#ifndef WTF_MediaTime_h
#define WTF_MediaTime_h
#include <wtf/FastMalloc.h>
#include <cmath>
#include <limits>
#include <math.h>
#include <stdint.h>
namespace WTF {
class PrintStream;
class WTF_EXPORT_PRIVATE MediaTime {
WTF_MAKE_FAST_ALLOCATED;
public:
enum {
Valid = 1 << 0,
HasBeenRounded = 1 << 1,
PositiveInfinite = 1 << 2,
NegativeInfinite = 1 << 3,
Indefinite = 1 << 4,
DoubleValue = 1 << 5,
};
MediaTime();
MediaTime(int64_t value, uint32_t scale, uint8_t flags = Valid);
MediaTime(const MediaTime& rhs);
~MediaTime();
static MediaTime createWithFloat(float floatTime);
static MediaTime createWithFloat(float floatTime, uint32_t timeScale);
static MediaTime createWithDouble(double doubleTime);
static MediaTime createWithDouble(double doubleTime, uint32_t timeScale);
float toFloat() const;
double toDouble() const;
MediaTime& operator=(const MediaTime& rhs);
MediaTime& operator+=(const MediaTime& rhs) { return *this = *this + rhs; }
MediaTime& operator-=(const MediaTime& rhs) { return *this = *this - rhs; }
MediaTime operator+(const MediaTime& rhs) const;
MediaTime operator-(const MediaTime& rhs) const;
MediaTime operator-() const;
MediaTime operator*(int32_t) const;
bool operator<(const MediaTime& rhs) const { return compare(rhs) == LessThan; }
bool operator>(const MediaTime& rhs) const { return compare(rhs) == GreaterThan; }
bool operator!=(const MediaTime& rhs) const { return compare(rhs) != EqualTo; }
bool operator==(const MediaTime& rhs) const { return compare(rhs) == EqualTo; }
bool operator>=(const MediaTime& rhs) const { return compare(rhs) >= EqualTo; }
bool operator<=(const MediaTime& rhs) const { return compare(rhs) <= EqualTo; }
bool operator!() const;
explicit operator bool() const;
typedef enum {
LessThan = -1,
EqualTo = 0,
GreaterThan = 1,
} ComparisonFlags;
ComparisonFlags compare(const MediaTime& rhs) const;
bool isBetween(const MediaTime&, const MediaTime&) const;
bool isValid() const { return m_timeFlags & Valid; }
bool isInvalid() const { return !isValid(); }
bool hasBeenRounded() const { return m_timeFlags & HasBeenRounded; }
bool isPositiveInfinite() const { return m_timeFlags & PositiveInfinite; }
bool isNegativeInfinite() const { return m_timeFlags & NegativeInfinite; }
bool isIndefinite() const { return m_timeFlags & Indefinite; }
bool hasDoubleValue() const { return m_timeFlags & DoubleValue; }
static const MediaTime& zeroTime();
static const MediaTime& invalidTime();
static const MediaTime& positiveInfiniteTime();
static const MediaTime& negativeInfiniteTime();
static const MediaTime& indefiniteTime();
const int64_t& timeValue() const { return m_timeValue; }
const uint32_t& timeScale() const { return m_timeScale; }
void dump(PrintStream& out) const;
operator double() const = delete;
MediaTime(double) = delete;
operator int() const = delete;
MediaTime(int) = delete;
friend WTF_EXPORT_PRIVATE MediaTime abs(const MediaTime& rhs);
static const uint32_t DefaultTimeScale = 10000000;
static const uint32_t MaximumTimeScale;
private:
void setTimeScale(uint32_t);
union {
int64_t m_timeValue;
double m_timeValueAsDouble;
};
uint32_t m_timeScale;
uint8_t m_timeFlags;
};
inline MediaTime operator*(int32_t lhs, const MediaTime& rhs) { return rhs.operator*(lhs); }
WTF_EXPORT_PRIVATE extern MediaTime abs(const MediaTime& rhs);
}
using WTF::MediaTime;
using WTF::abs;
#endif