mc.h
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上传日期:2021-12-09
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文件大小:3k
源码类别:
Audio
开发平台:
Visual C++
- /*****************************************************************************
- * 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 *src, int );
- void (*avg_weight[10])( uint8_t *dst, int, uint8_t *src, 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 (*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