创作类AI产品分析：HeyGen数字人产品

import jsonfrom dataclasses import dataclass, fieldfrom typing import List, Dict, Optional  @dataclassclass DigitalAvatar:    """数字人形象定义"""    avatar_id: str    name: str    language: str = "zh"    voice_cloned: bool = False    owner: str = "system"  @dataclassclass VideoTemplate:    """视频模板定义"""    template_id: str    name: str    scene: str  # training / marketing / news    platforms: List[str] = field(default_factory=list)    duration_limit: int = 300  # 秒  @dataclassclass VideoProject:    """视频生成项目"""    project_id: str    script: str    avatar: DigitalAvatar    template: VideoTemplate    target_languages: List[str] = field(default_factory=list)    status: str = "pending"  class HeyGenSimulator:    """HeyGen数字人视频生成模拟器"""     def __init__(self):        self.avatars: Dict[str, DigitalAvatar] = {}        self.templates: Dict[str, VideoTemplate] = {}        self.projects: Dict[str, VideoProject] = {}        self.pricing = {"base": 99, "per_minute": 2.5, "enterprise_per_minute": 1.2}     def add_avatar(self, avatar: DigitalAvatar):        """添加数字人形象"""        self.avatars[avatar.avatar_id] = avatar        print(f"数字人已添加: {avatar.name} (语言: {avatar.language})")     def train_custom_avatar(self, owner: str, video_duration: int) -> DigitalAvatar:        """训练自定义数字人"""        if video_duration < 120:            print("警告: 训练视频需至少2分钟")        avatar = DigitalAvatar(            avatar_id=f"custom_{owner}",            name=f"{owner}的数字分身",            language="zh",            voice_cloned=True,            owner=owner,        )        self.avatars[avatar.avatar_id] = avatar        print(f"自定义数字人训练完成: {avatar.name} (语音克隆: {avatar.voice_cloned})")        return avatar     def generate_video(self, project: VideoProject) -> Dict:        """生成数字人视频"""        results = {"project_id": project.project_id, "videos": []}        for lang in project.target_languages:            video = {                "language": lang,                "avatar": project.avatar.name,                "template": project.template.name,                "duration_sec": len(project.script) // 3,                "lip_sync": True,                "voice_cloned": project.avatar.voice_cloned,            }            results["videos"].append(video)            print(f"  生成 {lang} 版本: {video['duration_sec']}秒, 唇形同步: {video['lip_sync']}")        project.status = "completed"        self.projects[project.project_id] = project        return results     def calculate_cost(self, total_minutes: float, is_enterprise: bool = False) -> Dict:        """计算月费成本"""        rate = self.pricing["enterprise_per_minute"] if is_enterprise else self.pricing["per_minute"]        base = self.pricing["base"]        usage_cost = rate * total_minutes        total = base + usage_cost        return {"base_fee": base, "usage_cost": round(usage_cost, 2),                "total": round(total, 2), "rate_per_minute": rate}  def main():    sim = HeyGenSimulator()     sim.add_avatar(DigitalAvatar("sys_001", "Anna", "en"))    sim.add_avatar(DigitalAvatar("sys_002", "小明", "zh"))     custom = sim.train_custom_avatar("AcmeCorp", 130)     tpl = VideoTemplate("tpl_training", "企业培训模板", "training",                        ["youtube", "internal"], 600)    sim.templates[tpl.template_id] = tpl     project = VideoProject(        project_id="proj_001",        script="欢迎参加新员工培训。本课程将介绍公司的核心价值观和行为规范。",        avatar=custom,        template=tpl,        target_languages=["zh", "en", "ja", "ko", "es", "fr"],    )     print(f"\n--- 视频生成 ---")    print(f"项目: {project.project_id}, 模板: {tpl.name}")    print(f"目标语言: {project.target_languages}")    results = sim.generate_video(project)    print(f"\n共生成 {len(results['videos'])} 个语言版本")     print(f"\n--- 成本计算 ---")    total_min = sum(v["duration_sec"] for v in results["videos"]) / 60    cost = sim.calculate_cost(total_min, is_enterprise=True)    print(f"总时长: {total_min:.1f}分钟")    print(f"基础费: {cost['base_fee']}元, 用量费: {cost['usage_cost']}元")    print(f"月费合计: {cost['total']}元 (单价: {cost['rate_per_minute']}元/分钟)")  if __name__ == '__main__':    main()