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Avoid crash when text track doesn't have a title or language

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This commit is contained in:
Hampton Maxwell 2018-06-20 15:26:24 -07:00
parent 20aae509db
commit 9ad11dd569
1 changed files with 7 additions and 4 deletions
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11
ios/RCTVideo.m
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@ -702,13 +702,16 @@ static NSString *const timedMetadata = @"timedMetadata";
mediaSelectionGroupForMediaCharacteristic:AVMediaCharacteristicLegible];
for (int i = 0; i < group.options.count; ++i) {
AVMediaSelectionOption *currentOption = [group.options objectAtIndex:i];
NSString *title = [[[currentOption commonMetadata]
valueForKey:@"value"]
objectAtIndex:0];
NSString *title = @"";
NSArray *values = [[currentOption commonMetadata] valueForKey:@"value"];
if (values.count > 0) {
title = [values objectAtIndex:0];
}
NSString *language = [currentOption extendedLanguageTag] ? [currentOption extendedLanguageTag] : @"";
NSDictionary *textTrack = @{
@"index": [NSNumber numberWithInt:i],
@"title": title,
@"language": [currentOption extendedLanguageTag]
@"language": language
};
[textTracks addObject:textTrack];
}