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1 /* | 1 /* |
2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. | 2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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32 namespace rtc { | 32 namespace rtc { |
33 | 33 |
34 ClockInterface* g_clock = nullptr; | 34 ClockInterface* g_clock = nullptr; |
35 | 35 |
36 ClockInterface* SetClockForTesting(ClockInterface* clock) { | 36 ClockInterface* SetClockForTesting(ClockInterface* clock) { |
37 ClockInterface* prev = g_clock; | 37 ClockInterface* prev = g_clock; |
38 g_clock = clock; | 38 g_clock = clock; |
39 return prev; | 39 return prev; |
40 } | 40 } |
41 | 41 |
42 uint64_t SystemTimeNanos() { | 42 int64_t SystemTimeNanos() { |
43 int64_t ticks; | 43 int64_t ticks; |
44 #if defined(WEBRTC_MAC) | 44 #if defined(WEBRTC_MAC) |
45 static mach_timebase_info_data_t timebase; | 45 static mach_timebase_info_data_t timebase; |
46 if (timebase.denom == 0) { | 46 if (timebase.denom == 0) { |
47 // Get the timebase if this is the first time we run. | 47 // Get the timebase if this is the first time we run. |
48 // Recommended by Apple's QA1398. | 48 // Recommended by Apple's QA1398. |
49 if (mach_timebase_info(&timebase) != KERN_SUCCESS) { | 49 if (mach_timebase_info(&timebase) != KERN_SUCCESS) { |
50 RTC_DCHECK(false); | 50 RTC_DCHECK(false); |
51 } | 51 } |
52 } | 52 } |
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81 #else | 81 #else |
82 #error Unsupported platform. | 82 #error Unsupported platform. |
83 #endif | 83 #endif |
84 return ticks; | 84 return ticks; |
85 } | 85 } |
86 | 86 |
87 int64_t SystemTimeMillis() { | 87 int64_t SystemTimeMillis() { |
88 return static_cast<int64_t>(SystemTimeNanos() / kNumNanosecsPerMillisec); | 88 return static_cast<int64_t>(SystemTimeNanos() / kNumNanosecsPerMillisec); |
89 } | 89 } |
90 | 90 |
91 uint64_t TimeNanos() { | 91 int64_t TimeNanos() { |
92 if (g_clock) { | 92 if (g_clock) { |
93 return g_clock->TimeNanos(); | 93 return g_clock->TimeNanos(); |
94 } | 94 } |
95 return SystemTimeNanos(); | 95 return SystemTimeNanos(); |
96 } | 96 } |
97 | 97 |
98 uint32_t Time32() { | 98 uint32_t Time32() { |
99 return static_cast<uint32_t>(TimeNanos() / kNumNanosecsPerMillisec); | 99 return static_cast<uint32_t>(TimeNanos() / kNumNanosecsPerMillisec); |
100 } | 100 } |
101 | 101 |
102 int64_t TimeMillis() { | 102 int64_t TimeMillis() { |
103 return static_cast<int64_t>(TimeNanos() / kNumNanosecsPerMillisec); | 103 return TimeNanos() / kNumNanosecsPerMillisec; |
104 } | 104 } |
105 | 105 |
106 uint64_t TimeMicros() { | 106 int64_t TimeMicros() { |
107 return static_cast<uint64_t>(TimeNanos() / kNumNanosecsPerMicrosec); | 107 return TimeNanos() / kNumNanosecsPerMicrosec; |
108 } | 108 } |
109 | 109 |
110 int64_t TimeAfter(int64_t elapsed) { | 110 int64_t TimeAfter(int64_t elapsed) { |
111 RTC_DCHECK_GE(elapsed, 0); | 111 RTC_DCHECK_GE(elapsed, 0); |
112 return TimeMillis() + elapsed; | 112 return TimeMillis() + elapsed; |
113 } | 113 } |
114 | 114 |
115 int32_t TimeDiff32(uint32_t later, uint32_t earlier) { | 115 int32_t TimeDiff32(uint32_t later, uint32_t earlier) { |
116 return later - earlier; | 116 return later - earlier; |
117 } | 117 } |
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197 #elif defined(WEBRTC_WIN) | 197 #elif defined(WEBRTC_WIN) |
198 struct _timeb time; | 198 struct _timeb time; |
199 _ftime(&time); | 199 _ftime(&time); |
200 // Convert from second (1.0) and milliseconds (1e-3). | 200 // Convert from second (1.0) and milliseconds (1e-3). |
201 return (static_cast<int64_t>(time.time) * rtc::kNumMicrosecsPerSec + | 201 return (static_cast<int64_t>(time.time) * rtc::kNumMicrosecsPerSec + |
202 static_cast<int64_t>(time.millitm) * rtc::kNumMicrosecsPerMillisec); | 202 static_cast<int64_t>(time.millitm) * rtc::kNumMicrosecsPerMillisec); |
203 #endif | 203 #endif |
204 } | 204 } |
205 | 205 |
206 } // namespace rtc | 206 } // namespace rtc |
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