Declare variable "version" in the PRINT_LIB_VERSION() macro if block,
[libav.git] / libavcodec / h264_loopfilter.c
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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
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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
258b60c2 102static void av_noinline filter_mb_edgev( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h) {
0c32e19d 103 const unsigned int index_a = qp + h->slice_alpha_c0_offset;
258b60c2 104 const int alpha = alpha_table[index_a];
0c32e19d 105 const int beta = beta_table[qp + h->slice_beta_offset];
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106 if (alpha ==0 || beta == 0) return;
107
108 if( bS[0] < 4 ) {
109 int8_t tc[4];
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110 tc[0] = tc0_table[index_a][bS[0]];
111 tc[1] = tc0_table[index_a][bS[1]];
112 tc[2] = tc0_table[index_a][bS[2]];
113 tc[3] = tc0_table[index_a][bS[3]];
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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}
258b60c2 119static void av_noinline filter_mb_edgecv( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h ) {
0c32e19d 120 const unsigned int index_a = qp + h->slice_alpha_c0_offset;
258b60c2 121 const int alpha = alpha_table[index_a];
0c32e19d 122 const int beta = beta_table[qp + h->slice_beta_offset];
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123 if (alpha ==0 || beta == 0) return;
124
125 if( bS[0] < 4 ) {
126 int8_t tc[4];
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127 tc[0] = tc0_table[index_a][bS[0]]+1;
128 tc[1] = tc0_table[index_a][bS[1]]+1;
129 tc[2] = tc0_table[index_a][bS[2]]+1;
130 tc[3] = tc0_table[index_a][bS[3]]+1;
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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;
6b3661b2 139 int index_a = qp + h->slice_alpha_c0_offset;
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140 int alpha = alpha_table[index_a];
141 int beta = beta_table[qp + h->slice_beta_offset];
bffe82f5 142 for( i = 0; i < 8; i++, pix += stride) {
bffe82f5 143 const int bS_index = (i >> 1) * bsi;
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144
145 if( bS[bS_index] == 0 ) {
146 continue;
147 }
148
082cf971 149 if( bS[bS_index] < 4 ) {
0c32e19d 150 const int tc0 = tc0_table[index_a][bS[bS_index]];
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151 const int p0 = pix[-1];
152 const int p1 = pix[-2];
153 const int p2 = pix[-3];
154 const int q0 = pix[0];
155 const int q1 = pix[1];
156 const int q2 = pix[2];
157
158 if( FFABS( p0 - q0 ) < alpha &&
159 FFABS( p1 - p0 ) < beta &&
160 FFABS( q1 - q0 ) < beta ) {
161 int tc = tc0;
162 int i_delta;
163
164 if( FFABS( p2 - p0 ) < beta ) {
6b3661b2 165 if(tc0)
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166 pix[-2] = p1 + av_clip( ( p2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( p1 << 1 ) ) >> 1, -tc0, tc0 );
167 tc++;
168 }
169 if( FFABS( q2 - q0 ) < beta ) {
6b3661b2 170 if(tc0)
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171 pix[1] = q1 + av_clip( ( q2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( q1 << 1 ) ) >> 1, -tc0, tc0 );
172 tc++;
173 }
174
175 i_delta = av_clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
176 pix[-1] = av_clip_uint8( p0 + i_delta ); /* p0' */
177 pix[0] = av_clip_uint8( q0 - i_delta ); /* q0' */
178 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);
179 }
180 }else{
181 const int p0 = pix[-1];
182 const int p1 = pix[-2];
183 const int p2 = pix[-3];
184
185 const int q0 = pix[0];
186 const int q1 = pix[1];
187 const int q2 = pix[2];
188
189 if( FFABS( p0 - q0 ) < alpha &&
190 FFABS( p1 - p0 ) < beta &&
191 FFABS( q1 - q0 ) < beta ) {
192
193 if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
194 if( FFABS( p2 - p0 ) < beta)
195 {
196 const int p3 = pix[-4];
197 /* p0', p1', p2' */
198 pix[-1] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;
199 pix[-2] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;
200 pix[-3] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3;
201 } else {
202 /* p0' */
203 pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
204 }
205 if( FFABS( q2 - q0 ) < beta)
206 {
207 const int q3 = pix[3];
208 /* q0', q1', q2' */
209 pix[0] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;
210 pix[1] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;
211 pix[2] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3;
212 } else {
213 /* q0' */
214 pix[0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
215 }
216 }else{
217 /* p0', q0' */
218 pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
219 pix[ 0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
220 }
221 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]);
222 }
223 }
224 }
225}
bffe82f5 226static void filter_mb_mbaff_edgecv( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int bsi, int qp ) {
082cf971 227 int i;
6b3661b2 228 int index_a = qp + h->slice_alpha_c0_offset;
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229 int alpha = alpha_table[index_a];
230 int beta = beta_table[qp + h->slice_beta_offset];
bffe82f5 231 for( i = 0; i < 4; i++, pix += stride) {
bffe82f5 232 const int bS_index = i*bsi;
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233
234 if( bS[bS_index] == 0 ) {
235 continue;
236 }
237
082cf971 238 if( bS[bS_index] < 4 ) {
0c32e19d 239 const int tc = tc0_table[index_a][bS[bS_index]] + 1;
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240 const int p0 = pix[-1];
241 const int p1 = pix[-2];
242 const int q0 = pix[0];
243 const int q1 = pix[1];
244
245 if( FFABS( p0 - q0 ) < alpha &&
246 FFABS( p1 - p0 ) < beta &&
247 FFABS( q1 - q0 ) < beta ) {
248 const int i_delta = av_clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
249
250 pix[-1] = av_clip_uint8( p0 + i_delta ); /* p0' */
251 pix[0] = av_clip_uint8( q0 - i_delta ); /* q0' */
252 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);
253 }
254 }else{
255 const int p0 = pix[-1];
256 const int p1 = pix[-2];
257 const int q0 = pix[0];
258 const int q1 = pix[1];
259
260 if( FFABS( p0 - q0 ) < alpha &&
261 FFABS( p1 - p0 ) < beta &&
262 FFABS( q1 - q0 ) < beta ) {
263
264 pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2; /* p0' */
265 pix[0] = ( 2*q1 + q0 + p1 + 2 ) >> 2; /* q0' */
266 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]);
267 }
268 }
269 }
270}
271
258b60c2 272static void av_noinline filter_mb_edgeh( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h ) {
0c32e19d 273 const unsigned int index_a = qp + h->slice_alpha_c0_offset;
258b60c2 274 const int alpha = alpha_table[index_a];
0c32e19d 275 const int beta = beta_table[qp + h->slice_beta_offset];
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276 if (alpha ==0 || beta == 0) return;
277
278 if( bS[0] < 4 ) {
279 int8_t tc[4];
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280 tc[0] = tc0_table[index_a][bS[0]];
281 tc[1] = tc0_table[index_a][bS[1]];
282 tc[2] = tc0_table[index_a][bS[2]];
283 tc[3] = tc0_table[index_a][bS[3]];
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284 h->s.dsp.h264_v_loop_filter_luma(pix, stride, alpha, beta, tc);
285 } else {
286 h->s.dsp.h264_v_loop_filter_luma_intra(pix, stride, alpha, beta);
287 }
288}
289
258b60c2 290static void av_noinline filter_mb_edgech( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h ) {
0c32e19d 291 const unsigned int index_a = qp + h->slice_alpha_c0_offset;
258b60c2 292 const int alpha = alpha_table[index_a];
0c32e19d 293 const int beta = beta_table[qp + h->slice_beta_offset];
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294 if (alpha ==0 || beta == 0) return;
295
296 if( bS[0] < 4 ) {
297 int8_t tc[4];
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298 tc[0] = tc0_table[index_a][bS[0]]+1;
299 tc[1] = tc0_table[index_a][bS[1]]+1;
300 tc[2] = tc0_table[index_a][bS[2]]+1;
301 tc[3] = tc0_table[index_a][bS[3]]+1;
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302 h->s.dsp.h264_v_loop_filter_chroma(pix, stride, alpha, beta, tc);
303 } else {
304 h->s.dsp.h264_v_loop_filter_chroma_intra(pix, stride, alpha, beta);
305 }
306}
307
308void 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) {
309 MpegEncContext * const s = &h->s;
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310 int mb_xy;
311 int mb_type;
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312 int qp, qp0, qp1, qpc, qpc0, qpc1, qp_thresh;
313
314 mb_xy = h->mb_xy;
315
d5c30c86 316 if(!h->top_type || !h->left_type[0] || !s->dsp.h264_loop_filter_strength || h->pps.chroma_qp_diff) {
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317 ff_h264_filter_mb(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize);
318 return;
319 }
320 assert(!FRAME_MBAFF);
321
322 mb_type = s->current_picture.mb_type[mb_xy];
323 qp = s->current_picture.qscale_table[mb_xy];
324 qp0 = s->current_picture.qscale_table[mb_xy-1];
325 qp1 = s->current_picture.qscale_table[h->top_mb_xy];
326 qpc = get_chroma_qp( h, 0, qp );
327 qpc0 = get_chroma_qp( h, 0, qp0 );
328 qpc1 = get_chroma_qp( h, 0, qp1 );
329 qp0 = (qp + qp0 + 1) >> 1;
330 qp1 = (qp + qp1 + 1) >> 1;
331 qpc0 = (qpc + qpc0 + 1) >> 1;
332 qpc1 = (qpc + qpc1 + 1) >> 1;
0c32e19d 333 qp_thresh = 15+52 - h->slice_alpha_c0_offset;
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334 if(qp <= qp_thresh && qp0 <= qp_thresh && qp1 <= qp_thresh &&
335 qpc <= qp_thresh && qpc0 <= qp_thresh && qpc1 <= qp_thresh)
336 return;
337
338 if( IS_INTRA(mb_type) ) {
339 int16_t bS4[4] = {4,4,4,4};
340 int16_t bS3[4] = {3,3,3,3};
341 int16_t *bSH = FIELD_PICTURE ? bS3 : bS4;
342 if( IS_8x8DCT(mb_type) ) {
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343 filter_mb_edgev( &img_y[4*0], linesize, bS4, qp0, h);
344 filter_mb_edgev( &img_y[4*2], linesize, bS3, qp, h);
345 filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, h);
346 filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, h);
082cf971 347 } else {
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348 filter_mb_edgev( &img_y[4*0], linesize, bS4, qp0, h);
349 filter_mb_edgev( &img_y[4*1], linesize, bS3, qp, h);
350 filter_mb_edgev( &img_y[4*2], linesize, bS3, qp, h);
351 filter_mb_edgev( &img_y[4*3], linesize, bS3, qp, h);
352 filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, h);
353 filter_mb_edgeh( &img_y[4*1*linesize], linesize, bS3, qp, h);
354 filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, h);
355 filter_mb_edgeh( &img_y[4*3*linesize], linesize, bS3, qp, h);
082cf971 356 }
258b60c2
MN
357 filter_mb_edgecv( &img_cb[2*0], uvlinesize, bS4, qpc0, h);
358 filter_mb_edgecv( &img_cb[2*2], uvlinesize, bS3, qpc, h);
359 filter_mb_edgecv( &img_cr[2*0], uvlinesize, bS4, qpc0, h);
360 filter_mb_edgecv( &img_cr[2*2], uvlinesize, bS3, qpc, h);
361 filter_mb_edgech( &img_cb[2*0*uvlinesize], uvlinesize, bSH, qpc1, h);
362 filter_mb_edgech( &img_cb[2*2*uvlinesize], uvlinesize, bS3, qpc, h);
363 filter_mb_edgech( &img_cr[2*0*uvlinesize], uvlinesize, bSH, qpc1, h);
364 filter_mb_edgech( &img_cr[2*2*uvlinesize], uvlinesize, bS3, qpc, h);
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365 return;
366 } else {
c6727809 367 DECLARE_ALIGNED_8(int16_t, bS)[2][4][4];
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368 uint64_t (*bSv)[4] = (uint64_t(*)[4])bS;
369 int edges;
370 if( IS_8x8DCT(mb_type) && (h->cbp&7) == 7 ) {
371 edges = 4;
372 bSv[0][0] = bSv[0][2] = bSv[1][0] = bSv[1][2] = 0x0002000200020002ULL;
373 } else {
374 int mask_edge1 = (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16)) ? 3 :
375 (mb_type & MB_TYPE_16x8) ? 1 : 0;
376 int mask_edge0 = (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16))
d5c30c86 377 && (h->left_type[0] & (MB_TYPE_16x16 | MB_TYPE_8x16))
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378 ? 3 : 0;
379 int step = IS_8x8DCT(mb_type) ? 2 : 1;
380 edges = (mb_type & MB_TYPE_16x16) && !(h->cbp & 15) ? 1 : 4;
381 s->dsp.h264_loop_filter_strength( bS, h->non_zero_count_cache, h->ref_cache, h->mv_cache,
50eb40a7 382 h->list_count==2, edges, step, mask_edge0, mask_edge1, FIELD_PICTURE);
082cf971 383 }
d5c30c86 384 if( IS_INTRA(h->left_type[0]) )
082cf971 385 bSv[0][0] = 0x0004000400040004ULL;
d5c30c86 386 if( IS_INTRA(h->top_type) )
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387 bSv[1][0] = FIELD_PICTURE ? 0x0003000300030003ULL : 0x0004000400040004ULL;
388
389#define FILTER(hv,dir,edge)\
390 if(bSv[dir][edge]) {\
258b60c2 391 filter_mb_edge##hv( &img_y[4*edge*(dir?linesize:1)], linesize, bS[dir][edge], edge ? qp : qp##dir, h );\
082cf971 392 if(!(edge&1)) {\
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393 filter_mb_edgec##hv( &img_cb[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, h );\
394 filter_mb_edgec##hv( &img_cr[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, h );\
082cf971
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395 }\
396 }
397 if( edges == 1 ) {
398 FILTER(v,0,0);
399 FILTER(h,1,0);
400 } else if( IS_8x8DCT(mb_type) ) {
401 FILTER(v,0,0);
402 FILTER(v,0,2);
403 FILTER(h,1,0);
404 FILTER(h,1,2);
405 } else {
406 FILTER(v,0,0);
407 FILTER(v,0,1);
408 FILTER(v,0,2);
409 FILTER(v,0,3);
410 FILTER(h,1,0);
411 FILTER(h,1,1);
412 FILTER(h,1,2);
413 FILTER(h,1,3);
414 }
415#undef FILTER
416 }
417}
418
419
420static 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) {
421 MpegEncContext * const s = &h->s;
422 int edge;
423 const int mbm_xy = dir == 0 ? mb_xy -1 : h->top_mb_xy;
d5c30c86 424 const int mbm_type = dir == 0 ? h->left_type[0] : h->top_type;
082cf971 425
082cf971 426 // how often to recheck mv-based bS when iterating between edges
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427 static const uint8_t mask_edge_tab[2][8]={{0,3,3,3,1,1,1,1},
428 {0,3,1,1,3,3,3,3}};
429 const int mask_edge = mask_edge_tab[dir][(mb_type>>3)&7];
1cc2d211
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430 const int edges = mask_edge== 3 && !(h->cbp&15) ? 1 : 4;
431
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432 // how often to recheck mv-based bS when iterating along each edge
433 const int mask_par0 = mb_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir));
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434 int start = h->slice_table[mbm_xy] == 0xFFFF
435 || first_vertical_edge_done
436 || (h->deblocking_filter==2 && h->slice_table[mbm_xy] != h->slice_num);
082cf971 437
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438
439 if (FRAME_MBAFF && (dir == 1) && ((mb_y&1) == 0) && start == 0
87df989e 440 && IS_INTERLACED(mbm_type&~mb_type)
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441 ) {
442 // This is a special case in the norm where the filtering must
443 // be done twice (one each of the field) even if we are in a
444 // frame macroblock.
445 //
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446 unsigned int tmp_linesize = 2 * linesize;
447 unsigned int tmp_uvlinesize = 2 * uvlinesize;
448 int mbn_xy = mb_xy - 2 * s->mb_stride;
97775235 449 int j;
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450
451 for(j=0; j<2; j++, mbn_xy += s->mb_stride){
c6727809 452 DECLARE_ALIGNED_8(int16_t, bS)[4];
97775235 453 int qp;
87df989e 454 if( IS_INTRA(mb_type|s->current_picture.mb_type[mbn_xy]) ) {
948180e7 455 *(uint64_t*)bS= 0x0003000300030003ULL;
082cf971 456 } else {
97775235
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457 const uint8_t *mbn_nnz = h->non_zero_count[mbn_xy] + 4+3*8;
458 int i;
082cf971 459 for( i = 0; i < 4; i++ ) {
97775235 460 bS[i] = 1 + !!(h->non_zero_count_cache[scan8[0]+i] | mbn_nnz[i]);
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461 }
462 }
463 // Do not use s->qscale as luma quantizer because it has not the same
464 // value in IPCM macroblocks.
465 qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;
466 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);
467 { int i; for (i = 0; i < 4; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
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468 filter_mb_edgeh( &img_y[j*linesize], tmp_linesize, bS, qp, h );
469 filter_mb_edgech( &img_cb[j*uvlinesize], tmp_uvlinesize, bS,
470 ( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1, h);
471 filter_mb_edgech( &img_cr[j*uvlinesize], tmp_uvlinesize, bS,
472 ( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1, h);
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473 }
474
475 start = 1;
476 }
477
478 /* Calculate bS */
479 for( edge = start; edge < edges; edge++ ) {
480 /* mbn_xy: neighbor macroblock */
481 const int mbn_xy = edge > 0 ? mb_xy : mbm_xy;
482 const int mbn_type = s->current_picture.mb_type[mbn_xy];
c6727809 483 DECLARE_ALIGNED_8(int16_t, bS)[4];
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484 int qp;
485
933bea77 486 if( IS_8x8DCT(mb_type & (edge<<24)) ) // (edge&1) && IS_8x8DCT(mb_type)
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487 continue;
488
55c54371
MN
489 if( IS_INTRA(mb_type|mbn_type)) {
490 *(uint64_t*)bS= 0x0003000300030003ULL;
082cf971 491 if (edge == 0) {
55c54371 492 if ( (!IS_INTERLACED(mb_type|mbm_type))
082cf971 493 || ((FRAME_MBAFF || (s->picture_structure != PICT_FRAME)) && (dir == 0))
55c54371
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494 )
495 *(uint64_t*)bS= 0x0004000400040004ULL;
082cf971 496 }
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497 } else {
498 int i, l;
499 int mv_done;
500
501 if( edge & mask_edge ) {
948180e7 502 *(uint64_t*)bS= 0;
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503 mv_done = 1;
504 }
505 else if( FRAME_MBAFF && IS_INTERLACED(mb_type ^ mbn_type)) {
948180e7 506 *(uint64_t*)bS= 0x0001000100010001ULL;
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507 mv_done = 1;
508 }
509 else if( mask_par0 && (edge || (mbn_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir)))) ) {
510 int b_idx= 8 + 4 + edge * (dir ? 8:1);
511 int bn_idx= b_idx - (dir ? 8:1);
512 int v = 0;
513
50eb40a7 514 for( l = 0; !v && l < h->list_count; l++ ) {
6d7e6b26 515 v |= h->ref_cache[l][b_idx] != h->ref_cache[l][bn_idx] |
3f55a651 516 h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] + 3 >= 7U |
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517 FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= mvy_limit;
518 }
519
50eb40a7 520 if(h->list_count==2 && v){
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521 v=0;
522 for( l = 0; !v && l < 2; l++ ) {
523 int ln= 1-l;
6d7e6b26 524 v |= h->ref_cache[l][b_idx] != h->ref_cache[ln][bn_idx] |
3f55a651 525 h->mv_cache[l][b_idx][0] - h->mv_cache[ln][bn_idx][0] + 3 >= 7U |
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526 FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[ln][bn_idx][1] ) >= mvy_limit;
527 }
528 }
529
530 bS[0] = bS[1] = bS[2] = bS[3] = v;
531 mv_done = 1;
532 }
533 else
534 mv_done = 0;
535
536 for( i = 0; i < 4; i++ ) {
537 int x = dir == 0 ? edge : i;
538 int y = dir == 0 ? i : edge;
539 int b_idx= 8 + 4 + x + 8*y;
540 int bn_idx= b_idx - (dir ? 8:1);
541
542 if( h->non_zero_count_cache[b_idx] |
543 h->non_zero_count_cache[bn_idx] ) {
544 bS[i] = 2;
545 }
546 else if(!mv_done)
547 {
548 bS[i] = 0;
50eb40a7 549 for( l = 0; l < h->list_count; l++ ) {
6d7e6b26 550 if( h->ref_cache[l][b_idx] != h->ref_cache[l][bn_idx] |
183a86c9 551 h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] + 3 >= 7U |
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552 FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= mvy_limit ) {
553 bS[i] = 1;
554 break;
555 }
556 }
557
50eb40a7 558 if(h->list_count == 2 && bS[i]){
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559 bS[i] = 0;
560 for( l = 0; l < 2; l++ ) {
561 int ln= 1-l;
6d7e6b26 562 if( h->ref_cache[l][b_idx] != h->ref_cache[ln][bn_idx] |
183a86c9 563 h->mv_cache[l][b_idx][0] - h->mv_cache[ln][bn_idx][0] + 3 >= 7U |
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564 FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[ln][bn_idx][1] ) >= mvy_limit ) {
565 bS[i] = 1;
566 break;
567 }
568 }
569 }
570 }
571 }
572
573 if(bS[0]+bS[1]+bS[2]+bS[3] == 0)
574 continue;
575 }
576
577 /* Filter edge */
578 // Do not use s->qscale as luma quantizer because it has not the same
579 // value in IPCM macroblocks.
580 qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;
c988f975 581 //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 582 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 583 //{ int i; for (i = 0; i < 4; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
082cf971 584 if( dir == 0 ) {
258b60c2 585 filter_mb_edgev( &img_y[4*edge], linesize, bS, qp, h );
082cf971 586 if( (edge&1) == 0 ) {
085d9d98 587 int qp= ( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
258b60c2 588 filter_mb_edgecv( &img_cb[2*edge], uvlinesize, bS, qp, h);
085d9d98
MN
589 if(h->pps.chroma_qp_diff)
590 qp= ( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
258b60c2 591 filter_mb_edgecv( &img_cr[2*edge], uvlinesize, bS, qp, h);
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592 }
593 } else {
258b60c2 594 filter_mb_edgeh( &img_y[4*edge*linesize], linesize, bS, qp, h );
082cf971 595 if( (edge&1) == 0 ) {
085d9d98 596 int qp= ( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
258b60c2 597 filter_mb_edgech( &img_cb[2*edge*uvlinesize], uvlinesize, bS, qp, h);
085d9d98
MN
598 if(h->pps.chroma_qp_diff)
599 qp= ( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
258b60c2 600 filter_mb_edgech( &img_cr[2*edge*uvlinesize], uvlinesize, bS, qp, h);
082cf971
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601 }
602 }
603 }
604}
605
606void 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) {
607 MpegEncContext * const s = &h->s;
608 const int mb_xy= mb_x + mb_y*s->mb_stride;
609 const int mb_type = s->current_picture.mb_type[mb_xy];
610 const int mvy_limit = IS_INTERLACED(mb_type) ? 2 : 4;
611 int first_vertical_edge_done = 0;
612 av_unused int dir;
c988f975 613 int list;
082cf971 614
082cf971 615 if (FRAME_MBAFF
082cf971 616 // and current and left pair do not have the same interlaced type
d5c30c86 617 && IS_INTERLACED(mb_type^h->left_type[0])
8670f84c 618 // and left mb is in available to us
d5c30c86 619 && h->left_type[0]) {
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620 /* First vertical edge is different in MBAFF frames
621 * There are 8 different bS to compute and 2 different Qp
622 */
c6727809 623 DECLARE_ALIGNED_8(int16_t, bS)[8];
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624 int qp[2];
625 int bqp[2];
626 int rqp[2];
627 int mb_qp, mbn0_qp, mbn1_qp;
628 int i;
629 first_vertical_edge_done = 1;
630
631 if( IS_INTRA(mb_type) )
948180e7
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632 *(uint64_t*)&bS[0]=
633 *(uint64_t*)&bS[4]= 0x0004000400040004ULL;
082cf971 634 else {
e470ef76
MN
635 static const uint8_t offset[2][2][8]={
636 {
637 {7+8*0, 7+8*0, 7+8*0, 7+8*0, 7+8*1, 7+8*1, 7+8*1, 7+8*1},
638 {7+8*2, 7+8*2, 7+8*2, 7+8*2, 7+8*3, 7+8*3, 7+8*3, 7+8*3},
639 },{
640 {7+8*0, 7+8*1, 7+8*2, 7+8*3, 7+8*0, 7+8*1, 7+8*2, 7+8*3},
641 {7+8*0, 7+8*1, 7+8*2, 7+8*3, 7+8*0, 7+8*1, 7+8*2, 7+8*3},
642 }
643 };
644 const uint8_t *off= offset[MB_FIELD][mb_y&1];
082cf971 645 for( i = 0; i < 8; i++ ) {
16e5e39a
MN
646 int j= MB_FIELD ? i>>2 : i&1;
647 int mbn_xy = h->left_mb_xy[j];
648 int mbn_type= h->left_type[j];
082cf971 649
16e5e39a 650 if( IS_INTRA( mbn_type ) )
082cf971 651 bS[i] = 4;
16e5e39a
MN
652 else{
653 bS[i] = 1 + !!(h->non_zero_count_cache[12+8*(i>>1)] |
654 ((!h->pps.cabac && IS_8x8DCT(mbn_type)) ?
082cf971
MN
655 (h->cbp_table[mbn_xy] & ((MB_FIELD ? (i&2) : (mb_y&1)) ? 8 : 2))
656 :
e470ef76 657 h->non_zero_count[mbn_xy][ off[i] ]));
16e5e39a 658 }
082cf971
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659 }
660 }
661
662 mb_qp = s->current_picture.qscale_table[mb_xy];
18ea2f93
MN
663 mbn0_qp = s->current_picture.qscale_table[h->left_mb_xy[0]];
664 mbn1_qp = s->current_picture.qscale_table[h->left_mb_xy[1]];
082cf971
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665 qp[0] = ( mb_qp + mbn0_qp + 1 ) >> 1;
666 bqp[0] = ( get_chroma_qp( h, 0, mb_qp ) +
667 get_chroma_qp( h, 0, mbn0_qp ) + 1 ) >> 1;
668 rqp[0] = ( get_chroma_qp( h, 1, mb_qp ) +
669 get_chroma_qp( h, 1, mbn0_qp ) + 1 ) >> 1;
670 qp[1] = ( mb_qp + mbn1_qp + 1 ) >> 1;
671 bqp[1] = ( get_chroma_qp( h, 0, mb_qp ) +
672 get_chroma_qp( h, 0, mbn1_qp ) + 1 ) >> 1;
673 rqp[1] = ( get_chroma_qp( h, 1, mb_qp ) +
674 get_chroma_qp( h, 1, mbn1_qp ) + 1 ) >> 1;
675
676 /* Filter edge */
677 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);
678 { int i; for (i = 0; i < 8; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
bffe82f5
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679 if(MB_FIELD){
680 filter_mb_mbaff_edgev ( h, img_y , linesize, bS , 1, qp [0] );
681 filter_mb_mbaff_edgev ( h, img_y + 8* linesize, linesize, bS+4, 1, qp [1] );
682 filter_mb_mbaff_edgecv( h, img_cb, uvlinesize, bS , 1, bqp[0] );
683 filter_mb_mbaff_edgecv( h, img_cb + 4*uvlinesize, uvlinesize, bS+4, 1, bqp[1] );
684 filter_mb_mbaff_edgecv( h, img_cr, uvlinesize, bS , 1, rqp[0] );
685 filter_mb_mbaff_edgecv( h, img_cr + 4*uvlinesize, uvlinesize, bS+4, 1, rqp[1] );
686 }else{
687 filter_mb_mbaff_edgev ( h, img_y , 2* linesize, bS , 2, qp [0] );
688 filter_mb_mbaff_edgev ( h, img_y + linesize, 2* linesize, bS+1, 2, qp [1] );
689 filter_mb_mbaff_edgecv( h, img_cb, 2*uvlinesize, bS , 2, bqp[0] );
690 filter_mb_mbaff_edgecv( h, img_cb + uvlinesize, 2*uvlinesize, bS+1, 2, bqp[1] );
691 filter_mb_mbaff_edgecv( h, img_cr, 2*uvlinesize, bS , 2, rqp[0] );
692 filter_mb_mbaff_edgecv( h, img_cr + uvlinesize, 2*uvlinesize, bS+1, 2, rqp[1] );
693 }
082cf971
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694 }
695
696#if CONFIG_SMALL
697 for( dir = 0; dir < 2; dir++ )
698 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);
699#else
700 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);
701 filter_mb_dir(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, mb_xy, mb_type, mvy_limit, 0, 1);
702#endif
703}