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textahead: fix previous buffers

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Actually implement a proper queue.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/1033>
This commit is contained in:
Guillaume Desmottes 2023-01-02 12:02:51 +01:00
parent 439ada614c
commit f59d00b8e6
1 changed files with 4 additions and 3 deletions
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7
text/ahead/src/textahead/imp.rs
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@ -6,6 +6,7 @@
//
// SPDX-License-Identifier: MPL-2.0
use std::collections::VecDeque;
use std::sync::{Mutex, MutexGuard};
use once_cell::sync::Lazy;
@ -54,7 +55,7 @@ struct Input {
#[derive(Default)]
struct State {
previous: Vec<Input>,
previous: VecDeque<Input>,
pending: Vec<Input>,
done: bool,
/// Segment for which we should send a buffer with ahead text. Only set if `Settings.buffer_start_segment` is set.
@ -425,10 +426,10 @@ impl TextAhead {
let duration = current.duration;
if settings.n_previous > 0 {
state.previous.push(current);
state.previous.push_back(current);
if state.previous.len() > settings.n_previous as usize {
state.previous.pop();
state.previous.pop_front();
}
}