FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/rv60dec.c
Date: 2025-10-10 03:51:19
Exec Total Coverage
Lines: 1315 1456 90.3%
Functions: 87 89 97.8%
Branches: 877 1100 79.7%

Line Branch Exec Source
1 /*
2 * RV60 decoder
3 * Copyright (c) 2007 Mike Melanson, Konstantin Shishkov
4 * Copyright (C) 2023 Peter Ross
5 *
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23 #include "avcodec.h"
24 #include "codec_internal.h"
25 #include "decode.h"
26 #include "get_bits.h"
27 #include "golomb.h"
28 #include "libavutil/mem.h"
29 #include "rv60data.h"
30 #include "rv60dsp.h"
31 #include "rv60vlcs.h"
32 #include "threadprogress.h"
33 #include "unary.h"
34 #include "videodsp.h"
35
36 #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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16 for (int i = 0; i < 7; i++)
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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56 for (int j = 0; j < 3; j++)
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
315
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1671 for (int j = 0; j < s->cu_height << 4; j++)
316
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103008 for (int i = 0; i < s->cu_width << 4; i++)
317 101376 s->blk_info[j*s->blk_stride + i].mv.mvref = MVREF_NONE;
318
319
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39 if (s->deblock) {
320 int size;
321
322 39 s->dblk_stride = s->awidth >> 2;
323
324 39 size = s->dblk_stride * (s->aheight >> 2);
325
326
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39 if ((ret = av_reallocp_array(&s->top_str, size, sizeof(s->top_str[0]))) < 0)
327 return ret;
328
329
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39 if ((ret = av_reallocp_array(&s->left_str, size, sizeof(s->left_str[0]))) < 0)
330 return ret;
331
332 39 memset(s->top_str, 0, size);
333 39 memset(s->left_str, 0, size);
334 }
335
336 39 return 0;
337 }
338
339 4039 static int read_code012(GetBitContext * gb)
340 {
341
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4039 if (!get_bits1(gb))
342 2755 return 0;
343 1284 return get_bits1(gb) + 1;
344 }
345
346 39 static int read_frame_header(RV60Context *s, GetBitContext *gb, int * width, int * height)
347 {
348
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39 if (get_bits(gb, 2) != 3)
349 return AVERROR_INVALIDDATA;
350
351 39 skip_bits(gb, 2);
352 39 skip_bits(gb, 4);
353
354 39 s->pict_type = frame_types[get_bits(gb, 2)];
355
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39 if (s->pict_type == AV_PICTURE_TYPE_NONE)
356 return AVERROR_INVALIDDATA;
357
358 39 s->qp = get_bits(gb, 6);
359 39 skip_bits1(gb);
360 39 skip_bits(gb, 2);
361 39 s->osvquant = get_bits(gb, 2);
362 39 skip_bits1(gb);
363 39 skip_bits(gb, 2);
364 39 s->ts = get_bits(gb, 24);
365 39 *width = (get_bits(gb, 11) + 1) * 4;
366 39 *height = get_bits(gb, 11) * 4;
367 39 skip_bits1(gb);
368
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39 if (s->pict_type == AV_PICTURE_TYPE_I) {
369 2 s->two_f_refs = 0;
370 } else {
371
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37 if (get_bits1(gb))
372 skip_bits(gb, 3);
373 37 s->two_f_refs = get_bits1(gb);
374 }
375 39 read_code012(gb);
376 39 read_code012(gb);
377 39 s->qp_off_type = read_code012(gb);
378 39 s->deblock = get_bits1(gb);
379
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39 s->deblock_chroma = s->deblock && !get_bits1(gb);
380
381
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39 if (get_bits1(gb)) {
382 int count = get_bits(gb, 2);
383 if (count) {
384 skip_bits(gb, 2);
385 for (int i = 0; i < count; i++)
386 for (int j = 0; j < 2 << i; j++)
387 skip_bits(gb, 8);
388 }
389 }
390
391 39 return 0;
392 }
393
394 39 static int read_slice_sizes(RV60Context *s, GetBitContext *gb)
395 {
396 39 int nbits = get_bits(gb, 5) + 1;
397 int last_size;
398
399
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141 for (int i = 0; i < s->cu_height; i++)
400 102 s->slice[i].sign = get_bits1(gb);
401
402 39 s->slice[0].size = last_size = get_bits_long(gb, nbits);
403
404
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39 if (last_size < 0)
405 return AVERROR_INVALIDDATA;
406
407
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102 for (int i = 1; i < s->cu_height; i++) {
408 63 int diff = get_bits_long(gb, nbits);
409
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63 if (s->slice[i].sign)
410 8 last_size += diff;
411 else
412 55 last_size -= diff;
413
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63 if (last_size <= 0)
414 return AVERROR_INVALIDDATA;
415 63 s->slice[i].size = last_size;
416 }
417
418 39 align_get_bits(gb);
419 39 return 0;
420 }
421
422 4447 static int read_intra_mode(GetBitContext * gb, int * param)
423 {
424
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4447 if (get_bits1(gb)) {
425 3922 *param = read_code012(gb);
426 3922 return INTRAMODE_INDEX;
427 } else {
428 525 *param = get_bits(gb, 5);
429 525 return INTRAMODE_MODE;
430 }
431 }
432
433 15476 static int has_top_block(const RV60Context * s, int xpos, int ypos, int dx, int dy, int size)
434 {
435
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15476 return ypos + dy && xpos + dx + size <= s->awidth;
436 }
437
438 13316 static int has_left_block(const RV60Context * s, int xpos, int ypos, int dx, int dy, int size)
439 {
440
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13316 return xpos + dx && ypos + dy + size <= s->aheight;
441 }
442
443 8848 static int has_top_right_block(const RV60Context * s, int xpos, int ypos, int dx, int dy, int size)
444 {
445
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8848 if (has_top_block(s, xpos, ypos, dx, dy, size * 2)) {
446 8603 int cxpos = ((xpos + dx) & 63) >> ff_log2(size);
447 8603 int cypos = ((ypos + dy) & 63) >> ff_log2(size);
448 8603 return !(rv60_avail_mask[cxpos] & cypos);
449 }
450 245 return 0;
451 }
452
453 8869 static int has_left_down_block(const RV60Context * s, int xpos, int ypos, int dx, int dy, int size)
454 {
455
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8869 if (has_left_block(s, xpos, ypos, dx, dy, size * 2)) {
456 8717 int cxpos = (~(xpos + dx) & 63) >> ff_log2(size);
457 8717 int cypos = (~(ypos + dy) & 63) >> ff_log2(size);
458 8717 return rv60_avail_mask[cxpos] & cypos;
459 }
460 152 return 0;
461 }
462
463 typedef struct {
464 uint8_t t[129];
465 uint8_t l[129];
466 int has_t;
467 int has_tr;
468 int has_l;
469 int has_ld;
470 } IntraPredContext;
471
472 typedef struct {
473 int xpos;
474 int ypos;
475 int pu_pos;
476 int blk_pos;
477
478 enum CUType cu_type;
479 enum PUType pu_type;
480 enum IntraMode imode[4];
481 int imode_param[4];
482 MVInfo mv[4];
483
484 IntraPredContext ipred;
485 } CUContext;
486
487 9033 static void ipred_init(IntraPredContext * i)
488 {
489 9033 memset(i->t, 0x80, sizeof(i->t));
490 9033 memset(i->l, 0x80, sizeof(i->l));
491 9033 i->has_t = i->has_tr = i->has_l = i->has_ld = 0;
492 9033 }
493
494 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)
495 {
496
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9033 if (is_luma)
497 4447 src += (cu->ypos + yoff) * stride + cu->xpos + xoff;
498 else
499 4586 src += (cu->ypos >> 1) * stride + (cu->xpos >> 1);
500
501 9033 ipred_init(&cu->ipred);
502
503
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9033 if (cu->ypos + yoff > 0) {
504 8848 cu->ipred.has_t = 1;
505
506 8848 memcpy(cu->ipred.t + 1, src - stride, size);
507
508
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8848 if ((is_luma && has_top_right_block(s, cu->xpos, cu->ypos, xoff, yoff, size)) ||
509
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4478 (!is_luma && has_top_right_block(s, cu->xpos, cu->ypos, 0, 0, size << 1))) {
510 5697 cu->ipred.has_tr = 1;
511 5697 memcpy(cu->ipred.t + size + 1, src - stride + size, size);
512 } else
513 3151 memset(cu->ipred.t + size + 1, cu->ipred.t[size], size);
514
515
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8848 if (cu->xpos + xoff > 0)
516 8690 cu->ipred.t[0] = src[-stride - 1];
517 }
518
519
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9033 if (cu->xpos + xoff > 0) {
520 8869 cu->ipred.has_l = 1;
521
522
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63029 for (int y = 0; y < size; y++)
523 54160 cu->ipred.l[y + 1] = src[y*stride - 1];
524
525
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8869 if ((is_luma && has_left_down_block(s, cu->xpos, cu->ypos, xoff, yoff, size)) ||
526
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4484 (!is_luma && has_left_down_block(s, cu->xpos, cu->ypos, 0, 0, size << 1))) {
527 2759 cu->ipred.has_ld = 1;
528
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19791 for (int y = size; y < size * 2; y++)
529 17032 cu->ipred.l[y + 1] = src[y*stride - 1];
530 } else
531 6110 memset(cu->ipred.l + size + 1, cu->ipred.l[size], size);
532
533
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8869 if (cu->ypos + yoff > 0)
534 8690 cu->ipred.l[0] = src[-stride - 1];
535 }
536 9033 }
537
538 1492 static void pred_plane(const IntraPredContext * p, uint8_t * dst, int stride, int size)
539 {
540 1492 int lastl = p->l[size + 1];
541 1492 int lastt = p->t[size + 1];
542 int tmp1[64], tmp2[64];
543 int top_ref[64], left_ref[64];
544 int shift;
545
546
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8148 for (int i = 0; i < size; i++) {
547 6656 tmp1[i] = lastl - p->t[i + 1];
548 6656 tmp2[i] = lastt - p->l[i + 1];
549 }
550
551 1492 shift = ff_log2(size) + 1;
552
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8148 for (int i = 0; i < size; i++) {
553 6656 top_ref[i] = p->t[i + 1] << (shift - 1);
554 6656 left_ref[i] = p->l[i + 1] << (shift - 1);
555 }
556
557
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8148 for (int y = 0; y < size; y++) {
558 6656 int add = tmp2[y];
559 6656 int sum = left_ref[y] + size;
560
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41472 for (int x = 0; x < size; x++) {
561 34816 int v = tmp1[x] + top_ref[x];
562 34816 sum += add;
563 34816 top_ref[x] = v;
564 34816 dst[y*stride + x] = (sum + v) >> shift;
565 }
566 }
567 1492 }
568
569 5606 static void pred_dc(const IntraPredContext * p, uint8_t * dst, int stride, int size, int filter)
570 {
571 int dc;
572
573
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5606 if (!p->has_t && !p->has_l)
574 dc = 0x80;
575 else {
576 5606 int sum = 0;
577
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5606 if (p->has_t)
578
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43045 for (int x = 0; x < size; x++)
579 37568 sum += p->t[x + 1];
580
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5606 if (p->has_l)
581
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42762 for (int y = 0; y < size; y++)
582 37304 sum += p->l[y + 1];
583
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5606 if (p->has_t && p->has_l)
584 5329 dc = (sum + size) / (size * 2);
585 else
586 277 dc = (sum + size / 2) / size;
587 }
588
589
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44122 for (int y = 0; y < size; y++)
590 38516 memset(dst + y*stride, dc, size);
591
592
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5606 if (filter && p->has_t && p->has_l) {
593 2373 dst[0] = (p->t[1] + p->l[1] + 2 * dst[0] + 2) >> 2;
594
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19284 for (int x = 1; x < size; x++)
595 16911 dst[x] = (p->t[x + 1] + 3 * dst[x] + 2) >> 2;
596
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19284 for (int y = 1; y < size; y++)
597 16911 dst[y*stride] = (p->l[y + 1] + 3 * dst[y*stride] + 2) >> 2;
598 }
599 5606 }
600
601 1762 static void filter_weak(uint8_t * dst, const uint8_t * src, int size)
602 {
603 1762 dst[0] = src[0];
604
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8292 for (int i = 1; i < size - 1; i++)
605 6530 dst[i] = (src[i - 1] + 2*src[i] + src[i + 1] + 2) >> 2;
606 1762 dst[size - 1] = src[size - 1];
607 1762 }
608
609 static void filter_bilin32(uint8_t * dst, int v0, int v1, int size)
610 {
611 int diff = v1 - v0;
612 int sum = (v0 << 5) + (1 << (5 - 1));
613 for (int i = 0; i < size; i++) {
614 dst[i] = sum >> 5;
615 sum += diff;
616 }
617 }
618
619 355 static void pred_hor_angle(uint8_t * dst, int stride, int size, int weight, const uint8_t * src)
620 {
621 355 int sum = 0;
622
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1775 for (int x = 0; x < size; x++) {
623 int off, frac;
624 1420 sum += weight;
625 1420 off = (sum >> 5) + 32;
626 1420 frac = sum & 0x1F;
627
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1420 if (!frac)
628 for (int y = 0; y < size; y++)
629 dst[y*stride + x] = src[off + y];
630 else {
631
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7100 for (int y = 0; y < size; y++) {
632 5680 int a = src[off + y];
633 5680 int b = src[off + y + 1];
634 5680 dst[y*stride + x] = ((32 - frac) * a + frac * b + 16) >> 5;
635 }
636 }
637 }
638 355 }
639
640 351 static void pred_ver_angle(uint8_t * dst, int stride, int size, int weight, const uint8_t * src)
641 {
642 351 int sum = 0;
643
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1867 for (int y = 0; y < size; y++) {
644 int off, frac;
645 1516 sum += weight;
646 1516 off = (sum >> 5) + 32;
647 1516 frac = sum & 0x1F;
648
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1516 if (!frac)
649 208 memcpy(dst + y*stride, src + off, size);
650 else {
651
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6540 for (int x = 0; x < size; x++) {
652 5232 int a = src[off + x];
653 5232 int b = src[off + x + 1];
654 5232 dst[y*stride + x] = ((32 - frac) * a + frac * b + 16) >> 5;
655 }
656 }
657 }
658 351 }
659
660 9033 static int pred_angle(const IntraPredContext * p, uint8_t * dst, int stride, int size, int imode, int filter)
661 {
662 uint8_t filtered1[96], filtered2[96];
663
664
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9033 if (!imode) {
665 1492 pred_plane(p, dst, stride, size);
666
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7541 } else if (imode == 1) {
667 5606 pred_dc(p, dst, stride, size, filter);
668
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1935 } else if (imode <= 9) {
669 323 int ang_weight = rv60_ipred_angle[10 - imode];
670 323 int add_size = (size * ang_weight + 31) >> 5;
671
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323 if (size <= 16) {
672 323 filter_weak(filtered1 + 32, &p->l[1], size + add_size);
673 } else {
674 filter_bilin32(filtered1 + 32, p->l[1], p->l[33], 32);
675 filter_bilin32(filtered1 + 64, p->l[32], p->l[64], add_size);
676 }
677 323 pred_hor_angle(dst, stride, size, ang_weight, filtered1);
678
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1612 } else if (imode == 10) {
679
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357 if (size <= 16)
680 357 filter_weak(filtered1 + 32, &p->l[1], size);
681 else
682 filter_bilin32(filtered1 + 32, p->l[1], p->l[33], 32);
683
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2589 for (int y = 0; y < size; y++)
684
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20568 for (int x = 0; x < size; x++)
685 18336 dst[y*stride + x] = filtered1[32 + y];
686
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357 if (filter) {
687 165 int tl = p->t[0];
688
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1381 for (int x = 0; x < size; x++)
689 1216 dst[x] = av_clip_uint8(dst[x] + ((p->t[x + 1] - tl) >> 1));
690 }
691
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1255 } else if (imode <= 17) {
692 32 int ang_weight = rv60_ipred_angle[imode - 10];
693 32 int inv_angle = rv60_ipred_inv_angle[imode - 10];
694 32 int add_size = (size * ang_weight + 31) >> 5;
695
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32 if (size <= 16) {
696 32 memcpy(filtered1 + 32 - 1, p->l, size + 1);
697 32 memcpy(filtered2 + 32 - 1, p->t, size + 1);
698 } else {
699 filtered1[32 - 1] = p->l[0];
700 filter_bilin32(filtered1 + 32, p->l[0], p->l[32], 32);
701 filtered2[32 - 1] = p->t[0];
702 filter_bilin32(filtered2 + 32, p->t[0], p->t[32], 32);
703 }
704
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32 if (add_size > 1) {
705 10 int sum = 0x80;
706
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28 for (int i = 1; i < add_size; i++) {
707 18 sum += inv_angle;
708 18 filtered1[32 - 1 - i] = filtered2[32 - 1 + (sum >> 8)];
709 }
710 }
711 32 pred_hor_angle(dst, stride, size, -ang_weight, filtered1);
712
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1223 } else if (imode <= 25) {
713 141 int ang_weight = rv60_ipred_angle[26 - imode];
714 141 int inv_angle = rv60_ipred_inv_angle[26 - imode];
715 141 int add_size = (size * ang_weight + 31) >> 5;
716
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141 if (size <= 16) {
717 141 memcpy(filtered1 + 32 - 1, p->t, size + 1);
718 141 memcpy(filtered2 + 32 - 1, p->l, size + 1);
719 } else {
720 filtered1[32 - 1] = p->t[0];
721 filter_bilin32(filtered1 + 32, p->t[0], p->t[32], 32);
722 filtered2[32 - 1] = p->l[0];
723 filter_bilin32(filtered2 + 32, p->l[0], p->l[32], 32);
724 }
725
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141 if (add_size > 1) {
726 65 int sum = 0x80;
727
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307 for (int i = 1; i < add_size; i++) {
728 242 sum += inv_angle;
729 242 filtered1[32 - 1 - i] = filtered2[32 - 1 + (sum >> 8)];
730 }
731 }
732 141 pred_ver_angle(dst, stride, size, -ang_weight, filtered1);
733
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1082 } else if (imode == 26) {
734
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872 if (size <= 16)
735 872 filter_weak(&filtered1[32], &p->t[1], size);
736 else
737 filter_bilin32(filtered1 + 32, p->t[1], p->t[33], 32);
738
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5972 for (int i = 0; i < size; i++)
739 5100 memcpy(dst + i*stride, filtered1 + 32, size);
740
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872 if (filter) {
741 396 int tl = p->l[0];
742
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3240 for (int y = 0; y < size; y++)
743 2844 dst[y*stride] = av_clip_uint8(dst[y*stride] + ((p->l[y+1] - tl) >> 1));
744 }
745
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210 } else if (imode <= 34) {
746 210 int ang_weight = rv60_ipred_angle[imode - 26];
747 210 int add_size = (size * ang_weight + 31) >> 5;
748
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210 if (size <= 16)
749 210 filter_weak(&filtered1[32], &p->t[1], size + add_size);
750 else {
751 filter_bilin32(filtered1 + 32, p->t[1], p->t[33], 32);
752 filter_bilin32(filtered1 + 64, p->t[32], p->t[64], add_size);
753 }
754 210 pred_ver_angle(dst, stride, size, ang_weight, filtered1);
755 } else
756 return AVERROR_INVALIDDATA;
757 9033 return 0;
758 }
759
760 12986 static int pu_is_intra(const PUInfo * pu)
761 {
762 12986 return pu->cu_type == CU_INTRA;
763 }
764
765 1355 static int ipm_compar(const void * a, const void * b)
766 {
767 1355 return *(const enum IntraMode *)a - *(const enum IntraMode *)b;
768 }
769
770 #define MK_UNIQUELIST(name, type, max_size) \
771 typedef struct { \
772 type list[max_size]; \
773 int size; \
774 } unique_list_##name; \
775 \
776 static void unique_list_##name##_init(unique_list_##name * s) \
777 { \
778 memset(s->list, 0, sizeof(s->list)); \
779 s->size = 0; \
780 } \
781 \
782 static void unique_list_##name##_add(unique_list_##name * s, type cand) \
783 { \
784 if (s->size == max_size) \
785 return; \
786 \
787 for (int i = 0; i < s->size; i++) { \
788 if (!memcmp(&s->list[i], &cand, sizeof(type))) { \
789 return; \
790 } \
791 } \
792 s->list[s->size++] = cand; \
793 }
794
795
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114034 MK_UNIQUELIST(intramode, enum IntraMode, 3)
796
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28116 MK_UNIQUELIST(mvinfo, MVInfo, 4)
797
798 4447 static int reconstruct_intra(const RV60Context * s, const CUContext * cu, int size, int sub)
799 {
800 int blk_pos, tl_x, tl_y;
801 unique_list_intramode ipm_cand;
802
803
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4447 if (cu->imode[0] == INTRAMODE_DC64)
804 return 1;
805
806
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4447 if (cu->imode[0] == INTRAMODE_PLANE64)
807 return 0;
808
809 4447 unique_list_intramode_init(&ipm_cand);
810
811
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4447 if (has_top_block(s, cu->xpos, cu->ypos, (sub & 1) * 4, 0, size)) {
812 4324 const PUInfo * pu = &s->pu_info[cu->pu_pos - s->pu_stride];
813
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4324 if (pu_is_intra(pu))
814 3612 unique_list_intramode_add(&ipm_cand, s->blk_info[cu->blk_pos - s->blk_stride + (sub & 1)].imode);
815 }
816
817 4447 blk_pos = cu->blk_pos + (sub >> 1) * s->blk_stride + (sub & 1);
818
819
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4447 if (has_left_block(s, cu->xpos, cu->ypos, 0, (sub & 2) * 2, size)) {
820 4363 const PUInfo * pu = &s->pu_info[cu->pu_pos - 1];
821
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4363 if (pu_is_intra(pu))
822 3678 unique_list_intramode_add(&ipm_cand, s->blk_info[blk_pos - 1 - (sub & 1)].imode);
823 }
824
825
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4447 tl_x = !(sub & 2) ? (cu->xpos + (sub & 1) * 4) : cu->xpos;
826 4447 tl_y = cu->ypos + (sub & 2) * 4;
827
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4447 if (tl_x > 0 && tl_y > 0) {
828 const PUInfo * pu;
829
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4299 switch (sub) {
830 2190 case 0: pu = &s->pu_info[cu->pu_pos - s->pu_stride - 1]; break;
831 695 case 1: pu = &s->pu_info[cu->pu_pos - s->pu_stride]; break;
832 1414 default: pu = &s->pu_info[cu->pu_pos - 1];
833 }
834
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4299 if (pu_is_intra(pu)) {
835
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3616 if (sub != 3)
836 3046 unique_list_intramode_add(&ipm_cand, s->blk_info[blk_pos - s->blk_stride - 1].imode);
837 else
838 570 unique_list_intramode_add(&ipm_cand, s->blk_info[blk_pos - s->blk_stride - 2].imode);
839 }
840 }
841
842
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31129 for (int i = 0; i < FF_ARRAY_ELEMS(rv60_candidate_intra_angles); i++)
843 26682 unique_list_intramode_add(&ipm_cand, rv60_candidate_intra_angles[i]);
844
845
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4447 if (cu->imode[sub] == INTRAMODE_INDEX)
846 3922 return ipm_cand.list[cu->imode_param[sub]];
847
848
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525 if (cu->imode[sub] == INTRAMODE_MODE) {
849 525 enum IntraMode imode = cu->imode_param[sub];
850 525 qsort(ipm_cand.list, 3, sizeof(ipm_cand.list[0]), ipm_compar);
851
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2100 for (int i = 0; i < 3; i++)
852
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1575 if (imode >= ipm_cand.list[i])
853 1175 imode++;
854 525 return imode;
855 }
856
857 av_assert0(0); // should never reach here
858 return 0;
859 }
860
861 1812 static int get_skip_mv_index(enum MVRefEnum mvref)
862 {
863
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1812 switch (mvref) {
864 287 case MVREF_SKIP1: return 1;
865 61 case MVREF_SKIP2: return 2;
866 15 case MVREF_SKIP3: return 3;
867 1449 default: return 0;
868 }
869 }
870
871 10767 static void add_if_valid(unique_list_mvinfo * skip_cand, const MVInfo * mvi)
872 {
873
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10767 if (mvi->mvref != MVREF_NONE)
874 8846 unique_list_mvinfo_add(skip_cand, *mvi);
875 10767 }
876
877 1812 static void fill_mv_skip_cand(RV60Context * s, const CUContext * cu, unique_list_mvinfo * skip_cand, int size)
878 {
879 1812 int mv_size = size >> 2;
880
881
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1812 if (cu->xpos)
882 1649 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos - 1].mv);
883
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1812 if (cu->ypos)
884 1562 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos - s->blk_stride].mv);
885
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1812 if (cu->ypos && cu->xpos + size < s->awidth)
886 1418 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos - s->blk_stride + mv_size].mv);
887
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1812 if (cu->xpos && cu->ypos + size < s->aheight)
888 1503 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos + s->blk_stride * mv_size - 1].mv);
889
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1812 if (cu->xpos)
890 1649 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos + s->blk_stride * (mv_size - 1) - 1].mv);
891
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1812 if (cu->ypos)
892 1562 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos - s->blk_stride + mv_size - 1].mv);
893
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1812 if (cu->xpos && cu->ypos)
894 1424 add_if_valid(skip_cand, &s->blk_info[cu->blk_pos - s->blk_stride - 1].mv);
895
896
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5694 for (int i = skip_cand->size; i < 4; i++)
897 3882 skip_cand->list[i] = (MVInfo){.mvref=MVREF_REF0,.f_mv={0,0},.b_mv={0,0}};
898 1812 }
899
900 typedef struct {
901 int w, h;
902 } Dimensions;
903
904 5808 static void get_mv_dimensions(Dimensions * dim, enum PUType pu_type, int part_no, int size)
905 {
906 5808 int mv_size = size >> 2;
907
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5808 switch (pu_type) {
908 2920 case PU_FULL:
909 2920 dim->w = dim->h = mv_size;
910 2920 break;
911 380 case PU_N2HOR:
912 380 dim->w = mv_size;
913 380 dim->h = mv_size >> 1;
914 380 break;
915 356 case PU_N2VER:
916 356 dim->w = mv_size >> 1;
917 356 dim->h = mv_size;
918 356 break;
919 2152 case PU_QUARTERS:
920 2152 dim->w = dim->h = mv_size >> 1;
921 2152 break;
922 case PU_N4HOR:
923 dim->w = mv_size;
924 dim->h = !part_no ? (mv_size >> 2) : ((3 * mv_size) >> 2);
925 break;
926 case PU_N34HOR:
927 dim->w = mv_size;
928 dim->h = !part_no ? ((3 * mv_size) >> 2) : (mv_size >> 2);
929 break;
930 case PU_N4VER:
931 dim->w = !part_no ? (mv_size >> 2) : ((3 * mv_size) >> 2);
932 dim->h = mv_size;
933 break;
934 case PU_N34VER:
935 dim->w = !part_no ? ((3 * mv_size) >> 2) : (mv_size >> 2);
936 dim->h = mv_size;
937 break;
938 }
939 5808 }
940
941 3656 static int has_hor_split(enum PUType pu_type)
942 {
943
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3656 return pu_type == PU_N2HOR || pu_type == PU_N4HOR || pu_type == PU_N34HOR || pu_type == PU_QUARTERS;
944 }
945
946 3276 static int has_ver_split(enum PUType pu_type)
947 {
948
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3276 return pu_type == PU_N2VER || pu_type == PU_N4VER || pu_type == PU_N34VER || pu_type == PU_QUARTERS;
949 }
950
951 4833 static int pu_type_num_parts(enum PUType pu_type)
952 {
953
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4833 switch (pu_type) {
954 3474 case PU_FULL: return 1;
955 807 case PU_QUARTERS: return 4;
956 552 default: return 2;
957 }
958 }
959
960 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)
961 {
962
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5808 if (pu_type == PU_QUARTERS) {
963
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2152 if (part_no != 1) {
964 1614 *mv_pos += dim->w;
965 1614 *mv_x += dim->w;
966 } else {
967 538 *mv_pos += dim->h*s->blk_stride - dim->w;
968 538 *mv_x -= dim->w;
969 538 *mv_y += dim->h;
970 }
971
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3656 } else if (has_hor_split(pu_type)) {
972 380 *mv_pos += dim->h * s->blk_stride;
973 380 *mv_y += dim->h;
974
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3276 } else if (has_ver_split(pu_type)) {
975 356 *mv_pos += dim->w;
976 356 *mv_x += dim->w;
977 }
978 5808 }
979
980 2915 static int mv_is_ref0(enum MVRefEnum mvref)
981 {
982
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2915 return mvref == MVREF_REF0 || mvref == MVREF_REF0ANDBREF;
983 }
984
985 24675 static int mv_is_forward(enum MVRefEnum mvref)
986 {
987
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24675 return mvref == MVREF_REF0 || mvref == MVREF_REF1 || mvref == MVREF_REF0ANDBREF;
988 }
989
990 27282 static int mv_is_backward(enum MVRefEnum mvref)
991 {
992
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27282 return mvref == MVREF_BREF || mvref == MVREF_REF0ANDBREF;
993 }
994
995 4408 static int mvinfo_matches_forward(const MVInfo * a, const MVInfo * b)
996 {
997
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4408 return a->mvref == b->mvref || (mv_is_ref0(a->mvref) && mv_is_ref0(b->mvref));
998 }
999
1000 1819 static int mvinfo_matches_backward(const MVInfo * a, const MVInfo * b)
1001 {
1002
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1819 return mv_is_backward(a->mvref) && mv_is_backward(b->mvref);
1003 }
1004
1005 24452 static int mvinfo_is_deblock_cand(const MVInfo * a, const MVInfo * b)
1006 {
1007 int diff;
1008
1009
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24452 if (a->mvref != b->mvref)
1010 1775 return 1;
1011
1012 22677 diff = 0;
1013
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22677 if (mv_is_forward(a->mvref)) {
1014 19370 int dx = a->f_mv.x - b->f_mv.x;
1015 19370 int dy = a->f_mv.y - b->f_mv.y;
1016 19370 diff += FFABS(dx) + FFABS(dy);
1017 }
1018
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22677 if (mv_is_backward(a->mvref)) {
1019 4331 int dx = a->b_mv.x - b->b_mv.x;
1020 4331 int dy = a->b_mv.y - b->b_mv.y;
1021 4331 diff += FFABS(dx) + FFABS(dy);
1022 }
1023 22677 return diff > 4;
1024 }
1025
1026 367 static void mv_pred(MV * ret, MV a, MV b, MV c)
1027 {
1028 #define MEDIAN(x) \
1029 if (a.x < b.x) \
1030 if (b.x < c.x) \
1031 ret->x = b.x; \
1032 else \
1033 ret->x = a.x < c.x ? c.x : a.x; \
1034 else \
1035 if (b.x < c.x) \
1036 ret->x = a.x < c.x ? a.x : c.x; \
1037 else \
1038 ret->x = b.x; \
1039
1040
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367 MEDIAN(x)
1041
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367 MEDIAN(y)
1042 367 }
1043
1044 1998 static void predict_mv(const RV60Context * s, MVInfo * dst, int mv_x, int mv_y, int mv_w, const MVInfo * src)
1045 {
1046 1998 int mv_pos = mv_y * s->blk_stride + mv_x;
1047 MV f_mv, b_mv;
1048
1049 1998 dst->mvref = src->mvref;
1050
1051
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1998 if (mv_is_forward(src->mvref)) {
1052 1537 MV cand[3] = {0};
1053 1537 int cand_size = 0;
1054
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1537 if (mv_x > 0) {
1055 1426 const MVInfo * mv = &s->blk_info[mv_pos - 1].mv;
1056
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1426 if (mvinfo_matches_forward(mv, src))
1057 906 cand[cand_size++] = mv->f_mv;
1058 }
1059
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1537 if (mv_y > 0) {
1060 1515 const MVInfo * mv = &s->blk_info[mv_pos - s->blk_stride].mv;
1061
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1515 if (mvinfo_matches_forward(mv, src))
1062 936 cand[cand_size++] = mv->f_mv;
1063 }
1064
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1537 if (has_top_block(s, mv_x << 2, mv_y << 2, mv_w << 2, 0, 4)) {
1065 1467 const MVInfo * mv = &s->blk_info[mv_pos - s->blk_stride + mv_w].mv;
1066
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1467 if (mvinfo_matches_forward(mv, src))
1067 561 cand[cand_size++] = mv->f_mv;
1068 }
1069
1070
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1537 switch (cand_size) {
1071 481 case 1:
1072 481 f_mv.x = cand[0].x;
1073 481 f_mv.y = cand[0].y;
1074 481 break;
1075 523 case 2:
1076 523 f_mv.x = (cand[0].x + cand[1].x) >> 1;
1077 523 f_mv.y = (cand[0].y + cand[1].y) >> 1;
1078 523 break;
1079 292 case 3:
1080 292 mv_pred(&f_mv, cand[0], cand[1], cand[2]);
1081 292 break;
1082 241 default:
1083 241 f_mv = (MV){0,0};
1084 241 break;
1085 }
1086 } else {
1087 461 f_mv = (MV){0,0};
1088 }
1089
1090 1998 dst->f_mv.x = src->f_mv.x + f_mv.x;
1091 1998 dst->f_mv.y = src->f_mv.y + f_mv.y;
1092
1093
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1998 if (mv_is_backward(src->mvref)) {
1094 644 MV cand[3] = {0};
1095 644 int cand_size = 0;
1096
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644 if (mv_x > 0) {
1097 587 const MVInfo * mv = &s->blk_info[mv_pos - 1].mv;
1098
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587 if (mvinfo_matches_backward(mv, src))
1099 296 cand[cand_size++] = mv->b_mv;
1100 }
1101
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644 if (mv_y > 0) {
1102 628 const MVInfo * mv = &s->blk_info[mv_pos - s->blk_stride].mv;
1103
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628 if (mvinfo_matches_backward(mv, src))
1104 297 cand[cand_size++] = mv->b_mv;
1105 }
1106
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644 if (has_top_block(s, mv_x << 2, mv_y << 2, mv_w << 2, 0, 4)) {
1107 604 const MVInfo * mv = &s->blk_info[mv_pos - s->blk_stride + mv_w].mv;
1108
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604 if (mvinfo_matches_backward(mv, src))
1109 195 cand[cand_size++] = mv->b_mv;
1110 }
1111
1112
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644 switch (cand_size) {
1113 219 case 1:
1114 219 b_mv.x = cand[0].x;
1115 219 b_mv.y = cand[0].y;
1116 219 break;
1117 172 case 2:
1118 172 b_mv.x = (cand[0].x + cand[1].x) >> 1;
1119 172 b_mv.y = (cand[0].y + cand[1].y) >> 1;
1120 172 break;
1121 75 case 3:
1122 75 mv_pred(&b_mv, cand[0], cand[1], cand[2]);
1123 75 break;
1124 178 default:
1125 178 b_mv = (MV){0,0};
1126 178 break;
1127 }
1128 } else {
1129 1354 b_mv = (MV){0,0};
1130 }
1131
1132 1998 dst->b_mv.x = src->b_mv.x + b_mv.x;
1133 1998 dst->b_mv.y = src->b_mv.y + b_mv.y;
1134 1998 }
1135
1136 5112 static void reconstruct(RV60Context * s, const CUContext * cu, int size)
1137 {
1138 5112 int pu_size = size >> 3;
1139 PUInfo pui;
1140 int imode, mv_x, mv_y, mv_pos, count, mv_size;
1141 unique_list_mvinfo skip_cand;
1142 Dimensions dim;
1143 MVInfo mv;
1144
1145 5112 pui.cu_type = cu->cu_type;
1146 5112 pui.pu_type = cu->pu_type;
1147
1148
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5112 if (cu->cu_type == CU_INTRA && cu->pu_type == PU_QUARTERS) {
1149 718 s->pu_info[cu->pu_pos] = pui;
1150
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2154 for (int y = 0; y < 2; y++)
1151
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4308 for (int x = 0; x < 2; x++)
1152 2872 s->blk_info[cu->blk_pos + y*s->blk_stride + x].imode =
1153 2872 reconstruct_intra(s, cu, 4, y*2 + x);
1154 718 return;
1155 }
1156
1157
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4394 switch (cu->cu_type) {
1158 1575 case CU_INTRA:
1159 1575 imode = reconstruct_intra(s, cu, size, 0);
1160
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6351 for (int y = 0; y < size >> 2; y++)
1161
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20832 for (int x = 0; x < size >> 2; x++)
1162 16056 s->blk_info[cu->blk_pos + y*s->blk_stride + x].imode = imode;
1163 1575 break;
1164 1007 case CU_INTER_MV:
1165 1007 mv_x = cu->xpos >> 2;
1166 1007 mv_y = cu->ypos >> 2;
1167 1007 mv_pos = cu->blk_pos;
1168 1007 count = pu_type_num_parts(cu->pu_type);
1169
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3005 for (int part_no = 0; part_no < count; part_no++) {
1170 MVInfo mv;
1171 1998 get_mv_dimensions(&dim, cu->pu_type, part_no, size);
1172 1998 predict_mv(s, &mv, mv_x, mv_y, dim.w, &cu->mv[part_no]);
1173
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5454 for (int y = 0; y < dim.h; y++)
1174
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10364 for (int x = 0; x < dim.w; x++)
1175 6908 s->blk_info[mv_pos + y*s->blk_stride + x].mv = mv;
1176 1998 get_next_mv(s, &dim, cu->pu_type, part_no, &mv_pos, &mv_x, &mv_y);
1177 }
1178 1007 break;
1179 1812 default:
1180 1812 unique_list_mvinfo_init(&skip_cand);
1181 1812 fill_mv_skip_cand(s, cu, &skip_cand, size);
1182 1812 mv = skip_cand.list[get_skip_mv_index(cu->mv[0].mvref)];
1183 1812 mv_size = size >> 2;
1184
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9318 for (int y = 0; y < mv_size; y++)
1185
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61206 for (int x = 0; x < mv_size; x++)
1186 53700 s->blk_info[cu->blk_pos + y*s->blk_stride + x].mv = mv;
1187 }
1188
1189
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11766 for (int y = 0; y < pu_size; y++)
1190
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26538 for (int x = 0; x < pu_size; x++)
1191 19166 s->pu_info[cu->pu_pos + y*s->pu_stride + x] = pui;
1192 }
1193
1194 2181 static void read_mv(GetBitContext * gb, MV * mv)
1195 {
1196 2181 mv->x = get_interleaved_se_golomb(gb);
1197 2181 mv->y = get_interleaved_se_golomb(gb);
1198 2181 }
1199
1200 1998 static void read_mv_info(RV60Context *s, GetBitContext * gb, MVInfo * mvinfo, int size, enum PUType pu_type)
1201 {
1202
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1998 if (s->pict_type != AV_PICTURE_TYPE_B) {
1203
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866 if (s->two_f_refs && get_bits1(gb))
1204 192 mvinfo->mvref = MVREF_REF1;
1205 else
1206 674 mvinfo->mvref = MVREF_REF0;
1207 866 read_mv(gb, &mvinfo->f_mv);
1208 866 mvinfo->b_mv.x = mvinfo->b_mv.y = 0;
1209 } else {
1210
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1132 if ((size <= 8 && (size != 8 || pu_type != PU_FULL)) || get_bits1(gb)) {
1211
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1898 if (!get_bits1(gb)) {
1212 488 mvinfo->mvref = MVREF_REF0;
1213 488 read_mv(gb, &mvinfo->f_mv);
1214 488 mvinfo->b_mv.x = mvinfo->b_mv.y = 0;
1215 } else {
1216 461 mvinfo->mvref = MVREF_BREF;
1217 461 mvinfo->f_mv.x = mvinfo->f_mv.y = 0;
1218 461 read_mv(gb, &mvinfo->b_mv);
1219 }
1220 } else {
1221 183 mvinfo->mvref = MVREF_REF0ANDBREF;
1222 183 read_mv(gb, &mvinfo->f_mv);
1223 183 read_mv(gb, &mvinfo->b_mv);
1224 }
1225 }
1226 1998 }
1227
1228 #define FILTER1(src, src_stride, src_y_ofs, step) \
1229 ( (src)[(y + src_y_ofs)*(src_stride) + x - 2*step] \
1230 - 5 * (src)[(y + src_y_ofs)*(src_stride) + x - 1*step] \
1231 +52 * (src)[(y + src_y_ofs)*(src_stride) + x ] \
1232 +20 * (src)[(y + src_y_ofs)*(src_stride) + x + 1*step] \
1233 - 5 * (src)[(y + src_y_ofs)*(src_stride) + x + 2*step] \
1234 + (src)[(y + src_y_ofs)*(src_stride) + x + 3*step] + 32) >> 6
1235
1236 #define FILTER2(src, src_stride, src_y_ofs, step) \
1237 ( (src)[(y + src_y_ofs)*(src_stride) + x - 2*step] \
1238 - 5 * (src)[(y + src_y_ofs)*(src_stride) + x - 1*step] \
1239 +20 * (src)[(y + src_y_ofs)*(src_stride) + x ] \
1240 +20 * (src)[(y + src_y_ofs)*(src_stride) + x + 1*step] \
1241 - 5 * (src)[(y + src_y_ofs)*(src_stride) + x + 2*step] \
1242 + (src)[(y + src_y_ofs)*(src_stride) + x + 3*step] + 16) >> 5
1243
1244 #define FILTER3(src, src_stride, src_y_ofs, step) \
1245 ( (src)[(y + src_y_ofs)*(src_stride) + x - 2*step] \
1246 - 5 * (src)[(y + src_y_ofs)*(src_stride) + x - 1*step] \
1247 +20 * (src)[(y + src_y_ofs)*(src_stride) + x ] \
1248 +52 * (src)[(y + src_y_ofs)*(src_stride) + x + 1*step] \
1249 - 5 * (src)[(y + src_y_ofs)*(src_stride) + x + 2*step] \
1250 + (src)[(y + src_y_ofs)*(src_stride) + x + 3*step] + 32) >> 6
1251
1252 #define FILTER_CASE(idx, dst, dst_stride, filter, w, h) \
1253 case idx: \
1254 for (int y = 0; y < h; y++) \
1255 for (int x = 0; x < w; x++) \
1256 (dst)[y*dst_stride + x] = av_clip_uint8(filter); \
1257 break;
1258
1259 #define FILTER_BLOCK(dst, dst_stride, src, src_stride, src_y_ofs, w, h, cond, step) \
1260 switch (cond) { \
1261 FILTER_CASE(1, dst, dst_stride, FILTER1(src, src_stride, src_y_ofs, step), w, h) \
1262 FILTER_CASE(2, dst, dst_stride, FILTER2(src, src_stride, src_y_ofs, step), w, h) \
1263 FILTER_CASE(3, dst, dst_stride, FILTER3(src, src_stride, src_y_ofs, step), w, h) \
1264 }
1265
1266 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)
1267 {
1268
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4117 if (!cx && !cy) {
1269
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51461 for (int y = 0; y < h; y++)
1270 47344 memcpy(dst + y*dst_stride, src + y*src_stride, w);
1271 } else if (!cy) {
1272 FILTER_BLOCK(dst, dst_stride, src, src_stride, 0, w, h, cx, 1)
1273 } else if (!cx) {
1274 FILTER_BLOCK(dst, dst_stride, src, src_stride, 0, w, h, cy, src_stride)
1275 } else if (cx != 3 || cy != 3) {
1276 uint8_t tmp[70 * 64];
1277 FILTER_BLOCK(tmp, 64, src - src_stride * 2, src_stride, 0, w, h + 5, cx, 1)
1278 FILTER_BLOCK(dst, dst_stride, tmp + 2*64, 64, 0, w, h, cy, 64)
1279 } else {
1280 for (int j = 0; j < h; j++)
1281 for (int i = 0; i < w; i++)
1282 dst[j*dst_stride + i] = (
1283 src[j*src_stride + i] +
1284 src[j*src_stride + i + 1] +
1285 src[(j + 1)*src_stride + i] +
1286 src[(j + 1)*src_stride + i + 1] + 2) >> 2;
1287 }
1288 4117 }
1289
1290 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)
1291 {
1292
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8234 if (!x && !y) {
1293
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51648 for (int j = 0; j < h; j++)
1294 44208 memcpy(dst + j*dst_stride, src + j*src_stride, w);
1295
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876 } else if (x > 0 && y > 0) {
1296 int a, b, c, d;
1297
1298
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82 if (x == 3 && y == 3)
1299 y = 2; //reproduce bug in rv60 decoder. tested with realplayer version 18.1.7.344 and 22.0.0.321
1300
1301 82 a = (4 - x) * (4 - y);
1302 82 b = x * (4 - y);
1303 82 c = (4 - x) * y;
1304 82 d = x * y;
1305
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382 for (int j = 0; j < h; j++)
1306
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1404 for (int i = 0; i < w; i++)
1307 1104 dst[j*dst_stride + i] =
1308 1104 (a * src[j*src_stride + i] +
1309 1104 b * src[j*src_stride + i + 1] +
1310 1104 c * src[(j + 1)*src_stride + i] +
1311 1104 d * src[(j + 1)*src_stride + i + 1] + 8) >> 4;
1312 } else {
1313 712 int a = (4 - x) * (4 - y);
1314 712 int e = x * (4 - y) + (4 - x) * y;
1315
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712 int step = y > 0 ? src_stride : 1;
1316
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3548 for (int j = 0; j < h; j++)
1317
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17348 for (int i = 0; i < w; i++)
1318 14512 dst[j*dst_stride + i] =
1319 14512 (a * src[j*src_stride + i] +
1320 14512 e * src[j*src_stride + i + step] + 8) >> 4;
1321 }
1322 8234 }
1323
1324 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)
1325 {
1326 12351 int x2 = x + dx;
1327 12351 int y2 = y + dy;
1328
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12351 return x2 - e0 >= 0 && x2 + cw + e1 <= w && y2 - e2 >= 0 && y2 + ch + e3 <= h;
1329 }
1330
1331 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)
1332 {
1333 {
1334
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4117 int off = !avg ? y * frame_linesize[0] + x : 0;
1335 4117 int fw = s->awidth;
1336 4117 int fh = s->aheight;
1337 4117 int dx = mv.x >> 2;
1338 4117 int cx = mv.x & 3;
1339 4117 int dy = mv.y >> 2;
1340 4117 int cy = mv.y & 3;
1341
1342
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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])) {
1343 4041 luma_mc(
1344 4041 frame_data[0] + off,
1345 frame_linesize[0],
1346 4041 ref->data[0] + (y + dy) * ref->linesize[0] + x + dx,
1347 4041 ref->linesize[0],
1348 w, h, cx, cy);
1349 } else {
1350 uint8_t buf[70*70];
1351 76 int xoff = x + dx - 2;
1352 76 int yoff = y + dy - 2;
1353 76 s->vdsp.emulated_edge_mc(buf,
1354 76 ref->data[0] + yoff * ref->linesize[0] + xoff,
1355 76 70, ref->linesize[0],
1356 w + 5, h + 5,
1357 xoff, yoff,
1358 fw, fh);
1359
1360 76 luma_mc(frame_data[0] + off, frame_linesize[0],
1361 buf + 70 * 2 + 2, 70, w, h, cx, cy);
1362 }
1363 }
1364 {
1365 4117 int fw = s->awidth >> 1;
1366 4117 int fh = s->aheight >> 1;
1367 4117 int mvx = mv.x / 2;
1368 4117 int mvy = mv.y / 2;
1369 4117 int dx = mvx >> 2;
1370 4117 int cx = mvx & 3;
1371 4117 int dy = mvy >> 2;
1372 4117 int cy = mvy & 3;
1373 4117 int cw = w >> 1;
1374 4117 int ch = h >> 1;
1375
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12351 for (int plane = 1; plane < 3; plane++) {
1377
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8234 int off = !avg ? (y >> 1) * frame_linesize[plane] + (x >> 1) : 0;
1378
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8234 if (check_pos(x >> 1, y >> 1, cw, ch, fw, fh, dx, dy, 0, 1, 0, 1)) {
1379 7310 chroma_mc(
1380 7310 frame_data[plane] + off,
1381 7310 frame_linesize[plane],
1382 7310 ref->data[plane] + ((y >> 1) + dy) * ref->linesize[plane] + (x >> 1) + dx,
1383 7310 ref->linesize[plane],
1384 cw, ch, cx, cy);
1385 } else {
1386 uint8_t buf[40*40];
1387 924 s->vdsp.emulated_edge_mc(buf,
1388 924 ref->data[plane] + ((y >> 1) + dy) * ref->linesize[plane] + (x >> 1) + dx,
1389 924 40, ref->linesize[plane],
1390 cw + 1, ch + 1,
1391 924 (x >> 1) + dx, (y >> 1) + dy,
1392 fw, fh);
1393 924 chroma_mc(frame_data[plane] + off, frame_linesize[plane], buf, 40, cw, ch, cx, cy);
1394 }
1395 }
1396 }
1397 4117 }
1398
1399 921 static void avg_plane(uint8_t * dst, int dst_stride, const uint8_t * src, int src_stride, int w, int h)
1400 {
1401
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7913 for (int j = 0; j < h; j++)
1402
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101936 for (int i = 0; i < w; i++)
1403 94944 dst[j*dst_stride + i] = (dst[j*dst_stride + i] + src[j*src_stride + i]) >> 1;
1404 921 }
1405
1406 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)
1407 {
1408
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1228 for (int plane = 0; plane < 3; plane++) {
1409 921 int shift = !plane ? 0 : 1;
1410 921 avg_plane(frame->data[plane] + (y >> shift) * frame->linesize[plane] + (x >> shift), frame->linesize[plane],
1411 921 prev_frame_data[plane], prev_frame_linesize[plane],
1412 w >> shift, h >> shift);
1413 }
1414 307 }
1415
1416 2253 static int get_c4x4_set(int qp, int is_intra)
1417 {
1418
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2253 if (is_intra)
1419 1166 return rv60_qp_to_idx[qp + 32];
1420 else
1421 1087 return rv60_qp_to_idx[qp];
1422 }
1423
1424 137688 static int quant(int v, int q)
1425 {
1426 137688 return (v * q + 8) >> 4;
1427 }
1428
1429 137688 static int decode_coeff(GetBitContext * gb, const CoeffVLCs * vlcs, int inval, int val)
1430 {
1431 int esc_sym;
1432
1433
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137688 if (inval != val)
1434
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73186 return inval && get_bits1(gb) ? -inval : inval;
1435
1436 64502 esc_sym = get_vlc2(gb, vlcs->esc, 9, 2);
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64502 if (esc_sym > 23) {
1438 2214 int esc_bits = esc_sym - 23;
1439 2214 val += (1 << esc_bits) + get_bits(gb, esc_bits) + 22;
1440 } else
1441 62288 val += esc_sym;
1442
1443
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64502 return get_bits1(gb) ? -val : val;
1444 }
1445
1446 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)
1447 {
1448 const uint8_t * lx;
1449
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4396 if (!dsc)
1450 return;
1451
1452 4396 lx = rv60_dsc_to_lx[dsc - 1];
1453
1454 4396 coeffs[0] = quant(decode_coeff(gb, vlcs, lx[0], 3), q_dc);
1455
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4396 if (!block2) {
1456 4396 coeffs[1] = quant(decode_coeff(gb, vlcs, lx[1], 2), q_ac);
1457 4396 coeffs[stride] = quant(decode_coeff(gb, vlcs, lx[2], 2), q_ac);
1458 } else {
1459 coeffs[stride] = quant(decode_coeff(gb, vlcs, lx[1], 2), q_ac);
1460 coeffs[1] = quant(decode_coeff(gb, vlcs, lx[2], 2), q_ac);
1461 }
1462 4396 coeffs[stride + 1] = quant(decode_coeff(gb, vlcs, lx[3], 2), q_ac);
1463 }
1464
1465 30026 static void decode_2x2(GetBitContext * gb, const CoeffVLCs * vlcs, int16_t * coeffs, int stride, int block2, int dsc, int q_ac)
1466 {
1467 const uint8_t * lx;
1468
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30026 if (!dsc)
1469 return;
1470
1471 30026 lx = rv60_dsc_to_lx[dsc - 1];
1472
1473 30026 coeffs[0] = quant(decode_coeff(gb, vlcs, lx[0], 3), q_ac);
1474
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30026 if (!block2) {
1475 22293 coeffs[1] = quant(decode_coeff(gb, vlcs, lx[1], 2), q_ac);
1476 22293 coeffs[stride] = quant(decode_coeff(gb, vlcs, lx[2], 2), q_ac);
1477 } else {
1478 7733 coeffs[stride] = quant(decode_coeff(gb, vlcs, lx[1], 2), q_ac);
1479 7733 coeffs[1] = quant(decode_coeff(gb, vlcs, lx[2], 2), q_ac);
1480 }
1481 30026 coeffs[stride + 1] = quant(decode_coeff(gb, vlcs, lx[3], 2), q_ac);
1482 }
1483
1484 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)
1485 {
1486 4548 int sym0 = get_vlc2(gb, vlcs->l0[!is_luma], 9, 2);
1487 4548 int grp0 = sym0 >> 3;
1488
1489
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4548 if (grp0)
1490 4396 decode_2x2_dc(gb, vlcs, coeffs, stride, 0, grp0, q_dc, q_ac);
1491
1492
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4548 if (sym0 & 4) {
1493 3242 int grp = get_vlc2(gb, vlcs->l12[!is_luma], 9, 2);
1494 3242 decode_2x2(gb, vlcs, coeffs + 2, stride, 0, grp, q_ac);
1495 }
1496
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4548 if (sym0 & 2) {
1497 2779 int grp = get_vlc2(gb, vlcs->l12[!is_luma], 9, 2);
1498 2779 decode_2x2(gb, vlcs, coeffs + 2*stride, stride, 1, grp, q_ac);
1499 }
1500
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4548 if (sym0 & 1) {
1501 2478 int grp = get_vlc2(gb, vlcs->l3[!is_luma], 9, 2);
1502 2478 decode_2x2(gb, vlcs, coeffs + 2*stride + 2, stride, 0, grp, q_ac);
1503 }
1504 4548 }
1505
1506 7219 static void decode_4x4_block(GetBitContext * gb, const CoeffVLCs * vlcs, int is_luma, int16_t * coeffs, int stride, int q_ac)
1507 {
1508 7219 int sym0 = get_vlc2(gb, vlcs->l0[!is_luma], 9, 2);
1509 7219 int grp0 = (sym0 >> 3);
1510
1511
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7219 if (grp0)
1512 6761 decode_2x2(gb, vlcs, coeffs, stride, 0, grp0, q_ac);
1513
1514
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7219 if (sym0 & 4) {
1515 5569 int grp = get_vlc2(gb, vlcs->l12[!is_luma], 9, 2);
1516 5569 decode_2x2(gb, vlcs, coeffs + 2, stride, 0, grp, q_ac);
1517 }
1518
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7219 if (sym0 & 2) {
1519 4954 int grp = get_vlc2(gb, vlcs->l12[!is_luma], 9, 2);
1520 4954 decode_2x2(gb, vlcs, coeffs + 2*stride, stride, 1, grp, q_ac);
1521 }
1522
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7219 if (sym0 & 1) {
1523 4243 int grp = get_vlc2(gb, vlcs->l3[!is_luma], 9, 2);
1524 4243 decode_2x2(gb, vlcs, coeffs + 2*stride + 2, stride, 0, grp, q_ac);
1525 }
1526 7219 }
1527
1528 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)
1529 {
1530 139 int cb_set = get_c4x4_set(sel_qp, is_intra);
1531
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139 const CoeffVLCs * vlc = is_intra ? &intra_coeff_vlc[cb_set] : &inter_coeff_vlc[cb_set];
1532 139 int q_y = rv60_quants_b[qp];
1533 139 int q_c_dc = rv60_quants_b[rv60_chroma_quant_dc[qp]];
1534 139 int q_c_ac = rv60_quants_b[rv60_chroma_quant_ac[qp]];
1535
1536 139 memset(y_coeffs, 0, sizeof(y_coeffs[0])*256);
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2363 for (int i = 0; i < 16; i++)
1538
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2224 if ((cbp >> i) & 1)
1539 979 decode_4x4_block(gb, vlc, 1, y_coeffs + i * 16 , 4, q_y);
1540
1541 139 memset(u_coeffs, 0, sizeof(u_coeffs[0])*64);
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695 for (int i = 0; i < 4; i++)
1543
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556 if ((cbp >> (16 + i)) & 1)
1544 341 decode_4x4_block_dc(gb, vlc, 0, u_coeffs + i * 16, 4, q_c_dc, q_c_ac);
1545
1546 139 memset(v_coeffs, 0, sizeof(v_coeffs[0])*64);
1547
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695 for (int i = 0; i < 4; i++)
1548
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556 if ((cbp >> (20 + i)) & 1)
1549 335 decode_4x4_block_dc(gb, vlc, 0, v_coeffs + i * 16, 4, q_c_dc, q_c_ac);
1550 139 }
1551
1552 2387 static int decode_cbp8(GetBitContext * gb, int subset, int qp)
1553 {
1554 2387 int cb_set = rv60_qp_to_idx[qp];
1555 2387 return get_vlc2(gb, cbp8_vlc[cb_set][subset], 9, 2);
1556 }
1557
1558 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)
1559 {
1560 1901 int cb_set = get_c4x4_set(sel_qp, is_intra);
1561
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1901 const CoeffVLCs * vlc = is_intra ? &intra_coeff_vlc[cb_set] : &inter_coeff_vlc[cb_set];
1562 1901 int q_y = rv60_quants_b[qp];
1563 1901 int q_c_dc = rv60_quants_b[rv60_chroma_quant_dc[qp]];
1564 1901 int q_c_ac = rv60_quants_b[rv60_chroma_quant_ac[qp]];
1565
1566 1901 memset(y_coeffs, 0, sizeof(y_coeffs[0])*64);
1567
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9505 for (int i = 0; i < 4; i++) {
1568
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7604 if ((ccbp >> i) & 1) {
1569 int offset, stride;
1570
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4514 if (mode4x4) {
1571 2468 offset = i*16;
1572 2468 stride = 4;
1573 } else {
1574 2046 offset = (i & 1) * 4 + (i & 2) * 2 * 8;
1575 2046 stride = 8;
1576 }
1577 4514 decode_4x4_block(gb, vlc, 1, y_coeffs + offset, stride, q_y);
1578 }
1579 }
1580
1581
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1901 if ((ccbp >> 4) & 1) {
1582 1741 memset(u_coeffs, 0, sizeof(u_coeffs[0])*16);
1583 1741 decode_4x4_block_dc(gb, vlc, 0, u_coeffs, 4, q_c_dc, q_c_ac);
1584 }
1585
1586
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1901 if ((ccbp >> 5) & 1) {
1587 1778 memset(v_coeffs, 0, sizeof(u_coeffs[0])*16);
1588 1778 decode_4x4_block_dc(gb, vlc, 0, v_coeffs, 4, q_c_dc, q_c_ac);
1589 }
1590 1901 }
1591
1592 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)
1593 {
1594 213 int cb_set = get_c4x4_set(sel_qp, is_intra);
1595
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213 const CoeffVLCs * vlc = is_intra ? &intra_coeff_vlc[cb_set] : &inter_coeff_vlc[cb_set];
1596 213 int q_y = rv60_quants_b[qp];
1597 213 int q_c_dc = rv60_quants_b[rv60_chroma_quant_dc[qp]];
1598 213 int q_c_ac = rv60_quants_b[rv60_chroma_quant_ac[qp]];
1599
1600 213 memset(y_coeffs, 0, sizeof(y_coeffs[0])*256);
1601
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3621 for (int i = 0; i < 16; i++)
1602
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3408 if ((ccbp >> i) & 1) {
1603 1230 int off = (i & 3) * 4 + (i >> 2) * 4 * 16;
1604 1230 decode_4x4_block(gb, vlc, 1, y_coeffs + off, 16, q_y);
1605 }
1606
1607 213 memset(u_coeffs, 0, sizeof(u_coeffs[0])*64);
1608
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1065 for (int i = 0; i < 4; i++)
1609
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852 if ((ccbp >> (16 + i)) & 1) {
1610 428 int off = (i & 1) * 4 + (i & 2) * 2 * 8;
1611
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428 if (!i)
1612 161 decode_4x4_block_dc(gb, vlc, 0, u_coeffs + off, 8, q_c_dc, q_c_ac);
1613 else
1614 267 decode_4x4_block(gb, vlc, 0, u_coeffs + off, 8, q_c_ac);
1615 }
1616
1617 213 memset(v_coeffs, 0, sizeof(v_coeffs[0])*64);
1618
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1065 for (int i = 0; i < 4; i++)
1619
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852 if ((ccbp >> (20 + i)) & 1) {
1620 421 int off = (i & 1) * 4 + (i & 2) * 2 * 8;
1621
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421 if (!i)
1622 192 decode_4x4_block_dc(gb, vlc, 0, v_coeffs + off, 8, q_c_dc, q_c_ac);
1623 else
1624 229 decode_4x4_block(gb, vlc, 0, v_coeffs + off, 8, q_c_ac);
1625 }
1626 213 }
1627
1628 352 static int decode_super_cbp(GetBitContext * gb, const VLCElem * vlc[4])
1629 {
1630 352 int sym0 = get_vlc2(gb, vlc[0], 9, 2);
1631 352 int sym1 = get_vlc2(gb, vlc[1], 9, 2);
1632 352 int sym2 = get_vlc2(gb, vlc[2], 9, 2);
1633 352 int sym3 = get_vlc2(gb, vlc[3], 9, 2);
1634 return 0
1635 352 + ((sym0 & 0x03) << 0)
1636 352 + ((sym0 & 0x0C) << 2)
1637 352 + ((sym0 & 0x10) << 12)
1638 352 + ((sym0 & 0x20) << 15)
1639 352 + ((sym1 & 0x03) << 2)
1640 352 + ((sym1 & 0x0C) << 4)
1641 352 + ((sym1 & 0x10) << 13)
1642 352 + ((sym1 & 0x20) << 16)
1643 352 + ((sym2 & 0x03) << 8)
1644 352 + ((sym2 & 0x0C) << 10)
1645 352 + ((sym2 & 0x10) << 14)
1646 352 + ((sym2 & 0x20) << 17)
1647 352 + ((sym3 & 0x03) << 10)
1648 352 + ((sym3 & 0x0C) << 12)
1649 352 + ((sym3 & 0x10) << 15)
1650 352 + ((sym3 & 0x20) << 18);
1651 }
1652
1653 352 static int decode_cbp16(GetBitContext * gb, int subset, int qp)
1654 {
1655 352 int cb_set = rv60_qp_to_idx[qp];
1656 352 return decode_super_cbp(gb, cbp16_vlc[cb_set][subset]);
1657 }
1658
1659 7524 static int decode_cu_r(RV60Context * s, AVFrame * frame, ThreadContext * thread, GetBitContext * gb, int xpos, int ypos, int log_size, int qp, int sel_qp)
1660 {
1661 7524 int size = 1 << log_size;
1662 int split, ret, ttype, count, is_intra, cu_pos, subset, cbp8, imode, split_i4x4, num_clusters, cl_cbp, super_cbp, mv_x, mv_y, mv_pos;
1663 int16_t y_coeffs[16*16], u_coeffs[8*8], v_coeffs[8*8];
1664 CUContext cu;
1665
1666
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7524 if (xpos >= s->awidth || ypos >= s->aheight)
1667 630 return 0;
1668
1669
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6894 split = xpos + size > s->awidth || ypos + size > s->aheight || (size > 8 && get_bits1(gb));
1670 6894 thread->cu_split[thread->cu_split_pos++] = split;
1671
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6894 if (split) {
1672 1782 size >>= 1;
1673 1782 log_size -= 1;
1674
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3564 if ((ret = decode_cu_r(s, frame, thread, gb, xpos, ypos, log_size, qp, sel_qp)) < 0 ||
1675
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3564 (ret = decode_cu_r(s, frame, thread, gb, xpos + size, ypos, log_size, qp, sel_qp)) < 0 ||
1676
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3564 (ret = decode_cu_r(s, frame, thread, gb, xpos, ypos + size, log_size, qp, sel_qp)) < 0 ||
1677 1782 (ret = decode_cu_r(s, frame, thread, gb, xpos + size, ypos + size, log_size, qp, sel_qp)) < 0)
1678 return ret;
1679 1782 return 0;
1680 }
1681
1682 5112 cu.xpos = xpos;
1683 5112 cu.ypos = ypos;
1684 5112 cu.pu_pos = (xpos >> 3) + (ypos >> 3) * s->pu_stride;
1685 5112 cu.blk_pos = (xpos >> 2) + (ypos >> 2) * s->blk_stride;
1686
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5112 cu.cu_type = s->pict_type != AV_PICTURE_TYPE_I ? get_bits(gb, 2) : CU_INTRA;
1687
1688
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5112 switch (cu.cu_type) {
1689 2293 case CU_INTRA:
1690
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2293 cu.pu_type = size == 8 && get_bits1(gb) ? PU_QUARTERS : PU_FULL;
1691
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2293 if (cu.pu_type == PU_QUARTERS)
1692
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3590 for (int i = 0; i < 4; i++)
1693 2872 cu.imode[i] = read_intra_mode(gb, &cu.imode_param[i]);
1694
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1575 else if (size <= 32)
1695 1575 cu.imode[0] = read_intra_mode(gb, &cu.imode_param[0]);
1696 else
1697 cu.imode[0] = get_bits1(gb) ? INTRAMODE_PLANE64 : INTRAMODE_DC64;
1698 2293 break;
1699 1007 case CU_INTER_MV:
1700
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1007 cu.pu_type = get_bits(gb, size == 8 ? 2 : 3);
1701 1007 count = pu_type_num_parts(cu.pu_type);
1702
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3005 for (int i = 0; i < count; i++)
1703 1998 read_mv_info(s, gb, &cu.mv[i], size, cu.pu_type);
1704 1007 break;
1705 1812 default:
1706 1812 cu.pu_type = PU_FULL;
1707 1812 cu.mv[0].mvref = skip_mv_ref[get_unary(gb, 0, 3)];
1708 1812 break;
1709 }
1710
1711 5112 reconstruct(s, &cu, size);
1712
1713
6/6
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5112 split_i4x4 = cu.cu_type == CU_INTRA && size == 8 && cu.pu_type == PU_QUARTERS;
1714
1715
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5112 switch (cu.cu_type) {
1716 2293 case CU_INTRA:
1717 2293 imode = s->blk_info[cu.blk_pos].imode;
1718
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2293 if (!split_i4x4) {
1719 1575 int off = ypos * frame->linesize[0] + xpos;
1720 1575 populate_ipred(s, &cu, frame->data[0], frame->linesize[0], 0, 0, size, 1);
1721
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✓ Branch 2 taken 1575 times.
1575 if (pred_angle(&cu.ipred, frame->data[0] + off, frame->linesize[0], size, imode, 1) < 0)
1722 return AVERROR_INVALIDDATA;
1723 }
1724
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6879 for (int plane = 1; plane < 3; plane++) {
1725 4586 int off = (ypos >> 1) * frame->linesize[plane] + (xpos >> 1);
1726 4586 populate_ipred(s, &cu, frame->data[plane], frame->linesize[plane], 0, 0, size >> 1, 0);
1727
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✓ Branch 2 taken 4586 times.
4586 if (pred_angle(&cu.ipred, frame->data[plane] + off, frame->linesize[plane], size >> 1, imode, 0) < 0)
1728 return AVERROR_INVALIDDATA;
1729 }
1730 2293 break;
1731 2819 default:
1732 2819 mv_x = xpos >> 2;
1733 2819 mv_y = ypos >> 2;
1734 2819 mv_pos = mv_y * s->blk_stride + mv_x;
1735 2819 count = pu_type_num_parts(cu.pu_type);
1736
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6629 for (int part_no = 0; part_no < count; part_no++) {
1737 MVInfo mv;
1738 Dimensions dim;
1739 int bw, bh, bx, by;
1740
1741 3810 mv = s->blk_info[mv_pos].mv;
1742 3810 get_mv_dimensions(&dim, cu.pu_type, part_no, size);
1743 3810 bw = dim.w << 2;
1744 3810 bh = dim.h << 2;
1745 3810 bx = mv_x << 2;
1746 3810 by = mv_y << 2;
1747
1748
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3810 if (!(mv.mvref & 2)) {
1749
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2725 if (!s->last_frame[LAST_PIC]->data[0]) {
1750 av_log(s->avctx, AV_LOG_ERROR, "missing reference frame\n");
1751 return AVERROR_INVALIDDATA;
1752 }
1753 }
1754
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3810 if (mv.mvref & 6) {
1755
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1392 if (!s->last_frame[NEXT_PIC]->data[0]) {
1756 av_log(s->avctx, AV_LOG_ERROR, "missing reference frame\n");
1757 return AVERROR_INVALIDDATA;
1758 }
1759 }
1760
1761
4/5
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3810 switch (mv.mvref) {
1762 2418 case MVREF_REF0:
1763 2418 mc(s, frame->data, frame->linesize, s->last_frame[LAST_PIC], bx, by, bw, bh, mv.f_mv, 0);
1764 2418 break;
1765 207 case MVREF_REF1:
1766 207 mc(s, frame->data, frame->linesize, s->last_frame[NEXT_PIC], bx, by, bw, bh, mv.f_mv, 0);
1767 207 break;
1768 878 case MVREF_BREF:
1769 878 mc(s, frame->data, frame->linesize, s->last_frame[NEXT_PIC], bx, by, bw, bh, mv.b_mv, 0);
1770 878 break;
1771 307 case MVREF_REF0ANDBREF:
1772 307 mc(s, frame->data, frame->linesize, s->last_frame[LAST_PIC], bx, by, bw, bh, mv.f_mv, 0);
1773 307 mc(s, thread->avg_data, thread->avg_linesize, s->last_frame[NEXT_PIC], bx, by, bw, bh, mv.b_mv, 1);
1774 307 avg(frame, thread->avg_data, thread->avg_linesize, bx, by, bw, bh);
1775 307 break;
1776 default:
1777 av_assert0(0); //should never reach here
1778 }
1779 3810 get_next_mv(s, &dim, cu.pu_type, part_no, &mv_pos, &mv_x, &mv_y);
1780 }
1781 2819 break;
1782 }
1783
1784
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5112 if (cu.cu_type == CU_SKIP)
1785 1639 ttype = TRANSFORM_NONE;
1786
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3473 else if (size >= 32)
1787 28 ttype = TRANSFORM_16X16;
1788
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3445 else if (size == 16)
1789
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1058 ttype = cu.cu_type == CU_INTRA || cu.pu_type == PU_FULL ? TRANSFORM_16X16 : TRANSFORM_4X4;
1790 else
1791
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2387 ttype = cu.pu_type == PU_FULL ? TRANSFORM_8X8 : TRANSFORM_4X4;
1792
1793 5112 is_intra = cu.cu_type == CU_INTRA;
1794
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5112 if (qp >= 32)
1795 return AVERROR_INVALIDDATA;
1796 5112 cu_pos = ((xpos & 63) >> 3) + ((ypos & 63) >> 3) * 8;
1797
1798
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5112 switch (ttype) {
1799 1165 case TRANSFORM_4X4:
1800
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1165 subset = is_intra ? 0 : 2;
1801
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1165 if (size == 16) {
1802
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148 int cbp16 = get_bits1(gb) ? decode_cbp16(gb, subset, sel_qp) : 0;
1803
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148 if (cbp16) {
1804 139 decode_cu_4x4in16x16(gb, is_intra, qp, sel_qp, y_coeffs, u_coeffs, v_coeffs, cbp16);
1805
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695 for (int y = 0; y < 4; y++)
1806
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2780 for (int x = 0; x < 4; x++) {
1807 2224 int i = y*4 + x;
1808
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2224 if ((cbp16 >> i) & 1) {
1809 979 int off = (ypos + y * 4)*frame->linesize[0] + xpos + x * 4;
1810 979 ff_rv60_idct4x4_add(y_coeffs + i*16, frame->data[0] + off, frame->linesize[0]);
1811 979 thread->coded_blk[cu_pos + (y/2)*8 + (x/2)] = 1;
1812 }
1813 }
1814
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417 for (int y = 0; y < 2; y++)
1815
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834 for (int x = 0; x < 2; x++) {
1816 556 int i = y * 2 + x;
1817 556 int xoff = (xpos >> 1) + x * 4;
1818 556 int yoff = (ypos >> 1) + y * 4;
1819
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556 if ((cbp16 >> (16 + i)) & 1) {
1820 341 int off = yoff * frame->linesize[1] + xoff;
1821 341 ff_rv60_idct4x4_add(u_coeffs + i * 16, frame->data[1] + off, frame->linesize[1]);
1822 341 thread->coded_blk[cu_pos + y*8 + x] = 1;
1823 }
1824
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556 if ((cbp16 >> (20 + i)) & 1) {
1825 335 int off = yoff * frame->linesize[2] + xoff;
1826 335 ff_rv60_idct4x4_add(v_coeffs + i * 16, frame->data[2] + off, frame->linesize[2]);
1827 335 thread->coded_blk[cu_pos + y*8 + x] = 1;
1828 }
1829 }
1830 }
1831 } else {
1832 1017 cbp8 = decode_cbp8(gb, subset, sel_qp);
1833
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1017 if (cbp8) {
1834 967 thread->coded_blk[cu_pos] = 1;
1835 967 decode_cu_8x8(gb, is_intra, qp, sel_qp, y_coeffs, u_coeffs, v_coeffs, cbp8, 1);
1836 }
1837
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5085 for (int i = 0; i < 4; i++) {
1838 4068 int xoff = (i & 1) << 2;
1839 4068 int yoff = (i & 2) << 1;
1840
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4068 if (split_i4x4) {
1841 2872 int off = (ypos + yoff) * frame->linesize[0] + xpos + xoff;
1842 2872 int imode = s->blk_info[cu.blk_pos + (i >> 1) * s->blk_stride + (i & 1)].imode;
1843 2872 populate_ipred(s, &cu, frame->data[0], frame->linesize[0], xoff, yoff, 4, 1);
1844
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2872 if (pred_angle(&cu.ipred, frame->data[0] + off, frame->linesize[0], 4, imode, 1) < 0)
1845 return AVERROR_INVALIDDATA;
1846 }
1847
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4068 if ((cbp8 >> i) & 1) {
1848 2468 int off = (ypos + yoff) * frame->linesize[0] + xpos + xoff;
1849 2468 ff_rv60_idct4x4_add(y_coeffs + i * 16, frame->data[0] + off, frame->linesize[0]);
1850 }
1851 }
1852
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1017 if ((cbp8 >> 4) & 1) {
1853 935 int off = (ypos >> 1) * frame->linesize[1] + (xpos >> 1);
1854 935 ff_rv60_idct4x4_add(u_coeffs, frame->data[1] + off, frame->linesize[1]);
1855 }
1856
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1017 if ((cbp8 >> 5) & 1) {
1857 936 int off = (ypos >> 1) * frame->linesize[2] + (xpos >> 1);
1858 936 ff_rv60_idct4x4_add(v_coeffs, frame->data[2] + off, frame->linesize[2]);
1859 }
1860 }
1861 1165 break;
1862 1370 case TRANSFORM_8X8:
1863
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1370 subset = is_intra ? 1 : 3;
1864 1370 cbp8 = decode_cbp8(gb, subset, sel_qp);
1865
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1370 if (cbp8) {
1866 934 thread->coded_blk[cu_pos] = 1;
1867 934 decode_cu_8x8(gb, is_intra, qp, sel_qp, y_coeffs, u_coeffs, v_coeffs, cbp8, 0);
1868
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934 if (cbp8 & 0xF) {
1869 851 int off = ypos * frame->linesize[0] + xpos;
1870 851 ff_rv60_idct8x8_add(y_coeffs, frame->data[0] + off, frame->linesize[0]);
1871 }
1872
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934 if ((cbp8 >> 4) & 1) {
1873 806 int off = (ypos >> 1) * frame->linesize[1] + (xpos >> 1);
1874 806 ff_rv60_idct4x4_add(u_coeffs, frame->data[1] + off, frame->linesize[1]);
1875 }
1876
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934 if ((cbp8 >> 5) & 1) {
1877 842 int off = (ypos >> 1) * frame->linesize[2] + (xpos >> 1);
1878 842 ff_rv60_idct4x4_add(v_coeffs, frame->data[2] + off, frame->linesize[2]);
1879 }
1880 }
1881 1370 break;
1882 938 case TRANSFORM_16X16:
1883
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938 subset = is_intra ? 1 : 3;
1884 938 num_clusters = size >> 4;
1885 938 cl_cbp = get_bits(gb, num_clusters * num_clusters);
1886
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1904 for (int y = 0; y < num_clusters; y++) {
1887
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1988 for (int x = 0; x < num_clusters; x++) {
1888
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1022 if (!((cl_cbp >> (y*num_clusters + x)) & 1))
1889 809 continue;
1890 213 thread->coded_blk[cu_pos + y*2*8 + x*2 + 0] = 1;
1891 213 thread->coded_blk[cu_pos + y*2*8 + x*2 + 1] = 1;
1892 213 thread->coded_blk[cu_pos + y*2*8 + x*2 + 8] = 1;
1893 213 thread->coded_blk[cu_pos + y*2*8 + x*2 + 9] = 1;
1894 213 super_cbp = decode_cbp16(gb, subset, sel_qp);
1895
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213 if (super_cbp) {
1896 213 decode_cu_16x16(gb, is_intra, qp, sel_qp, y_coeffs, u_coeffs, v_coeffs, super_cbp);
1897
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213 if (super_cbp & 0xFFFF) {
1898 171 int off = (ypos + y * 16) * frame->linesize[0] + xpos + x * 16;
1899 171 ff_rv60_idct16x16_add(y_coeffs, frame->data[0] + off, frame->linesize[0]);
1900 }
1901
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213 if ((super_cbp >> 16) & 0xF) {
1902 162 int off = ((ypos >> 1) + y * 8) * frame->linesize[1] + (xpos >> 1) + x * 8;
1903 162 ff_rv60_idct8x8_add(u_coeffs, frame->data[1] + off, frame->linesize[1]);
1904 }
1905
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213 if ((super_cbp >> 20) & 0xF) {
1906 194 int off = ((ypos >> 1) + y * 8) * frame->linesize[2] + (xpos >> 1) + x * 8;
1907 194 ff_rv60_idct8x8_add(v_coeffs, frame->data[2] + off, frame->linesize[2]);
1908 }
1909 }
1910 }
1911 }
1912 938 break;
1913 }
1914
1915 5112 return 0;
1916 }
1917
1918 19711 static int deblock_get_pos(RV60Context * s, int xpos, int ypos)
1919 {
1920 19711 return (ypos >> 2) * s->dblk_stride + (xpos >> 2);
1921 }
1922
1923 7779 static void deblock_set_strength(RV60Context * s, int xpos, int ypos, int size, int q, int strength)
1924 {
1925 7779 int pos = deblock_get_pos(s, xpos, ypos);
1926 7779 int dsize = size >> 2;
1927 7779 int dval = (q << 2) + strength;
1928
1929
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31407 for (int x = 0; x < dsize; x++) {
1930 23628 s->top_str[pos + x] = dval;
1931 23628 s->top_str[pos + (dsize - 1)*s->dblk_stride + x] = dval;
1932 }
1933
1934
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31407 for (int y = 0; y < dsize; y++) {
1935 23628 s->left_str[pos + y*s->dblk_stride] = dval;
1936 23628 s->left_str[pos + y*s->dblk_stride + dsize - 1] = dval;
1937 }
1938 7779 }
1939
1940 13514 static int deblock_get_top_strength(const RV60Context * s, int pos)
1941 {
1942 13514 return s->top_str[pos] & 3;
1943 }
1944
1945 13716 static int deblock_get_left_strength(const RV60Context * s, int pos)
1946 {
1947 13716 return s->left_str[pos] & 3;
1948 }
1949
1950 1770 static void deblock_set_top_strength(RV60Context * s, int pos, int strength)
1951 {
1952 1770 s->top_str[pos] |= strength;
1953 1770 }
1954
1955 1216 static void deblock_set_left_strength(RV60Context * s, int pos, int strength)
1956 {
1957 1216 s->left_str[pos] |= strength;
1958 1216 }
1959
1960 4153 static void derive_deblock_strength(RV60Context * s, int xpos, int ypos, int size)
1961 {
1962 4153 int blk_pos = (ypos >> 2) * s->blk_stride + (xpos >> 2);
1963 4153 int dblk_pos = deblock_get_pos(s, xpos, ypos);
1964
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4153 if (ypos > 0)
1965
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17364 for (int i = 0; i < size; i++)
1966
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13514 if (!deblock_get_top_strength(s, dblk_pos - s->dblk_stride + i) && mvinfo_is_deblock_cand(&s->blk_info[blk_pos + i].mv, &s->blk_info[blk_pos - s->blk_stride + i].mv))
1967 1770 deblock_set_top_strength(s, dblk_pos + i, 1);
1968
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4153 if (xpos > 0)
1969
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17621 for (int i = 0; i < size; i++)
1970
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13716 if (!deblock_get_left_strength(s, dblk_pos + i *s->dblk_stride - 1) && mvinfo_is_deblock_cand(&s->blk_info[blk_pos + i*s->blk_stride].mv, &s->blk_info[blk_pos + i*s->blk_stride - 1].mv))
1971 1216 deblock_set_left_strength(s, dblk_pos + i *s->dblk_stride, 1);
1972 4153 }
1973
1974 #define STRENGTH(el, lim) (FFABS(el) < (lim) ? 3 : 1)
1975 #define CLIP_SYMM(a, b) av_clip(a, -(b), b)
1976
1977 23366 static void filter_luma_edge(uint8_t * dst, int step, int stride, int mode1, int mode2, int lim1, int lim2)
1978 {
1979 int16_t diff_q1q0[4];
1980 int16_t diff_p1p0[4];
1981 int str_p, str_q, msum, maxprod, weak;
1982
1983
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116830 for (int i = 0; i < 4; i++) {
1984 93464 diff_q1q0[i] = dst[i * stride - 2*step] - dst[i*stride - step];
1985 93464 diff_p1p0[i] = dst[i * stride + step] - dst[i*stride];
1986 }
1987
1988
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23366 str_p = STRENGTH(diff_q1q0[0] + diff_q1q0[1] + diff_q1q0[2] + diff_q1q0[3], lim2);
1989
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23366 str_q = STRENGTH(diff_p1p0[0] + diff_p1p0[1] + diff_p1p0[2] + diff_p1p0[3], lim2);
1990
1991
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23366 if (str_p + str_q <= 2)
1992 22045 return;
1993
1994 1321 msum = (mode1 + mode2 + str_q + str_p) >> 1;
1995
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1321 if (str_q == 1 || str_p == 1) {
1996 102 maxprod = 384;
1997 102 weak = 1;
1998 } else {
1999 1219 maxprod = 256;
2000 1219 weak = 0;
2001 }
2002
2003
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6605 for (int y = 0; y < 4; y++) {
2004 5284 int diff_p0q0 = dst[0] - dst[-step];
2005 5284 int result = (lim1 * FFABS(diff_p0q0)) & -128;
2006
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5284 if (diff_p0q0 && result <= maxprod) {
2007 2011 int diff_q1q2 = dst[-2*step] - dst[-3*step];
2008 2011 int diff_p1p2 = dst[step] - dst[2*step];
2009 int delta;
2010
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2011 if (weak) {
2011 126 delta = CLIP_SYMM((diff_p0q0 + 1) >> 1, msum >> 1);
2012 } else {
2013 1885 int diff_strg = (dst[-2*step] - dst[step] + 4 * diff_p0q0 + 4) >> 3;
2014 1885 delta = CLIP_SYMM(diff_strg, msum);
2015 }
2016 2011 dst[-step] = av_clip_uint8(dst[-step] + delta);
2017 2011 dst[0] = av_clip_uint8(dst[0] - delta);
2018
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2011 if (str_p != 1 && FFABS(diff_q1q2) <= (lim2 >> 2)) {
2019 1253 int diff = (diff_q1q0[y] + diff_q1q2 - delta) >> 1;
2020
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1253 int delta_q1 = weak ? CLIP_SYMM(diff, mode1 >> 1) : CLIP_SYMM(diff, mode1);
2021 1253 dst[-2 * step] = av_clip_uint8(dst[-2*step] - delta_q1);
2022 }
2023
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2011 if (str_q != 1 && FFABS(diff_p1p2) <= (lim2 >> 2)) {
2024 1733 int diff = (diff_p1p0[y] + diff_p1p2 + delta) >> 1;
2025
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1733 int delta_p1 = weak ? CLIP_SYMM(diff, mode2 >> 1) : CLIP_SYMM(diff, mode2);
2026 1733 dst[step] = av_clip_uint8(dst[step] - delta_p1);
2027 }
2028 }
2029 5284 dst += stride;
2030 }
2031 }
2032
2033 26792 static void filter_chroma_edge(uint8_t * dst, int step, int stride, int mode1, int mode2, int lim1, int lim2)
2034 {
2035 26792 int diff_q = 4 * FFABS(dst[-2*step] - dst[-step]);
2036 26792 int diff_p = 4 * FFABS(dst[ step] - dst[0]);
2037
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26792 int str_q = STRENGTH(diff_q, lim2);
2038
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26792 int str_p = STRENGTH(diff_p, lim2);
2039 int msum, maxprod, weak;
2040
2041
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26792 if (str_p + str_q <= 2)
2042 26545 return;
2043
2044 247 msum = (mode1 + mode2 + str_q + str_p) >> 1;
2045
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247 if (str_q == 1 || str_p == 1) {
2046 145 maxprod = 384;
2047 145 weak = 1;
2048 } else {
2049 102 maxprod = 256;
2050 102 weak = 0;
2051 }
2052
2053
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741 for (int y = 0; y < 2; y++) {
2054 494 int diff_pq = dst[0] - dst[-step];
2055 494 int result = (lim1 * FFABS(diff_pq)) & -128;
2056
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494 if (diff_pq && result <= maxprod) {
2057 int delta;
2058
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195 if (weak) {
2059 111 delta = CLIP_SYMM((diff_pq + 1) >> 1, msum >> 1);
2060 } else {
2061 84 int diff_strg = (dst[-2*step] - dst[step] + 4 * diff_pq + 4) >> 3;
2062 84 delta = CLIP_SYMM(diff_strg, msum);
2063 }
2064 195 dst[-step] = av_clip_uint8(dst[-step] + delta);
2065 195 dst[ 0 ] = av_clip_uint8(dst[ 0 ] - delta);
2066 }
2067 494 dst += stride;
2068 }
2069 }
2070
2071 11120 static void deblock_edge_ver(AVFrame * frame, int xpos, int ypos, int dblk_l, int dblk_r, int deblock_chroma)
2072 {
2073 11120 int qp_l = dblk_l >> 2;
2074 11120 int str_l = dblk_l & 3;
2075 11120 int qp_r = dblk_r >> 2;
2076 11120 int str_r = dblk_r & 3;
2077 11120 const uint8_t * dl_l = rv60_deblock_limits[qp_l];
2078 11120 const uint8_t * dl_r = rv60_deblock_limits[qp_r];
2079
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11120 int mode_l = str_l ? dl_l[str_l - 1] : 0;
2080
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11120 int mode_r = str_r ? dl_r[str_r - 1] : 0;
2081 11120 int lim1 = dl_r[2];
2082 11120 int lim2 = dl_r[3] * 4;
2083
2084 11120 filter_luma_edge(frame->data[0] + ypos * frame->linesize[0] + xpos, 1, frame->linesize[0], mode_l, mode_r, lim1, lim2);
2085
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11120 if ((str_l | str_r) >= 2 && deblock_chroma)
2086
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19980 for (int plane = 1; plane < 3; plane++)
2087 13320 filter_chroma_edge(frame->data[plane] + (ypos >> 1) * frame->linesize[plane] + (xpos >> 1), 1, frame->linesize[plane], mode_l, mode_r, lim1, lim2);
2088 11120 }
2089
2090 12246 static void deblock_edge_hor(AVFrame * frame, int xpos, int ypos, int dblk_t, int dblk_d, int deblock_chroma)
2091 {
2092 12246 int qp_t = dblk_t >> 2;
2093 12246 int str_t = dblk_t & 3;
2094 12246 int qp_d = dblk_d >> 2;
2095 12246 int str_d = dblk_d & 3;
2096 12246 const uint8_t * dl_t = rv60_deblock_limits[qp_t];
2097 12246 const uint8_t * dl_d = rv60_deblock_limits[qp_d];
2098
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12246 int mode_t = str_t ? dl_t[str_t - 1] : 0;
2099
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12246 int mode_d = str_d ? dl_d[str_d - 1] : 0;
2100 12246 int lim1 = dl_d[2];
2101 12246 int lim2 = dl_d[3] * 4;
2102
2103 12246 filter_luma_edge(frame->data[0] + ypos * frame->linesize[0] + xpos, frame->linesize[0], 1, mode_t, mode_d, lim1, lim2);
2104
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12246 if ((str_t | str_d) >= 2 && deblock_chroma)
2105
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20208 for (int plane = 1; plane < 3; plane++)
2106 13472 filter_chroma_edge(frame->data[plane] + (ypos >> 1) * frame->linesize[plane] + (xpos >> 1), frame->linesize[plane], 1, mode_t, mode_d, lim1, lim2);
2107 12246 }
2108
2109 15849 static void deblock8x8(const RV60Context * s, AVFrame * frame, int xpos, int ypos, int dblkpos)
2110 {
2111
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15849 if (xpos > 0) {
2112
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15243 if (ypos > 0) {
2113 14676 int str_l = s->left_str[dblkpos - s->dblk_stride - 1];
2114 14676 int str_r = s->left_str[dblkpos - s->dblk_stride];
2115
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14676 if ((str_l | str_r) & 3)
2116 5422 deblock_edge_ver(frame, xpos, ypos - 4, str_l, str_r, s->deblock_chroma);
2117 }
2118 {
2119 15243 int str_l = s->left_str[dblkpos - 1];
2120 15243 int str_r = s->left_str[dblkpos];
2121
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15243 if ((str_l | str_r) & 3)
2122 5563 deblock_edge_ver(frame, xpos, ypos, str_l, str_r, s->deblock_chroma);
2123 }
2124
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15243 if (ypos + 8 >= s->aheight) {
2125 312 int str_l = s->left_str[dblkpos + s->dblk_stride - 1];
2126 312 int str_r = s->left_str[dblkpos + s->dblk_stride];
2127
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312 if ((str_l | str_r) & 3)
2128 135 deblock_edge_ver(frame, xpos, ypos + 4, str_l, str_r, s->deblock_chroma);
2129 }
2130 }
2131
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15849 if (ypos > 0) {
2132
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15243 if (xpos > 0) {
2133 14676 int str_t = s->top_str[dblkpos - s->dblk_stride - 1];
2134 14676 int str_d = s->top_str[dblkpos - 1];
2135
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✓ Branch 1 taken 8770 times.
14676 if ((str_t | str_d) & 3)
2136 5906 deblock_edge_hor(frame, xpos - 4, ypos, str_t, str_d, s->deblock_chroma);
2137 }
2138 {
2139 15243 int str_t = s->top_str[dblkpos - s->dblk_stride];
2140 15243 int str_d = s->top_str[dblkpos];
2141
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✓ Branch 1 taken 9123 times.
15243 if ((str_t | str_d) & 3)
2142 6120 deblock_edge_hor(frame, xpos, ypos, str_t, str_d, s->deblock_chroma);
2143 }
2144
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✓ Branch 1 taken 14898 times.
15243 if (xpos + 8 >= s->awidth) {
2145 345 int str_t = s->top_str[dblkpos - s->dblk_stride + 1];
2146 345 int str_d = s->top_str[dblkpos + 1];
2147
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✓ Branch 1 taken 125 times.
345 if ((str_t | str_d) & 3)
2148 220 deblock_edge_hor(frame, xpos + 4, ypos, str_t, str_d, s->deblock_chroma);
2149 }
2150 }
2151 15849 }
2152
2153 7779 static void deblock(const RV60Context * s, AVFrame * frame, int xpos, int ypos, int size, int dpos)
2154 {
2155
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19593 for (int x = 0; x < size >> 3; x++)
2156 11814 deblock8x8(s, frame, xpos + x * 8, ypos, dpos + x * 2);
2157
2158
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11814 for (int y = 1; y < size >> 3; y++)
2159 4035 deblock8x8(s, frame, xpos, ypos + y * 8, dpos + y * 2 * s->dblk_stride);
2160 7779 }
2161
2162 7524 static void deblock_cu_r(RV60Context * s, AVFrame * frame, ThreadContext * thread, int xpos, int ypos, int log_size, int qp)
2163 {
2164 int pu_pos, tsize, ntiles;
2165 enum CUType cu_type;
2166
2167
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7524 if (xpos >= s->awidth || ypos >= s->aheight)
2168 630 return;
2169
2170
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6894 if (thread->cu_split[thread->cu_split_pos++]) {
2171 1782 int hsize = 1 << (log_size - 1);
2172 1782 log_size--;
2173 1782 deblock_cu_r(s, frame, thread, xpos, ypos, log_size, qp);
2174 1782 deblock_cu_r(s, frame, thread, xpos + hsize, ypos, log_size, qp);
2175 1782 deblock_cu_r(s, frame, thread, xpos, ypos + hsize, log_size, qp);
2176 1782 deblock_cu_r(s, frame, thread, xpos + hsize, ypos + hsize, log_size, qp);
2177 1782 return;
2178 }
2179
2180 5112 pu_pos = (ypos >> 3) * s->pu_stride + (xpos >> 3);
2181 5112 cu_type = s->pu_info[pu_pos].cu_type;
2182
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5112 switch (log_size) {
2183 3152 case 3: tsize = 3; break;
2184
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1683 case 4: tsize = cu_type && s->pu_info[pu_pos].pu_type ? 3 : 4; break;
2185 277 case 5:
2186 277 case 6: tsize = 4; break;
2187 }
2188 5112 ntiles = 1 << (log_size - tsize);
2189
2190
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10881 for (int ty = 0; ty < ntiles; ty++)
2191
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13548 for (int tx = 0; tx < ntiles; tx++) {
2192 7779 int x = xpos + (tx << tsize);
2193 7779 int y = ypos + (ty << tsize);
2194 7779 int cu_pos = ((y & 63) >> 3) * 8 + ((x & 63) >> 3);
2195
2196
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7779 if (cu_type == CU_INTRA)
2197 2293 deblock_set_strength(s, x, y, 1 << tsize, qp, 2);
2198
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5486 else if (cu_type != CU_SKIP && thread->coded_blk[cu_pos])
2199 1333 deblock_set_strength(s, x, y, 1 << tsize, qp, 1);
2200 else {
2201 4153 deblock_set_strength(s, x, y, 1 << tsize, qp, 0);
2202 4153 derive_deblock_strength(s, x, y, 1 << (tsize - 2));
2203 }
2204
2205 7779 deblock(s, frame, x, y, 1 << tsize, deblock_get_pos(s, x, y));
2206 }
2207 }
2208
2209 396 static int read_qp_offset(GetBitContext *gb, int qp_off_type)
2210 {
2211 int val;
2212
2213
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396 switch (qp_off_type) {
2214 396 case 0:
2215 396 return 0;
2216 case 1:
2217 val = read_code012(gb);
2218 return val != 2 ? val : -1;
2219 default:
2220 if (!get_bits1(gb))
2221 return 0;
2222 val = get_bits(gb, 2);
2223 if (!(val & 2))
2224 return val + 1;
2225 else
2226 return -((val & 1) + 1);
2227 }
2228 }
2229
2230 396 static int calc_sel_qp(int osvquant, int qp)
2231 {
2232
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396 switch (osvquant) {
2233 140 case 0: return qp;
2234 case 1: return qp <= 25 ? qp + 5 : qp;
2235 256 default:
2236
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256 if (qp <= 18)
2237 256 return qp + 10;
2238 else if (qp <= 25)
2239 return qp + 5;
2240 else
2241 return qp;
2242 }
2243 }
2244
2245 102 static int decode_slice(AVCodecContext *avctx, void *tdata, int cu_y, int threadnr)
2246 {
2247 102 RV60Context *s = avctx->priv_data;
2248 102 AVFrame * frame = tdata;
2249 ThreadContext thread;
2250 GetBitContext gb;
2251 int qp, sel_qp, ret;
2252
2253 102 thread.avg_data[0] = thread.avg_buffer;
2254 102 thread.avg_data[1] = thread.avg_buffer + 64*64;
2255 102 thread.avg_data[2] = thread.avg_buffer + 64*64 + 32*32;
2256 102 thread.avg_linesize[0] = 64;
2257 102 thread.avg_linesize[1] = 32;
2258 102 thread.avg_linesize[2] = 32;
2259
2260
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102 if ((ret = init_get_bits8(&gb, s->slice[cu_y].data, s->slice[cu_y].data_size)) < 0)
2261 return ret;
2262
2263
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498 for (int cu_x = 0; cu_x < s->cu_width; cu_x++) {
2264
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396 if ((s->avctx->active_thread_type & FF_THREAD_SLICE) && cu_y)
2265 ff_thread_progress_await(&s->progress[cu_y - 1], cu_x + 2);
2266
2267 396 qp = s->qp + read_qp_offset(&gb, s->qp_off_type);
2268
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396 if (qp < 0) {
2269 ret = AVERROR_INVALIDDATA;
2270 break;
2271 }
2272 396 sel_qp = calc_sel_qp(s->osvquant, qp);
2273
2274 396 memset(thread.coded_blk, 0, sizeof(thread.coded_blk));
2275 396 thread.cu_split_pos = 0;
2276
2277
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396 if ((ret = decode_cu_r(s, frame, &thread, &gb, cu_x << 6, cu_y << 6, 6, qp, sel_qp)) < 0)
2278 break;
2279
2280
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396 if (s->deblock) {
2281 396 thread.cu_split_pos = 0;
2282 396 deblock_cu_r(s, frame, &thread, cu_x << 6, cu_y << 6, 6, qp);
2283 }
2284
2285
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396 if (s->avctx->active_thread_type & FF_THREAD_SLICE)
2286 ff_thread_progress_report(&s->progress[cu_y], cu_x + 1);
2287 }
2288
2289
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102 if (s->avctx->active_thread_type & FF_THREAD_SLICE)
2290 ff_thread_progress_report(&s->progress[cu_y], INT_MAX);
2291
2292 102 return ret;
2293 }
2294
2295 43 static int rv60_decode_frame(AVCodecContext *avctx, AVFrame * frame,
2296 int * got_frame, AVPacket * avpkt)
2297 {
2298 43 RV60Context *s = avctx->priv_data;
2299 GetBitContext gb;
2300 int ret, header_size, width, height, ofs;
2301
2302
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43 if (avpkt->size == 0) {
2303
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4 if (s->last_frame[NEXT_PIC]->data[0]) {
2304 2 av_frame_move_ref(frame, s->last_frame[NEXT_PIC]);
2305 2 *got_frame = 1;
2306 }
2307 4 return 0;
2308 }
2309
2310
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39 if (avpkt->size < 9)
2311 return AVERROR_INVALIDDATA;
2312
2313 39 header_size = avpkt->data[0] * 8 + 9;
2314
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39 if (avpkt->size < header_size)
2315 return AVERROR_INVALIDDATA;
2316
2317
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39 if ((ret = init_get_bits8(&gb, avpkt->data + header_size, avpkt->size - header_size)) < 0)
2318 return ret;
2319
2320
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39 if ((ret = read_frame_header(s, &gb, &width, &height)) < 0)
2321 return ret;
2322
2323
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39 if (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B ||
2324
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39 avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type != AV_PICTURE_TYPE_I ||
2325
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39 avctx->skip_frame >= AVDISCARD_ALL)
2326 return avpkt->size;
2327
2328
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39 if (s->pict_type != AV_PICTURE_TYPE_B)
2329 15 FFSWAP(AVFrame *, s->last_frame[NEXT_PIC], s->last_frame[LAST_PIC]);
2330
2331
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39 if ((s->pict_type == AV_PICTURE_TYPE_P && !s->last_frame[LAST_PIC]->data[0]) ||
2332
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39 (s->pict_type == AV_PICTURE_TYPE_B && (!s->last_frame[LAST_PIC]->data[0] || !s->last_frame[NEXT_PIC]->data[0]))) {
2333 av_log(s->avctx, AV_LOG_ERROR, "missing reference frame\n");
2334 return AVERROR_INVALIDDATA;
2335 }
2336
2337 39 s->last_frame[CUR_PIC]->pict_type = s->pict_type;
2338
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39 if (s->pict_type == AV_PICTURE_TYPE_I)
2339 2 s->last_frame[CUR_PIC]->flags |= AV_FRAME_FLAG_KEY;
2340
2341
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39 if ((ret = update_dimensions_clear_info(s, width, height)) < 0)
2342 return ret;
2343
2344
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39 if (!s->last_frame[CUR_PIC]->data[0])
2345
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39 if ((ret = ff_get_buffer(avctx, s->last_frame[CUR_PIC], 0)) < 0)
2346 return ret;
2347
2348
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39 if ((ret = read_slice_sizes(s, &gb)) < 0)
2349 return ret;
2350
2351 39 ofs = get_bits_count(&gb) / 8;
2352
2353
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141 for (int i = 0; i < s->cu_height; i++) {
2354
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102 if (ofs >= avpkt->size - header_size)
2355 return AVERROR_INVALIDDATA;
2356 102 s->slice[i].data = avpkt->data + header_size + ofs;
2357 102 s->slice[i].data_size = FFMIN(s->slice[i].size, avpkt->size - header_size - ofs);
2358
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102 if (s->slice[i].size > INT32_MAX - ofs)
2359 return AVERROR_INVALIDDATA;
2360 102 ofs += s->slice[i].size;
2361 }
2362
2363 39 ret = progress_init(s, s->cu_height);
2364
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39 if (ret < 0)
2365 return ret;
2366
2367 39 s->avctx->execute2(s->avctx, decode_slice, s->last_frame[CUR_PIC], NULL, s->cu_height);
2368
2369 39 ret = 0;
2370
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39 if (s->pict_type == AV_PICTURE_TYPE_B)
2371 24 av_frame_move_ref(frame, s->last_frame[CUR_PIC]);
2372
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15 else if (s->last_frame[LAST_PIC]->data[0])
2373 13 ret = av_frame_ref(frame, s->last_frame[LAST_PIC]);
2374
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39 if (ret < 0)
2375 return ret;
2376
2377
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39 if (frame->data[0])
2378 37 *got_frame = 1;
2379
2380
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39 if (s->pict_type != AV_PICTURE_TYPE_B) {
2381 15 av_frame_unref(s->last_frame[NEXT_PIC]);
2382 15 FFSWAP(AVFrame *, s->last_frame[CUR_PIC], s->last_frame[NEXT_PIC]);
2383 }
2384
2385
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39 if (s->pict_type != AV_PICTURE_TYPE_B) {
2386 15 s->ref_pts[0] = s->ref_pts[1];
2387 15 s->ref_pts[1] = avpkt->pts;
2388
2389 15 s->ref_ts[0] = s->ref_ts[1];
2390 15 s->ref_ts[1] = s->ts;
2391
2392
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15 if (s->ref_pts[1] > s->ref_pts[0] && s->ref_ts[1] > s->ref_ts[0])
2393 13 s->ts_scale = (s->ref_pts[1] - s->ref_pts[0]) / (s->ref_ts[1] - s->ref_ts[0]);
2394 } else {
2395 24 frame->pts = s->ref_pts[0] + (s->ts - s->ref_ts[0]) * s->ts_scale;
2396 }
2397
2398 39 return avpkt->size;
2399 }
2400
2401 static av_cold void rv60_flush(AVCodecContext *avctx)
2402 {
2403 RV60Context *s = avctx->priv_data;
2404
2405 for (int i = 0; i < 3; i++)
2406 av_frame_unref(s->last_frame[i]);
2407 }
2408
2409 4 static av_cold int rv60_decode_end(AVCodecContext * avctx)
2410 {
2411 4 RV60Context *s = avctx->priv_data;
2412
2413
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16 for (int i = 0; i < 3; i++)
2414 12 av_frame_free(&s->last_frame[i]);
2415
2416 4 av_freep(&s->slice);
2417 4 av_freep(&s->pu_info);
2418 4 av_freep(&s->blk_info);
2419 4 av_freep(&s->top_str);
2420 4 av_freep(&s->left_str);
2421
2422
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14 for (int i = 0; i < s->nb_progress; i++)
2423 10 ff_thread_progress_destroy(&s->progress[i]);
2424 4 av_freep(&s->progress);
2425
2426 4 return 0;
2427 }
2428
2429 const FFCodec ff_rv60_decoder = {
2430 .p.name = "rv60",
2431 CODEC_LONG_NAME("RealVideo 6.0"),
2432 .p.type = AVMEDIA_TYPE_VIDEO,
2433 .p.id = AV_CODEC_ID_RV60,
2434 .priv_data_size = sizeof(RV60Context),
2435 .init = rv60_decode_init,
2436 .close = rv60_decode_end,
2437 FF_CODEC_DECODE_CB(rv60_decode_frame),
2438 .flush = rv60_flush,
2439 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY | AV_CODEC_CAP_SLICE_THREADS,
2440 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
2441 };
2442