Line data Source code
1 : /*
2 : * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3 : *
4 : * Use of this source code is governed by a BSD-style license
5 : * that can be found in the LICENSE file in the root of the source
6 : * tree. An additional intellectual property rights grant can be found
7 : * in the file PATENTS. All contributing project authors may
8 : * be found in the AUTHORS file in the root of the source tree.
9 : */
10 :
11 : #include "./vpx_config.h"
12 : #include "./vpx_dsp_rtcd.h"
13 : #include "vp9/common/vp9_loopfilter.h"
14 : #include "vp9/common/vp9_onyxc_int.h"
15 : #include "vp9/common/vp9_reconinter.h"
16 : #include "vpx_dsp/vpx_dsp_common.h"
17 : #include "vpx_mem/vpx_mem.h"
18 : #include "vpx_ports/mem.h"
19 :
20 : #include "vp9/common/vp9_seg_common.h"
21 :
22 : // 64 bit masks for left transform size. Each 1 represents a position where
23 : // we should apply a loop filter across the left border of an 8x8 block
24 : // boundary.
25 : //
26 : // In the case of TX_16X16-> ( in low order byte first we end up with
27 : // a mask that looks like this
28 : //
29 : // 10101010
30 : // 10101010
31 : // 10101010
32 : // 10101010
33 : // 10101010
34 : // 10101010
35 : // 10101010
36 : // 10101010
37 : //
38 : // A loopfilter should be applied to every other 8x8 horizontally.
39 : static const uint64_t left_64x64_txform_mask[TX_SIZES] = {
40 : 0xffffffffffffffffULL, // TX_4X4
41 : 0xffffffffffffffffULL, // TX_8x8
42 : 0x5555555555555555ULL, // TX_16x16
43 : 0x1111111111111111ULL, // TX_32x32
44 : };
45 :
46 : // 64 bit masks for above transform size. Each 1 represents a position where
47 : // we should apply a loop filter across the top border of an 8x8 block
48 : // boundary.
49 : //
50 : // In the case of TX_32x32 -> ( in low order byte first we end up with
51 : // a mask that looks like this
52 : //
53 : // 11111111
54 : // 00000000
55 : // 00000000
56 : // 00000000
57 : // 11111111
58 : // 00000000
59 : // 00000000
60 : // 00000000
61 : //
62 : // A loopfilter should be applied to every other 4 the row vertically.
63 : static const uint64_t above_64x64_txform_mask[TX_SIZES] = {
64 : 0xffffffffffffffffULL, // TX_4X4
65 : 0xffffffffffffffffULL, // TX_8x8
66 : 0x00ff00ff00ff00ffULL, // TX_16x16
67 : 0x000000ff000000ffULL, // TX_32x32
68 : };
69 :
70 : // 64 bit masks for prediction sizes (left). Each 1 represents a position
71 : // where left border of an 8x8 block. These are aligned to the right most
72 : // appropriate bit, and then shifted into place.
73 : //
74 : // In the case of TX_16x32 -> ( low order byte first ) we end up with
75 : // a mask that looks like this :
76 : //
77 : // 10000000
78 : // 10000000
79 : // 10000000
80 : // 10000000
81 : // 00000000
82 : // 00000000
83 : // 00000000
84 : // 00000000
85 : static const uint64_t left_prediction_mask[BLOCK_SIZES] = {
86 : 0x0000000000000001ULL, // BLOCK_4X4,
87 : 0x0000000000000001ULL, // BLOCK_4X8,
88 : 0x0000000000000001ULL, // BLOCK_8X4,
89 : 0x0000000000000001ULL, // BLOCK_8X8,
90 : 0x0000000000000101ULL, // BLOCK_8X16,
91 : 0x0000000000000001ULL, // BLOCK_16X8,
92 : 0x0000000000000101ULL, // BLOCK_16X16,
93 : 0x0000000001010101ULL, // BLOCK_16X32,
94 : 0x0000000000000101ULL, // BLOCK_32X16,
95 : 0x0000000001010101ULL, // BLOCK_32X32,
96 : 0x0101010101010101ULL, // BLOCK_32X64,
97 : 0x0000000001010101ULL, // BLOCK_64X32,
98 : 0x0101010101010101ULL, // BLOCK_64X64
99 : };
100 :
101 : // 64 bit mask to shift and set for each prediction size.
102 : static const uint64_t above_prediction_mask[BLOCK_SIZES] = {
103 : 0x0000000000000001ULL, // BLOCK_4X4
104 : 0x0000000000000001ULL, // BLOCK_4X8
105 : 0x0000000000000001ULL, // BLOCK_8X4
106 : 0x0000000000000001ULL, // BLOCK_8X8
107 : 0x0000000000000001ULL, // BLOCK_8X16,
108 : 0x0000000000000003ULL, // BLOCK_16X8
109 : 0x0000000000000003ULL, // BLOCK_16X16
110 : 0x0000000000000003ULL, // BLOCK_16X32,
111 : 0x000000000000000fULL, // BLOCK_32X16,
112 : 0x000000000000000fULL, // BLOCK_32X32,
113 : 0x000000000000000fULL, // BLOCK_32X64,
114 : 0x00000000000000ffULL, // BLOCK_64X32,
115 : 0x00000000000000ffULL, // BLOCK_64X64
116 : };
117 : // 64 bit mask to shift and set for each prediction size. A bit is set for
118 : // each 8x8 block that would be in the left most block of the given block
119 : // size in the 64x64 block.
120 : static const uint64_t size_mask[BLOCK_SIZES] = {
121 : 0x0000000000000001ULL, // BLOCK_4X4
122 : 0x0000000000000001ULL, // BLOCK_4X8
123 : 0x0000000000000001ULL, // BLOCK_8X4
124 : 0x0000000000000001ULL, // BLOCK_8X8
125 : 0x0000000000000101ULL, // BLOCK_8X16,
126 : 0x0000000000000003ULL, // BLOCK_16X8
127 : 0x0000000000000303ULL, // BLOCK_16X16
128 : 0x0000000003030303ULL, // BLOCK_16X32,
129 : 0x0000000000000f0fULL, // BLOCK_32X16,
130 : 0x000000000f0f0f0fULL, // BLOCK_32X32,
131 : 0x0f0f0f0f0f0f0f0fULL, // BLOCK_32X64,
132 : 0x00000000ffffffffULL, // BLOCK_64X32,
133 : 0xffffffffffffffffULL, // BLOCK_64X64
134 : };
135 :
136 : // These are used for masking the left and above borders.
137 : static const uint64_t left_border = 0x1111111111111111ULL;
138 : static const uint64_t above_border = 0x000000ff000000ffULL;
139 :
140 : // 16 bit masks for uv transform sizes.
141 : static const uint16_t left_64x64_txform_mask_uv[TX_SIZES] = {
142 : 0xffff, // TX_4X4
143 : 0xffff, // TX_8x8
144 : 0x5555, // TX_16x16
145 : 0x1111, // TX_32x32
146 : };
147 :
148 : static const uint16_t above_64x64_txform_mask_uv[TX_SIZES] = {
149 : 0xffff, // TX_4X4
150 : 0xffff, // TX_8x8
151 : 0x0f0f, // TX_16x16
152 : 0x000f, // TX_32x32
153 : };
154 :
155 : // 16 bit left mask to shift and set for each uv prediction size.
156 : static const uint16_t left_prediction_mask_uv[BLOCK_SIZES] = {
157 : 0x0001, // BLOCK_4X4,
158 : 0x0001, // BLOCK_4X8,
159 : 0x0001, // BLOCK_8X4,
160 : 0x0001, // BLOCK_8X8,
161 : 0x0001, // BLOCK_8X16,
162 : 0x0001, // BLOCK_16X8,
163 : 0x0001, // BLOCK_16X16,
164 : 0x0011, // BLOCK_16X32,
165 : 0x0001, // BLOCK_32X16,
166 : 0x0011, // BLOCK_32X32,
167 : 0x1111, // BLOCK_32X64
168 : 0x0011, // BLOCK_64X32,
169 : 0x1111, // BLOCK_64X64
170 : };
171 : // 16 bit above mask to shift and set for uv each prediction size.
172 : static const uint16_t above_prediction_mask_uv[BLOCK_SIZES] = {
173 : 0x0001, // BLOCK_4X4
174 : 0x0001, // BLOCK_4X8
175 : 0x0001, // BLOCK_8X4
176 : 0x0001, // BLOCK_8X8
177 : 0x0001, // BLOCK_8X16,
178 : 0x0001, // BLOCK_16X8
179 : 0x0001, // BLOCK_16X16
180 : 0x0001, // BLOCK_16X32,
181 : 0x0003, // BLOCK_32X16,
182 : 0x0003, // BLOCK_32X32,
183 : 0x0003, // BLOCK_32X64,
184 : 0x000f, // BLOCK_64X32,
185 : 0x000f, // BLOCK_64X64
186 : };
187 :
188 : // 64 bit mask to shift and set for each uv prediction size
189 : static const uint16_t size_mask_uv[BLOCK_SIZES] = {
190 : 0x0001, // BLOCK_4X4
191 : 0x0001, // BLOCK_4X8
192 : 0x0001, // BLOCK_8X4
193 : 0x0001, // BLOCK_8X8
194 : 0x0001, // BLOCK_8X16,
195 : 0x0001, // BLOCK_16X8
196 : 0x0001, // BLOCK_16X16
197 : 0x0011, // BLOCK_16X32,
198 : 0x0003, // BLOCK_32X16,
199 : 0x0033, // BLOCK_32X32,
200 : 0x3333, // BLOCK_32X64,
201 : 0x00ff, // BLOCK_64X32,
202 : 0xffff, // BLOCK_64X64
203 : };
204 : static const uint16_t left_border_uv = 0x1111;
205 : static const uint16_t above_border_uv = 0x000f;
206 :
207 : static const int mode_lf_lut[MB_MODE_COUNT] = {
208 : 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // INTRA_MODES
209 : 1, 1, 0, 1 // INTER_MODES (ZEROMV == 0)
210 : };
211 :
212 0 : static void update_sharpness(loop_filter_info_n *lfi, int sharpness_lvl) {
213 : int lvl;
214 :
215 : // For each possible value for the loop filter fill out limits
216 0 : for (lvl = 0; lvl <= MAX_LOOP_FILTER; lvl++) {
217 : // Set loop filter parameters that control sharpness.
218 0 : int block_inside_limit = lvl >> ((sharpness_lvl > 0) + (sharpness_lvl > 4));
219 :
220 0 : if (sharpness_lvl > 0) {
221 0 : if (block_inside_limit > (9 - sharpness_lvl))
222 0 : block_inside_limit = (9 - sharpness_lvl);
223 : }
224 :
225 0 : if (block_inside_limit < 1) block_inside_limit = 1;
226 :
227 0 : memset(lfi->lfthr[lvl].lim, block_inside_limit, SIMD_WIDTH);
228 0 : memset(lfi->lfthr[lvl].mblim, (2 * (lvl + 2) + block_inside_limit),
229 : SIMD_WIDTH);
230 : }
231 0 : }
232 :
233 0 : static uint8_t get_filter_level(const loop_filter_info_n *lfi_n,
234 : const MODE_INFO *mi) {
235 0 : return lfi_n->lvl[mi->segment_id][mi->ref_frame[0]][mode_lf_lut[mi->mode]];
236 : }
237 :
238 0 : void vp9_loop_filter_init(VP9_COMMON *cm) {
239 0 : loop_filter_info_n *lfi = &cm->lf_info;
240 0 : struct loopfilter *lf = &cm->lf;
241 : int lvl;
242 :
243 : // init limits for given sharpness
244 0 : update_sharpness(lfi, lf->sharpness_level);
245 0 : lf->last_sharpness_level = lf->sharpness_level;
246 :
247 : // init hev threshold const vectors
248 0 : for (lvl = 0; lvl <= MAX_LOOP_FILTER; lvl++)
249 0 : memset(lfi->lfthr[lvl].hev_thr, (lvl >> 4), SIMD_WIDTH);
250 0 : }
251 :
252 0 : void vp9_loop_filter_frame_init(VP9_COMMON *cm, int default_filt_lvl) {
253 : int seg_id;
254 : // n_shift is the multiplier for lf_deltas
255 : // the multiplier is 1 for when filter_lvl is between 0 and 31;
256 : // 2 when filter_lvl is between 32 and 63
257 0 : const int scale = 1 << (default_filt_lvl >> 5);
258 0 : loop_filter_info_n *const lfi = &cm->lf_info;
259 0 : struct loopfilter *const lf = &cm->lf;
260 0 : const struct segmentation *const seg = &cm->seg;
261 :
262 : // update limits if sharpness has changed
263 0 : if (lf->last_sharpness_level != lf->sharpness_level) {
264 0 : update_sharpness(lfi, lf->sharpness_level);
265 0 : lf->last_sharpness_level = lf->sharpness_level;
266 : }
267 :
268 0 : for (seg_id = 0; seg_id < MAX_SEGMENTS; seg_id++) {
269 0 : int lvl_seg = default_filt_lvl;
270 0 : if (segfeature_active(seg, seg_id, SEG_LVL_ALT_LF)) {
271 0 : const int data = get_segdata(seg, seg_id, SEG_LVL_ALT_LF);
272 0 : lvl_seg = clamp(
273 0 : seg->abs_delta == SEGMENT_ABSDATA ? data : default_filt_lvl + data, 0,
274 : MAX_LOOP_FILTER);
275 : }
276 :
277 0 : if (!lf->mode_ref_delta_enabled) {
278 : // we could get rid of this if we assume that deltas are set to
279 : // zero when not in use; encoder always uses deltas
280 0 : memset(lfi->lvl[seg_id], lvl_seg, sizeof(lfi->lvl[seg_id]));
281 : } else {
282 : int ref, mode;
283 0 : const int intra_lvl = lvl_seg + lf->ref_deltas[INTRA_FRAME] * scale;
284 0 : lfi->lvl[seg_id][INTRA_FRAME][0] = clamp(intra_lvl, 0, MAX_LOOP_FILTER);
285 :
286 0 : for (ref = LAST_FRAME; ref < MAX_REF_FRAMES; ++ref) {
287 0 : for (mode = 0; mode < MAX_MODE_LF_DELTAS; ++mode) {
288 0 : const int inter_lvl = lvl_seg + lf->ref_deltas[ref] * scale +
289 0 : lf->mode_deltas[mode] * scale;
290 0 : lfi->lvl[seg_id][ref][mode] = clamp(inter_lvl, 0, MAX_LOOP_FILTER);
291 : }
292 : }
293 : }
294 : }
295 0 : }
296 :
297 0 : static void filter_selectively_vert_row2(
298 : int subsampling_factor, uint8_t *s, int pitch, unsigned int mask_16x16,
299 : unsigned int mask_8x8, unsigned int mask_4x4, unsigned int mask_4x4_int,
300 : const loop_filter_thresh *lfthr, const uint8_t *lfl) {
301 0 : const int dual_mask_cutoff = subsampling_factor ? 0xff : 0xffff;
302 0 : const int lfl_forward = subsampling_factor ? 4 : 8;
303 0 : const unsigned int dual_one = 1 | (1 << lfl_forward);
304 : unsigned int mask;
305 : uint8_t *ss[2];
306 0 : ss[0] = s;
307 :
308 0 : for (mask =
309 0 : (mask_16x16 | mask_8x8 | mask_4x4 | mask_4x4_int) & dual_mask_cutoff;
310 0 : mask; mask = (mask & ~dual_one) >> 1) {
311 0 : if (mask & dual_one) {
312 : const loop_filter_thresh *lfis[2];
313 0 : lfis[0] = lfthr + *lfl;
314 0 : lfis[1] = lfthr + *(lfl + lfl_forward);
315 0 : ss[1] = ss[0] + 8 * pitch;
316 :
317 0 : if (mask_16x16 & dual_one) {
318 0 : if ((mask_16x16 & dual_one) == dual_one) {
319 0 : vpx_lpf_vertical_16_dual(ss[0], pitch, lfis[0]->mblim, lfis[0]->lim,
320 0 : lfis[0]->hev_thr);
321 : } else {
322 0 : const loop_filter_thresh *lfi = lfis[!(mask_16x16 & 1)];
323 0 : vpx_lpf_vertical_16(ss[!(mask_16x16 & 1)], pitch, lfi->mblim,
324 0 : lfi->lim, lfi->hev_thr);
325 : }
326 : }
327 :
328 0 : if (mask_8x8 & dual_one) {
329 0 : if ((mask_8x8 & dual_one) == dual_one) {
330 0 : vpx_lpf_vertical_8_dual(ss[0], pitch, lfis[0]->mblim, lfis[0]->lim,
331 0 : lfis[0]->hev_thr, lfis[1]->mblim,
332 0 : lfis[1]->lim, lfis[1]->hev_thr);
333 : } else {
334 0 : const loop_filter_thresh *lfi = lfis[!(mask_8x8 & 1)];
335 0 : vpx_lpf_vertical_8(ss[!(mask_8x8 & 1)], pitch, lfi->mblim, lfi->lim,
336 0 : lfi->hev_thr);
337 : }
338 : }
339 :
340 0 : if (mask_4x4 & dual_one) {
341 0 : if ((mask_4x4 & dual_one) == dual_one) {
342 0 : vpx_lpf_vertical_4_dual(ss[0], pitch, lfis[0]->mblim, lfis[0]->lim,
343 0 : lfis[0]->hev_thr, lfis[1]->mblim,
344 0 : lfis[1]->lim, lfis[1]->hev_thr);
345 : } else {
346 0 : const loop_filter_thresh *lfi = lfis[!(mask_4x4 & 1)];
347 0 : vpx_lpf_vertical_4(ss[!(mask_4x4 & 1)], pitch, lfi->mblim, lfi->lim,
348 0 : lfi->hev_thr);
349 : }
350 : }
351 :
352 0 : if (mask_4x4_int & dual_one) {
353 0 : if ((mask_4x4_int & dual_one) == dual_one) {
354 0 : vpx_lpf_vertical_4_dual(
355 0 : ss[0] + 4, pitch, lfis[0]->mblim, lfis[0]->lim, lfis[0]->hev_thr,
356 0 : lfis[1]->mblim, lfis[1]->lim, lfis[1]->hev_thr);
357 : } else {
358 0 : const loop_filter_thresh *lfi = lfis[!(mask_4x4_int & 1)];
359 0 : vpx_lpf_vertical_4(ss[!(mask_4x4_int & 1)] + 4, pitch, lfi->mblim,
360 0 : lfi->lim, lfi->hev_thr);
361 : }
362 : }
363 : }
364 :
365 0 : ss[0] += 8;
366 0 : lfl += 1;
367 0 : mask_16x16 >>= 1;
368 0 : mask_8x8 >>= 1;
369 0 : mask_4x4 >>= 1;
370 0 : mask_4x4_int >>= 1;
371 : }
372 0 : }
373 :
374 : #if CONFIG_VP9_HIGHBITDEPTH
375 : static void highbd_filter_selectively_vert_row2(
376 : int subsampling_factor, uint16_t *s, int pitch, unsigned int mask_16x16,
377 : unsigned int mask_8x8, unsigned int mask_4x4, unsigned int mask_4x4_int,
378 : const loop_filter_thresh *lfthr, const uint8_t *lfl, int bd) {
379 : const int dual_mask_cutoff = subsampling_factor ? 0xff : 0xffff;
380 : const int lfl_forward = subsampling_factor ? 4 : 8;
381 : const unsigned int dual_one = 1 | (1 << lfl_forward);
382 : unsigned int mask;
383 : uint16_t *ss[2];
384 : ss[0] = s;
385 :
386 : for (mask =
387 : (mask_16x16 | mask_8x8 | mask_4x4 | mask_4x4_int) & dual_mask_cutoff;
388 : mask; mask = (mask & ~dual_one) >> 1) {
389 : if (mask & dual_one) {
390 : const loop_filter_thresh *lfis[2];
391 : lfis[0] = lfthr + *lfl;
392 : lfis[1] = lfthr + *(lfl + lfl_forward);
393 : ss[1] = ss[0] + 8 * pitch;
394 :
395 : if (mask_16x16 & dual_one) {
396 : if ((mask_16x16 & dual_one) == dual_one) {
397 : vpx_highbd_lpf_vertical_16_dual(ss[0], pitch, lfis[0]->mblim,
398 : lfis[0]->lim, lfis[0]->hev_thr, bd);
399 : } else {
400 : const loop_filter_thresh *lfi = lfis[!(mask_16x16 & 1)];
401 : vpx_highbd_lpf_vertical_16(ss[!(mask_16x16 & 1)], pitch, lfi->mblim,
402 : lfi->lim, lfi->hev_thr, bd);
403 : }
404 : }
405 :
406 : if (mask_8x8 & dual_one) {
407 : if ((mask_8x8 & dual_one) == dual_one) {
408 : vpx_highbd_lpf_vertical_8_dual(
409 : ss[0], pitch, lfis[0]->mblim, lfis[0]->lim, lfis[0]->hev_thr,
410 : lfis[1]->mblim, lfis[1]->lim, lfis[1]->hev_thr, bd);
411 : } else {
412 : const loop_filter_thresh *lfi = lfis[!(mask_8x8 & 1)];
413 : vpx_highbd_lpf_vertical_8(ss[!(mask_8x8 & 1)], pitch, lfi->mblim,
414 : lfi->lim, lfi->hev_thr, bd);
415 : }
416 : }
417 :
418 : if (mask_4x4 & dual_one) {
419 : if ((mask_4x4 & dual_one) == dual_one) {
420 : vpx_highbd_lpf_vertical_4_dual(
421 : ss[0], pitch, lfis[0]->mblim, lfis[0]->lim, lfis[0]->hev_thr,
422 : lfis[1]->mblim, lfis[1]->lim, lfis[1]->hev_thr, bd);
423 : } else {
424 : const loop_filter_thresh *lfi = lfis[!(mask_4x4 & 1)];
425 : vpx_highbd_lpf_vertical_4(ss[!(mask_4x4 & 1)], pitch, lfi->mblim,
426 : lfi->lim, lfi->hev_thr, bd);
427 : }
428 : }
429 :
430 : if (mask_4x4_int & dual_one) {
431 : if ((mask_4x4_int & dual_one) == dual_one) {
432 : vpx_highbd_lpf_vertical_4_dual(
433 : ss[0] + 4, pitch, lfis[0]->mblim, lfis[0]->lim, lfis[0]->hev_thr,
434 : lfis[1]->mblim, lfis[1]->lim, lfis[1]->hev_thr, bd);
435 : } else {
436 : const loop_filter_thresh *lfi = lfis[!(mask_4x4_int & 1)];
437 : vpx_highbd_lpf_vertical_4(ss[!(mask_4x4_int & 1)] + 4, pitch,
438 : lfi->mblim, lfi->lim, lfi->hev_thr, bd);
439 : }
440 : }
441 : }
442 :
443 : ss[0] += 8;
444 : lfl += 1;
445 : mask_16x16 >>= 1;
446 : mask_8x8 >>= 1;
447 : mask_4x4 >>= 1;
448 : mask_4x4_int >>= 1;
449 : }
450 : }
451 : #endif // CONFIG_VP9_HIGHBITDEPTH
452 :
453 0 : static void filter_selectively_horiz(
454 : uint8_t *s, int pitch, unsigned int mask_16x16, unsigned int mask_8x8,
455 : unsigned int mask_4x4, unsigned int mask_4x4_int,
456 : const loop_filter_thresh *lfthr, const uint8_t *lfl) {
457 : unsigned int mask;
458 : int count;
459 :
460 0 : for (mask = mask_16x16 | mask_8x8 | mask_4x4 | mask_4x4_int; mask;
461 0 : mask >>= count) {
462 0 : count = 1;
463 0 : if (mask & 1) {
464 0 : const loop_filter_thresh *lfi = lfthr + *lfl;
465 :
466 0 : if (mask_16x16 & 1) {
467 0 : if ((mask_16x16 & 3) == 3) {
468 0 : vpx_lpf_horizontal_16_dual(s, pitch, lfi->mblim, lfi->lim,
469 0 : lfi->hev_thr);
470 0 : count = 2;
471 : } else {
472 0 : vpx_lpf_horizontal_16(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr);
473 : }
474 0 : } else if (mask_8x8 & 1) {
475 0 : if ((mask_8x8 & 3) == 3) {
476 : // Next block's thresholds.
477 0 : const loop_filter_thresh *lfin = lfthr + *(lfl + 1);
478 :
479 0 : vpx_lpf_horizontal_8_dual(s, pitch, lfi->mblim, lfi->lim,
480 0 : lfi->hev_thr, lfin->mblim, lfin->lim,
481 0 : lfin->hev_thr);
482 :
483 0 : if ((mask_4x4_int & 3) == 3) {
484 0 : vpx_lpf_horizontal_4_dual(s + 4 * pitch, pitch, lfi->mblim,
485 0 : lfi->lim, lfi->hev_thr, lfin->mblim,
486 0 : lfin->lim, lfin->hev_thr);
487 : } else {
488 0 : if (mask_4x4_int & 1)
489 0 : vpx_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim, lfi->lim,
490 0 : lfi->hev_thr);
491 0 : else if (mask_4x4_int & 2)
492 0 : vpx_lpf_horizontal_4(s + 8 + 4 * pitch, pitch, lfin->mblim,
493 0 : lfin->lim, lfin->hev_thr);
494 : }
495 0 : count = 2;
496 : } else {
497 0 : vpx_lpf_horizontal_8(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr);
498 :
499 0 : if (mask_4x4_int & 1)
500 0 : vpx_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim, lfi->lim,
501 0 : lfi->hev_thr);
502 : }
503 0 : } else if (mask_4x4 & 1) {
504 0 : if ((mask_4x4 & 3) == 3) {
505 : // Next block's thresholds.
506 0 : const loop_filter_thresh *lfin = lfthr + *(lfl + 1);
507 :
508 0 : vpx_lpf_horizontal_4_dual(s, pitch, lfi->mblim, lfi->lim,
509 0 : lfi->hev_thr, lfin->mblim, lfin->lim,
510 0 : lfin->hev_thr);
511 0 : if ((mask_4x4_int & 3) == 3) {
512 0 : vpx_lpf_horizontal_4_dual(s + 4 * pitch, pitch, lfi->mblim,
513 0 : lfi->lim, lfi->hev_thr, lfin->mblim,
514 0 : lfin->lim, lfin->hev_thr);
515 : } else {
516 0 : if (mask_4x4_int & 1)
517 0 : vpx_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim, lfi->lim,
518 0 : lfi->hev_thr);
519 0 : else if (mask_4x4_int & 2)
520 0 : vpx_lpf_horizontal_4(s + 8 + 4 * pitch, pitch, lfin->mblim,
521 0 : lfin->lim, lfin->hev_thr);
522 : }
523 0 : count = 2;
524 : } else {
525 0 : vpx_lpf_horizontal_4(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr);
526 :
527 0 : if (mask_4x4_int & 1)
528 0 : vpx_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim, lfi->lim,
529 0 : lfi->hev_thr);
530 : }
531 : } else {
532 0 : vpx_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim, lfi->lim,
533 0 : lfi->hev_thr);
534 : }
535 : }
536 0 : s += 8 * count;
537 0 : lfl += count;
538 0 : mask_16x16 >>= count;
539 0 : mask_8x8 >>= count;
540 0 : mask_4x4 >>= count;
541 0 : mask_4x4_int >>= count;
542 : }
543 0 : }
544 :
545 : #if CONFIG_VP9_HIGHBITDEPTH
546 : static void highbd_filter_selectively_horiz(
547 : uint16_t *s, int pitch, unsigned int mask_16x16, unsigned int mask_8x8,
548 : unsigned int mask_4x4, unsigned int mask_4x4_int,
549 : const loop_filter_thresh *lfthr, const uint8_t *lfl, int bd) {
550 : unsigned int mask;
551 : int count;
552 :
553 : for (mask = mask_16x16 | mask_8x8 | mask_4x4 | mask_4x4_int; mask;
554 : mask >>= count) {
555 : count = 1;
556 : if (mask & 1) {
557 : const loop_filter_thresh *lfi = lfthr + *lfl;
558 :
559 : if (mask_16x16 & 1) {
560 : if ((mask_16x16 & 3) == 3) {
561 : vpx_highbd_lpf_horizontal_16_dual(s, pitch, lfi->mblim, lfi->lim,
562 : lfi->hev_thr, bd);
563 : count = 2;
564 : } else {
565 : vpx_highbd_lpf_horizontal_16(s, pitch, lfi->mblim, lfi->lim,
566 : lfi->hev_thr, bd);
567 : }
568 : } else if (mask_8x8 & 1) {
569 : if ((mask_8x8 & 3) == 3) {
570 : // Next block's thresholds.
571 : const loop_filter_thresh *lfin = lfthr + *(lfl + 1);
572 :
573 : vpx_highbd_lpf_horizontal_8_dual(s, pitch, lfi->mblim, lfi->lim,
574 : lfi->hev_thr, lfin->mblim, lfin->lim,
575 : lfin->hev_thr, bd);
576 :
577 : if ((mask_4x4_int & 3) == 3) {
578 : vpx_highbd_lpf_horizontal_4_dual(
579 : s + 4 * pitch, pitch, lfi->mblim, lfi->lim, lfi->hev_thr,
580 : lfin->mblim, lfin->lim, lfin->hev_thr, bd);
581 : } else {
582 : if (mask_4x4_int & 1) {
583 : vpx_highbd_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim,
584 : lfi->lim, lfi->hev_thr, bd);
585 : } else if (mask_4x4_int & 2) {
586 : vpx_highbd_lpf_horizontal_4(s + 8 + 4 * pitch, pitch, lfin->mblim,
587 : lfin->lim, lfin->hev_thr, bd);
588 : }
589 : }
590 : count = 2;
591 : } else {
592 : vpx_highbd_lpf_horizontal_8(s, pitch, lfi->mblim, lfi->lim,
593 : lfi->hev_thr, bd);
594 :
595 : if (mask_4x4_int & 1) {
596 : vpx_highbd_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim,
597 : lfi->lim, lfi->hev_thr, bd);
598 : }
599 : }
600 : } else if (mask_4x4 & 1) {
601 : if ((mask_4x4 & 3) == 3) {
602 : // Next block's thresholds.
603 : const loop_filter_thresh *lfin = lfthr + *(lfl + 1);
604 :
605 : vpx_highbd_lpf_horizontal_4_dual(s, pitch, lfi->mblim, lfi->lim,
606 : lfi->hev_thr, lfin->mblim, lfin->lim,
607 : lfin->hev_thr, bd);
608 : if ((mask_4x4_int & 3) == 3) {
609 : vpx_highbd_lpf_horizontal_4_dual(
610 : s + 4 * pitch, pitch, lfi->mblim, lfi->lim, lfi->hev_thr,
611 : lfin->mblim, lfin->lim, lfin->hev_thr, bd);
612 : } else {
613 : if (mask_4x4_int & 1) {
614 : vpx_highbd_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim,
615 : lfi->lim, lfi->hev_thr, bd);
616 : } else if (mask_4x4_int & 2) {
617 : vpx_highbd_lpf_horizontal_4(s + 8 + 4 * pitch, pitch, lfin->mblim,
618 : lfin->lim, lfin->hev_thr, bd);
619 : }
620 : }
621 : count = 2;
622 : } else {
623 : vpx_highbd_lpf_horizontal_4(s, pitch, lfi->mblim, lfi->lim,
624 : lfi->hev_thr, bd);
625 :
626 : if (mask_4x4_int & 1) {
627 : vpx_highbd_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim,
628 : lfi->lim, lfi->hev_thr, bd);
629 : }
630 : }
631 : } else {
632 : vpx_highbd_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim, lfi->lim,
633 : lfi->hev_thr, bd);
634 : }
635 : }
636 : s += 8 * count;
637 : lfl += count;
638 : mask_16x16 >>= count;
639 : mask_8x8 >>= count;
640 : mask_4x4 >>= count;
641 : mask_4x4_int >>= count;
642 : }
643 : }
644 : #endif // CONFIG_VP9_HIGHBITDEPTH
645 :
646 : // This function ors into the current lfm structure, where to do loop
647 : // filters for the specific mi we are looking at. It uses information
648 : // including the block_size_type (32x16, 32x32, etc.), the transform size,
649 : // whether there were any coefficients encoded, and the loop filter strength
650 : // block we are currently looking at. Shift is used to position the
651 : // 1's we produce.
652 0 : static void build_masks(const loop_filter_info_n *const lfi_n,
653 : const MODE_INFO *mi, const int shift_y,
654 : const int shift_uv, LOOP_FILTER_MASK *lfm) {
655 0 : const BLOCK_SIZE block_size = mi->sb_type;
656 0 : const TX_SIZE tx_size_y = mi->tx_size;
657 0 : const TX_SIZE tx_size_uv = uv_txsize_lookup[block_size][tx_size_y][1][1];
658 0 : const int filter_level = get_filter_level(lfi_n, mi);
659 0 : uint64_t *const left_y = &lfm->left_y[tx_size_y];
660 0 : uint64_t *const above_y = &lfm->above_y[tx_size_y];
661 0 : uint64_t *const int_4x4_y = &lfm->int_4x4_y;
662 0 : uint16_t *const left_uv = &lfm->left_uv[tx_size_uv];
663 0 : uint16_t *const above_uv = &lfm->above_uv[tx_size_uv];
664 0 : uint16_t *const int_4x4_uv = &lfm->int_4x4_uv;
665 : int i;
666 :
667 : // If filter level is 0 we don't loop filter.
668 0 : if (!filter_level) {
669 0 : return;
670 : } else {
671 0 : const int w = num_8x8_blocks_wide_lookup[block_size];
672 0 : const int h = num_8x8_blocks_high_lookup[block_size];
673 0 : int index = shift_y;
674 0 : for (i = 0; i < h; i++) {
675 0 : memset(&lfm->lfl_y[index], filter_level, w);
676 0 : index += 8;
677 : }
678 : }
679 :
680 : // These set 1 in the current block size for the block size edges.
681 : // For instance if the block size is 32x16, we'll set:
682 : // above = 1111
683 : // 0000
684 : // and
685 : // left = 1000
686 : // = 1000
687 : // NOTE : In this example the low bit is left most ( 1000 ) is stored as
688 : // 1, not 8...
689 : //
690 : // U and V set things on a 16 bit scale.
691 : //
692 0 : *above_y |= above_prediction_mask[block_size] << shift_y;
693 0 : *above_uv |= above_prediction_mask_uv[block_size] << shift_uv;
694 0 : *left_y |= left_prediction_mask[block_size] << shift_y;
695 0 : *left_uv |= left_prediction_mask_uv[block_size] << shift_uv;
696 :
697 : // If the block has no coefficients and is not intra we skip applying
698 : // the loop filter on block edges.
699 0 : if (mi->skip && is_inter_block(mi)) return;
700 :
701 : // Here we are adding a mask for the transform size. The transform
702 : // size mask is set to be correct for a 64x64 prediction block size. We
703 : // mask to match the size of the block we are working on and then shift it
704 : // into place..
705 0 : *above_y |= (size_mask[block_size] & above_64x64_txform_mask[tx_size_y])
706 0 : << shift_y;
707 0 : *above_uv |=
708 0 : (size_mask_uv[block_size] & above_64x64_txform_mask_uv[tx_size_uv])
709 0 : << shift_uv;
710 :
711 0 : *left_y |= (size_mask[block_size] & left_64x64_txform_mask[tx_size_y])
712 0 : << shift_y;
713 0 : *left_uv |= (size_mask_uv[block_size] & left_64x64_txform_mask_uv[tx_size_uv])
714 0 : << shift_uv;
715 :
716 : // Here we are trying to determine what to do with the internal 4x4 block
717 : // boundaries. These differ from the 4x4 boundaries on the outside edge of
718 : // an 8x8 in that the internal ones can be skipped and don't depend on
719 : // the prediction block size.
720 0 : if (tx_size_y == TX_4X4) *int_4x4_y |= size_mask[block_size] << shift_y;
721 :
722 0 : if (tx_size_uv == TX_4X4)
723 0 : *int_4x4_uv |= (size_mask_uv[block_size] & 0xffff) << shift_uv;
724 : }
725 :
726 : // This function does the same thing as the one above with the exception that
727 : // it only affects the y masks. It exists because for blocks < 16x16 in size,
728 : // we only update u and v masks on the first block.
729 0 : static void build_y_mask(const loop_filter_info_n *const lfi_n,
730 : const MODE_INFO *mi, const int shift_y,
731 : LOOP_FILTER_MASK *lfm) {
732 0 : const BLOCK_SIZE block_size = mi->sb_type;
733 0 : const TX_SIZE tx_size_y = mi->tx_size;
734 0 : const int filter_level = get_filter_level(lfi_n, mi);
735 0 : uint64_t *const left_y = &lfm->left_y[tx_size_y];
736 0 : uint64_t *const above_y = &lfm->above_y[tx_size_y];
737 0 : uint64_t *const int_4x4_y = &lfm->int_4x4_y;
738 : int i;
739 :
740 0 : if (!filter_level) {
741 0 : return;
742 : } else {
743 0 : const int w = num_8x8_blocks_wide_lookup[block_size];
744 0 : const int h = num_8x8_blocks_high_lookup[block_size];
745 0 : int index = shift_y;
746 0 : for (i = 0; i < h; i++) {
747 0 : memset(&lfm->lfl_y[index], filter_level, w);
748 0 : index += 8;
749 : }
750 : }
751 :
752 0 : *above_y |= above_prediction_mask[block_size] << shift_y;
753 0 : *left_y |= left_prediction_mask[block_size] << shift_y;
754 :
755 0 : if (mi->skip && is_inter_block(mi)) return;
756 :
757 0 : *above_y |= (size_mask[block_size] & above_64x64_txform_mask[tx_size_y])
758 0 : << shift_y;
759 :
760 0 : *left_y |= (size_mask[block_size] & left_64x64_txform_mask[tx_size_y])
761 0 : << shift_y;
762 :
763 0 : if (tx_size_y == TX_4X4) *int_4x4_y |= size_mask[block_size] << shift_y;
764 : }
765 :
766 0 : void vp9_adjust_mask(VP9_COMMON *const cm, const int mi_row, const int mi_col,
767 : LOOP_FILTER_MASK *lfm) {
768 : int i;
769 :
770 : // The largest loopfilter we have is 16x16 so we use the 16x16 mask
771 : // for 32x32 transforms also.
772 0 : lfm->left_y[TX_16X16] |= lfm->left_y[TX_32X32];
773 0 : lfm->above_y[TX_16X16] |= lfm->above_y[TX_32X32];
774 0 : lfm->left_uv[TX_16X16] |= lfm->left_uv[TX_32X32];
775 0 : lfm->above_uv[TX_16X16] |= lfm->above_uv[TX_32X32];
776 :
777 : // We do at least 8 tap filter on every 32x32 even if the transform size
778 : // is 4x4. So if the 4x4 is set on a border pixel add it to the 8x8 and
779 : // remove it from the 4x4.
780 0 : lfm->left_y[TX_8X8] |= lfm->left_y[TX_4X4] & left_border;
781 0 : lfm->left_y[TX_4X4] &= ~left_border;
782 0 : lfm->above_y[TX_8X8] |= lfm->above_y[TX_4X4] & above_border;
783 0 : lfm->above_y[TX_4X4] &= ~above_border;
784 0 : lfm->left_uv[TX_8X8] |= lfm->left_uv[TX_4X4] & left_border_uv;
785 0 : lfm->left_uv[TX_4X4] &= ~left_border_uv;
786 0 : lfm->above_uv[TX_8X8] |= lfm->above_uv[TX_4X4] & above_border_uv;
787 0 : lfm->above_uv[TX_4X4] &= ~above_border_uv;
788 :
789 : // We do some special edge handling.
790 0 : if (mi_row + MI_BLOCK_SIZE > cm->mi_rows) {
791 0 : const uint64_t rows = cm->mi_rows - mi_row;
792 :
793 : // Each pixel inside the border gets a 1,
794 0 : const uint64_t mask_y = (((uint64_t)1 << (rows << 3)) - 1);
795 0 : const uint16_t mask_uv = (((uint16_t)1 << (((rows + 1) >> 1) << 2)) - 1);
796 :
797 : // Remove values completely outside our border.
798 0 : for (i = 0; i < TX_32X32; i++) {
799 0 : lfm->left_y[i] &= mask_y;
800 0 : lfm->above_y[i] &= mask_y;
801 0 : lfm->left_uv[i] &= mask_uv;
802 0 : lfm->above_uv[i] &= mask_uv;
803 : }
804 0 : lfm->int_4x4_y &= mask_y;
805 0 : lfm->int_4x4_uv &= mask_uv;
806 :
807 : // We don't apply a wide loop filter on the last uv block row. If set
808 : // apply the shorter one instead.
809 0 : if (rows == 1) {
810 0 : lfm->above_uv[TX_8X8] |= lfm->above_uv[TX_16X16];
811 0 : lfm->above_uv[TX_16X16] = 0;
812 : }
813 0 : if (rows == 5) {
814 0 : lfm->above_uv[TX_8X8] |= lfm->above_uv[TX_16X16] & 0xff00;
815 0 : lfm->above_uv[TX_16X16] &= ~(lfm->above_uv[TX_16X16] & 0xff00);
816 : }
817 : }
818 :
819 0 : if (mi_col + MI_BLOCK_SIZE > cm->mi_cols) {
820 0 : const uint64_t columns = cm->mi_cols - mi_col;
821 :
822 : // Each pixel inside the border gets a 1, the multiply copies the border
823 : // to where we need it.
824 0 : const uint64_t mask_y = (((1 << columns) - 1)) * 0x0101010101010101ULL;
825 0 : const uint16_t mask_uv = ((1 << ((columns + 1) >> 1)) - 1) * 0x1111;
826 :
827 : // Internal edges are not applied on the last column of the image so
828 : // we mask 1 more for the internal edges
829 0 : const uint16_t mask_uv_int = ((1 << (columns >> 1)) - 1) * 0x1111;
830 :
831 : // Remove the bits outside the image edge.
832 0 : for (i = 0; i < TX_32X32; i++) {
833 0 : lfm->left_y[i] &= mask_y;
834 0 : lfm->above_y[i] &= mask_y;
835 0 : lfm->left_uv[i] &= mask_uv;
836 0 : lfm->above_uv[i] &= mask_uv;
837 : }
838 0 : lfm->int_4x4_y &= mask_y;
839 0 : lfm->int_4x4_uv &= mask_uv_int;
840 :
841 : // We don't apply a wide loop filter on the last uv column. If set
842 : // apply the shorter one instead.
843 0 : if (columns == 1) {
844 0 : lfm->left_uv[TX_8X8] |= lfm->left_uv[TX_16X16];
845 0 : lfm->left_uv[TX_16X16] = 0;
846 : }
847 0 : if (columns == 5) {
848 0 : lfm->left_uv[TX_8X8] |= (lfm->left_uv[TX_16X16] & 0xcccc);
849 0 : lfm->left_uv[TX_16X16] &= ~(lfm->left_uv[TX_16X16] & 0xcccc);
850 : }
851 : }
852 : // We don't apply a loop filter on the first column in the image, mask that
853 : // out.
854 0 : if (mi_col == 0) {
855 0 : for (i = 0; i < TX_32X32; i++) {
856 0 : lfm->left_y[i] &= 0xfefefefefefefefeULL;
857 0 : lfm->left_uv[i] &= 0xeeee;
858 : }
859 : }
860 :
861 : // Assert if we try to apply 2 different loop filters at the same position.
862 0 : assert(!(lfm->left_y[TX_16X16] & lfm->left_y[TX_8X8]));
863 0 : assert(!(lfm->left_y[TX_16X16] & lfm->left_y[TX_4X4]));
864 0 : assert(!(lfm->left_y[TX_8X8] & lfm->left_y[TX_4X4]));
865 0 : assert(!(lfm->int_4x4_y & lfm->left_y[TX_16X16]));
866 0 : assert(!(lfm->left_uv[TX_16X16] & lfm->left_uv[TX_8X8]));
867 0 : assert(!(lfm->left_uv[TX_16X16] & lfm->left_uv[TX_4X4]));
868 0 : assert(!(lfm->left_uv[TX_8X8] & lfm->left_uv[TX_4X4]));
869 0 : assert(!(lfm->int_4x4_uv & lfm->left_uv[TX_16X16]));
870 0 : assert(!(lfm->above_y[TX_16X16] & lfm->above_y[TX_8X8]));
871 0 : assert(!(lfm->above_y[TX_16X16] & lfm->above_y[TX_4X4]));
872 0 : assert(!(lfm->above_y[TX_8X8] & lfm->above_y[TX_4X4]));
873 0 : assert(!(lfm->int_4x4_y & lfm->above_y[TX_16X16]));
874 0 : assert(!(lfm->above_uv[TX_16X16] & lfm->above_uv[TX_8X8]));
875 0 : assert(!(lfm->above_uv[TX_16X16] & lfm->above_uv[TX_4X4]));
876 0 : assert(!(lfm->above_uv[TX_8X8] & lfm->above_uv[TX_4X4]));
877 0 : assert(!(lfm->int_4x4_uv & lfm->above_uv[TX_16X16]));
878 0 : }
879 :
880 : // This function sets up the bit masks for the entire 64x64 region represented
881 : // by mi_row, mi_col.
882 0 : void vp9_setup_mask(VP9_COMMON *const cm, const int mi_row, const int mi_col,
883 : MODE_INFO **mi, const int mode_info_stride,
884 : LOOP_FILTER_MASK *lfm) {
885 : int idx_32, idx_16, idx_8;
886 0 : const loop_filter_info_n *const lfi_n = &cm->lf_info;
887 0 : MODE_INFO **mip = mi;
888 0 : MODE_INFO **mip2 = mi;
889 :
890 : // These are offsets to the next mi in the 64x64 block. It is what gets
891 : // added to the mi ptr as we go through each loop. It helps us to avoid
892 : // setting up special row and column counters for each index. The last step
893 : // brings us out back to the starting position.
894 0 : const int offset_32[] = { 4, (mode_info_stride << 2) - 4, 4,
895 0 : -(mode_info_stride << 2) - 4 };
896 0 : const int offset_16[] = { 2, (mode_info_stride << 1) - 2, 2,
897 0 : -(mode_info_stride << 1) - 2 };
898 0 : const int offset[] = { 1, mode_info_stride - 1, 1, -mode_info_stride - 1 };
899 :
900 : // Following variables represent shifts to position the current block
901 : // mask over the appropriate block. A shift of 36 to the left will move
902 : // the bits for the final 32 by 32 block in the 64x64 up 4 rows and left
903 : // 4 rows to the appropriate spot.
904 0 : const int shift_32_y[] = { 0, 4, 32, 36 };
905 0 : const int shift_16_y[] = { 0, 2, 16, 18 };
906 0 : const int shift_8_y[] = { 0, 1, 8, 9 };
907 0 : const int shift_32_uv[] = { 0, 2, 8, 10 };
908 0 : const int shift_16_uv[] = { 0, 1, 4, 5 };
909 0 : const int max_rows =
910 0 : (mi_row + MI_BLOCK_SIZE > cm->mi_rows ? cm->mi_rows - mi_row
911 0 : : MI_BLOCK_SIZE);
912 0 : const int max_cols =
913 0 : (mi_col + MI_BLOCK_SIZE > cm->mi_cols ? cm->mi_cols - mi_col
914 0 : : MI_BLOCK_SIZE);
915 :
916 0 : vp9_zero(*lfm);
917 0 : assert(mip[0] != NULL);
918 :
919 0 : switch (mip[0]->sb_type) {
920 0 : case BLOCK_64X64: build_masks(lfi_n, mip[0], 0, 0, lfm); break;
921 : case BLOCK_64X32:
922 0 : build_masks(lfi_n, mip[0], 0, 0, lfm);
923 0 : mip2 = mip + mode_info_stride * 4;
924 0 : if (4 >= max_rows) break;
925 0 : build_masks(lfi_n, mip2[0], 32, 8, lfm);
926 0 : break;
927 : case BLOCK_32X64:
928 0 : build_masks(lfi_n, mip[0], 0, 0, lfm);
929 0 : mip2 = mip + 4;
930 0 : if (4 >= max_cols) break;
931 0 : build_masks(lfi_n, mip2[0], 4, 2, lfm);
932 0 : break;
933 : default:
934 0 : for (idx_32 = 0; idx_32 < 4; mip += offset_32[idx_32], ++idx_32) {
935 0 : const int shift_y = shift_32_y[idx_32];
936 0 : const int shift_uv = shift_32_uv[idx_32];
937 0 : const int mi_32_col_offset = ((idx_32 & 1) << 2);
938 0 : const int mi_32_row_offset = ((idx_32 >> 1) << 2);
939 0 : if (mi_32_col_offset >= max_cols || mi_32_row_offset >= max_rows)
940 0 : continue;
941 0 : switch (mip[0]->sb_type) {
942 : case BLOCK_32X32:
943 0 : build_masks(lfi_n, mip[0], shift_y, shift_uv, lfm);
944 0 : break;
945 : case BLOCK_32X16:
946 0 : build_masks(lfi_n, mip[0], shift_y, shift_uv, lfm);
947 0 : if (mi_32_row_offset + 2 >= max_rows) continue;
948 0 : mip2 = mip + mode_info_stride * 2;
949 0 : build_masks(lfi_n, mip2[0], shift_y + 16, shift_uv + 4, lfm);
950 0 : break;
951 : case BLOCK_16X32:
952 0 : build_masks(lfi_n, mip[0], shift_y, shift_uv, lfm);
953 0 : if (mi_32_col_offset + 2 >= max_cols) continue;
954 0 : mip2 = mip + 2;
955 0 : build_masks(lfi_n, mip2[0], shift_y + 2, shift_uv + 1, lfm);
956 0 : break;
957 : default:
958 0 : for (idx_16 = 0; idx_16 < 4; mip += offset_16[idx_16], ++idx_16) {
959 0 : const int shift_y = shift_32_y[idx_32] + shift_16_y[idx_16];
960 0 : const int shift_uv = shift_32_uv[idx_32] + shift_16_uv[idx_16];
961 0 : const int mi_16_col_offset =
962 0 : mi_32_col_offset + ((idx_16 & 1) << 1);
963 0 : const int mi_16_row_offset =
964 0 : mi_32_row_offset + ((idx_16 >> 1) << 1);
965 :
966 0 : if (mi_16_col_offset >= max_cols || mi_16_row_offset >= max_rows)
967 0 : continue;
968 :
969 0 : switch (mip[0]->sb_type) {
970 : case BLOCK_16X16:
971 0 : build_masks(lfi_n, mip[0], shift_y, shift_uv, lfm);
972 0 : break;
973 : case BLOCK_16X8:
974 0 : build_masks(lfi_n, mip[0], shift_y, shift_uv, lfm);
975 0 : if (mi_16_row_offset + 1 >= max_rows) continue;
976 0 : mip2 = mip + mode_info_stride;
977 0 : build_y_mask(lfi_n, mip2[0], shift_y + 8, lfm);
978 0 : break;
979 : case BLOCK_8X16:
980 0 : build_masks(lfi_n, mip[0], shift_y, shift_uv, lfm);
981 0 : if (mi_16_col_offset + 1 >= max_cols) continue;
982 0 : mip2 = mip + 1;
983 0 : build_y_mask(lfi_n, mip2[0], shift_y + 1, lfm);
984 0 : break;
985 : default: {
986 0 : const int shift_y =
987 0 : shift_32_y[idx_32] + shift_16_y[idx_16] + shift_8_y[0];
988 0 : build_masks(lfi_n, mip[0], shift_y, shift_uv, lfm);
989 0 : mip += offset[0];
990 0 : for (idx_8 = 1; idx_8 < 4; mip += offset[idx_8], ++idx_8) {
991 0 : const int shift_y = shift_32_y[idx_32] +
992 0 : shift_16_y[idx_16] + shift_8_y[idx_8];
993 0 : const int mi_8_col_offset =
994 0 : mi_16_col_offset + ((idx_8 & 1));
995 0 : const int mi_8_row_offset =
996 0 : mi_16_row_offset + ((idx_8 >> 1));
997 :
998 0 : if (mi_8_col_offset >= max_cols ||
999 : mi_8_row_offset >= max_rows)
1000 0 : continue;
1001 0 : build_y_mask(lfi_n, mip[0], shift_y, lfm);
1002 : }
1003 0 : break;
1004 : }
1005 : }
1006 : }
1007 0 : break;
1008 : }
1009 : }
1010 0 : break;
1011 : }
1012 0 : }
1013 :
1014 0 : static void filter_selectively_vert(
1015 : uint8_t *s, int pitch, unsigned int mask_16x16, unsigned int mask_8x8,
1016 : unsigned int mask_4x4, unsigned int mask_4x4_int,
1017 : const loop_filter_thresh *lfthr, const uint8_t *lfl) {
1018 : unsigned int mask;
1019 :
1020 0 : for (mask = mask_16x16 | mask_8x8 | mask_4x4 | mask_4x4_int; mask;
1021 0 : mask >>= 1) {
1022 0 : const loop_filter_thresh *lfi = lfthr + *lfl;
1023 :
1024 0 : if (mask & 1) {
1025 0 : if (mask_16x16 & 1) {
1026 0 : vpx_lpf_vertical_16(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr);
1027 0 : } else if (mask_8x8 & 1) {
1028 0 : vpx_lpf_vertical_8(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr);
1029 0 : } else if (mask_4x4 & 1) {
1030 0 : vpx_lpf_vertical_4(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr);
1031 : }
1032 : }
1033 0 : if (mask_4x4_int & 1)
1034 0 : vpx_lpf_vertical_4(s + 4, pitch, lfi->mblim, lfi->lim, lfi->hev_thr);
1035 0 : s += 8;
1036 0 : lfl += 1;
1037 0 : mask_16x16 >>= 1;
1038 0 : mask_8x8 >>= 1;
1039 0 : mask_4x4 >>= 1;
1040 0 : mask_4x4_int >>= 1;
1041 : }
1042 0 : }
1043 :
1044 : #if CONFIG_VP9_HIGHBITDEPTH
1045 : static void highbd_filter_selectively_vert(
1046 : uint16_t *s, int pitch, unsigned int mask_16x16, unsigned int mask_8x8,
1047 : unsigned int mask_4x4, unsigned int mask_4x4_int,
1048 : const loop_filter_thresh *lfthr, const uint8_t *lfl, int bd) {
1049 : unsigned int mask;
1050 :
1051 : for (mask = mask_16x16 | mask_8x8 | mask_4x4 | mask_4x4_int; mask;
1052 : mask >>= 1) {
1053 : const loop_filter_thresh *lfi = lfthr + *lfl;
1054 :
1055 : if (mask & 1) {
1056 : if (mask_16x16 & 1) {
1057 : vpx_highbd_lpf_vertical_16(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr,
1058 : bd);
1059 : } else if (mask_8x8 & 1) {
1060 : vpx_highbd_lpf_vertical_8(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr,
1061 : bd);
1062 : } else if (mask_4x4 & 1) {
1063 : vpx_highbd_lpf_vertical_4(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr,
1064 : bd);
1065 : }
1066 : }
1067 : if (mask_4x4_int & 1)
1068 : vpx_highbd_lpf_vertical_4(s + 4, pitch, lfi->mblim, lfi->lim,
1069 : lfi->hev_thr, bd);
1070 : s += 8;
1071 : lfl += 1;
1072 : mask_16x16 >>= 1;
1073 : mask_8x8 >>= 1;
1074 : mask_4x4 >>= 1;
1075 : mask_4x4_int >>= 1;
1076 : }
1077 : }
1078 : #endif // CONFIG_VP9_HIGHBITDEPTH
1079 :
1080 0 : void vp9_filter_block_plane_non420(VP9_COMMON *cm,
1081 : struct macroblockd_plane *plane,
1082 : MODE_INFO **mi_8x8, int mi_row, int mi_col) {
1083 0 : const int ss_x = plane->subsampling_x;
1084 0 : const int ss_y = plane->subsampling_y;
1085 0 : const int row_step = 1 << ss_y;
1086 0 : const int col_step = 1 << ss_x;
1087 0 : const int row_step_stride = cm->mi_stride * row_step;
1088 0 : struct buf_2d *const dst = &plane->dst;
1089 0 : uint8_t *const dst0 = dst->buf;
1090 0 : unsigned int mask_16x16[MI_BLOCK_SIZE] = { 0 };
1091 0 : unsigned int mask_8x8[MI_BLOCK_SIZE] = { 0 };
1092 0 : unsigned int mask_4x4[MI_BLOCK_SIZE] = { 0 };
1093 0 : unsigned int mask_4x4_int[MI_BLOCK_SIZE] = { 0 };
1094 : uint8_t lfl[MI_BLOCK_SIZE * MI_BLOCK_SIZE];
1095 : int r, c;
1096 :
1097 0 : for (r = 0; r < MI_BLOCK_SIZE && mi_row + r < cm->mi_rows; r += row_step) {
1098 0 : unsigned int mask_16x16_c = 0;
1099 0 : unsigned int mask_8x8_c = 0;
1100 0 : unsigned int mask_4x4_c = 0;
1101 : unsigned int border_mask;
1102 :
1103 : // Determine the vertical edges that need filtering
1104 0 : for (c = 0; c < MI_BLOCK_SIZE && mi_col + c < cm->mi_cols; c += col_step) {
1105 0 : const MODE_INFO *mi = mi_8x8[c];
1106 0 : const BLOCK_SIZE sb_type = mi[0].sb_type;
1107 0 : const int skip_this = mi[0].skip && is_inter_block(mi);
1108 : // left edge of current unit is block/partition edge -> no skip
1109 0 : const int block_edge_left =
1110 0 : (num_4x4_blocks_wide_lookup[sb_type] > 1)
1111 0 : ? !(c & (num_8x8_blocks_wide_lookup[sb_type] - 1))
1112 0 : : 1;
1113 0 : const int skip_this_c = skip_this && !block_edge_left;
1114 : // top edge of current unit is block/partition edge -> no skip
1115 0 : const int block_edge_above =
1116 0 : (num_4x4_blocks_high_lookup[sb_type] > 1)
1117 0 : ? !(r & (num_8x8_blocks_high_lookup[sb_type] - 1))
1118 0 : : 1;
1119 0 : const int skip_this_r = skip_this && !block_edge_above;
1120 0 : const TX_SIZE tx_size = get_uv_tx_size(mi, plane);
1121 0 : const int skip_border_4x4_c = ss_x && mi_col + c == cm->mi_cols - 1;
1122 0 : const int skip_border_4x4_r = ss_y && mi_row + r == cm->mi_rows - 1;
1123 :
1124 : // Filter level can vary per MI
1125 0 : if (!(lfl[(r << 3) + (c >> ss_x)] = get_filter_level(&cm->lf_info, mi)))
1126 0 : continue;
1127 :
1128 : // Build masks based on the transform size of each block
1129 0 : if (tx_size == TX_32X32) {
1130 0 : if (!skip_this_c && ((c >> ss_x) & 3) == 0) {
1131 0 : if (!skip_border_4x4_c)
1132 0 : mask_16x16_c |= 1 << (c >> ss_x);
1133 : else
1134 0 : mask_8x8_c |= 1 << (c >> ss_x);
1135 : }
1136 0 : if (!skip_this_r && ((r >> ss_y) & 3) == 0) {
1137 0 : if (!skip_border_4x4_r)
1138 0 : mask_16x16[r] |= 1 << (c >> ss_x);
1139 : else
1140 0 : mask_8x8[r] |= 1 << (c >> ss_x);
1141 : }
1142 0 : } else if (tx_size == TX_16X16) {
1143 0 : if (!skip_this_c && ((c >> ss_x) & 1) == 0) {
1144 0 : if (!skip_border_4x4_c)
1145 0 : mask_16x16_c |= 1 << (c >> ss_x);
1146 : else
1147 0 : mask_8x8_c |= 1 << (c >> ss_x);
1148 : }
1149 0 : if (!skip_this_r && ((r >> ss_y) & 1) == 0) {
1150 0 : if (!skip_border_4x4_r)
1151 0 : mask_16x16[r] |= 1 << (c >> ss_x);
1152 : else
1153 0 : mask_8x8[r] |= 1 << (c >> ss_x);
1154 : }
1155 : } else {
1156 : // force 8x8 filtering on 32x32 boundaries
1157 0 : if (!skip_this_c) {
1158 0 : if (tx_size == TX_8X8 || ((c >> ss_x) & 3) == 0)
1159 0 : mask_8x8_c |= 1 << (c >> ss_x);
1160 : else
1161 0 : mask_4x4_c |= 1 << (c >> ss_x);
1162 : }
1163 :
1164 0 : if (!skip_this_r) {
1165 0 : if (tx_size == TX_8X8 || ((r >> ss_y) & 3) == 0)
1166 0 : mask_8x8[r] |= 1 << (c >> ss_x);
1167 : else
1168 0 : mask_4x4[r] |= 1 << (c >> ss_x);
1169 : }
1170 :
1171 0 : if (!skip_this && tx_size < TX_8X8 && !skip_border_4x4_c)
1172 0 : mask_4x4_int[r] |= 1 << (c >> ss_x);
1173 : }
1174 : }
1175 :
1176 : // Disable filtering on the leftmost column
1177 0 : border_mask = ~(mi_col == 0);
1178 : #if CONFIG_VP9_HIGHBITDEPTH
1179 : if (cm->use_highbitdepth) {
1180 : highbd_filter_selectively_vert(
1181 : CONVERT_TO_SHORTPTR(dst->buf), dst->stride,
1182 : mask_16x16_c & border_mask, mask_8x8_c & border_mask,
1183 : mask_4x4_c & border_mask, mask_4x4_int[r], cm->lf_info.lfthr,
1184 : &lfl[r << 3], (int)cm->bit_depth);
1185 : } else {
1186 : #endif // CONFIG_VP9_HIGHBITDEPTH
1187 0 : filter_selectively_vert(dst->buf, dst->stride, mask_16x16_c & border_mask,
1188 : mask_8x8_c & border_mask,
1189 : mask_4x4_c & border_mask, mask_4x4_int[r],
1190 0 : cm->lf_info.lfthr, &lfl[r << 3]);
1191 : #if CONFIG_VP9_HIGHBITDEPTH
1192 : }
1193 : #endif // CONFIG_VP9_HIGHBITDEPTH
1194 0 : dst->buf += 8 * dst->stride;
1195 0 : mi_8x8 += row_step_stride;
1196 : }
1197 :
1198 : // Now do horizontal pass
1199 0 : dst->buf = dst0;
1200 0 : for (r = 0; r < MI_BLOCK_SIZE && mi_row + r < cm->mi_rows; r += row_step) {
1201 0 : const int skip_border_4x4_r = ss_y && mi_row + r == cm->mi_rows - 1;
1202 0 : const unsigned int mask_4x4_int_r = skip_border_4x4_r ? 0 : mask_4x4_int[r];
1203 :
1204 : unsigned int mask_16x16_r;
1205 : unsigned int mask_8x8_r;
1206 : unsigned int mask_4x4_r;
1207 :
1208 0 : if (mi_row + r == 0) {
1209 0 : mask_16x16_r = 0;
1210 0 : mask_8x8_r = 0;
1211 0 : mask_4x4_r = 0;
1212 : } else {
1213 0 : mask_16x16_r = mask_16x16[r];
1214 0 : mask_8x8_r = mask_8x8[r];
1215 0 : mask_4x4_r = mask_4x4[r];
1216 : }
1217 : #if CONFIG_VP9_HIGHBITDEPTH
1218 : if (cm->use_highbitdepth) {
1219 : highbd_filter_selectively_horiz(
1220 : CONVERT_TO_SHORTPTR(dst->buf), dst->stride, mask_16x16_r, mask_8x8_r,
1221 : mask_4x4_r, mask_4x4_int_r, cm->lf_info.lfthr, &lfl[r << 3],
1222 : (int)cm->bit_depth);
1223 : } else {
1224 : #endif // CONFIG_VP9_HIGHBITDEPTH
1225 0 : filter_selectively_horiz(dst->buf, dst->stride, mask_16x16_r, mask_8x8_r,
1226 0 : mask_4x4_r, mask_4x4_int_r, cm->lf_info.lfthr,
1227 0 : &lfl[r << 3]);
1228 : #if CONFIG_VP9_HIGHBITDEPTH
1229 : }
1230 : #endif // CONFIG_VP9_HIGHBITDEPTH
1231 0 : dst->buf += 8 * dst->stride;
1232 : }
1233 0 : }
1234 :
1235 0 : void vp9_filter_block_plane_ss00(VP9_COMMON *const cm,
1236 : struct macroblockd_plane *const plane,
1237 : int mi_row, LOOP_FILTER_MASK *lfm) {
1238 0 : struct buf_2d *const dst = &plane->dst;
1239 0 : uint8_t *const dst0 = dst->buf;
1240 : int r;
1241 0 : uint64_t mask_16x16 = lfm->left_y[TX_16X16];
1242 0 : uint64_t mask_8x8 = lfm->left_y[TX_8X8];
1243 0 : uint64_t mask_4x4 = lfm->left_y[TX_4X4];
1244 0 : uint64_t mask_4x4_int = lfm->int_4x4_y;
1245 :
1246 0 : assert(plane->subsampling_x == 0 && plane->subsampling_y == 0);
1247 :
1248 : // Vertical pass: do 2 rows at one time
1249 0 : for (r = 0; r < MI_BLOCK_SIZE && mi_row + r < cm->mi_rows; r += 2) {
1250 : #if CONFIG_VP9_HIGHBITDEPTH
1251 : if (cm->use_highbitdepth) {
1252 : // Disable filtering on the leftmost column.
1253 : highbd_filter_selectively_vert_row2(
1254 : plane->subsampling_x, CONVERT_TO_SHORTPTR(dst->buf), dst->stride,
1255 : (unsigned int)mask_16x16, (unsigned int)mask_8x8,
1256 : (unsigned int)mask_4x4, (unsigned int)mask_4x4_int, cm->lf_info.lfthr,
1257 : &lfm->lfl_y[r << 3], (int)cm->bit_depth);
1258 : } else {
1259 : #endif // CONFIG_VP9_HIGHBITDEPTH
1260 : // Disable filtering on the leftmost column.
1261 0 : filter_selectively_vert_row2(
1262 : plane->subsampling_x, dst->buf, dst->stride, (unsigned int)mask_16x16,
1263 : (unsigned int)mask_8x8, (unsigned int)mask_4x4,
1264 0 : (unsigned int)mask_4x4_int, cm->lf_info.lfthr, &lfm->lfl_y[r << 3]);
1265 : #if CONFIG_VP9_HIGHBITDEPTH
1266 : }
1267 : #endif // CONFIG_VP9_HIGHBITDEPTH
1268 0 : dst->buf += 16 * dst->stride;
1269 0 : mask_16x16 >>= 16;
1270 0 : mask_8x8 >>= 16;
1271 0 : mask_4x4 >>= 16;
1272 0 : mask_4x4_int >>= 16;
1273 : }
1274 :
1275 : // Horizontal pass
1276 0 : dst->buf = dst0;
1277 0 : mask_16x16 = lfm->above_y[TX_16X16];
1278 0 : mask_8x8 = lfm->above_y[TX_8X8];
1279 0 : mask_4x4 = lfm->above_y[TX_4X4];
1280 0 : mask_4x4_int = lfm->int_4x4_y;
1281 :
1282 0 : for (r = 0; r < MI_BLOCK_SIZE && mi_row + r < cm->mi_rows; r++) {
1283 : unsigned int mask_16x16_r;
1284 : unsigned int mask_8x8_r;
1285 : unsigned int mask_4x4_r;
1286 :
1287 0 : if (mi_row + r == 0) {
1288 0 : mask_16x16_r = 0;
1289 0 : mask_8x8_r = 0;
1290 0 : mask_4x4_r = 0;
1291 : } else {
1292 0 : mask_16x16_r = mask_16x16 & 0xff;
1293 0 : mask_8x8_r = mask_8x8 & 0xff;
1294 0 : mask_4x4_r = mask_4x4 & 0xff;
1295 : }
1296 :
1297 : #if CONFIG_VP9_HIGHBITDEPTH
1298 : if (cm->use_highbitdepth) {
1299 : highbd_filter_selectively_horiz(
1300 : CONVERT_TO_SHORTPTR(dst->buf), dst->stride, mask_16x16_r, mask_8x8_r,
1301 : mask_4x4_r, mask_4x4_int & 0xff, cm->lf_info.lfthr,
1302 : &lfm->lfl_y[r << 3], (int)cm->bit_depth);
1303 : } else {
1304 : #endif // CONFIG_VP9_HIGHBITDEPTH
1305 0 : filter_selectively_horiz(dst->buf, dst->stride, mask_16x16_r, mask_8x8_r,
1306 : mask_4x4_r, mask_4x4_int & 0xff,
1307 0 : cm->lf_info.lfthr, &lfm->lfl_y[r << 3]);
1308 : #if CONFIG_VP9_HIGHBITDEPTH
1309 : }
1310 : #endif // CONFIG_VP9_HIGHBITDEPTH
1311 :
1312 0 : dst->buf += 8 * dst->stride;
1313 0 : mask_16x16 >>= 8;
1314 0 : mask_8x8 >>= 8;
1315 0 : mask_4x4 >>= 8;
1316 0 : mask_4x4_int >>= 8;
1317 : }
1318 0 : }
1319 :
1320 0 : void vp9_filter_block_plane_ss11(VP9_COMMON *const cm,
1321 : struct macroblockd_plane *const plane,
1322 : int mi_row, LOOP_FILTER_MASK *lfm) {
1323 0 : struct buf_2d *const dst = &plane->dst;
1324 0 : uint8_t *const dst0 = dst->buf;
1325 : int r, c;
1326 : uint8_t lfl_uv[16];
1327 :
1328 0 : uint16_t mask_16x16 = lfm->left_uv[TX_16X16];
1329 0 : uint16_t mask_8x8 = lfm->left_uv[TX_8X8];
1330 0 : uint16_t mask_4x4 = lfm->left_uv[TX_4X4];
1331 0 : uint16_t mask_4x4_int = lfm->int_4x4_uv;
1332 :
1333 0 : assert(plane->subsampling_x == 1 && plane->subsampling_y == 1);
1334 :
1335 : // Vertical pass: do 2 rows at one time
1336 0 : for (r = 0; r < MI_BLOCK_SIZE && mi_row + r < cm->mi_rows; r += 4) {
1337 0 : for (c = 0; c < (MI_BLOCK_SIZE >> 1); c++) {
1338 0 : lfl_uv[(r << 1) + c] = lfm->lfl_y[(r << 3) + (c << 1)];
1339 0 : lfl_uv[((r + 2) << 1) + c] = lfm->lfl_y[((r + 2) << 3) + (c << 1)];
1340 : }
1341 :
1342 : #if CONFIG_VP9_HIGHBITDEPTH
1343 : if (cm->use_highbitdepth) {
1344 : // Disable filtering on the leftmost column.
1345 : highbd_filter_selectively_vert_row2(
1346 : plane->subsampling_x, CONVERT_TO_SHORTPTR(dst->buf), dst->stride,
1347 : (unsigned int)mask_16x16, (unsigned int)mask_8x8,
1348 : (unsigned int)mask_4x4, (unsigned int)mask_4x4_int, cm->lf_info.lfthr,
1349 : &lfl_uv[r << 1], (int)cm->bit_depth);
1350 : } else {
1351 : #endif // CONFIG_VP9_HIGHBITDEPTH
1352 : // Disable filtering on the leftmost column.
1353 0 : filter_selectively_vert_row2(
1354 : plane->subsampling_x, dst->buf, dst->stride, (unsigned int)mask_16x16,
1355 : (unsigned int)mask_8x8, (unsigned int)mask_4x4,
1356 0 : (unsigned int)mask_4x4_int, cm->lf_info.lfthr, &lfl_uv[r << 1]);
1357 : #if CONFIG_VP9_HIGHBITDEPTH
1358 : }
1359 : #endif // CONFIG_VP9_HIGHBITDEPTH
1360 :
1361 0 : dst->buf += 16 * dst->stride;
1362 0 : mask_16x16 >>= 8;
1363 0 : mask_8x8 >>= 8;
1364 0 : mask_4x4 >>= 8;
1365 0 : mask_4x4_int >>= 8;
1366 : }
1367 :
1368 : // Horizontal pass
1369 0 : dst->buf = dst0;
1370 0 : mask_16x16 = lfm->above_uv[TX_16X16];
1371 0 : mask_8x8 = lfm->above_uv[TX_8X8];
1372 0 : mask_4x4 = lfm->above_uv[TX_4X4];
1373 0 : mask_4x4_int = lfm->int_4x4_uv;
1374 :
1375 0 : for (r = 0; r < MI_BLOCK_SIZE && mi_row + r < cm->mi_rows; r += 2) {
1376 0 : const int skip_border_4x4_r = mi_row + r == cm->mi_rows - 1;
1377 0 : const unsigned int mask_4x4_int_r =
1378 0 : skip_border_4x4_r ? 0 : (mask_4x4_int & 0xf);
1379 : unsigned int mask_16x16_r;
1380 : unsigned int mask_8x8_r;
1381 : unsigned int mask_4x4_r;
1382 :
1383 0 : if (mi_row + r == 0) {
1384 0 : mask_16x16_r = 0;
1385 0 : mask_8x8_r = 0;
1386 0 : mask_4x4_r = 0;
1387 : } else {
1388 0 : mask_16x16_r = mask_16x16 & 0xf;
1389 0 : mask_8x8_r = mask_8x8 & 0xf;
1390 0 : mask_4x4_r = mask_4x4 & 0xf;
1391 : }
1392 :
1393 : #if CONFIG_VP9_HIGHBITDEPTH
1394 : if (cm->use_highbitdepth) {
1395 : highbd_filter_selectively_horiz(
1396 : CONVERT_TO_SHORTPTR(dst->buf), dst->stride, mask_16x16_r, mask_8x8_r,
1397 : mask_4x4_r, mask_4x4_int_r, cm->lf_info.lfthr, &lfl_uv[r << 1],
1398 : (int)cm->bit_depth);
1399 : } else {
1400 : #endif // CONFIG_VP9_HIGHBITDEPTH
1401 0 : filter_selectively_horiz(dst->buf, dst->stride, mask_16x16_r, mask_8x8_r,
1402 0 : mask_4x4_r, mask_4x4_int_r, cm->lf_info.lfthr,
1403 0 : &lfl_uv[r << 1]);
1404 : #if CONFIG_VP9_HIGHBITDEPTH
1405 : }
1406 : #endif // CONFIG_VP9_HIGHBITDEPTH
1407 :
1408 0 : dst->buf += 8 * dst->stride;
1409 0 : mask_16x16 >>= 4;
1410 0 : mask_8x8 >>= 4;
1411 0 : mask_4x4 >>= 4;
1412 0 : mask_4x4_int >>= 4;
1413 : }
1414 0 : }
1415 :
1416 0 : static void loop_filter_rows(YV12_BUFFER_CONFIG *frame_buffer, VP9_COMMON *cm,
1417 : struct macroblockd_plane planes[MAX_MB_PLANE],
1418 : int start, int stop, int y_only) {
1419 0 : const int num_planes = y_only ? 1 : MAX_MB_PLANE;
1420 : enum lf_path path;
1421 : int mi_row, mi_col;
1422 :
1423 0 : if (y_only)
1424 0 : path = LF_PATH_444;
1425 0 : else if (planes[1].subsampling_y == 1 && planes[1].subsampling_x == 1)
1426 0 : path = LF_PATH_420;
1427 0 : else if (planes[1].subsampling_y == 0 && planes[1].subsampling_x == 0)
1428 0 : path = LF_PATH_444;
1429 : else
1430 0 : path = LF_PATH_SLOW;
1431 :
1432 0 : for (mi_row = start; mi_row < stop; mi_row += MI_BLOCK_SIZE) {
1433 0 : MODE_INFO **mi = cm->mi_grid_visible + mi_row * cm->mi_stride;
1434 0 : LOOP_FILTER_MASK *lfm = get_lfm(&cm->lf, mi_row, 0);
1435 :
1436 0 : for (mi_col = 0; mi_col < cm->mi_cols; mi_col += MI_BLOCK_SIZE, ++lfm) {
1437 : int plane;
1438 :
1439 0 : vp9_setup_dst_planes(planes, frame_buffer, mi_row, mi_col);
1440 :
1441 : // TODO(jimbankoski): For 444 only need to do y mask.
1442 0 : vp9_adjust_mask(cm, mi_row, mi_col, lfm);
1443 :
1444 0 : vp9_filter_block_plane_ss00(cm, &planes[0], mi_row, lfm);
1445 0 : for (plane = 1; plane < num_planes; ++plane) {
1446 0 : switch (path) {
1447 : case LF_PATH_420:
1448 0 : vp9_filter_block_plane_ss11(cm, &planes[plane], mi_row, lfm);
1449 0 : break;
1450 : case LF_PATH_444:
1451 0 : vp9_filter_block_plane_ss00(cm, &planes[plane], mi_row, lfm);
1452 0 : break;
1453 : case LF_PATH_SLOW:
1454 0 : vp9_filter_block_plane_non420(cm, &planes[plane], mi + mi_col,
1455 : mi_row, mi_col);
1456 0 : break;
1457 : }
1458 : }
1459 : }
1460 : }
1461 0 : }
1462 :
1463 0 : void vp9_loop_filter_frame(YV12_BUFFER_CONFIG *frame, VP9_COMMON *cm,
1464 : MACROBLOCKD *xd, int frame_filter_level, int y_only,
1465 : int partial_frame) {
1466 : int start_mi_row, end_mi_row, mi_rows_to_filter;
1467 0 : if (!frame_filter_level) return;
1468 0 : start_mi_row = 0;
1469 0 : mi_rows_to_filter = cm->mi_rows;
1470 0 : if (partial_frame && cm->mi_rows > 8) {
1471 0 : start_mi_row = cm->mi_rows >> 1;
1472 0 : start_mi_row &= 0xfffffff8;
1473 0 : mi_rows_to_filter = VPXMAX(cm->mi_rows / 8, 8);
1474 : }
1475 0 : end_mi_row = start_mi_row + mi_rows_to_filter;
1476 0 : loop_filter_rows(frame, cm, xd->plane, start_mi_row, end_mi_row, y_only);
1477 : }
1478 :
1479 : // Used by the encoder to build the loopfilter masks.
1480 : // TODO(slavarnway): Do the encoder the same way the decoder does it and
1481 : // build the masks in line as part of the encode process.
1482 0 : void vp9_build_mask_frame(VP9_COMMON *cm, int frame_filter_level,
1483 : int partial_frame) {
1484 : int start_mi_row, end_mi_row, mi_rows_to_filter;
1485 : int mi_col, mi_row;
1486 0 : if (!frame_filter_level) return;
1487 0 : start_mi_row = 0;
1488 0 : mi_rows_to_filter = cm->mi_rows;
1489 0 : if (partial_frame && cm->mi_rows > 8) {
1490 0 : start_mi_row = cm->mi_rows >> 1;
1491 0 : start_mi_row &= 0xfffffff8;
1492 0 : mi_rows_to_filter = VPXMAX(cm->mi_rows / 8, 8);
1493 : }
1494 0 : end_mi_row = start_mi_row + mi_rows_to_filter;
1495 :
1496 0 : vp9_loop_filter_frame_init(cm, frame_filter_level);
1497 :
1498 0 : for (mi_row = start_mi_row; mi_row < end_mi_row; mi_row += MI_BLOCK_SIZE) {
1499 0 : MODE_INFO **mi = cm->mi_grid_visible + mi_row * cm->mi_stride;
1500 0 : for (mi_col = 0; mi_col < cm->mi_cols; mi_col += MI_BLOCK_SIZE) {
1501 : // vp9_setup_mask() zeros lfm
1502 0 : vp9_setup_mask(cm, mi_row, mi_col, mi + mi_col, cm->mi_stride,
1503 0 : get_lfm(&cm->lf, mi_row, mi_col));
1504 : }
1505 : }
1506 : }
1507 :
1508 : // 8x8 blocks in a superblock. A "1" represents the first block in a 16x16
1509 : // or greater area.
1510 : static const uint8_t first_block_in_16x16[8][8] = {
1511 : { 1, 0, 1, 0, 1, 0, 1, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0 },
1512 : { 1, 0, 1, 0, 1, 0, 1, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0 },
1513 : { 1, 0, 1, 0, 1, 0, 1, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0 },
1514 : { 1, 0, 1, 0, 1, 0, 1, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0 }
1515 : };
1516 :
1517 : // This function sets up the bit masks for a block represented
1518 : // by mi_row, mi_col in a 64x64 region.
1519 : // TODO(SJL): This function only works for yv12.
1520 0 : void vp9_build_mask(VP9_COMMON *cm, const MODE_INFO *mi, int mi_row, int mi_col,
1521 : int bw, int bh) {
1522 0 : const BLOCK_SIZE block_size = mi->sb_type;
1523 0 : const TX_SIZE tx_size_y = mi->tx_size;
1524 0 : const loop_filter_info_n *const lfi_n = &cm->lf_info;
1525 0 : const int filter_level = get_filter_level(lfi_n, mi);
1526 0 : const TX_SIZE tx_size_uv = uv_txsize_lookup[block_size][tx_size_y][1][1];
1527 0 : LOOP_FILTER_MASK *const lfm = get_lfm(&cm->lf, mi_row, mi_col);
1528 0 : uint64_t *const left_y = &lfm->left_y[tx_size_y];
1529 0 : uint64_t *const above_y = &lfm->above_y[tx_size_y];
1530 0 : uint64_t *const int_4x4_y = &lfm->int_4x4_y;
1531 0 : uint16_t *const left_uv = &lfm->left_uv[tx_size_uv];
1532 0 : uint16_t *const above_uv = &lfm->above_uv[tx_size_uv];
1533 0 : uint16_t *const int_4x4_uv = &lfm->int_4x4_uv;
1534 0 : const int row_in_sb = (mi_row & 7);
1535 0 : const int col_in_sb = (mi_col & 7);
1536 0 : const int shift_y = col_in_sb + (row_in_sb << 3);
1537 0 : const int shift_uv = (col_in_sb >> 1) + ((row_in_sb >> 1) << 2);
1538 0 : const int build_uv = first_block_in_16x16[row_in_sb][col_in_sb];
1539 :
1540 0 : if (!filter_level) {
1541 0 : return;
1542 : } else {
1543 0 : int index = shift_y;
1544 : int i;
1545 0 : for (i = 0; i < bh; i++) {
1546 0 : memset(&lfm->lfl_y[index], filter_level, bw);
1547 0 : index += 8;
1548 : }
1549 : }
1550 :
1551 : // These set 1 in the current block size for the block size edges.
1552 : // For instance if the block size is 32x16, we'll set:
1553 : // above = 1111
1554 : // 0000
1555 : // and
1556 : // left = 1000
1557 : // = 1000
1558 : // NOTE : In this example the low bit is left most ( 1000 ) is stored as
1559 : // 1, not 8...
1560 : //
1561 : // U and V set things on a 16 bit scale.
1562 : //
1563 0 : *above_y |= above_prediction_mask[block_size] << shift_y;
1564 0 : *left_y |= left_prediction_mask[block_size] << shift_y;
1565 :
1566 0 : if (build_uv) {
1567 0 : *above_uv |= above_prediction_mask_uv[block_size] << shift_uv;
1568 0 : *left_uv |= left_prediction_mask_uv[block_size] << shift_uv;
1569 : }
1570 :
1571 : // If the block has no coefficients and is not intra we skip applying
1572 : // the loop filter on block edges.
1573 0 : if (mi->skip && is_inter_block(mi)) return;
1574 :
1575 : // Add a mask for the transform size. The transform size mask is set to
1576 : // be correct for a 64x64 prediction block size. Mask to match the size of
1577 : // the block we are working on and then shift it into place.
1578 0 : *above_y |= (size_mask[block_size] & above_64x64_txform_mask[tx_size_y])
1579 0 : << shift_y;
1580 0 : *left_y |= (size_mask[block_size] & left_64x64_txform_mask[tx_size_y])
1581 0 : << shift_y;
1582 :
1583 0 : if (build_uv) {
1584 0 : *above_uv |=
1585 0 : (size_mask_uv[block_size] & above_64x64_txform_mask_uv[tx_size_uv])
1586 0 : << shift_uv;
1587 :
1588 0 : *left_uv |=
1589 0 : (size_mask_uv[block_size] & left_64x64_txform_mask_uv[tx_size_uv])
1590 0 : << shift_uv;
1591 : }
1592 :
1593 : // Try to determine what to do with the internal 4x4 block boundaries. These
1594 : // differ from the 4x4 boundaries on the outside edge of an 8x8 in that the
1595 : // internal ones can be skipped and don't depend on the prediction block size.
1596 0 : if (tx_size_y == TX_4X4) *int_4x4_y |= size_mask[block_size] << shift_y;
1597 :
1598 0 : if (build_uv && tx_size_uv == TX_4X4)
1599 0 : *int_4x4_uv |= (size_mask_uv[block_size] & 0xffff) << shift_uv;
1600 : }
1601 :
1602 0 : void vp9_loop_filter_data_reset(
1603 : LFWorkerData *lf_data, YV12_BUFFER_CONFIG *frame_buffer,
1604 : struct VP9Common *cm, const struct macroblockd_plane planes[MAX_MB_PLANE]) {
1605 0 : lf_data->frame_buffer = frame_buffer;
1606 0 : lf_data->cm = cm;
1607 0 : lf_data->start = 0;
1608 0 : lf_data->stop = 0;
1609 0 : lf_data->y_only = 0;
1610 0 : memcpy(lf_data->planes, planes, sizeof(lf_data->planes));
1611 0 : }
1612 :
1613 0 : void vp9_reset_lfm(VP9_COMMON *const cm) {
1614 0 : if (cm->lf.filter_level) {
1615 0 : memset(cm->lf.lfm, 0, ((cm->mi_rows + (MI_BLOCK_SIZE - 1)) >> 3) *
1616 0 : cm->lf.lfm_stride * sizeof(*cm->lf.lfm));
1617 : }
1618 0 : }
1619 :
1620 0 : int vp9_loop_filter_worker(LFWorkerData *const lf_data, void *unused) {
1621 : (void)unused;
1622 0 : loop_filter_rows(lf_data->frame_buffer, lf_data->cm, lf_data->planes,
1623 : lf_data->start, lf_data->stop, lf_data->y_only);
1624 0 : return 1;
1625 : }
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