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Side by Side Diff: webrtc/modules/audio_mixer/source/time_scheduler.h

Issue 2109133003: Added empty directory with myself as owner for new mixer. (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: Renamed to avoid compilation crashes and added build file. Created 4 years, 5 months ago
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1 /* 1 /*
2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. 2 * Copyright (c) 2011 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
11 // The TimeScheduler class keeps track of periodic events. It is non-drifting 11 // The TimeScheduler class keeps track of periodic events. It is non-drifting
12 // and keeps track of any missed periods so that it is possible to catch up. 12 // and keeps track of any missed periods so that it is possible to catch up.
13 // (compare to a metronome) 13 // (compare to a metronome)
14 14
15 #ifndef WEBRTC_MODULES_AUDIO_CONFERENCE_MIXER_SOURCE_TIME_SCHEDULER_H_ 15 #ifndef WEBRTC_MODULES_AUDIO_CONFERENCE_MIXER_SOURCE_TIME_SCHEDULER_H_
16 #define WEBRTC_MODULES_AUDIO_CONFERENCE_MIXER_SOURCE_TIME_SCHEDULER_H_ 16 #define WEBRTC_MODULES_AUDIO_CONFERENCE_MIXER_SOURCE_TIME_SCHEDULER_H_
17 17
18 namespace webrtc { 18 namespace webrtc {
19 class CriticalSectionWrapper; 19 class CriticalSectionWrapper;
20 class TimeScheduler 20 class TimeScheduler {
21 { 21 public:
22 public: 22 TimeScheduler(const int64_t periodicityInMs);
23 TimeScheduler(const int64_t periodicityInMs); 23 ~TimeScheduler();
24 ~TimeScheduler();
25 24
26 // Signal that a periodic event has been triggered. 25 // Signal that a periodic event has been triggered.
27 int32_t UpdateScheduler(); 26 int32_t UpdateScheduler();
28 27
29 // Set updateTimeInMs to the amount of time until UpdateScheduler() should 28 // Set updateTimeInMs to the amount of time until UpdateScheduler() should
30 // be called. This time will never be negative. 29 // be called. This time will never be negative.
31 int32_t TimeToNextUpdate(int64_t& updateTimeInMS) const; 30 int32_t TimeToNextUpdate(int64_t& updateTimeInMS) const;
32 31
33 private: 32 private:
34 CriticalSectionWrapper* _crit; 33 CriticalSectionWrapper* _crit;
35 34
36 bool _isStarted; 35 bool _isStarted;
37 int64_t _lastPeriodMark; // In ns 36 int64_t _lastPeriodMark; // In ns
38 37
39 int64_t _periodicityInMs; 38 int64_t _periodicityInMs;
40 int64_t _periodicityInTicks; 39 int64_t _periodicityInTicks;
41 uint32_t _missedPeriods; 40 uint32_t _missedPeriods;
42 }; 41 };
43 } // namespace webrtc 42 } // namespace webrtc
44 43
45 #endif // WEBRTC_MODULES_AUDIO_CONFERENCE_MIXER_SOURCE_TIME_SCHEDULER_H_ 44 #endif // WEBRTC_MODULES_AUDIO_CONFERENCE_MIXER_SOURCE_TIME_SCHEDULER_H_
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