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Commit 6e2eceac authored by Vojtech Moravec's avatar Vojtech Moravec
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Debugging the new huffman code.

parent 9beec742
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package cz.it4i.qcmp.cli.functions;
import cz.it4i.qcmp.cache.QuantizationCacheManager;
import cz.it4i.qcmp.cache.VQCacheFile;
import cz.it4i.qcmp.cli.CompressionOptionsCLIParser;
import cz.it4i.qcmp.cli.CustomFunctionBase;
import cz.it4i.qcmp.data.HyperStackDimensions;
import cz.it4i.qcmp.io.RawDataIO;
import cz.it4i.qcmp.io.loader.IPlaneLoader;
import cz.it4i.qcmp.io.loader.PlaneLoaderFactory;
import cz.it4i.qcmp.huffman.Huffman;
import cz.it4i.qcmp.huffman.HuffmanNode;
import cz.it4i.qcmp.io.InBitStream;
import cz.it4i.qcmp.io.OutBitStream;
import cz.it4i.qcmp.quantization.vector.VQCodebook;
import cz.it4i.qcmp.utilities.Utils;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
@SuppressWarnings("ConstantConditions")
public class DebugFunction extends CustomFunctionBase {
/**
* Base constructor with parsed CLI options.
......@@ -22,27 +28,38 @@ public class DebugFunction extends CustomFunctionBase {
@Override
public boolean run() {
final IPlaneLoader loader;
try {
loader = PlaneLoaderFactory.getPlaneLoaderForInputFile(options.getInputDataInfo());
} catch (final Exception e) {
e.printStackTrace();
return false;
}
final HyperStackDimensions dims = options.getInputDataInfo().getDimensions();
final int planeSize = Utils.multiplyExact(dims.getWidth(), dims.getHeight());
final int sliceSize = Utils.multiplyExact(planeSize, dims.getNumberOfTimepoints());
try {
final VQCodebook codebook = ((VQCacheFile) QuantizationCacheManager.readCacheFile("D:\\tmp\\codebook.qvc")).getCodebook();
for (int t = 12; t < 15; t++) {
final int[] symbols = new int[codebook.getCodebookSize()];
for (int i = 0; i < codebook.getCodebookSize(); i++) {
symbols[i] = i;
}
RawDataIO.write(String.format("slice_t%d.raw", t), loader.loadAllPlanesU16Data(t), false);
}
final Huffman huffman = new Huffman(symbols, codebook.getVectorFrequencies());
huffman.buildHuffmanTree();
final int bitsPerSymbol = (int) Utils.log2(codebook.getCodebookSize());
try (final OutBitStream bitStream = new OutBitStream(new FileOutputStream("D:\\tmp\\huffman_tree.data", false),
bitsPerSymbol,
64)) {
huffman.saveHuffmanTree(bitStream);
} catch (final IOException e) {
e.printStackTrace();
}
HuffmanNode readRoot = null;
try (final InBitStream inBitStream = new InBitStream(new FileInputStream("D:\\tmp\\huffman_tree.data"), bitsPerSymbol, 256)) {
readRoot = Huffman.readHuffmanTree(inBitStream);
} catch (final IOException ex) {
ex.printStackTrace();
}
final boolean equal = huffman.getRoot().treeEqual(readRoot);
System.out.println(readRoot != null);
return true;
}
}
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