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Prevent IllegalStateException in Mp4 sniffing

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If a negative value is read, sniffing should just fail.

PiperOrigin-RevId: 227689568
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aquilescanta 2019-01-03 16:02:48 +00:00 committed by Oliver Woodman
parent 61a7750f23
commit 4847889a2f
1 changed files with 1 additions and 1 deletions
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2
library/core/src/main/java/com/google/android/exoplayer2/extractor/mp4/Sniffer.java
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@ -109,7 +109,7 @@ import java.io.IOException;
headerSize = Atom.LONG_HEADER_SIZE; headerSize = Atom.LONG_HEADER_SIZE;
input.peekFully(buffer.data, Atom.HEADER_SIZE, Atom.LONG_HEADER_SIZE - Atom.HEADER_SIZE); input.peekFully(buffer.data, Atom.HEADER_SIZE, Atom.LONG_HEADER_SIZE - Atom.HEADER_SIZE);
buffer.setLimit(Atom.LONG_HEADER_SIZE); buffer.setLimit(Atom.LONG_HEADER_SIZE);
atomSize = buffer.readUnsignedLongToLong(); atomSize = buffer.readLong();
} else if (atomSize == Atom.EXTENDS_TO_END_SIZE) { } else if (atomSize == Atom.EXTENDS_TO_END_SIZE) {
// The atom extends to the end of the file. // The atom extends to the end of the file.
long endPosition = input.getLength(); long endPosition = input.getLength();