737 lines
27 KiB
C
737 lines
27 KiB
C
/*****************************************************************************
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* frame.c: h264 encoder library
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*****************************************************************************
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* Copyright (C) 2003 Laurent Aimar
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* $Id: frame.c,v 1.1 2004/06/03 19:27:06 fenrir Exp $
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*
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* Authors: Laurent Aimar <fenrir@via.ecp.fr>
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*
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* This program is CC_free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
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*****************************************************************************/
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#include <stdio.h>
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#include <string.h>
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#include "common.h"
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#define PADH 32
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#define PADV 32
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x264_frame_t *x264_frame_new( x264_t *h )
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{
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x264_frame_t *frame = x264_malloc( sizeof(x264_frame_t) );
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int i, j;
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int i_mb_count = h->mb.i_mb_count;
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int i_stride;
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int i_lines;
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int i_padv = PADV << h->param.b_interlaced;
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if( !frame ) return NULL;
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memset( frame, 0, sizeof(x264_frame_t) );
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/* allocate frame data (+64 for extra data for me) */
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i_stride = ( ( h->param.i_width + 15 ) & -16 )+ 2*PADH;
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i_lines = ( ( h->param.i_height + 15 ) & -16 );
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if( h->param.b_interlaced )
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i_lines = ( i_lines + 31 ) & -32;
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frame->i_plane = 3;
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for( i = 0; i < 3; i++ )
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{
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int i_divh = 1;
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int i_divw = 1;
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if( i > 0 )
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{
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if( h->param.i_csp == X264_CSP_I420 )
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i_divh = i_divw = 2;
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else if( h->param.i_csp == X264_CSP_I422 )
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i_divw = 2;
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}
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frame->i_stride[i] = i_stride / i_divw;
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frame->i_lines[i] = i_lines / i_divh;
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CHECKED_MALLOC( frame->buffer[i],
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frame->i_stride[i] * ( frame->i_lines[i] + 2*i_padv / i_divh ) );
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frame->plane[i] = ((uint8_t*)frame->buffer[i]) +
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frame->i_stride[i] * i_padv / i_divh + PADH / i_divw;
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}
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frame->i_stride[3] = 0;
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frame->i_lines[3] = 0;
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frame->buffer[3] = NULL;
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frame->plane[3] = NULL;
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frame->filtered[0] = frame->plane[0];
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for( i = 0; i < 3; i++ )
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{
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CHECKED_MALLOC( frame->buffer[4+i],
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frame->i_stride[0] * ( frame->i_lines[0] + 2*i_padv ) );
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frame->filtered[i+1] = ((uint8_t*)frame->buffer[4+i]) +
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frame->i_stride[0] * i_padv + PADH;
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}
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if( h->frames.b_have_lowres )
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{
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frame->i_stride_lowres = frame->i_stride[0]/2 + PADH;
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frame->i_lines_lowres = frame->i_lines[0]/2;
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for( i = 0; i < 4; i++ )
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{
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CHECKED_MALLOC( frame->buffer_lowres[i],
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frame->i_stride_lowres * ( frame->i_lines[0]/2 + 2*i_padv ) );
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frame->lowres[i] = ((uint8_t*)frame->buffer_lowres[i]) +
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frame->i_stride_lowres * i_padv + PADH;
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}
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}
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if( h->param.analyse.i_me_method == X264_ME_ESA )
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{
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CHECKED_MALLOC( frame->buffer[7],
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2 * frame->i_stride[0] * (frame->i_lines[0] + 2*i_padv) * sizeof(uint16_t) );
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frame->integral = (uint16_t*)frame->buffer[7] + frame->i_stride[0] * i_padv + PADH;
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}
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frame->i_poc = -1;
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frame->i_type = X264_TYPE_AUTO;
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frame->i_qpplus1 = 0;
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frame->i_pts = -1;
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frame->i_frame = -1;
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frame->i_frame_num = -1;
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CHECKED_MALLOC( frame->mb_type, i_mb_count * sizeof(int8_t));
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CHECKED_MALLOC( frame->mv[0], 2*16 * i_mb_count * sizeof(int16_t) );
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CHECKED_MALLOC( frame->ref[0], 4 * i_mb_count * sizeof(int8_t) );
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if( h->param.i_bframe )
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{
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CHECKED_MALLOC( frame->mv[1], 2*16 * i_mb_count * sizeof(int16_t) );
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CHECKED_MALLOC( frame->ref[1], 4 * i_mb_count * sizeof(int8_t) );
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}
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else
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{
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frame->mv[1] = NULL;
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frame->ref[1] = NULL;
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}
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CHECKED_MALLOC( frame->i_row_bits, i_lines/16 * sizeof(int) );
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CHECKED_MALLOC( frame->i_row_qp, i_lines/16 * sizeof(int) );
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for( i = 0; i < h->param.i_bframe + 2; i++ )
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for( j = 0; j < h->param.i_bframe + 2; j++ )
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CHECKED_MALLOC( frame->i_row_satds[i][j], i_lines/16 * sizeof(int) );
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return frame;
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fail:
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x264_frame_delete( frame );
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return NULL;
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}
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void x264_frame_delete( x264_frame_t *frame )
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{
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int i, j;
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for( i = 0; i < 8; i++ )
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x264_free( frame->buffer[i] );
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for( i = 0; i < 4; i++ )
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x264_free( frame->buffer_lowres[i] );
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for( i = 0; i < X264_BFRAME_MAX+2; i++ )
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for( j = 0; j < X264_BFRAME_MAX+2; j++ )
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x264_free( frame->i_row_satds[i][j] );
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x264_free( frame->i_row_bits );
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x264_free( frame->i_row_qp );
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x264_free( frame->mb_type );
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x264_free( frame->mv[0] );
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x264_free( frame->mv[1] );
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x264_free( frame->ref[0] );
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x264_free( frame->ref[1] );
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x264_free( frame );
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}
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void x264_frame_copy_picture( x264_t *h, x264_frame_t *dst, x264_picture_t *src )
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{
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int i_csp = src->img.i_csp & X264_CSP_MASK;
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dst->i_type = src->i_type;
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dst->i_qpplus1 = src->i_qpplus1;
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dst->i_pts = src->i_pts;
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if( i_csp <= X264_CSP_NONE || i_csp >= X264_CSP_MAX )
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x264_log( h, X264_LOG_ERROR, "Arg invalid CSP\n" );
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else
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h->csp.convert[i_csp]( &h->mc, dst, &src->img, h->param.i_width, h->param.i_height );
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}
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static void plane_expand_border( uint8_t *pix, int i_stride, int i_width, int i_height, int i_padh, int i_padv )
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{
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#define PPIXEL(x, y) ( pix + (x) + (y)*i_stride )
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int y;
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for( y = 0; y < i_height; y++ )
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{
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/* left band */
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memset( PPIXEL(-i_padh, y), PPIXEL(0, y)[0], i_padh );
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/* right band */
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memset( PPIXEL(i_width, y), PPIXEL(i_width-1, y)[0], i_padh );
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}
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/* upper band */
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for( y = 0; y < i_padv; y++ )
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memcpy( PPIXEL(-i_padh, -y-1), PPIXEL(-i_padh, 0), i_width+2*i_padh );
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/* lower band */
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for( y = 0; y < i_padv; y++ )
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memcpy( PPIXEL(-i_padh, i_height+y), PPIXEL(-i_padh, i_height-1), i_width+2*i_padh );
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#undef PPIXEL
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}
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void x264_frame_expand_border( x264_t *h, x264_frame_t *frame )
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{
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int i;
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for( i = 0; i < frame->i_plane; i++ )
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{
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int stride = frame->i_stride[i];
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int width = 16*h->sps->i_mb_width >> !!i;
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int height = 16*h->sps->i_mb_height >> !!i;
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int padh = PADH >> !!i;
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int padv = PADV >> !!i;
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if( h->param.b_interlaced )
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{
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plane_expand_border( frame->plane[i], stride*2, width, height>>1, padh, padv );
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plane_expand_border( frame->plane[i]+stride, stride*2, width, height>>1, padh, padv );
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}
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else
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{
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plane_expand_border( frame->plane[i], stride, width, height, padh, padv );
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}
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}
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}
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void x264_frame_expand_border_filtered( x264_t *h, x264_frame_t *frame )
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{
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/* during filtering, 8 extra pixels were filtered on each edge.
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we want to expand border from the last filtered pixel */
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int stride = frame->i_stride[0];
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int width = 16*h->sps->i_mb_width;
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int height = 16*h->sps->i_mb_height;
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int padh = PADH - 8;
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int padv = PADV - 8;
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int i;
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for( i = 1; i < 4; i++ )
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{
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if( h->param.b_interlaced )
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{
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plane_expand_border( frame->filtered[i] - 16*stride - 8, stride*2, width+16, (height>>1)+16, padh, padv );
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plane_expand_border( frame->filtered[i] - 15*stride - 8, stride*2, width+16, (height>>1)+16, padh, padv );
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}
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else
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{
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plane_expand_border( frame->filtered[i] - 8*stride - 8, stride, width+16, height+16, padh, padv );
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}
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}
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}
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void x264_frame_expand_border_lowres( x264_frame_t *frame )
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{
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int i;
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for( i = 0; i < 4; i++ )
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plane_expand_border( frame->lowres[i], frame->i_stride_lowres, frame->i_stride_lowres - 2*PADH, frame->i_lines_lowres, PADH, PADV );
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}
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void x264_frame_expand_border_mod16( x264_t *h, x264_frame_t *frame )
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{
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int i, y;
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for( i = 0; i < frame->i_plane; i++ )
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{
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int i_subsample = i ? 1 : 0;
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int i_width = h->param.i_width >> i_subsample;
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int i_height = h->param.i_height >> i_subsample;
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int i_padx = ( h->sps->i_mb_width * 16 - h->param.i_width ) >> i_subsample;
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int i_pady = ( h->sps->i_mb_height * 16 - h->param.i_height ) >> i_subsample;
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if( i_padx )
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{
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for( y = 0; y < i_height; y++ )
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memset( &frame->plane[i][y*frame->i_stride[i] + i_width],
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frame->plane[i][y*frame->i_stride[i] + i_width - 1],
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i_padx );
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}
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if( i_pady )
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{
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//FIXME interlace? or just let it pad using the wrong field
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for( y = i_height; y < i_height + i_pady; y++ )
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memcpy( &frame->plane[i][y*frame->i_stride[i]],
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&frame->plane[i][(i_height-1)*frame->i_stride[i]],
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i_width + i_padx );
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}
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}
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}
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/* Deblocking filter */
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static const int i_alpha_table[52] =
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{
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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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};
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static const int i_beta_table[52] =
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{
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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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};
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static const int i_tc0_table[52][3] =
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{
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{ 0, 0, 0 }, { 0, 0, 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, 0, 0 }, { 0, 0, 0 },
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{ 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 1 },
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{ 0, 0, 1 }, { 0, 0, 1 }, { 0, 0, 1 }, { 0, 1, 1 }, { 0, 1, 1 }, { 1, 1, 1 },
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{ 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 1 }, { 1, 1, 2 }, { 1, 1, 2 }, { 1, 1, 2 },
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{ 1, 1, 2 }, { 1, 2, 3 }, { 1, 2, 3 }, { 2, 2, 3 }, { 2, 2, 4 }, { 2, 3, 4 },
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{ 2, 3, 4 }, { 3, 3, 5 }, { 3, 4, 6 }, { 3, 4, 6 }, { 4, 5, 7 }, { 4, 5, 8 },
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{ 4, 6, 9 }, { 5, 7,10 }, { 6, 8,11 }, { 6, 8,13 }, { 7,10,14 }, { 8,11,16 },
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{ 9,12,18 }, {10,13,20 }, {11,15,23 }, {13,17,25 }
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};
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/* From ffmpeg */
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static inline int clip_uint8( int a )
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{
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if (a&(~255))
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return (-a)>>31;
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else
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return a;
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}
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static inline void deblock_luma_c( uint8_t *pix, int xstride, int ystride, int alpha, int beta, int8_t *tc0 )
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{
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int i, d;
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for( i = 0; i < 4; i++ ) {
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if( tc0[i] < 0 ) {
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pix += 4*ystride;
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continue;
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}
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for( d = 0; d < 4; d++ ) {
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const int p2 = pix[-3*xstride];
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const int p1 = pix[-2*xstride];
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const int p0 = pix[-1*xstride];
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const int q0 = pix[ 0*xstride];
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const int q1 = pix[ 1*xstride];
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const int q2 = pix[ 2*xstride];
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if( abs( p0 - q0 ) < alpha &&
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abs( p1 - p0 ) < beta &&
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abs( q1 - q0 ) < beta ) {
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int tc = tc0[i];
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int delta;
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if( abs( p2 - p0 ) < beta ) {
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pix[-2*xstride] = p1 + x264_clip3( (( p2 + ((p0 + q0 + 1) >> 1)) >> 1) - p1, -tc0[i], tc0[i] );
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tc++;
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}
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if( abs( q2 - q0 ) < beta ) {
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pix[ 1*xstride] = q1 + x264_clip3( (( q2 + ((p0 + q0 + 1) >> 1)) >> 1) - q1, -tc0[i], tc0[i] );
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tc++;
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}
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delta = x264_clip3( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
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pix[-1*xstride] = clip_uint8( p0 + delta ); /* p0' */
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pix[ 0*xstride] = clip_uint8( q0 - delta ); /* q0' */
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}
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pix += ystride;
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}
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}
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}
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static void deblock_v_luma_c( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 )
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{
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deblock_luma_c( pix, stride, 1, alpha, beta, tc0 );
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}
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static void deblock_h_luma_c( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 )
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{
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deblock_luma_c( pix, 1, stride, alpha, beta, tc0 );
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}
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static inline void deblock_chroma_c( uint8_t *pix, int xstride, int ystride, int alpha, int beta, int8_t *tc0 )
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{
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int i, d;
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for( i = 0; i < 4; i++ ) {
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const int tc = tc0[i];
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if( tc <= 0 ) {
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pix += 2*ystride;
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continue;
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}
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for( d = 0; d < 2; d++ ) {
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const int p1 = pix[-2*xstride];
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const int p0 = pix[-1*xstride];
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const int q0 = pix[ 0*xstride];
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const int q1 = pix[ 1*xstride];
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if( abs( p0 - q0 ) < alpha &&
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abs( p1 - p0 ) < beta &&
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abs( q1 - q0 ) < beta ) {
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int delta = x264_clip3( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
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pix[-1*xstride] = clip_uint8( p0 + delta ); /* p0' */
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pix[ 0*xstride] = clip_uint8( q0 - delta ); /* q0' */
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}
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pix += ystride;
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}
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}
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}
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static void deblock_v_chroma_c( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 )
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{
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deblock_chroma_c( pix, stride, 1, alpha, beta, tc0 );
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}
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static void deblock_h_chroma_c( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 )
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{
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deblock_chroma_c( pix, 1, stride, alpha, beta, tc0 );
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}
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static inline void deblock_luma_intra_c( uint8_t *pix, int xstride, int ystride, int alpha, int beta )
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{
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int d;
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for( d = 0; d < 16; d++ ) {
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const int p2 = pix[-3*xstride];
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const int p1 = pix[-2*xstride];
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const int p0 = pix[-1*xstride];
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const int q0 = pix[ 0*xstride];
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const int q1 = pix[ 1*xstride];
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const int q2 = pix[ 2*xstride];
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if( abs( p0 - q0 ) < alpha &&
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abs( p1 - p0 ) < beta &&
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abs( q1 - q0 ) < beta ) {
|
|
|
|
if(abs( p0 - q0 ) < ((alpha >> 2) + 2) ){
|
|
if( abs( p2 - p0 ) < beta)
|
|
{
|
|
const int p3 = pix[-4*xstride];
|
|
/* p0', p1', p2' */
|
|
pix[-1*xstride] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;
|
|
pix[-2*xstride] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;
|
|
pix[-3*xstride] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3;
|
|
} else {
|
|
/* p0' */
|
|
pix[-1*xstride] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
|
|
}
|
|
if( abs( q2 - q0 ) < beta)
|
|
{
|
|
const int q3 = pix[3*xstride];
|
|
/* q0', q1', q2' */
|
|
pix[0*xstride] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;
|
|
pix[1*xstride] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;
|
|
pix[2*xstride] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3;
|
|
} else {
|
|
/* q0' */
|
|
pix[0*xstride] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
|
|
}
|
|
}else{
|
|
/* p0', q0' */
|
|
pix[-1*xstride] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
|
|
pix[ 0*xstride] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
|
|
}
|
|
}
|
|
pix += ystride;
|
|
}
|
|
}
|
|
static void deblock_v_luma_intra_c( uint8_t *pix, int stride, int alpha, int beta )
|
|
{
|
|
deblock_luma_intra_c( pix, stride, 1, alpha, beta );
|
|
}
|
|
static void deblock_h_luma_intra_c( uint8_t *pix, int stride, int alpha, int beta )
|
|
{
|
|
deblock_luma_intra_c( pix, 1, stride, alpha, beta );
|
|
}
|
|
|
|
static inline void deblock_chroma_intra_c( uint8_t *pix, int xstride, int ystride, int alpha, int beta )
|
|
{
|
|
int d;
|
|
for( d = 0; d < 8; d++ ) {
|
|
const int p1 = pix[-2*xstride];
|
|
const int p0 = pix[-1*xstride];
|
|
const int q0 = pix[ 0*xstride];
|
|
const int q1 = pix[ 1*xstride];
|
|
|
|
if( abs( p0 - q0 ) < alpha &&
|
|
abs( p1 - p0 ) < beta &&
|
|
abs( q1 - q0 ) < beta ) {
|
|
|
|
pix[-1*xstride] = (2*p1 + p0 + q1 + 2) >> 2; /* p0' */
|
|
pix[ 0*xstride] = (2*q1 + q0 + p1 + 2) >> 2; /* q0' */
|
|
}
|
|
|
|
pix += ystride;
|
|
}
|
|
}
|
|
static void deblock_v_chroma_intra_c( uint8_t *pix, int stride, int alpha, int beta )
|
|
{
|
|
deblock_chroma_intra_c( pix, stride, 1, alpha, beta );
|
|
}
|
|
static void deblock_h_chroma_intra_c( uint8_t *pix, int stride, int alpha, int beta )
|
|
{
|
|
deblock_chroma_intra_c( pix, 1, stride, alpha, beta );
|
|
}
|
|
|
|
static inline void deblock_edge( x264_t *h, uint8_t *pix, int i_stride, int bS[4], int i_qp, int b_chroma,
|
|
x264_deblock_inter_t pf_inter, x264_deblock_intra_t pf_intra )
|
|
{
|
|
int i;
|
|
const int index_a = x264_clip3( i_qp + h->sh.i_alpha_c0_offset, 0, 51 );
|
|
const int alpha = i_alpha_table[index_a];
|
|
const int beta = i_beta_table[x264_clip3( i_qp + h->sh.i_beta_offset, 0, 51 )];
|
|
|
|
if( bS[0] < 4 ) {
|
|
int8_t tc[4];
|
|
for(i=0; i<4; i++)
|
|
tc[i] = (bS[i] ? i_tc0_table[index_a][bS[i] - 1] : -1) + b_chroma;
|
|
pf_inter( pix, i_stride, alpha, beta, tc );
|
|
} else {
|
|
pf_intra( pix, i_stride, alpha, beta );
|
|
}
|
|
}
|
|
|
|
void x264_frame_deblocking_filter( x264_t *h, int i_slice_type )
|
|
{
|
|
const int s8x8 = 2 * h->mb.i_mb_stride;
|
|
const int s4x4 = 4 * h->mb.i_mb_stride;
|
|
const int b_interlaced = h->param.b_interlaced;
|
|
const int mvy_limit = 4 >> b_interlaced;
|
|
int mb_y, mb_x;
|
|
|
|
int i_stride2[3] = { h->fdec->i_stride[0] << b_interlaced,
|
|
h->fdec->i_stride[1] << b_interlaced,
|
|
h->fdec->i_stride[2] << b_interlaced };
|
|
|
|
for( mb_y = 0, mb_x = 0; mb_y < h->sps->i_mb_height; )
|
|
{
|
|
const int mb_xy = mb_y * h->mb.i_mb_stride + mb_x;
|
|
const int mb_8x8 = 2 * s8x8 * mb_y + 2 * mb_x;
|
|
const int mb_4x4 = 4 * s4x4 * mb_y + 4 * mb_x;
|
|
const int b_8x8_transform = h->mb.mb_transform_size[mb_xy];
|
|
const int i_edge_end = (h->mb.type[mb_xy] == P_SKIP) ? 1 : 4;
|
|
int i_edge, i_dir;
|
|
|
|
int i_pix_y[3] = { 16*mb_y*h->fdec->i_stride[0] + 16*mb_x,
|
|
8*mb_y*h->fdec->i_stride[1] + 8*mb_x,
|
|
8*mb_y*h->fdec->i_stride[2] + 8*mb_x };
|
|
if( b_interlaced && (mb_y&1) )
|
|
{
|
|
i_pix_y[0] -= 15*h->fdec->i_stride[0];
|
|
i_pix_y[1] -= 7*h->fdec->i_stride[1];
|
|
i_pix_y[2] -= 7*h->fdec->i_stride[2];
|
|
}
|
|
|
|
/* cavlc + 8x8 transform stores nnz per 16 coeffs for the purpose of
|
|
* entropy coding, but per 64 coeffs for the purpose of deblocking */
|
|
if( !h->param.b_cabac && b_8x8_transform )
|
|
{
|
|
uint32_t *nnz = (uint32_t*)h->mb.non_zero_count[mb_xy];
|
|
if( nnz[0] ) nnz[0] = 0x01010101;
|
|
if( nnz[1] ) nnz[1] = 0x01010101;
|
|
if( nnz[2] ) nnz[2] = 0x01010101;
|
|
if( nnz[3] ) nnz[3] = 0x01010101;
|
|
}
|
|
|
|
/* i_dir == 0 -> vertical edge
|
|
* i_dir == 1 -> horizontal edge */
|
|
for( i_dir = 0; i_dir < 2; i_dir++ )
|
|
{
|
|
int i_start = (i_dir ? (mb_y <= b_interlaced) : (mb_x == 0));
|
|
int i_qp, i_qpn;
|
|
|
|
for( i_edge = i_start; i_edge < i_edge_end; i_edge++ )
|
|
{
|
|
int mbn_xy, mbn_8x8, mbn_4x4;
|
|
int bS[4]; /* filtering strength */
|
|
|
|
if( b_8x8_transform && (i_edge&1) )
|
|
continue;
|
|
|
|
mbn_xy = i_edge > 0 ? mb_xy : ( i_dir == 0 ? mb_xy - 1 : mb_xy - h->mb.i_mb_stride );
|
|
mbn_8x8 = i_edge > 0 ? mb_8x8 : ( i_dir == 0 ? mb_8x8 - 2 : mb_8x8 - 2 * s8x8 );
|
|
mbn_4x4 = i_edge > 0 ? mb_4x4 : ( i_dir == 0 ? mb_4x4 - 4 : mb_4x4 - 4 * s4x4 );
|
|
|
|
if( b_interlaced && i_edge == 0 && i_dir == 1 )
|
|
{
|
|
mbn_xy -= h->mb.i_mb_stride;
|
|
mbn_8x8 -= 2 * s8x8;
|
|
mbn_4x4 -= 4 * s4x4;
|
|
}
|
|
|
|
/* *** Get bS for each 4px for the current edge *** */
|
|
if( IS_INTRA( h->mb.type[mb_xy] ) || IS_INTRA( h->mb.type[mbn_xy] ) )
|
|
{
|
|
bS[0] = bS[1] = bS[2] = bS[3] = ( i_edge == 0 && !(b_interlaced && i_dir) ? 4 : 3 );
|
|
}
|
|
else
|
|
{
|
|
int i;
|
|
for( i = 0; i < 4; i++ )
|
|
{
|
|
int x = i_dir == 0 ? i_edge : i;
|
|
int y = i_dir == 0 ? i : i_edge;
|
|
int xn = (x - (i_dir == 0 ? 1 : 0 ))&0x03;
|
|
int yn = (y - (i_dir == 0 ? 0 : 1 ))&0x03;
|
|
|
|
if( h->mb.non_zero_count[mb_xy][block_idx_xy[x][y]] != 0 ||
|
|
h->mb.non_zero_count[mbn_xy][block_idx_xy[xn][yn]] != 0 )
|
|
{
|
|
bS[i] = 2;
|
|
}
|
|
else
|
|
{
|
|
/* FIXME: A given frame may occupy more than one position in
|
|
* the reference list. So we should compare the frame numbers,
|
|
* not the indices in the ref list.
|
|
* No harm yet, as we don't generate that case.*/
|
|
|
|
int i8p= mb_8x8+(x/2)+(y/2)*s8x8;
|
|
int i8q= mbn_8x8+(xn/2)+(yn/2)*s8x8;
|
|
int i4p= mb_4x4+x+y*s4x4;
|
|
int i4q= mbn_4x4+xn+yn*s4x4;
|
|
int l;
|
|
|
|
bS[i] = 0;
|
|
|
|
for( l = 0; l < 1 + (i_slice_type == SLICE_TYPE_B); l++ )
|
|
{
|
|
if( h->mb.ref[l][i8p] != h->mb.ref[l][i8q] ||
|
|
abs( h->mb.mv[l][i4p][0] - h->mb.mv[l][i4q][0] ) >= 4 ||
|
|
abs( h->mb.mv[l][i4p][1] - h->mb.mv[l][i4q][1] ) >= mvy_limit )
|
|
{
|
|
bS[i] = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* *** filter *** */
|
|
/* Y plane */
|
|
i_qp = h->mb.qp[mb_xy];
|
|
i_qpn= h->mb.qp[mbn_xy];
|
|
|
|
if( i_dir == 0 )
|
|
{
|
|
/* vertical edge */
|
|
deblock_edge( h, &h->fdec->plane[0][i_pix_y[0] + 4*i_edge],
|
|
i_stride2[0], bS, (i_qp+i_qpn+1) >> 1, 0,
|
|
h->loopf.deblock_h_luma, h->loopf.deblock_h_luma_intra );
|
|
if( !(i_edge & 1) )
|
|
{
|
|
/* U/V planes */
|
|
int i_qpc = ( i_chroma_qp_table[x264_clip3( i_qp + h->pps->i_chroma_qp_index_offset, 0, 51 )] +
|
|
i_chroma_qp_table[x264_clip3( i_qpn + h->pps->i_chroma_qp_index_offset, 0, 51 )] + 1 ) >> 1;
|
|
deblock_edge( h, &h->fdec->plane[1][i_pix_y[1] + 2*i_edge],
|
|
i_stride2[1], bS, i_qpc, 1,
|
|
h->loopf.deblock_h_chroma, h->loopf.deblock_h_chroma_intra );
|
|
deblock_edge( h, &h->fdec->plane[2][i_pix_y[2] + 2*i_edge],
|
|
i_stride2[2], bS, i_qpc, 1,
|
|
h->loopf.deblock_h_chroma, h->loopf.deblock_h_chroma_intra );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* horizontal edge */
|
|
deblock_edge( h, &h->fdec->plane[0][i_pix_y[0] + 4*i_edge*i_stride2[0]],
|
|
i_stride2[0], bS, (i_qp+i_qpn+1) >> 1, 0,
|
|
h->loopf.deblock_v_luma, h->loopf.deblock_v_luma_intra );
|
|
/* U/V planes */
|
|
if( !(i_edge & 1) )
|
|
{
|
|
int i_qpc = ( i_chroma_qp_table[x264_clip3( i_qp + h->pps->i_chroma_qp_index_offset, 0, 51 )] +
|
|
i_chroma_qp_table[x264_clip3( i_qpn + h->pps->i_chroma_qp_index_offset, 0, 51 )] + 1 ) >> 1;
|
|
deblock_edge( h, &h->fdec->plane[1][i_pix_y[1] + 2*i_edge*i_stride2[1]],
|
|
i_stride2[1], bS, i_qpc, 1,
|
|
h->loopf.deblock_v_chroma, h->loopf.deblock_v_chroma_intra );
|
|
deblock_edge( h, &h->fdec->plane[2][i_pix_y[2] + 2*i_edge*i_stride2[2]],
|
|
i_stride2[2], bS, i_qpc, 1,
|
|
h->loopf.deblock_v_chroma, h->loopf.deblock_v_chroma_intra );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* next mb */
|
|
if( !b_interlaced || (mb_y&1) )
|
|
mb_x++;
|
|
if( mb_x >= h->sps->i_mb_width )
|
|
{
|
|
mb_x = 0;
|
|
mb_y++;
|
|
}
|
|
else
|
|
mb_y ^= b_interlaced;
|
|
}
|
|
}
|
|
|
|
#ifdef HAVE_MMXEXT
|
|
void x264_deblock_v_chroma_mmxext( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
|
|
void x264_deblock_h_chroma_mmxext( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
|
|
void x264_deblock_v_chroma_intra_mmxext( uint8_t *pix, int stride, int alpha, int beta );
|
|
void x264_deblock_h_chroma_intra_mmxext( uint8_t *pix, int stride, int alpha, int beta );
|
|
|
|
#ifdef ARCH_X86_64
|
|
void x264_deblock_v_luma_sse2( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
|
|
void x264_deblock_h_luma_sse2( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
|
|
#else
|
|
void x264_deblock_h_luma_mmxext( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
|
|
void x264_deblock_v8_luma_mmxext( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
|
|
|
|
void x264_deblock_v_luma_mmxext( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 )
|
|
{
|
|
x264_deblock_v8_luma_mmxext( pix, stride, alpha, beta, tc0 );
|
|
x264_deblock_v8_luma_mmxext( pix+8, stride, alpha, beta, tc0+2 );
|
|
}
|
|
#endif
|
|
#endif
|
|
|
|
void x264_deblock_init( int cpu, x264_deblock_function_t *pf )
|
|
{
|
|
pf->deblock_v_luma = deblock_v_luma_c;
|
|
pf->deblock_h_luma = deblock_h_luma_c;
|
|
pf->deblock_v_chroma = deblock_v_chroma_c;
|
|
pf->deblock_h_chroma = deblock_h_chroma_c;
|
|
pf->deblock_v_luma_intra = deblock_v_luma_intra_c;
|
|
pf->deblock_h_luma_intra = deblock_h_luma_intra_c;
|
|
pf->deblock_v_chroma_intra = deblock_v_chroma_intra_c;
|
|
pf->deblock_h_chroma_intra = deblock_h_chroma_intra_c;
|
|
|
|
#ifdef HAVE_MMXEXT
|
|
if( cpu&X264_CPU_MMXEXT )
|
|
{
|
|
pf->deblock_v_chroma = x264_deblock_v_chroma_mmxext;
|
|
pf->deblock_h_chroma = x264_deblock_h_chroma_mmxext;
|
|
pf->deblock_v_chroma_intra = x264_deblock_v_chroma_intra_mmxext;
|
|
pf->deblock_h_chroma_intra = x264_deblock_h_chroma_intra_mmxext;
|
|
|
|
#ifdef ARCH_X86_64
|
|
if( cpu&X264_CPU_SSE2 )
|
|
{
|
|
pf->deblock_v_luma = x264_deblock_v_luma_sse2;
|
|
pf->deblock_h_luma = x264_deblock_h_luma_sse2;
|
|
}
|
|
#else
|
|
pf->deblock_v_luma = x264_deblock_v_luma_mmxext;
|
|
pf->deblock_h_luma = x264_deblock_h_luma_mmxext;
|
|
#endif
|
|
}
|
|
#endif
|
|
}
|
|
|