/// <summary>
/// Calculate approximate decoder memory usage of a preset
/// </summary>
/// <returns>
/// Number of bytes of memory required to decompress a file that was compressed using the given preset.
/// If an error occurs, for example due to unsupported preset, UINT64_MAX is returned.
/// </returns>
public static ulong DecoderMemUsage(LzmaCompLevel level, bool extremeFlag)
{
Manager.EnsureLoaded();
uint preset = XZCompressOptions.ToPreset(level, extremeFlag);
return(Lib.LzmaEasyDecoderMemUsage(preset));
}
/// <summary>
/// Calculate approximate memory usage of multithreaded .xz encoder
/// </summary>
/// <returns>
/// Number of bytes of memory required for encoding with the given options.
/// If an error occurs, for example due to unsupported preset or filter chain, UINT64_MAX is returned.
/// </returns>
public static ulong EncoderMultiMemUsage(LzmaCompLevel level, bool extremeFlag, int threads)
{
Manager.EnsureLoaded();
uint preset = XZCompressOptions.ToPreset(level, extremeFlag);
LzmaMt mtOpts = LzmaMt.Create(preset, threads);
return(Lib.LzmaStreamEncoderMtMemUsage(mtOpts));
}
