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ffmpeg / libavcodec / h264_loopfilter.c @ 84dc2d8a

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1
/*
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 * H.26L/H.264/AVC/JVT/14496-10/... loop filter
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 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
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 *
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 * This file is part of FFmpeg.
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 *
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 * FFmpeg is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * FFmpeg is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with FFmpeg; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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/**
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 * @file libavcodec/h264_loopfilter.c
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 * H.264 / AVC / MPEG4 part10 loop filter.
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 * @author Michael Niedermayer <michaelni@gmx.at>
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 */
27

    
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#include "libavutil/intreadwrite.h"
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#include "internal.h"
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#include "dsputil.h"
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#include "avcodec.h"
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#include "mpegvideo.h"
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#include "h264.h"
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#include "mathops.h"
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#include "rectangle.h"
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37
//#undef NDEBUG
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#include <assert.h>
39

    
40
/* Deblocking filter (p153) */
41
static const uint8_t alpha_table[52*3] = {
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     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
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     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
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     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
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     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
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     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
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     0,  0,  0,  0,  0,  0,  4,  4,  5,  6,
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     7,  8,  9, 10, 12, 13, 15, 17, 20, 22,
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    25, 28, 32, 36, 40, 45, 50, 56, 63, 71,
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    80, 90,101,113,127,144,162,182,203,226,
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   255,255,
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   255,255,255,255,255,255,255,255,255,255,255,255,255,
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   255,255,255,255,255,255,255,255,255,255,255,255,255,
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   255,255,255,255,255,255,255,255,255,255,255,255,255,
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   255,255,255,255,255,255,255,255,255,255,255,255,255,
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};
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static const uint8_t beta_table[52*3] = {
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     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
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     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
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     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
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     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
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     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
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     0,  0,  0,  0,  0,  0,  2,  2,  2,  3,
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     3,  3,  3,  4,  4,  4,  6,  6,  7,  7,
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     8,  8,  9,  9, 10, 10, 11, 11, 12, 12,
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    13, 13, 14, 14, 15, 15, 16, 16, 17, 17,
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    18, 18,
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    18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
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    18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
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    18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
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    18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
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};
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static const uint8_t tc0_table[52*3][4] = {
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    {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
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    {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
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    {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
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    {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
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    {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
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    {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
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    {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
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    {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
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    {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
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    {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
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    {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
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    {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 1 },
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    {-1, 0, 0, 1 }, {-1, 0, 0, 1 }, {-1, 0, 0, 1 }, {-1, 0, 1, 1 }, {-1, 0, 1, 1 }, {-1, 1, 1, 1 },
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    {-1, 1, 1, 1 }, {-1, 1, 1, 1 }, {-1, 1, 1, 1 }, {-1, 1, 1, 2 }, {-1, 1, 1, 2 }, {-1, 1, 1, 2 },
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    {-1, 1, 1, 2 }, {-1, 1, 2, 3 }, {-1, 1, 2, 3 }, {-1, 2, 2, 3 }, {-1, 2, 2, 4 }, {-1, 2, 3, 4 },
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    {-1, 2, 3, 4 }, {-1, 3, 3, 5 }, {-1, 3, 4, 6 }, {-1, 3, 4, 6 }, {-1, 4, 5, 7 }, {-1, 4, 5, 8 },
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    {-1, 4, 6, 9 }, {-1, 5, 7,10 }, {-1, 6, 8,11 }, {-1, 6, 8,13 }, {-1, 7,10,14 }, {-1, 8,11,16 },
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    {-1, 9,12,18 }, {-1,10,13,20 }, {-1,11,15,23 }, {-1,13,17,25 },
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    {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
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    {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
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    {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
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    {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
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    {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
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    {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
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    {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
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    {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
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    {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
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};
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103
static void av_always_inline filter_mb_edgev( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h) {
104
    const unsigned int index_a = qp + h->slice_alpha_c0_offset;
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    const int alpha = alpha_table[index_a];
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    const int beta  = beta_table[qp + h->slice_beta_offset];
107
    if (alpha ==0 || beta == 0) return;
108

    
109
    if( bS[0] < 4 ) {
110
        int8_t tc[4];
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        tc[0] = tc0_table[index_a][bS[0]];
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        tc[1] = tc0_table[index_a][bS[1]];
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        tc[2] = tc0_table[index_a][bS[2]];
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        tc[3] = tc0_table[index_a][bS[3]];
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        h->s.dsp.h264_h_loop_filter_luma(pix, stride, alpha, beta, tc);
116
    } else {
117
        h->s.dsp.h264_h_loop_filter_luma_intra(pix, stride, alpha, beta);
118
    }
119
}
120
static void av_always_inline filter_mb_edgecv( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h ) {
121
    const unsigned int index_a = qp + h->slice_alpha_c0_offset;
122
    const int alpha = alpha_table[index_a];
123
    const int beta  = beta_table[qp + h->slice_beta_offset];
124
    if (alpha ==0 || beta == 0) return;
125

    
126
    if( bS[0] < 4 ) {
127
        int8_t tc[4];
128
        tc[0] = tc0_table[index_a][bS[0]]+1;
129
        tc[1] = tc0_table[index_a][bS[1]]+1;
130
        tc[2] = tc0_table[index_a][bS[2]]+1;
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        tc[3] = tc0_table[index_a][bS[3]]+1;
132
        h->s.dsp.h264_h_loop_filter_chroma(pix, stride, alpha, beta, tc);
133
    } else {
134
        h->s.dsp.h264_h_loop_filter_chroma_intra(pix, stride, alpha, beta);
135
    }
136
}
137

    
138
static void filter_mb_mbaff_edgev( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int bsi, int qp ) {
139
    int i;
140
    int index_a = qp + h->slice_alpha_c0_offset;
141
    int alpha = alpha_table[index_a];
142
    int beta  = beta_table[qp + h->slice_beta_offset];
143
    for( i = 0; i < 8; i++, pix += stride) {
144
        const int bS_index = (i >> 1) * bsi;
145

    
146
        if( bS[bS_index] == 0 ) {
147
            continue;
148
        }
149

    
150
        if( bS[bS_index] < 4 ) {
151
            const int tc0 = tc0_table[index_a][bS[bS_index]];
152
            const int p0 = pix[-1];
153
            const int p1 = pix[-2];
154
            const int p2 = pix[-3];
155
            const int q0 = pix[0];
156
            const int q1 = pix[1];
157
            const int q2 = pix[2];
158

    
159
            if( FFABS( p0 - q0 ) < alpha &&
160
                FFABS( p1 - p0 ) < beta &&
161
                FFABS( q1 - q0 ) < beta ) {
162
                int tc = tc0;
163
                int i_delta;
164

    
165
                if( FFABS( p2 - p0 ) < beta ) {
166
                    if(tc0)
167
                    pix[-2] = p1 + av_clip( ( p2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( p1 << 1 ) ) >> 1, -tc0, tc0 );
168
                    tc++;
169
                }
170
                if( FFABS( q2 - q0 ) < beta ) {
171
                    if(tc0)
172
                    pix[1] = q1 + av_clip( ( q2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( q1 << 1 ) ) >> 1, -tc0, tc0 );
173
                    tc++;
174
                }
175

    
176
                i_delta = av_clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
177
                pix[-1] = av_clip_uint8( p0 + i_delta );    /* p0' */
178
                pix[0]  = av_clip_uint8( q0 - i_delta );    /* q0' */
179
                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);
180
            }
181
        }else{
182
            const int p0 = pix[-1];
183
            const int p1 = pix[-2];
184
            const int p2 = pix[-3];
185

    
186
            const int q0 = pix[0];
187
            const int q1 = pix[1];
188
            const int q2 = pix[2];
189

    
190
            if( FFABS( p0 - q0 ) < alpha &&
191
                FFABS( p1 - p0 ) < beta &&
192
                FFABS( q1 - q0 ) < beta ) {
193

    
194
                if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
195
                    if( FFABS( p2 - p0 ) < beta)
196
                    {
197
                        const int p3 = pix[-4];
198
                        /* p0', p1', p2' */
199
                        pix[-1] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;
200
                        pix[-2] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;
201
                        pix[-3] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3;
202
                    } else {
203
                        /* p0' */
204
                        pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
205
                    }
206
                    if( FFABS( q2 - q0 ) < beta)
207
                    {
208
                        const int q3 = pix[3];
209
                        /* q0', q1', q2' */
210
                        pix[0] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;
211
                        pix[1] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;
212
                        pix[2] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3;
213
                    } else {
214
                        /* q0' */
215
                        pix[0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
216
                    }
217
                }else{
218
                    /* p0', q0' */
219
                    pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
220
                    pix[ 0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
221
                }
222
                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]);
223
            }
224
        }
225
    }
226
}
227
static void filter_mb_mbaff_edgecv( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int bsi, int qp ) {
228
    int i;
229
    int index_a = qp + h->slice_alpha_c0_offset;
230
    int alpha = alpha_table[index_a];
231
    int beta  = beta_table[qp + h->slice_beta_offset];
232
    for( i = 0; i < 4; i++, pix += stride) {
233
        const int bS_index = i*bsi;
234

    
235
        if( bS[bS_index] == 0 ) {
236
            continue;
237
        }
238

    
239
        if( bS[bS_index] < 4 ) {
240
            const int tc = tc0_table[index_a][bS[bS_index]] + 1;
241
            const int p0 = pix[-1];
242
            const int p1 = pix[-2];
243
            const int q0 = pix[0];
244
            const int q1 = pix[1];
245

    
246
            if( FFABS( p0 - q0 ) < alpha &&
247
                FFABS( p1 - p0 ) < beta &&
248
                FFABS( q1 - q0 ) < beta ) {
249
                const int i_delta = av_clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
250

    
251
                pix[-1] = av_clip_uint8( p0 + i_delta );    /* p0' */
252
                pix[0]  = av_clip_uint8( q0 - i_delta );    /* q0' */
253
                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);
254
            }
255
        }else{
256
            const int p0 = pix[-1];
257
            const int p1 = pix[-2];
258
            const int q0 = pix[0];
259
            const int q1 = pix[1];
260

    
261
            if( FFABS( p0 - q0 ) < alpha &&
262
                FFABS( p1 - p0 ) < beta &&
263
                FFABS( q1 - q0 ) < beta ) {
264

    
265
                pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;   /* p0' */
266
                pix[0]  = ( 2*q1 + q0 + p1 + 2 ) >> 2;   /* q0' */
267
                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]);
268
            }
269
        }
270
    }
271
}
272

    
273
static void av_always_inline filter_mb_edgeh( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h ) {
274
    const unsigned int index_a = qp + h->slice_alpha_c0_offset;
275
    const int alpha = alpha_table[index_a];
276
    const int beta  = beta_table[qp + h->slice_beta_offset];
277
    if (alpha ==0 || beta == 0) return;
278

    
279
    if( bS[0] < 4 ) {
280
        int8_t tc[4];
281
        tc[0] = tc0_table[index_a][bS[0]];
282
        tc[1] = tc0_table[index_a][bS[1]];
283
        tc[2] = tc0_table[index_a][bS[2]];
284
        tc[3] = tc0_table[index_a][bS[3]];
285
        h->s.dsp.h264_v_loop_filter_luma(pix, stride, alpha, beta, tc);
286
    } else {
287
        h->s.dsp.h264_v_loop_filter_luma_intra(pix, stride, alpha, beta);
288
    }
289
}
290

    
291
static void av_always_inline filter_mb_edgech( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h ) {
292
    const unsigned int index_a = qp + h->slice_alpha_c0_offset;
293
    const int alpha = alpha_table[index_a];
294
    const int beta  = beta_table[qp + h->slice_beta_offset];
295
    if (alpha ==0 || beta == 0) return;
296

    
297
    if( bS[0] < 4 ) {
298
        int8_t tc[4];
299
        tc[0] = tc0_table[index_a][bS[0]]+1;
300
        tc[1] = tc0_table[index_a][bS[1]]+1;
301
        tc[2] = tc0_table[index_a][bS[2]]+1;
302
        tc[3] = tc0_table[index_a][bS[3]]+1;
303
        h->s.dsp.h264_v_loop_filter_chroma(pix, stride, alpha, beta, tc);
304
    } else {
305
        h->s.dsp.h264_v_loop_filter_chroma_intra(pix, stride, alpha, beta);
306
    }
307
}
308

    
309
void 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) {
310
    MpegEncContext * const s = &h->s;
311
    int mb_xy;
312
    int mb_type, left_type;
313
    int qp, qp0, qp1, qpc, qpc0, qpc1, qp_thresh;
314

    
315
    mb_xy = h->mb_xy;
316

    
317
    if(!h->top_type || !s->dsp.h264_loop_filter_strength || h->pps.chroma_qp_diff) {
318
        ff_h264_filter_mb(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize);
319
        return;
320
    }
321
    assert(!FRAME_MBAFF);
322
    left_type= h->left_type[0];
323

    
324
    mb_type = s->current_picture.mb_type[mb_xy];
325
    qp = s->current_picture.qscale_table[mb_xy];
326
    qp0 = s->current_picture.qscale_table[mb_xy-1];
327
    qp1 = s->current_picture.qscale_table[h->top_mb_xy];
328
    qpc = get_chroma_qp( h, 0, qp );
329
    qpc0 = get_chroma_qp( h, 0, qp0 );
330
    qpc1 = get_chroma_qp( h, 0, qp1 );
331
    qp0 = (qp + qp0 + 1) >> 1;
332
    qp1 = (qp + qp1 + 1) >> 1;
333
    qpc0 = (qpc + qpc0 + 1) >> 1;
334
    qpc1 = (qpc + qpc1 + 1) >> 1;
335
    qp_thresh = 15+52 - h->slice_alpha_c0_offset;
336
    if(qp <= qp_thresh && qp0 <= qp_thresh && qp1 <= qp_thresh &&
337
       qpc <= qp_thresh && qpc0 <= qp_thresh && qpc1 <= qp_thresh)
338
        return;
339

    
340
    if( IS_INTRA(mb_type) ) {
341
        int16_t bS4[4] = {4,4,4,4};
342
        int16_t bS3[4] = {3,3,3,3};
343
        int16_t *bSH = FIELD_PICTURE ? bS3 : bS4;
344
        if(left_type)
345
            filter_mb_edgev( &img_y[4*0], linesize, bS4, qp0, h);
346
        if( IS_8x8DCT(mb_type) ) {
347
            filter_mb_edgev( &img_y[4*2], linesize, bS3, qp, h);
348
            filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, h);
349
            filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, h);
350
        } else {
351
            filter_mb_edgev( &img_y[4*1], linesize, bS3, qp, h);
352
            filter_mb_edgev( &img_y[4*2], linesize, bS3, qp, h);
353
            filter_mb_edgev( &img_y[4*3], linesize, bS3, qp, h);
354
            filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, h);
355
            filter_mb_edgeh( &img_y[4*1*linesize], linesize, bS3, qp, h);
356
            filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, h);
357
            filter_mb_edgeh( &img_y[4*3*linesize], linesize, bS3, qp, h);
358
        }
359
        if(left_type){
360
            filter_mb_edgecv( &img_cb[2*0], uvlinesize, bS4, qpc0, h);
361
            filter_mb_edgecv( &img_cr[2*0], uvlinesize, bS4, qpc0, h);
362
        }
363
        filter_mb_edgecv( &img_cb[2*2], uvlinesize, bS3, qpc, h);
364
        filter_mb_edgecv( &img_cr[2*2], uvlinesize, bS3, qpc, h);
365
        filter_mb_edgech( &img_cb[2*0*uvlinesize], uvlinesize, bSH, qpc1, h);
366
        filter_mb_edgech( &img_cb[2*2*uvlinesize], uvlinesize, bS3, qpc, h);
367
        filter_mb_edgech( &img_cr[2*0*uvlinesize], uvlinesize, bSH, qpc1, h);
368
        filter_mb_edgech( &img_cr[2*2*uvlinesize], uvlinesize, bS3, qpc, h);
369
        return;
370
    } else {
371
        LOCAL_ALIGNED_8(int16_t, bS, [2], [4][4]);
372
        int edges;
373
        if( IS_8x8DCT(mb_type) && (h->cbp&7) == 7 ) {
374
            edges = 4;
375
            AV_WN64A(bS[0][0], 0x0002000200020002ULL);
376
            AV_WN64A(bS[0][2], 0x0002000200020002ULL);
377
            AV_WN64A(bS[1][0], 0x0002000200020002ULL);
378
            AV_WN64A(bS[1][2], 0x0002000200020002ULL);
379
        } else {
380
            int mask_edge1 = (3*(((5*mb_type)>>5)&1)) | (mb_type>>4); //(mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16)) ? 3 : (mb_type & MB_TYPE_16x8) ? 1 : 0;
381
            int mask_edge0 = 3*((mask_edge1>>1) & ((5*left_type)>>5)&1); // (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16)) && (h->left_type[0] & (MB_TYPE_16x16 | MB_TYPE_8x16)) ? 3 : 0;
382
            int step =  1+(mb_type>>24); //IS_8x8DCT(mb_type) ? 2 : 1;
383
            edges = 4 - 3*((mb_type>>3) & !(h->cbp & 15)); //(mb_type & MB_TYPE_16x16) && !(h->cbp & 15) ? 1 : 4;
384
            s->dsp.h264_loop_filter_strength( bS, h->non_zero_count_cache, h->ref_cache, h->mv_cache,
385
                                              h->list_count==2, edges, step, mask_edge0, mask_edge1, FIELD_PICTURE);
386
        }
387
        if( IS_INTRA(left_type) )
388
            AV_WN64A(bS[0][0], 0x0004000400040004ULL);
389
        if( IS_INTRA(h->top_type) )
390
            AV_WN64A(bS[1][0], FIELD_PICTURE ? 0x0003000300030003ULL : 0x0004000400040004ULL);
391

    
392
#define FILTER(hv,dir,edge)\
393
        if(AV_RN64A(bS[dir][edge])) {                                   \
394
            filter_mb_edge##hv( &img_y[4*edge*(dir?linesize:1)], linesize, bS[dir][edge], edge ? qp : qp##dir, h );\
395
            if(!(edge&1)) {\
396
                filter_mb_edgec##hv( &img_cb[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, h );\
397
                filter_mb_edgec##hv( &img_cr[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, h );\
398
            }\
399
        }
400
        if(left_type)
401
            FILTER(v,0,0);
402
        if( edges == 1 ) {
403
            FILTER(h,1,0);
404
        } else if( IS_8x8DCT(mb_type) ) {
405
            FILTER(v,0,2);
406
            FILTER(h,1,0);
407
            FILTER(h,1,2);
408
        } else {
409
            FILTER(v,0,1);
410
            FILTER(v,0,2);
411
            FILTER(v,0,3);
412
            FILTER(h,1,0);
413
            FILTER(h,1,1);
414
            FILTER(h,1,2);
415
            FILTER(h,1,3);
416
        }
417
#undef FILTER
418
    }
419
}
420

    
421
static int check_mv(H264Context *h, long b_idx, long bn_idx, int mvy_limit){
422
    int v;
423

    
424
    v= h->ref_cache[0][b_idx] != h->ref_cache[0][bn_idx];
425
    if(!v && h->ref_cache[0][b_idx]!=-1)
426
        v= h->mv_cache[0][b_idx][0] - h->mv_cache[0][bn_idx][0] + 3 >= 7U |
427
           FFABS( h->mv_cache[0][b_idx][1] - h->mv_cache[0][bn_idx][1] ) >= mvy_limit;
428

    
429
    if(h->list_count==2){
430
        if(!v)
431
            v = h->ref_cache[1][b_idx] != h->ref_cache[1][bn_idx] |
432
                h->mv_cache[1][b_idx][0] - h->mv_cache[1][bn_idx][0] + 3 >= 7U |
433
                FFABS( h->mv_cache[1][b_idx][1] - h->mv_cache[1][bn_idx][1] ) >= mvy_limit;
434

    
435
        if(v){
436
            if(h->ref_cache[0][b_idx] != h->ref_cache[1][bn_idx] |
437
               h->ref_cache[1][b_idx] != h->ref_cache[0][bn_idx])
438
                return 1;
439
            return
440
                h->mv_cache[0][b_idx][0] - h->mv_cache[1][bn_idx][0] + 3 >= 7U |
441
                FFABS( h->mv_cache[0][b_idx][1] - h->mv_cache[1][bn_idx][1] ) >= mvy_limit |
442
                h->mv_cache[1][b_idx][0] - h->mv_cache[0][bn_idx][0] + 3 >= 7U |
443
                FFABS( h->mv_cache[1][b_idx][1] - h->mv_cache[0][bn_idx][1] ) >= mvy_limit;
444
        }
445
    }
446

    
447
    return v;
448
}
449

    
450
static 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) {
451
    MpegEncContext * const s = &h->s;
452
    int edge;
453
    const int mbm_xy = dir == 0 ? mb_xy -1 : h->top_mb_xy;
454
    const int mbm_type = dir == 0 ? h->left_type[0] : h->top_type;
455

    
456
    // how often to recheck mv-based bS when iterating between edges
457
    static const uint8_t mask_edge_tab[2][8]={{0,3,3,3,1,1,1,1},
458
                                              {0,3,1,1,3,3,3,3}};
459
    const int mask_edge = mask_edge_tab[dir][(mb_type>>3)&7];
460
    const int edges = mask_edge== 3 && !(h->cbp&15) ? 1 : 4;
461

    
462
    // how often to recheck mv-based bS when iterating along each edge
463
    const int mask_par0 = mb_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir));
464

    
465
    if(mbm_type && !first_vertical_edge_done){
466

    
467
        if (FRAME_MBAFF && (dir == 1) && ((mb_y&1) == 0)
468
            && IS_INTERLACED(mbm_type&~mb_type)
469
            ) {
470
            // This is a special case in the norm where the filtering must
471
            // be done twice (one each of the field) even if we are in a
472
            // frame macroblock.
473
            //
474
            unsigned int tmp_linesize   = 2 *   linesize;
475
            unsigned int tmp_uvlinesize = 2 * uvlinesize;
476
            int mbn_xy = mb_xy - 2 * s->mb_stride;
477
            int j;
478

    
479
            for(j=0; j<2; j++, mbn_xy += s->mb_stride){
480
                DECLARE_ALIGNED(8, int16_t, bS)[4];
481
                int qp;
482
                if( IS_INTRA(mb_type|s->current_picture.mb_type[mbn_xy]) ) {
483
                    AV_WN64A(bS, 0x0003000300030003ULL);
484
                } else {
485
                    if(!CABAC && IS_8x8DCT(s->current_picture.mb_type[mbn_xy])){
486
                        bS[0]= 1+((h->cbp_table[mbn_xy] & 4)||h->non_zero_count_cache[scan8[0]+0]);
487
                        bS[1]= 1+((h->cbp_table[mbn_xy] & 4)||h->non_zero_count_cache[scan8[0]+1]);
488
                        bS[2]= 1+((h->cbp_table[mbn_xy] & 8)||h->non_zero_count_cache[scan8[0]+2]);
489
                        bS[3]= 1+((h->cbp_table[mbn_xy] & 8)||h->non_zero_count_cache[scan8[0]+3]);
490
                    }else{
491
                    const uint8_t *mbn_nnz = h->non_zero_count[mbn_xy] + 4+3*8;
492
                    int i;
493
                    for( i = 0; i < 4; i++ ) {
494
                        bS[i] = 1 + !!(h->non_zero_count_cache[scan8[0]+i] | mbn_nnz[i]);
495
                    }
496
                    }
497
                }
498
                // Do not use s->qscale as luma quantizer because it has not the same
499
                // value in IPCM macroblocks.
500
                qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;
501
                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);
502
                { int i; for (i = 0; i < 4; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
503
                filter_mb_edgeh( &img_y[j*linesize], tmp_linesize, bS, qp, h );
504
                filter_mb_edgech( &img_cb[j*uvlinesize], tmp_uvlinesize, bS,
505
                                ( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1, h);
506
                filter_mb_edgech( &img_cr[j*uvlinesize], tmp_uvlinesize, bS,
507
                                ( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1, h);
508
            }
509
        }else{
510
            DECLARE_ALIGNED(8, int16_t, bS)[4];
511
            int qp;
512

    
513
            if( IS_INTRA(mb_type|mbm_type)) {
514
                AV_WN64A(bS, 0x0003000300030003ULL);
515
                if (   (!IS_INTERLACED(mb_type|mbm_type))
516
                    || ((FRAME_MBAFF || (s->picture_structure != PICT_FRAME)) && (dir == 0))
517
                )
518
                    AV_WN64A(bS, 0x0004000400040004ULL);
519
            } else {
520
                int i;
521
                int mv_done;
522

    
523
                if( dir && FRAME_MBAFF && IS_INTERLACED(mb_type ^ mbm_type)) {
524
                    AV_WN64A(bS, 0x0001000100010001ULL);
525
                    mv_done = 1;
526
                }
527
                else if( mask_par0 && ((mbm_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir)))) ) {
528
                    int b_idx= 8 + 4;
529
                    int bn_idx= b_idx - (dir ? 8:1);
530

    
531
                    bS[0] = bS[1] = bS[2] = bS[3] = check_mv(h, 8 + 4, bn_idx, mvy_limit);
532
                    mv_done = 1;
533
                }
534
                else
535
                    mv_done = 0;
536

    
537
                for( i = 0; i < 4; i++ ) {
538
                    int x = dir == 0 ? 0 : i;
539
                    int y = dir == 0 ? i    : 0;
540
                    int b_idx= 8 + 4 + x + 8*y;
541
                    int bn_idx= b_idx - (dir ? 8:1);
542

    
543
                    if( h->non_zero_count_cache[b_idx] |
544
                        h->non_zero_count_cache[bn_idx] ) {
545
                        bS[i] = 2;
546
                    }
547
                    else if(!mv_done)
548
                    {
549
                        bS[i] = check_mv(h, b_idx, bn_idx, mvy_limit);
550
                    }
551
                }
552
            }
553

    
554
            /* Filter edge */
555
            // Do not use s->qscale as luma quantizer because it has not the same
556
            // value in IPCM macroblocks.
557
            if(bS[0]+bS[1]+bS[2]+bS[3]){
558
                qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbm_xy] + 1 ) >> 1;
559
                //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]);
560
                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);
561
                //{ int i; for (i = 0; i < 4; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
562
                if( dir == 0 ) {
563
                    filter_mb_edgev( &img_y[0], linesize, bS, qp, h );
564
                    {
565
                        int qp= ( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbm_xy] ) + 1 ) >> 1;
566
                        filter_mb_edgecv( &img_cb[0], uvlinesize, bS, qp, h);
567
                        if(h->pps.chroma_qp_diff)
568
                            qp= ( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbm_xy] ) + 1 ) >> 1;
569
                        filter_mb_edgecv( &img_cr[0], uvlinesize, bS, qp, h);
570
                    }
571
                } else {
572
                    filter_mb_edgeh( &img_y[0], linesize, bS, qp, h );
573
                    {
574
                        int qp= ( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbm_xy] ) + 1 ) >> 1;
575
                        filter_mb_edgech( &img_cb[0], uvlinesize, bS, qp, h);
576
                        if(h->pps.chroma_qp_diff)
577
                            qp= ( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbm_xy] ) + 1 ) >> 1;
578
                        filter_mb_edgech( &img_cr[0], uvlinesize, bS, qp, h);
579
                    }
580
                }
581
            }
582
        }
583
    }
584

    
585
    /* Calculate bS */
586
    for( edge = 1; edge < edges; edge++ ) {
587
        DECLARE_ALIGNED(8, int16_t, bS)[4];
588
        int qp;
589

    
590
        if( IS_8x8DCT(mb_type & (edge<<24)) ) // (edge&1) && IS_8x8DCT(mb_type)
591
            continue;
592

    
593
        if( IS_INTRA(mb_type)) {
594
            AV_WN64A(bS, 0x0003000300030003ULL);
595
        } else {
596
            int i;
597
            int mv_done;
598

    
599
            if( edge & mask_edge ) {
600
                AV_ZERO64(bS);
601
                mv_done = 1;
602
            }
603
            else if( mask_par0 ) {
604
                int b_idx= 8 + 4 + edge * (dir ? 8:1);
605
                int bn_idx= b_idx - (dir ? 8:1);
606

    
607
                bS[0] = bS[1] = bS[2] = bS[3] = check_mv(h, b_idx, bn_idx, mvy_limit);
608
                mv_done = 1;
609
            }
610
            else
611
                mv_done = 0;
612

    
613
            for( i = 0; i < 4; i++ ) {
614
                int x = dir == 0 ? edge : i;
615
                int y = dir == 0 ? i    : edge;
616
                int b_idx= 8 + 4 + x + 8*y;
617
                int bn_idx= b_idx - (dir ? 8:1);
618

    
619
                if( h->non_zero_count_cache[b_idx] |
620
                    h->non_zero_count_cache[bn_idx] ) {
621
                    bS[i] = 2;
622
                }
623
                else if(!mv_done)
624
                {
625
                    bS[i] = check_mv(h, b_idx, bn_idx, mvy_limit);
626
                }
627
            }
628

    
629
            if(bS[0]+bS[1]+bS[2]+bS[3] == 0)
630
                continue;
631
        }
632

    
633
        /* Filter edge */
634
        // Do not use s->qscale as luma quantizer because it has not the same
635
        // value in IPCM macroblocks.
636
        qp = s->current_picture.qscale_table[mb_xy];
637
        //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]);
638
        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);
639
        //{ int i; for (i = 0; i < 4; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
640
        if( dir == 0 ) {
641
            filter_mb_edgev( &img_y[4*edge], linesize, bS, qp, h );
642
            if( (edge&1) == 0 ) {
643
                filter_mb_edgecv( &img_cb[2*edge], uvlinesize, bS, h->chroma_qp[0], h);
644
                filter_mb_edgecv( &img_cr[2*edge], uvlinesize, bS, h->chroma_qp[1], h);
645
            }
646
        } else {
647
            filter_mb_edgeh( &img_y[4*edge*linesize], linesize, bS, qp, h );
648
            if( (edge&1) == 0 ) {
649
                filter_mb_edgech( &img_cb[2*edge*uvlinesize], uvlinesize, bS, h->chroma_qp[0], h);
650
                filter_mb_edgech( &img_cr[2*edge*uvlinesize], uvlinesize, bS, h->chroma_qp[1], h);
651
            }
652
        }
653
    }
654
}
655

    
656
void 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) {
657
    MpegEncContext * const s = &h->s;
658
    const int mb_xy= mb_x + mb_y*s->mb_stride;
659
    const int mb_type = s->current_picture.mb_type[mb_xy];
660
    const int mvy_limit = IS_INTERLACED(mb_type) ? 2 : 4;
661
    int first_vertical_edge_done = 0;
662
    av_unused int dir;
663

    
664
    if (FRAME_MBAFF
665
            // and current and left pair do not have the same interlaced type
666
            && IS_INTERLACED(mb_type^h->left_type[0])
667
            // and left mb is in available to us
668
            && h->left_type[0]) {
669
        /* First vertical edge is different in MBAFF frames
670
         * There are 8 different bS to compute and 2 different Qp
671
         */
672
        DECLARE_ALIGNED(8, int16_t, bS)[8];
673
        int qp[2];
674
        int bqp[2];
675
        int rqp[2];
676
        int mb_qp, mbn0_qp, mbn1_qp;
677
        int i;
678
        first_vertical_edge_done = 1;
679

    
680
        if( IS_INTRA(mb_type) ) {
681
            AV_WN64A(&bS[0], 0x0004000400040004ULL);
682
            AV_WN64A(&bS[4], 0x0004000400040004ULL);
683
        } else {
684
            static const uint8_t offset[2][2][8]={
685
                {
686
                    {7+8*0, 7+8*0, 7+8*0, 7+8*0, 7+8*1, 7+8*1, 7+8*1, 7+8*1},
687
                    {7+8*2, 7+8*2, 7+8*2, 7+8*2, 7+8*3, 7+8*3, 7+8*3, 7+8*3},
688
                },{
689
                    {7+8*0, 7+8*1, 7+8*2, 7+8*3, 7+8*0, 7+8*1, 7+8*2, 7+8*3},
690
                    {7+8*0, 7+8*1, 7+8*2, 7+8*3, 7+8*0, 7+8*1, 7+8*2, 7+8*3},
691
                }
692
            };
693
            const uint8_t *off= offset[MB_FIELD][mb_y&1];
694
            for( i = 0; i < 8; i++ ) {
695
                int j= MB_FIELD ? i>>2 : i&1;
696
                int mbn_xy = h->left_mb_xy[j];
697
                int mbn_type= h->left_type[j];
698

    
699
                if( IS_INTRA( mbn_type ) )
700
                    bS[i] = 4;
701
                else{
702
                    bS[i] = 1 + !!(h->non_zero_count_cache[12+8*(i>>1)] |
703
                         ((!h->pps.cabac && IS_8x8DCT(mbn_type)) ?
704
                            (h->cbp_table[mbn_xy] & ((MB_FIELD ? (i&2) : (mb_y&1)) ? 8 : 2))
705
                                                                       :
706
                            h->non_zero_count[mbn_xy][ off[i] ]));
707
                }
708
            }
709
        }
710

    
711
        mb_qp = s->current_picture.qscale_table[mb_xy];
712
        mbn0_qp = s->current_picture.qscale_table[h->left_mb_xy[0]];
713
        mbn1_qp = s->current_picture.qscale_table[h->left_mb_xy[1]];
714
        qp[0] = ( mb_qp + mbn0_qp + 1 ) >> 1;
715
        bqp[0] = ( get_chroma_qp( h, 0, mb_qp ) +
716
                   get_chroma_qp( h, 0, mbn0_qp ) + 1 ) >> 1;
717
        rqp[0] = ( get_chroma_qp( h, 1, mb_qp ) +
718
                   get_chroma_qp( h, 1, mbn0_qp ) + 1 ) >> 1;
719
        qp[1] = ( mb_qp + mbn1_qp + 1 ) >> 1;
720
        bqp[1] = ( get_chroma_qp( h, 0, mb_qp ) +
721
                   get_chroma_qp( h, 0, mbn1_qp ) + 1 ) >> 1;
722
        rqp[1] = ( get_chroma_qp( h, 1, mb_qp ) +
723
                   get_chroma_qp( h, 1, mbn1_qp ) + 1 ) >> 1;
724

    
725
        /* Filter edge */
726
        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);
727
        { int i; for (i = 0; i < 8; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
728
        if(MB_FIELD){
729
            filter_mb_mbaff_edgev ( h, img_y                ,   linesize, bS  , 1, qp [0] );
730
            filter_mb_mbaff_edgev ( h, img_y  + 8*  linesize,   linesize, bS+4, 1, qp [1] );
731
            filter_mb_mbaff_edgecv( h, img_cb,                uvlinesize, bS  , 1, bqp[0] );
732
            filter_mb_mbaff_edgecv( h, img_cb + 4*uvlinesize, uvlinesize, bS+4, 1, bqp[1] );
733
            filter_mb_mbaff_edgecv( h, img_cr,                uvlinesize, bS  , 1, rqp[0] );
734
            filter_mb_mbaff_edgecv( h, img_cr + 4*uvlinesize, uvlinesize, bS+4, 1, rqp[1] );
735
        }else{
736
            filter_mb_mbaff_edgev ( h, img_y              , 2*  linesize, bS  , 2, qp [0] );
737
            filter_mb_mbaff_edgev ( h, img_y  +   linesize, 2*  linesize, bS+1, 2, qp [1] );
738
            filter_mb_mbaff_edgecv( h, img_cb,              2*uvlinesize, bS  , 2, bqp[0] );
739
            filter_mb_mbaff_edgecv( h, img_cb + uvlinesize, 2*uvlinesize, bS+1, 2, bqp[1] );
740
            filter_mb_mbaff_edgecv( h, img_cr,              2*uvlinesize, bS  , 2, rqp[0] );
741
            filter_mb_mbaff_edgecv( h, img_cr + uvlinesize, 2*uvlinesize, bS+1, 2, rqp[1] );
742
        }
743
    }
744

    
745
#if CONFIG_SMALL
746
    for( dir = 0; dir < 2; dir++ )
747
        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);
748
#else
749
    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);
750
    filter_mb_dir(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, mb_xy, mb_type, mvy_limit, 0, 1);
751
#endif
752
}