from pydantic import BaseModel

class Stream(BaseModel):
    # 视频编码器
    cv: str = "libx264"
    # 预设
    preset: str = "ultrafast"
    # 优化
    tune: str = "zerolatency"
    # 音频编码器
    ca: str = "aac"
    # 音频比特率
    ba: str = "128k"
    # 帧间隔
    g: str = '5'
    # 码率
    bv: str = "6000k"
    # 帧率
    r: str = "30"