pixel.h
资源名称:X264CODEC.rar [点击查看]
上传用户:lctgjx
上传日期:2022-06-04
资源大小:8887k
文件大小:5k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*****************************************************************************
- * pixel.h: h264 encoder library
- *****************************************************************************
- * 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_PIXEL_H
- #define X264_PIXEL_H
- // SSD assumes all args aligned
- // other cmp functions assume first arg aligned
- typedef int (*x264_pixel_cmp_t) ( uint8_t *, int, uint8_t *, 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 uint8_t 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 ssim[7];
- x264_pixel_cmp_t sa8d[4];
- x264_pixel_cmp_t mbcmp[7]; /* either satd or sad for subpel refine and mode decision */
- x264_pixel_cmp_t mbcmp_unaligned[7]; /* unaligned mbcmp for subpel */
- x264_pixel_cmp_t fpelcmp[7]; /* either satd or sad for fullpel motion search */
- x264_pixel_cmp_x3_t fpelcmp_x3[7];
- x264_pixel_cmp_x4_t fpelcmp_x4[7];
- x264_pixel_cmp_t sad_aligned[7]; /* Aligned SAD for mbcmp */
- int (*var2_8x8)( uint8_t *, int, uint8_t *, int, int * );
- int (*var[4])( uint8_t *pix, int stride );
- uint64_t (*hadamard_ac[4])( uint8_t *pix, int stride );
- void (*ssim_4x4x2_core)( const uint8_t *pix1, int stride1,
- const uint8_t *pix2, int stride2, int sums[2][4] );
- float (*ssim_end4)( int sum0[5][4], int sum1[5][4], int width );
- /* multiple parallel calls to cmp. */
- x264_pixel_cmp_x3_t sad_x3[7];
- x264_pixel_cmp_x4_t sad_x4[7];
- x264_pixel_cmp_x3_t satd_x3[7];
- x264_pixel_cmp_x4_t satd_x4[7];
- /* abs-diff-sum for successive elimination.
- * may round width up to a multiple of 16. */
- int (*ads[7])( int enc_dc[4], uint16_t *sums, int delta,
- uint16_t *cost_mvx, int16_t *mvs, int width, int thresh );
- /* calculate satd or sad of V, H, and DC modes.
- * may be NULL, in which case just use pred+satd instead. */
- void (*intra_mbcmp_x3_16x16)( uint8_t *fenc, uint8_t *fdec , int res[3] );
- void (*intra_satd_x3_16x16) ( uint8_t *fenc, uint8_t *fdec , int res[3] );
- void (*intra_sad_x3_16x16) ( uint8_t *fenc, uint8_t *fdec , int res[3] );
- void (*intra_mbcmp_x3_8x8c) ( 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_sad_x3_8x8c) ( uint8_t *fenc, uint8_t *fdec , int res[3] );
- void (*intra_mbcmp_x3_4x4) ( 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_sad_x3_4x4) ( uint8_t *fenc, uint8_t *fdec , int res[3] );
- void (*intra_mbcmp_x3_8x8) ( uint8_t *fenc, uint8_t edge[33], int res[3] );
- void (*intra_sa8d_x3_8x8) ( uint8_t *fenc, uint8_t edge[33], int res[3] );
- void (*intra_sad_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 );
- 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, void *buf );
- #endif