public void ProcessBlockFromFile(int[] samplesIn)
{
if (WriteCallback == null)
{
throw new ArgumentNullException("WriteCallback", "Public Field WriteCallback must be set prior to using this method");
}
if (BitPermutationIndicesRemaining == 0)
{
BitPermutationIndices.Clear();
}
foreach (int sample in samplesIn)
{
if (BitPermutationIndicesRemaining <= 0)
{
AudioByteDataBitAssociation toAdd = new AudioByteDataBitAssociation(sample, 0);
toAdd.Modified = true;
AudioByteAssociations.AddLast(toAdd);
}
else
{
int generatedIndex = Rng.Next(BitPermutationIndicesRemaining);
var assoc = new AudioByteDataBitAssociation(sample, BitPermutationIndices[generatedIndex]);
AudioByteAssociations.AddLast(assoc);
HashedAssociations[assoc.BitPosition] = assoc;
IndicesUsed++;
int temp = BitPermutationIndices[generatedIndex];
BitPermutationIndices[generatedIndex] = BitPermutationIndices[BitPermutationIndicesRemaining];
BitPermutationIndices[BitPermutationIndicesRemaining] = temp;
}
ProcessedSamples++;
}
ReadInNecessaryData();
WriteModifiedAssociations(WriteCallback);
}
private void AudioFileWriteCallback(int[] samplesIn)
{
if (BitPermutationIndicesRemaining == 0)
{
BitPermutationIndices.Clear();
return;
}
foreach (int sample in samplesIn)
{
if (BitPermutationIndices.Count - IndicesUsed == 0)
{
continue;
}
int generatedIndex = Rng.Next(BitPermutationIndicesRemaining);
int bitPosition = BitPermutationIndices[generatedIndex];
IndicesUsed++;
int temp = BitPermutationIndices[generatedIndex];
BitPermutationIndices[generatedIndex] = BitPermutationIndices[BitPermutationIndicesRemaining];
BitPermutationIndices[BitPermutationIndicesRemaining] = temp;
HashedAssociations[bitPosition] = new DataFileByteBitAssociation(bitPosition, ExtractLSB(sample));
}
CheckAssociationsForConsecutivity();
}