318 lines
11 KiB
JavaScript
318 lines
11 KiB
JavaScript
// tts-text.js
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/**
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* TTS 文本提取与情绪处理
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*/
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// ============ 文本提取 ============
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export function extractSpeakText(rawText, rules = {}) {
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if (!rawText || typeof rawText !== 'string') return '';
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let text = rawText;
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const ttsPlaceholders = [];
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text = text.replace(/\[tts:[^\]]*\]/gi, (match) => {
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const placeholder = `__TTS_TAG_${ttsPlaceholders.length}__`;
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ttsPlaceholders.push(match);
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return placeholder;
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});
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const ranges = Array.isArray(rules.skipRanges) ? rules.skipRanges : [];
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for (const range of ranges) {
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const start = String(range?.start ?? '').trim();
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const end = String(range?.end ?? '').trim();
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if (!start && !end) continue;
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if (!start && end) {
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const endIdx = text.indexOf(end);
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if (endIdx !== -1) text = text.slice(endIdx + end.length);
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continue;
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}
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if (start && !end) {
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const startIdx = text.indexOf(start);
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if (startIdx !== -1) text = text.slice(0, startIdx);
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continue;
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}
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let out = '';
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let i = 0;
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while (true) {
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const sIdx = text.indexOf(start, i);
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if (sIdx === -1) {
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out += text.slice(i);
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break;
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}
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out += text.slice(i, sIdx);
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const eIdx = text.indexOf(end, sIdx + start.length);
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if (eIdx === -1) break;
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i = eIdx + end.length;
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}
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text = out;
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}
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const readRanges = Array.isArray(rules.readRanges) ? rules.readRanges : [];
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if (rules.readRangesEnabled && readRanges.length) {
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const keepSpans = [];
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for (const range of readRanges) {
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const start = String(range?.start ?? '').trim();
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const end = String(range?.end ?? '').trim();
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if (!start && !end) {
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keepSpans.push({ start: 0, end: text.length });
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continue;
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}
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if (!start && end) {
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const endIdx = text.indexOf(end);
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if (endIdx !== -1) keepSpans.push({ start: 0, end: endIdx });
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continue;
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}
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if (start && !end) {
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const startIdx = text.indexOf(start);
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if (startIdx !== -1) keepSpans.push({ start: startIdx + start.length, end: text.length });
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continue;
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}
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let i = 0;
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while (true) {
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const sIdx = text.indexOf(start, i);
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if (sIdx === -1) break;
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const eIdx = text.indexOf(end, sIdx + start.length);
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if (eIdx === -1) {
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keepSpans.push({ start: sIdx + start.length, end: text.length });
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break;
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}
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keepSpans.push({ start: sIdx + start.length, end: eIdx });
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i = eIdx + end.length;
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}
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}
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if (keepSpans.length) {
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keepSpans.sort((a, b) => a.start - b.start || a.end - b.end);
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const merged = [];
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for (const span of keepSpans) {
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if (!merged.length || span.start > merged[merged.length - 1].end) {
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merged.push({ start: span.start, end: span.end });
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} else {
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merged[merged.length - 1].end = Math.max(merged[merged.length - 1].end, span.end);
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}
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}
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text = merged.map(span => text.slice(span.start, span.end)).join('');
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} else {
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text = '';
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}
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}
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text = text.replace(/<script[\s\S]*?<\/script>/gi, '');
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text = text.replace(/<style[\s\S]*?<\/style>/gi, '');
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text = text.replace(/\n{3,}/g, '\n\n').trim();
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for (let i = 0; i < ttsPlaceholders.length; i++) {
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text = text.replace(`__TTS_TAG_${i}__`, ttsPlaceholders[i]);
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}
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return text;
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}
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// ============ 分段解析 ============
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export function parseTtsSegments(text) {
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if (!text || typeof text !== 'string') return [];
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const segments = [];
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const re = /\[tts:([^\]]*)\]/gi;
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let lastIndex = 0;
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let match = null;
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// 当前块的配置，每遇到新 [tts:] 块都重置
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let current = { emotion: '', context: '', speaker: '' };
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const pushSegment = (segmentText) => {
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const t = String(segmentText || '').trim();
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if (!t) return;
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segments.push({
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text: t,
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emotion: current.emotion || '',
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context: current.context || '',
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speaker: current.speaker || '', // 空字符串表示使用 UI 默认
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});
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};
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const parseDirective = (raw) => {
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// ★ 关键修改：每个新块都重置为空，不继承上一个块的 speaker
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const next = { emotion: '', context: '', speaker: '' };
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const parts = String(raw || '').split(';').map(s => s.trim()).filter(Boolean);
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for (const part of parts) {
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const idx = part.indexOf('=');
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if (idx === -1) continue;
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const key = part.slice(0, idx).trim().toLowerCase();
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let val = part.slice(idx + 1).trim();
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if ((val.startsWith('"') && val.endsWith('"')) || (val.startsWith('\'') && val.endsWith('\''))) {
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val = val.slice(1, -1).trim();
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}
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if (key === 'emotion') next.emotion = val;
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if (key === 'context') next.context = val;
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if (key === 'speaker') next.speaker = val;
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}
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current = next;
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};
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while ((match = re.exec(text)) !== null) {
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pushSegment(text.slice(lastIndex, match.index));
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parseDirective(match[1]);
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lastIndex = match.index + match[0].length;
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}
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pushSegment(text.slice(lastIndex));
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return segments;
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}
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// ============ 非鉴权分段切割 ============
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const FREE_MAX_TEXT = 200;
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const FREE_MIN_TEXT = 50;
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const FREE_SENTENCE_DELIMS = new Set(['。', '！', '？', '!', '?', ';', '；', '…', '.', '，', ',', '、', ':', '：']);
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function splitLongTextBySentence(text, maxLength) {
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const sentences = [];
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let buf = '';
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for (const ch of String(text || '')) {
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buf += ch;
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if (FREE_SENTENCE_DELIMS.has(ch)) {
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sentences.push(buf);
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buf = '';
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}
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}
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if (buf) sentences.push(buf);
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const chunks = [];
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let current = '';
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for (const sentence of sentences) {
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if (!sentence) continue;
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if (sentence.length > maxLength) {
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if (current) {
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chunks.push(current);
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current = '';
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}
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for (let i = 0; i < sentence.length; i += maxLength) {
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chunks.push(sentence.slice(i, i + maxLength));
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}
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continue;
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}
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if (!current) {
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current = sentence;
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continue;
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}
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if (current.length + sentence.length > maxLength) {
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chunks.push(current);
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current = sentence;
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continue;
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}
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current += sentence;
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}
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if (current) chunks.push(current);
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return chunks;
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}
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function splitTextForFree(text, maxLength = FREE_MAX_TEXT) {
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const chunks = [];
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const paragraphs = String(text || '').split(/\n\s*\n/).map(s => s.replace(/\n+/g, '\n').trim()).filter(Boolean);
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for (const para of paragraphs) {
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if (para.length <= maxLength) {
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chunks.push(para);
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continue;
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}
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chunks.push(...splitLongTextBySentence(para, maxLength));
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}
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return chunks;
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}
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export function splitTtsSegmentsForFree(segments, maxLength = FREE_MAX_TEXT) {
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if (!Array.isArray(segments) || !segments.length) return [];
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const out = [];
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for (const seg of segments) {
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const parts = splitTextForFree(seg.text, maxLength);
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if (!parts.length) continue;
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let buffer = '';
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for (const part of parts) {
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const t = String(part || '').trim();
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if (!t) continue;
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if (!buffer) {
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buffer = t;
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continue;
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}
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if (buffer.length < FREE_MIN_TEXT && buffer.length + t.length <= maxLength) {
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buffer += `\n${t}`;
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continue;
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}
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out.push({
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text: buffer,
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emotion: seg.emotion || '',
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context: seg.context || '',
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speaker: seg.speaker || '',
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resolvedSpeaker: seg.resolvedSpeaker || '',
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resolvedSource: seg.resolvedSource || '',
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});
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buffer = t;
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}
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if (buffer) {
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out.push({
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text: buffer,
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emotion: seg.emotion || '',
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context: seg.context || '',
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speaker: seg.speaker || '',
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resolvedSpeaker: seg.resolvedSpeaker || '',
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resolvedSource: seg.resolvedSource || '',
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});
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}
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}
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return out;
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}
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// ============ 默认跳过标签 ============
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export const DEFAULT_SKIP_TAGS = ['状态栏'];
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// ============ 情绪处理 ============
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export const TTS_EMOTIONS = new Set([
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'happy', 'sad', 'angry', 'surprised', 'fear', 'hate', 'excited', 'coldness', 'neutral',
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'depressed', 'lovey-dovey', 'shy', 'comfort', 'tension', 'tender', 'storytelling', 'radio',
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'magnetic', 'advertising', 'vocal-fry', 'asmr', 'news', 'entertainment', 'dialect',
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'chat', 'warm', 'affectionate', 'authoritative',
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]);
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export const EMOTION_CN_MAP = {
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'开心': 'happy', '高兴': 'happy', '愉悦': 'happy',
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'悲伤': 'sad', '难过': 'sad',
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'生气': 'angry', '愤怒': 'angry',
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'惊讶': 'surprised',
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'恐惧': 'fear', '害怕': 'fear',
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'厌恶': 'hate',
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'激动': 'excited', '兴奋': 'excited',
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'冷漠': 'coldness', '中性': 'neutral', '沮丧': 'depressed',
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'撒娇': 'lovey-dovey', '害羞': 'shy',
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'安慰': 'comfort', '鼓励': 'comfort',
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'咆哮': 'tension', '焦急': 'tension',
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'温柔': 'tender',
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'讲故事': 'storytelling', '自然讲述': 'storytelling',
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'情感电台': 'radio', '磁性': 'magnetic',
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'广告营销': 'advertising', '气泡音': 'vocal-fry',
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'低语': 'asmr', '新闻播报': 'news',
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'娱乐八卦': 'entertainment', '方言': 'dialect',
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'对话': 'chat', '闲聊': 'chat',
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'温暖': 'warm', '深情': 'affectionate', '权威': 'authoritative',
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};
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export function normalizeEmotion(raw) {
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if (!raw) return '';
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let val = String(raw).trim();
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if (!val) return '';
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val = EMOTION_CN_MAP[val] || EMOTION_CN_MAP[val.toLowerCase()] || val.toLowerCase();
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if (val === 'vocal - fry' || val === 'vocal_fry') val = 'vocal-fry';
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if (val === 'surprise') val = 'surprised';
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if (val === 'scare') val = 'fear';
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return TTS_EMOTIONS.has(val) ? val : '';
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}
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