FlutterTimeConverter Class Reference

Converts between the time representation used by Flutter Engine and CAMediaTime. More...

#import <FlutterTimeConverter.h>

Inheritance diagram for FlutterTimeConverter:

Instance Methods
(instancetype)	- initWithEngine:
(uint64_t)	- CAMediaTimeToEngineTime:
(CFTimeInterval)	- engineTimeToCAMediaTime:

Protected Attributes
__weak FlutterEngine *	_engine

Detailed Description

Converts between the time representation used by Flutter Engine and CAMediaTime.

Definition at line 13 of file FlutterTimeConverter.h.

Method Documentation

CAMediaTimeToEngineTime:

- (uint64_t) CAMediaTimeToEngineTime:

(CFTimeInterval)

time

Definition at line 12 of file FlutterTimeConverter.mm.

                                   :(CFTimeInterval)time {
  FlutterEngine* engine = _engine;
  if (!engine) {
    return 0;
  }
  return (time - CACurrentMediaTime()) * NSEC_PER_SEC + engine.embedderAPI.GetCurrentTime();
}

engineTimeToCAMediaTime:

- (CFTimeInterval) engineTimeToCAMediaTime:

(uint64_t)

time

Definition at line 12 of file FlutterTimeConverter.mm.

                                         :(uint64_t)time {
  FlutterEngine* engine = _engine;
  if (!engine) {
    return 0;
  }
  return (static_cast<int64_t>(time) - static_cast<int64_t>(engine.embedderAPI.GetCurrentTime())) /
             static_cast<double>(NSEC_PER_SEC) +
         CACurrentMediaTime();
}

initWithEngine:

- (instancetype) initWithEngine:

(FlutterEngine*)

engine

Definition at line 12 of file FlutterTimeConverter.mm.

                              :(FlutterEngine*)engine {
  self = [super init];
  if (self) {
    _engine = engine;
  }
  return self;
}

Member Data Documentation

_engine

- (__weak FlutterEngine*) _engine

protected

Definition at line 12 of file FlutterTimeConverter.mm.

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The documentation for this class was generated from the following files:

• shell/platform/darwin/macos/framework/Source/FlutterTimeConverter.h
• shell/platform/darwin/macos/framework/Source/FlutterTimeConverter.mm