Save exports to database (#11040)

* Save review thumbs in dedicated folder

* Create exports table

* Save exports to DB and save thumbnail for export

* Save full frame always

* Fix rounded corners

* Save exports that are in progress

* No need to remove spaces

* Reorganize apis to use IDs

* Use new apis for frontend

* Get video playback working

* Fix deleting and renaming

* Import existing exports to DB

* Implement downloading

* Formatting

frigate/review/maintainer.py

@@ -9,6 +9,7 @@ import sys
 import threading
 from enum import Enum
 from multiprocessing.synchronize import Event as MpEvent
+from pathlib import Path
 from typing import Optional
 
 import cv2
@@ -64,7 +65,9 @@ class PendingReviewSegment:
         # thumbnail
         self.frame = np.zeros((THUMB_HEIGHT * 3 // 2, THUMB_WIDTH), np.uint8)
         self.frame_active_count = 0
-        self.frame_path = os.path.join(CLIPS_DIR, f"thumb-{self.camera}-{self.id}.jpg")
+        self.frame_path = os.path.join(
+            CLIPS_DIR, f"review/thumb-{self.camera}-{self.id}.webp"
+        )
 
     def update_frame(
         self, camera_config: CameraConfig, frame, objects: list[TrackedObject]
@@ -138,6 +141,9 @@ class ReviewSegmentMaintainer(threading.Thread):
         # manual events
         self.indefinite_events: dict[str, dict[str, any]] = {}
 
+        # ensure dirs
+        Path(os.path.join(CLIPS_DIR, "review")).mkdir(exist_ok=True)
+
         self.stop_event = stop_event
 
     def update_segment(self, segment: PendingReviewSegment) -> None: