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 Plugin {
22 #define HST_TIME_NONE ((int64_t)-1)
23 #define HST_TIME_BASE ((int64_t)1)
24 #define HST_NSECOND HST_TIME_BASE
25 #define HST_USECOND ((int64_t)1000 * HST_NSECOND)
26 #define HST_MSECOND ((int64_t)1000 * HST_USECOND)
27 #define 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
Us2HstTime(int64_t us,int64_t & hTime)45 inline bool Us2HstTime (int64_t us, int64_t& hTime)
46 {
47 if (INT64_MAX / HST_USECOND < us || INT64_MIN / HST_USECOND > us) { // overflow
48 return false;
49 }
50 hTime = us * HST_USECOND;
51 return true;
52 }
53
HstTime2Ms(int64_t hTime)54 inline int64_t HstTime2Ms(int64_t hTime)
55 {
56 return hTime / HST_MSECOND;
57 }
58
Ms2HstTime(int64_t ms,int64_t & hTime)59 inline bool Ms2HstTime (int64_t ms, int64_t& hTime)
60 {
61 if (INT64_MAX / HST_MSECOND < ms || INT64_MIN / HST_MSECOND > ms) { // overflow
62 return false;
63 }
64 hTime = ms * HST_MSECOND;
65 return true;
66 }
67
HstTime2Sec(int64_t hTime)68 inline int64_t HstTime2Sec(int64_t hTime)
69 {
70 return hTime / HST_SECOND;
71 }
72
Sec2HstTime(int64_t sec,int64_t & hTime)73 inline bool Sec2HstTime (int64_t sec, int64_t& hTime)
74 {
75 if (INT64_MAX / HST_SECOND < sec || INT64_MIN / HST_SECOND > sec) { // overflow
76 return false;
77 }
78 hTime = sec * HST_SECOND;
79 return true;
80 }
81 } // Plugin
82 } // Media
83 } // OHOS
84 #endif // HISTREAMER_PLUGIN_COMMON_TIME_H
85