Merge pull request #1632 from jlucfarias/add-symbols-forecast

Add symbols for Forecast

Author: CuriousTommy

src/frameworks/AVFoundation/constants.m

@@ -84,3 +84,11 @@
 
 const AVMediaType AVMediaTypeAudio = @"soun";
 const AVMediaType AVMediaTypeVideo = @"vide";
+
+const AVMetadataKey AVMetadataCommonKeyAlbumName = @"albumName";
+const AVMetadataKey AVMetadataCommonKeyArtist = @"artist";
+const AVMetadataKey AVMetadataCommonKeyArtwork = @"artwork";
+const AVMetadataKey AVMetadataCommonKeyDescription = @"description";
+const AVMetadataKey AVMetadataCommonKeyTitle = @"title";
+
+const AVMetadataKey AVMetadataID3MetadataKeyUserURL = @"WXXX";

src/frameworks/AVFoundation/include/AVFoundation/AVMediaFormat.h

@@ -1,5 +1,15 @@
 #import <Foundation/Foundation.h>
 
+typedef NSString *AVMetadataKey;
+
+extern const AVMetadataKey AVMetadataCommonKeyAlbumName;
+extern const AVMetadataKey AVMetadataCommonKeyArtist;
+extern const AVMetadataKey AVMetadataCommonKeyArtwork;
+extern const AVMetadataKey AVMetadataCommonKeyDescription;
+extern const AVMetadataKey AVMetadataCommonKeyTitle;
+
+extern const AVMetadataKey AVMetadataID3MetadataKeyUserURL;
+
 typedef NSString *AVMediaType;
 typedef NSString *AVFileType;