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comparison libavcodec/arm/aac.h @ 9:ea1ba68cf0ed

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update to match api changes + add sscc produced source
author Nina Engelhardt <nengel@mailbox.tu-berlin.de>
date Wed, 05 Jun 2013 14:43:26 +0200
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1 /*
2 * Copyright (c) 2010 Mans Rullgard <mans@mansr.com>
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #ifndef AVCODEC_ARM_AAC_H
22 #define AVCODEC_ARM_AAC_H
23
24 #include "config.h"
25
26 #if HAVE_NEON && HAVE_INLINE_ASM
27
28 #define VMUL2 VMUL2
29 static inline float *VMUL2(float *dst, const float *v, unsigned idx,
30 const float *scale)
31 {
32 unsigned v0, v1;
33 __asm__ volatile ("ubfx %0, %4, #0, #4 \n\t"
34 "ubfx %1, %4, #4, #4 \n\t"
35 "ldr %0, [%3, %0, lsl #2] \n\t"
36 "ldr %1, [%3, %1, lsl #2] \n\t"
37 "vld1.32 {d1[]}, [%5,:32] \n\t"
38 "vmov d0, %0, %1 \n\t"
39 "vmul.f32 d0, d0, d1 \n\t"
40 "vst1.32 {d0}, [%2,:64]! \n\t"
41 : "=&r"(v0), "=&r"(v1), "+r"(dst)
42 : "r"(v), "r"(idx), "r"(scale)
43 : "d0", "d1");
44 return dst;
45 }
46
47 #define VMUL4 VMUL4
48 static inline float *VMUL4(float *dst, const float *v, unsigned idx,
49 const float *scale)
50 {
51 unsigned v0, v1, v2, v3;
52 __asm__ volatile ("ubfx %0, %6, #0, #2 \n\t"
53 "ubfx %1, %6, #2, #2 \n\t"
54 "ldr %0, [%5, %0, lsl #2] \n\t"
55 "ubfx %2, %6, #4, #2 \n\t"
56 "ldr %1, [%5, %1, lsl #2] \n\t"
57 "ubfx %3, %6, #6, #2 \n\t"
58 "ldr %2, [%5, %2, lsl #2] \n\t"
59 "vmov d0, %0, %1 \n\t"
60 "ldr %3, [%5, %3, lsl #2] \n\t"
61 "vld1.32 {d2[],d3[]},[%7,:32] \n\t"
62 "vmov d1, %2, %3 \n\t"
63 "vmul.f32 q0, q0, q1 \n\t"
64 "vst1.32 {q0}, [%4,:128]! \n\t"
65 : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst)
66 : "r"(v), "r"(idx), "r"(scale)
67 : "d0", "d1", "d2", "d3");
68 return dst;
69 }
70
71 #define VMUL2S VMUL2S
72 static inline float *VMUL2S(float *dst, const float *v, unsigned idx,
73 unsigned sign, const float *scale)
74 {
75 unsigned v0, v1, v2, v3;
76 __asm__ volatile ("ubfx %0, %6, #0, #4 \n\t"
77 "ubfx %1, %6, #4, #4 \n\t"
78 "ldr %0, [%5, %0, lsl #2] \n\t"
79 "lsl %2, %8, #30 \n\t"
80 "ldr %1, [%5, %1, lsl #2] \n\t"
81 "lsl %3, %8, #31 \n\t"
82 "vmov d0, %0, %1 \n\t"
83 "bic %2, %2, #1<<30 \n\t"
84 "vld1.32 {d1[]}, [%7,:32] \n\t"
85 "vmov d2, %2, %3 \n\t"
86 "veor d0, d0, d2 \n\t"
87 "vmul.f32 d0, d0, d1 \n\t"
88 "vst1.32 {d0}, [%4,:64]! \n\t"
89 : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst)
90 : "r"(v), "r"(idx), "r"(scale), "r"(sign)
91 : "d0", "d1", "d2");
92 return dst;
93 }
94
95 #define VMUL4S VMUL4S
96 static inline float *VMUL4S(float *dst, const float *v, unsigned idx,
97 unsigned sign, const float *scale)
98 {
99 unsigned v0, v1, v2, v3, nz;
100 __asm__ volatile ("vld1.32 {d2[],d3[]},[%9,:32] \n\t"
101 "ubfx %0, %8, #0, #2 \n\t"
102 "ubfx %1, %8, #2, #2 \n\t"
103 "ldr %0, [%7, %0, lsl #2] \n\t"
104 "ubfx %2, %8, #4, #2 \n\t"
105 "ldr %1, [%7, %1, lsl #2] \n\t"
106 "ubfx %3, %8, #6, #2 \n\t"
107 "ldr %2, [%7, %2, lsl #2] \n\t"
108 "vmov d0, %0, %1 \n\t"
109 "ldr %3, [%7, %3, lsl #2] \n\t"
110 "lsr %6, %8, #12 \n\t"
111 "rbit %6, %6 \n\t"
112 "vmov d1, %2, %3 \n\t"
113 "lsls %6, %6, #1 \n\t"
114 "and %0, %5, #1<<31 \n\t"
115 "lslcs %5, %5, #1 \n\t"
116 "lsls %6, %6, #1 \n\t"
117 "and %1, %5, #1<<31 \n\t"
118 "lslcs %5, %5, #1 \n\t"
119 "lsls %6, %6, #1 \n\t"
120 "and %2, %5, #1<<31 \n\t"
121 "lslcs %5, %5, #1 \n\t"
122 "vmov d4, %0, %1 \n\t"
123 "and %3, %5, #1<<31 \n\t"
124 "vmov d5, %2, %3 \n\t"
125 "veor q0, q0, q2 \n\t"
126 "vmul.f32 q0, q0, q1 \n\t"
127 "vst1.32 {q0}, [%4,:128]! \n\t"
128 : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst),
129 "+r"(sign), "=r"(nz)
130 : "r"(v), "r"(idx), "r"(scale)
131 : "d0", "d1", "d2", "d3", "d4", "d5");
132 return dst;
133 }
134
135 #endif /* HAVE_NEON && HAVE_INLINE_ASM */
136
137 #endif /* AVCODEC_ARM_AAC_H */