1 /******************************************************************************
2 *
3 * Copyright (C) 2015 The Android Open Source Project
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 *****************************************************************************
18 * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
19 */
20 #ifndef __IMPEG2_PLATFORM_MACROS_H__
21 #define __IMPEG2_PLATFORM_MACROS_H__
22
23
24 #define CONV_LE_TO_BE(u4_temp2,u4_temp1) u4_temp2 = \
25 (u4_temp1 << 24) | \
26 ((u4_temp1 & 0xff00) << 8) | \
27 ((u4_temp1 & 0xff0000) >> 8) | \
28 (u4_temp1 >> 24);
29
CLZ(UWORD32 u4_word)30 static __inline UWORD32 CLZ(UWORD32 u4_word)
31 {
32 if(u4_word)
33 return (__builtin_clz(u4_word));
34 else
35 return 32;
36 }
CLIP_U8(WORD32 x)37 static __inline WORD32 CLIP_U8(WORD32 x)
38 {
39 asm("usat %0, #8, %1" : "=r"(x) : "r"(x));
40 return x;
41 }
42
CLIP_S8(WORD32 x)43 static __inline WORD32 CLIP_S8(WORD32 x)
44 {
45 asm("ssat %0, #8, %1" : "=r"(x) : "r"(x));
46 return x;
47 }
48
CLIP_U12(WORD32 x)49 static __inline WORD32 CLIP_U12(WORD32 x)
50 {
51 asm("usat %0, #12, %1" : "=r"(x) : "r"(x));
52 return x;
53 }
54
CLIP_S12(WORD32 x)55 static __inline WORD32 CLIP_S12(WORD32 x)
56 {
57 asm("ssat %0, #12, %1" : "=r"(x) : "r"(x));
58 return x;
59 }
60
CLIP_U16(WORD32 x)61 static __inline WORD32 CLIP_U16(WORD32 x)
62 {
63 asm("usat %0, #16, %1" : "=r"(x) : "r"(x));
64 return x;
65 }
CLIP_S16(WORD32 x)66 static __inline WORD32 CLIP_S16(WORD32 x)
67 {
68 asm("ssat %0, #16, %1" : "=r"(x) : "r"(x));
69 return x;
70 }
71
72 #define INLINE
73 #define PLD(x) __pld(x)
74
75 #endif /* __IMPEG2_PLATFORM_MACROS_H__ */
76