1 /*
2 * Copyright (c) 2021-2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #ifndef HISTREAMER_PLUGIN_COMMON_TIME_H
17 #define HISTREAMER_PLUGIN_COMMON_TIME_H
18
19 namespace OHOS {
20 namespace Media {
21 namespace Plugins {
22 constexpr int HST_TIME_NONE = (int64_t)-1;
23 constexpr int HST_TIME_BASE = (int64_t)1;
24 constexpr int HST_NSECOND = HST_TIME_BASE;
25 constexpr int HST_USECOND = ((int64_t)1000 * HST_NSECOND);
26 constexpr int HST_MSECOND = ((int64_t)1000 * HST_USECOND);
27 constexpr int HST_SECOND = ((int64_t)1000 * HST_MSECOND);
28
HstTime2Ns(int64_t hTime)29 inline int64_t HstTime2Ns(int64_t hTime)
30 {
31 return hTime / HST_NSECOND;
32 }
33
Ns2HstTime(int64_t ns, int64_t& hTime)34 inline bool Ns2HstTime (int64_t ns, int64_t& hTime)
35 {
36 hTime = ns * HST_NSECOND;
37 return true;
38 }
39
HstTime2Us(int64_t hTime)40 inline int64_t HstTime2Us(int64_t hTime)
41 {
42 return hTime / HST_USECOND;
43 }
44
HstTime2Us32(int64_t hTime)45 inline int32_t HstTime2Us32(int64_t hTime)
46 {
47 int64_t ms = hTime / HST_USECOND;
48 if (INT32_MAX < ms || INT32_MIN > ms) { // overflow
49 return INT32_MAX;
50 }
51 return static_cast<int32_t>(ms);
52 }
53
Us2HstTime(int64_t us, int64_t& hTime)54 inline bool Us2HstTime (int64_t us, int64_t& hTime)
55 {
56 if (INT64_MAX / HST_USECOND < us || INT64_MIN / HST_USECOND > us) { // overflow
57 return false;
58 }
59 hTime = us * HST_USECOND;
60 return true;
61 }
62
HstTime2Ms(int64_t hTime)63 inline int64_t HstTime2Ms(int64_t hTime)
64 {
65 return hTime / HST_MSECOND;
66 }
67
Ms2HstTime(int64_t ms, int64_t& hTime)68 inline bool Ms2HstTime (int64_t ms, int64_t& hTime)
69 {
70 if (INT64_MAX / HST_MSECOND < ms || INT64_MIN / HST_MSECOND > ms) { // overflow
71 return false;
72 }
73 hTime = ms * HST_MSECOND;
74 return true;
75 }
76
HstTime2Sec(int64_t hTime)77 inline int64_t HstTime2Sec(int64_t hTime)
78 {
79 return hTime / HST_SECOND;
80 }
81
Sec2HstTime(int64_t sec, int64_t& hTime)82 inline bool Sec2HstTime (int64_t sec, int64_t& hTime)
83 {
84 if (INT64_MAX / HST_SECOND < sec || INT64_MIN / HST_SECOND > sec) { // overflow
85 return false;
86 }
87 hTime = sec * HST_SECOND;
88 return true;
89 }
90
Us2Ms(int64_t us)91 inline int64_t Us2Ms(int64_t us)
92 {
93 return us / HST_USECOND;
94 }
95
Ms2Us(int64_t ms)96 inline int64_t Ms2Us(int64_t ms)
97 {
98 return ms * HST_USECOND;
99 }
100 } // Plugins
101 } // Media
102 } // OHOS
103 #endif // HISTREAMER_PLUGIN_COMMON_TIME_H
104