >> 1;
1996
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 1321 if (str_q == 1 || str_p == 1) {
1997 102 maxprod = 384;
1998 102 weak = 1;
1999 } else {
2000 1219 maxprod = 256;
2001 1219 weak = 0;
2002 }
2003
2004
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 6605 for (int y = 0; y < 4; y++) {
2005 5284 int diff_p0q0 = dst[0] - dst[-step];
2006 5284 int result = (lim1 * FFABS(diff_p0q0)) & -128;
2007
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 5284 if (diff_p0q0 && result <= maxprod) {
2008 2011 int diff_q1q2 = dst[-2*step] - dst[-3*step];
2009 2011 int diff_p1p2 = dst[step] - dst[2*step];
2010 int delta;
2011
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 2011 if (weak) {
2012 126 delta = CLIP_SYMM((diff_p0q0 + 1) >> 1, msum >> 1);
2013 } else {
2014 1885 int diff_strg = (dst[-2*step] - dst[step] + 4 * diff_p0q0 + 4) >> 3;
2015 1885 delta = CLIP_SYMM(diff_strg, msum);
2016 }
2017 2011 dst[-step] = av_clip_uint8(dst[-step] + delta);
2018 2011 dst[0] = av_clip_uint8(dst[0] - delta);
2019
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 2011 if (str_p != 1 && FFABS(diff_q1q2) <= (lim2 >> 2)) {
2020 1253 int diff = (diff_q1q0[y] + diff_q1q2 - delta) >> 1;
2021
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 1253 int delta_q1 = weak ? CLIP_SYMM(diff, mode1 >> 1) : CLIP_SYMM(diff, mode1);
2022 1253 dst[-2 * step] = av_clip_uint8(dst[-2*step] - delta_q1);
2023 }
2024
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 2011 if (str_q != 1 && FFABS(diff_p1p2) <= (lim2 >> 2)) {
2025 1733 int diff = (diff_p1p0[y] + diff_p1p2 + delta) >> 1;
2026
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 1733 int delta_p1 = weak ? CLIP_SYMM(diff, mode2 >> 1) : CLIP_SYMM(diff, mode2);
2027 1733 dst[step] = av_clip_uint8(dst[step] - delta_p1);
2028 }
2029 }
2030 5284 dst += stride;
2031 }
2032 }
2033
2034 26792 static void filter_chroma_edge(uint8_t * dst, int step, int stride, int mode1, int mode2, int lim1, int lim2)
2035 {
2036 26792 int diff_q = 4 * FFABS(dst[-2*step] - dst[-step]);
2037 26792 int diff_p = 4 * FFABS(dst[ step] - dst[0]);
2038
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 26792 int str_q = STRENGTH(diff_q, lim2);
2039
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 26792 int str_p = STRENGTH(diff_p, lim2);
2040 int msum, maxprod, weak;
2041
2042
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 26792 if (str_p + str_q <= 2)
2043 26545 return;
2044
2045 247 msum = (mode1 + mode2 + str_q + str_p) >> 1;
2046
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 247 if (str_q == 1 || str_p == 1) {
2047 145 maxprod = 384;
2048 145 weak = 1;
2049 } else {
2050 102 maxprod = 256;
2051 102 weak = 0;
2052 }
2053
2054
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 741 for (int y = 0; y < 2; y++) {
2055 494 int diff_pq = dst[0] - dst[-step];
2056 494 int result = (lim1 * FFABS(diff_pq)) & -128;
2057
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 494 if (diff_pq && result <= maxprod) {
2058 int delta;
2059
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 195 if (weak) {
2060 111 delta = CLIP_SYMM((diff_pq + 1) >> 1, msum >> 1);
2061 } else {
2062 84 int diff_strg = (dst[-2*step] - dst[step] + 4 * diff_pq + 4) >> 3;
2063 84 delta = CLIP_SYMM(diff_strg, msum);
2064 }
2065 195 dst[-step] = av_clip_uint8(dst[-step] + delta);
2066 195 dst[ 0 ] = av_clip_uint8(dst[ 0 ] - delta);
2067 }
2068 494 dst += stride;
2069 }
2070 }
2071
2072 11120 static void deblock_edge_ver(AVFrame * frame, int xpos, int ypos, int dblk_l, int dblk_r, int deblock_chroma)
2073 {
2074 11120 int qp_l = dblk_l >> 2;
2075 11120 int str_l = dblk_l & 3;
2076 11120 int qp_r = dblk_r >> 2;
2077 11120 int str_r = dblk_r & 3;
2078 11120 const uint8_t * dl_l = rv60_deblock_limits[qp_l];
2079 11120 const uint8_t * dl_r = rv60_deblock_limits[qp_r];
2080
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 11120 int mode_l = str_l ? dl_l[str_l - 1] : 0;
2081
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 11120 int mode_r = str_r ? dl_r[str_r - 1] : 0;
2082 11120 int lim1 = dl_r[2];
2083 11120 int lim2 = dl_r[3] * 4;
2084
2085 11120 filter_luma_edge(frame->data[0] + ypos * frame->linesize[0] + xpos, 1, frame->linesize[0], mode_l, mode_r, lim1, lim2);
2086
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 11120 if ((str_l | str_r) >= 2 && deblock_chroma)
2087
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 19980 for (int plane = 1; plane < 3; plane++)
2088 13320 filter_chroma_edge(frame->data[plane] + (ypos >> 1) * frame->linesize[plane] + (xpos >> 1), 1, frame->linesize[plane], mode_l, mode_r, lim1, lim2);
2089 11120 }
2090
2091 12246 static void deblock_edge_hor(AVFrame * frame, int xpos, int ypos, int dblk_t, int dblk_d, int deblock_chroma)
2092 {
2093 12246 int qp_t = dblk_t >> 2;
2094 12246 int str_t = dblk_t & 3;
2095 12246 int qp_d = dblk_d >> 2;
2096 12246 int str_d = dblk_d & 3;
2097 12246 const uint8_t * dl_t = rv60_deblock_limits[qp_t];
2098 12246 const uint8_t * dl_d = rv60_deblock_limits[qp_d];
2099
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 12246 int mode_t = str_t ? dl_t[str_t - 1] : 0;
2100
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 12246 int mode_d = str_d ? dl_d[str_d - 1] : 0;
2101 12246 int lim1 = dl_d[2];
2102 12246 int lim2 = dl_d[3] * 4;
2103
2104 12246 filter_luma_edge(frame->data[0] + ypos * frame->linesize[0] + xpos, frame->linesize[0], 1, mode_t, mode_d, lim1, lim2);
2105
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 12246 if ((str_t | str_d) >= 2 && deblock_chroma)
2106
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 20208 for (int plane = 1; plane < 3; plane++)
2107 13472 filter_chroma_edge(frame->data[plane] + (ypos >> 1) * frame->linesize[plane] + (xpos >> 1), frame->linesize[plane], 1, mode_t, mode_d, lim1, lim2);
2108 12246 }
2109
2110 15849 static void deblock8x8(const RV60Context * s, AVFrame * frame, int xpos, int ypos, int dblkpos)
2111 {
2112
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 15849 if (xpos > 0) {
2113
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 15243 if (ypos > 0) {
2114 14676 int str_l = s->left_str[dblkpos - s->dblk_stride - 1];
2115 14676 int str_r = s->left_str[dblkpos - s->dblk_stride];
2116
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 14676 if ((str_l | str_r) & 3)
2117 5422 deblock_edge_ver(frame, xpos, ypos - 4, str_l, str_r, s->deblock_chroma);
2118 }
2119 {
2120 15243 int str_l = s->left_str[dblkpos - 1];
2121 15243 int str_r = s->left_str[dblkpos];
2122
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 15243 if ((str_l | str_r) & 3)
2123 5563 deblock_edge_ver(frame, xpos, ypos, str_l, str_r, s->deblock_chroma);
2124 }
2125
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 15243 if (ypos + 8 >= s->aheight) {
2126 312 int str_l = s->left_str[dblkpos + s->dblk_stride - 1];
2127 312 int str_r = s->left_str[dblkpos + s->dblk_stride];
2128
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 312 if ((str_l | str_r) & 3)
2129 135 deblock_edge_ver(frame, xpos, ypos + 4, str_l, str_r, s->deblock_chroma);
2130 }
2131 }
2132
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 15849 if (ypos > 0) {
2133
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 15243 if (xpos > 0) {
2134 14676 int str_t = s->top_str[dblkpos - s->dblk_stride - 1];
2135 14676 int str_d = s->top_str[dblkpos - 1];
2136
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 14676 if ((str_t | str_d) & 3)
2137 5906 deblock_edge_hor(frame, xpos - 4, ypos, str_t, str_d, s->deblock_chroma);
2138 }
2139 {
2140 15243 int str_t = s->top_str[dblkpos - s->dblk_stride];
2141 15243 int str_d = s->top_str[dblkpos];
2142
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 15243 if ((str_t | str_d) & 3)
2143 6120 deblock_edge_hor(frame, xpos, ypos, str_t, str_d, s->deblock_chroma);
2144 }
2145
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 15243 if (xpos + 8 >= s->awidth) {
2146 345 int str_t = s->top_str[dblkpos - s->dblk_stride + 1];
2147 345 int str_d = s->top_str[dblkpos + 1];
2148
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✓ Branch 1 taken 125 times.
 345 if ((str_t | str_d) & 3)
2149 220 deblock_edge_hor(frame, xpos + 4, ypos, str_t, str_d, s->deblock_chroma);
2150 }
2151 }
2152 15849 }
2153
2154 7779 static void deblock(const RV60Context * s, AVFrame * frame, int xpos, int ypos, int size, int dpos)
2155 {
2156
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 19593 for (int x = 0; x < size >> 3; x++)
2157 11814 deblock8x8(s, frame, xpos + x * 8, ypos, dpos + x * 2);
2158
2159
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 11814 for (int y = 1; y < size >> 3; y++)
2160 4035 deblock8x8(s, frame, xpos, ypos + y * 8, dpos + y * 2 * s->dblk_stride);
2161 7779 }
2162
2163 7524 static void deblock_cu_r(RV60Context * s, AVFrame * frame, ThreadContext * thread, int xpos, int ypos, int log_size, int qp)
2164 {
2165 int pu_pos, tsize, ntiles;
2166 enum CUType cu_type;
2167
2168
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 7524 if (xpos >= s->awidth || ypos >= s->aheight)
2169 630 return;
2170
2171
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 6894 if (thread->cu_split[thread->cu_split_pos++]) {
2172 1782 int hsize = 1 << (log_size - 1);
2173 1782 log_size--;
2174 1782 deblock_cu_r(s, frame, thread, xpos, ypos, log_size, qp);
2175 1782 deblock_cu_r(s, frame, thread, xpos + hsize, ypos, log_size, qp);
2176 1782 deblock_cu_r(s, frame, thread, xpos, ypos + hsize, log_size, qp);
2177 1782 deblock_cu_r(s, frame, thread, xpos + hsize, ypos + hsize, log_size, qp);
2178 1782 return;
2179 }
2180
2181 5112 pu_pos = (ypos >> 3) * s->pu_stride + (xpos >> 3);
2182 5112 cu_type = s->pu_info[pu_pos].cu_type;
2183
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 5112 switch (log_size) {
2184 3152 case 3: tsize = 3; break;
2185
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 1683 case 4: tsize = cu_type && s->pu_info[pu_pos].pu_type ? 3 : 4; break;
2186 277 case 5:
2187 277 case 6: tsize = 4; break;
2188 }
2189 5112 ntiles = 1 << (log_size - tsize);
2190
2191
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 10881 for (int ty = 0; ty < ntiles; ty++)
2192
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 13548 for (int tx = 0; tx < ntiles; tx++) {
2193 7779 int x = xpos + (tx << tsize);
2194 7779 int y = ypos + (ty << tsize);
2195 7779 int cu_pos = ((y & 63) >> 3) * 8 + ((x & 63) >> 3);
2196
2197
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 7779 if (cu_type == CU_INTRA)
2198 2293 deblock_set_strength(s, x, y, 1 << tsize, qp, 2);
2199
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 5486 else if (cu_type != CU_SKIP && thread->coded_blk[cu_pos])
2200 1333 deblock_set_strength(s, x, y, 1 << tsize, qp, 1);
2201 else {
2202 4153 deblock_set_strength(s, x, y, 1 << tsize, qp, 0);
2203 4153 derive_deblock_strength(s, x, y, 1 << (tsize - 2));
2204 }
2205
2206 7779 deblock(s, frame, x, y, 1 << tsize, deblock_get_pos(s, x, y));
2207 }
2208 }
2209
2210 396 static int read_qp_offset(GetBitContext *gb, int qp_off_type)
2211 {
2212 int val;
2213
2214
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 396 switch (qp_off_type) {
2215 396 case 0:
2216 396 return 0;
2217 ✗ case 1:
2218 ✗ val = read_code012(gb);
2219 ✗ return val != 2 ? val : -1;
2220 ✗ default:
2221 ✗ if (!get_bits1(gb))
2222 ✗ return 0;
2223 ✗ val = get_bits(gb, 2);
2224 ✗ if (!(val & 2))
2225 ✗ return val + 1;
2226 else
2227 ✗ return -((val & 1) + 1);
2228 }
2229 }
2230
2231 396 static int calc_sel_qp(int osvquant, int qp)
2232 {
2233
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 396 switch (osvquant) {
2234 140 case 0: return qp;
2235 ✗ case 1: return qp <= 25 ? qp + 5 : qp;
2236 256 default:
2237
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 256 if (qp <= 18)
2238 256 return qp + 10;
2239 ✗ else if (qp <= 25)
2240 ✗ return qp + 5;
2241 else
2242 ✗ return qp;
2243 }
2244 }
2245
2246 102 static int decode_slice(AVCodecContext *avctx, void *tdata, int cu_y, int threadnr)
2247 {
2248 102 RV60Context *s = avctx->priv_data;
2249 102 AVFrame * frame = tdata;
2250 ThreadContext thread;
2251 GetBitContext gb;
2252 int qp, sel_qp, ret;
2253
2254 102 thread.avg_data[0] = thread.avg_buffer;
2255 102 thread.avg_data[1] = thread.avg_buffer + 64*64;
2256 102 thread.avg_data[2] = thread.avg_buffer + 64*64 + 32*32;
2257 102 thread.avg_linesize[0] = 64;
2258 102 thread.avg_linesize[1] = 32;
2259 102 thread.avg_linesize[2] = 32;
2260
2261
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 102 if ((ret = init_get_bits8(&gb, s->slice[cu_y].data, s->slice[cu_y].data_size)) < 0)
2262 ✗ return ret;
2263
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 498 for (int cu_x = 0; cu_x < s->cu_width; cu_x++) {
2265
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 396 if ((s->avctx->active_thread_type & FF_THREAD_SLICE) && cu_y)
2266 ✗ ff_thread_progress_await(&s->progress[cu_y - 1], cu_x + 2);
2267
2268 396 qp = s->qp + read_qp_offset(&gb, s->qp_off_type);
2269
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 396 if (qp < 0 || qp >= 64) {
2270 ✗ ret = AVERROR_INVALIDDATA;
2271 ✗ break;
2272 }
2273 396 sel_qp = calc_sel_qp(s->osvquant, qp);
2274
2275 396 memset(thread.coded_blk, 0, sizeof(thread.coded_blk));
2276 396 thread.cu_split_pos = 0;
2277
2278
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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)
2279 ✗ break;
2280
2281
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 396 if (s->deblock) {
2282 396 thread.cu_split_pos = 0;
2283 396 deblock_cu_r(s, frame, &thread, cu_x << 6, cu_y << 6, 6, qp);
2284 }
2285
2286
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 396 if (s->avctx->active_thread_type & FF_THREAD_SLICE)
2287 ✗ ff_thread_progress_report(&s->progress[cu_y], cu_x + 1);
2288 }
2289
2290
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 102 if (s->avctx->active_thread_type & FF_THREAD_SLICE)
2291 ✗ ff_thread_progress_report(&s->progress[cu_y], INT_MAX);
2292
2293 102 return ret;
2294 }
2295
2296 43 static int rv60_decode_frame(AVCodecContext *avctx, AVFrame * frame,
2297 int * got_frame, AVPacket * avpkt)
2298 {
2299 43 RV60Context *s = avctx->priv_data;
2300 GetBitContext gb;
2301 int ret, header_size, width, height, ofs;
2302
2303
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 43 if (avpkt->size == 0) {
2304
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 4 if (s->last_frame[NEXT_PIC]->data[0]) {
2305 2 av_frame_move_ref(frame, s->last_frame[NEXT_PIC]);
2306 2 *got_frame = 1;
2307 }
2308 4 return 0;
2309 }
2310
2311
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 39 if (avpkt->size < 9)
2312 ✗ return AVERROR_INVALIDDATA;
2313
2314 39 header_size = avpkt->data[0] * 8 + 9;
2315
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 39 if (avpkt->size < header_size)
2316 ✗ return AVERROR_INVALIDDATA;
2317
2318
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 39 if ((ret = init_get_bits8(&gb, avpkt->data + header_size, avpkt->size - header_size)) < 0)
2319 ✗ return ret;
2320
2321
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 39 if ((ret = read_frame_header(s, &gb, &width, &height)) < 0)
2322 ✗ return ret;
2323
2324
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 39 if (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B ||
2325
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 39 avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type != AV_PICTURE_TYPE_I ||
2326
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 39 avctx->skip_frame >= AVDISCARD_ALL)
2327 ✗ return avpkt->size;
2328
2329
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 39 if (s->pict_type != AV_PICTURE_TYPE_B)
2330 15 FFSWAP(AVFrame *, s->last_frame[NEXT_PIC], s->last_frame[LAST_PIC]);
2331
2332
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 39 if ((s->pict_type == AV_PICTURE_TYPE_P && !s->last_frame[LAST_PIC]->data[0]) ||
2333
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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]))) {
2334 ✗ av_log(s->avctx, AV_LOG_ERROR, "missing reference frame\n");
2335 ✗ return AVERROR_INVALIDDATA;
2336 }
2337
2338 39 s->last_frame[CUR_PIC]->pict_type = s->pict_type;
2339
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 39 if (s->pict_type == AV_PICTURE_TYPE_I)
2340 2 s->last_frame[CUR_PIC]->flags |= AV_FRAME_FLAG_KEY;
2341
2342
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 39 if ((ret = update_dimensions_clear_info(s, width, height)) < 0)
2343 ✗ return ret;
2344
2345
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 39 if (!s->last_frame[CUR_PIC]->data[0])
2346
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 39 if ((ret = ff_get_buffer(avctx, s->last_frame[CUR_PIC], 0)) < 0)
2347 ✗ return ret;
2348
2349
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 39 if ((ret = read_slice_sizes(s, &gb)) < 0)
2350 ✗ return ret;
2351
2352 39 ofs = get_bits_count(&gb) / 8;
2353
2354
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 141 for (int i = 0; i < s->cu_height; i++) {
2355
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 102 if (ofs >= avpkt->size - header_size)
2356 ✗ return AVERROR_INVALIDDATA;
2357 102 s->slice[i].data = avpkt->data + header_size + ofs;
2358 102 s->slice[i].data_size = FFMIN(s->slice[i].size, avpkt->size - header_size - ofs);
2359
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 102 if (s->slice[i].size > INT32_MAX - ofs)
2360 ✗ return AVERROR_INVALIDDATA;
2361 102 ofs += s->slice[i].size;
2362 }
2363
2364 39 ret = progress_init(s, s->cu_height);
2365
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 39 if (ret < 0)
2366 ✗ return ret;
2367
2368 39 s->avctx->execute2(s->avctx, decode_slice, s->last_frame[CUR_PIC], NULL, s->cu_height);
2369
2370 39 ret = 0;
2371
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 39 if (s->pict_type == AV_PICTURE_TYPE_B)
2372 24 av_frame_move_ref(frame, s->last_frame[CUR_PIC]);
2373
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 15 else if (s->last_frame[LAST_PIC]->data[0])
2374 13 ret = av_frame_ref(frame, s->last_frame[LAST_PIC]);
2375
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 39 if (ret < 0)
2376 ✗ return ret;
2377
2378
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 39 if (frame->data[0])
2379 37 *got_frame = 1;
2380
2381
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 39 if (s->pict_type != AV_PICTURE_TYPE_B) {
2382 15 av_frame_unref(s->last_frame[NEXT_PIC]);
2383 15 FFSWAP(AVFrame *, s->last_frame[CUR_PIC], s->last_frame[NEXT_PIC]);
2384 }
2385
2386
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 39 if (s->pict_type != AV_PICTURE_TYPE_B) {
2387 15 s->ref_pts[0] = s->ref_pts[1];
2388 15 s->ref_pts[1] = avpkt->pts;
2389
2390 15 s->ref_ts[0] = s->ref_ts[1];
2391 15 s->ref_ts[1] = s->ts;
2392
2393
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 15 if (s->ref_pts[1] > s->ref_pts[0] && s->ref_ts[1] > s->ref_ts[0])
2394 13 s->ts_scale = (s->ref_pts[1] - s->ref_pts[0]) / (s->ref_ts[1] - s->ref_ts[0]);
2395 } else {
2396 24 frame->pts = s->ref_pts[0] + (s->ts - s->ref_ts[0]) * s->ts_scale;
2397 }
2398
2399 39 return avpkt->size;
2400 }
2401
2402 ✗ static av_cold void rv60_flush(AVCodecContext *avctx)
2403 {
2404 ✗ RV60Context *s = avctx->priv_data;
2405
2406 ✗ for (int i = 0; i < 3; i++)
2407 ✗ av_frame_unref(s->last_frame[i]);
2408 ✗ }
2409
2410 4 static av_cold int rv60_decode_end(AVCodecContext * avctx)
2411 {
2412 4 RV60Context *s = avctx->priv_data;
2413
2414
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 16 for (int i = 0; i < 3; i++)
2415 12 av_frame_free(&s->last_frame[i]);
2416
2417 4 av_freep(&s->slice);
2418 4 av_freep(&s->pu_info);
2419 4 av_freep(&s->blk_info);
2420 4 av_freep(&s->top_str);
2421 4 av_freep(&s->left_str);
2422
2423
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 14 for (int i = 0; i < s->nb_progress; i++)
2424 10 ff_thread_progress_destroy(&s->progress[i]);
2425 4 av_freep(&s->progress);
2426
2427 4 return 0;
2428 }
2429
2430 const FFCodec ff_rv60_decoder = {
2431 .p.name = "rv60",
2432 CODEC_LONG_NAME("RealVideo 6.0"),
2433 .p.type = AVMEDIA_TYPE_VIDEO,
2434 .p.id = AV_CODEC_ID_RV60,
2435 .priv_data_size = sizeof(RV60Context),
2436 .init = rv60_decode_init,
2437 .close = rv60_decode_end,
2438 FF_CODEC_DECODE_CB(rv60_decode_frame),
2439 .flush = rv60_flush,
2440 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY | AV_CODEC_CAP_SLICE_THREADS,
2441 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
2442 };
2443