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transcriberbin: expose lateness property

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Directly mapped to the lateness property on the transcriber object.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/1910>
This commit is contained in:
Mathieu Duponchelle 2024-11-05 18:51:20 +01:00 committed by GStreamer Marge Bot
parent 75a0baa6fa
commit 4284fe953a
2 changed files with 40 additions and 3 deletions
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14
docs/plugins/gst_plugins_cache.json
View file

@ -7735,6 +7735,20 @@
"type": "guint",
"writable": true
},
"lateness": {
"blurb": "Amount of milliseconds to pass as lateness to the transcriber",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": false,
"default": "0",
"max": "-1",
"min": "0",
"mutable": "ready",
"readable": true,
"type": "guint",
"writable": true
},
"mode": {
"blurb": "Which closed caption mode to operate in",
"conditionally-available": false,

29
video/closedcaption/src/transcriberbin/imp.rs
View file

@ -29,6 +29,7 @@ static CAT: LazyLock<gst::DebugCategory> = LazyLock::new(|| {
const DEFAULT_PASSTHROUGH: bool = false;
const DEFAULT_LATENCY: gst::ClockTime = gst::ClockTime::from_seconds(4);
const DEFAULT_LATENESS: gst::ClockTime = gst::ClockTime::from_seconds(0);
const DEFAULT_TRANSLATE_LATENCY: gst::ClockTime = gst::ClockTime::from_mseconds(500);
const DEFAULT_ACCUMULATE: gst::ClockTime = gst::ClockTime::ZERO;
const DEFAULT_MODE: Cea608Mode = Cea608Mode::RollUp2;
@ -100,6 +101,7 @@ struct State {
struct Settings {
cc_caps: gst::Caps,
latency: gst::ClockTime,
lateness: gst::ClockTime,
translate_latency: gst::ClockTime,
accumulate_time: gst::ClockTime,
caption_source: CaptionSource,
@ -113,6 +115,7 @@ impl Default for Settings {
.field("format", "raw")
.build(),
latency: DEFAULT_LATENCY,
lateness: DEFAULT_LATENESS,
translate_latency: DEFAULT_TRANSLATE_LATENCY,
accumulate_time: DEFAULT_ACCUMULATE,
caption_source: DEFAULT_CAPTION_SOURCE,
@ -517,16 +520,20 @@ impl TranscriberBin {
if let Some(ref transcriber) = pad_state.transcriber {
let latency_ms = settings.latency.mseconds() as u32;
if transcriber.has_property("transcribe-latency", None) {
if transcriber.has_property("transcribe-latency", Some(u32::static_type())) {
transcriber.set_property("transcribe-latency", latency_ms);
} else if transcriber.has_property("latency", None) {
} else if transcriber.has_property("latency", Some(u32::static_type())) {
transcriber.set_property("latency", latency_ms);
}
if transcriber.has_property("translate-latency", None) {
if transcriber.has_property("translate-latency", Some(u32::static_type())) {
let translate_latency_ms = settings.translate_latency.mseconds() as u32;
transcriber.set_property("translate-latency", translate_latency_ms);
}
if transcriber.has_property("lateness", Some(u32::static_type())) {
let lateness_ms = settings.lateness.mseconds() as u32;
transcriber.set_property("lateness", lateness_ms);
}
}
pad_state
.queue_passthrough
@ -1372,6 +1379,12 @@ impl ObjectImpl for TranscriberBin {
.default_value(DEFAULT_LATENCY.mseconds() as u32)
.mutable_ready()
.build(),
glib::ParamSpecUInt::builder("lateness")
.nick("Lateness")
.blurb("Amount of milliseconds to pass as lateness to the transcriber")
.default_value(DEFAULT_LATENESS.mseconds() as u32)
.mutable_ready()
.build(),
glib::ParamSpecUInt::builder("accumulate-time")
.nick("accumulate-time")
.blurb("Cut-off time for textwrap accumulation, in milliseconds (0=do not accumulate). \
@ -1439,6 +1452,12 @@ impl ObjectImpl for TranscriberBin {
value.get::<u32>().expect("type checked upstream").into(),
);
}
"lateness" => {
let mut settings = self.settings.lock().unwrap();
settings.lateness = gst::ClockTime::from_mseconds(
value.get::<u32>().expect("type checked upstream").into(),
);
}
"accumulate-time" => {
let mut settings = self.settings.lock().unwrap();
settings.accumulate_time = gst::ClockTime::from_mseconds(
@ -1516,6 +1535,10 @@ impl ObjectImpl for TranscriberBin {
let settings = self.settings.lock().unwrap();
(settings.latency.mseconds() as u32).to_value()
}
"lateness" => {
let settings = self.settings.lock().unwrap();
(settings.lateness.mseconds() as u32).to_value()
}
"accumulate-time" => {
let settings = self.settings.lock().unwrap();
(settings.accumulate_time.mseconds() as u32).to_value()