| /***************************************************************************** |
| * pixel.h: h264 encoder library |
| ***************************************************************************** |
| * Copyright (C) 2004-2008 Loren Merritt <lorenm@u.washington.edu> |
| * |
| * 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. |
| *****************************************************************************/ |
| |
| #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) ( uint8_t *, int, uint8_t *, int ); |
| typedef void (*x264_pixel_cmp_x3_t) ( uint8_t *, uint8_t *, uint8_t *, uint8_t *, int, int[3] ); |
| typedef void (*x264_pixel_cmp_x4_t) ( uint8_t *, uint8_t *, uint8_t *, uint8_t *, uint8_t *, int, int[4] ); |
| |
| enum |
| { |
| PIXEL_16x16 = 0, |
| PIXEL_16x8 = 1, |
| PIXEL_8x16 = 2, |
| PIXEL_8x8 = 3, |
| PIXEL_8x4 = 4, |
| PIXEL_4x8 = 5, |
| PIXEL_4x4 = 6, |
| PIXEL_4x2 = 7, |
| PIXEL_2x4 = 8, |
| PIXEL_2x2 = 9, |
| }; |
| |
| static const struct { |
| int w; |
| int h; |
| } x264_pixel_size[7] = { |
| { 16, 16 }, |
| { 16, 8 }, { 8, 16 }, |
| { 8, 8 }, |
| { 8, 4 }, { 4, 8 }, |
| { 4, 4 } |
| }; |
| |
| 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 } |
| }; |
| |
| typedef struct |
| { |
| x264_pixel_cmp_t sad[7]; |
| x264_pixel_cmp_t ssd[7]; |
| x264_pixel_cmp_t satd[7]; |
| x264_pixel_cmp_t ssim[7]; |
| x264_pixel_cmp_t sa8d[4]; |
| x264_pixel_cmp_t mbcmp[7]; /* either satd or sad for subpel refine and mode decision */ |
| x264_pixel_cmp_t mbcmp_unaligned[7]; /* unaligned mbcmp for subpel */ |
| x264_pixel_cmp_t fpelcmp[7]; /* 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[7]; /* Aligned SAD for mbcmp */ |
| |
| int (*var[4])( uint8_t *pix, int stride, uint32_t *sad ); |
| uint64_t (*hadamard_ac[4])( uint8_t *pix, int stride ); |
| |
| void (*ssim_4x4x2_core)( const uint8_t *pix1, int stride1, |
| const uint8_t *pix2, int 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. |
| * may be NULL, in which case just use pred+satd instead. */ |
| void (*intra_mbcmp_x3_16x16)( uint8_t *fenc, uint8_t *fdec , int res[3] ); |
| void (*intra_satd_x3_16x16) ( uint8_t *fenc, uint8_t *fdec , int res[3] ); |
| void (*intra_sad_x3_16x16) ( uint8_t *fenc, uint8_t *fdec , int res[3] ); |
| void (*intra_satd_x3_8x8c) ( uint8_t *fenc, uint8_t *fdec , int res[3] ); |
| void (*intra_satd_x3_4x4) ( uint8_t *fenc, uint8_t *fdec , int res[3] ); |
| void (*intra_sa8d_x3_8x8) ( uint8_t *fenc, uint8_t edge[33], int res[3] ); |
| } x264_pixel_function_t; |
| |
| void x264_pixel_init( int cpu, x264_pixel_function_t *pixf ); |
| 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 ); |
| float x264_pixel_ssim_wxh( x264_pixel_function_t *pf, uint8_t *pix1, int i_pix1, uint8_t *pix2, int i_pix2, int i_width, int i_height ); |
| |
| #endif |