1 /*****************************************************************************
2 * predict.h: intra prediction
3 *****************************************************************************
4 * Copyright (C) 2003-2011 x264 project
6 * Authors: Loren Merritt <lorenm@u.washington.edu>
7 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
23 * This program is also available under a commercial proprietary license.
24 * For more information, contact us at licensing@x264.com.
25 *****************************************************************************/
27 #ifndef X264_PREDICT_H
28 #define X264_PREDICT_H
30 typedef void (*x264_predict_t)( pixel *src );
31 typedef void (*x264_predict8x8_t)( pixel *src, pixel edge[33] );
32 typedef void (*x264_predict_8x8_filter_t) ( pixel *src, pixel edge[33], int i_neighbor, int i_filters );
34 enum intra_chroma_pred_e
41 I_PRED_CHROMA_DC_LEFT = 4,
42 I_PRED_CHROMA_DC_TOP = 5,
43 I_PRED_CHROMA_DC_128 = 6
45 static const uint8_t x264_mb_pred_mode8x8c_fix[7] =
47 I_PRED_CHROMA_DC, I_PRED_CHROMA_H, I_PRED_CHROMA_V, I_PRED_CHROMA_P,
48 I_PRED_CHROMA_DC, I_PRED_CHROMA_DC,I_PRED_CHROMA_DC
51 enum intra16x16_pred_e
58 I_PRED_16x16_DC_LEFT = 4,
59 I_PRED_16x16_DC_TOP = 5,
60 I_PRED_16x16_DC_128 = 6,
62 static const uint8_t x264_mb_pred_mode16x16_fix[7] =
64 I_PRED_16x16_V, I_PRED_16x16_H, I_PRED_16x16_DC, I_PRED_16x16_P,
65 I_PRED_16x16_DC,I_PRED_16x16_DC,I_PRED_16x16_DC
80 I_PRED_4x4_DC_LEFT = 9,
81 I_PRED_4x4_DC_TOP = 10,
82 I_PRED_4x4_DC_128 = 11,
84 static const int8_t x264_mb_pred_mode4x4_fix[13] =
87 I_PRED_4x4_V, I_PRED_4x4_H, I_PRED_4x4_DC,
88 I_PRED_4x4_DDL, I_PRED_4x4_DDR, I_PRED_4x4_VR,
89 I_PRED_4x4_HD, I_PRED_4x4_VL, I_PRED_4x4_HU,
90 I_PRED_4x4_DC, I_PRED_4x4_DC, I_PRED_4x4_DC
92 #define x264_mb_pred_mode4x4_fix(t) x264_mb_pred_mode4x4_fix[(t)+1]
94 /* must use the same numbering as intra4x4_pred_e */
107 I_PRED_8x8_DC_LEFT = 9,
108 I_PRED_8x8_DC_TOP = 10,
109 I_PRED_8x8_DC_128 = 11,
112 void x264_predict_8x8_dc_c ( pixel *src, pixel edge[33] );
113 void x264_predict_8x8_h_c ( pixel *src, pixel edge[33] );
114 void x264_predict_8x8_v_c ( pixel *src, pixel edge[33] );
115 void x264_predict_4x4_dc_c ( pixel *src );
116 void x264_predict_4x4_h_c ( pixel *src );
117 void x264_predict_4x4_v_c ( pixel *src );
118 void x264_predict_16x16_dc_c( pixel *src );
119 void x264_predict_16x16_h_c ( pixel *src );
120 void x264_predict_16x16_v_c ( pixel *src );
121 void x264_predict_16x16_p_c ( pixel *src );
122 void x264_predict_8x8c_dc_c ( pixel *src );
123 void x264_predict_8x8c_h_c ( pixel *src );
124 void x264_predict_8x8c_v_c ( pixel *src );
125 void x264_predict_8x8c_p_c ( pixel *src );
127 void x264_predict_16x16_init ( int cpu, x264_predict_t pf[7] );
128 void x264_predict_8x8c_init ( int cpu, x264_predict_t pf[7] );
129 void x264_predict_4x4_init ( int cpu, x264_predict_t pf[12] );
130 void x264_predict_8x8_init ( int cpu, x264_predict8x8_t pf[12], x264_predict_8x8_filter_t *predict_filter );