add_video_background_filling

Instructions

Implementation Reference

• jianyingdraft/tool/video_tool.py:444-502 (handler)

  Main tool handler decorated with @mcp.tool(). Handles input validation, retrieves draft/track info, calls service, returns ToolResponse.

  @mcp.tool()
  def add_video_background_filling(
          video_segment_id: str,
          fill_type: str,
          blur: float = 0.0625,
          color: str = "#00000000"
  ) -> ToolResponse:
      """
      为视频片段添加背景填充效果
  
      Args:
          video_segment_id: 视频片段ID，通过add_video_segment获得
          fill_type: 填充类型，"blur"表示模糊，"color"表示颜色
          blur: 模糊程度，范围0.0-1.0，仅在fill_type为"blur"时有效，默认0.0625
                剪映中的四档模糊数值分别为0.0625, 0.375, 0.75和1.0
          color: 填充颜色，格式为'#RRGGBBAA'，仅在fill_type为"color"时有效，默认"#00000000"
      """
      # 参数验证
      if fill_type not in ["blur", "color"]:
          return ToolResponse(
              success=False,
              message=f"无效的填充类型 '{fill_type}'，支持的类型: blur, color"
          )
  
      if not (0.0 <= blur <= 1.0):
          return ToolResponse(
              success=False,
              message=f"模糊程度必须在0.0-1.0范围内，当前值: {blur}"
          )
  
      # 通过video_segment_id获取相关信息
      draft_id = index_manager.get_draft_id_by_video_segment_id(video_segment_id)
      track_info = index_manager.get_track_info_by_video_segment_id(video_segment_id)
  
      if not draft_id:
          return ToolResponse(
              success=False,
              message=f"未找到视频片段ID对应的草稿: {video_segment_id}"
          )
  
      if not track_info:
          return ToolResponse(
              success=False,
              message=f"未找到视频片段ID对应的轨道信息: {video_segment_id}"
          )
  
      track_name = track_info.get("track_name")
  
      # 调用服务层处理业务逻辑
      result = add_video_background_filling_service(
          draft_id=draft_id,
          video_segment_id=video_segment_id,
          fill_type=fill_type,
          blur=blur,
          color=color,
          track_name=track_name
      )
  
      return result

• jianyingdraft/services/video_service.py:400-472 (helper)

  Service layer function that instantiates VideoSegment and invokes its add_background_filling method to perform the actual background filling operation.

  def add_video_background_filling_service(
      draft_id: str,
      video_segment_id: str,
      fill_type: str,
      blur: float = 0.0625,
      color: str = "#00000000",
      track_name: Optional[str] = None
  ) -> ToolResponse:
      """
      视频背景填充添加服务 - 为视频片段添加背景填充效果
  
      Args:
          draft_id: 草稿ID
          video_segment_id: 视频片段ID
          fill_type: 填充类型，"blur"表示模糊，"color"表示颜色
          blur: 模糊程度，0.0-1.0，仅在fill_type为"blur"时有效，默认0.0625
          color: 填充颜色，格式为'#RRGGBBAA'，仅在fill_type为"color"时有效，默认"#00000000"
          track_name: 轨道名称（可选）
  
      Returns:
          ToolResponse: 包含操作结果的响应对象
      """
      try:
          # 创建VideoSegment实例，传入video_segment_id
          video_segment = VideoSegment(draft_id, video_segment_id=video_segment_id, track_name=track_name)
  
          # 调用视频背景填充添加方法
          result_data = video_segment.add_background_filling(
              fill_type=fill_type,
              blur=blur,
              color=color
          )
  
          # 构建返回数据
          response_data = {
              "video_segment_id": video_segment_id,
              "draft_id": draft_id,
              "fill_type": fill_type,
              "blur": blur,
              "color": color,
              "add_background_filling": result_data
          }
  
          # 如果有轨道名称，添加到返回数据中
          if track_name:
              response_data["track_name"] = track_name
  
          return ToolResponse(
              success=True,
              message=f"视频背景填充添加成功: {fill_type}",
              data=response_data
          )
  
      except ValueError as e:
          # 处理参数错误
          return ToolResponse(
              success=False,
              message=f"参数错误: {str(e)}"
          )
  
      except NameError as e:
          # 处理轨道不存在错误
          return ToolResponse(
              success=False,
              message=f"轨道错误: {str(e)}"
          )
  
      except Exception as e:
          # 处理其他未预期的错误
          return ToolResponse(
              success=False,
              message=f"视频背景填充添加失败: {str(e)}"
          )

• jianyingdraft/server.py:18-31 (registration)

  The server.py file imports and calls video_tools(mcp), which registers the add_video_background_filling tool along with other video tools via @mcp.tool() decorators.

  from jianyingdraft.tool.video_tool import video_tools
  from jianyingdraft.tool.text_tool import text_tools
  from jianyingdraft.tool.audio_tool import audio_tools
  from jianyingdraft.tool.utility_tool import utility_tools
  
  
  def main():
      # 注册所有工具
      draft_tools(mcp)
      track_tools(mcp)
      video_tools(mcp)
      text_tools(mcp)
      audio_tools(mcp)
      utility_tools(mcp)