zstd

type DecoderConfig struct {
	// MemoryLimitMiB is a memory limit control for the decoder,
	// as a way to limit overall memory use by Zstd.
	// See `zstdlib.WithDecoderMaxMemory()`.
	MemoryLimitMiB uint32 `mapstructure:"memory_limit_mib"`
	// MaxWindowSizeMiB limits window sizes that can be configured
	// in the corresponding encoder's `EncoderConfig.WindowSizeMiB`
	// setting, as a way to control memory usage.
	// See `zstdlib.WithDecoderMaxWindow()`.
	MaxWindowSizeMiB uint32 `mapstructure:"max_window_size_mib"`
	// Concurrency is a Zstd-library parameter that configures the
	// use of background goroutines to improve decompression speed.
	// 0 means to let the library decide (it will use up to GOMAXPROCS),
	// and 1 means to avoid background workers.  (default: 1)
	// See `zstdlib.WithDecoderConcurrency()`.
	Concurrency uint `mapstructure:"concurrency"`
}

type EncoderConfig struct {
	// Level is meaningful in the range [0, 10].  No invalid
	// values, they all map into 4 default configurations.  (default: 5)
	// See `zstdlib.WithEncoderLevel()`.
	Level Level `mapstructure:"level"`
	// WindowSizeMiB is a Zstd-library parameter that controls how
	// much window of text is visible to the compressor at a time.
	// It is the dominant factor that determines memory usage.
	// If zero, the window size is determined by level.  (default: 0)
	// See `zstdlib.WithWindowSize()`.
	WindowSizeMiB uint32 `mapstructure:"window_size_mib"`
	// Concurrency is a Zstd-library parameter that configures the
	// use of background goroutines to improve compression speed.
	// 0 means to let the library decide (it will use up to GOMAXPROCS),
	// and 1 means to avoid background workers.  (default: 1)
	// See `zstdlib.WithEncoderConcurrency()`.
	Concurrency uint `mapstructure:"concurrency"`
}

type Gen time.Time

type Level uint