Commit | Line | Data |
---|---|---|
2ba45a60 DM |
1 | /* |
2 | * ARM-NEON-optimized IDCT functions | |
3 | * Copyright (c) 2008 Mans Rullgard <mans@mansr.com> | |
4 | * | |
5 | * This file is part of FFmpeg. | |
6 | * | |
7 | * FFmpeg is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU Lesser General Public | |
9 | * License as published by the Free Software Foundation; either | |
10 | * version 2.1 of the License, or (at your option) any later version. | |
11 | * | |
12 | * FFmpeg is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * Lesser General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU Lesser General Public | |
18 | * License along with FFmpeg; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
20 | */ | |
21 | ||
22 | #include "libavutil/arm/asm.S" | |
23 | ||
24 | function ff_put_pixels_clamped_neon, export=1 | |
25 | vld1.16 {d16-d19}, [r0,:128]! | |
26 | vqmovun.s16 d0, q8 | |
27 | vld1.16 {d20-d23}, [r0,:128]! | |
28 | vqmovun.s16 d1, q9 | |
29 | vld1.16 {d24-d27}, [r0,:128]! | |
30 | vqmovun.s16 d2, q10 | |
31 | vld1.16 {d28-d31}, [r0,:128]! | |
32 | vqmovun.s16 d3, q11 | |
33 | vst1.8 {d0}, [r1,:64], r2 | |
34 | vqmovun.s16 d4, q12 | |
35 | vst1.8 {d1}, [r1,:64], r2 | |
36 | vqmovun.s16 d5, q13 | |
37 | vst1.8 {d2}, [r1,:64], r2 | |
38 | vqmovun.s16 d6, q14 | |
39 | vst1.8 {d3}, [r1,:64], r2 | |
40 | vqmovun.s16 d7, q15 | |
41 | vst1.8 {d4}, [r1,:64], r2 | |
42 | vst1.8 {d5}, [r1,:64], r2 | |
43 | vst1.8 {d6}, [r1,:64], r2 | |
44 | vst1.8 {d7}, [r1,:64], r2 | |
45 | bx lr | |
46 | endfunc | |
47 | ||
48 | function ff_put_signed_pixels_clamped_neon, export=1 | |
49 | vmov.u8 d31, #128 | |
50 | vld1.16 {d16-d17}, [r0,:128]! | |
51 | vqmovn.s16 d0, q8 | |
52 | vld1.16 {d18-d19}, [r0,:128]! | |
53 | vqmovn.s16 d1, q9 | |
54 | vld1.16 {d16-d17}, [r0,:128]! | |
55 | vqmovn.s16 d2, q8 | |
56 | vld1.16 {d18-d19}, [r0,:128]! | |
57 | vadd.u8 d0, d0, d31 | |
58 | vld1.16 {d20-d21}, [r0,:128]! | |
59 | vadd.u8 d1, d1, d31 | |
60 | vld1.16 {d22-d23}, [r0,:128]! | |
61 | vadd.u8 d2, d2, d31 | |
62 | vst1.8 {d0}, [r1,:64], r2 | |
63 | vqmovn.s16 d3, q9 | |
64 | vst1.8 {d1}, [r1,:64], r2 | |
65 | vqmovn.s16 d4, q10 | |
66 | vst1.8 {d2}, [r1,:64], r2 | |
67 | vqmovn.s16 d5, q11 | |
68 | vld1.16 {d24-d25}, [r0,:128]! | |
69 | vadd.u8 d3, d3, d31 | |
70 | vld1.16 {d26-d27}, [r0,:128]! | |
71 | vadd.u8 d4, d4, d31 | |
72 | vadd.u8 d5, d5, d31 | |
73 | vst1.8 {d3}, [r1,:64], r2 | |
74 | vqmovn.s16 d6, q12 | |
75 | vst1.8 {d4}, [r1,:64], r2 | |
76 | vqmovn.s16 d7, q13 | |
77 | vst1.8 {d5}, [r1,:64], r2 | |
78 | vadd.u8 d6, d6, d31 | |
79 | vadd.u8 d7, d7, d31 | |
80 | vst1.8 {d6}, [r1,:64], r2 | |
81 | vst1.8 {d7}, [r1,:64], r2 | |
82 | bx lr | |
83 | endfunc | |
84 | ||
85 | function ff_add_pixels_clamped_neon, export=1 | |
86 | mov r3, r1 | |
87 | vld1.8 {d16}, [r1,:64], r2 | |
88 | vld1.16 {d0-d1}, [r0,:128]! | |
89 | vaddw.u8 q0, q0, d16 | |
90 | vld1.8 {d17}, [r1,:64], r2 | |
91 | vld1.16 {d2-d3}, [r0,:128]! | |
92 | vqmovun.s16 d0, q0 | |
93 | vld1.8 {d18}, [r1,:64], r2 | |
94 | vaddw.u8 q1, q1, d17 | |
95 | vld1.16 {d4-d5}, [r0,:128]! | |
96 | vaddw.u8 q2, q2, d18 | |
97 | vst1.8 {d0}, [r3,:64], r2 | |
98 | vqmovun.s16 d2, q1 | |
99 | vld1.8 {d19}, [r1,:64], r2 | |
100 | vld1.16 {d6-d7}, [r0,:128]! | |
101 | vaddw.u8 q3, q3, d19 | |
102 | vqmovun.s16 d4, q2 | |
103 | vst1.8 {d2}, [r3,:64], r2 | |
104 | vld1.8 {d16}, [r1,:64], r2 | |
105 | vqmovun.s16 d6, q3 | |
106 | vld1.16 {d0-d1}, [r0,:128]! | |
107 | vaddw.u8 q0, q0, d16 | |
108 | vst1.8 {d4}, [r3,:64], r2 | |
109 | vld1.8 {d17}, [r1,:64], r2 | |
110 | vld1.16 {d2-d3}, [r0,:128]! | |
111 | vaddw.u8 q1, q1, d17 | |
112 | vst1.8 {d6}, [r3,:64], r2 | |
113 | vqmovun.s16 d0, q0 | |
114 | vld1.8 {d18}, [r1,:64], r2 | |
115 | vld1.16 {d4-d5}, [r0,:128]! | |
116 | vaddw.u8 q2, q2, d18 | |
117 | vst1.8 {d0}, [r3,:64], r2 | |
118 | vqmovun.s16 d2, q1 | |
119 | vld1.8 {d19}, [r1,:64], r2 | |
120 | vqmovun.s16 d4, q2 | |
121 | vld1.16 {d6-d7}, [r0,:128]! | |
122 | vaddw.u8 q3, q3, d19 | |
123 | vst1.8 {d2}, [r3,:64], r2 | |
124 | vqmovun.s16 d6, q3 | |
125 | vst1.8 {d4}, [r3,:64], r2 | |
126 | vst1.8 {d6}, [r3,:64], r2 | |
127 | bx lr | |
128 | endfunc |