From de5556f21bacd934e5ce19d19f42804b44794919 Mon Sep 17 00:00:00 2001
From: Talmo Pereira <talmo@salk.edu>
Date: Thu, 30 Nov 2023 12:25:06 -0800
Subject: [PATCH] Add check for empty videos

---
 sleap/io/video.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sleap/io/video.py b/sleap/io/video.py
index 39de1972f..f64373d37 100644
--- a/sleap/io/video.py
+++ b/sleap/io/video.py
@@ -1450,7 +1450,9 @@ def encode(img):
                 for i in range(len(frame_numbers)):
                     frames.append(encode(frame_data[i]))
 
-                max_frame_size = max([len(x) for x in frames])
+                max_frame_size = (
+                    max([len(x) if len(x) else 0 for x in frames]) if len(frames) else 0
+                )
 
                 dset = f.create_dataset(
                     dataset + "/video",