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hlssink3: Minor PDT-related naming fixups

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/1332>
This commit is contained in:
Arun Raghavan 2023-09-12 15:35:37 -04:00
parent a7fe24a294
commit 8bbfb10cba
1 changed files with 7 additions and 7 deletions
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14
net/hlssink3/src/imp.rs
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@ -114,7 +114,7 @@ impl Default for Settings {
}
pub(crate) struct StartedState {
base_date_time: Option<DateTime<Utc>>,
pdt_base_utc: Option<DateTime<Utc>>,
pdt_base_running_time: Option<gst::ClockTime>,
playlist: Playlist,
fragment_opened_at: Option<gst::ClockTime>,
@ -130,7 +130,7 @@ impl StartedState {
i_frames_only: bool,
) -> Self {
Self {
base_date_time: None,
pdt_base_utc: None,
pdt_base_running_time: None,
playlist: Playlist::new(target_duration, playlist_type, i_frames_only),
current_segment_location: None,
@ -455,10 +455,10 @@ impl BinImpl for HlsSink3 {
state.pdt_base_running_time = state.fragment_running_time;
}
// Calculate the mapping from running time to UTC
// calculate base_date_time for each segment for !pdt_follows_pipeline_clock
// calculate pdt_base_utc for each segment for !pdt_follows_pipeline_clock
// when pdt_follows_pipeline_clock is set, we calculate the base time every time
// this avoids the drift between pdt tag and external clock (if gst clock has skew w.r.t external clock)
if state.base_date_time.is_none() || !settings.pdt_follows_pipeline_clock {
if state.pdt_base_utc.is_none() || !settings.pdt_follows_pipeline_clock {
let now_utc = Utc::now();
let now_gst = settings.giostreamsink.clock().unwrap().time().unwrap();
let pts_clock_time =
@ -469,7 +469,7 @@ impl BinImpl for HlsSink3 {
.checked_sub_signed(Duration::nanoseconds(diff.nseconds() as i64))
.expect("offsetting the utc with gstreamer clock-diff overflow");
state.base_date_time = Some(pts_utc);
state.pdt_base_utc = Some(pts_utc);
}
let fragment_date_time = if settings.enable_program_date_time
@ -478,7 +478,7 @@ impl BinImpl for HlsSink3 {
// Add the diff of running time to UTC time
// date_time = first_segment_utc + (current_seg_running_time - first_seg_running_time)
state
.base_date_time
.pdt_base_utc
.unwrap()
.checked_add_signed(Duration::nanoseconds(
state
@ -879,7 +879,7 @@ impl ElementImpl for HlsSink3 {
// rt is stopped but utc keep moving so need to
// calculate the mapping again
state.pdt_base_running_time = None;
state.base_date_time = None
state.pdt_base_utc = None
}
}
}