1 /*****************************************************************************
2 * mc.h: h264 encoder library (Motion Compensation)
3 *****************************************************************************
4 * Copyright (C) 2003 Laurent Aimar
5 * $Id: mc.h,v 1.1 2004/06/03 19:27:07 fenrir Exp $
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
28 * XXX: Only width = 4, 8 or 16 are valid
29 * width == 4 -> height == 4 or 8
30 * width == 8 -> height == 4 or 8 or 16
31 * width == 16-> height == 8 or 16
36 void (*mc_luma)(uint8_t *dst, int i_dst, uint8_t **src, int i_src,
38 int i_width, int i_height );
40 /* may round up the dimensions if they're not a power of 2 */
41 uint8_t* (*get_ref)(uint8_t *dst, int *i_dst, uint8_t **src, int i_src,
43 int i_width, int i_height );
45 /* mc_chroma may write up to 2 bytes of garbage to the right of dst,
46 * so it must be run from left to right. */
47 void (*mc_chroma)(uint8_t *dst, int i_dst, uint8_t *src, int i_src,
49 int i_width, int i_height );
51 void (*avg[10])( uint8_t *dst, int, uint8_t *src, int );
52 void (*avg_weight[10])( uint8_t *dst, int, uint8_t *src, int, int i_weight );
54 /* only 16x16, 8x8, and 4x4 defined */
55 void (*copy[7])( uint8_t *dst, int, uint8_t *src, int, int i_height );
57 void (*plane_copy)( uint8_t *dst, int i_dst,
58 uint8_t *src, int i_src, int w, int h);
60 void (*hpel_filter)( uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, uint8_t *src,
61 int i_stride, int i_width, int i_height );
63 /* prefetch the next few macroblocks of fenc or fdec */
64 void (*prefetch_fenc)( uint8_t *pix_y, int stride_y,
65 uint8_t *pix_uv, int stride_uv, int mb_x );
66 /* prefetch the next few macroblocks of a hpel reference frame */
67 void (*prefetch_ref)( uint8_t *pix, int stride, int parity );
69 } x264_mc_functions_t;
71 void x264_mc_init( int cpu, x264_mc_functions_t *pf );