1 /* 2 * Copyright 2018 Rockchip Electronics Co. LTD 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 * 16 * author: martin.cheng@rock-chips.com 17 * date: 20180704 18 */ 19 20 #ifndef INCLUDE_RT_BASE_RT_COMMON_H_ 21 #define INCLUDE_RT_BASE_RT_COMMON_H_ 22 23 #define RT_TAG_SIZE 32 24 25 #define RT_ABS(x) ((x) < (0) ? -(x) : (x)) 26 27 #define RT_MAX(a, b) ((a) > (b) ? (a) : (b)) 28 #define RT_MAX3(a, b, c) RT_MAX(RT_MAX(a, b) , c) 29 #define RT_MAX4(a, b, c, d) RT_MAX((a), RT_MAX3((b), (c), (d))) 30 31 #define RT_CLIP(a, l, h) ((a) < (l) ? (l) : ((a) > (h) ? (h) : (a))) 32 33 #define RT_MIN(a, b) ((a) > (b) ? (b) : (a)) 34 #define RT_MIN3(a, b, c) RT_MIN(MPP_MIN(a, b), c) 35 #define RT_MIN4(a, b, c, d) RT_MIN((a), RT_MIN3((b), (c), (d))) 36 37 #define RT_SWAP(type, a, b) \ 38 do { \ 39 type SWAP_tmp = b; \ 40 b = a; \ 41 a = SWAP_tmp; \ 42 } while (0) 43 44 #define RT_ARRAY_ELEMS(a) (sizeof(a) / sizeof((a)[0])) 45 #define RT_ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1)) 46 #define RT_ALIGN_ODD(x, a) (RT_ALIGN(x, a) | a) 47 #define RT_ALIGN_16(x) RT_ALIGN(x, 16) 48 #define RT_ALIGN_64(x) RT_ALIGN(x, 64) 49 #define RT_ALIGN_256(x) RT_ALIGN(x, 256) 50 #define RT_ALIGN_256_ODD(x) (RT_ALIGN(x, 256) | 256) 51 52 #define RT_VSWAP(a, b) { a ^= b; b ^= a; a ^= b; } 53 54 #define RT_MERGE_INT64(a, b) (((INT64)a << 32) + b) 55 56 #ifndef RT_INT64_MIN 57 #define RT_INT64_MIN (-0x7fffffffffffffffLL-1) 58 #define RT_NOPTS_VALUE (-0x7fffffffffffffffLL-1) 59 #endif 60 61 #ifndef RT_INT64_MAX 62 #define RT_INT64_MAX INT64_C(9223372036854775807) 63 #endif 64 65 #ifndef RT_INT32_MAX 66 #define RT_INT32_MAX (2147483647) 67 #endif 68 69 #ifndef RT_SEEK_SIZE 70 #define RT_SEEK_SIZE 0x10000 71 #endif 72 73 #ifndef RT_ERROR_EOF 74 #define RT_ERROR_EOF (-(int)MKTAG('E','O','F',' ')) // NOLINT End of file 75 #endif 76 77 #ifndef RT_ERROR 78 #define RT_ERROR(e) (-(e)) // NOLINT 79 #endif 80 81 #define RT_PTS_IS_VALID(pts) (pts != RT_NOPTS_VALUE) 82 83 #define RT_FOURCC(f) \ 84 f & 0xFF, (f >> 8) & 0xFF, (f >> 16) & 0xFF, (f >> 24) & 0xFF 85 86 #endif // INCLUDE_RT_BASE_RT_COMMON_H_ 87