Update regression tests after r21372
[libav.git] / libavcodec / h264_loopfilter.c
CommitLineData
082cf971
MN
1/*
2 * H.26L/H.264/AVC/JVT/14496-10/... loop filter
3 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22/**
23 * @file libavcodec/h264_loopfilter.c
24 * H.264 / AVC / MPEG4 part10 loop filter.
25 * @author Michael Niedermayer <michaelni@gmx.at>
26 */
27
28#include "internal.h"
29#include "dsputil.h"
30#include "avcodec.h"
31#include "mpegvideo.h"
32#include "h264.h"
33#include "mathops.h"
34#include "rectangle.h"
35
082cf971
MN
36//#undef NDEBUG
37#include <assert.h>
38
39/* Deblocking filter (p153) */
40static const uint8_t alpha_table[52*3] = {
41 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
42 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
43 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
44 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
45 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
46 0, 0, 0, 0, 0, 0, 4, 4, 5, 6,
47 7, 8, 9, 10, 12, 13, 15, 17, 20, 22,
48 25, 28, 32, 36, 40, 45, 50, 56, 63, 71,
49 80, 90,101,113,127,144,162,182,203,226,
50 255,255,
51 255,255,255,255,255,255,255,255,255,255,255,255,255,
52 255,255,255,255,255,255,255,255,255,255,255,255,255,
53 255,255,255,255,255,255,255,255,255,255,255,255,255,
54 255,255,255,255,255,255,255,255,255,255,255,255,255,
55};
56static const uint8_t beta_table[52*3] = {
57 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
58 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
59 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
60 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
61 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
62 0, 0, 0, 0, 0, 0, 2, 2, 2, 3,
63 3, 3, 3, 4, 4, 4, 6, 6, 7, 7,
64 8, 8, 9, 9, 10, 10, 11, 11, 12, 12,
65 13, 13, 14, 14, 15, 15, 16, 16, 17, 17,
66 18, 18,
67 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
68 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
69 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
70 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
71};
72static const uint8_t tc0_table[52*3][4] = {
73 {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
74 {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
75 {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
76 {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
77 {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
78 {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
79 {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
80 {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
81 {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
82 {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
83 {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
84 {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 1 },
85 {-1, 0, 0, 1 }, {-1, 0, 0, 1 }, {-1, 0, 0, 1 }, {-1, 0, 1, 1 }, {-1, 0, 1, 1 }, {-1, 1, 1, 1 },
86 {-1, 1, 1, 1 }, {-1, 1, 1, 1 }, {-1, 1, 1, 1 }, {-1, 1, 1, 2 }, {-1, 1, 1, 2 }, {-1, 1, 1, 2 },
87 {-1, 1, 1, 2 }, {-1, 1, 2, 3 }, {-1, 1, 2, 3 }, {-1, 2, 2, 3 }, {-1, 2, 2, 4 }, {-1, 2, 3, 4 },
88 {-1, 2, 3, 4 }, {-1, 3, 3, 5 }, {-1, 3, 4, 6 }, {-1, 3, 4, 6 }, {-1, 4, 5, 7 }, {-1, 4, 5, 8 },
89 {-1, 4, 6, 9 }, {-1, 5, 7,10 }, {-1, 6, 8,11 }, {-1, 6, 8,13 }, {-1, 7,10,14 }, {-1, 8,11,16 },
90 {-1, 9,12,18 }, {-1,10,13,20 }, {-1,11,15,23 }, {-1,13,17,25 },
91 {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
92 {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
93 {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
94 {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
95 {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
96 {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
97 {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
98 {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
99 {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
100};
101
ed3d7e2f 102static void av_noinline filter_mb_edgev( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {
082cf971
MN
103 const int index_a = qp + h->slice_alpha_c0_offset;
104 const int alpha = (alpha_table+52)[index_a];
105 const int beta = (beta_table+52)[qp + h->slice_beta_offset];
106 if (alpha ==0 || beta == 0) return;
107
108 if( bS[0] < 4 ) {
109 int8_t tc[4];
110 tc[0] = (tc0_table+52)[index_a][bS[0]];
111 tc[1] = (tc0_table+52)[index_a][bS[1]];
112 tc[2] = (tc0_table+52)[index_a][bS[2]];
113 tc[3] = (tc0_table+52)[index_a][bS[3]];
114 h->s.dsp.h264_h_loop_filter_luma(pix, stride, alpha, beta, tc);
115 } else {
116 h->s.dsp.h264_h_loop_filter_luma_intra(pix, stride, alpha, beta);
117 }
118}
ed3d7e2f 119static void av_noinline filter_mb_edgecv( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {
082cf971
MN
120 const int index_a = qp + h->slice_alpha_c0_offset;
121 const int alpha = (alpha_table+52)[index_a];
122 const int beta = (beta_table+52)[qp + h->slice_beta_offset];
123 if (alpha ==0 || beta == 0) return;
124
125 if( bS[0] < 4 ) {
126 int8_t tc[4];
127 tc[0] = (tc0_table+52)[index_a][bS[0]]+1;
128 tc[1] = (tc0_table+52)[index_a][bS[1]]+1;
129 tc[2] = (tc0_table+52)[index_a][bS[2]]+1;
130 tc[3] = (tc0_table+52)[index_a][bS[3]]+1;
131 h->s.dsp.h264_h_loop_filter_chroma(pix, stride, alpha, beta, tc);
132 } else {
133 h->s.dsp.h264_h_loop_filter_chroma_intra(pix, stride, alpha, beta);
134 }
135}
136
bffe82f5 137static void filter_mb_mbaff_edgev( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int bsi, int qp ) {
082cf971 138 int i;
bffe82f5 139 for( i = 0; i < 8; i++, pix += stride) {
082cf971
MN
140 int index_a;
141 int alpha;
142 int beta;
bffe82f5 143 const int bS_index = (i >> 1) * bsi;
082cf971
MN
144
145 if( bS[bS_index] == 0 ) {
146 continue;
147 }
148
bffe82f5 149 index_a = qp + h->slice_alpha_c0_offset;
082cf971 150 alpha = (alpha_table+52)[index_a];
bffe82f5 151 beta = (beta_table+52)[qp + h->slice_beta_offset];
082cf971
MN
152
153 if( bS[bS_index] < 4 ) {
154 const int tc0 = (tc0_table+52)[index_a][bS[bS_index]];
155 const int p0 = pix[-1];
156 const int p1 = pix[-2];
157 const int p2 = pix[-3];
158 const int q0 = pix[0];
159 const int q1 = pix[1];
160 const int q2 = pix[2];
161
162 if( FFABS( p0 - q0 ) < alpha &&
163 FFABS( p1 - p0 ) < beta &&
164 FFABS( q1 - q0 ) < beta ) {
165 int tc = tc0;
166 int i_delta;
167
168 if( FFABS( p2 - p0 ) < beta ) {
169 pix[-2] = p1 + av_clip( ( p2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( p1 << 1 ) ) >> 1, -tc0, tc0 );
170 tc++;
171 }
172 if( FFABS( q2 - q0 ) < beta ) {
173 pix[1] = q1 + av_clip( ( q2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( q1 << 1 ) ) >> 1, -tc0, tc0 );
174 tc++;
175 }
176
177 i_delta = av_clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
178 pix[-1] = av_clip_uint8( p0 + i_delta ); /* p0' */
179 pix[0] = av_clip_uint8( q0 - i_delta ); /* q0' */
180 tprintf(h->s.avctx, "filter_mb_mbaff_edgev i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d, tc:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, tc, bS[bS_index], pix[-3], p1, p0, q0, q1, pix[2], p1, pix[-1], pix[0], q1);
181 }
182 }else{
183 const int p0 = pix[-1];
184 const int p1 = pix[-2];
185 const int p2 = pix[-3];
186
187 const int q0 = pix[0];
188 const int q1 = pix[1];
189 const int q2 = pix[2];
190
191 if( FFABS( p0 - q0 ) < alpha &&
192 FFABS( p1 - p0 ) < beta &&
193 FFABS( q1 - q0 ) < beta ) {
194
195 if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
196 if( FFABS( p2 - p0 ) < beta)
197 {
198 const int p3 = pix[-4];
199 /* p0', p1', p2' */
200 pix[-1] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;
201 pix[-2] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;
202 pix[-3] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3;
203 } else {
204 /* p0' */
205 pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
206 }
207 if( FFABS( q2 - q0 ) < beta)
208 {
209 const int q3 = pix[3];
210 /* q0', q1', q2' */
211 pix[0] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;
212 pix[1] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;
213 pix[2] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3;
214 } else {
215 /* q0' */
216 pix[0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
217 }
218 }else{
219 /* p0', q0' */
220 pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
221 pix[ 0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
222 }
223 tprintf(h->s.avctx, "filter_mb_mbaff_edgev i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, p2, p1, p0, q0, q1, q2, pix[-3], pix[-2], pix[-1], pix[0], pix[1], pix[2]);
224 }
225 }
226 }
227}
bffe82f5 228static void filter_mb_mbaff_edgecv( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int bsi, int qp ) {
082cf971 229 int i;
bffe82f5 230 for( i = 0; i < 4; i++, pix += stride) {
082cf971
MN
231 int index_a;
232 int alpha;
233 int beta;
bffe82f5 234 const int bS_index = i*bsi;
082cf971
MN
235
236 if( bS[bS_index] == 0 ) {
237 continue;
238 }
239
bffe82f5 240 index_a = qp + h->slice_alpha_c0_offset;
082cf971 241 alpha = (alpha_table+52)[index_a];
bffe82f5 242 beta = (beta_table+52)[qp + h->slice_beta_offset];
082cf971
MN
243
244 if( bS[bS_index] < 4 ) {
245 const int tc = (tc0_table+52)[index_a][bS[bS_index]] + 1;
246 const int p0 = pix[-1];
247 const int p1 = pix[-2];
248 const int q0 = pix[0];
249 const int q1 = pix[1];
250
251 if( FFABS( p0 - q0 ) < alpha &&
252 FFABS( p1 - p0 ) < beta &&
253 FFABS( q1 - q0 ) < beta ) {
254 const int i_delta = av_clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
255
256 pix[-1] = av_clip_uint8( p0 + i_delta ); /* p0' */
257 pix[0] = av_clip_uint8( q0 - i_delta ); /* q0' */
258 tprintf(h->s.avctx, "filter_mb_mbaff_edgecv i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d, tc:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, tc, bS[bS_index], pix[-3], p1, p0, q0, q1, pix[2], p1, pix[-1], pix[0], q1);
259 }
260 }else{
261 const int p0 = pix[-1];
262 const int p1 = pix[-2];
263 const int q0 = pix[0];
264 const int q1 = pix[1];
265
266 if( FFABS( p0 - q0 ) < alpha &&
267 FFABS( p1 - p0 ) < beta &&
268 FFABS( q1 - q0 ) < beta ) {
269
270 pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2; /* p0' */
271 pix[0] = ( 2*q1 + q0 + p1 + 2 ) >> 2; /* q0' */
272 tprintf(h->s.avctx, "filter_mb_mbaff_edgecv i:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x, %02x, %02x]\n", i, pix[-3], p1, p0, q0, q1, pix[2], pix[-3], pix[-2], pix[-1], pix[0], pix[1], pix[2]);
273 }
274 }
275 }
276}
277
ed3d7e2f 278static void av_noinline filter_mb_edgeh( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {
082cf971
MN
279 const int index_a = qp + h->slice_alpha_c0_offset;
280 const int alpha = (alpha_table+52)[index_a];
281 const int beta = (beta_table+52)[qp + h->slice_beta_offset];
282 if (alpha ==0 || beta == 0) return;
283
284 if( bS[0] < 4 ) {
285 int8_t tc[4];
286 tc[0] = (tc0_table+52)[index_a][bS[0]];
287 tc[1] = (tc0_table+52)[index_a][bS[1]];
288 tc[2] = (tc0_table+52)[index_a][bS[2]];
289 tc[3] = (tc0_table+52)[index_a][bS[3]];
290 h->s.dsp.h264_v_loop_filter_luma(pix, stride, alpha, beta, tc);
291 } else {
292 h->s.dsp.h264_v_loop_filter_luma_intra(pix, stride, alpha, beta);
293 }
294}
295
ed3d7e2f 296static void av_noinline filter_mb_edgech( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {
082cf971
MN
297 const int index_a = qp + h->slice_alpha_c0_offset;
298 const int alpha = (alpha_table+52)[index_a];
299 const int beta = (beta_table+52)[qp + h->slice_beta_offset];
300 if (alpha ==0 || beta == 0) return;
301
302 if( bS[0] < 4 ) {
303 int8_t tc[4];
304 tc[0] = (tc0_table+52)[index_a][bS[0]]+1;
305 tc[1] = (tc0_table+52)[index_a][bS[1]]+1;
306 tc[2] = (tc0_table+52)[index_a][bS[2]]+1;
307 tc[3] = (tc0_table+52)[index_a][bS[3]]+1;
308 h->s.dsp.h264_v_loop_filter_chroma(pix, stride, alpha, beta, tc);
309 } else {
310 h->s.dsp.h264_v_loop_filter_chroma_intra(pix, stride, alpha, beta);
311 }
312}
313
314void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize) {
315 MpegEncContext * const s = &h->s;
316 int mb_y_firstrow = s->picture_structure == PICT_BOTTOM_FIELD;
317 int mb_xy, mb_type;
318 int qp, qp0, qp1, qpc, qpc0, qpc1, qp_thresh;
319
320 mb_xy = h->mb_xy;
321
322 if(mb_x==0 || mb_y==mb_y_firstrow || !s->dsp.h264_loop_filter_strength || h->pps.chroma_qp_diff ||
0fe674cb
MN
323 (h->deblocking_filter == 2 && (h->slice_num != h->slice_table[h->top_mb_xy] ||
324 h->slice_num != h->slice_table[mb_xy - 1]))) {
082cf971
MN
325 ff_h264_filter_mb(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize);
326 return;
327 }
328 assert(!FRAME_MBAFF);
329
330 mb_type = s->current_picture.mb_type[mb_xy];
331 qp = s->current_picture.qscale_table[mb_xy];
332 qp0 = s->current_picture.qscale_table[mb_xy-1];
333 qp1 = s->current_picture.qscale_table[h->top_mb_xy];
334 qpc = get_chroma_qp( h, 0, qp );
335 qpc0 = get_chroma_qp( h, 0, qp0 );
336 qpc1 = get_chroma_qp( h, 0, qp1 );
337 qp0 = (qp + qp0 + 1) >> 1;
338 qp1 = (qp + qp1 + 1) >> 1;
339 qpc0 = (qpc + qpc0 + 1) >> 1;
340 qpc1 = (qpc + qpc1 + 1) >> 1;
341 qp_thresh = 15 - h->slice_alpha_c0_offset;
342 if(qp <= qp_thresh && qp0 <= qp_thresh && qp1 <= qp_thresh &&
343 qpc <= qp_thresh && qpc0 <= qp_thresh && qpc1 <= qp_thresh)
344 return;
345
346 if( IS_INTRA(mb_type) ) {
347 int16_t bS4[4] = {4,4,4,4};
348 int16_t bS3[4] = {3,3,3,3};
349 int16_t *bSH = FIELD_PICTURE ? bS3 : bS4;
350 if( IS_8x8DCT(mb_type) ) {
351 filter_mb_edgev( h, &img_y[4*0], linesize, bS4, qp0 );
352 filter_mb_edgev( h, &img_y[4*2], linesize, bS3, qp );
353 filter_mb_edgeh( h, &img_y[4*0*linesize], linesize, bSH, qp1 );
354 filter_mb_edgeh( h, &img_y[4*2*linesize], linesize, bS3, qp );
355 } else {
356 filter_mb_edgev( h, &img_y[4*0], linesize, bS4, qp0 );
357 filter_mb_edgev( h, &img_y[4*1], linesize, bS3, qp );
358 filter_mb_edgev( h, &img_y[4*2], linesize, bS3, qp );
359 filter_mb_edgev( h, &img_y[4*3], linesize, bS3, qp );
360 filter_mb_edgeh( h, &img_y[4*0*linesize], linesize, bSH, qp1 );
361 filter_mb_edgeh( h, &img_y[4*1*linesize], linesize, bS3, qp );
362 filter_mb_edgeh( h, &img_y[4*2*linesize], linesize, bS3, qp );
363 filter_mb_edgeh( h, &img_y[4*3*linesize], linesize, bS3, qp );
364 }
365 filter_mb_edgecv( h, &img_cb[2*0], uvlinesize, bS4, qpc0 );
366 filter_mb_edgecv( h, &img_cb[2*2], uvlinesize, bS3, qpc );
367 filter_mb_edgecv( h, &img_cr[2*0], uvlinesize, bS4, qpc0 );
368 filter_mb_edgecv( h, &img_cr[2*2], uvlinesize, bS3, qpc );
369 filter_mb_edgech( h, &img_cb[2*0*uvlinesize], uvlinesize, bSH, qpc1 );
370 filter_mb_edgech( h, &img_cb[2*2*uvlinesize], uvlinesize, bS3, qpc );
371 filter_mb_edgech( h, &img_cr[2*0*uvlinesize], uvlinesize, bSH, qpc1 );
372 filter_mb_edgech( h, &img_cr[2*2*uvlinesize], uvlinesize, bS3, qpc );
373 return;
374 } else {
375 DECLARE_ALIGNED_8(int16_t, bS[2][4][4]);
376 uint64_t (*bSv)[4] = (uint64_t(*)[4])bS;
377 int edges;
378 if( IS_8x8DCT(mb_type) && (h->cbp&7) == 7 ) {
379 edges = 4;
380 bSv[0][0] = bSv[0][2] = bSv[1][0] = bSv[1][2] = 0x0002000200020002ULL;
381 } else {
382 int mask_edge1 = (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16)) ? 3 :
383 (mb_type & MB_TYPE_16x8) ? 1 : 0;
384 int mask_edge0 = (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16))
385 && (s->current_picture.mb_type[mb_xy-1] & (MB_TYPE_16x16 | MB_TYPE_8x16))
386 ? 3 : 0;
387 int step = IS_8x8DCT(mb_type) ? 2 : 1;
388 edges = (mb_type & MB_TYPE_16x16) && !(h->cbp & 15) ? 1 : 4;
389 s->dsp.h264_loop_filter_strength( bS, h->non_zero_count_cache, h->ref_cache, h->mv_cache,
390 (h->slice_type_nos == FF_B_TYPE), edges, step, mask_edge0, mask_edge1, FIELD_PICTURE);
391 }
392 if( IS_INTRA(s->current_picture.mb_type[mb_xy-1]) )
393 bSv[0][0] = 0x0004000400040004ULL;
394 if( IS_INTRA(s->current_picture.mb_type[h->top_mb_xy]) )
395 bSv[1][0] = FIELD_PICTURE ? 0x0003000300030003ULL : 0x0004000400040004ULL;
396
397#define FILTER(hv,dir,edge)\
398 if(bSv[dir][edge]) {\
399 filter_mb_edge##hv( h, &img_y[4*edge*(dir?linesize:1)], linesize, bS[dir][edge], edge ? qp : qp##dir );\
400 if(!(edge&1)) {\
401 filter_mb_edgec##hv( h, &img_cb[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir );\
402 filter_mb_edgec##hv( h, &img_cr[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir );\
403 }\
404 }
405 if( edges == 1 ) {
406 FILTER(v,0,0);
407 FILTER(h,1,0);
408 } else if( IS_8x8DCT(mb_type) ) {
409 FILTER(v,0,0);
410 FILTER(v,0,2);
411 FILTER(h,1,0);
412 FILTER(h,1,2);
413 } else {
414 FILTER(v,0,0);
415 FILTER(v,0,1);
416 FILTER(v,0,2);
417 FILTER(v,0,3);
418 FILTER(h,1,0);
419 FILTER(h,1,1);
420 FILTER(h,1,2);
421 FILTER(h,1,3);
422 }
423#undef FILTER
424 }
425}
426
427
428static av_always_inline void filter_mb_dir(H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize, int mb_xy, int mb_type, int mvy_limit, int first_vertical_edge_done, int dir) {
429 MpegEncContext * const s = &h->s;
430 int edge;
431 const int mbm_xy = dir == 0 ? mb_xy -1 : h->top_mb_xy;
432 const int mbm_type = s->current_picture.mb_type[mbm_xy];
082cf971
MN
433
434 const int edges = (mb_type & (MB_TYPE_16x16|MB_TYPE_SKIP))
435 == (MB_TYPE_16x16|MB_TYPE_SKIP) ? 1 : 4;
436 // how often to recheck mv-based bS when iterating between edges
31f6e3c1
MN
437 static const uint8_t mask_edge_tab[2][8]={{0,3,3,3,1,1,1,1},
438 {0,3,1,1,3,3,3,3}};
439 const int mask_edge = mask_edge_tab[dir][(mb_type>>3)&7];
082cf971
MN
440 // how often to recheck mv-based bS when iterating along each edge
441 const int mask_par0 = mb_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir));
9528ce7b
MN
442 int start = h->slice_table[mbm_xy] == 0xFFFF
443 || first_vertical_edge_done
444 || (h->deblocking_filter==2 && h->slice_table[mbm_xy] != h->slice_num);
082cf971 445
082cf971
MN
446
447 if (FRAME_MBAFF && (dir == 1) && ((mb_y&1) == 0) && start == 0
87df989e 448 && IS_INTERLACED(mbm_type&~mb_type)
082cf971
MN
449 ) {
450 // This is a special case in the norm where the filtering must
451 // be done twice (one each of the field) even if we are in a
452 // frame macroblock.
453 //
082cf971
MN
454 unsigned int tmp_linesize = 2 * linesize;
455 unsigned int tmp_uvlinesize = 2 * uvlinesize;
456 int mbn_xy = mb_xy - 2 * s->mb_stride;
97775235 457 int j;
082cf971
MN
458
459 for(j=0; j<2; j++, mbn_xy += s->mb_stride){
bec358d6 460 DECLARE_ALIGNED_8(int16_t, bS[4]);
97775235 461 int qp;
87df989e 462 if( IS_INTRA(mb_type|s->current_picture.mb_type[mbn_xy]) ) {
948180e7 463 *(uint64_t*)bS= 0x0003000300030003ULL;
082cf971 464 } else {
97775235
MN
465 const uint8_t *mbn_nnz = h->non_zero_count[mbn_xy] + 4+3*8;
466 int i;
082cf971 467 for( i = 0; i < 4; i++ ) {
97775235 468 bS[i] = 1 + !!(h->non_zero_count_cache[scan8[0]+i] | mbn_nnz[i]);
082cf971
MN
469 }
470 }
471 // Do not use s->qscale as luma quantizer because it has not the same
472 // value in IPCM macroblocks.
473 qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;
474 tprintf(s->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, tmp_linesize, tmp_uvlinesize);
475 { int i; for (i = 0; i < 4; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
476 filter_mb_edgeh( h, &img_y[j*linesize], tmp_linesize, bS, qp );
477 filter_mb_edgech( h, &img_cb[j*uvlinesize], tmp_uvlinesize, bS,
478 ( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1);
479 filter_mb_edgech( h, &img_cr[j*uvlinesize], tmp_uvlinesize, bS,
480 ( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1);
481 }
482
483 start = 1;
484 }
485
486 /* Calculate bS */
487 for( edge = start; edge < edges; edge++ ) {
488 /* mbn_xy: neighbor macroblock */
489 const int mbn_xy = edge > 0 ? mb_xy : mbm_xy;
490 const int mbn_type = s->current_picture.mb_type[mbn_xy];
bec358d6 491 DECLARE_ALIGNED_8(int16_t, bS[4]);
082cf971
MN
492 int qp;
493
494 if( (edge&1) && IS_8x8DCT(mb_type) )
495 continue;
496
55c54371
MN
497 if( IS_INTRA(mb_type|mbn_type)) {
498 *(uint64_t*)bS= 0x0003000300030003ULL;
082cf971 499 if (edge == 0) {
55c54371 500 if ( (!IS_INTERLACED(mb_type|mbm_type))
082cf971 501 || ((FRAME_MBAFF || (s->picture_structure != PICT_FRAME)) && (dir == 0))
55c54371
MN
502 )
503 *(uint64_t*)bS= 0x0004000400040004ULL;
082cf971 504 }
082cf971
MN
505 } else {
506 int i, l;
507 int mv_done;
508
509 if( edge & mask_edge ) {
948180e7 510 *(uint64_t*)bS= 0;
082cf971
MN
511 mv_done = 1;
512 }
513 else if( FRAME_MBAFF && IS_INTERLACED(mb_type ^ mbn_type)) {
948180e7 514 *(uint64_t*)bS= 0x0001000100010001ULL;
082cf971
MN
515 mv_done = 1;
516 }
517 else if( mask_par0 && (edge || (mbn_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir)))) ) {
518 int b_idx= 8 + 4 + edge * (dir ? 8:1);
519 int bn_idx= b_idx - (dir ? 8:1);
520 int v = 0;
521
522 for( l = 0; !v && l < 1 + (h->slice_type_nos == FF_B_TYPE); l++ ) {
6d7e6b26 523 v |= h->ref_cache[l][b_idx] != h->ref_cache[l][bn_idx] |
3f55a651 524 h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] + 3 >= 7U |
082cf971
MN
525 FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= mvy_limit;
526 }
527
528 if(h->slice_type_nos == FF_B_TYPE && v){
529 v=0;
530 for( l = 0; !v && l < 2; l++ ) {
531 int ln= 1-l;
6d7e6b26 532 v |= h->ref_cache[l][b_idx] != h->ref_cache[ln][bn_idx] |
3f55a651 533 h->mv_cache[l][b_idx][0] - h->mv_cache[ln][bn_idx][0] + 3 >= 7U |
082cf971
MN
534 FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[ln][bn_idx][1] ) >= mvy_limit;
535 }
536 }
537
538 bS[0] = bS[1] = bS[2] = bS[3] = v;
539 mv_done = 1;
540 }
541 else
542 mv_done = 0;
543
544 for( i = 0; i < 4; i++ ) {
545 int x = dir == 0 ? edge : i;
546 int y = dir == 0 ? i : edge;
547 int b_idx= 8 + 4 + x + 8*y;
548 int bn_idx= b_idx - (dir ? 8:1);
549
550 if( h->non_zero_count_cache[b_idx] |
551 h->non_zero_count_cache[bn_idx] ) {
552 bS[i] = 2;
553 }
554 else if(!mv_done)
555 {
556 bS[i] = 0;
557 for( l = 0; l < 1 + (h->slice_type_nos == FF_B_TYPE); l++ ) {
6d7e6b26 558 if( h->ref_cache[l][b_idx] != h->ref_cache[l][bn_idx] |
183a86c9 559 h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] + 3 >= 7U |
082cf971
MN
560 FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= mvy_limit ) {
561 bS[i] = 1;
562 break;
563 }
564 }
565
566 if(h->slice_type_nos == FF_B_TYPE && bS[i]){
567 bS[i] = 0;
568 for( l = 0; l < 2; l++ ) {
569 int ln= 1-l;
6d7e6b26 570 if( h->ref_cache[l][b_idx] != h->ref_cache[ln][bn_idx] |
183a86c9 571 h->mv_cache[l][b_idx][0] - h->mv_cache[ln][bn_idx][0] + 3 >= 7U |
082cf971
MN
572 FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[ln][bn_idx][1] ) >= mvy_limit ) {
573 bS[i] = 1;
574 break;
575 }
576 }
577 }
578 }
579 }
580
581 if(bS[0]+bS[1]+bS[2]+bS[3] == 0)
582 continue;
583 }
584
585 /* Filter edge */
586 // Do not use s->qscale as luma quantizer because it has not the same
587 // value in IPCM macroblocks.
588 qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;
c988f975 589 //tprintf(s->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d, QPc:%d, QPcn:%d\n", mb_x, mb_y, dir, edge, qp, h->chroma_qp[0], s->current_picture.qscale_table[mbn_xy]);
082cf971 590 tprintf(s->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, linesize, uvlinesize);
7931bb2a 591 //{ int i; for (i = 0; i < 4; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
082cf971
MN
592 if( dir == 0 ) {
593 filter_mb_edgev( h, &img_y[4*edge], linesize, bS, qp );
594 if( (edge&1) == 0 ) {
085d9d98
MN
595 int qp= ( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
596 filter_mb_edgecv( h, &img_cb[2*edge], uvlinesize, bS, qp);
597 if(h->pps.chroma_qp_diff)
598 qp= ( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
599 filter_mb_edgecv( h, &img_cr[2*edge], uvlinesize, bS, qp);
082cf971
MN
600 }
601 } else {
602 filter_mb_edgeh( h, &img_y[4*edge*linesize], linesize, bS, qp );
603 if( (edge&1) == 0 ) {
085d9d98
MN
604 int qp= ( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
605 filter_mb_edgech( h, &img_cb[2*edge*uvlinesize], uvlinesize, bS, qp);
606 if(h->pps.chroma_qp_diff)
607 qp= ( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
608 filter_mb_edgech( h, &img_cr[2*edge*uvlinesize], uvlinesize, bS, qp);
082cf971
MN
609 }
610 }
611 }
612}
613
614void ff_h264_filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize) {
615 MpegEncContext * const s = &h->s;
616 const int mb_xy= mb_x + mb_y*s->mb_stride;
617 const int mb_type = s->current_picture.mb_type[mb_xy];
618 const int mvy_limit = IS_INTERLACED(mb_type) ? 2 : 4;
619 int first_vertical_edge_done = 0;
620 av_unused int dir;
c988f975 621 int list;
082cf971 622
082cf971
MN
623 if (FRAME_MBAFF
624 // left mb is in picture
625 && h->slice_table[mb_xy-1] != 0xFFFF
626 // and current and left pair do not have the same interlaced type
87df989e 627 && IS_INTERLACED(mb_type^s->current_picture.mb_type[mb_xy-1])
082cf971 628 // and left mb is in the same slice if deblocking_filter == 2
0fe674cb 629 && (h->deblocking_filter!=2 || h->slice_table[mb_xy-1] == h->slice_num)) {
082cf971
MN
630 /* First vertical edge is different in MBAFF frames
631 * There are 8 different bS to compute and 2 different Qp
632 */
633 const int pair_xy = mb_x + (mb_y&~1)*s->mb_stride;
634 const int left_mb_xy[2] = { pair_xy-1, pair_xy-1+s->mb_stride };
bec358d6 635 DECLARE_ALIGNED_8(int16_t, bS[8]);
082cf971
MN
636 int qp[2];
637 int bqp[2];
638 int rqp[2];
639 int mb_qp, mbn0_qp, mbn1_qp;
640 int i;
641 first_vertical_edge_done = 1;
642
643 if( IS_INTRA(mb_type) )
948180e7
MN
644 *(uint64_t*)&bS[0]=
645 *(uint64_t*)&bS[4]= 0x0004000400040004ULL;
082cf971
MN
646 else {
647 for( i = 0; i < 8; i++ ) {
648 int mbn_xy = MB_FIELD ? left_mb_xy[i>>2] : left_mb_xy[i&1];
649
650 if( IS_INTRA( s->current_picture.mb_type[mbn_xy] ) )
651 bS[i] = 4;
652 else if( h->non_zero_count_cache[12+8*(i>>1)] != 0 ||
653 ((!h->pps.cabac && IS_8x8DCT(s->current_picture.mb_type[mbn_xy])) ?
654 (h->cbp_table[mbn_xy] & ((MB_FIELD ? (i&2) : (mb_y&1)) ? 8 : 2))
655 :
b6303e6d 656 h->non_zero_count[mbn_xy][7+(MB_FIELD ? (i&3) : (i>>2)+(mb_y&1)*2)*8]))
082cf971
MN
657 bS[i] = 2;
658 else
659 bS[i] = 1;
660 }
661 }
662
663 mb_qp = s->current_picture.qscale_table[mb_xy];
664 mbn0_qp = s->current_picture.qscale_table[left_mb_xy[0]];
665 mbn1_qp = s->current_picture.qscale_table[left_mb_xy[1]];
666 qp[0] = ( mb_qp + mbn0_qp + 1 ) >> 1;
667 bqp[0] = ( get_chroma_qp( h, 0, mb_qp ) +
668 get_chroma_qp( h, 0, mbn0_qp ) + 1 ) >> 1;
669 rqp[0] = ( get_chroma_qp( h, 1, mb_qp ) +
670 get_chroma_qp( h, 1, mbn0_qp ) + 1 ) >> 1;
671 qp[1] = ( mb_qp + mbn1_qp + 1 ) >> 1;
672 bqp[1] = ( get_chroma_qp( h, 0, mb_qp ) +
673 get_chroma_qp( h, 0, mbn1_qp ) + 1 ) >> 1;
674 rqp[1] = ( get_chroma_qp( h, 1, mb_qp ) +
675 get_chroma_qp( h, 1, mbn1_qp ) + 1 ) >> 1;
676
677 /* Filter edge */
678 tprintf(s->avctx, "filter mb:%d/%d MBAFF, QPy:%d/%d, QPb:%d/%d QPr:%d/%d ls:%d uvls:%d", mb_x, mb_y, qp[0], qp[1], bqp[0], bqp[1], rqp[0], rqp[1], linesize, uvlinesize);
679 { int i; for (i = 0; i < 8; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
bffe82f5
MN
680 if(MB_FIELD){
681 filter_mb_mbaff_edgev ( h, img_y , linesize, bS , 1, qp [0] );
682 filter_mb_mbaff_edgev ( h, img_y + 8* linesize, linesize, bS+4, 1, qp [1] );
683 filter_mb_mbaff_edgecv( h, img_cb, uvlinesize, bS , 1, bqp[0] );
684 filter_mb_mbaff_edgecv( h, img_cb + 4*uvlinesize, uvlinesize, bS+4, 1, bqp[1] );
685 filter_mb_mbaff_edgecv( h, img_cr, uvlinesize, bS , 1, rqp[0] );
686 filter_mb_mbaff_edgecv( h, img_cr + 4*uvlinesize, uvlinesize, bS+4, 1, rqp[1] );
687 }else{
688 filter_mb_mbaff_edgev ( h, img_y , 2* linesize, bS , 2, qp [0] );
689 filter_mb_mbaff_edgev ( h, img_y + linesize, 2* linesize, bS+1, 2, qp [1] );
690 filter_mb_mbaff_edgecv( h, img_cb, 2*uvlinesize, bS , 2, bqp[0] );
691 filter_mb_mbaff_edgecv( h, img_cb + uvlinesize, 2*uvlinesize, bS+1, 2, bqp[1] );
692 filter_mb_mbaff_edgecv( h, img_cr, 2*uvlinesize, bS , 2, rqp[0] );
693 filter_mb_mbaff_edgecv( h, img_cr + uvlinesize, 2*uvlinesize, bS+1, 2, rqp[1] );
694 }
082cf971
MN
695 }
696
697#if CONFIG_SMALL
698 for( dir = 0; dir < 2; dir++ )
699 filter_mb_dir(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, mb_xy, mb_type, mvy_limit, dir ? 0 : first_vertical_edge_done, dir);
700#else
701 filter_mb_dir(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, mb_xy, mb_type, mvy_limit, first_vertical_edge_done, 0);
702 filter_mb_dir(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, mb_xy, mb_type, mvy_limit, 0, 1);
703#endif
704}