# chuk-motion/src/chuk_motion/components/layouts/PerformanceMultiCam/tool.py
"""PerformanceMultiCam MCP tool."""
import asyncio
import json
from chuk_motion.components.component_helpers import parse_nested_component
from chuk_motion.models import ErrorResponse, LayoutComponentResponse
def register_tool(mcp, project_manager):
"""Register the PerformanceMultiCam tool with the MCP server."""
@mcp.tool
async def remotion_add_performance_multi_cam(
primary_cam: str | None = None,
secondary_cams: str | None = None,
layout: str = "primary-main",
gap: float = 20,
padding: float = 40,
duration: float | str = 5.0,
) -> str:
"""
Add PerformanceMultiCam layout to the composition.
Multi-camera performance view (concerts, sports, etc.) with primary and secondary angles.
Args:
primary_cam: JSON component for primary camera feed. Format: {"type": "ComponentName", "config": {...}}
secondary_cams: JSON array of component objects for secondary camera feeds (max 4). Format: [{"type": "...", "config": {...}}, ...]
layout: Layout style (primary-main, grid, etc.)
gap: Gap between camera feeds
padding: Padding from edges
duration: Duration 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:
primary_parsed = json.loads(primary_cam) if primary_cam else None
secondary_parsed = json.loads(secondary_cams) if secondary_cams else []
except json.JSONDecodeError as e:
return ErrorResponse(error=f"Invalid JSON: {str(e)}").model_dump_json()
# Limit to 4 secondary cameras
if isinstance(secondary_parsed, list):
secondary_parsed = secondary_parsed[:4]
try:
# Convert nested components to ComponentInstance objects
primary_component = parse_nested_component(primary_parsed)
# Parse array of secondary cameras
secondary_components = []
if isinstance(secondary_parsed, list):
for item in secondary_parsed:
comp = parse_nested_component(item)
if comp is not None:
secondary_components.append(comp)
# Get builder and start time
builder = project_manager.current_timeline
start_time = builder.get_total_duration_seconds()
# Add component using builder
builder.add_performance_multi_cam(
start_time=start_time,
primary_cam=primary_component,
secondary_cams=secondary_components,
layout=layout,
gap=gap,
padding=padding,
duration=duration,
)
return LayoutComponentResponse(
component="PerformanceMultiCam",
layout=layout,
start_time=start_time,
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)
