(ios) fix crash when media is loaded without metadata

Lindsay-Needs-Sleep · Lindsay-Needs-Sleep · commit 94aa4a626c2a · 2020-11-28T14:56:58.000-07:00
diff --git a/src/ios/MLPCastUtilities.m b/src/ios/MLPCastUtilities.m
@@ -118,6 +118,9 @@ + (GCKMediaTextTrackStyle *)buildTextTrackStyle:(NSDictionary *)data {
 }
 
 +(GCKMediaMetadata*)buildMediaMetadata:(NSDictionary*)data {
+    if ([data isEqual:[NSNull null]] || data == nil) {
+        return nil;
+    }
     GCKMediaMetadata* mediaMetaData = [[GCKMediaMetadata alloc] initWithMetadataType:GCKMediaMetadataTypeGeneric];
     
     if (data[@"metadataType"]) {

Original file line number	Diff line number	Diff line change
`@@ -118,6 +118,9 @@ + (GCKMediaTextTrackStyle )buildTextTrackStyle:(NSDictionary )data {`
`118`	`118`	`}`
`119`	`119`
`120`	`120`	`+(GCKMediaMetadata)buildMediaMetadata:(NSDictionary)data {`
	`121`	`+ if ([data isEqual:[NSNull null]] \|\| data == nil) {`
	`122`	`+ return nil;`
	`123`	`+ }`
`121`	`124`	`GCKMediaMetadata* mediaMetaData = [[GCKMediaMetadata alloc] initWithMetadataType:GCKMediaMetadataTypeGeneric];`
`122`	`125`
`123`	`126`	`if (data[@"metadataType"]) {`