| /***************************************************************************** |
| * pixel.c: h264 encoder |
| ***************************************************************************** |
| * Copyright (C) 2003-2008 x264 project |
| * |
| * Authors: Loren Merritt <lorenm@u.washington.edu> |
| * Laurent Aimar <fenrir@via.ecp.fr> |
| * |
| * 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 |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA. |
| *****************************************************************************/ |
| |
| #include "common.h" |
| |
| #ifdef HAVE_MMX |
| # include "x86/pixel.h" |
| #endif |
| #ifdef ARCH_PPC |
| # include "ppc/pixel.h" |
| #endif |
| #ifdef ARCH_UltraSparc |
| # include "sparc/pixel.h" |
| #endif |
| |
| |
| /**************************************************************************** |
| * pixel_sad_WxH |
| ****************************************************************************/ |
| #define PIXEL_SAD_C( name, lx, ly ) \ |
| static int name( uint8_t *pix1, int i_stride_pix1, \ |
| uint8_t *pix2, int i_stride_pix2 ) \ |
| { \ |
| int i_sum = 0; \ |
| int x, y; \ |
| for( y = 0; y < ly; y++ ) \ |
| { \ |
| for( x = 0; x < lx; x++ ) \ |
| { \ |
| i_sum += abs( pix1[x] - pix2[x] ); \ |
| } \ |
| pix1 += i_stride_pix1; \ |
| pix2 += i_stride_pix2; \ |
| } \ |
| return i_sum; \ |
| } |
| |
| |
| PIXEL_SAD_C( x264_pixel_sad_16x16, 16, 16 ) |
| PIXEL_SAD_C( x264_pixel_sad_16x8, 16, 8 ) |
| PIXEL_SAD_C( x264_pixel_sad_8x16, 8, 16 ) |
| PIXEL_SAD_C( x264_pixel_sad_8x8, 8, 8 ) |
| PIXEL_SAD_C( x264_pixel_sad_8x4, 8, 4 ) |
| PIXEL_SAD_C( x264_pixel_sad_4x8, 4, 8 ) |
| PIXEL_SAD_C( x264_pixel_sad_4x4, 4, 4 ) |
| |
| |
| /**************************************************************************** |
| * pixel_ssd_WxH |
| ****************************************************************************/ |
| #define PIXEL_SSD_C( name, lx, ly ) \ |
| static int name( uint8_t *pix1, int i_stride_pix1, \ |
| uint8_t *pix2, int i_stride_pix2 ) \ |
| { \ |
| int i_sum = 0; \ |
| int x, y; \ |
| for( y = 0; y < ly; y++ ) \ |
| { \ |
| for( x = 0; x < lx; x++ ) \ |
| { \ |
| int d = pix1[x] - pix2[x]; \ |
| i_sum += d*d; \ |
| } \ |
| pix1 += i_stride_pix1; \ |
| pix2 += i_stride_pix2; \ |
| } \ |
| return i_sum; \ |
| } |
| |
| PIXEL_SSD_C( x264_pixel_ssd_16x16, 16, 16 ) |
| PIXEL_SSD_C( x264_pixel_ssd_16x8, 16, 8 ) |
| PIXEL_SSD_C( x264_pixel_ssd_8x16, 8, 16 ) |
| PIXEL_SSD_C( x264_pixel_ssd_8x8, 8, 8 ) |
| PIXEL_SSD_C( x264_pixel_ssd_8x4, 8, 4 ) |
| PIXEL_SSD_C( x264_pixel_ssd_4x8, 4, 8 ) |
| PIXEL_SSD_C( x264_pixel_ssd_4x4, 4, 4 ) |
| |
| int64_t x264_pixel_ssd_wxh( x264_pixel_function_t *pf, uint8_t *pix1, int i_pix1, uint8_t *pix2, int i_pix2, int i_width, int i_height ) |
| { |
| int64_t i_ssd = 0; |
| int x, y; |
| int align = !(((long)pix1 | (long)pix2 | i_pix1 | i_pix2) & 15); |
| |
| #define SSD(size) i_ssd += pf->ssd[size]( pix1 + y*i_pix1 + x, i_pix1, \ |
| pix2 + y*i_pix2 + x, i_pix2 ); |
| for( y = 0; y < i_height-15; y += 16 ) |
| { |
| x = 0; |
| if( align ) |
| for( ; x < i_width-15; x += 16 ) |
| SSD(PIXEL_16x16); |
| for( ; x < i_width-7; x += 8 ) |
| SSD(PIXEL_8x16); |
| } |
| if( y < i_height-7 ) |
| for( x = 0; x < i_width-7; x += 8 ) |
| SSD(PIXEL_8x8); |
| #undef SSD |
| |
| #define SSD1 { int d = pix1[y*i_pix1+x] - pix2[y*i_pix2+x]; i_ssd += d*d; } |
| if( i_width % 8 != 0 ) |
| { |
| for( y = 0; y < (i_height & ~7); y++ ) |
| for( x = i_width & ~7; x < i_width; x++ ) |
| SSD1; |
| } |
| if( i_height % 8 != 0 ) |
| { |
| for( y = i_height & ~7; y < i_height; y++ ) |
| for( x = 0; x < i_width; x++ ) |
| SSD1; |
| } |
| #undef SSD1 |
| |
| return i_ssd; |
| } |
| |
| |
| /**************************************************************************** |
| * pixel_var_wxh |
| ****************************************************************************/ |
| #define PIXEL_VAR_C( name, w, shift ) \ |
| static int name( uint8_t *pix, int i_stride, uint32_t *sad ) \ |
| { \ |
| uint32_t var = 0, sum = 0, sqr = 0; \ |
| int x, y; \ |
| for( y = 0; y < w; y++ ) \ |
| { \ |
| for( x = 0; x < w; x++ ) \ |
| { \ |
| sum += pix[x]; \ |
| sqr += pix[x] * pix[x]; \ |
| } \ |
| pix += i_stride; \ |
| } \ |
| var = sqr - (sum * sum >> shift); \ |
| *sad = sum; \ |
| return var; \ |
| } |
| |
| PIXEL_VAR_C( x264_pixel_var_16x16, 16, 8 ) |
| PIXEL_VAR_C( x264_pixel_var_8x8, 8, 6 ) |
| |
| |
| #define HADAMARD4(d0,d1,d2,d3,s0,s1,s2,s3) {\ |
| int t0 = s0 + s1;\ |
| int t1 = s0 - s1;\ |
| int t2 = s2 + s3;\ |
| int t3 = s2 - s3;\ |
| d0 = t0 + t2;\ |
| d2 = t0 - t2;\ |
| d1 = t1 + t3;\ |
| d3 = t1 - t3;\ |
| } |
| |
| /**************************************************************************** |
| * pixel_satd_WxH: sum of 4x4 Hadamard transformed differences |
| ****************************************************************************/ |
| static int pixel_satd_wxh( uint8_t *pix1, int i_pix1, uint8_t *pix2, int i_pix2, int i_width, int i_height ) |
| { |
| int16_t tmp[4][4]; |
| int x, y; |
| int i_satd = 0; |
| |
| for( y = 0; y < i_height; y += 4 ) |
| { |
| for( x = 0; x < i_width; x += 4 ) |
| { |
| int i; |
| uint8_t *p1 = pix1+x, *p2 = pix2+x; |
| |
| for( i=0; i<4; i++, p1+=i_pix1, p2+=i_pix2 ) |
| { |
| int a0 = p1[0] - p2[0]; |
| int a1 = p1[1] - p2[1]; |
| int a2 = p1[2] - p2[2]; |
| int a3 = p1[3] - p2[3]; |
| HADAMARD4( tmp[i][0], tmp[i][1], tmp[i][2], tmp[i][3], a0,a1,a2,a3 ); |
| } |
| for( i=0; i<4; i++ ) |
| { |
| int a0,a1,a2,a3; |
| HADAMARD4( a0,a1,a2,a3, tmp[0][i], tmp[1][i], tmp[2][i], tmp[3][i] ); |
| i_satd += abs(a0) + abs(a1) + abs(a2) + abs(a3); |
| } |
| |
| } |
| pix1 += 4 * i_pix1; |
| pix2 += 4 * i_pix2; |
| } |
| |
| return i_satd / 2; |
| } |
| #define PIXEL_SATD_C( name, width, height ) \ |
| static int name( uint8_t *pix1, int i_stride_pix1, \ |
| uint8_t *pix2, int i_stride_pix2 ) \ |
| { \ |
| return pixel_satd_wxh( pix1, i_stride_pix1, pix2, i_stride_pix2, width, height ); \ |
| } |
| PIXEL_SATD_C( x264_pixel_satd_16x16, 16, 16 ) |
| PIXEL_SATD_C( x264_pixel_satd_16x8, 16, 8 ) |
| PIXEL_SATD_C( x264_pixel_satd_8x16, 8, 16 ) |
| PIXEL_SATD_C( x264_pixel_satd_8x8, 8, 8 ) |
| PIXEL_SATD_C( x264_pixel_satd_8x4, 8, 4 ) |
| PIXEL_SATD_C( x264_pixel_satd_4x8, 4, 8 ) |
| PIXEL_SATD_C( x264_pixel_satd_4x4, 4, 4 ) |
| |
| |
| /**************************************************************************** |
| * pixel_sa8d_WxH: sum of 8x8 Hadamard transformed differences |
| ****************************************************************************/ |
| #define SA8D_1D {\ |
| int b0,b1,b2,b3,b4,b5,b6,b7;\ |
| HADAMARD4( b0,b1,b2,b3, SRC(0), SRC(1), SRC(2), SRC(3) );\ |
| HADAMARD4( b4,b5,b6,b7, SRC(4), SRC(5), SRC(6), SRC(7) );\ |
| DST(0, b0 + b4);\ |
| DST(4, b0 - b4);\ |
| DST(1, b1 + b5);\ |
| DST(5, b1 - b5);\ |
| DST(2, b2 + b6);\ |
| DST(6, b2 - b6);\ |
| DST(3, b3 + b7);\ |
| DST(7, b3 - b7);\ |
| } |
| |
| static inline int pixel_sa8d_wxh( uint8_t *pix1, int i_pix1, uint8_t *pix2, int i_pix2, |
| int i_width, int i_height ) |
| { |
| int16_t diff[8][8]; |
| int i_satd = 0; |
| int x, y; |
| |
| for( y = 0; y < i_height; y += 8 ) |
| { |
| for( x = 0; x < i_width; x += 8 ) |
| { |
| int i; |
| uint8_t *p1 = pix1+x, *p2 = pix2+x; |
| |
| #define SRC(x) a##x |
| #define DST(x,rhs) diff[i][x] = (rhs) |
| for( i=0; i<8; i++, p1+=i_pix1, p2+=i_pix2 ) |
| { |
| int a0 = p1[0] - p2[0]; |
| int a1 = p1[1] - p2[1]; |
| int a2 = p1[2] - p2[2]; |
| int a3 = p1[3] - p2[3]; |
| int a4 = p1[4] - p2[4]; |
| int a5 = p1[5] - p2[5]; |
| int a6 = p1[6] - p2[6]; |
| int a7 = p1[7] - p2[7]; |
| SA8D_1D |
| } |
| #undef SRC |
| #undef DST |
| |
| #define SRC(x) diff[x][i] |
| #define DST(x,rhs) i_satd += abs(rhs) |
| for( i=0; i<8; i++ ) |
| SA8D_1D |
| #undef SRC |
| #undef DST |
| } |
| pix1 += 8 * i_pix1; |
| pix2 += 8 * i_pix2; |
| } |
| |
| return i_satd; |
| } |
| |
| #define PIXEL_SA8D_C( width, height ) \ |
| static int x264_pixel_sa8d_##width##x##height( uint8_t *pix1, int i_stride_pix1, \ |
| uint8_t *pix2, int i_stride_pix2 ) \ |
| { \ |
| return ( pixel_sa8d_wxh( pix1, i_stride_pix1, pix2, i_stride_pix2, width, height ) + 2 ) >> 2; \ |
| } |
| PIXEL_SA8D_C( 16, 16 ) |
| PIXEL_SA8D_C( 16, 8 ) |
| PIXEL_SA8D_C( 8, 16 ) |
| PIXEL_SA8D_C( 8, 8 ) |
| |
| |
| static uint64_t pixel_hadamard_ac( uint8_t *pix, int stride ) |
| { |
| int16_t tmp[8][8]; |
| int sum4=0, sum8=0; |
| int i; |
| for( i=0; i<8; i++, pix+=stride ) |
| { |
| HADAMARD4( tmp[0][i], tmp[1][i], tmp[2][i], tmp[3][i], |
| pix[0], pix[1], pix[2], pix[3] ); |
| HADAMARD4( tmp[4][i], tmp[5][i], tmp[6][i], tmp[7][i], |
| pix[4], pix[5], pix[6], pix[7] ); |
| } |
| for( i=0; i<8; i++ ) |
| { |
| int a0,a1,a2,a3,a4,a5,a6,a7; |
| HADAMARD4( a0,a1,a2,a3, tmp[i][0], tmp[i][1], tmp[i][2], tmp[i][3] ); |
| sum4 += abs(a0) + abs(a1) + abs(a2) + abs(a3); |
| HADAMARD4( a4,a5,a6,a7, tmp[i][4], tmp[i][5], tmp[i][6], tmp[i][7] ); |
| sum4 += abs(a4) + abs(a5) + abs(a6) + abs(a7); |
| tmp[i][0] = a0 + a4; |
| tmp[i][4] = a0 - a4; |
| tmp[i][1] = a1 + a5; |
| tmp[i][5] = a1 - a5; |
| tmp[i][2] = a2 + a6; |
| tmp[i][6] = a2 - a6; |
| tmp[i][3] = a3 + a7; |
| tmp[i][7] = a3 - a7; |
| } |
| for( i=0; i<8; i++ ) |
| { |
| sum8 += abs( tmp[0][i] + tmp[4][i] ) |
| + abs( tmp[0][i] - tmp[4][i] ) |
| + abs( tmp[1][i] + tmp[5][i] ) |
| + abs( tmp[1][i] - tmp[5][i] ) |
| + abs( tmp[2][i] + tmp[6][i] ) |
| + abs( tmp[2][i] - tmp[6][i] ) |
| + abs( tmp[3][i] + tmp[7][i] ) |
| + abs( tmp[3][i] - tmp[7][i] ); |
| } |
| sum4 -= tmp[0][0]+tmp[4][0]; |
| sum8 -= tmp[0][0]+tmp[4][0]; |
| return ((uint64_t)sum8<<32) + sum4; |
| } |
| |
| #define HADAMARD_AC(w,h) \ |
| static uint64_t x264_pixel_hadamard_ac_##w##x##h( uint8_t *pix, int stride )\ |
| {\ |
| uint64_t sum = pixel_hadamard_ac( pix, stride );\ |
| if( w==16 )\ |
| sum += pixel_hadamard_ac( pix+8, stride );\ |
| if( h==16 )\ |
| sum += pixel_hadamard_ac( pix+8*stride, stride );\ |
| if( w==16 && h==16 )\ |
| sum += pixel_hadamard_ac( pix+8*stride+8, stride );\ |
| return ((sum>>34)<<32) + ((uint32_t)sum>>1);\ |
| } |
| HADAMARD_AC( 16, 16 ) |
| HADAMARD_AC( 16, 8 ) |
| HADAMARD_AC( 8, 16 ) |
| HADAMARD_AC( 8, 8 ) |
| |
| |
| /**************************************************************************** |
| * pixel_sad_x4 |
| ****************************************************************************/ |
| #define SAD_X( size ) \ |
| static void x264_pixel_sad_x3_##size( uint8_t *fenc, uint8_t *pix0, uint8_t *pix1, uint8_t *pix2, int i_stride, int scores[3] )\ |
| {\ |
| scores[0] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix0, i_stride );\ |
| scores[1] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix1, i_stride );\ |
| scores[2] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix2, i_stride );\ |
| }\ |
| static void x264_pixel_sad_x4_##size( uint8_t *fenc, uint8_t *pix0, uint8_t *pix1, uint8_t *pix2, uint8_t *pix3, int i_stride, int scores[4] )\ |
| {\ |
| scores[0] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix0, i_stride );\ |
| scores[1] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix1, i_stride );\ |
| scores[2] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix2, i_stride );\ |
| scores[3] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix3, i_stride );\ |
| } |
| |
| SAD_X( 16x16 ) |
| SAD_X( 16x8 ) |
| SAD_X( 8x16 ) |
| SAD_X( 8x8 ) |
| SAD_X( 8x4 ) |
| SAD_X( 4x8 ) |
| SAD_X( 4x4 ) |
| |
| #ifdef ARCH_UltraSparc |
| SAD_X( 16x16_vis ) |
| SAD_X( 16x8_vis ) |
| SAD_X( 8x16_vis ) |
| SAD_X( 8x8_vis ) |
| #endif |
| |
| /**************************************************************************** |
| * pixel_satd_x4 |
| * no faster than single satd, but needed for satd to be a drop-in replacement for sad |
| ****************************************************************************/ |
| |
| #define SATD_X( size, cpu ) \ |
| static void x264_pixel_satd_x3_##size##cpu( uint8_t *fenc, uint8_t *pix0, uint8_t *pix1, uint8_t *pix2, int i_stride, int scores[3] )\ |
| {\ |
| scores[0] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix0, i_stride );\ |
| scores[1] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix1, i_stride );\ |
| scores[2] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix2, i_stride );\ |
| }\ |
| static void x264_pixel_satd_x4_##size##cpu( uint8_t *fenc, uint8_t *pix0, uint8_t *pix1, uint8_t *pix2, uint8_t *pix3, int i_stride, int scores[4] )\ |
| {\ |
| scores[0] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix0, i_stride );\ |
| scores[1] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix1, i_stride );\ |
| scores[2] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix2, i_stride );\ |
| scores[3] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix3, i_stride );\ |
| } |
| #define SATD_X_DECL6( cpu )\ |
| SATD_X( 16x16, cpu )\ |
| SATD_X( 16x8, cpu )\ |
| SATD_X( 8x16, cpu )\ |
| SATD_X( 8x8, cpu )\ |
| SATD_X( 8x4, cpu )\ |
| SATD_X( 4x8, cpu ) |
| #define SATD_X_DECL7( cpu )\ |
| SATD_X_DECL6( cpu )\ |
| SATD_X( 4x4, cpu ) |
| |
| SATD_X_DECL7() |
| #ifdef HAVE_MMX |
| SATD_X_DECL7( _mmxext ) |
| SATD_X_DECL6( _sse2 ) |
| SATD_X_DECL7( _ssse3 ) |
| SATD_X_DECL6( _ssse3_phadd ) |
| #endif |
| |
| /**************************************************************************** |
| * structural similarity metric |
| ****************************************************************************/ |
| static void ssim_4x4x2_core( const uint8_t *pix1, int stride1, |
| const uint8_t *pix2, int stride2, |
| int sums[2][4]) |
| { |
| int x, y, z; |
| for(z=0; z<2; z++) |
| { |
| uint32_t s1=0, s2=0, ss=0, s12=0; |
| for(y=0; y<4; y++) |
| for(x=0; x<4; x++) |
| { |
| int a = pix1[x+y*stride1]; |
| int b = pix2[x+y*stride2]; |
| s1 += a; |
| s2 += b; |
| ss += a*a; |
| ss += b*b; |
| s12 += a*b; |
| } |
| sums[z][0] = s1; |
| sums[z][1] = s2; |
| sums[z][2] = ss; |
| sums[z][3] = s12; |
| pix1 += 4; |
| pix2 += 4; |
| } |
| } |
| |
| static float ssim_end1( int s1, int s2, int ss, int s12 ) |
| { |
| static const int ssim_c1 = (int)(.01*.01*255*255*64 + .5); |
| static const int ssim_c2 = (int)(.03*.03*255*255*64*63 + .5); |
| int vars = ss*64 - s1*s1 - s2*s2; |
| int covar = s12*64 - s1*s2; |
| return (float)(2*s1*s2 + ssim_c1) * (float)(2*covar + ssim_c2)\ |
| / ((float)(s1*s1 + s2*s2 + ssim_c1) * (float)(vars + ssim_c2)); |
| } |
| |
| static float ssim_end4( int sum0[5][4], int sum1[5][4], int width ) |
| { |
| int i; |
| float ssim = 0.0; |
| for( i = 0; i < width; i++ ) |
| ssim += ssim_end1( sum0[i][0] + sum0[i+1][0] + sum1[i][0] + sum1[i+1][0], |
| sum0[i][1] + sum0[i+1][1] + sum1[i][1] + sum1[i+1][1], |
| sum0[i][2] + sum0[i+1][2] + sum1[i][2] + sum1[i+1][2], |
| sum0[i][3] + sum0[i+1][3] + sum1[i][3] + sum1[i+1][3] ); |
| return ssim; |
| } |
| |
| float x264_pixel_ssim_wxh( x264_pixel_function_t *pf, |
| uint8_t *pix1, int stride1, |
| uint8_t *pix2, int stride2, |
| int width, int height ) |
| { |
| int x, y, z; |
| float ssim = 0.0; |
| int (*sum0)[4] = x264_malloc(4 * (width/4+3) * sizeof(int)); |
| int (*sum1)[4] = x264_malloc(4 * (width/4+3) * sizeof(int)); |
| width >>= 2; |
| height >>= 2; |
| z = 0; |
| for( y = 1; y < height; y++ ) |
| { |
| for( ; z <= y; z++ ) |
| { |
| XCHG( void*, sum0, sum1 ); |
| for( x = 0; x < width; x+=2 ) |
| pf->ssim_4x4x2_core( &pix1[4*(x+z*stride1)], stride1, &pix2[4*(x+z*stride2)], stride2, &sum0[x] ); |
| } |
| for( x = 0; x < width-1; x += 4 ) |
| ssim += pf->ssim_end4( sum0+x, sum1+x, X264_MIN(4,width-x-1) ); |
| } |
| x264_free(sum0); |
| x264_free(sum1); |
| return ssim; |
| } |
| |
| |
| /**************************************************************************** |
| * successive elimination |
| ****************************************************************************/ |
| static int x264_pixel_ads4( int enc_dc[4], uint16_t *sums, int delta, |
| uint16_t *cost_mvx, int16_t *mvs, int width, int thresh ) |
| { |
| int nmv=0, i; |
| for( i=0; i<width; i++, sums++ ) |
| { |
| int ads = abs( enc_dc[0] - sums[0] ) |
| + abs( enc_dc[1] - sums[8] ) |
| + abs( enc_dc[2] - sums[delta] ) |
| + abs( enc_dc[3] - sums[delta+8] ) |
| + cost_mvx[i]; |
| if( ads < thresh ) |
| mvs[nmv++] = i; |
| } |
| return nmv; |
| } |
| |
| static int x264_pixel_ads2( int enc_dc[2], uint16_t *sums, int delta, |
| uint16_t *cost_mvx, int16_t *mvs, int width, int thresh ) |
| { |
| int nmv=0, i; |
| for( i=0; i<width; i++, sums++ ) |
| { |
| int ads = abs( enc_dc[0] - sums[0] ) |
| + abs( enc_dc[1] - sums[delta] ) |
| + cost_mvx[i]; |
| if( ads < thresh ) |
| mvs[nmv++] = i; |
| } |
| return nmv; |
| } |
| |
| static int x264_pixel_ads1( int enc_dc[1], uint16_t *sums, int delta, |
| uint16_t *cost_mvx, int16_t *mvs, int width, int thresh ) |
| { |
| int nmv=0, i; |
| for( i=0; i<width; i++, sums++ ) |
| { |
| int ads = abs( enc_dc[0] - sums[0] ) |
| + cost_mvx[i]; |
| if( ads < thresh ) |
| mvs[nmv++] = i; |
| } |
| return nmv; |
| } |
| |
| |
| /**************************************************************************** |
| * x264_pixel_init: |
| ****************************************************************************/ |
| void x264_pixel_init( int cpu, x264_pixel_function_t *pixf ) |
| { |
| memset( pixf, 0, sizeof(*pixf) ); |
| |
| #define INIT2_NAME( name1, name2, cpu ) \ |
| pixf->name1[PIXEL_16x16] = x264_pixel_##name2##_16x16##cpu;\ |
| pixf->name1[PIXEL_16x8] = x264_pixel_##name2##_16x8##cpu; |
| #define INIT4_NAME( name1, name2, cpu ) \ |
| INIT2_NAME( name1, name2, cpu ) \ |
| pixf->name1[PIXEL_8x16] = x264_pixel_##name2##_8x16##cpu;\ |
| pixf->name1[PIXEL_8x8] = x264_pixel_##name2##_8x8##cpu; |
| #define INIT5_NAME( name1, name2, cpu ) \ |
| INIT4_NAME( name1, name2, cpu ) \ |
| pixf->name1[PIXEL_8x4] = x264_pixel_##name2##_8x4##cpu; |
| #define INIT6_NAME( name1, name2, cpu ) \ |
| INIT5_NAME( name1, name2, cpu ) \ |
| pixf->name1[PIXEL_4x8] = x264_pixel_##name2##_4x8##cpu; |
| #define INIT7_NAME( name1, name2, cpu ) \ |
| INIT6_NAME( name1, name2, cpu ) \ |
| pixf->name1[PIXEL_4x4] = x264_pixel_##name2##_4x4##cpu; |
| #define INIT2( name, cpu ) INIT2_NAME( name, name, cpu ) |
| #define INIT4( name, cpu ) INIT4_NAME( name, name, cpu ) |
| #define INIT5( name, cpu ) INIT5_NAME( name, name, cpu ) |
| #define INIT6( name, cpu ) INIT6_NAME( name, name, cpu ) |
| #define INIT7( name, cpu ) INIT7_NAME( name, name, cpu ) |
| |
| #define INIT_ADS( cpu ) \ |
| pixf->ads[PIXEL_16x16] = x264_pixel_ads4##cpu;\ |
| pixf->ads[PIXEL_16x8] = x264_pixel_ads2##cpu;\ |
| pixf->ads[PIXEL_8x8] = x264_pixel_ads1##cpu; |
| |
| INIT7( sad, ); |
| INIT7_NAME( sad_aligned, sad, ); |
| INIT7( sad_x3, ); |
| INIT7( sad_x4, ); |
| INIT7( ssd, ); |
| INIT7( satd, ); |
| INIT7( satd_x3, ); |
| INIT7( satd_x4, ); |
| INIT4( sa8d, ); |
| INIT4( hadamard_ac, ); |
| INIT_ADS( ); |
| |
| pixf->var[PIXEL_16x16] = x264_pixel_var_16x16; |
| pixf->var[PIXEL_8x8] = x264_pixel_var_8x8; |
| |
| pixf->ssim_4x4x2_core = ssim_4x4x2_core; |
| pixf->ssim_end4 = ssim_end4; |
| |
| #ifdef HAVE_MMX |
| if( cpu&X264_CPU_MMX ) |
| { |
| INIT7( ssd, _mmx ); |
| } |
| |
| if( cpu&X264_CPU_MMXEXT ) |
| { |
| INIT7( sad, _mmxext ); |
| INIT7_NAME( sad_aligned, sad, _mmxext ); |
| INIT7( sad_x3, _mmxext ); |
| INIT7( sad_x4, _mmxext ); |
| INIT7( satd, _mmxext ); |
| INIT7( satd_x3, _mmxext ); |
| INIT7( satd_x4, _mmxext ); |
| INIT4( hadamard_ac, _mmxext ); |
| INIT_ADS( _mmxext ); |
| pixf->var[PIXEL_16x16] = x264_pixel_var_16x16_mmxext; |
| pixf->var[PIXEL_8x8] = x264_pixel_var_8x8_mmxext; |
| #ifdef ARCH_X86 |
| pixf->sa8d[PIXEL_16x16] = x264_pixel_sa8d_16x16_mmxext; |
| pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_mmxext; |
| pixf->intra_sa8d_x3_8x8 = x264_intra_sa8d_x3_8x8_mmxext; |
| pixf->ssim_4x4x2_core = x264_pixel_ssim_4x4x2_core_mmxext; |
| |
| if( cpu&X264_CPU_CACHELINE_32 ) |
| { |
| INIT5( sad, _cache32_mmxext ); |
| INIT4( sad_x3, _cache32_mmxext ); |
| INIT4( sad_x4, _cache32_mmxext ); |
| } |
| else if( cpu&X264_CPU_CACHELINE_64 ) |
| { |
| INIT5( sad, _cache64_mmxext ); |
| INIT4( sad_x3, _cache64_mmxext ); |
| INIT4( sad_x4, _cache64_mmxext ); |
| } |
| #else |
| if( cpu&X264_CPU_CACHELINE_64 ) |
| { |
| pixf->sad[PIXEL_8x16] = x264_pixel_sad_8x16_cache64_mmxext; |
| pixf->sad[PIXEL_8x8] = x264_pixel_sad_8x8_cache64_mmxext; |
| pixf->sad[PIXEL_8x4] = x264_pixel_sad_8x4_cache64_mmxext; |
| pixf->sad_x3[PIXEL_8x16] = x264_pixel_sad_x3_8x16_cache64_mmxext; |
| pixf->sad_x3[PIXEL_8x8] = x264_pixel_sad_x3_8x8_cache64_mmxext; |
| pixf->sad_x4[PIXEL_8x16] = x264_pixel_sad_x4_8x16_cache64_mmxext; |
| pixf->sad_x4[PIXEL_8x8] = x264_pixel_sad_x4_8x8_cache64_mmxext; |
| } |
| #endif |
| pixf->intra_satd_x3_16x16 = x264_intra_satd_x3_16x16_mmxext; |
| pixf->intra_sad_x3_16x16 = x264_intra_sad_x3_16x16_mmxext; |
| pixf->intra_satd_x3_8x8c = x264_intra_satd_x3_8x8c_mmxext; |
| pixf->intra_satd_x3_4x4 = x264_intra_satd_x3_4x4_mmxext; |
| } |
| |
| if( (cpu&X264_CPU_SSE2) && !(cpu&X264_CPU_SSE2_IS_SLOW) ) |
| { |
| INIT2( sad, _sse2 ); |
| INIT2( sad_x3, _sse2 ); |
| INIT2( sad_x4, _sse2 ); |
| if( !(cpu&X264_CPU_STACK_MOD4) ) |
| { |
| INIT4( hadamard_ac, _sse2 ); |
| } |
| INIT_ADS( _sse2 ); |
| pixf->var[PIXEL_8x8] = x264_pixel_var_8x8_sse2; |
| pixf->intra_sad_x3_16x16 = x264_intra_sad_x3_16x16_sse2; |
| #ifdef ARCH_X86 |
| if( cpu&X264_CPU_CACHELINE_64 ) |
| { |
| INIT2( sad, _cache64_sse2 ); |
| INIT2( sad_x3, _cache64_sse2 ); |
| INIT2( sad_x4, _cache64_sse2 ); |
| } |
| #endif |
| if( cpu&X264_CPU_SSE_MISALIGN ) |
| { |
| INIT2( sad_x3, _sse2_misalign ); |
| INIT2( sad_x4, _sse2_misalign ); |
| } |
| } |
| if( cpu&X264_CPU_SSE2 ) |
| { |
| INIT5( ssd, _sse2 ); |
| if( cpu&X264_CPU_SSE2_IS_FAST ) |
| { |
| INIT6( satd, _sse2 ); |
| INIT6( satd_x3, _sse2 ); |
| INIT6( satd_x4, _sse2 ); |
| } |
| else |
| { |
| INIT5( satd, _sse2 ); |
| INIT5( satd_x3, _sse2 ); |
| INIT5( satd_x4, _sse2 ); |
| } |
| INIT2_NAME( sad_aligned, sad, _sse2_aligned ); |
| pixf->var[PIXEL_16x16] = x264_pixel_var_16x16_sse2; |
| pixf->ssim_4x4x2_core = x264_pixel_ssim_4x4x2_core_sse2; |
| pixf->ssim_end4 = x264_pixel_ssim_end4_sse2; |
| pixf->sa8d[PIXEL_16x16] = x264_pixel_sa8d_16x16_sse2; |
| pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_sse2; |
| #ifdef ARCH_X86_64 |
| pixf->intra_sa8d_x3_8x8 = x264_intra_sa8d_x3_8x8_sse2; |
| #endif |
| } |
| |
| if( cpu&X264_CPU_SSE2_IS_FAST && !(cpu&X264_CPU_CACHELINE_64) ) |
| { |
| pixf->sad_aligned[PIXEL_8x16] = x264_pixel_sad_8x16_sse2; |
| pixf->sad[PIXEL_8x16] = x264_pixel_sad_8x16_sse2; |
| pixf->sad_x3[PIXEL_8x16] = x264_pixel_sad_x3_8x16_sse2; |
| pixf->sad_x3[PIXEL_8x8] = x264_pixel_sad_x3_8x8_sse2; |
| pixf->sad_x3[PIXEL_8x4] = x264_pixel_sad_x3_8x4_sse2; |
| pixf->sad_x4[PIXEL_8x16] = x264_pixel_sad_x4_8x16_sse2; |
| pixf->sad_x4[PIXEL_8x8] = x264_pixel_sad_x4_8x8_sse2; |
| pixf->sad_x4[PIXEL_8x4] = x264_pixel_sad_x4_8x4_sse2; |
| } |
| |
| if( (cpu&X264_CPU_SSE3) && (cpu&X264_CPU_CACHELINE_64) ) |
| { |
| INIT2( sad, _sse3 ); |
| INIT2( sad_x3, _sse3 ); |
| INIT2( sad_x4, _sse3 ); |
| } |
| |
| if( cpu&X264_CPU_SSSE3 ) |
| { |
| INIT7( satd, _ssse3 ); |
| INIT7( satd_x3, _ssse3 ); |
| INIT7( satd_x4, _ssse3 ); |
| if( !(cpu&X264_CPU_STACK_MOD4) ) |
| { |
| INIT4( hadamard_ac, _ssse3 ); |
| } |
| INIT_ADS( _ssse3 ); |
| pixf->sa8d[PIXEL_16x16]= x264_pixel_sa8d_16x16_ssse3; |
| pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_ssse3; |
| pixf->intra_satd_x3_16x16 = x264_intra_satd_x3_16x16_ssse3; |
| pixf->intra_sad_x3_16x16 = x264_intra_sad_x3_16x16_ssse3; |
| pixf->intra_satd_x3_8x8c = x264_intra_satd_x3_8x8c_ssse3; |
| pixf->intra_satd_x3_4x4 = x264_intra_satd_x3_4x4_ssse3; |
| #ifdef ARCH_X86_64 |
| pixf->intra_sa8d_x3_8x8 = x264_intra_sa8d_x3_8x8_ssse3; |
| #endif |
| if( cpu&X264_CPU_CACHELINE_64 ) |
| { |
| INIT2( sad, _cache64_ssse3 ); |
| INIT2( sad_x3, _cache64_ssse3 ); |
| INIT2( sad_x4, _cache64_ssse3 ); |
| } |
| if( cpu&X264_CPU_PHADD_IS_FAST ) |
| { |
| INIT6( satd, _ssse3_phadd ); |
| INIT6( satd_x3, _ssse3_phadd ); |
| INIT6( satd_x4, _ssse3_phadd ); |
| } |
| } |
| |
| if( cpu&X264_CPU_SSE4 ) |
| { |
| pixf->ssd[PIXEL_4x8] = x264_pixel_ssd_4x8_sse4; |
| pixf->ssd[PIXEL_4x4] = x264_pixel_ssd_4x4_sse4; |
| } |
| #endif //HAVE_MMX |
| |
| #ifdef ARCH_PPC |
| if( cpu&X264_CPU_ALTIVEC ) |
| { |
| x264_pixel_altivec_init( pixf ); |
| } |
| #endif |
| #ifdef ARCH_UltraSparc |
| INIT4( sad, _vis ); |
| INIT4( sad_x3, _vis ); |
| INIT4( sad_x4, _vis ); |
| #endif |
| |
| pixf->ads[PIXEL_8x16] = |
| pixf->ads[PIXEL_8x4] = |
| pixf->ads[PIXEL_4x8] = pixf->ads[PIXEL_16x8]; |
| pixf->ads[PIXEL_4x4] = pixf->ads[PIXEL_8x8]; |
| } |
| |
