Remotion Video Generator

# chuk-motion/src/chuk_motion/components/layouts/Timeline/tool.py """Timeline MCP tool.""" import asyncio import json from chuk_motion.components.component_helpers import parse_nested_component from chuk_motion.generator.composition_builder import ComponentInstance from chuk_motion.models import ErrorResponse, LayoutComponentResponse def register_tool(mcp, project_manager): """Register the Timeline tool with the MCP server.""" @mcp.tool async def remotion_add_timeline( main_content: str | None = None, milestones: str | None = None, current_time: float = 0, total_duration: float = 10, position: str = "bottom", height: float = 100, duration: float | str = 5.0, track: str = "main", gap_before: float | str | None = None, ) -> str: """ Add Timeline layout to the composition. Timeline visualization with main content and milestone markers. Args: main_content: JSON component for main content area. Format: {"type": "ComponentName", "config": {...}} milestones: JSON array of milestone component objects. Format: [{"type": "...", "config": {...}}, ...] current_time: Current time position on timeline total_duration: Total timeline duration position: Timeline position (top, bottom) height: Timeline bar height in pixels duration: Duration in seconds or time string (e.g., "5s", "1000ms") track: Track name (default: "main") gap_before: Gap before component in seconds or time string Returns: JSON with component info """ def _add(): if not project_manager.current_timeline: return ErrorResponse(error="No active project.").model_dump_json() try: main_parsed = json.loads(main_content) if main_content else None milestones_parsed = json.loads(milestones) if milestones else [] except json.JSONDecodeError as e: return ErrorResponse(error=f"Invalid JSON: {str(e)}").model_dump_json() try: # Convert nested components to ComponentInstance objects main_component = parse_nested_component(main_parsed) # Parse array of milestones milestones_components = [] if isinstance(milestones_parsed, list): for item in milestones_parsed: comp = parse_nested_component(item) if comp is not None: milestones_components.append(comp) component = ComponentInstance( component_type="Timeline", start_frame=0, duration_frames=0, props={ "main_content": main_component, "milestones": milestones_components, "current_time": current_time, "total_duration": total_duration, "position": position, "height": height, }, layer=0, ) component = project_manager.current_timeline.add_component( component, duration=duration, track=track, gap_before=gap_before ) return LayoutComponentResponse( component="Timeline", layout=position, start_time=project_manager.current_timeline.frames_to_seconds( component.start_frame ), duration=duration, ).model_dump_json() except Exception as e: return ErrorResponse(error=str(e)).model_dump_json() return await asyncio.get_event_loop().run_in_executor(None, _add)