Media: AudioVideoMetadataParser - Parse rotation metadata.

chrome/common/extensions/api/media_galleries.idl

Index: chrome/common/extensions/api/media_galleries.idl
diff --git a/chrome/common/extensions/api/media_galleries.idl b/chrome/common/extensions/api/media_galleries.idl
index ebcf297f6e6138a434d6306437a6869119e2ae4e..a750ce4a37ac5c8a936442dc3525a612c80e6453 100644
--- a/chrome/common/extensions/api/media_galleries.idl
+++ b/chrome/common/extensions/api/media_galleries.idl
@@ -106,6 +106,9 @@ namespace mediaGalleries {
 
     // Defined for audio and video. In seconds.
     double? duration;
+    
+    // Defined for images and video. In degrees counterclockwise.

[Lei Zhang, 2014/02/13 02:59:26]

Is this how it's usually done in the video world? seem un-intuitive to do
counterclock-wise

[tommycli, 2014/02/13 22:32:33]

Yeah I agree the comment is confusing. I changed it.

I defined it the same way as exiftool and ffmpeg does it - just looks like
someone rotated the video 90 degrees CCW.

+    long? rotation;
 
     // Generic metadata tags.
     DOMString? album;