71 lines
3.1 KiB
TypeScript
71 lines
3.1 KiB
TypeScript
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import type { ToolDefinition } from './types';
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export const validateStoryboard: ToolDefinition = {
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name: 'validate_storyboard',
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description: '校验分镜脚本质量：TTS 估算 ≤ 6s、ratio 预检、script 拼接校验。返回校验结果和问题列表。',
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input_schema: {
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type: 'object',
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properties: {
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items: { type: 'string', description: '分镜 JSON 数组字符串，每个元素需包含 shotDesc、script 字段，可选 duration、directorRef' },
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videoModelDuration: { type: 'number', description: '视频模型固定时长（秒），默认 6' },
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},
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required: ['items'],
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},
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execute: async (params) => {
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const { items, videoModelDuration = 6 } = params as { items: string; videoModelDuration?: number };
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let parsed: any[];
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try { parsed = JSON.parse(items); } catch { return '错误: items 不是合法 JSON'; }
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if (!Array.isArray(parsed) || parsed.length === 0) return '错误: items 必须是非空数组';
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const errors: string[] = [];
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const warnings: string[] = [];
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const TTS_SPEED = 1.15;
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const CHARS_PER_SEC = 5;
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for (const item of parsed) {
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const idx = item.id ?? parsed.indexOf(item) + 1;
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const script: string = item.script || '';
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const charCount = script.length;
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const ttsEstimate = charCount / CHARS_PER_SEC;
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const audioDur = ttsEstimate * TTS_SPEED;
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const ratio = videoModelDuration / audioDur;
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if (!item.shotDesc) errors.push(`Shot ${idx}: 缺少 shotDesc`);
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if (!script) errors.push(`Shot ${idx}: 缺少 script`);
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// TTS 估算检查
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if (ttsEstimate > 6) {
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errors.push(`Shot ${idx}: TTS 估算 ${ttsEstimate.toFixed(1)}s > 6s，必须拆分 (script: ${script.slice(0, 30)}...)`);
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}
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// ratio 预检
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if (ratio < 0.9) {
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errors.push(`Shot ${idx}: ratio ${ratio.toFixed(2)} < 0.9，音频太长需拆分 (audio=${audioDur.toFixed(1)}s, video=${videoModelDuration}s)`);
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}
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if (!item.directorRef) {
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warnings.push(`Shot ${idx}: 建议填写 directorRef`);
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}
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}
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// script 拼接校验 - 返回统计而非原文比对（原文由用户提供）
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const totalChars = parsed.reduce((sum: number, i: any) => sum + (i.script?.length || 0), 0);
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const totalAudio = (totalChars / CHARS_PER_SEC) * TTS_SPEED;
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const result = {
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valid: errors.length === 0,
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shotCount: parsed.length,
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totalChars,
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estimatedTotalAudio: `${totalAudio.toFixed(1)}s`,
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errors,
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warnings,
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};
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if (errors.length > 0) {
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return `❌ 分镜校验未通过 (${errors.length} 个问题):\n\n${errors.map((e, i) => `${i + 1}. ${e}`).join('\n')}${warnings.length ? `\n\n⚠️ 警告:\n${warnings.map((w, i) => `${i + 1}. ${w}`).join('\n')}` : ''}\n\n统计: ${parsed.length} 个镜头, 总字数 ${totalChars}, 音频估算 ${totalAudio.toFixed(1)}s`;
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}
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return `✅ 分镜校验通过\n\n统计: ${parsed.length} 个镜头, 总字数 ${totalChars}, 音频估算 ${totalAudio.toFixed(1)}s${warnings.length ? `\n\n⚠️ 警告:\n${warnings.map((w, i) => `${i + 1}. ${w}`).join('\n')}` : ''}`;
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},
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};
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