From af5e9b51e19ee0ca27e8e38f061096b655615d18 Mon Sep 17 00:00:00 2001
From: ashilkn <ashilkn99@gmail.com>
Date: Thu, 1 Aug 2024 16:51:36 +0530
Subject: [PATCH] [mob][photos] Fix bug in parsing rotation metadata from video
 using FFProbe

---
 mobile/lib/models/ffmpeg/ffprobe_keys.dart  | 14 ++++++++++++++
 mobile/lib/models/ffmpeg/ffprobe_props.dart |  7 ++++++-
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/mobile/lib/models/ffmpeg/ffprobe_keys.dart b/mobile/lib/models/ffmpeg/ffprobe_keys.dart
index 5eddee32c8..55c26c29f1 100644
--- a/mobile/lib/models/ffmpeg/ffprobe_keys.dart
+++ b/mobile/lib/models/ffmpeg/ffprobe_keys.dart
@@ -72,6 +72,7 @@ class FFProbeKeys {
   static const xiaomiSlowMoment = 'com.xiaomi.slow_moment';
   static const sideDataList = 'side_data_list';
   static const rotation = 'rotation';
+  static const sideDataType = 'side_data_type';
 }
 
 class MediaStreamTypes {
@@ -83,3 +84,16 @@ class MediaStreamTypes {
   static const unknown = 'unknown';
   static const video = 'video';
 }
+
+enum SideDataType {
+  displayMatrix;
+
+  getString() {
+    switch (this) {
+      case SideDataType.displayMatrix:
+        return 'Display Matrix';
+      default:
+        assert(false, 'Unknown side data type: $this');
+    }
+  }
+}
diff --git a/mobile/lib/models/ffmpeg/ffprobe_props.dart b/mobile/lib/models/ffmpeg/ffprobe_props.dart
index b72c59f5ba..28a92869d1 100644
--- a/mobile/lib/models/ffmpeg/ffprobe_props.dart
+++ b/mobile/lib/models/ffmpeg/ffprobe_props.dart
@@ -174,7 +174,12 @@ class FFProbeProps {
           result._codecHeight = stream[key].toString();
           parsedData[key] = result._codecHeight;
         } else if (key == FFProbeKeys.sideDataList) {
-          result._rotation = stream[key][0][FFProbeKeys.rotation];
+          for (Map sideData in stream[key]) {
+            if (sideData[FFProbeKeys.sideDataType] ==
+                SideDataType.displayMatrix.getString()) {
+              result._rotation = sideData[FFProbeKeys.rotation];
+            }
+          }
         }
       }
     }