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fix(subtitles): suppress per-glyph typesetting walls in live subtitle text

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When embedded-track extraction is skipped (network-mounted media), live mpv
text during per-glyph typeset karaoke is a wall of simultaneous one-glyph
lines plus the syllable being typed. No parsed cues exist to substitute, so
the wall reached both overlays and recording verbatim. Detect bursts of many
single-glyph lines in the live fallback paths and drop them with their short
syllable companions, keeping concurrent dialogue lines.
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sudacode
2026-08-23 20:33:13 -07:00
parent 9f08adbfb9
commit 1717d2d3f2
8 changed files with 110 additions and 8 deletions
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changes/dedupe-embedded-subtitle-extraction.md
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@@ -2,3 +2,4 @@ type: fixed
area: subtitles
- Prevented embedded subtitle parsing from starving network playback: mounted SMB/NFS media now uses deduplicated mpv live text, while duplicate extraction requests for local media share one ffmpeg process.
- Live subtitle text from per-glyph typeset karaoke (network-mounted media without parsed cues) no longer shows a wall of scattered letters in the overlays; the glyph wall and its typed-syllable fragments are suppressed while concurrent dialogue lines remain.