зеркало из https://github.com/mozilla/gecko-dev.git
63 строки
1.4 KiB
C++
63 строки
1.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef TIME_UNITS_H
|
|
#define TIME_UNITS_H
|
|
|
|
#include "VideoUtils.h"
|
|
#include "mozilla/FloatingPoint.h"
|
|
|
|
namespace mozilla {
|
|
namespace media {
|
|
|
|
struct Microseconds {
|
|
Microseconds()
|
|
: mValue(0)
|
|
{}
|
|
|
|
explicit Microseconds(int64_t aValue)
|
|
: mValue(aValue)
|
|
{}
|
|
|
|
double ToSeconds() {
|
|
return double(mValue) / USECS_PER_S;
|
|
}
|
|
|
|
static Microseconds FromSeconds(double aValue) {
|
|
MOZ_ASSERT(!IsNaN(aValue));
|
|
|
|
double val = aValue * USECS_PER_S;
|
|
if (val >= double(INT64_MAX)) {
|
|
return Microseconds(INT64_MAX);
|
|
} else if (val <= double(INT64_MIN)) {
|
|
return Microseconds(INT64_MIN);
|
|
} else {
|
|
return Microseconds(int64_t(val));
|
|
}
|
|
}
|
|
|
|
bool operator > (const Microseconds& aOther) const {
|
|
return mValue > aOther.mValue;
|
|
}
|
|
bool operator >= (const Microseconds& aOther) const {
|
|
return mValue >= aOther.mValue;
|
|
}
|
|
bool operator < (const Microseconds& aOther) const {
|
|
return mValue < aOther.mValue;
|
|
}
|
|
bool operator <= (const Microseconds& aOther) const {
|
|
return mValue <= aOther.mValue;
|
|
}
|
|
|
|
int64_t mValue;
|
|
};
|
|
|
|
|
|
}
|
|
}
|
|
|
|
#endif // TIME_UNITS_H
|