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Code Issues Releases Wiki Activity

Do require minimum file size for libmediainfo calls to avoid libmediainfo crashing the JVM

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This commit is contained in:
Reinhard Pointner 2019-05-28 19:23:49 +07:00
parent d1a6301879
commit cc059609c6
1 changed files with 4 additions and 2 deletions
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6
source/net/filebot/mediainfo/MediaInfo.java
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@ -42,7 +42,7 @@ public class MediaInfo implements MediaCharacteristics {
} }
public synchronized MediaInfo open(File file) throws IOException, IllegalArgumentException { public synchronized MediaInfo open(File file) throws IOException, IllegalArgumentException {
if (!file.isFile()) { if (!file.isFile() || file.length() < BUFFER_SIZE) {
throw new IllegalArgumentException("Invalid media file: " + file); throw new IllegalArgumentException("Invalid media file: " + file);
} }
@ -77,7 +77,7 @@ public class MediaInfo implements MediaCharacteristics {
} }
private boolean openViaBuffer(RandomAccessFile f) throws IOException { private boolean openViaBuffer(RandomAccessFile f) throws IOException {
byte[] buffer = new byte[64 * 1024]; // use large buffer to reduce JNA calls byte[] buffer = new byte[BUFFER_SIZE]; // use large buffer to reduce JNA calls
int read = -1; int read = -1;
if (0 == MediaInfoLibrary.INSTANCE.Open_Buffer_Init(handle, f.length(), 0)) { if (0 == MediaInfoLibrary.INSTANCE.Open_Buffer_Init(handle, f.length(), 0)) {
@ -361,4 +361,6 @@ public class MediaInfo implements MediaCharacteristics {
} }
} }
private static final int BUFFER_SIZE = 64 * 1024;
} }