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fix(web-test): move TTS to tools/tts/, use atempo instead of trimming

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- node-edge-tts installed in tools/tts/ (alongside tools/ffmpeg/)
- Speed up TTS with ffmpeg atempo when it exceeds gap to next caption,
  instead of hard-cutting the audio

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Nick Shirokov
2026-03-02 23:46:50 +03:00
parent 6ce36f7d9b
commit e9b53505ac
1 changed files with 7 additions and 6 deletions
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.claude/skills/web-test/scripts/browser.mjs
+7 -6
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@@ -2727,17 +2727,18 @@ export async function addNarration(videoPath, opts = {}) {
segments.push({ file: silenceFile, type: 'silence' });
}
// Check if TTS audio is longer than gap to next caption — trim if needed
// Speed up TTS if it's longer than gap to next caption (instead of trimming)
if (i < captions.length - 1) {
const nextTimeMs = captions[i + 1].time;
const maxDuration = (nextTimeMs - captionTimeMs) / 1000;
if (ttsDuration > maxDuration && maxDuration > 0.1) {
const trimmedFile = pathJoin(tempDir, `tts_${i}_trimmed.mp3`);
const tempo = ttsDuration / maxDuration;
const spedFile = pathJoin(tempDir, `tts_${i}_sped.mp3`);
execFileSync(ffmpegPath, [
'-y', '-i', ttsFile, '-t', String(maxDuration),
'-c:a', 'copy', trimmedFile,
'-y', '-i', ttsFile, '-af', `atempo=${tempo.toFixed(4)}`,
'-c:a', 'libmp3lame', '-b:a', '128k', spedFile,
], { stdio: 'pipe', timeout: 10000 });
segments.push({ file: trimmedFile, type: 'tts' });
segments.push({ file: spedFile, type: 'tts' });
continue;
}
}
@@ -3067,7 +3068,7 @@ function resolveFfmpeg(explicit) {
async function edgeTtsProvider(text, outputPath, opts = {}) {
// Resolve from tools/node_modules/ (next to ffmpeg)
const __fn = fileURLToPath(import.meta.url);
const ttsModulePath = pathResolve(dirname(__fn), '..', '..', '..', '..', 'tools', 'node_modules', 'node-edge-tts', 'dist', 'edge-tts.js');
const ttsModulePath = pathResolve(dirname(__fn), '..', '..', '..', '..', 'tools', 'tts', 'node_modules', 'node-edge-tts', 'dist', 'edge-tts.js');
const { EdgeTTS } = await import(pathToFileURL(ttsModulePath).href);
const voice = opts.voice || 'ru-RU-DmitryNeural';
const tts = new EdgeTTS({ voice });