/***************************************************************************** * pixel.h: h264 encoder library ***************************************************************************** * Copyright (C) 2003 Laurent Aimar * $Id: pixel.h,v 1.1 2004/06/03 19:27:07 fenrir Exp $ * * Authors: 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., 59 Temple Place - Suite 330, Boston, MA  02111, USA. *****************************************************************************/#ifndef _PIXEL_H#define _PIXEL_H 1typedef int  (*x264_pixel_cmp_t) ( uint8_t *, int, uint8_t *, int );typedef int  (*x264_pixel_cmp_pde_t) ( uint8_t *, int, uint8_t *, int, 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 int 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 sa8d[4];    x264_pixel_cmp_t mbcmp[7]; /* either satd or sad for subpel refine and mode decision */    /* partial distortion elimination:     * terminate early if partial score is worse than a threshold.     * may be NULL, in which case just use sad instead. */    x264_pixel_cmp_pde_t sad_pde[7];    /* multiple parallel calls to sad. */    x264_pixel_cmp_x3_t sad_x3[7];    x264_pixel_cmp_x4_t sad_x4[7];    /* calculate satd of V, H, and DC modes.     * may be NULL, in which case just use pred+satd instead. */    void (*intra_satd_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 );#endif