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![Michael Niedermayer](/assets/img/avatar_default.png)
Change order of operands as gcc uses a hardcoded register per operand it seems even for static functions thus reducing unneeded moved (now functions try to pass the same argument in the same spot). Change signed int to unsigned int for array indexes as signed requires signed extension while unsigned is free. move the +52 up and merge it where it will end as a lea instruction, gcc always splits the 52 out there turning the free +52 into an expensive one otherwise. The changed code becomes a little faster. Originally committed as revision 21375 to svn://svn.ffmpeg.org/ffmpeg/trunk
705 lines
33 KiB
C
705 lines
33 KiB
C
/*
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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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*/
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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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//#undef NDEBUG
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#include <assert.h>
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/* Deblocking filter (p153) */
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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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static void av_noinline filter_mb_edgev( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h) {
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const unsigned int index_a = 52 + 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+52)[qp + h->slice_beta_offset];
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if (alpha ==0 || beta == 0) return;
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if( bS[0] < 4 ) {
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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);
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} else {
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h->s.dsp.h264_h_loop_filter_luma_intra(pix, stride, alpha, beta);
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}
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}
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static void av_noinline filter_mb_edgecv( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h ) {
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const unsigned int index_a = 52 + 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+52)[qp + h->slice_beta_offset];
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if (alpha ==0 || beta == 0) return;
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if( bS[0] < 4 ) {
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int8_t tc[4];
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tc[0] = tc0_table[index_a][bS[0]]+1;
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tc[1] = tc0_table[index_a][bS[1]]+1;
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tc[2] = tc0_table[index_a][bS[2]]+1;
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tc[3] = tc0_table[index_a][bS[3]]+1;
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h->s.dsp.h264_h_loop_filter_chroma(pix, stride, alpha, beta, tc);
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} else {
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h->s.dsp.h264_h_loop_filter_chroma_intra(pix, stride, alpha, beta);
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}
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}
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static void filter_mb_mbaff_edgev( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int bsi, int qp ) {
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int i;
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for( i = 0; i < 8; i++, pix += stride) {
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int index_a;
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int alpha;
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int beta;
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const int bS_index = (i >> 1) * bsi;
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if( bS[bS_index] == 0 ) {
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continue;
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}
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index_a = qp + h->slice_alpha_c0_offset;
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alpha = (alpha_table+52)[index_a];
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beta = (beta_table+52)[qp + h->slice_beta_offset];
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if( bS[bS_index] < 4 ) {
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const int tc0 = (tc0_table+52)[index_a][bS[bS_index]];
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const int p0 = pix[-1];
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const int p1 = pix[-2];
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const int p2 = pix[-3];
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const int q0 = pix[0];
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const int q1 = pix[1];
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const int q2 = pix[2];
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if( FFABS( p0 - q0 ) < alpha &&
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FFABS( p1 - p0 ) < beta &&
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FFABS( q1 - q0 ) < beta ) {
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int tc = tc0;
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int i_delta;
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if( FFABS( p2 - p0 ) < beta ) {
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pix[-2] = p1 + av_clip( ( p2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( p1 << 1 ) ) >> 1, -tc0, tc0 );
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tc++;
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}
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if( FFABS( q2 - q0 ) < beta ) {
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pix[1] = q1 + av_clip( ( q2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( q1 << 1 ) ) >> 1, -tc0, tc0 );
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tc++;
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}
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i_delta = av_clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
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pix[-1] = av_clip_uint8( p0 + i_delta ); /* p0' */
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pix[0] = av_clip_uint8( q0 - i_delta ); /* q0' */
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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);
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}
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}else{
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const int p0 = pix[-1];
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const int p1 = pix[-2];
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const int p2 = pix[-3];
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const int q0 = pix[0];
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const int q1 = pix[1];
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const int q2 = pix[2];
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if( FFABS( p0 - q0 ) < alpha &&
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FFABS( p1 - p0 ) < beta &&
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FFABS( q1 - q0 ) < beta ) {
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if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
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if( FFABS( p2 - p0 ) < beta)
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{
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const int p3 = pix[-4];
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/* p0', p1', p2' */
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pix[-1] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;
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pix[-2] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;
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pix[-3] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3;
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} else {
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/* p0' */
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pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
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}
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if( FFABS( q2 - q0 ) < beta)
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{
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const int q3 = pix[3];
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/* q0', q1', q2' */
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pix[0] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;
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pix[1] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;
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pix[2] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3;
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} else {
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/* q0' */
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pix[0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
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}
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}else{
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/* p0', q0' */
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pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
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pix[ 0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
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}
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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]);
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}
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}
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}
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}
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static void filter_mb_mbaff_edgecv( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int bsi, int qp ) {
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int i;
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for( i = 0; i < 4; i++, pix += stride) {
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int index_a;
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int alpha;
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int beta;
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const int bS_index = i*bsi;
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if( bS[bS_index] == 0 ) {
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continue;
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}
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index_a = qp + h->slice_alpha_c0_offset;
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alpha = (alpha_table+52)[index_a];
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beta = (beta_table+52)[qp + h->slice_beta_offset];
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if( bS[bS_index] < 4 ) {
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const int tc = (tc0_table+52)[index_a][bS[bS_index]] + 1;
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const int p0 = pix[-1];
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const int p1 = pix[-2];
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const int q0 = pix[0];
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const int q1 = pix[1];
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if( FFABS( p0 - q0 ) < alpha &&
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FFABS( p1 - p0 ) < beta &&
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FFABS( q1 - q0 ) < beta ) {
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const int i_delta = av_clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
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pix[-1] = av_clip_uint8( p0 + i_delta ); /* p0' */
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pix[0] = av_clip_uint8( q0 - i_delta ); /* q0' */
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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);
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}
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}else{
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const int p0 = pix[-1];
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const int p1 = pix[-2];
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const int q0 = pix[0];
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const int q1 = pix[1];
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if( FFABS( p0 - q0 ) < alpha &&
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FFABS( p1 - p0 ) < beta &&
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FFABS( q1 - q0 ) < beta ) {
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pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2; /* p0' */
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pix[0] = ( 2*q1 + q0 + p1 + 2 ) >> 2; /* q0' */
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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]);
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}
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}
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}
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}
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static void av_noinline filter_mb_edgeh( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h ) {
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const unsigned int index_a = 52 + 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+52)[qp + h->slice_beta_offset];
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if (alpha ==0 || beta == 0) return;
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if( bS[0] < 4 ) {
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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_v_loop_filter_luma(pix, stride, alpha, beta, tc);
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} else {
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h->s.dsp.h264_v_loop_filter_luma_intra(pix, stride, alpha, beta);
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}
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}
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static void av_noinline filter_mb_edgech( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h ) {
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const unsigned int index_a = 52 + 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+52)[qp + h->slice_beta_offset];
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if (alpha ==0 || beta == 0) return;
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if( bS[0] < 4 ) {
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int8_t tc[4];
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tc[0] = tc0_table[index_a][bS[0]]+1;
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tc[1] = tc0_table[index_a][bS[1]]+1;
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tc[2] = tc0_table[index_a][bS[2]]+1;
|
|
tc[3] = tc0_table[index_a][bS[3]]+1;
|
|
h->s.dsp.h264_v_loop_filter_chroma(pix, stride, alpha, beta, tc);
|
|
} else {
|
|
h->s.dsp.h264_v_loop_filter_chroma_intra(pix, stride, alpha, beta);
|
|
}
|
|
}
|
|
|
|
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) {
|
|
MpegEncContext * const s = &h->s;
|
|
int mb_y_firstrow = s->picture_structure == PICT_BOTTOM_FIELD;
|
|
int mb_xy, mb_type;
|
|
int qp, qp0, qp1, qpc, qpc0, qpc1, qp_thresh;
|
|
|
|
mb_xy = h->mb_xy;
|
|
|
|
if(mb_x==0 || mb_y==mb_y_firstrow || !s->dsp.h264_loop_filter_strength || h->pps.chroma_qp_diff ||
|
|
(h->deblocking_filter == 2 && (h->slice_num != h->slice_table[h->top_mb_xy] ||
|
|
h->slice_num != h->slice_table[mb_xy - 1]))) {
|
|
ff_h264_filter_mb(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize);
|
|
return;
|
|
}
|
|
assert(!FRAME_MBAFF);
|
|
|
|
mb_type = s->current_picture.mb_type[mb_xy];
|
|
qp = s->current_picture.qscale_table[mb_xy];
|
|
qp0 = s->current_picture.qscale_table[mb_xy-1];
|
|
qp1 = s->current_picture.qscale_table[h->top_mb_xy];
|
|
qpc = get_chroma_qp( h, 0, qp );
|
|
qpc0 = get_chroma_qp( h, 0, qp0 );
|
|
qpc1 = get_chroma_qp( h, 0, qp1 );
|
|
qp0 = (qp + qp0 + 1) >> 1;
|
|
qp1 = (qp + qp1 + 1) >> 1;
|
|
qpc0 = (qpc + qpc0 + 1) >> 1;
|
|
qpc1 = (qpc + qpc1 + 1) >> 1;
|
|
qp_thresh = 15 - h->slice_alpha_c0_offset;
|
|
if(qp <= qp_thresh && qp0 <= qp_thresh && qp1 <= qp_thresh &&
|
|
qpc <= qp_thresh && qpc0 <= qp_thresh && qpc1 <= qp_thresh)
|
|
return;
|
|
|
|
if( IS_INTRA(mb_type) ) {
|
|
int16_t bS4[4] = {4,4,4,4};
|
|
int16_t bS3[4] = {3,3,3,3};
|
|
int16_t *bSH = FIELD_PICTURE ? bS3 : bS4;
|
|
if( IS_8x8DCT(mb_type) ) {
|
|
filter_mb_edgev( &img_y[4*0], linesize, bS4, qp0, h);
|
|
filter_mb_edgev( &img_y[4*2], linesize, bS3, qp, h);
|
|
filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, h);
|
|
filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, h);
|
|
} else {
|
|
filter_mb_edgev( &img_y[4*0], linesize, bS4, qp0, h);
|
|
filter_mb_edgev( &img_y[4*1], linesize, bS3, qp, h);
|
|
filter_mb_edgev( &img_y[4*2], linesize, bS3, qp, h);
|
|
filter_mb_edgev( &img_y[4*3], linesize, bS3, qp, h);
|
|
filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, h);
|
|
filter_mb_edgeh( &img_y[4*1*linesize], linesize, bS3, qp, h);
|
|
filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, h);
|
|
filter_mb_edgeh( &img_y[4*3*linesize], linesize, bS3, qp, h);
|
|
}
|
|
filter_mb_edgecv( &img_cb[2*0], uvlinesize, bS4, qpc0, h);
|
|
filter_mb_edgecv( &img_cb[2*2], uvlinesize, bS3, qpc, h);
|
|
filter_mb_edgecv( &img_cr[2*0], uvlinesize, bS4, qpc0, h);
|
|
filter_mb_edgecv( &img_cr[2*2], uvlinesize, bS3, qpc, h);
|
|
filter_mb_edgech( &img_cb[2*0*uvlinesize], uvlinesize, bSH, qpc1, h);
|
|
filter_mb_edgech( &img_cb[2*2*uvlinesize], uvlinesize, bS3, qpc, h);
|
|
filter_mb_edgech( &img_cr[2*0*uvlinesize], uvlinesize, bSH, qpc1, h);
|
|
filter_mb_edgech( &img_cr[2*2*uvlinesize], uvlinesize, bS3, qpc, h);
|
|
return;
|
|
} else {
|
|
DECLARE_ALIGNED_8(int16_t, bS[2][4][4]);
|
|
uint64_t (*bSv)[4] = (uint64_t(*)[4])bS;
|
|
int edges;
|
|
if( IS_8x8DCT(mb_type) && (h->cbp&7) == 7 ) {
|
|
edges = 4;
|
|
bSv[0][0] = bSv[0][2] = bSv[1][0] = bSv[1][2] = 0x0002000200020002ULL;
|
|
} else {
|
|
int mask_edge1 = (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16)) ? 3 :
|
|
(mb_type & MB_TYPE_16x8) ? 1 : 0;
|
|
int mask_edge0 = (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16))
|
|
&& (s->current_picture.mb_type[mb_xy-1] & (MB_TYPE_16x16 | MB_TYPE_8x16))
|
|
? 3 : 0;
|
|
int step = IS_8x8DCT(mb_type) ? 2 : 1;
|
|
edges = (mb_type & MB_TYPE_16x16) && !(h->cbp & 15) ? 1 : 4;
|
|
s->dsp.h264_loop_filter_strength( bS, h->non_zero_count_cache, h->ref_cache, h->mv_cache,
|
|
(h->slice_type_nos == FF_B_TYPE), edges, step, mask_edge0, mask_edge1, FIELD_PICTURE);
|
|
}
|
|
if( IS_INTRA(s->current_picture.mb_type[mb_xy-1]) )
|
|
bSv[0][0] = 0x0004000400040004ULL;
|
|
if( IS_INTRA(s->current_picture.mb_type[h->top_mb_xy]) )
|
|
bSv[1][0] = FIELD_PICTURE ? 0x0003000300030003ULL : 0x0004000400040004ULL;
|
|
|
|
#define FILTER(hv,dir,edge)\
|
|
if(bSv[dir][edge]) {\
|
|
filter_mb_edge##hv( &img_y[4*edge*(dir?linesize:1)], linesize, bS[dir][edge], edge ? qp : qp##dir, h );\
|
|
if(!(edge&1)) {\
|
|
filter_mb_edgec##hv( &img_cb[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, h );\
|
|
filter_mb_edgec##hv( &img_cr[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, h );\
|
|
}\
|
|
}
|
|
if( edges == 1 ) {
|
|
FILTER(v,0,0);
|
|
FILTER(h,1,0);
|
|
} else if( IS_8x8DCT(mb_type) ) {
|
|
FILTER(v,0,0);
|
|
FILTER(v,0,2);
|
|
FILTER(h,1,0);
|
|
FILTER(h,1,2);
|
|
} else {
|
|
FILTER(v,0,0);
|
|
FILTER(v,0,1);
|
|
FILTER(v,0,2);
|
|
FILTER(v,0,3);
|
|
FILTER(h,1,0);
|
|
FILTER(h,1,1);
|
|
FILTER(h,1,2);
|
|
FILTER(h,1,3);
|
|
}
|
|
#undef FILTER
|
|
}
|
|
}
|
|
|
|
|
|
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) {
|
|
MpegEncContext * const s = &h->s;
|
|
int edge;
|
|
const int mbm_xy = dir == 0 ? mb_xy -1 : h->top_mb_xy;
|
|
const int mbm_type = s->current_picture.mb_type[mbm_xy];
|
|
|
|
const int edges = (mb_type & (MB_TYPE_16x16|MB_TYPE_SKIP))
|
|
== (MB_TYPE_16x16|MB_TYPE_SKIP) ? 1 : 4;
|
|
// how often to recheck mv-based bS when iterating between edges
|
|
static const uint8_t mask_edge_tab[2][8]={{0,3,3,3,1,1,1,1},
|
|
{0,3,1,1,3,3,3,3}};
|
|
const int mask_edge = mask_edge_tab[dir][(mb_type>>3)&7];
|
|
// how often to recheck mv-based bS when iterating along each edge
|
|
const int mask_par0 = mb_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir));
|
|
int start = h->slice_table[mbm_xy] == 0xFFFF
|
|
|| first_vertical_edge_done
|
|
|| (h->deblocking_filter==2 && h->slice_table[mbm_xy] != h->slice_num);
|
|
|
|
|
|
if (FRAME_MBAFF && (dir == 1) && ((mb_y&1) == 0) && start == 0
|
|
&& IS_INTERLACED(mbm_type&~mb_type)
|
|
) {
|
|
// This is a special case in the norm where the filtering must
|
|
// be done twice (one each of the field) even if we are in a
|
|
// frame macroblock.
|
|
//
|
|
unsigned int tmp_linesize = 2 * linesize;
|
|
unsigned int tmp_uvlinesize = 2 * uvlinesize;
|
|
int mbn_xy = mb_xy - 2 * s->mb_stride;
|
|
int j;
|
|
|
|
for(j=0; j<2; j++, mbn_xy += s->mb_stride){
|
|
DECLARE_ALIGNED_8(int16_t, bS[4]);
|
|
int qp;
|
|
if( IS_INTRA(mb_type|s->current_picture.mb_type[mbn_xy]) ) {
|
|
*(uint64_t*)bS= 0x0003000300030003ULL;
|
|
} else {
|
|
const uint8_t *mbn_nnz = h->non_zero_count[mbn_xy] + 4+3*8;
|
|
int i;
|
|
for( i = 0; i < 4; i++ ) {
|
|
bS[i] = 1 + !!(h->non_zero_count_cache[scan8[0]+i] | mbn_nnz[i]);
|
|
}
|
|
}
|
|
// Do not use s->qscale as luma quantizer because it has not the same
|
|
// value in IPCM macroblocks.
|
|
qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;
|
|
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);
|
|
{ int i; for (i = 0; i < 4; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
|
|
filter_mb_edgeh( &img_y[j*linesize], tmp_linesize, bS, qp, h );
|
|
filter_mb_edgech( &img_cb[j*uvlinesize], tmp_uvlinesize, bS,
|
|
( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1, h);
|
|
filter_mb_edgech( &img_cr[j*uvlinesize], tmp_uvlinesize, bS,
|
|
( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1, h);
|
|
}
|
|
|
|
start = 1;
|
|
}
|
|
|
|
/* Calculate bS */
|
|
for( edge = start; edge < edges; edge++ ) {
|
|
/* mbn_xy: neighbor macroblock */
|
|
const int mbn_xy = edge > 0 ? mb_xy : mbm_xy;
|
|
const int mbn_type = s->current_picture.mb_type[mbn_xy];
|
|
DECLARE_ALIGNED_8(int16_t, bS[4]);
|
|
int qp;
|
|
|
|
if( (edge&1) && IS_8x8DCT(mb_type) )
|
|
continue;
|
|
|
|
if( IS_INTRA(mb_type|mbn_type)) {
|
|
*(uint64_t*)bS= 0x0003000300030003ULL;
|
|
if (edge == 0) {
|
|
if ( (!IS_INTERLACED(mb_type|mbm_type))
|
|
|| ((FRAME_MBAFF || (s->picture_structure != PICT_FRAME)) && (dir == 0))
|
|
)
|
|
*(uint64_t*)bS= 0x0004000400040004ULL;
|
|
}
|
|
} else {
|
|
int i, l;
|
|
int mv_done;
|
|
|
|
if( edge & mask_edge ) {
|
|
*(uint64_t*)bS= 0;
|
|
mv_done = 1;
|
|
}
|
|
else if( FRAME_MBAFF && IS_INTERLACED(mb_type ^ mbn_type)) {
|
|
*(uint64_t*)bS= 0x0001000100010001ULL;
|
|
mv_done = 1;
|
|
}
|
|
else if( mask_par0 && (edge || (mbn_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir)))) ) {
|
|
int b_idx= 8 + 4 + edge * (dir ? 8:1);
|
|
int bn_idx= b_idx - (dir ? 8:1);
|
|
int v = 0;
|
|
|
|
for( l = 0; !v && l < 1 + (h->slice_type_nos == FF_B_TYPE); l++ ) {
|
|
v |= h->ref_cache[l][b_idx] != h->ref_cache[l][bn_idx] |
|
|
h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] + 3 >= 7U |
|
|
FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= mvy_limit;
|
|
}
|
|
|
|
if(h->slice_type_nos == FF_B_TYPE && v){
|
|
v=0;
|
|
for( l = 0; !v && l < 2; l++ ) {
|
|
int ln= 1-l;
|
|
v |= h->ref_cache[l][b_idx] != h->ref_cache[ln][bn_idx] |
|
|
h->mv_cache[l][b_idx][0] - h->mv_cache[ln][bn_idx][0] + 3 >= 7U |
|
|
FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[ln][bn_idx][1] ) >= mvy_limit;
|
|
}
|
|
}
|
|
|
|
bS[0] = bS[1] = bS[2] = bS[3] = v;
|
|
mv_done = 1;
|
|
}
|
|
else
|
|
mv_done = 0;
|
|
|
|
for( i = 0; i < 4; i++ ) {
|
|
int x = dir == 0 ? edge : i;
|
|
int y = dir == 0 ? i : edge;
|
|
int b_idx= 8 + 4 + x + 8*y;
|
|
int bn_idx= b_idx - (dir ? 8:1);
|
|
|
|
if( h->non_zero_count_cache[b_idx] |
|
|
h->non_zero_count_cache[bn_idx] ) {
|
|
bS[i] = 2;
|
|
}
|
|
else if(!mv_done)
|
|
{
|
|
bS[i] = 0;
|
|
for( l = 0; l < 1 + (h->slice_type_nos == FF_B_TYPE); l++ ) {
|
|
if( h->ref_cache[l][b_idx] != h->ref_cache[l][bn_idx] |
|
|
h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] + 3 >= 7U |
|
|
FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= mvy_limit ) {
|
|
bS[i] = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if(h->slice_type_nos == FF_B_TYPE && bS[i]){
|
|
bS[i] = 0;
|
|
for( l = 0; l < 2; l++ ) {
|
|
int ln= 1-l;
|
|
if( h->ref_cache[l][b_idx] != h->ref_cache[ln][bn_idx] |
|
|
h->mv_cache[l][b_idx][0] - h->mv_cache[ln][bn_idx][0] + 3 >= 7U |
|
|
FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[ln][bn_idx][1] ) >= mvy_limit ) {
|
|
bS[i] = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if(bS[0]+bS[1]+bS[2]+bS[3] == 0)
|
|
continue;
|
|
}
|
|
|
|
/* Filter edge */
|
|
// Do not use s->qscale as luma quantizer because it has not the same
|
|
// value in IPCM macroblocks.
|
|
qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;
|
|
//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]);
|
|
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);
|
|
//{ int i; for (i = 0; i < 4; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
|
|
if( dir == 0 ) {
|
|
filter_mb_edgev( &img_y[4*edge], linesize, bS, qp, h );
|
|
if( (edge&1) == 0 ) {
|
|
int qp= ( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
|
|
filter_mb_edgecv( &img_cb[2*edge], uvlinesize, bS, qp, h);
|
|
if(h->pps.chroma_qp_diff)
|
|
qp= ( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
|
|
filter_mb_edgecv( &img_cr[2*edge], uvlinesize, bS, qp, h);
|
|
}
|
|
} else {
|
|
filter_mb_edgeh( &img_y[4*edge*linesize], linesize, bS, qp, h );
|
|
if( (edge&1) == 0 ) {
|
|
int qp= ( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
|
|
filter_mb_edgech( &img_cb[2*edge*uvlinesize], uvlinesize, bS, qp, h);
|
|
if(h->pps.chroma_qp_diff)
|
|
qp= ( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
|
|
filter_mb_edgech( &img_cr[2*edge*uvlinesize], uvlinesize, bS, qp, h);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
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) {
|
|
MpegEncContext * const s = &h->s;
|
|
const int mb_xy= mb_x + mb_y*s->mb_stride;
|
|
const int mb_type = s->current_picture.mb_type[mb_xy];
|
|
const int mvy_limit = IS_INTERLACED(mb_type) ? 2 : 4;
|
|
int first_vertical_edge_done = 0;
|
|
av_unused int dir;
|
|
int list;
|
|
|
|
if (FRAME_MBAFF
|
|
// left mb is in picture
|
|
&& h->slice_table[mb_xy-1] != 0xFFFF
|
|
// and current and left pair do not have the same interlaced type
|
|
&& IS_INTERLACED(mb_type^s->current_picture.mb_type[mb_xy-1])
|
|
// and left mb is in the same slice if deblocking_filter == 2
|
|
&& (h->deblocking_filter!=2 || h->slice_table[mb_xy-1] == h->slice_num)) {
|
|
/* First vertical edge is different in MBAFF frames
|
|
* There are 8 different bS to compute and 2 different Qp
|
|
*/
|
|
const int pair_xy = mb_x + (mb_y&~1)*s->mb_stride;
|
|
const int left_mb_xy[2] = { pair_xy-1, pair_xy-1+s->mb_stride };
|
|
DECLARE_ALIGNED_8(int16_t, bS[8]);
|
|
int qp[2];
|
|
int bqp[2];
|
|
int rqp[2];
|
|
int mb_qp, mbn0_qp, mbn1_qp;
|
|
int i;
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first_vertical_edge_done = 1;
|
|
|
|
if( IS_INTRA(mb_type) )
|
|
*(uint64_t*)&bS[0]=
|
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*(uint64_t*)&bS[4]= 0x0004000400040004ULL;
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else {
|
|
for( i = 0; i < 8; i++ ) {
|
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int mbn_xy = MB_FIELD ? left_mb_xy[i>>2] : left_mb_xy[i&1];
|
|
|
|
if( IS_INTRA( s->current_picture.mb_type[mbn_xy] ) )
|
|
bS[i] = 4;
|
|
else if( h->non_zero_count_cache[12+8*(i>>1)] != 0 ||
|
|
((!h->pps.cabac && IS_8x8DCT(s->current_picture.mb_type[mbn_xy])) ?
|
|
(h->cbp_table[mbn_xy] & ((MB_FIELD ? (i&2) : (mb_y&1)) ? 8 : 2))
|
|
:
|
|
h->non_zero_count[mbn_xy][7+(MB_FIELD ? (i&3) : (i>>2)+(mb_y&1)*2)*8]))
|
|
bS[i] = 2;
|
|
else
|
|
bS[i] = 1;
|
|
}
|
|
}
|
|
|
|
mb_qp = s->current_picture.qscale_table[mb_xy];
|
|
mbn0_qp = s->current_picture.qscale_table[left_mb_xy[0]];
|
|
mbn1_qp = s->current_picture.qscale_table[left_mb_xy[1]];
|
|
qp[0] = ( mb_qp + mbn0_qp + 1 ) >> 1;
|
|
bqp[0] = ( get_chroma_qp( h, 0, mb_qp ) +
|
|
get_chroma_qp( h, 0, mbn0_qp ) + 1 ) >> 1;
|
|
rqp[0] = ( get_chroma_qp( h, 1, mb_qp ) +
|
|
get_chroma_qp( h, 1, mbn0_qp ) + 1 ) >> 1;
|
|
qp[1] = ( mb_qp + mbn1_qp + 1 ) >> 1;
|
|
bqp[1] = ( get_chroma_qp( h, 0, mb_qp ) +
|
|
get_chroma_qp( h, 0, mbn1_qp ) + 1 ) >> 1;
|
|
rqp[1] = ( get_chroma_qp( h, 1, mb_qp ) +
|
|
get_chroma_qp( h, 1, mbn1_qp ) + 1 ) >> 1;
|
|
|
|
/* Filter edge */
|
|
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);
|
|
{ int i; for (i = 0; i < 8; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
|
|
if(MB_FIELD){
|
|
filter_mb_mbaff_edgev ( h, img_y , linesize, bS , 1, qp [0] );
|
|
filter_mb_mbaff_edgev ( h, img_y + 8* linesize, linesize, bS+4, 1, qp [1] );
|
|
filter_mb_mbaff_edgecv( h, img_cb, uvlinesize, bS , 1, bqp[0] );
|
|
filter_mb_mbaff_edgecv( h, img_cb + 4*uvlinesize, uvlinesize, bS+4, 1, bqp[1] );
|
|
filter_mb_mbaff_edgecv( h, img_cr, uvlinesize, bS , 1, rqp[0] );
|
|
filter_mb_mbaff_edgecv( h, img_cr + 4*uvlinesize, uvlinesize, bS+4, 1, rqp[1] );
|
|
}else{
|
|
filter_mb_mbaff_edgev ( h, img_y , 2* linesize, bS , 2, qp [0] );
|
|
filter_mb_mbaff_edgev ( h, img_y + linesize, 2* linesize, bS+1, 2, qp [1] );
|
|
filter_mb_mbaff_edgecv( h, img_cb, 2*uvlinesize, bS , 2, bqp[0] );
|
|
filter_mb_mbaff_edgecv( h, img_cb + uvlinesize, 2*uvlinesize, bS+1, 2, bqp[1] );
|
|
filter_mb_mbaff_edgecv( h, img_cr, 2*uvlinesize, bS , 2, rqp[0] );
|
|
filter_mb_mbaff_edgecv( h, img_cr + uvlinesize, 2*uvlinesize, bS+1, 2, rqp[1] );
|
|
}
|
|
}
|
|
|
|
#if CONFIG_SMALL
|
|
for( dir = 0; dir < 2; dir++ )
|
|
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);
|
|
#else
|
|
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);
|
|
filter_mb_dir(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, mb_xy, mb_type, mvy_limit, 0, 1);
|
|
#endif
|
|
}
|