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Handle ID3 frames that end with empty text field

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Issue: #2309

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=144061654
This commit is contained in:
olly 2017-01-10 02:27:41 -08:00 committed by Oliver Woodman
parent bf65df1b35
commit deefe50abc
1 changed files with 19 additions and 4 deletions
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23
library/src/main/java/com/google/android/exoplayer2/metadata/id3/Id3Decoder.java
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@ -308,9 +308,14 @@ public final class Id3Decoder implements MetadataDecoder {
int descriptionEndIndex = indexOfEos(data, 0, encoding);
String description = new String(data, 0, descriptionEndIndex, charset);
String value;
int valueStartIndex = descriptionEndIndex + delimiterLength(encoding);
int valueEndIndex = indexOfEos(data, valueStartIndex, encoding);
String value = new String(data, valueStartIndex, valueEndIndex - valueStartIndex, charset);
if (valueStartIndex < data.length) {
int valueEndIndex = indexOfEos(data, valueStartIndex, encoding);
value = new String(data, valueStartIndex, valueEndIndex - valueStartIndex, charset);
} else {
value = "";
}
return new TxxxFrame(description, value);
}
@ -408,15 +413,25 @@ public final class Id3Decoder implements MetadataDecoder {
int descriptionEndIndex = indexOfEos(data, 0, encoding);
String description = new String(data, 0, descriptionEndIndex, charset);
String text;
int textStartIndex = descriptionEndIndex + delimiterLength(encoding);
int textEndIndex = indexOfEos(data, textStartIndex, encoding);
String text = new String(data, textStartIndex, textEndIndex - textStartIndex, charset);
if (textStartIndex < data.length) {
int textEndIndex = indexOfEos(data, textStartIndex, encoding);
text = new String(data, textStartIndex, textEndIndex - textStartIndex, charset);
} else {
text = "";
}
return new CommentFrame(language, description, text);
}
private static TextInformationFrame decodeTextInformationFrame(ParsableByteArray id3Data,
int frameSize, String id) throws UnsupportedEncodingException {
if (frameSize <= 1) {
// Frame is empty or contains only the text encoding byte.
return new TextInformationFrame(id, "");
}
int encoding = id3Data.readUnsignedByte();
String charset = getCharsetName(encoding);