/***************************************************************************** * pixel.c: pixel metrics ***************************************************************************** * Copyright (C) 2004-2022 x264 project * * Authors: Loren Merritt * Fiona Glaser Henrik Gramner * * 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. * * This program is also available under a commercial proprietary license. * For more information, contact us at licensing@x264.com. *****************************************************************************/ #ifndef X264_PIXEL_H #define X264_PIXEL_H // SSD assumes all args aligned // other cmp functions assume first arg aligned typedef int (*x264_pixel_cmp_t)( pixel *, intptr_t, pixel *, intptr_t ); typedef void (*x264_pixel_cmp_x3_t)( pixel *, pixel *, pixel *, pixel *, intptr_t, int[3] ); typedef void (*x264_pixel_cmp_x4_t)( pixel *, pixel *, pixel *, pixel *, pixel *, intptr_t, int[4] ); enum { PIXEL_16x16 = 0, PIXEL_16x8 = 1, PIXEL_8x16 = 2, PIXEL_8x8 = 3, PIXEL_8x4 = 4, PIXEL_4x8 = 5, PIXEL_4x4 = 6, /* Subsampled chroma only */ PIXEL_4x16 = 7, /* 4:2:2 */ PIXEL_4x2 = 8, PIXEL_2x8 = 9, /* 4:2:2 */ PIXEL_2x4 = 10, PIXEL_2x2 = 11, }; static const struct { uint8_t w, h; } x264_pixel_size[12] = { { 16, 16 }, { 16, 8 }, { 8, 16 }, { 8, 8 }, { 8, 4 }, { 4, 8 }, { 4, 4 }, { 4, 16 }, { 4, 2 }, { 2, 8 }, { 2, 4 }, { 2, 2 }, }; static const uint8_t x264_size2pixel[5][5] = { { 0, }, { 0, PIXEL_4x4, PIXEL_8x4, 0, 0 }, { 0, PIXEL_4x8, PIXEL_8x8, 0, PIXEL_16x8 }, { 0, }, { 0, 0, PIXEL_8x16, 0, PIXEL_16x16 } }; static const uint8_t x264_luma2chroma_pixel[4][7] = { { 0 }, { PIXEL_8x8, PIXEL_8x4, PIXEL_4x8, PIXEL_4x4, PIXEL_4x2, PIXEL_2x4, PIXEL_2x2 }, /* 4:2:0 */ { PIXEL_8x16, PIXEL_8x8, PIXEL_4x16, PIXEL_4x8, PIXEL_4x4, PIXEL_2x8, PIXEL_2x4 }, /* 4:2:2 */ { PIXEL_16x16, PIXEL_16x8, PIXEL_8x16, PIXEL_8x8, PIXEL_8x4, PIXEL_4x8, PIXEL_4x4 }, /* 4:4:4 */ }; typedef struct { x264_pixel_cmp_t sad[8]; x264_pixel_cmp_t ssd[8]; x264_pixel_cmp_t satd[8]; x264_pixel_cmp_t ssim[7]; x264_pixel_cmp_t sa8d[4]; x264_pixel_cmp_t mbcmp[8]; /* either satd or sad for subpel refine and mode decision */ x264_pixel_cmp_t mbcmp_unaligned[8]; /* unaligned mbcmp for subpel */ x264_pixel_cmp_t fpelcmp[8]; /* either satd or sad for fullpel motion search */ x264_pixel_cmp_x3_t fpelcmp_x3[7]; x264_pixel_cmp_x4_t fpelcmp_x4[7]; x264_pixel_cmp_t sad_aligned[8]; /* Aligned SAD for mbcmp */ int (*vsad)( pixel *, intptr_t, int ); int (*asd8)( pixel *pix1, intptr_t stride1, pixel *pix2, intptr_t stride2, int height ); uint64_t (*sa8d_satd[1])( pixel *pix1, intptr_t stride1, pixel *pix2, intptr_t stride2 ); uint64_t (*var[4])( pixel *pix, intptr_t stride ); int (*var2[4])( pixel *fenc, pixel *fdec, int ssd[2] ); uint64_t (*hadamard_ac[4])( pixel *pix, intptr_t stride ); void (*ssd_nv12_core)( pixel *pixuv1, intptr_t stride1, pixel *pixuv2, intptr_t stride2, int width, int height, uint64_t *ssd_u, uint64_t *ssd_v ); void (*ssim_4x4x2_core)( const pixel *pix1, intptr_t stride1, const pixel *pix2, intptr_t stride2, int sums[2][4] ); float (*ssim_end4)( int sum0[5][4], int sum1[5][4], int width ); /* multiple parallel calls to cmp. */ x264_pixel_cmp_x3_t sad_x3[7]; x264_pixel_cmp_x4_t sad_x4[7]; x264_pixel_cmp_x3_t satd_x3[7]; x264_pixel_cmp_x4_t satd_x4[7]; /* abs-diff-sum for successive elimination. * may round width up to a multiple of 16. */ int (*ads[7])( int enc_dc[4], uint16_t *sums, int delta, uint16_t *cost_mvx, int16_t *mvs, int width, int thresh ); /* calculate satd or sad of V, H, and DC modes. */ void (*intra_mbcmp_x3_16x16)( pixel *fenc, pixel *fdec, int res[3] ); void (*intra_satd_x3_16x16) ( pixel *fenc, pixel *fdec, int res[3] ); void (*intra_sad_x3_16x16) ( pixel *fenc, pixel *fdec, int res[3] ); void (*intra_mbcmp_x3_4x4) ( pixel *fenc, pixel *fdec, int res[3] ); void (*intra_satd_x3_4x4) ( pixel *fenc, pixel *fdec, int res[3] ); void (*intra_sad_x3_4x4) ( pixel *fenc, pixel *fdec, int res[3] ); void (*intra_mbcmp_x3_chroma)( pixel *fenc, pixel *fdec, int res[3] ); void (*intra_satd_x3_chroma) ( pixel *fenc, pixel *fdec, int res[3] ); void (*intra_sad_x3_chroma) ( pixel *fenc, pixel *fdec, int res[3] ); void (*intra_mbcmp_x3_8x16c) ( pixel *fenc, pixel *fdec, int res[3] ); void (*intra_satd_x3_8x16c) ( pixel *fenc, pixel *fdec, int res[3] ); void (*intra_sad_x3_8x16c) ( pixel *fenc, pixel *fdec, int res[3] ); void (*intra_mbcmp_x3_8x8c) ( pixel *fenc, pixel *fdec, int res[3] ); void (*intra_satd_x3_8x8c) ( pixel *fenc, pixel *fdec, int res[3] ); void (*intra_sad_x3_8x8c) ( pixel *fenc, pixel *fdec, int res[3] ); void (*intra_mbcmp_x3_8x8) ( pixel *fenc, pixel edge[36], int res[3] ); void (*intra_sa8d_x3_8x8) ( pixel *fenc, pixel edge[36], int res[3] ); void (*intra_sad_x3_8x8) ( pixel *fenc, pixel edge[36], int res[3] ); /* find minimum satd or sad of all modes, and set fdec. * may be NULL, in which case just use pred+satd instead. */ int (*intra_mbcmp_x9_4x4)( pixel *fenc, pixel *fdec, uint16_t *bitcosts ); int (*intra_satd_x9_4x4) ( pixel *fenc, pixel *fdec, uint16_t *bitcosts ); int (*intra_sad_x9_4x4) ( pixel *fenc, pixel *fdec, uint16_t *bitcosts ); int (*intra_mbcmp_x9_8x8)( pixel *fenc, pixel *fdec, pixel edge[36], uint16_t *bitcosts, uint16_t *satds ); int (*intra_sa8d_x9_8x8) ( pixel *fenc, pixel *fdec, pixel edge[36], uint16_t *bitcosts, uint16_t *satds ); int (*intra_sad_x9_8x8) ( pixel *fenc, pixel *fdec, pixel edge[36], uint16_t *bitcosts, uint16_t *satds ); } x264_pixel_function_t; #define x264_pixel_init x264_template(pixel_init) void x264_pixel_init( uint32_t cpu, x264_pixel_function_t *pixf ); #define x264_pixel_ssd_nv12 x264_template(pixel_ssd_nv12) void x264_pixel_ssd_nv12 ( x264_pixel_function_t *pf, pixel *pix1, intptr_t i_pix1, pixel *pix2, intptr_t i_pix2, int i_width, int i_height, uint64_t *ssd_u, uint64_t *ssd_v ); #define x264_pixel_ssd_wxh x264_template(pixel_ssd_wxh) uint64_t x264_pixel_ssd_wxh( x264_pixel_function_t *pf, pixel *pix1, intptr_t i_pix1, pixel *pix2, intptr_t i_pix2, int i_width, int i_height ); #define x264_pixel_ssim_wxh x264_template(pixel_ssim_wxh) float x264_pixel_ssim_wxh ( x264_pixel_function_t *pf, pixel *pix1, intptr_t i_pix1, pixel *pix2, intptr_t i_pix2, int i_width, int i_height, void *buf, int *cnt ); #define x264_field_vsad x264_template(field_vsad) int x264_field_vsad( x264_t *h, int mb_x, int mb_y ); #endif