sion123
6097a809bf
移除 TTS 阶段逐句切分及 segments 数组逻辑，统一为整段音频合成。 CapCut 字幕切分由组装阶段按字符比例分配，简化音频上传、 时间线构建和字幕生成流程，减少冗余处理分支。
54 lines
1.8 KiB
JavaScript
54 lines
1.8 KiB
JavaScript
/**
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* Phase: tts — 语音合成（整段合成）
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*
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* 每个 item 的 script 整段合成一个音频文件，保留自然语调。
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* item.audio 指向完整音频，item.audioDuration 为总时长。
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* 字幕切分由组装阶段按字符比例分配，不在 TTS 阶段处理。
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*/
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const path = require('path')
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const { saveManifest, ensureDir, log, getManifestDir } = require('./pipeline-utils')
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async function phaseTts(manifest, manifestPath, options = {}) {
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const dir = getManifestDir(manifestPath)
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const audioDir = path.join(dir, 'audio')
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ensureDir(audioDir)
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const { synthesize } = require('../qwen-tts')
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const items = manifest.items.filter(it =>
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it.status === 'done' && (it.script || it.text) && !it.audio
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)
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if (items.length === 0) { log('tts', '无待处理 item，跳过'); return }
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log('tts', `共 ${items.length} 段`)
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for (let i = 0; i < items.length; i++) {
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const item = items[i]
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const idx = i + 1
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const fullText = item.script || item.text
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try {
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const { filePath, duration } = await synthesize(fullText, {
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outputDir: audioDir,
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id: String(item.id || idx),
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voice: manifest.ttsVoice || undefined,
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instruction: manifest.ttsInstruction || undefined,
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rate: manifest.ttsRate || undefined,
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})
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const totalDuration = Math.round(duration * 1000) / 1000
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item.audio = path.relative(dir, filePath).replace(/\\/g, '/')
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item.audioDuration = totalDuration
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log('tts', `[${idx}/${items.length}] ${totalDuration.toFixed(1)}s: ${fullText.substring(0, 30)}...`)
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} catch (err) {
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item.status = 'failed'
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item.error = `TTS失败: ${err.message}`
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log('tts', `[${idx}/${items.length}] 失败: ${err.message}`)
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}
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saveManifest(manifestPath, manifest)
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}
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}
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module.exports = { phaseTts }
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