public override void Write(FlacStream stream, int blockSize, ref uint[] samples)
{
// only one partition
partitionOrder_ = 0;
blockSize_ = blockSize;
stream.Writer.WriteBits(partitionOrder_, PARTITION_ORDER_BITS_COUNT);
int currentSubframeSample = predictorOrder_;
RicePartition p = new RicePartition();
p.EncodingParameter = 0;
p.Write(stream, GetSampleCount(blockSize_, predictorOrder_, partitionOrder_, true), ref currentSubframeSample, ref samples);
}
public override void Read(FlacStream stream, int frameBlockSize, int predictorOrder, ref uint[] samples)
{
partitionOrder_ = stream.Reader.ReadBitsAsSByte(PARTITION_ORDER_BITS_COUNT);
predictorOrder_ = predictorOrder;
blockSize_ = frameBlockSize;
int partitionCount = 1 << partitionOrder_; // 2 ^ order
Validation.IsValid(partitionCount >= 1);
int currentSubframeSample = predictorOrder;
int sampleCount0 = GetSampleCount(frameBlockSize, predictorOrder, partitionOrder_, true);
int sampleCount1 = GetSampleCount(frameBlockSize, predictorOrder, partitionOrder_, false);
while (partitions_.Count < partitionCount)
{
int count = partitions_.Count == 0 ? sampleCount0 : sampleCount1;
RicePartition partition = new RicePartition();
partition.Read(stream, count, ref currentSubframeSample, ref samples);
partitions_.Add(partition);
}
}
