105 lines
3.9 KiB
C
105 lines
3.9 KiB
C
/*****************************************************************************
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* pixel.h: h264 encoder library
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*****************************************************************************
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* Copyright (C) 2003 Laurent Aimar
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* $Id: pixel.h,v 1.1 2004/06/03 19:27:07 fenrir Exp $
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*
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* Authors: Laurent Aimar <fenrir@via.ecp.fr>
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*
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* This program is CC_free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
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*****************************************************************************/
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#ifndef _PIXEL_H
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#define _PIXEL_H 1
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typedef int (*x264_pixel_cmp_t) ( uint8_t *, int, uint8_t *, int );
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typedef int (*x264_pixel_cmp_pde_t) ( uint8_t *, int, uint8_t *, int, int );
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typedef void (*x264_pixel_cmp_x3_t) ( uint8_t *, uint8_t *, uint8_t *, uint8_t *, int, int[3] );
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typedef void (*x264_pixel_cmp_x4_t) ( uint8_t *, uint8_t *, uint8_t *, uint8_t *, uint8_t *, int, int[4] );
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enum
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{
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PIXEL_16x16 = 0,
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PIXEL_16x8 = 1,
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PIXEL_8x16 = 2,
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PIXEL_8x8 = 3,
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PIXEL_8x4 = 4,
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PIXEL_4x8 = 5,
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PIXEL_4x4 = 6,
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PIXEL_4x2 = 7,
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PIXEL_2x4 = 8,
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PIXEL_2x2 = 9,
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};
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static const struct {
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int w;
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int h;
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} x264_pixel_size[7] = {
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{ 16, 16 },
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{ 16, 8 }, { 8, 16 },
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{ 8, 8 },
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{ 8, 4 }, { 4, 8 },
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{ 4, 4 }
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};
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static const int x264_size2pixel[5][5] = {
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{ 0, },
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{ 0, PIXEL_4x4, PIXEL_8x4, 0, 0 },
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{ 0, PIXEL_4x8, PIXEL_8x8, 0, PIXEL_16x8 },
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{ 0, },
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{ 0, 0, PIXEL_8x16, 0, PIXEL_16x16 }
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};
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typedef struct
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{
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x264_pixel_cmp_t sad[7];
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x264_pixel_cmp_t ssd[7];
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x264_pixel_cmp_t satd[7];
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x264_pixel_cmp_t ssim[7];
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x264_pixel_cmp_t sa8d[4];
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x264_pixel_cmp_t mbcmp[7]; /* either satd or sad for subpel refine and mode decision */
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x264_pixel_cmp_t rdcmp[7]; /* either ssd or ssim for rate-distortion */
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void (*ssim_4x4x2_core)( const uint8_t *pix1, int stride1,
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const uint8_t *pix2, int stride2, int sums[2][4] );
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float (*ssim_end4)( int sum0[5][4], int sum1[5][4], int width );
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/* partial distortion elimination:
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* terminate early if partial score is worse than a threshold.
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* may be NULL, in which case just use sad instead. */
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x264_pixel_cmp_pde_t sad_pde[7];
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/* multiple parallel calls to sad. */
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x264_pixel_cmp_x3_t sad_x3[7];
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x264_pixel_cmp_x4_t sad_x4[7];
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/* abs-diff-sum for successive elimination.
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* may round width up to a multiple of 8. */
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void (*ads[7])( int enc_dc[4], uint16_t *sums, int delta,
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uint16_t *res, int width );
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/* calculate satd of V, H, and DC modes.
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* may be NULL, in which case just use pred+satd instead. */
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void (*intra_satd_x3_16x16)( uint8_t *fenc, uint8_t *fdec, int res[3] );
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void (*intra_satd_x3_8x8c)( uint8_t *fenc, uint8_t *fdec, int res[3] );
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void (*intra_satd_x3_4x4)( uint8_t *fenc, uint8_t *fdec, int res[3] );
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void (*intra_sa8d_x3_8x8)( uint8_t *fenc, uint8_t edge[33], int res[3] );
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} x264_pixel_function_t;
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void x264_pixel_init( int cpu, x264_pixel_function_t *pixf );
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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 );
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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 );
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#endif
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