]> git.sesse.net Git - x264/blob - common/arm/predict-c.c
arm: Implement some neon 8x16c intra predict functions
[x264] / common / arm / predict-c.c
1 /*****************************************************************************
2  * predict.c: arm intra prediction
3  *****************************************************************************
4  * Copyright (C) 2009-2015 x264 project
5  *
6  * Authors: David Conrad <lessen42@gmail.com>
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
21  *
22  * This program is also available under a commercial proprietary license.
23  * For more information, contact us at licensing@x264.com.
24  *****************************************************************************/
25
26 #include "common/common.h"
27 #include "predict.h"
28 #include "pixel.h"
29
30 void x264_predict_4x4_init_arm( int cpu, x264_predict_t pf[12] )
31 {
32     if (!(cpu&X264_CPU_ARMV6))
33         return;
34
35 #if !HIGH_BIT_DEPTH
36     pf[I_PRED_4x4_H]   = x264_predict_4x4_h_armv6;
37     pf[I_PRED_4x4_V]   = x264_predict_4x4_v_armv6;
38     pf[I_PRED_4x4_DC]  = x264_predict_4x4_dc_armv6;
39     pf[I_PRED_4x4_DDR] = x264_predict_4x4_ddr_armv6;
40
41     if (!(cpu&X264_CPU_NEON))
42         return;
43
44     pf[I_PRED_4x4_DC_TOP] = x264_predict_4x4_dc_top_neon;
45     pf[I_PRED_4x4_DDL] = x264_predict_4x4_ddl_neon;
46 #endif // !HIGH_BIT_DEPTH
47 }
48
49 void x264_predict_8x8c_init_arm( int cpu, x264_predict_t pf[7] )
50 {
51     if (!(cpu&X264_CPU_NEON))
52         return;
53
54 #if !HIGH_BIT_DEPTH
55     pf[I_PRED_CHROMA_DC]      = x264_predict_8x8c_dc_neon;
56     pf[I_PRED_CHROMA_DC_TOP]  = x264_predict_8x8c_dc_top_neon;
57     pf[I_PRED_CHROMA_DC_LEFT] = x264_predict_8x8c_dc_left_neon;
58     pf[I_PRED_CHROMA_H] = x264_predict_8x8c_h_neon;
59     pf[I_PRED_CHROMA_V] = x264_predict_8x8c_v_neon;
60     pf[I_PRED_CHROMA_P] = x264_predict_8x8c_p_neon;
61 #endif // !HIGH_BIT_DEPTH
62 }
63
64 void x264_predict_8x16c_init_arm( int cpu, x264_predict_t pf[7] )
65 {
66     if (!(cpu&X264_CPU_NEON))
67         return;
68
69 #if !HIGH_BIT_DEPTH
70     /* The other functions weren't faster than C (gcc 4.7.3) on Cortex A8 and A9. */
71     pf[I_PRED_CHROMA_DC_TOP]  = x264_predict_8x16c_dc_top_neon;
72     pf[I_PRED_CHROMA_H]       = x264_predict_8x16c_h_neon;
73     pf[I_PRED_CHROMA_P]       = x264_predict_8x16c_p_neon;
74 #endif // !HIGH_BIT_DEPTH
75 }
76
77 void x264_predict_8x8_init_arm( int cpu, x264_predict8x8_t pf[12], x264_predict_8x8_filter_t *predict_filter )
78 {
79     if (!(cpu&X264_CPU_NEON))
80         return;
81
82 #if !HIGH_BIT_DEPTH
83     pf[I_PRED_8x8_DDL] = x264_predict_8x8_ddl_neon;
84     pf[I_PRED_8x8_DDR] = x264_predict_8x8_ddr_neon;
85     pf[I_PRED_8x8_VL]  = x264_predict_8x8_vl_neon;
86     pf[I_PRED_8x8_VR]  = x264_predict_8x8_vr_neon;
87     pf[I_PRED_8x8_DC]  = x264_predict_8x8_dc_neon;
88     pf[I_PRED_8x8_H]   = x264_predict_8x8_h_neon;
89     pf[I_PRED_8x8_HD]  = x264_predict_8x8_hd_neon;
90     pf[I_PRED_8x8_HU]  = x264_predict_8x8_hu_neon;
91     pf[I_PRED_8x8_V]   = x264_predict_8x8_v_neon;
92 #endif // !HIGH_BIT_DEPTH
93 }
94
95 void x264_predict_16x16_init_arm( int cpu, x264_predict_t pf[7] )
96 {
97     if (!(cpu&X264_CPU_NEON))
98         return;
99
100 #if !HIGH_BIT_DEPTH
101     pf[I_PRED_16x16_DC ]    = x264_predict_16x16_dc_neon;
102     pf[I_PRED_16x16_DC_TOP] = x264_predict_16x16_dc_top_neon;
103     pf[I_PRED_16x16_DC_LEFT]= x264_predict_16x16_dc_left_neon;
104     pf[I_PRED_16x16_H ]     = x264_predict_16x16_h_neon;
105     pf[I_PRED_16x16_V ]     = x264_predict_16x16_v_neon;
106     pf[I_PRED_16x16_P ]     = x264_predict_16x16_p_neon;
107 #endif // !HIGH_BIT_DEPTH
108 }