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Replay: fixed the freq of video and events are unstable after changing the replay speed (#26559)

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fix freq is unstable after changing the replay speed
This commit is contained in:
Dean Lee
2022-11-22 02:47:58 +08:00
committed by GitHub
parent 89eeb72dbd
commit 2b4b0cc67f
1 changed files with 4 additions and 2 deletions
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tools/replay/replay.cc
+4 -2
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@@ -358,6 +358,7 @@ void Replay::publishFrame(const Event *e) {
void Replay::stream() {
cereal::Event::Which cur_which = cereal::Event::Which::INIT_DATA;
double prev_replay_speed = 1.0;
std::unique_lock lk(stream_lock_);
while (true) {
@@ -397,10 +398,11 @@ void Replay::stream() {
long rtime = nanos_since_boot() - loop_start_ts;
long behind_ns = etime - rtime;
// if behind_ns is greater than 1 second, it means that an invalid segemnt is skipped by seeking/replaying
if (behind_ns >= 1 * 1e9) {
// reset start times
if (behind_ns >= 1 * 1e9 || speed_ != prev_replay_speed) {
// reset event start times
evt_start_ts = cur_mono_time_;
loop_start_ts = nanos_since_boot();
prev_replay_speed = speed_;
} else if (behind_ns > 0 && !hasFlag(REPLAY_FLAG_FULL_SPEED)) {
precise_nano_sleep(behind_ns);
}