4 * Copyright (C) 2012 - 2013 Guillaume Martres
5 * Copyright (C) 2013 Seppo Tomperi
6 * Copyright (C) 2013 Wassim Hamidouche
8 * This file is part of FFmpeg.
10 * FFmpeg is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
15 * FFmpeg is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with FFmpeg; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 #include "libavutil/common.h"
26 #include "libavutil/internal.h"
28 #include "cabac_functions.h"
31 #include "bit_depth_template.c"
37 static const uint8_t tctable[54] = {
38 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, // QP 0...18
39 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, // QP 19...37
40 5, 5, 6, 6, 7, 8, 9,10,11,13,14,16,18,20,22,24 // QP 38...53
43 static const uint8_t betatable[52] = {
44 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 7, 8, // QP 0...18
45 9,10,11,12,13,14,15,16,17,18,20,22,24,26,28,30,32,34,36, // QP 19...37
46 38,40,42,44,46,48,50,52,54,56,58,60,62,64 // QP 38...51
49 static int chroma_tc(HEVCContext *s, int qp_y, int c_idx, int tc_offset)
51 static const int qp_c[] = { 29, 30, 31, 32, 33, 33, 34, 34, 35, 35, 36, 36, 37, 37 };
56 // slice qp offset is not used for deblocking
58 offset = s->pps->cb_qp_offset;
60 offset = s->pps->cr_qp_offset;
62 qp_i = av_clip_c(qp_y + offset, 0, 57);
70 idxt = av_clip_c(qp + DEFAULT_INTRA_TC_OFFSET + tc_offset, 0, 53);
74 static int get_qPy_pred(HEVCContext *s, int xC, int yC, int xBase, int yBase, int log2_cb_size)
76 HEVCLocalContext *lc = s->HEVClc;
77 int ctb_size_mask = (1 << s->sps->log2_ctb_size) - 1;
78 int MinCuQpDeltaSizeMask = (1 << (s->sps->log2_ctb_size - s->pps->diff_cu_qp_delta_depth)) - 1;
79 int xQgBase = xBase - ( xBase & MinCuQpDeltaSizeMask );
80 int yQgBase = yBase - ( yBase & MinCuQpDeltaSizeMask );
81 int min_cb_width = s->sps->min_cb_width;
82 int min_cb_height = s->sps->min_cb_height;
83 int x_cb = xQgBase >> s->sps->log2_min_cb_size;
84 int y_cb = yQgBase >> s->sps->log2_min_cb_size;
85 int availableA = (xBase & ctb_size_mask) && (xQgBase & ctb_size_mask);
86 int availableB = (yBase & ctb_size_mask) && (yQgBase & ctb_size_mask);
92 if (lc->first_qp_group) {
93 lc->first_qp_group = !lc->tu.is_cu_qp_delta_coded;
94 qPy_pred = s->sh.slice_qp;
97 if (log2_cb_size < s->sps->log2_ctb_size - s->pps->diff_cu_qp_delta_depth) {
98 static const int offsetX[8][8] = {
99 {-1, 1, 3, 1, 7, 1, 3, 1},
100 { 0, 0, 0, 0, 0, 0, 0, 0},
101 { 1, 3, 1, 3, 1, 3, 1, 3},
102 { 2, 2, 2, 2, 2, 2, 2, 2},
103 { 3, 5, 7, 5, 3, 5, 7, 5},
104 { 4, 4, 4, 4, 4, 4, 4, 4},
105 { 5, 7, 5, 7, 5, 7, 5, 7},
106 { 6, 6, 6, 6, 6, 6, 6, 6}
108 static const int offsetY[8][8] = {
109 { 7, 0, 1, 2, 3, 4, 5, 6},
110 { 0, 1, 2, 3, 4, 5, 6, 7},
111 { 1, 0, 3, 2, 5, 4, 7, 6},
112 { 0, 1, 2, 3, 4, 5, 6, 7},
113 { 3, 0, 1, 2, 7, 4, 5, 6},
114 { 0, 1, 2, 3, 4, 5, 6, 7},
115 { 1, 0, 3, 2, 5, 4, 7, 6},
116 { 0, 1, 2, 3, 4, 5, 6, 7}
118 int xC0b = (xC - (xC & ctb_size_mask)) >> s->sps->log2_min_cb_size;
119 int yC0b = (yC - (yC & ctb_size_mask)) >> s->sps->log2_min_cb_size;
120 int idxX = (xQgBase & ctb_size_mask) >> s->sps->log2_min_cb_size;
121 int idxY = (yQgBase & ctb_size_mask) >> s->sps->log2_min_cb_size;
122 int idx_mask = ctb_size_mask >> s->sps->log2_min_cb_size;
125 x = FFMIN(xC0b + offsetX[idxX][idxY], min_cb_width - 1);
126 y = FFMIN(yC0b + (offsetY[idxX][idxY] & idx_mask), min_cb_height - 1);
128 if (xC0b == (lc->start_of_tiles_x >> s->sps->log2_min_cb_size) &&
129 offsetX[idxX][idxY] == -1) {
130 x = (lc->end_of_tiles_x >> s->sps->log2_min_cb_size) - 1;
133 qPy_pred = s->qp_y_tab[y * min_cb_width + x];
141 qPy_a = s->qp_y_tab[(x_cb - 1) + y_cb * min_cb_width];
147 qPy_b = s->qp_y_tab[x_cb + (y_cb - 1) * min_cb_width];
149 return (qPy_a + qPy_b + 1) >> 1;
152 void ff_hevc_set_qPy(HEVCContext *s, int xC, int yC, int xBase, int yBase, int log2_cb_size)
154 int qp_y = get_qPy_pred(s, xC, yC, xBase, yBase, log2_cb_size);
156 if (s->HEVClc->tu.cu_qp_delta != 0) {
157 int off = s->sps->qp_bd_offset;
158 s->HEVClc->qp_y = ((qp_y + s->HEVClc->tu.cu_qp_delta + 52 + 2 * off) % (52 + off)) - off;
160 s->HEVClc->qp_y = qp_y;
163 static int get_qPy(HEVCContext *s, int xC, int yC)
165 int log2_min_cb_size = s->sps->log2_min_cb_size;
166 int x = xC >> log2_min_cb_size;
167 int y = yC >> log2_min_cb_size;
168 return s->qp_y_tab[x + y * s->sps->min_cb_width];
171 static void copy_CTB(uint8_t *dst, uint8_t *src, int width, int height, int stride)
175 for(i=0; i< height; i++){
176 memcpy(dst, src, width);
182 #define CTB(tab, x, y) ((tab)[(y) * s->sps->ctb_width + (x)])
184 static void sao_filter_CTB(HEVCContext *s, int x, int y)
186 // TODO: This should be easily parallelizable
187 // TODO: skip CBs when (cu_transquant_bypass_flag || (pcm_loop_filter_disable_flag && pcm_flag))
189 int class = 1, class_index;
190 int edges[4]; // 0 left 1 top 2 right 3 bottom
193 int x_shift = 0, y_shift = 0;
194 int x_ctb = x>>s->sps->log2_ctb_size;
195 int y_ctb = y>>s->sps->log2_ctb_size;
196 int ctb_addr_rs = y_ctb * s->sps->ctb_width + x_ctb;
197 int ctb_addr_ts = s->pps->ctb_addr_rs_to_ts[ctb_addr_rs];
199 // flags indicating unfilterable edges
200 uint8_t vert_edge[] = {0,0,0,0};
201 uint8_t horiz_edge[] = {0,0,0,0};
202 uint8_t diag_edge[] = {0,0,0,0};
203 uint8_t lfase[3]; // current, above, left
204 uint8_t no_tile_filter = s->pps->tiles_enabled_flag && !s->pps->loop_filter_across_tiles_enabled_flag;
205 uint8_t left_tile_edge = 0;
206 uint8_t up_tile_edge = 0;
208 sao[0] = &CTB(s->sao, x_ctb, y_ctb);
209 edges[0] = x_ctb == 0;
210 edges[1] = y_ctb == 0;
211 edges[2] = x_ctb == (s->sps->ctb_width - 1);
212 edges[3] = y_ctb == (s->sps->ctb_height - 1);
213 lfase[0] = CTB(s->filter_slice_edges, x_ctb, y_ctb);
217 left_tile_edge = no_tile_filter && s->pps->tile_id[ctb_addr_ts] != s->pps->tile_id[s->pps->ctb_addr_rs_to_ts[ctb_addr_rs-1]];
218 sao[class] = &CTB(s->sao, x_ctb - 1, y_ctb);
219 vert_edge[0] = (!lfase[0] && CTB(s->tab_slice_address, x_ctb, y_ctb) != CTB(s->tab_slice_address, x_ctb - 1, y_ctb)) || left_tile_edge;
220 vert_edge[2] = vert_edge[0];
221 lfase[2] = CTB(s->filter_slice_edges, x_ctb - 1, y_ctb);
228 up_tile_edge = no_tile_filter && s->pps->tile_id[ctb_addr_ts] != s->pps->tile_id[s->pps->ctb_addr_rs_to_ts[ctb_addr_rs - s->sps->ctb_width]];
229 sao[class] = &CTB(s->sao, x_ctb, y_ctb - 1);
230 horiz_edge[0] = (!lfase[0] && CTB(s->tab_slice_address, x_ctb, y_ctb) != CTB(s->tab_slice_address, x_ctb, y_ctb - 1)) || up_tile_edge;
231 horiz_edge[1] = horiz_edge[0];
232 lfase[1] = CTB(s->filter_slice_edges, x_ctb, y_ctb - 1);
239 sao[class] = &CTB(s->sao, x_ctb - 1, y_ctb - 1);
242 // Tile check here is done current CTB row/col, not above/left like you'd expect,
243 //but that is because the tile boundary always extends through the whole pic
244 vert_edge[1] = (!lfase[1] && CTB(s->tab_slice_address, x_ctb, y_ctb - 1) != CTB(s->tab_slice_address, x_ctb - 1, y_ctb - 1)) || left_tile_edge;
245 vert_edge[3] = vert_edge[1];
246 horiz_edge[2] = (!lfase[2] && CTB(s->tab_slice_address, x_ctb - 1, y_ctb) != CTB(s->tab_slice_address, x_ctb - 1, y_ctb - 1)) || up_tile_edge;
247 horiz_edge[3] = horiz_edge[2];
248 diag_edge[0] = (!lfase[0] && CTB(s->tab_slice_address, x_ctb, y_ctb) != CTB(s->tab_slice_address, x_ctb - 1, y_ctb - 1)) || left_tile_edge || up_tile_edge;
249 diag_edge[3] = diag_edge[0];
251 // Does left CTB comes after above CTB?
252 if(CTB(s->tab_slice_address, x_ctb - 1, y_ctb) > CTB(s->tab_slice_address, x_ctb, y_ctb - 1)) {
253 diag_edge[2] = !lfase[2] || left_tile_edge || up_tile_edge;
254 diag_edge[1] = diag_edge[2];
255 } else if(CTB(s->tab_slice_address, x_ctb - 1, y_ctb) < CTB(s->tab_slice_address, x_ctb, y_ctb - 1)) {
256 diag_edge[1] = !lfase[1] || left_tile_edge || up_tile_edge;
257 diag_edge[2] = diag_edge[1];
259 // Same slice, only consider tiles
260 diag_edge[2] = left_tile_edge || up_tile_edge;
261 diag_edge[1] = diag_edge[2];
266 for (c_idx = 0; c_idx < 3; c_idx++) {
267 int chroma = c_idx ? 1 : 0;
268 int x0 = x >> chroma;
269 int y0 = y >> chroma;
270 int stride = s->frame->linesize[c_idx];
271 int ctb_size = (1 << (s->sps->log2_ctb_size)) >> s->sps->hshift[c_idx];
272 int width = FFMIN(ctb_size,
273 (s->sps->width >> s->sps->hshift[c_idx]) - x0);
274 int height = FFMIN(ctb_size,
275 (s->sps->height >> s->sps->vshift[c_idx]) - y0);
277 uint8_t *src = &s->frame->data[c_idx][y0 * stride + (x0 << s->sps->pixel_shift)];
278 uint8_t *dst = &s->sao_frame->data[c_idx][y0 * stride + (x0 << s->sps->pixel_shift)];
279 int offset = (y_shift >> chroma) * stride + ((x_shift >> chroma) << s->sps->pixel_shift);
281 copy_CTB(dst - offset, src - offset,
282 (edges[2] ? width + (x_shift >> chroma) : width) << s->sps->pixel_shift,
283 (edges[3] ? height + (y_shift >> chroma) : height), stride);
285 for (class_index = 0; class_index < class; class_index++) {
287 switch (sao[class_index]->type_idx[c_idx]) {
289 s->hevcdsp.sao_band_filter[classes[class_index]](dst, src, stride, sao[class_index], edges, width, height, c_idx);
292 s->hevcdsp.sao_edge_filter[classes[class_index]](dst, src, stride, sao[class_index], edges, width, height, c_idx, vert_edge[classes[class_index]], horiz_edge[classes[class_index]], diag_edge[classes[class_index]]);
299 static int get_pcm(HEVCContext *s, int x, int y)
301 int log2_min_pu_size = s->sps->log2_min_pu_size;
302 int x_pu = x >> log2_min_pu_size;
303 int y_pu = y >> log2_min_pu_size;
305 if (x < 0 || x_pu >= s->sps->min_pu_width ||
306 y < 0 || y_pu >= s->sps->min_pu_height)
308 return s->is_pcm[y_pu * s->sps->min_pu_width + x_pu];
311 #define TC_CALC(qp, bs) tctable[av_clip((qp) + DEFAULT_INTRA_TC_OFFSET * ((bs) - 1) + ((tc_offset >> 1) << 1), 0, MAX_QP + DEFAULT_INTRA_TC_OFFSET)]
313 static void deblocking_filter_CTB(HEVCContext *s, int x0, int y0)
321 uint8_t no_p[2] = {0};
322 uint8_t no_q[2] = {0};
324 int log2_ctb_size = s->sps->log2_ctb_size;
326 int ctb_size = 1<<log2_ctb_size;
327 int ctb = (x0 >> log2_ctb_size) + (y0 >> log2_ctb_size) * s->sps->ctb_width;
328 int cur_tc_offset = s->deblock[ctb].tc_offset;
329 int cur_beta_offset = s->deblock[ctb].beta_offset;
330 int left_tc_offset, left_beta_offset;
331 int tc_offset, beta_offset;
332 int pcmf = (s->sps->pcm_enabled_flag && s->sps->pcm.loop_filter_disable_flag) ||
333 s->pps->transquant_bypass_enable_flag;
336 left_tc_offset = s->deblock[ctb-1].tc_offset;
337 left_beta_offset = s->deblock[ctb-1].beta_offset;
341 if (x_end > s->sps->width)
342 x_end = s->sps->width;
344 if (y_end > s->sps->height)
345 y_end = s->sps->height;
347 tc_offset = cur_tc_offset;
348 beta_offset = cur_beta_offset;
350 // vertical filtering luma
351 for (y = y0; y < y_end; y += 8) {
352 for (x = x0 ? x0 : 8; x < x_end; x += 8) {
353 const int bs0 = s->vertical_bs[(x >> 3) + (y >> 2) * s->bs_width];
354 const int bs1 = s->vertical_bs[(x >> 3) + ((y + 4) >> 2) * s->bs_width];
356 const int qp0 = (get_qPy(s, x - 1, y) + get_qPy(s, x, y) + 1) >> 1;
357 const int qp1 = (get_qPy(s, x - 1, y + 4) + get_qPy(s, x, y + 4) + 1) >> 1;
359 beta[0] = betatable[av_clip(qp0 + ((beta_offset >> 1) << 1), 0, MAX_QP)];
360 beta[1] = betatable[av_clip(qp1 + ((beta_offset >> 1) << 1), 0, MAX_QP)];
361 tc[0] = bs0 ? TC_CALC(qp0, bs0) : 0;
362 tc[1] = bs1 ? TC_CALC(qp1, bs1) : 0;
363 src = &s->frame->data[LUMA][y * s->frame->linesize[LUMA] + (x << s->sps->pixel_shift)];
365 no_p[0] = get_pcm(s, x - 1, y);
366 no_p[1] = get_pcm(s, x - 1, y + 4);
367 no_q[0] = get_pcm(s, x, y);
368 no_q[1] = get_pcm(s, x, y + 4);
369 s->hevcdsp.hevc_v_loop_filter_luma_c(src, s->frame->linesize[LUMA], beta, tc, no_p, no_q);
371 s->hevcdsp.hevc_v_loop_filter_luma(src, s->frame->linesize[LUMA], beta, tc, no_p, no_q);
376 // vertical filtering chroma
377 for (chroma = 1; chroma <= 2; chroma++) {
378 for (y = y0; y < y_end; y += 16) {
379 for (x = x0 ? x0:16; x < x_end; x += 16) {
380 const int bs0 = s->vertical_bs[(x >> 3) + (y >> 2) * s->bs_width];
381 const int bs1 = s->vertical_bs[(x >> 3) + ((y + 8) >> 2) * s->bs_width];
382 if ((bs0 == 2) || (bs1 == 2)) {
383 const int qp0 = (get_qPy(s, x - 1, y) + get_qPy(s, x, y) + 1) >> 1;
384 const int qp1 = (get_qPy(s, x - 1, y + 8) + get_qPy(s, x, y + 8) + 1) >> 1;
386 c_tc[0] = (bs0 == 2) ? chroma_tc(s, qp0, chroma, tc_offset) : 0;
387 c_tc[1] = (bs1 == 2) ? chroma_tc(s, qp1, chroma, tc_offset) : 0;
388 src = &s->frame->data[chroma][(y / 2) * s->frame->linesize[chroma] + ((x / 2) << s->sps->pixel_shift)];
390 no_p[0] = get_pcm(s, x - 1, y);
391 no_p[1] = get_pcm(s, x - 1, y + 8);
392 no_q[0] = get_pcm(s, x, y);
393 no_q[1] = get_pcm(s, x, y + 8);
394 s->hevcdsp.hevc_v_loop_filter_chroma_c(src, s->frame->linesize[chroma], c_tc, no_p, no_q);
396 s->hevcdsp.hevc_v_loop_filter_chroma(src, s->frame->linesize[chroma], c_tc, no_p, no_q);
402 // horizontal filtering luma
403 if (x_end != s->sps->width)
405 for (y = y0 ? y0 : 8; y < y_end; y += 8) {
406 for (x = x0 ? x0 - 8 : 0; x < x_end; x += 8) {
407 const int bs0 = s->horizontal_bs[(x + y * s->bs_width) >> 2];
408 const int bs1 = s->horizontal_bs[(x + 4 + y * s->bs_width) >> 2];
410 const int qp0 = (get_qPy(s, x, y - 1) + get_qPy(s, x, y) + 1) >> 1;
411 const int qp1 = (get_qPy(s, x + 4, y - 1) + get_qPy(s, x + 4, y) + 1) >> 1;
413 tc_offset = x >= x0 ? cur_tc_offset : left_tc_offset;
414 beta_offset = x >= x0 ? cur_beta_offset : left_beta_offset;
416 beta[0] = betatable[av_clip(qp0 + ((beta_offset >> 1) << 1), 0, MAX_QP)];
417 beta[1] = betatable[av_clip(qp1 + ((beta_offset >> 1) << 1), 0, MAX_QP)];
418 tc[0] = bs0 ? TC_CALC(qp0, bs0) : 0;
419 tc[1] = bs1 ? TC_CALC(qp1, bs1) : 0;
420 src = &s->frame->data[LUMA][y * s->frame->linesize[LUMA] + (x << s->sps->pixel_shift)];
422 no_p[0] = get_pcm(s, x, y - 1);
423 no_p[1] = get_pcm(s, x + 4, y - 1);
424 no_q[0] = get_pcm(s, x, y);
425 no_q[1] = get_pcm(s, x + 4, y);
426 s->hevcdsp.hevc_h_loop_filter_luma_c(src, s->frame->linesize[LUMA], beta, tc, no_p, no_q);
428 s->hevcdsp.hevc_h_loop_filter_luma(src, s->frame->linesize[LUMA], beta, tc, no_p, no_q);
433 // horizontal filtering chroma
434 for (chroma = 1; chroma <= 2; chroma++) {
435 for (y = y0 ? y0 : 16; y < y_end; y += 16) {
436 for (x = x0 - 8; x < x_end; x += 16) {
438 // to make sure no memory access over boundary when x = -8
439 // TODO: simplify with row based deblocking
442 bs1 = s->horizontal_bs[(x + 8 + y * s->bs_width) >> 2];
443 } else if (x >= x_end - 8) {
444 bs0 = s->horizontal_bs[(x + y * s->bs_width) >> 2];
447 bs0 = s->horizontal_bs[(x + y * s->bs_width) >> 2];
448 bs1 = s->horizontal_bs[(x + 8 + y * s->bs_width) >> 2];
451 if ((bs0 == 2) || (bs1 == 2)) {
452 const int qp0 = (bs0 == 2) ? ((get_qPy(s, x, y - 1) + get_qPy(s, x, y) + 1) >> 1) : 0;
453 const int qp1 = (bs1 == 2) ? ((get_qPy(s, x + 8, y - 1) + get_qPy(s, x + 8, y) + 1) >> 1) : 0;
455 tc_offset = x >= x0 ? cur_tc_offset : left_tc_offset;
456 c_tc[0] = (bs0 == 2) ? chroma_tc(s, qp0, chroma, tc_offset) : 0;
457 c_tc[1] = (bs1 == 2) ? chroma_tc(s, qp1, chroma, cur_tc_offset) : 0;
458 src = &s->frame->data[chroma][(y / 2) * s->frame->linesize[chroma] + ((x / 2) << s->sps->pixel_shift)];
460 no_p[0] = get_pcm(s, x, y - 1);
461 no_p[1] = get_pcm(s, x + 8, y - 1);
462 no_q[0] = get_pcm(s, x, y);
463 no_q[1] = get_pcm(s, x + 8, y);
464 s->hevcdsp.hevc_h_loop_filter_chroma_c(src, s->frame->linesize[chroma], c_tc, no_p, no_q);
466 s->hevcdsp.hevc_h_loop_filter_chroma(src, s->frame->linesize[chroma], c_tc, no_p, no_q);
473 static int boundary_strength(HEVCContext *s, MvField *curr,
474 uint8_t curr_cbf_luma, MvField *neigh,
475 uint8_t neigh_cbf_luma, RefPicList *neigh_refPicList,
478 int mvs = curr->pred_flag[0] + curr->pred_flag[1];
481 if (curr->is_intra || neigh->is_intra)
483 if (curr_cbf_luma || neigh_cbf_luma)
487 if (mvs == neigh->pred_flag[0] + neigh->pred_flag[1]) {
490 if (s->ref->refPicList[0].list[curr->ref_idx[0]] == neigh_refPicList[0].list[neigh->ref_idx[0]] &&
491 s->ref->refPicList[0].list[curr->ref_idx[0]] == s->ref->refPicList[1].list[curr->ref_idx[1]] &&
492 neigh_refPicList[0].list[neigh->ref_idx[0]] == neigh_refPicList[1].list[neigh->ref_idx[1]]) {
493 if ((abs(neigh->mv[0].x - curr->mv[0].x) >= 4 || abs(neigh->mv[0].y - curr->mv[0].y) >= 4 ||
494 abs(neigh->mv[1].x - curr->mv[1].x) >= 4 || abs(neigh->mv[1].y - curr->mv[1].y) >= 4) &&
495 (abs(neigh->mv[1].x - curr->mv[0].x) >= 4 || abs(neigh->mv[1].y - curr->mv[0].y) >= 4 ||
496 abs(neigh->mv[0].x - curr->mv[1].x) >= 4 || abs(neigh->mv[0].y - curr->mv[1].y) >= 4))
500 } else if (neigh_refPicList[0].list[neigh->ref_idx[0]] == s->ref->refPicList[0].list[curr->ref_idx[0]] &&
501 neigh_refPicList[1].list[neigh->ref_idx[1]] == s->ref->refPicList[1].list[curr->ref_idx[1]]) {
502 if (abs(neigh->mv[0].x - curr->mv[0].x) >= 4 || abs(neigh->mv[0].y - curr->mv[0].y) >= 4 ||
503 abs(neigh->mv[1].x - curr->mv[1].x) >= 4 || abs(neigh->mv[1].y - curr->mv[1].y) >= 4)
507 } else if (neigh_refPicList[1].list[neigh->ref_idx[1]] == s->ref->refPicList[0].list[curr->ref_idx[0]] &&
508 neigh_refPicList[0].list[neigh->ref_idx[0]] == s->ref->refPicList[1].list[curr->ref_idx[1]]) {
509 if (abs(neigh->mv[1].x - curr->mv[0].x) >= 4 || abs(neigh->mv[1].y - curr->mv[0].y) >= 4 ||
510 abs(neigh->mv[0].x - curr->mv[1].x) >= 4 || abs(neigh->mv[0].y - curr->mv[1].y) >= 4)
522 if (curr->pred_flag[0]) {
524 ref_A = s->ref->refPicList[0].list[curr->ref_idx[0]];
527 ref_A = s->ref->refPicList[1].list[curr->ref_idx[1]];
530 if (neigh->pred_flag[0]) {
532 ref_B = neigh_refPicList[0].list[neigh->ref_idx[0]];
535 ref_B = neigh_refPicList[1].list[neigh->ref_idx[1]];
538 if (ref_A == ref_B) {
539 if (abs(A.x - B.x) >= 4 || abs(A.y - B.y) >= 4)
551 void ff_hevc_deblocking_boundary_strengths(HEVCContext *s, int x0, int y0, int log2_trafo_size,
552 int slice_or_tiles_up_boundary, int slice_or_tiles_left_boundary)
554 MvField *tab_mvf = s->ref->tab_mvf;
555 int log2_min_pu_size = s->sps->log2_min_pu_size;
556 int log2_min_tu_size = s->sps->log2_min_tb_size;
557 int min_pu_width = s->sps->min_pu_width;
558 int min_tu_width = s->sps->min_tb_width;
559 int is_intra = tab_mvf[(y0 >> log2_min_pu_size) * min_pu_width + (x0 >> log2_min_pu_size)].is_intra;
564 if (y0 > 0 && (y0 & 7) == 0) {
565 int yp_pu = (y0 - 1) >> log2_min_pu_size;
566 int yq_pu = y0 >> log2_min_pu_size;
567 int yp_tu = (y0 - 1) >> log2_min_tu_size;
568 int yq_tu = y0 >> log2_min_tu_size;
570 for (i = 0; i < (1 << log2_trafo_size); i += 4) {
571 int x_pu = (x0 + i) >> log2_min_pu_size;
572 int x_tu = (x0 + i) >> log2_min_tu_size;
573 MvField *top = &tab_mvf[yp_pu * min_pu_width + x_pu];
574 MvField *curr = &tab_mvf[yq_pu * min_pu_width + x_pu];
575 uint8_t top_cbf_luma = s->cbf_luma[yp_tu * min_tu_width + x_tu];
576 uint8_t curr_cbf_luma = s->cbf_luma[yq_tu * min_tu_width + x_tu];
577 RefPicList* top_refPicList = ff_hevc_get_ref_list(s, s->ref, x0 + i, y0 - 1);
579 bs = boundary_strength(s, curr, curr_cbf_luma, top, top_cbf_luma, top_refPicList, 1);
580 if (!s->sh.slice_loop_filter_across_slices_enabled_flag && (slice_or_tiles_up_boundary & 1) && (y0 % (1 << s->sps->log2_ctb_size)) == 0)
582 else if (!s->pps->loop_filter_across_tiles_enabled_flag && (slice_or_tiles_up_boundary & 2) && (y0 % (1 << s->sps->log2_ctb_size)) == 0)
584 if (y0 == 0 || s->sh.disable_deblocking_filter_flag == 1)
587 s->horizontal_bs[((x0 + i) + y0 * s->bs_width) >> 2] = bs;
591 // bs for TU internal horizontal PU boundaries
592 if (log2_trafo_size > s->sps->log2_min_pu_size && !is_intra)
593 for (j = 8; j < (1 << log2_trafo_size); j += 8) {
594 int yp_pu = (y0 + j - 1) >> log2_min_pu_size;
595 int yq_pu = (y0 + j) >> log2_min_pu_size;
596 int yp_tu = (y0 + j - 1) >> log2_min_tu_size;
597 int yq_tu = (y0 + j) >> log2_min_tu_size;
600 for (i = 0; i < (1<<log2_trafo_size); i += 4) {
601 int x_pu = (x0 + i) >> log2_min_pu_size;
602 int x_tu = (x0 + i) >> log2_min_tu_size;
603 MvField *top = &tab_mvf[yp_pu * min_pu_width + x_pu];
604 MvField *curr = &tab_mvf[yq_pu * min_pu_width + x_pu];
605 uint8_t top_cbf_luma = s->cbf_luma[yp_tu * min_tu_width + x_tu];
606 uint8_t curr_cbf_luma = s->cbf_luma[yq_tu * min_tu_width + x_tu];
607 RefPicList* top_refPicList = ff_hevc_get_ref_list(s, s->ref, x0 + i, y0 + j - 1);
609 bs = boundary_strength(s, curr, curr_cbf_luma, top, top_cbf_luma, top_refPicList, 0);
610 if (s->sh.disable_deblocking_filter_flag == 1)
613 s->horizontal_bs[((x0 + i) + (y0 + j) * s->bs_width) >> 2] = bs;
617 // bs for vertical TU boundaries
618 if (x0 > 0 && (x0 & 7) == 0) {
619 int xp_pu = (x0 - 1) >> log2_min_pu_size;
620 int xq_pu = x0 >> log2_min_pu_size;
621 int xp_tu = (x0 - 1) >> log2_min_tu_size;
622 int xq_tu = x0 >> log2_min_tu_size;
624 for (i = 0; i < (1 << log2_trafo_size); i += 4) {
625 int y_pu = (y0 + i) >> log2_min_pu_size;
626 int y_tu = (y0 + i) >> log2_min_tu_size;
627 MvField *left = &tab_mvf[y_pu * min_pu_width + xp_pu];
628 MvField *curr = &tab_mvf[y_pu * min_pu_width + xq_pu];
630 uint8_t left_cbf_luma = s->cbf_luma[y_tu * min_tu_width + xp_tu];
631 uint8_t curr_cbf_luma = s->cbf_luma[y_tu * min_tu_width + xq_tu];
632 RefPicList* left_refPicList = ff_hevc_get_ref_list(s, s->ref, x0 - 1, y0 + i);
634 bs = boundary_strength(s, curr, curr_cbf_luma, left, left_cbf_luma, left_refPicList, 1);
635 if (!s->sh.slice_loop_filter_across_slices_enabled_flag && (slice_or_tiles_left_boundary & 1) && (x0 % (1 << s->sps->log2_ctb_size)) == 0)
637 else if (!s->pps->loop_filter_across_tiles_enabled_flag && (slice_or_tiles_left_boundary & 2) && (x0 % (1 << s->sps->log2_ctb_size)) == 0)
639 if (x0 == 0 || s->sh.disable_deblocking_filter_flag == 1)
642 s->vertical_bs[(x0 >> 3) + ((y0 + i) >> 2) * s->bs_width] = bs;
646 // bs for TU internal vertical PU boundaries
647 if (log2_trafo_size > log2_min_pu_size && !is_intra)
648 for (j = 0; j < (1 << log2_trafo_size); j += 4) {
649 int y_pu = (y0 + j) >> log2_min_pu_size;
650 int y_tu = (y0 + j) >> log2_min_tu_size;
652 for (i = 8; i < (1 << log2_trafo_size); i += 8) {
653 int xp_pu = (x0 + i - 1) >> log2_min_pu_size;
654 int xq_pu = (x0 + i) >> log2_min_pu_size;
655 int xp_tu = (x0 + i - 1) >> log2_min_tu_size;
656 int xq_tu = (x0 + i) >> log2_min_tu_size;
657 MvField *left = &tab_mvf[y_pu * min_pu_width + xp_pu];
658 MvField *curr = &tab_mvf[y_pu * min_pu_width + xq_pu];
659 uint8_t left_cbf_luma = s->cbf_luma[y_tu * min_tu_width + xp_tu];
660 uint8_t curr_cbf_luma = s->cbf_luma[y_tu * min_tu_width + xq_tu];
661 RefPicList* left_refPicList = ff_hevc_get_ref_list(s, s->ref, x0 + i - 1, y0 + j);
663 bs = boundary_strength(s, curr, curr_cbf_luma, left, left_cbf_luma, left_refPicList, 0);
664 if (s->sh.disable_deblocking_filter_flag == 1)
667 s->vertical_bs[((x0 + i) >> 3) + ((y0 + j) >> 2) * s->bs_width] = bs;
675 void ff_hevc_hls_filter(HEVCContext *s, int x, int y)
677 deblocking_filter_CTB(s, x, y);
678 if (s->sps->sao_enabled)
679 sao_filter_CTB(s, x, y);
682 void ff_hevc_hls_filters(HEVCContext *s, int x_ctb, int y_ctb, int ctb_size)
685 ff_hevc_hls_filter(s, x_ctb - ctb_size, y_ctb - ctb_size);
686 if (y_ctb && x_ctb >= s->sps->width - ctb_size) {
687 ff_hevc_hls_filter(s, x_ctb, y_ctb - ctb_size);
688 if (s->threads_type == FF_THREAD_FRAME )
689 ff_thread_report_progress(&s->ref->tf, y_ctb - ctb_size, 0);
691 if (x_ctb && y_ctb >= s->sps->height - ctb_size)
692 ff_hevc_hls_filter(s, x_ctb - ctb_size, y_ctb);