From 2f09a42f404d8f38c9ac25732066caac8a79e6f9 Mon Sep 17 00:00:00 2001
From: Mikael Finstad <finstaden@gmail.com>
Date: Fri, 24 Apr 2020 14:10:13 +0800
Subject: [PATCH] add rotation to file info

---
 util.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/util.js b/util.js
index 1f5edb3..2dd746d 100644
--- a/util.js
+++ b/util.js
@@ -16,12 +16,15 @@ async function readFileInfo(p) {
   ]);
   const json = JSON.parse(stdout);
   const stream = json.streams[0];
+
+  const rotation = stream.tags && stream.tags.rotate && parseInt(stream.tags.rotate, 10);
   return {
     // numFrames: parseInt(stream.nb_frames, 10),
     duration: parseFloat(stream.duration, 10),
     width: stream.width, // TODO coded_width?
     height: stream.height,
     framerateStr: stream.r_frame_rate,
+    rotation: !Number.isNaN(rotation) ? rotation : undefined,
   };
 }