X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=common%2Fmc.c;h=f9818b2a48d8cb89f57989507a37c6ce5e181fc5;hb=cb688111fb28225a4d1fe2a45472ac0cd093a08f;hp=c179aad25be60557d9c0b0dc4ac4265e1d373e4f;hpb=0df24cf995faf3169fe15d808e4fff00c18ad7dc;p=x264 diff --git a/common/mc.c b/common/mc.c index c179aad2..f9818b2a 100644 --- a/common/mc.c +++ b/common/mc.c @@ -1,10 +1,10 @@ /***************************************************************************** * mc.c: h264 encoder library (Motion Compensation) ***************************************************************************** - * Copyright (C) 2003 Laurent Aimar - * $Id: mc.c,v 1.1 2004/06/03 19:27:07 fenrir Exp $ + * Copyright (C) 2003-2008 x264 project * * Authors: Laurent Aimar + * Loren Merritt * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -18,42 +18,19 @@ * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA. *****************************************************************************/ -#ifdef HAVE_STDINT_H -#include -#else -#include -#endif -#include -#include -#include -#include - -#include "x264.h" - -#include "mc.h" -#include "clip1.h" -#include "frame.h" +#include "common.h" -#ifdef HAVE_MMXEXT -#include "i386/mc.h" +#ifdef HAVE_MMX +#include "x86/mc.h" #endif #ifdef ARCH_PPC #include "ppc/mc.h" #endif -static inline int x264_tapfilter( uint8_t *pix, int i_pix_next ) -{ - return pix[-2*i_pix_next] - 5*pix[-1*i_pix_next] + 20*(pix[0] + pix[1*i_pix_next]) - 5*pix[ 2*i_pix_next] + pix[ 3*i_pix_next]; -} -static inline int x264_tapfilter1( uint8_t *pix ) -{ - return pix[-2] - 5*pix[-1] + 20*(pix[0] + pix[1]) - 5*pix[ 2] + pix[ 3]; -} - static inline void pixel_avg( uint8_t *dst, int i_dst_stride, uint8_t *src1, int i_src1_stride, uint8_t *src2, int i_src2_stride, @@ -72,268 +49,150 @@ static inline void pixel_avg( uint8_t *dst, int i_dst_stride, } } -typedef void (*pf_mc_t)(uint8_t *src, int i_src_stride, uint8_t *dst, int i_dst_stride, int i_width, int i_height ); - -static void mc_copy( uint8_t *src, int i_src_stride, uint8_t *dst, int i_dst_stride, int i_width, int i_height ) +static inline void pixel_avg_wxh( uint8_t *dst, int i_dst, uint8_t *src1, int i_src1, uint8_t *src2, int i_src2, int width, int height ) { - int y; - - for( y = 0; y < i_height; y++ ) + int x, y; + for( y = 0; y < height; y++ ) { - memcpy( dst, src, i_width ); - - src += i_src_stride; - dst += i_dst_stride; + for( x = 0; x < width; x++ ) + { + dst[x] = ( src1[x] + src2[x] + 1 ) >> 1; + } + src1 += i_src1; + src2 += i_src2; + dst += i_dst; } } -static inline void mc_hh( uint8_t *src, int i_src_stride, uint8_t *dst, int i_dst_stride, int i_width, int i_height ) -{ - int x, y; - for( y = 0; y < i_height; y++ ) +/* Implicit weighted bipred only: + * assumes log2_denom = 5, offset = 0, weight1 + weight2 = 64 */ +#define op_scale2(x) dst[x] = x264_clip_uint8( (src1[x]*i_weight1 + src2[x]*i_weight2 + (1<<5)) >> 6 ) +static inline void pixel_avg_weight_wxh( uint8_t *dst, int i_dst, uint8_t *src1, int i_src1, uint8_t *src2, int i_src2, int width, int height, int i_weight1 ) +{ + int y; + const int i_weight2 = 64 - i_weight1; + for( y = 0; y> 5 ); - } - src += i_src_stride; - dst += i_dst_stride; + op_scale2(0); + op_scale2(1); + if(width==2) continue; + op_scale2(2); + op_scale2(3); + if(width==4) continue; + op_scale2(4); + op_scale2(5); + op_scale2(6); + op_scale2(7); + if(width==8) continue; + op_scale2(8); + op_scale2(9); + op_scale2(10); + op_scale2(11); + op_scale2(12); + op_scale2(13); + op_scale2(14); + op_scale2(15); } } -static inline void mc_hv( uint8_t *src, int i_src_stride, uint8_t *dst, int i_dst_stride, int i_width, int i_height ) +#undef op_scale2 + +#define PIXEL_AVG_C( name, width, height ) \ +static void name( uint8_t *pix1, int i_stride_pix1, \ + uint8_t *pix2, int i_stride_pix2, \ + uint8_t *pix3, int i_stride_pix3, int weight ) \ +{ \ + if( weight == 32 )\ + pixel_avg_wxh( pix1, i_stride_pix1, pix2, i_stride_pix2, pix3, i_stride_pix3, width, height ); \ + else\ + pixel_avg_weight_wxh( pix1, i_stride_pix1, pix2, i_stride_pix2, pix3, i_stride_pix3, width, height, weight ); \ +} +PIXEL_AVG_C( pixel_avg_16x16, 16, 16 ) +PIXEL_AVG_C( pixel_avg_16x8, 16, 8 ) +PIXEL_AVG_C( pixel_avg_8x16, 8, 16 ) +PIXEL_AVG_C( pixel_avg_8x8, 8, 8 ) +PIXEL_AVG_C( pixel_avg_8x4, 8, 4 ) +PIXEL_AVG_C( pixel_avg_4x8, 4, 8 ) +PIXEL_AVG_C( pixel_avg_4x4, 4, 4 ) +PIXEL_AVG_C( pixel_avg_4x2, 4, 2 ) +PIXEL_AVG_C( pixel_avg_2x4, 2, 4 ) +PIXEL_AVG_C( pixel_avg_2x2, 2, 2 ) + +static void mc_copy( uint8_t *src, int i_src_stride, uint8_t *dst, int i_dst_stride, int i_width, int i_height ) { - int x, y; + int y; for( y = 0; y < i_height; y++ ) { - for( x = 0; x < i_width; x++ ) - { - dst[x] = x264_mc_clip1( ( x264_tapfilter( &src[x], i_src_stride ) + 16 ) >> 5 ); - } + memcpy( dst, src, i_width ); + src += i_src_stride; dst += i_dst_stride; } } -static inline void mc_hc( uint8_t *src, int i_src_stride, uint8_t *dst, int i_dst_stride, int i_width, int i_height ) + +#define TAPFILTER(pix, d) ((pix)[x-2*d] + (pix)[x+3*d] - 5*((pix)[x-d] + (pix)[x+2*d]) + 20*((pix)[x] + (pix)[x+d])) +static void hpel_filter( uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, uint8_t *src, + int stride, int width, int height, int16_t *buf ) { - uint8_t *out; - uint8_t *pix; int x, y; - - for( x = 0; x < i_width; x++ ) + for( y=0; y> 10 ); - - /* Next line */ - pix += i_src_stride; - out += i_dst_stride; - tap[0] = tap[1]; - tap[1] = tap[2]; - tap[2] = tap[3]; - tap[3] = tap[4]; - tap[4] = tap[5]; + int v = TAPFILTER(src,stride); + dstv[x] = x264_clip_uint8((v + 16) >> 5); + buf[x+2] = v; } + for( x=0; x> 10); + for( x=0; x> 5); + dsth += stride; + dstv += stride; + dstc += stride; + src += stride; } } -/* mc I+H */ -static void mc_xy10( uint8_t *src, int i_src_stride, uint8_t *dst, int i_dst_stride, int i_width, int i_height ) -{ - uint8_t tmp[16*16]; - mc_hh( src, i_src_stride, tmp, i_width, i_width, i_height ); - pixel_avg( dst, i_dst_stride, src, i_src_stride, tmp, i_width, i_width, i_height ); -} -static void mc_xy30( uint8_t *src, int i_src_stride, uint8_t *dst, int i_dst_stride, int i_width, int i_height ) -{ - uint8_t tmp[16*16]; - mc_hh( src, i_src_stride, tmp, i_width, i_width, i_height ); - pixel_avg( dst, i_dst_stride, src+1, i_src_stride, tmp, i_width, i_width, i_height ); -} -/* mc I+V */ -static void mc_xy01( uint8_t *src, int i_src_stride, uint8_t *dst, int i_dst_stride, int i_width, int i_height ) -{ - uint8_t tmp[16*16]; - mc_hv( src, i_src_stride, tmp, i_width, i_width, i_height ); - pixel_avg( dst, i_dst_stride, src, i_src_stride, tmp, i_width, i_width, i_height ); -} -static void mc_xy03( uint8_t *src, int i_src_stride, uint8_t *dst, int i_dst_stride, int i_width, int i_height ) -{ - uint8_t tmp[16*16]; - mc_hv( src, i_src_stride, tmp, i_width, i_width, i_height ); - pixel_avg( dst, i_dst_stride, src+i_src_stride, i_src_stride, tmp, i_width, i_width, i_height ); -} -/* H+V */ -static void mc_xy11( uint8_t *src, int i_src_stride, uint8_t *dst, int i_dst_stride, int i_width, int i_height ) -{ - uint8_t tmp1[16*16]; - uint8_t tmp2[16*16]; - - mc_hv( src, i_src_stride, tmp1, i_width, i_width, i_height ); - mc_hh( src, i_src_stride, tmp2, i_width, i_width, i_height ); - pixel_avg( dst, i_dst_stride, tmp1, i_width, tmp2, i_width, i_width, i_height ); -} -static void mc_xy31( uint8_t *src, int i_src_stride, uint8_t *dst, int i_dst_stride, int i_width, int i_height ) -{ - uint8_t tmp1[16*16]; - uint8_t tmp2[16*16]; - - mc_hv( src+1, i_src_stride, tmp1, i_width, i_width, i_height ); - mc_hh( src, i_src_stride, tmp2, i_width, i_width, i_height ); - pixel_avg( dst, i_dst_stride, tmp1, i_width, tmp2, i_width, i_width, i_height ); -} -static void mc_xy13( uint8_t *src, int i_src_stride, uint8_t *dst, int i_dst_stride, int i_width, int i_height ) -{ - uint8_t tmp1[16*16]; - uint8_t tmp2[16*16]; - - mc_hv( src, i_src_stride, tmp1, i_width, i_width, i_height ); - mc_hh( src+i_src_stride, i_src_stride, tmp2, i_width, i_width, i_height ); - pixel_avg( dst, i_dst_stride, tmp1, i_width, tmp2, i_width, i_width, i_height ); -} -static void mc_xy33( uint8_t *src, int i_src_stride, uint8_t *dst, int i_dst_stride, int i_width, int i_height ) -{ - uint8_t tmp1[16*16]; - uint8_t tmp2[16*16]; - - mc_hv( src+1, i_src_stride, tmp1, i_width, i_width, i_height ); - mc_hh( src+i_src_stride, i_src_stride, tmp2, i_width, i_width, i_height ); - pixel_avg( dst, i_dst_stride, tmp1, i_width, tmp2, i_width, i_width, i_height ); -} -static void mc_xy21( uint8_t *src, int i_src_stride, uint8_t *dst, int i_dst_stride, int i_width, int i_height ) -{ - uint8_t tmp1[16*16]; - uint8_t tmp2[16*16]; - - mc_hc( src, i_src_stride, tmp1, i_width, i_width, i_height ); - mc_hh( src, i_src_stride, tmp2, i_width, i_width, i_height ); - pixel_avg( dst, i_dst_stride, tmp1, i_width, tmp2, i_width, i_width, i_height ); -} -static void mc_xy12( uint8_t *src, int i_src_stride, uint8_t *dst, int i_dst_stride, int i_width, int i_height ) -{ - uint8_t tmp1[16*16]; - uint8_t tmp2[16*16]; - - mc_hc( src, i_src_stride, tmp1, i_width, i_width, i_height ); - mc_hv( src, i_src_stride, tmp2, i_width, i_width, i_height ); - pixel_avg( dst, i_dst_stride, tmp1, i_width, tmp2, i_width, i_width, i_height ); -} -static void mc_xy32( uint8_t *src, int i_src_stride, uint8_t *dst, int i_dst_stride, int i_width, int i_height ) -{ - uint8_t tmp1[16*16]; - uint8_t tmp2[16*16]; - - mc_hc( src, i_src_stride, tmp1, i_width, i_width, i_height ); - mc_hv( src+1, i_src_stride, tmp2, i_width, i_width, i_height ); - pixel_avg( dst, i_dst_stride, tmp1, i_width, tmp2, i_width, i_width, i_height ); -} -static void mc_xy23( uint8_t *src, int i_src_stride, uint8_t *dst, int i_dst_stride, int i_width, int i_height ) -{ - uint8_t tmp1[16*16]; - uint8_t tmp2[16*16]; - - mc_hc( src, i_src_stride, tmp1, i_width, i_width, i_height ); - mc_hh( src+i_src_stride, i_src_stride, tmp2, i_width, i_width, i_height ); - pixel_avg( dst, i_dst_stride, tmp1, i_width, tmp2, i_width, i_width, i_height ); -} - -static void motion_compensation_luma( uint8_t *src, int i_src_stride, - uint8_t *dst, int i_dst_stride, - int mvx,int mvy, - int i_width, int i_height ) -{ - static pf_mc_t pf_mc[4][4] = /*XXX [dqy][dqx] */ - { - { mc_copy, mc_xy10, mc_hh, mc_xy30 }, - { mc_xy01, mc_xy11, mc_xy21, mc_xy31 }, - { mc_hv, mc_xy12, mc_hc, mc_xy32 }, - { mc_xy03, mc_xy13, mc_xy23, mc_xy33 }, - }; - - src += (mvy >> 2) * i_src_stride + (mvx >> 2); - pf_mc[mvy&0x03][mvx&0x03]( src, i_src_stride, dst, i_dst_stride, i_width, i_height ); -} +static const int hpel_ref0[16] = {0,1,1,1,0,1,1,1,2,3,3,3,0,1,1,1}; +static const int hpel_ref1[16] = {0,0,0,0,2,2,3,2,2,2,3,2,2,2,3,2}; -void mc_luma( uint8_t *src[4], int i_src_stride, - uint8_t *dst, int i_dst_stride, - int mvx,int mvy, - int i_width, int i_height ) +static void mc_luma( uint8_t *dst, int i_dst_stride, + uint8_t *src[4], int i_src_stride, + int mvx, int mvy, + int i_width, int i_height ) { - uint8_t *src1, *src2; - - /* todo : fixme... */ - int correction = ((mvx&3) == 3 && (mvy&3) == 1 || (mvx&3) == 1 && (mvy&3) == 3) ? 1:0; - - int hpel1x = mvx>>1; - int hpel1y = (mvy+1-correction)>>1; - int filter1 = (hpel1x & 1) + ( (hpel1y & 1) << 1 ); + int qpel_idx = ((mvy&3)<<2) + (mvx&3); + int offset = (mvy>>2)*i_src_stride + (mvx>>2); + uint8_t *src1 = src[hpel_ref0[qpel_idx]] + offset + ((mvy&3) == 3) * i_src_stride; - - src1 = src[filter1] + (hpel1y >> 1) * i_src_stride + (hpel1x >> 1); - - if ( (mvx|mvy) & 1 ) /* qpel interpolation needed */ + if( qpel_idx & 5 ) /* qpel interpolation needed */ { - int hpel2x = (mvx+1)>>1; - int hpel2y = (mvy+correction)>>1; - int filter2 = (hpel2x & 1) + ( (hpel2y & 1) <<1 ); - - src2 = src[filter2] + (hpel2y >> 1) * i_src_stride + (hpel2x >> 1); - + uint8_t *src2 = src[hpel_ref1[qpel_idx]] + offset + ((mvx&3) == 3); pixel_avg( dst, i_dst_stride, src1, i_src_stride, src2, i_src_stride, i_width, i_height ); - } else { mc_copy( src1, i_src_stride, dst, i_dst_stride, i_width, i_height ); - } } -uint8_t *get_ref( uint8_t *src[4], int i_src_stride, - uint8_t *dst, int * i_dst_stride, - int mvx,int mvy, - int i_width, int i_height ) +static uint8_t *get_ref( uint8_t *dst, int *i_dst_stride, + uint8_t *src[4], int i_src_stride, + int mvx, int mvy, + int i_width, int i_height ) { - uint8_t *src1, *src2; - - /* todo : fixme... */ - int correction = ((mvx&3) == 3 && (mvy&3) == 1 || (mvx&3) == 1 && (mvy&3) == 3) ? 1:0; - - int hpel1x = mvx>>1; - int hpel1y = (mvy+1-correction)>>1; - int filter1 = (hpel1x & 1) + ( (hpel1y & 1) << 1 ); - + int qpel_idx = ((mvy&3)<<2) + (mvx&3); + int offset = (mvy>>2)*i_src_stride + (mvx>>2); + uint8_t *src1 = src[hpel_ref0[qpel_idx]] + offset + ((mvy&3) == 3) * i_src_stride; - src1 = src[filter1] + (hpel1y >> 1) * i_src_stride + (hpel1x >> 1); - - if ( (mvx|mvy) & 1 ) /* qpel interpolation needed */ + if( qpel_idx & 5 ) /* qpel interpolation needed */ { - int hpel2x = (mvx+1)>>1; - int hpel2y = (mvy+correction)>>1; - int filter2 = (hpel2x & 1) + ( (hpel2y & 1) <<1 ); - - src2 = src[filter2] + (hpel2y >> 1) * i_src_stride + (hpel2x >> 1); - + uint8_t *src2 = src[hpel_ref1[qpel_idx]] + offset + ((mvx&3) == 3); pixel_avg( dst, *i_dst_stride, src1, i_src_stride, src2, i_src_stride, i_width, i_height ); - return dst; - } else { @@ -343,10 +202,10 @@ uint8_t *get_ref( uint8_t *src[4], int i_src_stride, } /* full chroma mc (ie until 1/8 pixel)*/ -static void motion_compensation_chroma( uint8_t *src, int i_src_stride, - uint8_t *dst, int i_dst_stride, - int mvx, int mvy, - int i_width, int i_height ) +static void mc_chroma( uint8_t *dst, int i_dst_stride, + uint8_t *src, int i_src_stride, + int mvx, int mvy, + int i_width, int i_height ) { uint8_t *srcp; int x, y; @@ -376,152 +235,229 @@ static void motion_compensation_chroma( uint8_t *src, int i_src_stride, } } -#ifdef HAVE_MMXEXT -static void motion_compensation_chroma_sse( uint8_t *src, int i_src_stride, - uint8_t *dst, int i_dst_stride, - int mvx, int mvy, - int i_width, int i_height ) +#define MC_COPY(W) \ +static void mc_copy_w##W( uint8_t *dst, int i_dst, uint8_t *src, int i_src, int i_height ) \ +{ \ + mc_copy( src, i_src, dst, i_dst, W, i_height ); \ +} +MC_COPY( 16 ) +MC_COPY( 8 ) +MC_COPY( 4 ) + +static void plane_copy( uint8_t *dst, int i_dst, + uint8_t *src, int i_src, int w, int h) { - if (i_width == 2) { - motion_compensation_chroma(src, i_src_stride, dst, i_dst_stride, - mvx, mvy, i_width, i_height); - } else { - const int d8x = mvx&0x07; - const int d8y = mvy&0x07; - - src += (mvy >> 3) * i_src_stride + (mvx >> 3); - - x264_mc_chroma_sse(src, i_src_stride, dst, i_dst_stride, - d8x, d8y, i_height, i_width); + while( h-- ) + { + memcpy( dst, src, w ); + dst += i_dst; + src += i_src; } } -#endif -void x264_mc_init( int cpu, x264_mc_functions_t *pf ) +static void prefetch_fenc_null( uint8_t *pix_y, int stride_y, + uint8_t *pix_uv, int stride_uv, int mb_x ) +{} + +static void prefetch_ref_null( uint8_t *pix, int stride, int parity ) +{} + +static void memzero_aligned( void * dst, int n ) { - pf->mc_luma = mc_luma; - pf->get_ref = get_ref; - pf->mc_chroma = motion_compensation_chroma; + memset( dst, 0, n ); +} -#ifdef HAVE_MMXEXT - if( cpu&X264_CPU_MMXEXT ) { - x264_mc_mmxext_init( pf ); - pf->mc_chroma = motion_compensation_chroma_sse; +static void integral_init4h( uint16_t *sum, uint8_t *pix, int stride ) +{ + int x, v = pix[0]+pix[1]+pix[2]+pix[3]; + for( x=0; xi_stride[0]; + int x; + for( x=0; xplane[0]; + int i_stride = frame->i_stride[0]; + int i_height = frame->i_lines[0]; + int i_width = frame->i_width[0]; int x, y; - pf_mc_t int_h = mc_hh; - pf_mc_t int_v = mc_hv; - pf_mc_t int_hv = mc_hc; + // duplicate last row and column so that their interpolation doesn't have to be special-cased + for( y=0; ymc.memcpy_aligned( src+i_stride*i_height, src+i_stride*(i_height-1), i_width ); + h->mc.frame_init_lowres_core( src, frame->lowres[0], frame->lowres[1], frame->lowres[2], frame->lowres[3], + i_stride, frame->i_stride_lowres, frame->i_width_lowres, frame->i_lines_lowres ); + x264_frame_expand_border_lowres( frame ); -#if 0 -#ifdef HAVE_MMXEXT - if( cpu&X264_CPU_MMXEXT ) - get_funcs_mmx(&int_h, &int_v, &int_hv); -#endif + memset( frame->i_cost_est, -1, sizeof(frame->i_cost_est) ); -#ifdef HAVE_SSE2 - if( cpu&X264_CPU_SSE2 ) - get_funcs_sse2(&int_h, &int_v, &int_hv); -#endif -#endif + for( x = 0; x < h->param.i_bframe + 2; x++ ) + for( y = 0; y < h->param.i_bframe + 2; y++ ) + frame->i_row_satds[y][x][0] = -1; -#ifdef HAVE_MMXEXT - if ( cpu & X264_CPU_MMXEXT ) - { - x264_horizontal_filter_mmxext(frame->filtered[1] - 8 * stride - 8, stride, - frame->plane[0] - 8 * stride - 8, stride, - stride - 48, frame->i_lines[0] + 16); - x264_center_filter_mmxext(frame->filtered[2] - 8 * stride - 8, stride, - frame->filtered[3] - 8 * stride - 8, stride, - frame->plane[0] - 8 * stride - 8, stride, - stride - 48, frame->i_lines[0] + 16); - } - else - { -#else + for( y = 0; y <= !!h->param.i_bframe; y++ ) + for( x = 0; x <= h->param.i_bframe; x++ ) + frame->lowres_mvs[y][x][0][0] = 0x7FFF; +} + +static void frame_init_lowres_core( uint8_t *src0, uint8_t *dst0, uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, + int src_stride, int dst_stride, int width, int height ) +{ + int x,y; + for( y=0; yi_lines[0]+8; y += y_inc ) + uint8_t *src1 = src0+src_stride; + uint8_t *src2 = src1+src_stride; + for( x=0; xplane[0] + y * stride - 8; - uint8_t *p_h = frame->filtered[1] + y * stride - 8; - uint8_t *p_v = frame->filtered[2] + y * stride - 8; - uint8_t *p_hv = frame->filtered[3] + y * stride - 8; - for( x = -8; x < stride - 64 + 8; x += x_inc ) - { - int_h( p_in, stride, p_h, stride, x_inc, y_inc ); - int_v( p_in, stride, p_v, stride, x_inc, y_inc ); - int_hv( p_in, stride, p_hv, stride, x_inc, y_inc ); - - p_h += x_inc; - p_v += x_inc; - p_hv += x_inc; - p_in += x_inc; - } + // slower than naive bilinear, but matches asm +#define FILTER(a,b,c,d) ((((a+b+1)>>1)+((c+d+1)>>1)+1)>>1) + dst0[x] = FILTER(src0[2*x ], src1[2*x ], src0[2*x+1], src1[2*x+1]); + dsth[x] = FILTER(src0[2*x+1], src1[2*x+1], src0[2*x+2], src1[2*x+2]); + dstv[x] = FILTER(src1[2*x ], src2[2*x ], src1[2*x+1], src2[2*x+1]); + dstc[x] = FILTER(src1[2*x+1], src2[2*x+1], src1[2*x+2], src2[2*x+2]); +#undef FILTER } + src0 += src_stride*2; + dst0 += dst_stride; + dsth += dst_stride; + dstv += dst_stride; + dstc += dst_stride; } } -void x264_frame_init_lowres( int cpu, x264_frame_t *frame ) +void x264_mc_init( int cpu, x264_mc_functions_t *pf ) +{ + pf->mc_luma = mc_luma; + pf->get_ref = get_ref; + pf->mc_chroma = mc_chroma; + + pf->avg[PIXEL_16x16]= pixel_avg_16x16; + pf->avg[PIXEL_16x8] = pixel_avg_16x8; + pf->avg[PIXEL_8x16] = pixel_avg_8x16; + pf->avg[PIXEL_8x8] = pixel_avg_8x8; + pf->avg[PIXEL_8x4] = pixel_avg_8x4; + pf->avg[PIXEL_4x8] = pixel_avg_4x8; + pf->avg[PIXEL_4x4] = pixel_avg_4x4; + pf->avg[PIXEL_4x2] = pixel_avg_4x2; + pf->avg[PIXEL_2x4] = pixel_avg_2x4; + pf->avg[PIXEL_2x2] = pixel_avg_2x2; + + pf->copy_16x16_unaligned = mc_copy_w16; + pf->copy[PIXEL_16x16] = mc_copy_w16; + pf->copy[PIXEL_8x8] = mc_copy_w8; + pf->copy[PIXEL_4x4] = mc_copy_w4; + + pf->plane_copy = plane_copy; + pf->hpel_filter = hpel_filter; + + pf->prefetch_fenc = prefetch_fenc_null; + pf->prefetch_ref = prefetch_ref_null; + pf->memcpy_aligned = memcpy; + pf->memzero_aligned = memzero_aligned; + pf->frame_init_lowres_core = frame_init_lowres_core; + + pf->integral_init4h = integral_init4h; + pf->integral_init8h = integral_init8h; + pf->integral_init4v = integral_init4v; + pf->integral_init8v = integral_init8v; + +#ifdef HAVE_MMX + x264_mc_init_mmx( cpu, pf ); +#endif +#ifdef ARCH_PPC + if( cpu&X264_CPU_ALTIVEC ) + x264_mc_altivec_init( pf ); +#endif +} + +void x264_frame_filter( x264_t *h, x264_frame_t *frame, int mb_y, int b_end ) { - // FIXME: tapfilter? - const int i_stride = frame->i_stride[0]; - const int i_stride2 = frame->i_stride_lowres; - const int i_width2 = i_stride2 - 64; - int x, y, i; - for( y = 0; y < frame->i_lines_lowres - 1; y++ ) + const int b_interlaced = h->sh.b_mbaff; + const int stride = frame->i_stride[0] << b_interlaced; + const int width = frame->i_width[0]; + int start = (mb_y*16 >> b_interlaced) - 8; // buffer = 4 for deblock + 3 for 6tap, rounded to 8 + int height = ((b_end ? frame->i_lines[0] : mb_y*16) >> b_interlaced) + 8; + int offs = start*stride - 8; // buffer = 3 for 6tap, aligned to 8 for simd + int y; + + if( mb_y & b_interlaced ) + return; + + for( y=0; y<=b_interlaced; y++, offs+=frame->i_stride[0] ) + { + h->mc.hpel_filter( + frame->filtered[1] + offs, + frame->filtered[2] + offs, + frame->filtered[3] + offs, + frame->plane[0] + offs, + stride, width + 16, height - start, + h->scratch_buffer ); + } + + /* generate integral image: + * frame->integral contains 2 planes. in the upper plane, each element is + * the sum of an 8x8 pixel region with top-left corner on that point. + * in the lower plane, 4x4 sums (needed only with --partitions p4x4). */ + + if( frame->integral ) { - uint8_t *src0 = &frame->plane[0][2*y*i_stride]; - uint8_t *src1 = src0+i_stride; - uint8_t *src2 = src1+i_stride; - uint8_t *dst0 = &frame->lowres[0][y*i_stride2]; - uint8_t *dsth = &frame->lowres[1][y*i_stride2]; - uint8_t *dstv = &frame->lowres[2][y*i_stride2]; - uint8_t *dstc = &frame->lowres[3][y*i_stride2]; - for( x = 0; x < i_width2 - 1; x++ ) + if( start < 0 ) { - dst0[x] = (src0[2*x ] + src0[2*x+1] + src1[2*x ] + src1[2*x+1] + 2) >> 2; - dsth[x] = (src0[2*x+1] + src0[2*x+2] + src1[2*x+1] + src1[2*x+2] + 2) >> 2; - dstv[x] = (src1[2*x ] + src1[2*x+1] + src2[2*x ] + src2[2*x+1] + 2) >> 2; - dstc[x] = (src1[2*x+1] + src1[2*x+2] + src2[2*x+1] + src2[2*x+2] + 2) >> 2; + memset( frame->integral - PADV * stride - PADH, 0, stride * sizeof(uint16_t) ); + start = -PADV; + } + if( b_end ) + height += PADV-9; + for( y = start; y < height; y++ ) + { + uint8_t *pix = frame->plane[0] + y * stride - PADH; + uint16_t *sum8 = frame->integral + (y+1) * stride - PADH; + uint16_t *sum4; + if( h->frames.b_have_sub8x8_esa ) + { + h->mc.integral_init4h( sum8, pix, stride ); + sum8 -= 8*stride; + sum4 = sum8 + stride * (frame->i_lines[0] + PADV*2); + if( y >= 8-PADV ) + h->mc.integral_init4v( sum8, sum4, stride ); + } + else + { + h->mc.integral_init8h( sum8, pix, stride ); + if( y >= 8-PADV ) + h->mc.integral_init8v( sum8-8*stride, stride ); + } } - dst0[x] = (src0[2*x ] + src0[2*x+1] + src1[2*x ] + src1[2*x+1] + 2) >> 2; - dstv[x] = (src1[2*x ] + src1[2*x+1] + src2[2*x ] + src2[2*x+1] + 2) >> 2; - dsth[x] = (src0[2*x+1] + src1[2*x+1] + 1) >> 1; - dstc[x] = (src1[2*x+1] + src2[2*x+1] + 1) >> 1; } - for( i = 0; i < 4; i++ ) - memcpy( &frame->lowres[i][y*i_stride2], &frame->lowres[i][(y-1)*i_stride2], i_width2 ); - - for( y = 0; y < 16; y++ ) - for( x = 0; x < 16; x++ ) - frame->i_cost_est[x][y] = -1; } -