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translationbin: use textaccumulate element before tee

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awstranslate no longer performs text accumulation, we can now do it only
once instead of once per translation language.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/2350>
This commit is contained in:
Mathieu Duponchelle 2025-07-29 19:10:38 +02:00
parent cfe167d2e1
commit 18703abc0d
1 changed files with 6 additions and 5 deletions
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11
video/closedcaption/src/translationbin/imp.rs
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@ -88,8 +88,7 @@ impl TranslationBin {
queue.sync_state_with_parent()?;
translator.sync_state_with_parent()?;
tee.link(&queue)?;
queue.link(&translator)?;
gst::Element::link_many([tee, &queue, &translator])?;
srcpad.set_target(Some(
&translator
@ -171,6 +170,8 @@ impl TranslationBin {
transcriber.set_property("language-code", &language_code);
let accumulate = gst::ElementFactory::make("textaccumulate").build()?;
let tee = gst::ElementFactory::make("tee")
.property("allow-not-linked", true)
.build()?;
@ -178,13 +179,13 @@ impl TranslationBin {
let obj = self.obj();
obj.add_many([&transcriber, &tee, &queue])?;
obj.add_many([&transcriber, &accumulate, &tee, &queue])?;
transcriber.sync_state_with_parent()?;
accumulate.sync_state_with_parent()?;
tee.sync_state_with_parent()?;
transcriber.link(&tee)?;
tee.link(&queue)?;
gst::Element::link_many([&transcriber, &accumulate, &tee, &queue])?;
self.audio_sinkpad.set_target(Some(
&transcriber