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chore: remove dead build_karaoke_text, fix stale comments

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Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
cottongin
2026-09-22 07:10:32 -04:00
parent 92117447d4
commit e6e3fcb5b4
1 changed files with 2 additions and 23 deletions
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25
src-tauri/src/services/clip_exporter.rs
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@@ -345,7 +345,7 @@ fn find_next_timestamp(text: &str, from: usize) -> Option<(String, usize)> {
} }
/// A single spoken line extracted from a YouTube VTT cue. /// A single spoken line extracted from a YouTube VTT cue.
/// Used to build the rolling two-line subtitle display. /// Used to build the paged teleprompter subtitle display.
struct SpokenLine { struct SpokenLine {
plain_text: String, plain_text: String,
raw_text: String, raw_text: String,
@@ -357,8 +357,7 @@ struct SpokenLine {
/// Extract a flat sequence of spoken lines from YouTube auto-generated VTT content. /// Extract a flat sequence of spoken lines from YouTube auto-generated VTT content.
/// Skips zero-duration transition cues and extracts only the active (karaoke) line /// Skips zero-duration transition cues and extracts only the active (karaoke) line
/// from two-line cues, ignoring the context line (which is reconstructed from the /// from two-line cues.
/// previous SpokenLine during ASS generation).
fn extract_spoken_lines(content: &str) -> Vec<SpokenLine> { fn extract_spoken_lines(content: &str) -> Vec<SpokenLine> {
let normalized = content.replace("\r\n", "\n"); let normalized = content.replace("\r\n", "\n");
let blocks: Vec<&str> = normalized.split("\n\n").collect(); let blocks: Vec<&str> = normalized.split("\n\n").collect();
@@ -428,26 +427,6 @@ fn extract_spoken_lines(content: &str) -> Vec<SpokenLine> {
lines lines
} }
/// Build a karaoke text string with \k tags from a raw VTT line's word timings.
fn build_karaoke_text(raw: &str, cue_start: f64, cue_end: f64) -> String {
let words = parse_vtt_word_timings(raw, cue_start);
if words.len() >= 2 {
let mut parts = Vec::new();
for (i, (word, start)) in words.iter().enumerate() {
let next_start = if i + 1 < words.len() {
words[i + 1].1
} else {
cue_end
};
let duration_cs = ((next_start - start) * 100.0).round().max(1.0) as u64;
parts.push(format!("{{\\k{}}}{}", duration_cs, word));
}
parts.join(" ")
} else {
strip_vtt_tags(raw)
}
}
/// Group spoken lines into 2-line pages for the teleprompter display. /// Group spoken lines into 2-line pages for the teleprompter display.
/// If the gap between two consecutive lines exceeds `gap_threshold` seconds, /// If the gap between two consecutive lines exceeds `gap_threshold` seconds,
/// the pair is split into separate single-line pages. /// the pair is split into separate single-line pages.