Timestamp operator-(const Timestamp &left, const Timestamp &right) noexcept
{
// Use more good precision
auto tb = std::min(left.timebase(), right.timebase());
auto tsleft = left.timebase().rescale(left.timestamp(), tb);
auto tsright = right.timebase().rescale(right.timestamp(), tb);
auto ts = tsleft - tsright;
return {ts, tb};
}
Timestamp operator+(const Timestamp &left, const Timestamp &right) noexcept
{
// Use more good precision
if (left.timebase() < right.timebase()) {
auto ts = av_add_stable(left.timebase(), left.timestamp(),
right.timebase(), right.timestamp());
return {ts, left.timebase()};
} else {
auto ts = av_add_stable(right.timebase(), right.timestamp(),
left.timebase(), left.timestamp());
return {ts, right.timebase()};
}
}
Timestamp operator/(const Timestamp &left, const Timestamp &right) noexcept
{
int num, den;
// Use more good precision
auto tb = std::min(left.timebase(), right.timebase());
auto tsleft = left.timebase().rescale(left.timestamp(), tb);
auto tsright = right.timebase().rescale(right.timestamp(), tb);
int64_t ts = 1;
if (tsleft > tsright) {
ts = tsleft / tsright;
tsleft %= tsright;
if (tsleft == 0) {
tsleft = 1;
tsright = 1;
}
}
av_reduce(&num, &den, tsleft, tsright, INT64_MAX);
return {ts, {num, den}};
}
Timestamp operator*(const Timestamp &left, const Timestamp &right) noexcept
{
auto ts = left.timestamp() * right.timestamp();
auto tb = left.timebase() * right.timebase();
return {ts, tb};
}
