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Add a synchronized block to the WUD disc reading.

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Maschell 2018-12-06 16:06:57 +01:00
parent 78b51226aa
commit a16c1943c0
1 changed files with 24 additions and 22 deletions
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46
src/de/mas/wiiu/jnus/implementations/wud/reader/WUDDiscReaderCompressed.java
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@ -58,31 +58,33 @@ public class WUDDiscReaderCompressed extends WUDDiscReader {
byte[] buffer = new byte[bufferSize]; byte[] buffer = new byte[bufferSize];
RandomAccessFile input = getRandomAccessFileStream(); RandomAccessFile input = getRandomAccessFileStream();
while (usedSize > 0) { synchronized (input) {
long sectorOffset = (usedOffset % info.getSectorSize()); while (usedSize > 0) {
long remainingSectorBytes = info.getSectorSize() - sectorOffset; long sectorOffset = (usedOffset % info.getSectorSize());
long sectorIndex = (usedOffset / info.getSectorSize()); long remainingSectorBytes = info.getSectorSize() - sectorOffset;
int bytesToRead = (int) ((remainingSectorBytes < usedSize) ? remainingSectorBytes : usedSize); // read only up to the end of the current sector long sectorIndex = (usedOffset / info.getSectorSize());
// look up real sector index int bytesToRead = (int) ((remainingSectorBytes < usedSize) ? remainingSectorBytes : usedSize); // read only up to the end of the current sector
long realSectorIndex = info.getSectorIndex((int) sectorIndex); // look up real sector index
long offset2 = info.getOffsetSectorArray() + realSectorIndex * info.getSectorSize() + sectorOffset; long realSectorIndex = info.getSectorIndex((int) sectorIndex);
long offset2 = info.getOffsetSectorArray() + realSectorIndex * info.getSectorSize() + sectorOffset;
input.seek(offset2); input.seek(offset2);
int read = input.read(buffer); int read = input.read(buffer);
if (read < 0) return; if (read < 0) return;
try { try {
out.write(Arrays.copyOfRange(buffer, 0, bytesToRead)); out.write(Arrays.copyOfRange(buffer, 0, bytesToRead));
} catch (IOException e) { } catch (IOException e) {
if (e.getMessage().equals("Pipe closed")) { if (e.getMessage().equals("Pipe closed")) {
break; break;
} else { } else {
throw e; throw e;
}
} }
}
usedSize -= bytesToRead; usedSize -= bytesToRead;
usedOffset += bytesToRead; usedOffset += bytesToRead;
}
input.close();
} }
input.close();
} }
} }