public DecompressionStream(Stream stream, int bufferSize = 0)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
if (!stream.CanRead)
{
throw new ArgumentException("Stream is not readable", nameof(stream));
}
if (bufferSize < 0)
{
throw new ArgumentOutOfRangeException(nameof(bufferSize));
}
innerStream = stream;
decompressor = new Decompressor();
inputBufferSize = bufferSize > 0 ? bufferSize : (int)Methods.ZSTD_CStreamInSize().EnsureZstdSuccess();
inputBuffer = ArrayPool <byte> .Shared.Rent(inputBufferSize);
input = new ZSTD_inBuffer_s {
pos = (nuint)inputBufferSize, size = (nuint)inputBufferSize
};
}
protected override void Dispose(bool disposing)
{
if (decompressor == null)
{
return;
}
if (lastDecompressResult != 0)
{
throw new EndOfStreamException("Premature end of stream");
}
decompressor.Dispose();
decompressor = null;
ArrayPool <byte> .Shared.Return(inputBuffer);
}
