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Improve ClockAdjuster comments

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Scott Lamb 2016-12-30 19:44:41 -08:00
parent fb057309f5
commit 068890fa8a
1 changed files with 4 additions and 1 deletions
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5
src/dir.rs
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@ -468,7 +468,10 @@ struct ClockAdjuster {
impl ClockAdjuster {
fn new(local_time_delta: Option<i64>) -> Self {
// Correct up to 500 ppm, or 2,700/90,000ths of a second over the course of a minute.
// Pick an adjustment rate to correct local_time_delta over the next minute (the
// desired duration of a single recording). Cap the rate at 500 ppm (which corrects
// 2,700/90,000ths of a second over a minute) to prevent noticeably speeding up or slowing
// down playback.
let (every, ndir) = match local_time_delta {
None | Some(0) => (i32::max_value(), 0),
Some(d) if d <= -2700 => (2000, 1),