feat: add per-port SCTE35 inject endpoint

backend/app/api/routes.py

@@ -23,6 +23,7 @@ class SCTE35InjectionRequest(BaseModel):
     webhook_url: Optional[str] = Field(None, description="Optional webhook URL")
     out_of_network: bool = Field(True, description="Out of network indicator")
     splice_immediate: bool = Field(False, description="Splice immediate flag")
+    srt_destination_url: Optional[str] = Field(None, description="Target specific SRT destination (None = all)")
 
 
 router = APIRouter(prefix="/api")
@@ -206,15 +207,10 @@ async def inject_scte35_marker(
     manager: SCTE35Manager = Depends(get_scte35_manager),
 ) -> SCTE35Marker:
     """
-    Inject a SCTE35 ad break marker.
+    Inject a SCTE35 ad break marker globally (all ports).
 
     Args:
-        request: SCTE35InjectionRequest with:
+        request: SCTE35InjectionRequest
-            - event_id: int (unique event identifier)
-            - duration_seconds: float (duration in seconds)
-            - webhook_url: str | None (optional callback URL)
-            - out_of_network: bool (whether out-of-network ad)
-            - splice_immediate: bool (whether splice immediately)
 
     Returns:
         SCTE35Marker with timestamp and metadata
@@ -229,9 +225,11 @@ async def inject_scte35_marker(
             webhook_url=request.webhook_url,
             out_of_network=request.out_of_network,
             splice_immediate=request.splice_immediate,
+            port_index=None,
+            srt_destination_url=request.srt_destination_url,
         )
 
-        logger.info(f"Injected SCTE35 marker with event_id {request.event_id}")
+        logger.info(f"Injected global SCTE35 marker event_id={request.event_id}")
         return marker
 
     except ValueError as e:
@@ -242,6 +240,44 @@ async def inject_scte35_marker(
         raise HTTPException(status_code=500, detail="Internal server error")
 
 
+@router.post("/ports/{port_index}/scte35/inject", response_model=SCTE35Marker)
+async def inject_scte35_marker_for_port(
+    port_index: int,
+    request: SCTE35InjectionRequest,
+    manager: SCTE35Manager = Depends(get_scte35_manager),
+) -> SCTE35Marker:
+    """
+    Inject a SCTE35 ad break marker on a specific port's SRT output(s).
+
+    Args:
+        port_index: 0-based port index
+        request: SCTE35InjectionRequest
+
+    Returns:
+        SCTE35Marker with timestamp, port_index, and metadata
+    """
+    try:
+        marker = await manager.inject_marker(
+            event_id=request.event_id,
+            duration_seconds=request.duration_seconds,
+            webhook_url=request.webhook_url,
+            out_of_network=request.out_of_network,
+            splice_immediate=request.splice_immediate,
+            port_index=port_index,
+            srt_destination_url=request.srt_destination_url,
+        )
+
+        logger.info(f"Injected SCTE35 marker event_id={request.event_id} on port {port_index}")
+        return marker
+
+    except ValueError as e:
+        logger.warning(f"Invalid SCTE35 parameters: {e}")
+        raise HTTPException(status_code=400, detail=str(e))
+    except Exception as e:
+        logger.error(f"Error injecting SCTE35 marker on port {port_index}: {e}")
+        raise HTTPException(status_code=500, detail="Internal server error")
+
+
 @router.get("/scte35/history", response_model=list[SCTE35Marker])
 async def get_scte35_history(
     manager: SCTE35Manager = Depends(get_scte35_manager),
@@ -257,3 +293,18 @@ async def get_scte35_history(
     except Exception as e:
         logger.error(f"Error retrieving SCTE35 history: {e}")
         raise HTTPException(status_code=500, detail="Internal server error")
+
+
+@router.get("/ports/{port_index}/scte35/history", response_model=list[SCTE35Marker])
+async def get_scte35_history_for_port(
+    port_index: int,
+    manager: SCTE35Manager = Depends(get_scte35_manager),
+) -> list[SCTE35Marker]:
+    """
+    Get SCTE35 marker history for a specific port.
+    """
+    try:
+        return [m for m in manager.get_marker_history() if m.port_index == port_index]
+    except Exception as e:
+        logger.error(f"Error retrieving SCTE35 history for port {port_index}: {e}")
+        raise HTTPException(status_code=500, detail="Internal server error")