| /***************************************************************************** |
| * mc.h: h264 encoder library (Motion Compensation) |
| ***************************************************************************** |
| * 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_MC_H |
| #define X264_MC_H |
| |
| /* Do the MC |
| * XXX: Only width = 4, 8 or 16 are valid |
| * width == 4 -> height == 4 or 8 |
| * width == 8 -> height == 4 or 8 or 16 |
| * width == 16-> height == 8 or 16 |
| * */ |
| |
| typedef struct |
| { |
| void (*mc_luma)(uint8_t *dst, int i_dst, uint8_t **src, int i_src, |
| int mvx, int mvy, |
| int i_width, int i_height ); |
| |
| /* may round up the dimensions if they're not a power of 2 */ |
| uint8_t* (*get_ref)(uint8_t *dst, int *i_dst, uint8_t **src, int i_src, |
| int mvx, int mvy, |
| int i_width, int i_height ); |
| |
| /* mc_chroma may write up to 2 bytes of garbage to the right of dst, |
| * so it must be run from left to right. */ |
| void (*mc_chroma)(uint8_t *dst, int i_dst, uint8_t *src, int i_src, |
| int mvx, int mvy, |
| int i_width, int i_height ); |
| |
| void (*avg[10])( uint8_t *dst, int, uint8_t *src1, int, uint8_t *src2, int, int i_weight ); |
| |
| /* only 16x16, 8x8, and 4x4 defined */ |
| void (*copy[7])( uint8_t *dst, int, uint8_t *src, int, int i_height ); |
| void (*copy_16x16_unaligned)( uint8_t *dst, int, uint8_t *src, int, int i_height ); |
| |
| void (*plane_copy)( uint8_t *dst, int i_dst, |
| uint8_t *src, int i_src, int w, int h); |
| |
| void (*hpel_filter)( uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, uint8_t *src, |
| int i_stride, int i_width, int i_height ); |
| |
| /* prefetch the next few macroblocks of fenc or fdec */ |
| void (*prefetch_fenc)( uint8_t *pix_y, int stride_y, |
| uint8_t *pix_uv, int stride_uv, int mb_x ); |
| /* prefetch the next few macroblocks of a hpel reference frame */ |
| void (*prefetch_ref)( uint8_t *pix, int stride, int parity ); |
| |
| void *(*memcpy_aligned)( void *dst, const void *src, size_t n ); |
| void (*memzero_aligned)( void *dst, int n ); |
| |
| void (*frame_init_lowres_core)( uint8_t *src0, uint8_t *dst0, uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, |
| int src_stride, int dst_stride, int width, int height ); |
| } x264_mc_functions_t; |
| |
| void x264_mc_init( int cpu, x264_mc_functions_t *pf ); |
| |
| #endif |