Upload panel: drag-drop multi-file queue, parallel uploads, MP4+AVI support, styled UI

server.py

@@ -163,12 +163,15 @@ class PlayerHandler(BaseHTTPRequestHandler):
         except ValueError:
             return self.send_error(400, "date must be YYYYMMDD or YYYY-MM-DD")
         suffix = match.group(4).lower()
-        if suffix == "avi":
-            return self.send_error(400, "Only pre-encoded .mp4 uploads are accepted; AVI sources go through the Encoding menu")
+        if suffix not in ("mp4", "avi"):
+            return self.send_error(400, "Only .mp4 or .avi uploads are accepted")
 
         target_dir = self.server.output_root / day
-        target = target_dir / f"{hour:02d}.{minute:02d}.{second:02d}.mp4"
-        temporary = target.with_suffix(".uploading.mp4")
+        if suffix == "avi":
+            # AVI sources mirror the real recorder: stored in the source tree for the Encoding menu
+            target_dir = self.server.source_root / day
+        target = target_dir / f"{hour:02d}.{minute:02d}.{second:02d}.{suffix}"
+        temporary = target.with_suffix(f".uploading.{suffix}")
         try:
             target_dir.mkdir(parents=True, exist_ok=True)
             received = 0
@@ -187,7 +190,7 @@ class PlayerHandler(BaseHTTPRequestHandler):
             temporary.unlink(missing_ok=True)
             return self.send_error(500, "Failed to store upload")
         self.server.recordings.setdefault(day, [])
-        if not any(clip["name"] == target.name for clip in self.server.recordings[day]):
+        if suffix == "mp4" and not any(clip["name"] == target.name for clip in self.server.recordings[day]):
             self.server.recordings[day].append({
                 "name": target.name,
                 "start": hour * 3600 + minute * 60 + second,